Association between exposure to high arsenic content and gallbladder cancer is scanty. Few reports suggest that the incidence of gallbladder cancer is high along the Indo-Gangetic belt. Inflammation, which is a causative factor for gallbladder carcinoma can be induced by arsenic. Prognosis of gallbladder cancer is poor. Therefore, it is worthwhile to find a correlation between arsenic exposure and its incidence to identify a population who are at high risk category.
Risk Stratification in Stage II Colon Cancer PatientsRamzi Amri
Objective: AJCC Stage II colon cancer patients form a group where the choice to either undergo or forego adjuvant chemotherapy is far from evident and often remains controversial. This study analyzes several pathological characteristics in order to assess their predictive value for outcomes in stage II colon cancer.
Design: Retrospective review of a prospectively maintained, IRB-approved data repository.
Setting: Tertiary care center.
Patients: A series of 313 consecutive stage II patients treated surgically for colon cancer at our center (2004-2011) were included.
Main outcome measures: Mortality, disease-specific mortality and metastasis, including multivariable Cox regression adjusted for stage subdivisions (II-A/II-B/II-C) and potential confounders.
Results: Colon cancer-specific mortality was substage-independently increased in patients with baseline carcinoembryonic antigen (CEA) >5ng/L (HR=2.97;P=0.041), large vessel invasion (HR=3.93; P=0.002) and perineural invasion (HR=3.67; P=0.004). Overall mortality adjusted for substage, age and comorbidity was also significantly higher in patients with high-grade disease (HR=2.73; P<0.001)><0.001).>5ng/L (HR=2.37; P=0.046), large vessel invasion (HR=2.80; P=0.002), perineural invasion (HR=2.57; P=0.010), and extramural vascular invasion (EMVI) (HR=2.83; P=0.002). The number of high-risk features (0,1,2-3,4+) was associated with a clearly incremental increase in disease-specific mortality (P=0.008) and recurrence (P<0.001).>5ng/L, large vessel invasion, perineural invasion and EMVI are all independent risk factors for recurrence and disease-specific mortality in Stage II colon cancer patients. The number of factors present form risk strata that should be weighed heavily in decisions regarding adjuvant treatment.
Adjuvant therapy protocols for liver cancer in patients undergoing liver tran...hr77
Many patients undergo liver transplantation for a liver cancer in a setting of liver cirrhosis. When is it possible to consider chemotherapy in such patients? Is it even possible? Is there a role?
From famous actors like Patrick Swayze to America's first woman in space, Sally Ride, the survival rates for pancreatic cancer summarizes grim tales. To date, the overall 5-year-survival rate is 6.7%. Here, I present some of the latest information in the field.
Risk Stratification in Stage II Colon Cancer PatientsRamzi Amri
Objective: AJCC Stage II colon cancer patients form a group where the choice to either undergo or forego adjuvant chemotherapy is far from evident and often remains controversial. This study analyzes several pathological characteristics in order to assess their predictive value for outcomes in stage II colon cancer.
Design: Retrospective review of a prospectively maintained, IRB-approved data repository.
Setting: Tertiary care center.
Patients: A series of 313 consecutive stage II patients treated surgically for colon cancer at our center (2004-2011) were included.
Main outcome measures: Mortality, disease-specific mortality and metastasis, including multivariable Cox regression adjusted for stage subdivisions (II-A/II-B/II-C) and potential confounders.
Results: Colon cancer-specific mortality was substage-independently increased in patients with baseline carcinoembryonic antigen (CEA) >5ng/L (HR=2.97;P=0.041), large vessel invasion (HR=3.93; P=0.002) and perineural invasion (HR=3.67; P=0.004). Overall mortality adjusted for substage, age and comorbidity was also significantly higher in patients with high-grade disease (HR=2.73; P<0.001)><0.001).>5ng/L (HR=2.37; P=0.046), large vessel invasion (HR=2.80; P=0.002), perineural invasion (HR=2.57; P=0.010), and extramural vascular invasion (EMVI) (HR=2.83; P=0.002). The number of high-risk features (0,1,2-3,4+) was associated with a clearly incremental increase in disease-specific mortality (P=0.008) and recurrence (P<0.001).>5ng/L, large vessel invasion, perineural invasion and EMVI are all independent risk factors for recurrence and disease-specific mortality in Stage II colon cancer patients. The number of factors present form risk strata that should be weighed heavily in decisions regarding adjuvant treatment.
Adjuvant therapy protocols for liver cancer in patients undergoing liver tran...hr77
Many patients undergo liver transplantation for a liver cancer in a setting of liver cirrhosis. When is it possible to consider chemotherapy in such patients? Is it even possible? Is there a role?
From famous actors like Patrick Swayze to America's first woman in space, Sally Ride, the survival rates for pancreatic cancer summarizes grim tales. To date, the overall 5-year-survival rate is 6.7%. Here, I present some of the latest information in the field.
Radiotherapy in hepatocellular carcinomasPratap Tiwari
External Radiotherapy in hepatocellular carcinomas (HCC). A brief summary of the guidelines statements on radiotherapy role in hepatocellular carcinoma (hcc).
Colorectal cancer is one of the leading causes of death in the United States. Recent advances of understandings in anatomical patterns and molecular mechanisms may bring better therapeutical options and treatment plan. This article reviews the different outcomes of colorectal cancer associated with anatomical pattern: left-sided or right-sided; and the recently discoveries of colorectal cancer related miRNA.
Pancreatic cancer - But the visionary digital leader had been battling pancreatic cancer since 2004. Pancreatic cancer is one of the faster spreading cancers; only about 4% of patients can expect to survive five years after their diagnosis. Each year, about 44000 new ...
Abstract
OBJECTIVE: Complete surgical resection is the only potentially curative treatment of localized pancreatic neuroendocrine tumors. Unfortunately, a significant proportion of these patients present with unresectable locally advanced tumors or massive metastatic disease. Recently, a new therapeutic approach for this subset of patients has emerged consisting of neoadjuvant therapy followed by surgical exploration in responders.
DESIGN: We searched MEDLINE for the purpose of identifying reports regarding neoadjuvant treatment modalities for advanced pancreatic neuroendocrine tumors.
RESULTS: We identified 12 studies, the vast majority of which were either case reports or small case series. Treatment options included chemotherapy, radiotherapy, peptide receptor radionuclide therapy, biological agents or various combina- tions of them.
CONCLUSIONS: Increasing evidence supports the application of neoadjuvant protocols in advanced pancreatic neuroendocrine tumors aiming at tumor downsizing, thus rendering curative resection feasible. Given that prospective and controlled randomized clini- cal trials from high-volume institutions are not feasible, expert panel consensus is needed to define the optimal treatment algorithm.
HCC Clinical update and hints from AASLD 2017 guidelines mainly about surveillance, diagnosis and treatment of Hepatocellular carcinoma in different stages.
