Methionine is an amino acid( a building block of protein) hence cannot be produced by the body but only supplied by the diet.Although mammals cannot synthesize methionine, they can still use it in a variety of biochemical pathways: Metabolism,Regeneration, Reverse-transulfurylation pathway: conversion to cysteine & Ethylene synthesis.
ONE OF THESE ABOVE , ONLY METABOLISM IS DISCUSSED.
Digestion of proteins, absorption of amino acids, synthesis of amino acids, catabolism of amino acids and synthesis of specialised non-protein compounds from amino acids for undergraduates
Metabolism of Glutamate ,Aspartate ,Glutamine &Asparaginerohini sane
A lucid presentation on Metabolism of Glutamate , Glutamine ,Aspartate & Asparagine for MBBS, BDS , B. Pharm & Biotechnology students to facilitate self-study.
Methionine is an amino acid( a building block of protein) hence cannot be produced by the body but only supplied by the diet.Although mammals cannot synthesize methionine, they can still use it in a variety of biochemical pathways: Metabolism,Regeneration, Reverse-transulfurylation pathway: conversion to cysteine & Ethylene synthesis.
ONE OF THESE ABOVE , ONLY METABOLISM IS DISCUSSED.
Digestion of proteins, absorption of amino acids, synthesis of amino acids, catabolism of amino acids and synthesis of specialised non-protein compounds from amino acids for undergraduates
Metabolism of Glutamate ,Aspartate ,Glutamine &Asparaginerohini sane
A lucid presentation on Metabolism of Glutamate , Glutamine ,Aspartate & Asparagine for MBBS, BDS , B. Pharm & Biotechnology students to facilitate self-study.
This slide show is about overview of building blocks of life i.e. amino acids. It is describes physical, chemical properties, classification, biological functions, modified products of amino acids and biosynthesis of amino acids.
Agmatine is an amino acid that offers a wide of cognitive boosting benefits. It also has excellent effects on reducing neuropathic pain, as well as drug addiction habits. It is neuroprotectant and can reduce tolerance built to many medications like benzodiazepines, morphine, and other painkillers. It also synergizes with SSRI’s & cannabis.
Originally published at: https://nootro.info/agmatine/
Metabolism of amino acids (general metabolism)Ashok Katta
Metabolism of amino acids (general metabolism).
Part - I of amino acid metabolism.
This presentation covers Transamination, deamination, formation and Transport of Ammoniaand etc.
Amino acids are molecules containing an amine group, a carboxylic acid group and a side-chain that varies between different amino acids. The key elements of an amino acid are carbon, hydrogen, oxygen, and nitrogen. They are particularly important in biochemistry, where the term usually refers to alpha-amino acids.
Tom Selleck Health: A Comprehensive Look at the Iconic Actor’s Wellness Journeygreendigital
Tom Selleck, an enduring figure in Hollywood. has captivated audiences for decades with his rugged charm, iconic moustache. and memorable roles in television and film. From his breakout role as Thomas Magnum in Magnum P.I. to his current portrayal of Frank Reagan in Blue Bloods. Selleck's career has spanned over 50 years. But beyond his professional achievements. fans have often been curious about Tom Selleck Health. especially as he has aged in the public eye.
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Introduction
Many have been interested in Tom Selleck health. not only because of his enduring presence on screen but also because of the challenges. and lifestyle choices he has faced and made over the years. This article delves into the various aspects of Tom Selleck health. exploring his fitness regimen, diet, mental health. and the challenges he has encountered as he ages. We'll look at how he maintains his well-being. the health issues he has faced, and his approach to ageing .
Early Life and Career
Childhood and Athletic Beginnings
Tom Selleck was born on January 29, 1945, in Detroit, Michigan, and grew up in Sherman Oaks, California. From an early age, he was involved in sports, particularly basketball. which played a significant role in his physical development. His athletic pursuits continued into college. where he attended the University of Southern California (USC) on a basketball scholarship. This early involvement in sports laid a strong foundation for his physical health and disciplined lifestyle.
Transition to Acting
Selleck's transition from an athlete to an actor came with its physical demands. His first significant role in "Magnum P.I." required him to perform various stunts and maintain a fit appearance. This role, which he played from 1980 to 1988. necessitated a rigorous fitness routine to meet the show's demands. setting the stage for his long-term commitment to health and wellness.
