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Transplantation of bone marrow cells reduces CCl 4-induced liver fibrosis in mice

Title
Transplantation of bone marrow cells reduces CCl 4-induced liver fibrosis in mice
Authors
Cho K.-A.Lim G.-W.Joo S.-Y.Woo S.-Y.Seoh J.-Y.Cho S.J.Han H.-S.Ryu K.-H.
Ewha Authors
서주영유경하우소연조수진조경아
SCOPUS Author ID
서주영scopus; 유경하scopus; 우소연scopus; 조수진scopus; 조경아scopus
Issue Date
2011
Journal Title
Liver International
ISSN
1478-3223JCR Link
Citation
vol. 31, no. 7, pp. 932 - 939
Indexed
SCI; SCIE; SCOPUS WOS scopus
Abstract
Background: We investigated the reversibility of liver fibrosis induced with a CCl 4 injection and the role of stem cells in reversing the hepatic injury. Furthermore, the most effective cell fraction among bone marrow cells (BMCs) in the repair process was analysed. Methods: C57BL/6 mice were divided into four groups after 5 weeks of injection of CCl 4: control, sacrificed after 5 weeks, sacrificed at 10 weeks and sacrificed 5 weeks later after GFP-donor BM transplantation. Liver function tests and real-time polymerase chain reaction (PCR) of markers indicating liver fibrosis were compared between the groups. To identify the most effective BMC fraction that repairs liver injury, the mice were divided into three groups after the injection of CCl 4 for 2 days: granulocyte colony stimulating factor (G-CSF) only, mononuclear cell (MNC) transplantation and Lin-Sca-1+c-kit+haematopoietic stem cell (HSC) transplantation. Eight days after transplantation, the mice were harvested and morphometric, immunohistochemical analyses were performed to compare the expression of extracellular matrix and liver fibrosis-related factors. Results: The liver fibrosis induced by CCl 4 was not spontaneously recovered but was persistent until 10 weeks, but the group injected with BMCs had less fibrosis and better liver function. Mobilization with G-CSF increased the recovery of the injured liver and the best results were seen in those mice administered the MNC fraction and Lin-Sca-1+c-kit+HSC fraction, with no difference between the two groups. Conclusion: BMC transplantation and stem cell mobilization with G-CSF effectively treats liver injury in mice. These are promising techniques for autologous transplantation in humans with liver fibrosis. © 2010 John Wiley & Sons A/S.
DOI
10.1111/j.1478-3231.2010.02364.x
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의학전문대학원 > 의학과 > Journal papers
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