Estrogen-Receptor Binding Mode Raloxifene
Raloxifene is an oral selective estrogen receptor modulator (SERM) that has estrogenic actions on bone and anti-estrogenic actions on the uterus...
PAX3 gene
The official name of PAX3 gene is “paired box 3". The PAX3 gene belongs to a family of genes that plays...
Anaphylaxis Mechanism of Action
Anaphylaxis is defined as "a serious allergic reaction that is rapid in onset and may cause death".[1] It typically results in...
Mechanism of Action of Vancomycin
Vancomycin INN ( /væŋkɵˈmaɪsɨn/) is a glycopeptide antibiotic used in the prophylaxis and treatment of infections caused by Gram-positive bacteria. It...
The Estrogen Receptor Hormonal Mechanisms
Estrogen receptor refers to a group of receptors which are activated by the hormone 17β-estradiol (estrogen). Two types of estrogen receptor...
Nerve Growth Factor (NGF) in Alzheimer's disease
Nerve growth factor (NGF) is a small secreted protein that is important for the growth, maintenance, and survival of certain target...
Nicotine Receptors in the Brain
Your brain is the key player in nicotine's action. Like a computer, your brain processes, stores and uses information. In a...
How Hormones Work Animation
Hormones are chemicals released by cells that affect cells in other parts of the body. Only a small amount of hormone...
Haplotypes Animation
Haplotype is a set of single nucleotide polymorphisms (SNPs) on a single chromatid that are statistically associated. It is thought that...
AIDS and the HIV Life Cycle
Aids and HIV Life cycle lecture was given by Dr.Bruce Walker ,He is Howard Hughes Medical Institute Investigator,and Director for Center...
CytoToxic T-Cells
Cytotoxic T-cells is a sub group of T lymphocytes cells that are capable of inducting the death of infected somatic or...
Embryonic stem cells without an egg or embryo
Researchers at Whitehead Institute for Biomedical Research in Cambridge, Mass., have manipulated mouse fibroblasts and turned them into cells with such...
Action Potential in an unmyelinated axon
An action potential,depicted as a red band, is propagated in one directional along the axon.During an action potential , the inside...
What is Southern Blot
Southern blot is a method routinely used in molecular biology to check for the presence of a DNA sequence in a...
Action of Epinephrine
Epinephrine is a hormone and neurotransmitter.It is catecholomine, a sympathomimetic monoamine derived from the amino acids phenylalanine and tryosine,Epinephrine is often...
Kinesin Transport Protein
Kinesins are a class of motor proteins found in eukaryotic cells.This protein is coded by KIF1B(Kinesin family member 1B)gene. Kinesins move...
Progeria syndrome
Hutchinson-Gilford progeria syndrome is a genetic condition characterized by the dramatic, rapid appearance of aging beginning in childhood. Affected children typically...
Concussions animation
Every year, millions of people in the U.S. sustain head and brain injuries. Some are minor because the skull is quite...
EGFR Pathway
EGFR is a transmembrane tyrosine kinase receptor that plays a central role in regulating cell division and death. EGFR belongs to...
Aneurysms Animation
A cerebral aneurysm (also known as an intracranial or intracerebral aneurysm) is a weak or thin spot on a blood vessel...
How Proteins Fold Lecture
The amino-acid sequence (or primary structure) of a protein predisposes it towards its native conformation or conformations. It will fold spontaneously...
Coronary Atherosclerosis
Arteriosclerosis is a cardiovascular disease, Thickening and loss of elasticity of the coronary arteries leads to a progressive insuffiency of the...
Stem Cells: Seeds of Hope
Embryonic stem cells (ES cells) are stem cells derived from the inner cell mass of an early stage embryo known as...
Proton pump inhibitors Therapy
Proton pump inhibitors (or "PPI"s) are a group of drugs whose main action is pronounced and long-lasting reduction of gastric acid...
