miR-126-3p containing exosomes derived from human umbilical cord mesenchymal stem cells promote angiogenesis and attenuate ovarian granulosa cell apoptosis in a preclinical rat mod... oleh Qingxi Qu, Linghong Liu, Yuqian Cui, Hongli Liu, Jingyang Yi, Weidong Bing, Chunxiao Liu, Detian Jiang, Yanwen Bi