The transfer of MSCs derived from normal adipose tissue leads to decreases in the size of ectopic endometrial lesions in rats with endometriosis due to the downregulation of proinflammatory cytokines, including IFNγ and TNFα, in peritoneal macrophages and ectopic endometrial lesions that are required for endometriosis progression [96]. Here, IFNG is linked to endometriosis.