It is showed that the UVC irradiation may cause the apoptosis of human peripheral blood monocytes. In addition,the apoptosis is probably resulting from the IL-2 lack after ultraviolet C irradiation.

• UVC 照射可诱发人外周血单个核细胞凋亡，此外凋亡可能是UVC引起的IL－ 2 缺失所致。