Abstract
To investigate the possible role of Danshensu on fibronectin (FN) and collagen-I (Col-I) secretion induced by high glucose in human peritoneal mesothelial cells (HPMCs). HPMCs were treated with high glucose and Danshensu at different concentrations. The mRNA expression of FN, Col-I, endothelin-1 (ET-1), and heme oxygenase-1 (HO-1) were examined by reverse transcription-polymerase chain reaction (RT-PCR). The protein expression of FN, Col-I HO-1 and ET-1 were analyzed by enzyme-linked immunosorbent assay or immunofluorescence method. The expression of protein and mRNA of FN and Col-I were attenuated by Danshensu in both dose-dependent and time-dependent manner. The mRNA and protein levels of ET-1 were decreased, and the mRNA and protein levels of HO-1 increased in the Danshensu groups in a dose-dependent manner compared with the high glucose group. The expression of ET-1 and HO-1 showed little difference in a time gradient of danshensu(P>0.05). Danshensu can protect HPMCs through inhibiting the expression of FN and Col-I induced by high glucose, which is related to the suppression of oxidative stress.
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