| Influence of human allogenic bone marrow and cord blood-derived mesenchymal stem cell secreting trophic factors on ATP (adenosine-5'-triphosphate)/ADP (adenosine-5'-diphosphate) ratio and insulin secretory function of isolated human islets from cadaveric donor. | |
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MedLine Citation:
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PMID: 19917393 Owner: NLM Status: In-Process |
Abstract/OtherAbstract:
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Successful islet transplantation (ITx) is not only dependent on the number of islets, but also their quality, including viability, metabolic activity, and function. Islet quality decreases during cultivation after the isolation procedure. To overcome this obstacle, we established the practice of islet and mesenchymal stem cells (MSCs) coculture. This coculture condition improved the ATP (adenosine-5'-triphosphate)/ADP (adenosine-5'-diphosphate) ratio and insulin secretory function in vitro. It is believed that the enhancement of islet quality in islet-MSCs cocultures may be caused by the secretion of active agents by MSCs. Herein we have shown that interleukin-6 (IL-6), vascular endothelial growth factor-A (VEGF-A), hepatocyte growth factor (HGF), and transforming growth factor-beta (TGF-beta) were significantly increased as measured by enzyme-linked immunosorbent assay (ELISA) in MSCs-cultured medium, factors that have been shown to improve the survival, function, and angiogenesis/revascularization of islets. These results indicated that the quality of human islets was enhanced by trophic molecules secreted by MSCs, which influence the intracellular islet ATP content and insulin secretory function. |
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Authors:
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K S Park; Y S Kim; J H Kim; B K Choi; S H Kim; S H Oh; Y R Ahn; M S Lee; M K Lee; J B Park; C H Kwon; J W Joh; K W Kim; S J Kim |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Transplantation proceedings Volume: 41 ISSN: 1873-2623 ISO Abbreviation: Transplant. Proc. Publication Date: 2009 Nov |
Date Detail:
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Created Date: 2009-11-17 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0243532 Medline TA: Transplant Proc Country: United States |
Other Details:
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Languages: eng Pagination: 3813-8 Citation Subset: IM |
Affiliation:
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Department of Molecular Medicine, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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