it reproduces
it reproduces
With the T-cell lymphocyte, HIV basically disarms it and renders it unable to react to infection. Over time, this causes the number of T-cells to drop very low, rendering the person very susceptible to otherwise nominal bacterial, viral and fungal infections.
it does not attack t cells per se. it rather attacks the CD4+ cells which can monocytes or langerhan's cells too.
It decreases their efficiency and in result the efficiency of immune system is also decreased.
Reproduces
Once HIV enters the body's blood stream it immediatly starts attacking the body's CD4 cells or your helper t-cells. An average HIV Negative person has roughly around 1200 tcells per every milimeter of blood. How HIV works is that once it's in the blood stream, the HIV virus is a hundred times smaller than one tcell, and the HIV virus attaches itself to the CD4 cell and it sinks into the tcell and uses the cells RNA to copy the HIV virus up to a billion times in 24 hours. But once the HIV uses the tcells RNA the tcell then become paralyzed and dies, and after HIV and destroyed so many tcells that the numbers drop below 200 tcells per milimeter of blood, the body can not naturely fight off infection, and this stage is what you call full blown AIDS.
Once you are diagnosed with HIV, or when HIV enters the bloodstream, there is no known cure in which it eliminates the HIV virus from the bloodstream. Usually when you are diagnosed the doctor will then take a blood test to see how much of the virus is in your body per milimeter of blood and also how many CD4 cells (tcells) are also in your bloodstream. If the tests come back that there are more than 200 tcells per millimeter of blood, the Doctor may not put you on HIV medications since your body can still fight infection on it's own. If your tcells are 200 or below, your body can no longer fight off infection and he or she will then start you on HIV medications. Depending on what strain of the virus you have, the Doctor can start you on numerous different kinds of medication combinations. Don't get confused that the HIV medications DO NOT cure HIV from your bloodstream, all it does is stop HIV from attaching to your tcells, and stops the virus from duplicating and keeping the virus undetectable. This way the virus is no longer attacking your immune system, but the virus is hiding mainly in the lymphnodes, and if you were to stop taking the antiretrovirus medications, the virus would come out of remission and start attacking the body again.
HIV is a deadly virus.When HIV enters your body it attacks and destroyslymphocytes called HELPER T cells that make antibodies fight infections. And eventually the lymphocytes ( HELPER T) gets weaken and the person dies from HIV....
HIV
HIV attacks the helper T cells
HIV most affects our immune system especially our T helper cells.
CD4
No HIV is not bacteria or any other organism. HIV is a retrovirus. It infects the T helper cells of human, cause AIDS disease.No, it is a virus.No, it is not a virus.
HIV can only bind with the CD4 located on Helper T cells.
No, HIV cannot attach itself to a muscle or a skin cell because the antigens on the HIV membrane are not complementary to their binding sites. However, HIV can attach itself to a helper T cell because the antigens on the HIV membrane are complementary to the binding sites of the helper T cells.
HIV invades helper T cells, which then begin to produce HIV soon after their infected. As helper T cells die, the immune system gradually weakens and becomes overwhelmed by pathogens that it would normally detect and destroy.
(t-cells) are involved in cell mediated immunity that can have memory of previous antigens(non self) that have invaded our body. cytotoxic tcells release preforin that destroy tumor cells or antigens helper tcells release cytokines/interlukins that help in more tcell differentiation