Define Cd4 Cells

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Understanding CD4 Cells and CD4 Cell Tests

The Basics CD4 Count and HIV CD4 Count and HIV Treatment CD4 Cell Test The Bottom Line The Basics Your immune system protects your body by fighting germs and infections.White blood cells are an important part of your immune system. HIV infects and destroys a type of white blood cell called aCD4 cell (sometimes called a T-cell). As the immune system loses CD4 cells, it becomes weaker and is less able tofight off germs. When it...

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define cd4

please doc i have hard on several occasions people talking about cd4 cell count, and i have tried to look up the meaning on the net but can not get anything. what does it mean to say cd4 cell count, what do these cells have to do with hiv infection,...

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

Stanford University, School of Medicine

They are an important cell for your immune system and the primary cell that HIV infects.... Read more »

Difference between CD4 and Percentage (CD4 count versus CD4%, 2011) (LACK OF CD4 RESPONSE DESPITE TREATMENT, 2011)

Could someone explain what exactly is the correlation between CD4 cells and percentage. I know what CD4 are but what does percentage mean. Also, I have been undetectable for 1 year now, my percentage has gone from 3 to 8 but cd4 rose to 320 from 130...

Response from Robert J. Frascino, M.D.

The Robert James Frascino AIDS Foundation

Hi.This gets a bit confusing, but let me try to sort this out for you. A CD4 count is not a direct cell count of CD4 cells in your blood. Rather, it's a calculation based on the total white blood cell count and the proportion of those white... Read more »

CD4 counts vs CD4 percentage (ABSOLUTE CD4 COUNT VERSUS CD4%, 2008)

Dr. Frascino, I am a little new to dealing with HIV. I was diagnosed about 9 months ago. I was wondering what the CD4 percentage was. Because my CD4 count had changed from 510 to 409 in a three month period but the CD4 percentage had risen by 1%....

Response from Robert J. Frascino, M.D.

The Robert James Frascino AIDS Foundation

Hey College Guy,I'll reprint below some information about absolute CD4 cell counts and CD4%. The CD4% is the more accurate test, as it is less susceptible to variations related to concurrent phenomena (diurnal variation, other infections, etc.)... Read more »

Absolute CD4 count down while CD4% up. (ABSOLUTE CD4 COUNT VERSUS CD4%)

Hello Dr. Bob,You are wonderful and doing very important job :) . I have never seen such a Doctor who has an excellent sense of humor and plays the piano. Btw, I play the cello :) . Now my question. My time of infection is between 2006 02 and 2006...

Response from Robert J. Frascino, M.D.

The Robert James Frascino AIDS Foundation

Hello Cello-Guy,I strongly disagree with the advice your doctor gave you regarding absolute CD4 counts versus CD4%! I reviewed this topic in detail recently in this forum. Consequently, rather than retyping the same information, I will instead... Read more »

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IL-2 Induces Sustained CD4 Cell Increases

Posted by Anonymous, 1 Reply

IL-2 Induces Sustained CD4 Cell Increases in HIV-Infected Patients

By Deborah Mitchell

TORONTO, Sep 20 (Reuters Health) - The addition of recombinant interleukin-2 (IL-2) to an HIV antiretroviral therapy produces an increase in CD4+ T-cell counts,... Read more »

High VL/High CD4: what to do?

Posted by Anonymous, 7 Replies

Hi from Italy.
I'm HIV+ since Feb 00 and I discovered my status in June.
Since then I have regularly checked my situation having always high VL (from 60K to 240K) and high CD4 (from 750 to 1000).
My last analysis are VL: 200K and CD4: 907.
My doctor is... Read more »

CD4+Tcell count indicative of nothing.

Posted by TonyF, 4 Replies

This, rather than being a myth the public promotes, could be considered a myth that the medical establishment promotes. We are led to believe that our bi-yearly doctor checkup of our CD4+Tcell count is a good baseline determination of where we... Read more »

What is a T-Cell or CD4 Count?

Posted by TheBody

What Is a T-Cell or CD4 Count?

Your T-cell count, also known as a CD4 count, reveals the number of T cells in your body. A T cell is a special kind of white blood cell, and the more you have, the stronger your immune system is. When you were infected... Read more »

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