Il colangiocarcinoma: Presentazione Clinica, Diagnosi e Trattamento - Gastrol...Gastrolearning
Gastrolearning II modulo/8a lezione
Il colangiocarcinoma: Presentazione Clinica, Diagnosi e Trattamento
Prof. D. Alvaro - Università di Roma La Sapienza
IMMUNOHISTOCHEMICAL ALTERATIONS IN HEPATOCELLULAR CARCINOMA PATIENTS TREATED ...Jing Zang
Hepatocellular carcinoma (HCC) is one of the most common cancers worldwide. Doxorubicin (Dox) is an anthracycline antibiotic used as a single chemotherapeutic agent for HCC. The present work was conducted to study the immunohistochemical alterations in HCC patients treated with Dox. Thirty cases (24 males and 6 female) with a confirmed diagnosis of hepatocellular carcinoma (HCC) were used. They were divided into 3 groups, group 1. Ten specimens of HCC were taken before Dox treatments, group 2.Ten specimens HCC patients were taken one week after Dox treatment and group 3.Ten specimens of HCC patients were taken two weeks after Dox treatment. Hepatic biopsies were obtained from the three groups and prepared for histological, immunohistochemical (p53, Bcl-2 and CD34) and molecular studies. Histological examination of the specimen of HCC patients, before and after Dox treatment, showed trabecular appeareance, cytoplasmic vacuolation of the hepatocytes, fatty degeneration and necrosis. Cirrhosis appeared in 40% of the patients before treatment and 40% and 30% after one week and 2 weeks of treatment, respectively. Imunohistochemical results revealed an increase in expression of p53, CD34 and Bcl-2 in HCC patients. Overexpression of p53, decrease of Bcl-2 and mild degree of expression of CD34 was recorded in patients treated with Dox. Significant increase in DNA fragmentation was recorded in HCC patients treated by Dox in comparison with untreated HCC.
Radiotherapy in hepatocellular carcinomasPratap Tiwari
External Radiotherapy in hepatocellular carcinomas (HCC). A brief summary of the guidelines statements on radiotherapy role in hepatocellular carcinoma (hcc).
Colorectal cancer is one of the leading causes of death in the United States. Recent advances of understandings in anatomical patterns and molecular mechanisms may bring better therapeutical options and treatment plan. This article reviews the different outcomes of colorectal cancer associated with anatomical pattern: left-sided or right-sided; and the recently discoveries of colorectal cancer related miRNA.
Pancreatic cancer - But the visionary digital leader had been battling pancreatic cancer since 2004. Pancreatic cancer is one of the faster spreading cancers; only about 4% of patients can expect to survive five years after their diagnosis. Each year, about 44000 new ...
Abstract
OBJECTIVE: Complete surgical resection is the only potentially curative treatment of localized pancreatic neuroendocrine tumors. Unfortunately, a significant proportion of these patients present with unresectable locally advanced tumors or massive metastatic disease. Recently, a new therapeutic approach for this subset of patients has emerged consisting of neoadjuvant therapy followed by surgical exploration in responders.
DESIGN: We searched MEDLINE for the purpose of identifying reports regarding neoadjuvant treatment modalities for advanced pancreatic neuroendocrine tumors.
RESULTS: We identified 12 studies, the vast majority of which were either case reports or small case series. Treatment options included chemotherapy, radiotherapy, peptide receptor radionuclide therapy, biological agents or various combina- tions of them.
CONCLUSIONS: Increasing evidence supports the application of neoadjuvant protocols in advanced pancreatic neuroendocrine tumors aiming at tumor downsizing, thus rendering curative resection feasible. Given that prospective and controlled randomized clini- cal trials from high-volume institutions are not feasible, expert panel consensus is needed to define the optimal treatment algorithm.
HCC Clinical update and hints from AASLD 2017 guidelines mainly about surveillance, diagnosis and treatment of Hepatocellular carcinoma in different stages.
Il colangiocarcinoma: Presentazione Clinica, Diagnosi e Trattamento - Gastrol...Gastrolearning
Gastrolearning II modulo/8a lezione
Il colangiocarcinoma: Presentazione Clinica, Diagnosi e Trattamento
Prof. D. Alvaro - Università di Roma La Sapienza
IMMUNOHISTOCHEMICAL ALTERATIONS IN HEPATOCELLULAR CARCINOMA PATIENTS TREATED ...Jing Zang
Hepatocellular carcinoma (HCC) is one of the most common cancers worldwide. Doxorubicin (Dox) is an anthracycline antibiotic used as a single chemotherapeutic agent for HCC. The present work was conducted to study the immunohistochemical alterations in HCC patients treated with Dox. Thirty cases (24 males and 6 female) with a confirmed diagnosis of hepatocellular carcinoma (HCC) were used. They were divided into 3 groups, group 1. Ten specimens of HCC were taken before Dox treatments, group 2.Ten specimens HCC patients were taken one week after Dox treatment and group 3.Ten specimens of HCC patients were taken two weeks after Dox treatment. Hepatic biopsies were obtained from the three groups and prepared for histological, immunohistochemical (p53, Bcl-2 and CD34) and molecular studies. Histological examination of the specimen of HCC patients, before and after Dox treatment, showed trabecular appeareance, cytoplasmic vacuolation of the hepatocytes, fatty degeneration and necrosis. Cirrhosis appeared in 40% of the patients before treatment and 40% and 30% after one week and 2 weeks of treatment, respectively. Imunohistochemical results revealed an increase in expression of p53, CD34 and Bcl-2 in HCC patients. Overexpression of p53, decrease of Bcl-2 and mild degree of expression of CD34 was recorded in patients treated with Dox. Significant increase in DNA fragmentation was recorded in HCC patients treated by Dox in comparison with untreated HCC.
