FACS analysis showed that the expression of MHC-II, CD86,CD83 and CDla on a -MSH + TNF-a -treated MoDC was notably downregulated.

• 然后对Q一MSH+TNF一a处理的MoDC表达明显上调的3个蛋白质斑点进行基质辅助激光解吸/电离飞行时间质谱技术分析鉴定，得到肤质量指纹图谱。