Dodging COVID-19 infection: low expression and localization of ACE2 and TMPRSS2 in multiple donor-derived lines of human umbilical cord-derived mesenchymal stem cells

7/13/1905 J Transl Med 19, 149 (2021) Hernandez JJ, Beaty DE, Fruhwirth LL, Lopes Chaves AP, Riordan NH. Background: Mesenchymal stem cells derived from human umbilical cord (hUC-MSCs) have immunomodulatory properties that are of interest to treat novel coronavirus disease 2019 (COVID-19). Leng et al. recently reported that hUC-MSCs derived from one donor negatively expressed…