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中华普通外科学文献(电子版) ›› 2013, Vol. 07 ›› Issue (03) : 179 -182. doi: 10.3877/cma.j.issn.1647-0793.2013.03.004

所属专题: 文献

论著

正常成人胰岛移植治疗糖尿病的实验研究
杨学伟1,(), 向广阳1, 王业增1, 蒋小峰1, 薛平1   
  1. 1. 510260 广州医学院第二附属医院肝胆外科
  • 收稿日期:2013-01-28 出版日期:2013-06-01
  • 通信作者: 杨学伟
  • 基金资助:
    广东省科技计划项目(2012B013800246)

Experimental research of treatment of diabetes using islets from adult pancreata

Xue-wei YANG1,(), Guang-yang XIANG1, Ye-zeng WANG1, Xiao-feng JIANG1, Ping XUE1   

  1. 1. Department of Surgery, the Second Affiliated Hospital of Guangzhou Medical University, Guangzhou 510260, China
  • Received:2013-01-28 Published:2013-06-01
  • Corresponding author: Xue-wei YANG
  • About author:
    Corresponding author: YANG Xue-wei, Email:
引用本文:

杨学伟, 向广阳, 王业增, 蒋小峰, 薛平. 正常成人胰岛移植治疗糖尿病的实验研究[J]. 中华普通外科学文献(电子版), 2013, 07(03): 179-182.

Xue-wei YANG, Guang-yang XIANG, Ye-zeng WANG, Xiao-feng JIANG, Ping XUE. Experimental research of treatment of diabetes using islets from adult pancreata[J]. Chinese Archives of General Surgery(Electronic Edition), 2013, 07(03): 179-182.

目的

探讨正常成人胰岛移植治疗糖尿病的作用。

方法

2012年1月至2013年1月健康成人胰腺供体共13例。获取胰腺后经胶原酶消化并进行胰岛提取纯化,将纯化后的胰岛移植到糖尿病裸鼠肾包膜下为实验组,生理盐水代替胰岛移植为对照组,各13只。术后通过检测糖尿病裸鼠的血糖变化和组织学检查来判定胰岛移植后的存活情况和纠正血糖的效果。

结果

成人胰腺消化后胰岛产量为纯化前(3608±403)IEQ /g,纯化后(2820±318)IEQ/g,纯度为85%。实验组84.6%(11/13)糖尿病裸鼠在移植术后第1天,血糖降至正常,对照组血糖无明显变化。两组糖尿病裸鼠存活时间:实验组存活时间35~57 d,中位存活时间46 d。对照组存活时间5~12 d,中位存活时间7 d。两组比较差异具有统计学意义,Log-rank (Mantel-Cox)值为8.74,P值为0.0012。

结论

成人胰腺消化后,可得到高纯度活力正常的胰岛,并能纠正糖尿病裸鼠的高血糖。正常成人胰岛移植可能成为临床糖尿病患者的一种有效治疗方法。

Objective

To investigate the efficiency of adult pancreatic islets in the treatment of diabetic patients.

Methods

Thirteen adult donor panceata were used for this study. After collagenase digestion, the islets were isolated and purified followed by transplantation into diabetes SPF nude mice. Control group were transplanted by normal saline solution. Islet graft survival was monitored by the detection of glucose changes in diabetic mice and histological examination.

Results

Islet yield was (3608±403) IEQ /g in this study, while that was (2820±318)IEQ/g after purification with a purity of 85%. The blood glucose of 84.6% diabetic mice decreased to normal in the first day post-transplantation. Normal blood glucose level maintained for a long time. There was significant difference in the Kaplan-Meier analysis for the islet survival (P = 0.0012).

Conclusion

The adult donor pancreas is an ideal source for islet transplantation due to high yield and good function with a high purity and viability to correct the diabetic nude mice blood glucose level.

图1 纯化前的胰岛(左)和纯化后胰岛(右)(DTZ染色,×100)
图2 移植后的裸鼠肾包膜下胰岛(HE染色,×100)
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