What is the mechanism by which the AIDS virus causes deficiency of immune system of the infected person?
AIDS (Acquired Immuno Deficiency Syndrome) is because of the Human immunodeficiency virus (HIV) thru sexual or blood-blood contact. After coming into the human frame, the HIV virus assaults and enters the macrophages. Inside the macrophages, the RNA of the virus replicates with the assist of enzyme opposite transcriptase and offers upward push to viral DNA. Then, this viral DNA contains into the host DNA and directs the synthesis of virus particles. At the same time, HIV enters helper T- lymphocytes. It replicates and produces viral progeny there. These newly shaped progeny viruses get launched into the blood, attacking different wholesome helper T-lymphocytes withinside the frame. As a result, the numberof T-lymphocytes withinside the frame of an inflamed individual decreases progressively, thereby lowering the immunity of a man or woman.