Fitness Regimen
Workout Routine
Tom Selleck health and fitness regimen has evolved. adapting to his changing roles and age. During his "Magnum, P.I." days. Selleck's workouts were intense and focused on building and maintaining muscle mass. His routine included weightlifting, cardiovascular exercises. and specific training for the stunts he performed on the show.
Selleck adjusted his fitness routine as he aged to suit his body's needs. Today, his workouts focus on maintaining flexibility, strength, and cardiovascular health. He incorporates low-impact exercises such as swimming, walking, and light weightlifting. This balanced approach helps him stay fit without putting undue strain on his joints and muscles.
Importance of Flexibility and Mobility
In recent years, Selleck has emphasized the importance of flexibility and mobility in his fitness regimen. Understanding the natural decline in muscle mass and joint flexibility with age. he includes stretching and yoga in his routine. These practices help prevent injuries, improve posture, and maintain mobilit
Rasamanikya is a excellent preparation in the field of Rasashastra, it is used in various Kushtha Roga, Shwasa, Vicharchika, Bhagandara, Vatarakta, and Phiranga Roga. In this article Preparation& Comparative analytical profile for both Formulationon i.e Rasamanikya prepared by Kushmanda swarasa & Churnodhaka Shodita Haratala. The study aims to provide insights into the comparative efficacy and analytical aspects of these formulations for enhanced therapeutic outcomes.
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.
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
Local Advanced Lung Cancer: Artificial Intelligence, Synergetics, Complex Sys...Oleg Kshivets
Overall life span (LS) was 1671.7±1721.6 days and cumulative 5YS reached 62.4%, 10 years – 50.4%, 20 years – 44.6%. 94 LCP lived more than 5 years without cancer (LS=2958.6±1723.6 days), 22 – more than 10 years (LS=5571±1841.8 days). 67 LCP died because of LC (LS=471.9±344 days). AT significantly improved 5YS (68% vs. 53.7%) (P=0.028 by log-rank test). Cox modeling displayed that 5YS of LCP significantly depended on: N0-N12, T3-4, blood cell circuit, cell ratio factors (ratio between cancer cells-CC and blood cells subpopulations), LC cell dynamics, recalcification time, heparin tolerance, prothrombin index, protein, AT, procedure type (P=0.000-0.031). Neural networks, genetic algorithm selection and bootstrap simulation revealed relationships between 5YS and N0-12 (rank=1), thrombocytes/CC (rank=2), segmented neutrophils/CC (3), eosinophils/CC (4), erythrocytes/CC (5), healthy cells/CC (6), lymphocytes/CC (7), stick neutrophils/CC (8), leucocytes/CC (9), monocytes/CC (10). Correct prediction of 5YS was 100% by neural networks computing (error=0.000; area under ROC curve=1.0).
- Video recording of this lecture in English language: https://youtu.be/kqbnxVAZs-0
- Video recording of this lecture in Arabic language: https://youtu.be/SINlygW1Mpc
- Link to download the book free: https://nephrotube.blogspot.com/p/nephrotube-nephrology-books.html
- Link to NephroTube website: www.NephroTube.com
- Link to NephroTube social media accounts: https://nephrotube.blogspot.com/p/join-nephrotube-on-social-media.html
Basavarajeeyam is a Sreshta Sangraha grantha (Compiled book ), written by Neelkanta kotturu Basavaraja Virachita. It contains 25 Prakaranas, First 24 Chapters related to Rogas& 25th to Rasadravyas.
