TY - JOUR AU - 송이선 DA - 2014/11 PY - 2014 UR - http://journals.sagepub.com/doi/10.3727/096368914X685609 UR - http://hdl.handle.net/20.500.11754/54341 AB - Human amniotic epithelial cells (h-AECs) have been shown to differentiate into cardiomyocyte-like cells in vivo that can regenerate myocardial tissue and improve cardiac function in a rat model of myocardial infarction (MI). In this study, we investigated the paracrine factors released from h-AECs under hypoxic conditions to elucidate the possible mechanisms underlying this previously reported phenomenon of h-AEC-mediated cardiac repair. We used hypoxic cell culture conditions to simulate myocardial infarction in vitro. In comparison to normal conditions, we found that h-AECs secreted higher levels of several cytokines, including angiogenin (ANG), epidermal growth factor (EGF), interleukin (IL)-6, and monocyte chemoattractant protein (MCP)-1. To determine whether transplanted h-AECs express these proangiogenic cytokines in vivo, we ligated the coronary artery of rats to cause MI and injected either h-AECs or saline into the infarcted area. We found that the infarct and border zones of rat myocardium treated with h-AECs had higher expression levels of the human-origin cytokines ANG, EGF, IL-6, and MCP-1 compared to the tissues of saline-treated rats. In conclusion, h-AECs secreted proangiogenic cytokines in a rat model of MI, which may suggest that the paracrine effect by h-AECs could regenerate myocardial tissue and improve cardiac function. PB - Medline KW - Amniotic epithelial cells KW - Myocardial infarction (MI) KW - Paracrine KW - Cytokine TI - Transplanted human amniotic epithelial cells secrete paracrine pro-angiogenic cytokines in rat model of myocardial infarction DO - 10.3727/096368914X685609 T2 - CELL TRANSPLANTATION ER -