It is all about to the causes and effects of cancer ,how it proliferate and damage the DNA. It also includes the cancer ratio of males and females in the year 2020. Later it discusses the 3 steps of carcinogenesis and at the end there is a portion of suppressor genes that play key role in protecting our DNA to get mutated and especially protect our cell from developing any cancerous symptoms .
There are 2 types of tumor
Benign
Malignant
The benign being not much virulent and dangerous as compared to malignant one as the later can be fatal in most cases .
Metastasis can lead to the increase in risk of losing a person's life as it continues to grow unchecked and the size increases vigorously damaging the surrounding cells
Definition, Gene therapy, types of gene therapy, germline gene therapy, somatic cell gene therapy, basic process of gene therapy and potential targets for gene therapy.
Introduction
History
Landmarks Events in Transgenic Livestock Research
Techniques/ Method for Gene Transfer
Examples of transgenesis
Importance
Application
Limitation
Issue related to Transgenic Technology
Ethical concerns and how to Overcome
Report Back from SGO 2024: What’s the Latest in Cervical Cancer?bkling
Are you curious about what’s new in cervical cancer research or unsure what the findings mean? Join Dr. Emily Ko, a gynecologic oncologist at Penn Medicine, to learn about the latest updates from the Society of Gynecologic Oncology (SGO) 2024 Annual Meeting on Women’s Cancer. Dr. Ko will discuss what the research presented at the conference means for you and answer your questions about the new developments.
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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
ARTIFICIAL INTELLIGENCE IN HEALTHCARE.pdfAnujkumaranit
Artificial intelligence (AI) refers to the simulation of human intelligence processes by machines, especially computer systems. It encompasses tasks such as learning, reasoning, problem-solving, perception, and language understanding. AI technologies are revolutionizing various fields, from healthcare to finance, by enabling machines to perform tasks that typically require human intelligence.
Flu Vaccine Alert in Bangalore Karnatakaaddon Scans
As flu season approaches, health officials in Bangalore, Karnataka, are urging residents to get their flu vaccinations. The seasonal flu, while common, can lead to severe health complications, particularly for vulnerable populations such as young children, the elderly, and those with underlying health conditions.
Dr. Vidisha Kumari, a leading epidemiologist in Bangalore, emphasizes the importance of getting vaccinated. "The flu vaccine is our best defense against the influenza virus. It not only protects individuals but also helps prevent the spread of the virus in our communities," he says.
This year, the flu season is expected to coincide with a potential increase in other respiratory illnesses. The Karnataka Health Department has launched an awareness campaign highlighting the significance of flu vaccinations. They have set up multiple vaccination centers across Bangalore, making it convenient for residents to receive their shots.
To encourage widespread vaccination, the government is also collaborating with local schools, workplaces, and community centers to facilitate vaccination drives. Special attention is being given to ensuring that the vaccine is accessible to all, including marginalized communities who may have limited access to healthcare.
Residents are reminded that the flu vaccine is safe and effective. Common side effects are mild and may include soreness at the injection site, mild fever, or muscle aches. These side effects are generally short-lived and far less severe than the flu itself.
Healthcare providers are also stressing the importance of continuing COVID-19 precautions. Wearing masks, practicing good hand hygiene, and maintaining social distancing are still crucial, especially in crowded places.
Protect yourself and your loved ones by getting vaccinated. Together, we can help keep Bangalore healthy and safe this flu season. For more information on vaccination centers and schedules, residents can visit the Karnataka Health Department’s official website or follow their social media pages.
Stay informed, stay safe, and get your flu shot today!
- Video recording of this lecture in English language: https://youtu.be/lK81BzxMqdo
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Title: Sense of Smell
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 primary categories of smells and the concept of odor blindness.
Explain the structure and location of the olfactory membrane and mucosa, including the types and roles of cells involved in olfaction.
Describe the pathway and mechanisms of olfactory signal transmission from the olfactory receptors to the brain.
Illustrate the biochemical cascade triggered by odorant binding to olfactory receptors, including the role of G-proteins and second messengers in generating an action potential.
Identify different types of olfactory disorders such as anosmia, hyposmia, hyperosmia, and dysosmia, including their potential causes.
Key Topics:
Olfactory Genes:
3% of the human genome accounts for olfactory genes.
400 genes for odorant receptors.
Olfactory Membrane:
Located in the superior part of the nasal cavity.
Medially: Folds downward along the superior septum.
