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Helper T Cells And Hiv

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Ask the Experts

Helper T-Cells

I've read that non-progressors produce certain type of "T helper Cells" in enough quantity so as to contain the virus, while progressors produce the same kind of "T helper Cells" but not in enough quantity. Has anybody tried yet to clone these...
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
...cells you are referring to I believe are the CD8 cytotoxic t cells. This type of cell is the primary containment mechanism of HIV replication. The mechanism by which these cells contain replication is the subject of intense research. Infusing... Read more »

Injected helper t cells to rebuild immune system?

Sir Bobby,Real quick. What about injected helper t cells in combination with hiv medicines to... Read more »

cd4 count

What is cd4 count?At what cd4 count% should one be put on ATR? Read more »
Articles
U.S. National Institute of Allergy and Infectious Diseases

HIV Selectively Suppresses Anti-HIV Defense Cells

...protect against disease by depleting these cells. From 12 HIV-positive individuals, the researchers isolated three subgroups of helper T cells: HIV-fighting cells, cytomegalovirus-fighting cells, and a "mixed" group. The scientists then examined... Read more »
Search for a Cure

Fixing the Body: An Immune-Based Approach to HIV

...if so to destroy them. This, in most cases, eventually can cure us of an illness or at least hold it in check. 4. How Do Helper T Cells Learn a Virus Is an Enemy? It turns out that all living things are made up of chemicals that we understand... Read more »
U.S. National Institute of Allergy and Infectious Diseases

Challenges in Designing HIV Vaccines

...responses, like a conductor leading a symphony orchestra. The chief regulatory T cell, the helper T cell , also is HIV's main target. The virus attaches to the cell ... Read more »
U.S. National Institute of Allergy and Infectious Diseases

Challenges in Designing HIV Vaccines

..., also is HIV's main target. The virus attaches to the cell through a receptor on the cell's surface called CD4 . Hence, helper T cells are called CD4+ T cells . A subset of helper T cells, memory T cells , are evoked on first exposure to... Read more »
Connect With Others

positive or negative?

Posted by wasek, 1 Reply
...Once HIV gets into the body, it passes instructions into T helper cells on how to make more HIV. These instructions are known as "provirus". Later on the infected T helper cell turns into a factory Read more »

Asians: let's clear this up.

Posted by Anonymous, 3 Replies
I have seen one or two people asking if the seroconversion time is different for Asians. I think the confusion might be due to some Asian countries' ultra-conservative "window periods." Whether they still use less sensitive tests, or just haven't... Read more »

Green tea?

Posted by franfrog
...see if epigallocatechin gallate (EGCG), a chemical found in green tea, might block HIV from attaching to the immune system's T-helper cells, thus protecting those T cells from HIV's damage. T-helper cells act as a "general" in directing and... Read more »

Interferon and Hiv

Posted by ethan_hines, 2 Replies
...Why doesn't pegylated Interferon work the same way with Hiv as it does with HVB/C?. Isn't Interferon very important in fighting RNA virus infections which Hiv is one of? How does Hiv get Read more »