Fig. 6From: Estrogen inhibits endoplasmic reticulum stress and ameliorates myocardial ischemia/reperfusion injury in rats by upregulating SERCA2aE2 relieved pathological myocardial damage, fibrosis, and ER swelling via increasing SERCA2a expression. a Cardiomyocytes HE staining of each group (n = 5). b Masson staining of every group (n = 5). Collagenous fibers showed as blue. c Representative TEM images of cardiomyocytes (× 11,000; n = 3). Black arrows indicated the ERBack to article page