Effects of Current Chemotherapy Drugs and Natural Agents in Treating Non-Smal...ijtsrd
The fact that lung cancer is the most common cancer to cause death makes it a desirable condition for study and potential improvement of therapeutic treatment choices. Lung cancer is frequently treated with surgery, radiation, chemotherapy, targeted therapies, and immunotherapy alone or in combination. Chemotherapy based regimens appear to have achieved a therapeutic plateau, yet these treatment modalities may have varied side effects. As a result, this problem needs to be addressed and hopefully resolved with the help of efficient, better tolerated medicines. Recent developments have made it possible for biologists to more thoroughly explore the potential application of natural chemicals for the control or therapy of many malignant conditions. Natural compounds have been the foundation of chemotherapy for the past 30 years. However, only a small number of substances have been studied in cancer patients, and there is only scant information about their clinical efficacy. Here, we evaluate the evidence for the therapeutic benefits of natural substances such as Wortmannin and Roscovitine, Cordyceps militaris, Resveratrol, OSU03013, Myricetin, Berberine, and Antroquinonol and current chemotherapy medicines, including those against non small cell lung cancer. We suggest using these medicines in combination with chemotherapeutic treatments for patients with advanced and or refractory solid tumours based on the literature review. Vaibhav Vikas Sarkate | Miss Puja Vikas Sarkate | Miss Jayshri S. Sanap "Effects of Current Chemotherapy Drugs and Natural Agents in Treating Non-Small Cell Lung Cancer" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-7 | Issue-1 , February 2023, URL: https://www.ijtsrd.com/papers/ijtsrd52646.pdf Paper URL: https://www.ijtsrd.com/pharmacy/pharmacognosy-/52646/effects-of-current-chemotherapy-drugs-and-natural-agents-in-treating-non-small-cell-lung-cancer/vaibhav-vikas-sarkate
Natural Compounds as Adjuncts for Treating Colon Cancer through Apoptotic Pat...ijtsrd
Cancer is one of the deadliest diseases which is caused when abnormal cells divide uncontrollably and destroy body tissue. Colorectal cancer CRC , also known as colon cancer, is one of the most common type of cancers in humans is closely linked to the global cancer – related mortalities worldwide. The ongoing clinical treatment for colorectal cancer or colon cancer largely engages surgery and chemotherapy. But as there are many side effects and due to emergence of drug resistance, it has become very necessary to find novel and more effectual drugs for colon cancer treatment. Chemo prevention, a novel method for controlling cancer encompasses the use of specific natural products or synthetic chemical agents to reverse, suppress or prevent premalignancy before the development of invasive cancer. Many studies have signified that various natural products have efficacious anti CRC effects and may be used as substitutional chemotherapy agents for CRC therapy. Various natural compounds have been shown to be promising on the basis of their anti cancerous effects and low toxicity. In this review we summarise the natural compounds having anti CRC effects from distinct sources. This review suggest that they provide a novel opportunity for treatment of colon cancer. Sarita Negi | Nikita Kaushik | Runjhun Mathur | Abhimanyu Kumar Jha "Natural Compounds as Adjuncts for Treating Colon Cancer through Apoptotic Pathway" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-5 | Issue-4 , June 2021, URL: https://www.ijtsrd.compapers/ijtsrd42387.pdf Paper URL: https://www.ijtsrd.compharmacy/biotechnology-/42387/natural-compounds-as-adjuncts-for-treating-colon-cancer-through-apoptotic-pathway/sarita-negi
The first statistical analysis of stomach cancer incidence and mortality was in Italy, in the 18s century. Stomach cancer remains one of the leadings causes of cancer incidence and mortality globally.
Ultrasound Technology as a Novel Treatment Strategy in Pancreatic Cancer_Crim...CrimsonpublishersCancer
Adenocarcinoma of the pancreas (PDAC) accounts for 2.4% of all cancers diagnosed and is the fourth leading cause of cancer death, with almost equal rates of incidence and mortality [1]. By 2030, pancreatic cancer is projected to be the second leading cause of cancer-related death [2], surpassing breast, prostate and colorectal cancer. The overall survival at 5 years of around 7.2% as the majority of patients present with advanced disease at diagnosis. Patients with localized disease are treated with surgery, with or without neoadjuvant chemotherapy/ radiotherapy, followed by adjuvant chemotherapy. The majority (around 80%) of patients are treated only with chemotherapy as they have an advanced disease. Patients are treated in the first line with gemcitabine-abraxane or Folfirinox and with Naliri plus 5FU in the second line. There have been few clinical advances in PDAC treatment over the last 20 years and chemotherapy is the only treatment option available for the majority of patients. These tumours are also resistant to many targeted therapies such as anti-EGFR therapy like cetuximab [3] due to the presence of a KRAS mutation in the majority of primary tumors. Personalized medicine strategies have not yet been established in pancreatic cancer as in other more common tumour types. Thus, novel anti-tumour strategies are an important clinical need in order to improve survival rates.
Alterations of Gut Microbiota From Colorectal Adenoma to CarcinomaJohnJulie1
Gut microbiota has been implicated as a critical role in the development of colorectal cancer (CRC) and colorectal adenoma (CRA). However, few basic research has revealed the association between gut microbiota and the development of CRA and CRC. We aim to compare the diversity and composition of intestinal flora in CRA and CRC patients, to reveal the changes of intestinal microorganism in the evolution of normal intestinal mucosa-CRA-CRC axis, and to explore potential biomarkers.
Alterations of Gut Microbiota From Colorectal Adenoma to CarcinomaNainaAnon
Gut microbiota has been implicated as a critical role in the development of colorectal cancer (CRC) and colorectal adenoma (CRA). However, few basic research has revealed the association between gut microbiota and the development of CRA and CRC. We aim to compare the diversity and composition of intestinal flora in CRA and CRC patients, to reveal the changes of intestinal microorganism in the evolution of normal intestinal mucosa-CRA-CRC axis, and to explore potential biomarkers. We analysed colorectal tissues (11 CRC, 11 CRA and 11 healthy volunteers (HC). Using 16S rRNA sequencing analysis to compare the gut microbiome of patients with CRC, CRA and HC. The microbial diversity including alpha diversity, beta diversity and identified the microbial compositions among the three groups were characterized. Intestinal microbial composition and diversity were significantly decreased in the CRA group, whereas those were obviously increased in the CRC group. The fourth most predominant microbial compositions in the three groups were Proteobacteria, Firmicutes, Actinobacteria and Bacteroidetes at the phylum level. Moreover, the relative abundance of Fusobacteria at the phylum level behaved a general trend of decreasing in CRA group first and then increasing in CRC group. When exploring the Fusobacteria abundance in MetaCyc database signaling in different groups, it was indicated that Fusobacteria was also higher in CRC than CRA especially in the ICME2-PWY, Cobalsyn-PWY and Anaglycolysi signal pathways. Taken together, the observed intestinal microbial difference among the three groups provides a basis for understanding the potential role of intestinal microorganism in the evolution of normal intestinal mucosa-CRA-CRC axis.
Alterations of Gut Microbiota From Colorectal Adenoma to Carcinomaeshaasini
Gut microbiota has been implicated as a critical role in the development of colorectal cancer (CRC) and colorectal adenoma (CRA). However, few basic research has revealed the association between gut microbiota and the development of CRA and CRC. We aim to compare the diversity and composition of intestinal flora in CRA and CRC patients, to reveal the changes of intestinal microorganism in the evolution of normal intestinal mucosa-CRA-CRC axis, and to explore potential biomarkers
Alterations of Gut Microbiota From Colorectal Adenoma to Carcinomasemualkaira
Gut microbiota has been implicated as a critical role in the development of colorectal cancer (CRC) and colorectal adenoma (CRA). However, few basic research has revealed the association between gut microbiota and the development of CRA and CRC. We aim to compare the diversity and composition of intestinal flora in CRA and CRC patients, to reveal the changes of intestinal microorganism in the evolution of normal intestinal mucosa-CRA-CRC axis, and to explore potential biomarkers. We analysed colorectal tissues (11 CRC, 11 CRA and 11 healthy volunteers (HC).
