Liu J, Liang X, Li M, Lin F, Ma X, Xin Y, Meng Q, Zhuang R, Zhang Q, Han W, et al. Intramyocardial injected human umbilical cord-derived mesenchymal stem cells (HucMSCs) contribute to the recovery of cardiac function and the migration of CD4 T cells into the infarcted heart via CCL5/CCR5 signaling. Stem Cell Res Ther. 2022;13(1):247.