Adv. biopharm. APPLICATION OF PHARMACOKINETICS : TARGETED DRUG DELIVERY SYSTEMSAkankshaAshtankar
MIP 201T & MPH 202T
ADVANCED BIOPHARMACEUTICS & PHARMACOKINETICS : UNIT 5
APPLICATION OF PHARMACOKINETICS : TARGETED DRUG DELIVERY SYSTEMS By - AKANKSHA ASHTANKAR
These lecture slides, by Dr Sidra Arshad, offer a quick overview of the 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 lead (limb II)
4. Differentiate between intervals and segments
5. Enlist some common indications for obtaining an ECG
6. Describe the flow of current around the heart during the cardiac cycle
7. Discuss the placement and polarity of the leads of electrocardiograph
8. Describe the normal electrocardiograms recorded from the limb leads and explain the physiological basis of the different records that are obtained
9. Define mean electrical vector (axis) of the heart and give the normal range
10. Define the mean QRS vector
11. Describe the axes of leads (hexagonal reference system)
12. Comprehend the vectorial analysis of the normal ECG
13. Determine the mean electrical axis of the ventricular QRS and appreciate the mean axis deviation
14. Explain the concepts of current of injury, J point, and their significance
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. Chapter 3, Cardiology Explained, https://www.ncbi.nlm.nih.gov/books/NBK2214/
7. ECG Basics, http://www.nataliescasebook.com/tag/e-c-g-basics
Basavarajeeyam is an important text for ayurvedic physician belonging to andhra pradehs. It is a popular compendium in various parts of our country as well as in andhra pradesh. The content of the text was presented in sanskrit and telugu language (Bilingual). One of the most famous book in ayurvedic pharmaceutics and therapeutics. This book contains 25 chapters called as prakaranas. Many rasaoushadis were explained, pioneer of dhatu druti, nadi pareeksha, mutra pareeksha etc. Belongs to the period of 15-16 century. New diseases like upadamsha, phiranga rogas are explained.
Basavarajeeyam - Ayurvedic heritage book of Andhra pradesh
ARGININE METABOLISM
1.
2. Arginine is highly basic, semi-essential amino
acid.
Arginine is glucogenic amino acid.
Arginine contains guanidinium group.
Arginine is cleaved by arginase to liberate
urea & produce ornithine.
3. Ornithine undergoes transamination of δ -
amino group to formglutamate γ –
semialdehyde which is converted to
glutamate.
Hyperargininemia is an inborn error in
arginine metabolism due to a defect in the
enzyme arginase.
4. Arginine is the substrate for the production
of nitric oxide (NO).
The enzyme nitric oxide synthase (three
isoenzymes) cleaves the nitrogen from the
guanidino group of arginine to form NO.
Requires NADPH, FMN, FAD, heme &
tetrahydrobiopterin.
Very short half-life (about 5 seconds)
6. Neuronal NOS:
NOS1 or nNOS or neuronal NOS is seen in
central & peripheral neurons.
Nitrogenic neurons are seen especially in
cerebellum & gastrointestinal tract.
It is mainly a cytoplasmic enzyme.
It is activated by calcium.
7. Macrophage NOS:
NOS-2 or iNOS or inducible NOS or
macrophage NOS is mainly seen in
macrophages & neutrophils; but is also present
in hepatocytes.
It is induced by cytokines (interleukin-1 &
tumor necrosis factor) & during inflammation.
It is a cytoplasmic enzyme.
Calcium does not activate this iso-enzyme.
8. Endothelial NOS:
NOS-3 or eNOS or endothelial NOS is seen in
endothelial cells, platelets, endocardium &
myocardium.
In these sites, the NO is constantly produced
& released, so that arterial relaxation occurs.
It is localized in the plasma membrane.
It is activated by calcium.
9. The role of nitric oxide as a therapeutic drug
(in the form of nitroglycerine and amyl
nitrate) for the treatment of angina.
Nitric oxide acts as a mediator for several
biological functions.
NO functions as a vasodilator & causes
relaxation of smooth muscles.
10. It is a key molecule in the regulation of
blood flow & the blood pressure (inhibitors
of NO synthesis markedly raise blood
pressure).
NO acts as an inhibitor of platelet
aggregation & adhesion.
11. It functions as a messenger molecule of the
nervous system (neurotransmitter).
NO mediates the bactericidal actions of
macrophages.
It is involved in the erection of penis.
12. NO promotes the synthesis of cGMP.
Some of the actions of NO are mediated
through cGMP & protein kinase C.
Agmatine:
It is a derivative of arginine produced in the
brain.
Agmatine possesses antihypertensive
properties.
13. Angina Pectoris:
Nitroprusside can directly release NO'.
(free radical)
Nitroglycerine (glyceryl trinitrite) requires
glutathione to produce NO'.
These will dilate coronary arteries & are
beneficial in treating angina pectoris.
14. Pulmonary Hypertension:
Inhalation of NO‘ is useful in the treatment
of pulmonary hypertension & high altitude
pulmonary edema.
NO' produces pulmonary vasodilatation,
without lowering systemic blood pressure.
15. Impotence:
NO relaxes smooth muscles in the corpus
cavernosum & increases blood flow into the
penis & makes it erect.
16. Textbook of Biochemistry – U Satyanarayana
Textbook of Biochemistry – DM Vasudevan