Laterally: Folds over the superior turbinate and upper surface of the middle turbinate.
Total surface area: 5-10 square centimeters.
Olfactory Mucosa:
Olfactory Cells: Bipolar nerve cells derived from the CNS (100 million), with 4-25 olfactory cilia per cell.
Sustentacular Cells: Produce mucus and maintain ionic and molecular environment.
Basal Cells: Replace worn-out olfactory cells with an average lifespan of 1-2 months.
Bowman’s Gland: Secretes mucus.
Stimulation of Olfactory Cells:
Odorant dissolves in mucus and attaches to receptors on olfactory cilia.
Involves a cascade effect through G-proteins and second messengers, leading to depolarization and action potential generation in the olfactory nerve.
Quality of a Good Odorant:
Small (3-20 Carbon atoms), volatile, water-soluble, and lipid-soluble.
Facilitated by odorant-binding proteins in mucus.
Membrane Potential and Action Potential:
Resting membrane potential: -55mV.
Action potential frequency in the olfactory nerve increases with odorant strength.
Adaptation Towards the Sense of Smell:
Rapid adaptation within the first second, with further slow adaptation.
Psychological adaptation greater than receptor adaptation, involving feedback inhibition from the central nervous system.
Primary Sensations of Smell:
Camphoraceous, Musky, Floral, Pepperminty, Ethereal, Pungent, Putrid.
Odor Detection Threshold:
Examples: Hydrogen sulfide (0.0005 ppm), Methyl-mercaptan (0.002 ppm).
Some toxic substances are odorless at lethal concentrations.
Characteristics of Smell:
Odor blindness for single substances due to lack of appropriate receptor protein.
Behavioral and emotional influences of smell.
Transmission of Olfactory Signals:
From olfactory cells to glomeruli in the olfactory bulb, involving lateral inhibition.
Primitive, less old, and new olfactory systems with different path
Acute scrotum is a general term referring to an emergency condition affecting the contents or the wall of the scrotum.
There are a number of conditions that present acutely, predominantly with pain and/or swelling
A careful and detailed history and examination, and in some cases, investigations allow differentiation between these diagnoses. A prompt diagnosis is essential as the patient may require urgent surgical intervention
Testicular torsion refers to twisting of the spermatic cord, causing ischaemia of the testicle.
Testicular torsion results from inadequate fixation of the testis to the tunica vaginalis producing ischemia from reduced arterial inflow and venous outflow obstruction.
The prevalence of testicular torsion in adult patients hospitalized with acute scrotal pain is approximately 25 to 50 percent
TEST BANK for Operations Management, 14th Edition by William J. Stevenson, Ve...kevinkariuki227
TEST BANK for Operations Management, 14th Edition by William J. Stevenson, Verified Chapters 1 - 19, Complete Newest Version.pdf
TEST BANK for Operations Management, 14th Edition by William J. Stevenson, Verified Chapters 1 - 19, Complete Newest Version.pdf
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
1. DR . HARISINGH GOUR CENTRAL
UNIVERSITY SAGAR
MADE BY:- NAGENDRA SAHU (MSC 2ND SEM /Y18265012)
GUIDED BY:- DR. RASHMI SRIVASTAVA (DEPARTMENT OF ZOOLOGY)
2. CONTENTS
1. INTRODUCTION
2. VARIETY OF GENE THERAPY
3. TYPES OF GENE THERAPY
I. SOMATIC GENE THERAPY
II. GERM LINE GENE THERAPY
4. LIMITATION OF GENE THERAPY
5. ADVANTAGE AND DISADVANTAGES OF GENE THERAPY
3. WHAT IS GENE THERAPY?
• GENE THERAPY IS THE APPLICATION OF GENETIC PRINCIPLES IN THE TREATMENT OF
HUMAN DISEASE.
• GENE THERAPY TYPICALLY INVOLVES THE INSERTION OF A FUNCTIONING GENE
INTO CELLS TO CORRECT A CELLULAR DYSFUNCTION OR TO PROVIDE A NEW
CELLULAR FUNCTION (CULVER, 1994).
