在有或没有1型糖尿病的成年人中,线粒体DNA拷贝数
Alicia J Jenkins1, Luke M Carroll2, Michael L H Huang3
1NHMRC Clinical Trials Centre, The University of Sydney, NSW, Australia; Department of Medicine, St. Vincent's Hospital, The University of Melbourne, VIC, Australia; Baker Heart and Diabetes Institute, Melbourne, VIC, Australia.
Diabetes research and clinical practice
|August 14, 2023
概括
线粒体DNA复制数 (mtDNA-cn) 在1型糖尿病 (T1D) 和患有病的成年人中较低. 在T1D中较低的mtDNA-cn与炎症和较高的HDL-C相关,这表明它在糖尿病并发症中起作用.
科学领域:
- 生物化学 生化学
- 遗传学 是一个遗传学.
- 内分泌学 在内分泌学.
背景情况:
- 线粒体损伤是糖尿病发展和并发症的一个已知的因素.
- 在1型糖尿病 (T1D) 中对线粒体DNA复制数 (mtDNA-cn) 的研究有限.
- 了解T1D中的mtDNA-cn可以提供有关疾病发病和进展的见解.
研究的目的:
- 调查T1D成人和非糖尿病对照 (CON) 中mtDNA-cn之间的关联.
- 探索mtDNA-cn与糖尿病并发症,炎症标志物和残留C水平之间的关系.
- 在T1D和CON组中确定影响mtDNA-cn的因素.
主要方法:
- 一项涉及178名患有T1D的成年人和132名非糖尿病对照者的横截面研究.
- 使用定量PCR (qPCR) 来测量全血mtDNA-cn.
- 进行了统计分析,以评估与临床参数和风险因素的关联.
主要成果:
- 与对照组相比,在T1D患者中观察到较低的mtDNA-cn (p < 0.0001).
- 患有脏疾病的T1D患者的mtDNA-cn显著低于没有的患者 (p = 0.02).
- 在T1D中,mtDNA-cn与年龄和炎症标志物 (sICAM-1) 相反相关,与HDL-C和可检测的C-相对正相关.
结论:
- 在T1D患者中,mtDNA-cn降低,特别是在患有脏并发症的人中.
- 研究结果表明mtDNA-cn与T1D的炎症,代谢控制 (C-) 和脂质概况 (HDL-C) 有关.
- 需要进一步研究mtDNA-cn在T1D中的临床和基础科学影响.
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