Researchers have reported that exosomes secreted by USCs contain various factors (such as growth factor, transforming growth factor-β1, angiogenin, and bone morphogenetic protein-7) and functional proteins and have therapeutic effects on various diseases, including diabetic nephropathy, diabetic skin injury, and stress urinary incontinence [19, 29, 30]. The gene discussed is ANG; the disease is Stress urinary incontinence.