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| 1 | Stem cell-based regenerative opportunities for the liver: State of the art and beyond显示文摘The existing mismatch between the great demand for liver transplants and the number of available donor organs highlights the urgent need for alternative therapeutic strategies in patients with acute or chronic liver failure. The rapidly growing knowledge on stem cell biology and the intrinsic repair processes of the liver has opened new avenues for using stem cells as a cell therapy platform in regenerative medicine for hepatic diseases. An impressive number of cell types have been investigated as sources of liver regeneration: adult and fetal liver hepatocytes,intrahepatic stem cell populations,annex stem cells,adult bone marrow-derived hematopoietic stem cells,endothelial progenitor cells,mesenchymal stromal cells,embryonic stem cells,and induced pluripotent stem cells. All these highly different cell types,used either as cell suspensions or,in combination with biomaterials as implantable liver tissue constructs,have generated great promise for liver regeneration. However,fundamental questions still need to be addressed and critical hurdles to be overcome before liver cell therapy emerges. In this review,we summarize the state-of-the-art in the field of stem cell-based therapies for the liver along with existing challenges and future perspectives towards a successful liver cell therapy that will ultimately deliver its demanding goals. | Eleftheria Tsolaki Evangelia Yannaki | 2015 | World Journal of Gastroenterology2015,21,43: | 16 |
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