دیکشنری فارسی

CD4 cell

ریشه و کاربرد

ریشه

CD4 is a cell surface protein that was discovered in the 1980s. The term 'CD' stands for 'cluster of differentiation', and the number '4' refers to the specific protein marker on the cell's surface.

مثال

  • CD4 cells are targeted by the human immunodeficiency virus (HIV).
  • A decrease in CD4 cell count can indicate a weakened immune system.
  • CD4 cells help coordinate the immune response against pathogens.

تعریف انگلیسی

noun
  1. T cell with CD4 receptor that recognizes antigens on the surface of a virus-infected cell and secretes lymphokines that stimulate B cells and killer T cells; helper T cells are infected and killed by the AIDS virus

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