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Original Article Effects of Islet Transplantation on Endogenous beta-cell Regeneration after Partial Pancreatectomy in Rodents.
Hye Seung Jung, You Ran Ahn, Seung Hoon Oh, Jung Hwa Jung, Tae Hyun Kim, You Cheol Hwang, Mira Kang, Yongsuk Bae, Young seok Kim, Jae Hoon Chung, Yong Ki Min, Myung Shik Lee, Moon Kyu Lee, Kwang Won Kim
Diabetes & Metabolism Journal 2007;31(2):113-122
DOI: https://doi.org/10.4093/jkda.2007.31.2.113
Published online: March 1, 2007
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1Samsung Medical Center, Sungkyunkwan University School of Medicine, Korea.
2Samsung Biomedical Research Institute, Korea.
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BACKGROUND
Islet transplantation is one of regimens supplying the deficient insulin in diabetes patients, but the effects of islet grafts on the changes of endogenous beta-cells are not clear. In the present study, we examined the changes of endogenous beta-cell mass after islet transplantation in partially pancreatectomized mice. METHODS: Balb/c mice were 70% pancreatectomized, transplanted with syngeneic islets (group IV), and were compared with pancreatectomized mice treated with insulin (group III) or no insulin (group II). Blood glucose levels and body weight were monitored. Remnant pancreas was obtained at 6 or 10 days after pancreatectomy, and immunohistochemical staining was done for the evaluation of beta-cell mass changes. RESULTS: Hyperglycemia and weight loss were induced after pancreatectomy. After islet transplantation or insulin treatment, blood glucose levels recovered to normal, and body weight started to increase. Plasma insulin levels were higher and beta-cell mass was larger in group IV than in group II (P < 0.05). Especially, the difference of beta-cell mass between them was more evident at 7 days as compared to at 3 day after transplantation. When compared to group III, group IV showed larger individual beta-cell area after 7 days and larger beta-cell mass after 3 days of islet transplantation (P < 0.05). CONCLUSION: These observations indicate that islet transplantation plays a role in enhancing remnant beta-cell regeneration after partial pancreatectomy in rodents.

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    Effects of Islet Transplantation on Endogenous beta-cell Regeneration after Partial Pancreatectomy in Rodents.
    Korean Diabetes J. 2007;31(2):113-122.   Published online March 1, 2007
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Jung HS, Ahn YR, Oh SH, Jung JH, Kim TH, Hwang YC, Kang M, Bae Y, Kim Ys, Chung JH, Min YK, Lee MS, Lee MK, Kim KW. Effects of Islet Transplantation on Endogenous beta-cell Regeneration after Partial Pancreatectomy in Rodents.. Diabetes Metab J. 2007;31(2):113-122.
DOI: https://doi.org/10.4093/jkda.2007.31.2.113.

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