In general, what are consequences of activation of the TH1 arm of the immune response? Activation of the TH2 arm?
Cell mediated immunity and allergic responses are biological effects that are mediated by cytokines. These are the hormonal messengers and are divided into two groups – proinflammatory and anti-inflammatory.
The source of T lymphocytes are cytokines. T lymphocytes bear receptors on its surface that are antigen specific which allow the recognition of foreign pathogens. Based on the cell surface molecules The two subsets of T lymphocytes are CD4 and CD8. The CD4 T lymphocytes are known as helper T cells and are the most abundant cytokine producers. They are further divided into Th1 and Th2 that produce Th1-type cytokines and Th2-typ cytokine respectively.
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