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Difference Between Cd4 And Cd8 Immune Cells

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Ask the Experts

CD4 & CD8

What is the difference between CD4 and CD8? I know it's important to have a good CD4 count, but what about the CD8 count? Should the CD8 count be good also? What should the count ranges be for CD4 and CD8?
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
...Normal ranges in those without HIV infection are CD4 count of 500-1500 and CD8 count of 500-1500. Both cells are important in maintaining a good immune system. CD4 cells are more Read more »

Correlation between Percentage and Absolute Number of CD4s

I seem to recall having read somewhere (and believe that Dr. Young has mentioned in passing) that... Read more »

Th1 & Th2 - Manipulating immune responses

Hi doctor Bob. Thanks for all your hard work in helping us who are infected/affected by HIV. Just... Read more »
Articles
AIDS InfoNet

CD4 Cell Tests

...cells that kill cancer cells and cells infected with a virus. Researchers can tell these cells apart by specific proteins on the cell surface. A T-4 cell is a T-cell with CD4 molecules on its surface. This type of T-cell is also called "CD4... Read more »
The Well Project

Understanding the Immune System

...antigens are processed and displayed on the surface of macrophages, they can be recognized by helper T cells (also known as CD4 cells). When CD4 cells "see" the antigens displayed, they get busy and put the word out to other immune system cells.... Read more »
AIDS InfoNet

Immune Restoration

... What Is Immune Restoration? How Can the Immune System Be Restored? Are New CD4 Cells as Good as Old? What Is Immune Restoration? Immune restoration means repairing the damage done to the immune system Read more »
The Well Project

Immune Reconstitution

...FDA-approved immune-based therapies for HIV diseaseavailable. How does HIV Damage the Immune System? HIV Reduces the Number of CD4 Cells HIV attacks the immune system's soldiers -- the CD4 cells. When the immune system loses too many CD4... Read more »
Connect With Others

Lab Blip?

Posted by jemcd793, 4 Replies
...In the past 16 months my T-cell count has declined from 625 to 361 (361 t-cells as of December). I went back for follow-up labwork to confirm the 361 count Read more »

Intersting read?

Posted by franfrog, 5 Replies
...diagnosed 10 years ago, Blankson said. The husband is a former injecting drug user. Tests showed that immune cells known as CD8 T-cells from the wife stalled HIV replication by as much as 90 percent, while the husband's T-cells stopped it by only... Read more »

Labs are in

Posted by Angel_Ronnie, 1 Reply
...was in a depressed mood for over a week. So yesterday went to the doctor and he gave me good news as to my results. Jan 2007 CD4 362 VL 2642 CD4 Cell% 15.21% May 2007 CD3 3021 CD4 538 VL 1718 CD4 Cell% 15.00% CD8... Read more »

Recently Diagnosed needs help and advice

Posted by pozargie, 5 Replies
...for medical medical support I dont care. I want to live!!! Things work very slow in this part of the world... to ge to my CD4 and virus load count I have to wait 2 weeks more!!! This waiting thing is killing me!!! Should I ask my doctor for... Read more »