移植后葡萄糖耐受性受损的正常化与β细胞功能改善有关
Maiko Miyamoto1, Akinobu Nakamura1, Aika Miya1
1Department of Rheumatology, Endocrinology and Nephrology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan.
概括
患有葡萄糖耐受性损害的移植接受者经常看到手术后葡萄糖水平的改善,这与更好的β细胞功能有关,而不是胰岛素耐药性. 更高的移植前葡萄糖水平与更大的移植后β细胞功能改善相关.
科学领域:
- 腎臟病學 (nephrology) 是一種醫學專業.
- 内分泌学 在内分泌学.
- 代谢研究研究 代谢研究
背景情况:
- 超过50%的移植接受者在移植前患有葡萄糖耐受性损害 (IGT) 经历了移植后改善的葡萄糖耐受性.
- 这种改善葡萄糖耐受性的潜在机制尚不清楚.
- 了解这些机制对于管理移植受体的代谢健康至关重要.
研究的目的:
- 为了研究葡萄糖耐受性和β细胞功能的变化与日本移植接受者与移植前IGT的胰岛素抵抗之间的关联.
- 确定影响移植后葡萄糖耐受性改善的因素.
主要方法:
- 对54名接受脏移植的接受者进行分析,在265名患者中接受了移植前的IGT.
- 根据口服葡萄糖耐受性测试 (OGTT) 结果将其分为改善和不改善组.
- 使用胰岛素分泌敏感度指数-2 (ISSI-2) 和排放指数 (DI) 评估β细胞功能.
- 使用马苏达指数 (MI) 评估胰岛素耐药性和胰岛素耐药性的恒温模型评估 (HOMA-IR).
主要成果:
- 在改善葡萄糖耐受性组 (P < 0.01,P < 0.05) 中,在移植后观察到ISSI-2和DI的显著增加.
- 在各组之间没有发现MI或HOMA-IR的显著变化.
- 更高的移植前60分钟OGTT血葡萄糖水平与ISSI-2和DI的更大改善有关 (P<0.01).
- 移植后血尿酸 (BUN) 减少与非透析接受者的改善DI相关 (r = -0.48,P < 0.05).
结论:
- 在接受移植前IGT的接受者中,移植后葡萄糖耐受性的改善主要与增强的β细胞功能有关.
- 葡萄糖耐受性改善的程度受移植前60分钟OGTT血葡萄糖水平的影响.
- 移植后的BUN变化也可能在改善β细胞功能方面发挥作用.
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