Alterations of Gut Microbiota From Colorectal Adenoma to Carcinomasemualkaira
Gut microbiota has been implicated as a critical role in the development of colorectal cancer (CRC) and colorectal adenoma (CRA). However, few basic research has revealed the association between gut microbiota and the development of CRA and CRC. We aim to compare the diversity and composition of intestinal flora in CRA and CRC patients, to reveal the changes of intestinal microorganism in the evolution of normal intestinal mucosa-CRA-CRC axis, and to explore potential biomarkers. We analysed colorectal tissues (11 CRC, 11 CRA and 11 healthy volunteers (HC).
Alterations of Gut Microbiota From Colorectal Adenoma to Carcinomadaranisaha
Gut microbiota has been implicated as a critical role in the development of colorectal cancer (CRC) and colorectal adenoma (CRA). However, few basic research has revealed the association between gut microbiota and the development of CRA and CRC. We aim to compare the diversity and composition of intestinal flora in CRA and CRC patients, to reveal the changes of intestinal microorganism in the evolution of normal intestinal mucosa-CRA-CRC axis, and to explore potential biomarkers. We analysed colorectal tissues (11 CRC, 11 CRA and 11 healthy volunteers (HC)
The Role of Cyclin-Dependent Kinases on the Metastasis of Breast Cancer-Crims...CrimsonpublishersCancer
Cyclin-Dependent kinases (CDKs) function in mitosis by allowing the cycle to progress from one stage to another due to their properties as a family of protein kinases. Because of this function, abnormalities with CDKs can lead to uncontrolled cell division, leading to diseases such as cancer. Breast cancer is one form of cancer in which CDKs are a prevalent area of study. The role CDKs play in controlling and coordinating cell division makes it an important process to understand in breast cancer and, specifically, the metastasis of breast cancer. Lack of controlled CDK function could allow the cancer to spread to other parts of the body, leading to metastasis. Inhibiting CDK activity is an area of interest in searching for ways to treat breast cancer, especially once it has spread to the point where tumors cannot be surgically removed. Investigating these pathways and the effects of CDK inhibition on breast cancer cells has revealed much on the reestablishment of cell cycle control, which consequently leads to control of the cancer. This could be an effective form of non-localized treatment against metastatic cancer that is able to target specific cells throughout the body.
Methods, Challenges and Future Directions of Radiogenomics-Crimson PublishersCrimsonpublishersCancer
Tissue response to the radiation is a complex pathophysiological process and is an inherited polygenic trait. Aim of the Radiogenomics studies is to discover related genetic variants that confer tumor or nontumor tissue radio sensitivity as the target of radio-sensitizing and/or radio-protective agents and to identify specific genetic markers for prognosis or risk prediction. The methods for radiogenomics studies include candidate gene approaches, genome-wide association studies, Next-Generation Sequencing (NGS), epigenetic study, and other methods. The future direction of radiogenomics should be the development of the polygenic risk scores that are incorporated into end point-specific clinical models/nomograms.
Versatility of Amantadine and Rimantadine for Detection of Cancer_Crimson Pub...CrimsonpublishersCancer
Globally, an estimated 9.6 million people died from different types of cancer in 2017; in other words, every sixth death in the world was due to cancer, second only to cardiovascular diseases. The total number of cancer deaths continues to increase. In fact, by 2030, the global burden of cancer is expected to be 21.7 million new cases and 13 million cancer deaths [1]. On Feb 4 2020, the World Health Organization (WHO) stated the need to step up cancer services in low and middle-income countries. WHO warned that, if current trends continue, the world will see a 60% increase in cancer cases over the next two decades. The greatest increase (an estimated 81%) in new cases will occur in low- and middle-income countries, where survival rates are currently the lowest [2]. Early detection and diagnosis of cancer can lead to timely therapeutic/surgical interventions that can increase the chances of survival.
A Novel Eclectic Approach for Cancer Therapy with Liquid Knife & Immuno Thera...CrimsonpublishersCancer
Recent years cancer immunological therapy is getting very popular and many new drug have been approved by FDA like PD1 and PDl-1, however, in clinical practice of cancer treatment, it looks very limited efficacy for advanced cancer, so that physician started to use comprehensive plan by combination chemotherapy with PD1 as a novel strategy with a better clinical benefit. Since chemotherapy and radiation therapy always produce the side effect like loss hair, vomit and neutropenia, and surgery is limited for many later stages of cancers, also surgery damages body shapes with functions, esophageal cancer was removed with reconstruction and put stomach into chest and stomach never has normal function; a lot of cases showed surgery can’t be performed because tumor location in special site, like tumor location in posterior vaginal wall or vaginal carnal, surgery just is not allowed to do the procedure, if remove the tumor in these location, it will make a hole to connect to the rectal. Because of the extremely toxic side effects, many cancer patients cannot be successfully completed a surgery or a complete course of chemotherapy or radiation therapy, and some cases even die from the side effects of surgery or chemotherapy or radiation therapy due to a patient’s poor tolerance.
Critical Remarks to Endoscopic Surgery for Endometrial Cancer and Sarcoma, Ce...CrimsonpublishersCancer
While endoscopic gynecological surgery as laparoscopy and hysteroscopy in all its variations of skills, like with single port entry, multiple port entry, conventional or robotically assisted has been universally completely accepted by the medical and patient community this is not at all yet a reality in oncological indications [1]. The article reviews the reality reality of Endoscopic surgery and its application in Gynecological Malignancy diagnosis and treatment focusing endometrial sarcoma, cervical and ovarian cancer.
The Hedgehog (Hh) signal transduction pathway is involved in diverse physiological processes such as cell survival, proliferation, differentiation, embryonic development, and fetal determination. Perturbations in this pathway leading to its aberrant activation have been implicated in various cancers including acute myeloid leukemia (AML). AML is a highly complex hematological malignancy resulting due to accumulation of abnormal myeloblasts in the bone marrow leading to bone marrow failure and ultimately death. Recently, the role of hedgehog signaling in AML pathogenesis has been uncovered and thus pharmacological targeting of the hedgehog pathway in AML has become a prime therapeutic option. In this mini-review, we highlight the role of the hedgehog pathway in AML and review the latest drugs as well as possible Hh targets in treating AML.
