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Cd4 Molecule

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AIDS InfoNet

CD4 (T-Cell) Tests

What Are CD4 Cells? CD4 cells are a type of lymphocyte (white blood cell). They are an important part of the immune system. CD4 cells are sometimes called T-cells. There are two main types of CD4 cells. T-4 cells , also called CD4+, are "helper" cells. They lead the attack against infections. T-8 cells (CD8+) are "suppressor" cells that end the immune response. CD8 cells can also be "killer" cells that kill cancer cells and cells infected...
Ask the Experts

CD4

pls what is the meaning of CD4?...
Eric Daar, M.D.

Response from Eric Daar, M.D.

UCLA School of Medicine
CD4 is the molecule on the surface of select immune cells. We define populations of blood cells based upon which molecules are present on their surface. Those lymphocytes that have CD4 on their surface are referred to as "CD4 cells."... Read more »

Describe CD4

Could someone please explain what CD4 is exactly in simple terms? Also, what is a normal CD4 in a non-HIV infected individual? Thank you....
Mark Holodniy, M.D., F.A.C.P., C.I.C.

Response from Mark Holodniy, M.D., F.A.C.P., C.I.C.

Stanford University, School of Medicine
CD4 refers to a type of t lymphocyte, responsible for helping contain various infections. The CD4 refers to a receptor (a molecule) on the surface of the cell that we use to identify this type of cell. It also is the receptor that HIV uses to attach... Read more »

what is cd4%

What exactly is the CD4% and how does it correlate with my CD4 count and viral load?I am a 32 year old white male that was diagnosed in April of 2004 and not currently on any medication regimen. Since then my numbers have been stable with the...
Benjamin Young, M.D., Ph.D.

Response from Benjamin Young, M.D., Ph.D.

Rocky Mountain CARES
Dear Overly,Thank you for your post.The "CD4%" refers to the percentage of T-cells (or T lymphocytes) that bear the CD4 molecule. CD4% number generally correlates with the total (or absolute) CD4 count, but in some individuals, the two... Read more »

CD4 count low what multi vitamins do you suggest

Hi RobI was diagnosed with HIV January 2009, my CD4 count is 238. I was told it is not low enough to start treatment and should take care of myself to try and boost it. Im currently taking vit C and vit B complex, is there any other supplement...
Robert J. Frascino, M.D.

Response from Robert J. Frascino, M.D.

The Robert James Frascino AIDS Foundation
Hi,Among other things ,a healthier lifestyle would include getting adequate sleep/rest, optimizing your diet/nutrition, not smoking or using recreational drugs, using alcohol only in moderation, decreasing stress and participating in a regular... Read more »
Connect With Others

Negative but with a very low CD4 and CD4/CD8

Posted by tobeabetterman, 1 Reply
Hi everyone , sorry to bother again .
I was once told by dear kicker and riverprincess that my 3 months result is conclusive , thank you very much with my best wishes , and I'm sorry I have bother you again .
Some new situation make me nervous again .... Read more »

% Cd4

Posted by Anonymous, 1 Reply
Cual es el % de CD4 de una persoan infectada en su primer ao de exposicion? gracias!! Read more »

cd4

Posted by Anonymous, 3 Replies
Una persona infectada por vih , al cabo de un ao de infeccion en cuanto se situan sus valores de cd4 en porcentaje?
Estan estos por debajo del 40%
entre el 30 y el 40%
Por dbajo del 30%? Read more »

cd4/cd8 ratio

Posted by Anonymous, 1 Reply
cd4 helper 1254 -57%
cd8 suppressor 517-23.5%
cd4/cd8 ratio 2.43
wbc 10.7 h
platelet 425 h
mono neg
checking for reativation of ebv because my herpe virus is so high but no outbreaks. would your cd4/cd8 ratio be high with hiv or low? if you don't mind me... Read more »