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What Is The Role Of A Cd4 Receptor

Here's a taste of what TheBody.com has to offer on this topic:
Get the Facts
The Well Project

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
Ask the Experts

To med or not to med (DELTA 32 MUTATION) (WHEN TO START TREATMENT, 2009)

Dr. FrascinoI was diagnosed 5 years ago as being HIV positive, which was kind of a shock considering I had done a study in San Francisco that said I lacked some gene that allowed the virus to attach. Anyway here I am 5 years later and my viral load...
Robert J. Frascino, M.D.

Response from Robert J. Frascino, M.D.

The Robert James Frascino AIDS Foundation
...background. HIV can only infect certain cells that have specific "receptors" on their surface that allow HIV to enter. HIV attaches to CD4 receptors. However, CD4 alone isn't enough for viral entry. Another protein called CCR5 is also needed.... Read more »

Psycological response to longterm HIV diagnosis?

I read a most interesting and self confirming article in the May/June Issue of PA (Positively Aware) magazine. It was titled, "Is it all in your head?" Since I have been diagnosed now being over 16 years, I have been finding myself depressed, mood...
Robert J. Frascino, M.D.

Response from Robert J. Frascino, M.D.

The Robert James Frascino AIDS Foundation
...surface receptor to enter cells. In the brain, the primary targets of HIV -- monocytes, macrophages, and microglia -- lack the CD4 receptor.Studies suggest that HIV variants that use the CCR5 coreceptor (so-called macrophage- or M-tropic strains)... Read more »

Stepped on a Needle on A Beach and Get Infected

Dear Dr. Bob,I am 64, married, and have been positive for over 14 years. I was infected in a most bizarre fashion....I stepped on a hypo needle on a Florida beach. I started on Crixivan and Combivir 13 years ago, and am still on them. CD4 is 1300...
Robert J. Frascino, M.D.

Response from Robert J. Frascino, M.D.

The Robert James Frascino AIDS Foundation
...Hi,Contracting HIV from stepping on a discarded hypodermic needle is indeed a very rare occurrence. With your normal CD4 count and undetectable viral load, one wonders if indeed you are really HIV infected. Was your initial test ever reconfirmed Read more »

Atripla and CNS penetration

Greetings from Charleston, SC! I'm a bit confused by your recent answer to the Florida gentleman who inquired about CNS penetration. If Atripla is only "moderately" effective in penetrating the CNS, shouldn't those of us currently taking Atripla...
Robert J. Frascino, M.D.

Response from Robert J. Frascino, M.D.

The Robert James Frascino AIDS Foundation
...surface receptor to enter cells. In the brain, the primary targets of HIV -- monocytes, macrophages, and microglia -- lack the CD4 receptor.Studies suggest that HIV variants that use the CCR5 coreceptor (so-called macrophage- or M-tropic strains)... Read more »
Articles
The Body PRO

Bone Loss Similar Among Patients Taking Lopinavir/Ritonavir or Efavirenz; Race, Baseline CD4 May Play Role

...bone loss -- defined as being clinically significant, as 5% [decrease in bone mineral density] -- we found that a low baseline CD4 cell count was predictive of greater bone loss. As well, Caucasian race was predictive of greater bone loss. [These... Read more »
ACRIA and GMHC

An HIV Medication Primer

...Hepatitis viruses attach to liver cells, cold viruses attach to cells in the nose, and HIV attaches to any cell that has a CD4 receptor on its surface. This includes CD4 T cells, as well as other immune cells. In order to reproduce, HIV must... Read more »
Test Positive Aware Network

HIV and Your Immune System

...purpose. The HIV Life Cycle Binding and Fusion: HIV begins its life cycle when it binds to a CD4 receptor * and one of two co-receptors ** on the surface of a CD4+ T- lymphocyte. *** The virus then fuses... Read more »
U.S. Centers for Disease Control and Prevention

The Role of STD Detection and Treatment in HIV Prevention

...gonorrhea , and trichomoniasis ) increase the concentration of cells in genital secretions that can serve as targets for HIV (e.g., CD4+ cells). Increased infectiousness. STDs also appear to increase the risk of an HIV-infected person... Read more »
Connect With Others

hiv gene therapy

Posted by hopefulone, 2 Replies
has been getting a lot of play in the national and international press as of late....i would be interetested in comments on this hope. 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 or viral load

Posted by Lilly, 2 Replies
...When starting to think about treatment, does either counts (cd4s or viral load) play a bigger role? My viral load has recently dropped, but so has my cd4's. My counts are all still at a Read more »

IL-2 Induces Sustained CD4 Cell Increases

Posted by Anonymous
... IL-2 Induces Sustained CD4 Cell Increases in HIV-Infected Patients By Deborah Mitchell TORONTO, Sep 20 (Reuters Health) - The addition of recombinant Read more »