4. • GT IS USED TO IMPROVE A GENETIC DISORDER SUCH AS :-
I. CYSTIC FIBROSIS,
II. SEVERE COMBINED IMMUNODEFICIENCY SYNDROME,
III. MUSCULAR DYSTROPHY,
IV. HEAMOPHILIA
V. CANCERS (PRESENCE OF DEFECTIVE GENES)
5. VARIETY OF GENE THERAPY
MONOGENIC GENE THERAPY
• PROVIDES GENES TO ENCODE FOR THE PRODUCTION OF A SPECIFIC PROTEIN
(CYSTIC FIBROSIS, MUSCULAR DYSTROPHY, SICKLE CELL DISEASE, HAEMOPHILIA,)
SUICIDE GENE THERAPY
• PROVIDE ‘SUICIDE’ GENES TO TARGET CANCER CELLS FOR DESTRUCTION
(CANCER)
ANTISENSE GENE THERAPY
• PROVIDES A SINGLE STRANDED GENE IN AN ’ANTISENSE’ (BACKWARD) ORIENTATION TO
BLOCK THE PRODUCTION OF HARMFUL PROTEINS
(AIDS/HIV)
6. TYPES OF GENE THERAPY
SOMATIC GENE THERAPY:-
• IN SOMATIC GENE THERAPY, THE THERAPEUTIC GENES ARE TRANSFERRED INTO
THE SOMATIC CELLS,OF A PATIENT. TRANSFER OF A SECTION OF DNA TO ANY
CELL OF THE BODY THAT DOESN’T PRODUCE SPERM OR EGGS. EFFECTS OF GENE
THERAPY WILL NOT BE PASSED ONTO THE PATIENT’S CHILDREN.
I. EX VIVO SOMATIC GENE THERAPY
II. IN VIVO SOMATIC GENE THERAPY
7.
8. GERM LINE GENE THERAPY:-
• IN GERM LINE GENE THERAPY, GERM CELLS, (SPERM OR OVUM), ARE MODIFIED BY
THE INTRODUCTION OF FUNCTIONAL GENES, WHICH ARE INTEGRATED INTO
THEIR GENOMES.
• TRANSFER OF A SECTION OF DNA TO CELLS THAT PRODUCE EGGS OR SPERM.
EFFECTS OF GENE THERAPY WILL BE PASSED ONTO THE PATIENT’S CHILDREN
AND SUBSEQUENT GENERATIONS.
9.
10. LIMITATIONS OF GENE THERAPY
SHORT LIVED:-
• IT IS HARD TO RAPIDLY INTEGRATE THERAPEUTIC DNA INTO GENOME AND RAPIDLY
DIVIDING NATURE OF CELLS PREVENT GENE.
DURATION OF GENE ACTIVITY:
• NON-INTEGRATING DELIVERY WILL BE TRANSIENT.
• INTEGRATED DELIVERY WILL BE STABLE
PATIENT SAFETY:-
• IMMUNE HYPER-RESPONSIVENESS
MULTIGENE DISORDERS:-
• HEART DISEASE, HIGH BLOOD PRESSURE, ALZHEIMER’S, ARTHRITIS AND DIABETES ARE
HARD TO TREAT BECAUSE ONE NEED TO INTRODUCE MORE THAN ONE GENE.
11. ADVANTAGES OF GENE THERAPY
1. GENE SILENCING IS A CONCEPT THAT IN ITSELF IS SELF-EFFICIENT FOR MANAGEMENT OF
MANY DISEASES.
2. GENE THERAPY HAS THE POTENTIAL TO ELIMINATE AND PREVENT HEREDITARY DISEASES,
SUCH AS CYSTIC FIBROSIS, AND IS A POSSIBLE CURE FOR HEART DISEASE, AIDS AND CANCER.
3. GIVES AN ADVANTAGE TO A PERSON BORN WITH GENETIC DISORDER TO LIVE LIFE IN A
NORMAL WAY BY REPLACING NON-FUNCTIONAL GENE WITH A FUNCTIONAL ONE.
12. DISADVANTAGES OF GENE THERAPY
1. IRREGULAR IMMUNE RESPONSES.
2. VIRAL VECTORS MAY INTRODUCE TOXICITY.(IMMUNE AND INFLAMMATORY RE-
SPONSES).
3. MULTI-GENE DISORDERS SUCH AS HEART DISEASE, HIGH BLOOD PRESSURE,
ALZHEIMER’S DISEASE.
4. DIABETES CANNOT BE TREATED THROUGH THIS THERAPY.
5. RELIGIOUS CONCERNS.
5. CHANCES OF INDUCING IATROGENIC (PHYSICIAN INDUCED) TUMOURS IN
HUMAN BEINGS.
6. SHORT-LIVED NATURE OF GENE THERAPY.