Herbal Medicine for Cancer Treatment: Main Force or Supplement_Crimson Publis...CrimsonpublishersCancer
The Estimated numbers of new cancer cases and deaths in 2020 will be an estimated. 1.8 million new cancer cases diagnosed and 606,520 cancer deaths in the United States and there were 17 million new cases of cancer worldwide in 2018 [1]. The four most common cancers occurring worldwide are lung, female breast, bowel and prostate. A person’s risk of developing cancer depends on different factors, including age, genetics, and exposure to some potentially known carcinogens and those which are believed to be carcinogenic. Some avoidable lifestyle factors including smoking can increase cancer risk. However, cancer risk factors are similar worldwide. Insufficient exercise, alcohol, imbalanced diet, and obesity, and various infections account for a considerable proportion of cancers worldwide. Prevalence of any one of the risk factors varies in different ethnic groups and can vary by region and country, which contributes to variation of cancer incidence rates of the common types of cancer worldwide.
Treatment of Brain Metastases Using the Current Predictive Models: Is the Pro...CrimsonpublishersCancer
Brain metastases from solid tumours are the most common intracranial tumours [1] and it occur in 40% of patients with cancer [2]. The most common primary tumours that metastasize to the brain are lung(40%),breast (25%) and melanoma (20%) [3]. The incidence is expected to be on the increase, due to improved survival, with use of modern cytotoxic drugs, targeted therapy, immunotherapy and modern radiotherapy techniques, in addition to greater use of magnetic resonance imaging of the brain. Brain metastases are common in the elderly, defined as above 60 years [4], and the interval between diagnosis of the primary and the development of brain metastases is variable, however some reported an average of 19 months [5] and adenocarcinoma is the commonest histology that metastasizes to the brain [6].
Oxidative stress has increasingly been considered a factor in numerous diseases and cancers because of its extensive presence throughout the body. Reactive Oxygen Species (ROS), generated continuously from oxidative phosphorylation and received from various exogenous sources, are constantly used as a key molecule for signal transduction, but under conditions of oxidative stress, when they can no longer be suppressed, they have the potential to damage the cell’s DNA. In many cases, repair mechanisms mitigate the damage, and if the damage becomes irreparable, then the cell will undergo apoptosis. In rare cases, though, DNA can get damaged to a point where the cell becomes cancerous and can eventually form a tumor. While ROS often take a significant amount of time to accumulate, once they have done so and are unable to be suppressed by cellular countermeasures, it is very likely for DNA damage to occur, and in cancerous cells, they actually enhance rapid proliferation, chronic inflammation, metastasis, and angiogenesis. This is why it is necessary to boost or introduce cellular countermeasures to mitigate the dangers of ROS. Current research on oxidative stress is mainly focusing on the benefits of antioxidants, which are commonly used by the cell to reduce ROS, and triggering apoptosis in tumors through enhanced oxidative stress conditions. This review will discuss the role of oxidative stress in tumorigenesis and cancer proliferation as well as the possible treatments, especially antioxidants and ROS-inducing drugs.
Cholangiocarcinoma occur in cholangiocytes, either in the intrahepatic, peri-hilar or distal bile duct locations. The three, command distinct attention due to difference in presentation and management. The current 5 years survival for localized intrahepatic cholangiocarcinoma is estimated to be at 24%. With the advent of molecular diagnostics and targeted therapy the field has seen some changes. Surgical resection is still the mainstay of therapy, although transplantation has been proposed in selected patients that have shown disease stability. Localized therapy for intra-hepatic and hilar tumors with neoadjuvant chemotherapy has also been used with some success for smaller tumors.
The Immunosuppressive Significance of Lactate Dehydrogenase (LDH) Blood Level...CrimsonpublishersCancer
In addition to the well-known negative prognostic significance of the abnormally high blood levels of lactate dehydrogenase LDH in most neoplasms, more recently it has been shown that the evidence of abnormally low values of lymphocyte-to-monocyte ratio (LMR) may also predict a poor prognosis in human tumors. On these bases, a preliminary study was carried out to evaluate which relationship may occur between LMR and LDH levels in metastatic cancer patients. The study included 100 metastatic solid tumor patients. Breast, lung and gastrointestinal tract tumors were the neoplasms most frequent in our patients. Patients with high LDH levels showed significantly lower values of LMR. Since the occurrence of low LMR values is the expression of an immunosuppressive status, the association between LDH high levels and low LMR values would suggest that LDH may predict a poor prognosis in metastatic cancer not only by reflecting tumor extension, but also for its potential immunosuppressive status.
The Role of MicroRNAs in the Progression, Prognostication, and Treatment of B...CrimsonpublishersCancer
MicroRNAs (miRNAs) are conserved, small, non-coding RNA molecules, which recently have attracted enormous attention in numerous physiological and pathological conditions. Several studies have shed light on their biogenesis, regulatory mechanisms, and role as effective therapies in diseased conditions. Of interest, miRNA deregulation in numerous cancer types has been researched as potential diagnostic and prognostic tool. Breast cancer (BCa) is the most predominant tumor in women and the main cause of death. Despite advances in diagnosis and new treatments, the death toll from this disease is still higher than many other types of cancer in men and women. A major global health issue plaguing the health and clinical research industry is resistance to BCa treatments. A lot of attention is increasingly directed towards miRNAs as a potential predictor’s response to treatments and as an alternative therapy to BCa treatment. Increasing evidence reveals a fundamental role miRNA plays in cancer development, progression, and treatment. Repeated findings have reinforced evidence of miRNA modulations in breast cancer cells by their effects in cell migration and invasion. Recently, miRNAs have been described as a diagnostic and prognostic tool, which offers promises as biomarkers for advancement of non-invasive and precise methods for screening tumor growth and progression. This review summarizes an overview of miRNA in breast cancer growth and progression, recent applications as biomarkers in a clinical setting in this type of cancers.
Hepatocellular carcinoma (HCC) has always been a difficult medical problem for the increasing mortality rate. According to the World Health Organization (WHO), hepatocellular carcinoma (HCC) is the fourth-leading cause of cancer related deaths worldwide [1] and is considered as a highly refractory cancer. Surgery is the most effective treatment to HCC, but HCC is resistant to conventional chemotherapy. In recent years, immunotherapy has been attracting growing attention as a promising therapeutic method to HCC. Immunotherapies to HCC including chimeric antigen receptor T cells (CAR-T), immune checkpoint inhibitor and oncolytic virus have become research hotspots.
Chordoid gliomas are low grade tumors which are most commonly seen in women and in the adult population. Clinical signs and symptoms of these tumors are mostly related to hydrocephalus which is obstructive in nature. Headache, nausea, visual disturbances, imbalances in the endocrine system and autonomic dysfunction can be seen in these tumors. MRI with contrast is the best diagnostic imaging method for such tumors. The best treatment method for such tumors would be complete surgical resection. In case of incomplete resection, the prognosis can be poorer in comparison with complete surgical resection.
