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  • Title: [Effects of Pearl Hydrolysate on Hepatic Sinusoidal Endothelial Cell Viability and Capillarization in Liver Fibrosis].
    Author: Peng Y, Yang M, Lin J, Zhao T, Liu P, Liu QY, Guo WQ.
    Journal: Zhongguo Yi Xue Ke Xue Yuan Xue Bao; 2023 Apr; 45(2):185-192. PubMed ID: 37157063.
    Abstract:
    Objective To study the effect and mechanism of pearl hydrolysate on hepatic sinusoidal capillarization in liver fibrosis. Methods Hepatic sinusoidal endothelial cells (HSEC) and hepatic stellate cells (HSC-LX2) were incubated with Hepu pearl hydrolysate.The proliferation of HSEC and HSC-LX2 was examined by MTT colorimetry.The cell cycle and apoptosis of HSC-LX2 were measured by flow cytometry.The changes of the microstructures such as fenestra and basement membrane of HSEC were observed by transmission electron microscopy. Results The intervention with leptin increased the viability of HSC-LX2 (P=0.041),decreased the viability of HSEC (P=0.004),and caused capillarization signs such as decreased number and diameter of fenestrae and formation of continuous basement membrane.The treatment with pearl hydrolysate at different doses increased and expanded the fenestrae of HSEC (low dose:P=0.020;medium dose:P=0.028;high dose:P=0.032),disintegrated the extracellular basement membrane of HSEC (low dose:P=0.020;medium dose:P=0.028;high dose:P=0.032),decreased the viability of HSC-LX2 (low dose:P=0.018;medium dose:P=0.013;high dose:P=0.009),and induced the apoptosis of HSC-LX2 (low dose:P=0.012;medium dose:P=0.006;high dose:P=0.005).Pearl hydrolysate exerted therapeutic effect on capillarization in a dose-dependent manner (low dose:P=0.020;medium dose:P=0.028;high dose:P=0.032).Moreover,high-dose pearl hydrolysate showed stronger effect on capillarization of hepatic sinuses than colchicine (P=0.034) and salvianolic acid B (P=0.038). Conclusion Hepu pearl hydrolysate can increase the viability of HSEC,restore the area of fenestrae,disintegrate the basement membrane,and decrease the viability and induce the apoptosis of HSC-LX2,demonstrating significant pharmacological effects on the capillarization of HSEC and HSC-LX2.
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