Protective effects of ACLF sera on metabolic functions and proliferation of hepatocytes co-cultured with bone marrow MSCs in vitro

AIM: To investigate whether the function of hepatocytes co-cultured with bone marrow mesenchymal stem cells (MSCs) could be maintained in serum from acute-on- chronic liver failure (ACLF) patients.METHODS: Hepatocyte supportive functions and cy- totoxicity of sera from 18 patients with viral hepatit...

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Veröffentlicht in:World journal of gastroenterology : WJG 2011-05, Vol.17 (19), p.2397-2406
Hauptverfasser: Shi, Xiao-Lei, Gu, Jin-Yang, Zhang, Yue, Han, Bing, Xiao, Jiang-Qiang, Yuan, Xian-Wen, Zhang, Ning, Ding, Yi-Tao
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Sprache:eng
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Zusammenfassung:AIM: To investigate whether the function of hepatocytes co-cultured with bone marrow mesenchymal stem cells (MSCs) could be maintained in serum from acute-on- chronic liver failure (ACLF) patients.METHODS: Hepatocyte supportive functions and cy- totoxicity of sera from 18 patients with viral hepatitis B-induced ACLF and 18 healthy volunteers were evalu- ated for porcine hepatocytes co-cultured with MSCs and hepatocyte mono-layered culture, respectively. Chemo- kine profile was also examined for the normal serum and liver failure serum.RESULTS: Hepatocyte growth factor (HGF) and Tumor necrosis factor; tumor necrosis factor (TNF)-a were re- markably elevated in response to ACLF while epidermal growth factor (EGF) and VEGF levels were significantly decreased. Liver failure serum samples induced a higher detachment rate, lower viability and decreased liver sup- port functions in the homo-hepatocyte culture. Hepato-cytes co-cultured with MSCs could tolerate the cytotoxic- ity of the serum from ACLF patients and had similar liver support functions compared with the hepatocytes cul- tured with healthy human serum in vitro. In addition, co- cultured hepatocytes maintained a proliferative capability despite of the insult from liver failure serum.CONCLUSION: ACLF serum does not impair the cell morphology, viability, proliferation and overall metabolic capacities of hepatocyte co-cultured with MSCs in vitro.
ISSN:1007-9327
2219-2840
DOI:10.3748/wjg.v17.i19.2397