Immunology Quiz Corner: Which one is Matched INCORRECTLY?
|The correct answer is Treg and IL-6. After the encounter with an antigen and co stim molecules presented by antigen presenting cells, the naive T cells that is CD4+ can differentiate into different type of T cells. The commitment to which T cell type it becomes depends on the cytokine that is pre dominant. In the presence of Interferon Gamma and IL-12, Th1 cells predominate that are responsible for intracellular bacteria and cell mediated immunity. In the presence of IL-4, Th2 dominate that are predominately for allergic diseases. In the presence of IL-6 and IL-23 in the presence of TGF-B, Th17 dominate , they are responsible for extracellular bacteria and fungi and cell mediated autoimmunity. Finally, in the presence of TGF-B and retinoic acid, FoxP3 positive T regs dominate that are regulatory in nature. There might be more regulatory T cells around in the immune system that we still haven't discovered.|
|A nice review of this in the context of TH17 immune response was recently published in Kidney International|
Tuesday, June 8, 2010
Immunology Quiz 1 Answers
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