Wang Q, Zhang L, Sun Z, Chi B, Zou A, Mao L, Xiong X, Jiang JG, Sun L, Zhu W, et al. HIF-1α overexpression in mesenchymal stem cell-derived exosome-encapsulated arginine-glycine-aspartate (RGD) hydrogels boost therapeutic efficacy of cardiac repair after myocardial infarction. Mater Today Bio. 2021;12:100171.