In asthma there is often an excessive reaction from type 2 helper cells or Th2 cells against specific allergens.
在哮喘中,2型辅助细胞或Th2细胞,会对特定过敏原反应过度。
Osmosis-消化
At that point T helper cells, or Th1 cells swoop in and release cytokines —which are cell signaling molecules— like interferon-gamma, and tumor necrosis factor alpha, which further stimulate the inflammatory response.
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