Human umbilical mesenchymal stem cell-derived mitochondria transplantation suppresses sFLT-1 secretion by regulating calcineurin-NFAT-dependent pathways in angiotensin II-induced preeclampsia rats. - Cui HX; Liu JX; Kang YC; Han K; Lee HK; Kim CH; Zhang YH (Stem cell research & therapy, 2026)