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  • Title: [Clinical and experimental study of the therapeutic effect of umbilical cord blood stem cell transplantation on liver failure and heart damage in severe viral hepatitis patients].
    Author: Tang XP, Yang X, Zhang M, Wang WL, Chen LM.
    Journal: Zhonghua Gan Zang Bing Za Zhi; 2005 Apr; 13(4):259-63. PubMed ID: 15850511.
    Abstract:
    OBJECTIVE: To investigate and compare the therapeutic effect of umbilical cord blood stem cell transplantation (UCBSCT) or adult fresh plasma in severe viral hepatitis liver failure with/without heart damage, and to study the effect of UCBSCT on liver lesions in rats. METHODS: 83 severe hepatitis patients with/without heart damage were included in the study between January 1994 and June 2003. The patients were treated with UCBSCT or given adult plasma transfusions. The therapeutic effect was evaluated by serial determination of liver function and myocardium enzymes in all patients before and after the treatment. The model of experimental hepatic failure was constructed in SD rats by injecting carbon tetrachloride. Then, the rats were given normal saline, neonate cord blood serum or neonate cord blood stem cells respectively. The expression of human AFP and Alb in SD rat livers was detected by immunohistochemistry; and human special DNA was detected by PCR. RESULTS: The UCBSCT group had much better effects in the improvement of liver function than the adult plasma group had, no matter whether the patients had heart damage or not. Moreover, UCBSCT can decrease heart impairment of the patients. The animal experiment demonstrated that AFP and Alb positive cells were present in the neonate cord blood stem cell group after 21 days and 1 month; human special DNA was detected by PCR in these SD rat livers. CONCLUSION: UCBSCT displayed good therapeutic effects on severe viral hepatitis and improvement of heart injury of the patients. The rat liver immunohistochemistry indicated that neonate cord blood stem cell application can decrease the liver damage and increase hepatocellular regeneration. Human umbilical cord blood stem cells can differentiate into liver cells in acute damaged SD rat livers.
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