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The glycoprotein CD4 is a co-receptor. A co-receptor is "a cell surface receptor, which, when bound to its respective ligand, modulates antigen receptor binding or affects cellular activation after antigen-receptor interactions." (MediLexicon)
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Is a CD4 molecule also a type of antigen?
CD4 is a glycoprotien expressed on the surface of Helper T Cell
How do you use the word adhesion in a sentence?
She was worried about the adhesion of the bandage over the weeping skin. The temporary adhesion of the 3M Sticky Note was revolutionary The adhesion of a molecule into a biosphere
What is the function of CD4?
CD4 is a surface receptor expressed by helper T lymphocytes, known as CD4+ T cells. Its purpose is to stablize the interaction between the T cell receptor (on the T cell) and an antigen-bearing MHC Class II molecule (on an antigen presenting cell). Under the right circumstances, this interaction activates CD4+ T cells that recognize an invading pathogen. Activated CD4+ T cells do many things, and are required for a robust adaptive immune response.
What is example of adhesion?
Adhesion is when a molecule attracts to a different substance. An example of this is when one end of a piece of paper towel is dipped into a glass of water. They water will climb up the fibers of the paper.
How does the properties of a water molecule relate to hydrogen bonding and the properties of adhesion and cohesion?
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What is principle of adhesion?
There are many different concepts that go into the principle of adhesion. The principle of adhesion is a guideline as to why adhesion works.
What human cell is attacked by HIV?
The Human Immunodeficiency Virus (HIV) seems to only infect the CD4 (or T-helper) cells of the immune system. The CD4 cells are responsible for activating and directing other immune system cells. HIV also infects macrophages and microglial cells that express the CD4 molecule on their surface. The virus can also infect a subtype of myeloid dendritic cells MDC-1.
What has the author Piyal Lasitha Walpola written?
Piyal Lasitha Walpola has written: 'The influence of shear stress on endothelial leukocyte adhesion molecule expression'
Which property of water results in a meniscus?
Adhesion due to the polarity of the water molecule.
What a low cd4 cell count?
A low CD4 cell count typically indicates a weakened immune system, often due to conditions like HIV or other infections. CD4 cells play a critical role in the immune response, so a low count can make the body more vulnerable to opportunistic infections and illnesses. Monitoring CD4 cell counts is important in managing conditions that affect the immune system.
What is the product of a capillary action?
adhesion. adhesion.
Why only cd4 ceels are damaged in hiv n cd8 remain safe?
coz CD8 and CD4 are two diffrent types of proteins .. n HIV requires cd4 to fuse for replicatin