Targeting Tumor Metabolism in Anti-Cancer Drug Discovery_Crimson PublishersCrimsonpublishersCancer
Cancer cells have evolved to develop sets of survival strategies to enable them not only to survive and ward off apoptosis-inducing effects of most chemotherapeutic drugs in current use but also proliferate and invade their surrounding healthy tissue. In the 1920’s, based on his pioneering research, Warburg hypothesized cancer cells rely on glycolysis for energy production to sustain their growth because their mitochondrial metabolism is dysfunctional. This review focuses on the current advances in cancer cell metabolism as a result of the recent resurgence of interests in the “Warburg hypothesis” (also called “Warburg effect”) and discusses how these advances have revealed potential anti-cancer drug targets. Additionally, we will also discuss metabolic pathways that are critically coupled to cancer cell survival and proliferation, thereby uncovering other putative anti-cancer drug targets for therapeutic consideration. Thus, we hope to provide a forward-looking framework for discussing and designing new anti-cancer therapies.
Molecular Detection of Epstein Barr Virus, Human Papilloma Virus Types 16,18 ...CrimsonpublishersCancer
Breast cancer is the most common among female, constituting about 18% of all female cancers, with 1.7 million new cases reported in the world each year. Recently some studies reported that approximately 18% of cancer cases can be linked to infectious agents including viruses particularly Human Papilloma Virus (HPV) and Epstein Barr virus (EBV).
According to the World Health Organization (WHO) prostate cancer is the second cause of cancer death in men worldwide [1,2]. Some advanced prostate cancers have well known symptoms. However non-cancerous diseases of the prostate, such as benign prostatic hyperplasia (BPH) cause same symptoms. On the other hand, at very early stages, prostate cancer has no symptoms, the tumor dimension is quite small, and it is extremely difficult to detect it. If prostate cancer is detected at an early stage, it can be successfully cured by different methods. At the later stages, treatment or surgery has very low efficiency. Prostate cancer can often be found by measuring the amount of PSA in the blood. Most healthy men have levels under 4 nano-grams per milliliter (ng/mL) of blood. When prostate cancer develops, the PSA level usually goes above 4. However, for determination of the existence of cancer, some additional methods are used: for example: PSA velocity [3,4] and/or PSA density. Besides, measurement of the ratio of free to total PSA is additional tool in prostate cancer diagnosis [5]. However, the major drawback of PSA determination is its relative lack of specificity. The PSA level can also be increased by benign prostate hyperplasia (BPH) - a noncancerous enlargement of the prostate, prostatitis, etc.
The Evolution of Future Medicine - WE Medicine - To Meet Unmet Medical Needs_...CrimsonpublishersCancer
The medicines needed today are not just for the treatment of disease, but for the treatment of the whole person across his or her lifetime - from disease prevention to disease progression, modulating the efficacy and safety of other medicines, and improving quality of life.
Currently many pharmaceutical and biotech companies are focusing primarily on the treatment versus the prevention of disease, with the exception of developing vaccines against infectious agents as preventative measurement. Developing small molecule medicines still largely applies a reductionist approach focused on a particular target and developing selective and potent chemicals aimed at it. The advancement of knowledge and modern technologies has facilitated the reductionist approach and led to the discovery of a few interesting target- oriented drugs with varying degrees of success, however this approach has not been satisfactory for the treatment of more complex, heterogeneous diseases which are often associated with the aging process [1]. It is recognized that the selected target in most cases is not only important for the pathogenesis of disease, but also plays an important role in the normal functions of the body. With highly potent chemicals used on long term basis, toxicity in normal tissues will often evolve.
A Strange Association Between A Rectum- Infiltrating / Metastatic Dedifferent...CrimsonpublishersCancer
A 57-year-old Caucasian woman, presented to our Endoscopy Unit, complaining several episodes of rectal bleeding during the last 2 weeks, associated with lower abdominal and back pain, mild weight loss and asthenia. On presentation, the patient was hemodynamically stable. Her laboratory tests showed normocytic anemia of 10g/dL, increase of creatine chinase of 264U/L, and mild hypopotassemia (3.4 mEq/l). Moreover, she reported a family history for gastric cancer (father), and she was surveilled by our Oncological center for a recurrent neoplastic disease and for a systemic autoimmune disease, for many years stable under treatment with cycles of radiotherapy, imatinib mesylate, steroids, levothyroxine, and semestral zoledronic acid. After she underwent flexible sigmoidoscopy, a bulky ulcerated rectal mass, of suspected extraparietal origin, was revealed in (Figure 1) and (Figure 2). Multiple random biopsies were obtained from the normal mucosa as well as separately from the ulcers.
T cell Immune Pathways Current and Future Implementation in Cancer Immunother...CrimsonpublishersCancer
T cells are central players in cancer immune response. The discovery of T cell immune pathways has revealed several inhibitory and stimulatory pathways that affect the differentiation and activation of T cell. Theses pathways represent ideal candidates that can be targeted to augment in-vivo. T cell immune response against tumors. In this mini review we will try to reveal some inhibitory and stimulatory T cell immune pathways to which efforts of those interested in cancer immunotherapy can be directed.
micro teaching on communication m.sc nursing.pdfAnurag Sharma
Microteaching is a unique model of practice teaching. It is a viable instrument for the. desired change in the teaching behavior or the behavior potential which, in specified types of real. classroom situations, tends to facilitate the achievement of specified types of objectives.
Recomendações da OMS sobre cuidados maternos e neonatais para uma experiência pós-natal positiva.
Em consonância com os ODS – Objetivos do Desenvolvimento Sustentável e a Estratégia Global para a Saúde das Mulheres, Crianças e Adolescentes, e aplicando uma abordagem baseada nos direitos humanos, os esforços de cuidados pós-natais devem expandir-se para além da cobertura e da simples sobrevivência, de modo a incluir cuidados de qualidade.
Estas diretrizes visam melhorar a qualidade dos cuidados pós-natais essenciais e de rotina prestados às mulheres e aos recém-nascidos, com o objetivo final de melhorar a saúde e o bem-estar materno e neonatal.
Uma “experiência pós-natal positiva” é um resultado importante para todas as mulheres que dão à luz e para os seus recém-nascidos, estabelecendo as bases para a melhoria da saúde e do bem-estar a curto e longo prazo. Uma experiência pós-natal positiva é definida como aquela em que as mulheres, pessoas que gestam, os recém-nascidos, os casais, os pais, os cuidadores e as famílias recebem informação consistente, garantia e apoio de profissionais de saúde motivados; e onde um sistema de saúde flexível e com recursos reconheça as necessidades das mulheres e dos bebês e respeite o seu contexto cultural.
Estas diretrizes consolidadas apresentam algumas recomendações novas e já bem fundamentadas sobre cuidados pós-natais de rotina para mulheres e neonatos que recebem cuidados no pós-parto em unidades de saúde ou na comunidade, independentemente dos recursos disponíveis.
