请用地道、科学、书面的英文表达为下方的内容拟一句的题目题目需解释科学细节：To investigate the mechanisms underlying the beneficial effects of HEO complex on endometrial injury repair and fertility we examined the localization of different

Mechanisms underlying the beneficial effects of HEO complex on endometrial injury repair and fertility: Evidence of human endometrial cell integration, expression of estrogen and progesterone receptors, and formation of functional blood vessels.