É fornecido um conjunto abrangente de recomendações para cuidados durante o período puerperal, com ênfase nos cuidados essenciais que todas as mulheres e recém-nascidos devem receber, e com a devida atenção à qualidade dos cuidados; isto é, a entrega e a experiência do cuidado recebido. Estas diretrizes atualizam e ampliam as recomendações da OMS de 2014 sobre cuidados pós-natais da mãe e do recém-nascido e complementam as atuais diretrizes da OMS sobre a gestão de complicações pós-natais.
O estabelecimento da amamentação e o manejo das principais intercorrências é contemplada.
Recomendamos muito.
Vamos discutir essas recomendações no nosso curso de pós-graduação em Aleitamento no Instituto Ciclos.
Esta publicação só está disponível em inglês até o momento.
Prof. Marcus Renato de Carvalho
www.agostodourado.com
These lecture slides, by Dr Sidra Arshad, offer a quick overview of physiological basis of a normal electrocardiogram.
Learning objectives:
1. Define an electrocardiogram (ECG) and electrocardiography
2. Describe how dipoles generated by the heart produce the waveforms of the ECG
3. Describe the components of a normal electrocardiogram of a typical bipolar leads (limb II)
4. Differentiate between intervals and segments
5. Enlist some common indications for obtaining an ECG
Study Resources:
1. Chapter 11, Guyton and Hall Textbook of Medical Physiology, 14th edition
2. Chapter 9, Human Physiology - From Cells to Systems, Lauralee Sherwood, 9th edition
3. Chapter 29, Ganong’s Review of Medical Physiology, 26th edition
4. Electrocardiogram, StatPearls - https://www.ncbi.nlm.nih.gov/books/NBK549803/
5. ECG in Medical Practice by ABM Abdullah, 4th edition
6. ECG Basics, http://www.nataliescasebook.com/tag/e-c-g-basics
Couples presenting to the infertility clinic- Do they really have infertility...Sujoy Dasgupta
Dr Sujoy Dasgupta presented the study on "Couples presenting to the infertility clinic- Do they really have infertility? – The unexplored stories of non-consummation" in the 13th Congress of the Asia Pacific Initiative on Reproduction (ASPIRE 2024) at Manila on 24 May, 2024.
Explore natural remedies for syphilis treatment in Singapore. Discover alternative therapies, herbal remedies, and lifestyle changes that may complement conventional treatments. Learn about holistic approaches to managing syphilis symptoms and supporting overall health.
NVBDCP.pptx Nation vector borne disease control programSapna Thakur
NVBDCP was launched in 2003-2004 . Vector-Borne Disease: Disease that results from an infection transmitted to humans and other animals by blood-feeding arthropods, such as mosquitoes, ticks, and fleas. Examples of vector-borne diseases include Dengue fever, West Nile Virus, Lyme disease, and malaria.
New Directions in Targeted Therapeutic Approaches for Older Adults With Mantl...i3 Health
i3 Health is pleased to make the speaker slides from this activity available for use as a non-accredited self-study or teaching resource.
This slide deck presented by Dr. Kami Maddocks, Professor-Clinical in the Division of Hematology and
Associate Division Director for Ambulatory Operations
The Ohio State University Comprehensive Cancer Center, will provide insight into new directions in targeted therapeutic approaches for older adults with mantle cell lymphoma.
STATEMENT OF NEED
Mantle cell lymphoma (MCL) is a rare, aggressive B-cell non-Hodgkin lymphoma (NHL) accounting for 5% to 7% of all lymphomas. Its prognosis ranges from indolent disease that does not require treatment for years to very aggressive disease, which is associated with poor survival (Silkenstedt et al, 2021). Typically, MCL is diagnosed at advanced stage and in older patients who cannot tolerate intensive therapy (NCCN, 2022). Although recent advances have slightly increased remission rates, recurrence and relapse remain very common, leading to a median overall survival between 3 and 6 years (LLS, 2021). Though there are several effective options, progress is still needed towards establishing an accepted frontline approach for MCL (Castellino et al, 2022). Treatment selection and management of MCL are complicated by the heterogeneity of prognosis, advanced age and comorbidities of patients, and lack of an established standard approach for treatment, making it vital that clinicians be familiar with the latest research and advances in this area. In this activity chaired by Michael Wang, MD, Professor in the Department of Lymphoma & Myeloma at MD Anderson Cancer Center, expert faculty will discuss prognostic factors informing treatment, the promising results of recent trials in new therapeutic approaches, and the implications of treatment resistance in therapeutic selection for MCL.
Target Audience
Hematology/oncology fellows, attending faculty, and other health care professionals involved in the treatment of patients with mantle cell lymphoma (MCL).
Learning Objectives
1.) Identify clinical and biological prognostic factors that can guide treatment decision making for older adults with MCL
2.) Evaluate emerging data on targeted therapeutic approaches for treatment-naive and relapsed/refractory MCL and their applicability to older adults
3.) Assess mechanisms of resistance to targeted therapies for MCL and their implications for treatment selection
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The prostate is an exocrine gland of the male mammalian reproductive system
It is a walnut-sized gland that forms part of the male reproductive system and is located in front of the rectum and just below the urinary bladder
Function is to store and secrete a clear, slightly alkaline fluid that constitutes 10-30% of the volume of the seminal fluid that along with the spermatozoa, constitutes semen
A healthy human prostate measures (4cm-vertical, by 3cm-horizontal, 2cm ant-post ).
It surrounds the urethra just below the urinary bladder. It has anterior, median, posterior and two lateral lobes
It’s work is regulated by androgens which are responsible for male sex characteristics
Generalised disease of the prostate due to hormonal derangement which leads to non malignant enlargement of the gland (increase in the number of epithelial cells and stromal tissue)to cause compression of the urethra leading to symptoms (LUTS
Title: Sense of Taste
Presenter: Dr. Faiza, Assistant Professor of Physiology
Qualifications:
MBBS (Best Graduate, AIMC Lahore)
FCPS Physiology
ICMT, CHPE, DHPE (STMU)
MPH (GC University, Faisalabad)
MBA (Virtual University of Pakistan)
Learning Objectives:
Describe the structure and function of taste buds.
Describe the relationship between the taste threshold and taste index of common substances.
Explain the chemical basis and signal transduction of taste perception for each type of primary taste sensation.
Recognize different abnormalities of taste perception and their causes.
Key Topics:
Significance of Taste Sensation:
Differentiation between pleasant and harmful food
Influence on behavior
Selection of food based on metabolic needs
Receptors of Taste:
Taste buds on the tongue
Influence of sense of smell, texture of food, and pain stimulation (e.g., by pepper)
Primary and Secondary Taste Sensations:
Primary taste sensations: Sweet, Sour, Salty, Bitter, Umami
Chemical basis and signal transduction mechanisms for each taste
Taste Threshold and Index:
Taste threshold values for Sweet (sucrose), Salty (NaCl), Sour (HCl), and Bitter (Quinine)
Taste index relationship: Inversely proportional to taste threshold
Taste Blindness:
Inability to taste certain substances, particularly thiourea compounds
Example: Phenylthiocarbamide
Structure and Function of Taste Buds:
Composition: Epithelial cells, Sustentacular/Supporting cells, Taste cells, Basal cells
Features: Taste pores, Taste hairs/microvilli, and Taste nerve fibers
Location of Taste Buds:
Found in papillae of the tongue (Fungiform, Circumvallate, Foliate)
Also present on the palate, tonsillar pillars, epiglottis, and proximal esophagus
Mechanism of Taste Stimulation:
Interaction of taste substances with receptors on microvilli
Signal transduction pathways for Umami, Sweet, Bitter, Sour, and Salty tastes
Taste Sensitivity and Adaptation:
Decrease in sensitivity with age
Rapid adaptation of taste sensation
Role of Saliva in Taste:
Dissolution of tastants to reach receptors
Washing away the stimulus
Taste Preferences and Aversions:
Mechanisms behind taste preference and aversion
Influence of receptors and neural pathways
Impact of Sensory Nerve Damage:
Degeneration of taste buds if the sensory nerve fiber is cut
Abnormalities of Taste Detection:
Conditions: Ageusia, Hypogeusia, Dysgeusia (parageusia)
Causes: Nerve damage, neurological disorders, infections, poor oral hygiene, adverse drug effects, deficiencies, aging, tobacco use, altered neurotransmitter levels
Neurotransmitters and Taste Threshold:
Effects of serotonin (5-HT) and norepinephrine (NE) on taste sensitivity
Supertasters:
25% of the population with heightened sensitivity to taste, especially bitterness
Increased number of fungiform papillae
Prix Galien International 2024 Forum ProgramLevi Shapiro
June 20, 2024, Prix Galien International and Jerusalem Ethics Forum in ROME. Detailed agenda including panels:
- ADVANCES IN CARDIOLOGY: A NEW PARADIGM IS COMING
- WOMEN’S HEALTH: FERTILITY PRESERVATION
- WHAT’S NEW IN THE TREATMENT OF INFECTIOUS,
ONCOLOGICAL AND INFLAMMATORY SKIN DISEASES?
- ARTIFICIAL INTELLIGENCE AND ETHICS
- GENE THERAPY
- BEYOND BORDERS: GLOBAL INITIATIVES FOR DEMOCRATIZING LIFE SCIENCE TECHNOLOGIES AND PROMOTING ACCESS TO HEALTHCARE
- ETHICAL CHALLENGES IN LIFE SCIENCES
- Prix Galien International Awards Ceremony
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Prevalence of Gallbladder Cancer in Arsenic Endemic Areas-Crimson Publishers
1. Prevalence of Gallbladder Cancer in Arsenic
Endemic Areas
Archismaan Ghosh and Madhumita Roy*
Department of Environmental Carcinogenesis & Toxicology, Chittaranjan National Cancer
Institute, 37, S P Mukherjee Road, Kolkata, India
Crimson Publishers
Wings to the Research
Mini Review
*Corresponding author: Madhumita
Roy, Department of Environmental
Carcinogenesis & Toxicology, Chittaranjan
National Cancer Institute, 37, S P
Mukherjee Road, Kolkata, India, Email:
mitacnci@yahoo.co.in
Submission: March 13, 2020
Published: May 04, 2020
Volume 4 - Issue 4
How to cite this article: Archismaan
Ghosh, Madhumita Roy. Prevalence
of Gallbladder Cancer in Arsenic
Endemic Areas. Nov Appro in Can
Study. 4(4). NACS.000593. 2020.
DOI: 10.31031/NACS.2020.04.000593
Copyright@ Madhumita Roy. This
article is distributed under the terms of
the Creative Commons Attribution 4.0
International License, which permits
unrestricted use and redistribution
provided that the original author and
source are credited.
ISSN: 2637-773X
Introduction
Groundwater is one the most important source of drinking water in the world.
Contamination of groundwater by arsenic is a major health issue which is escalating day by
day. More and more areas are being reported with arsenic content much higher than the safe
limit of 10µg/L set by WHO [1]. Apart from a plethora of health hazards, chronic exposure
to arsenic is known to cause cancer of the skin, lung, bladder, liver, kidney and prostrate [2].
Association between presence of arsenic and cancer of the gallbladder has not been reported
as much. But, epidemiological evidence indicates a link between incidences of gallbladder
cancer in arsenic endemic areas. World wide geographic distribution of arsenic contaminated
areas share remarkable similarity with regions reporting high prevalence of gallbladder
cancer, especially in Chile, India and Bangladesh [3]. In India, the Indo-Gangetic belt has
the highest number of recorded cases of gallbladder cancer, maximum amongst them being
reported from the Kamrup district in Assam [4]. This region of Eastern India also harbors
areas with the highest groundwater arsenic contamination [5].
Gall bladder cancer is a rare malignancy but has very high mortality rate with less than
5 years of survivability [6,7]. Apart from known risk factors like age, sex, presence of gall
stones, ethnic origin [8], and environment may be a key player in the etiology of gallbladder
cancer. Environmental risk factors include water contamination by heavy metals like lead,
cobalt, mercury, arsenic, chromium, and cadmium. Of these, exposure to elevated amount of
cadmium, cobalt, lead, mercury is marked as causative factors for gallbladder carcinogenesis
[9]. Prognosis of gallbladder cancer is poor and that may be attributed to its late diagnosis,
when the disease has advanced and metastasis has already taken place [8].
Arsenic has been declared as a Group 1 carcinogen by the International Agency for
Research on Cancer, based on the substantial evidence for their carcinogenicity in humans
[2]. The Majority of the ingested arsenic undergoes biotransformation in the liver and the
metabolites are excreted mainly in the urine, causing renal cancer [10]. These metabolites
often are excreted into the bile [11,12]. Arsenic may be responsible for carcinogenesis of
the biliary tract cancer, the most common of which being gallbladder cancer [13]. Statistical
analysis investigating the ecological correlation between the arsenic concentrations and
incidences of gall bladder cancer have shown positive trends both in Indian and Taiwanese
populations [2].
Abstract
Association between exposure to high arsenic content and gallbladder cancer is scanty. Few reports
suggest that the incidence of gallbladder cancer is high along the Indo-Gangetic belt. Inflammation, which
is a causative factor for gallbladder carcinoma can be induced by arsenic. Prognosis of gallbladder cancer
is poor. Therefore, it is worthwhile to find a correlation between arsenic exposure and its incidence to
identify a population who are at high risk category.
Keywords: Arsenic; Gallbladder cancer; inflammation; Indo Gangetic belt
Novel Approaches in Cancer Study 374