肠道病毒感染与2型糖尿病无关
Huan Liu1,2, Shirin Geravandi1,2, Ausilia Maria Grasso1
1Centre for Biomolecular Interactions Bremen, University of Bremen, Bremen, Germany.
Frontiers in endocrinology
|November 29, 2023
概括
没有发现肠道病毒RNA与胰腺的2型糖尿病 (T2D) 有关. 虽然炎症在1型糖尿病 (T1D) 和T2D中都是常见的,但肠道病毒透是T1D的特征.
科学领域:
- 免疫学 免疫学 免疫学
- 病毒学 病毒学
- 内分泌学 在内分泌学.
背景情况:
- 一个多世纪以来,肠道病毒感染与自身免疫和1型糖尿病 (T1D) 有关.
- 病毒反应途径,包括细胞因子风暴,可以引发炎症并损害易受伤害的细胞,特别是胰腺中的β细胞.
- 虽然T1D的遗传因素与干扰素途径有关,但T2D遗传通常涉及葡萄糖平衡,不太重视病毒反应途径.
研究的目的:
- 调查2型糖尿病 (T2D) 患者胰腺中肠道病毒RNA的存在.
- 为了确定胰腺中的肠道病毒RNA是否与T2D疾病进展有关.
主要方法:
- 分析了29名T2D捐赠者和15名匹配对照者的胰腺.
- 单分子光in-situ杂交被用于检测肠道病毒RNA.
- 胰腺部分与胰岛素和CD45一起染色,以识别免疫细胞和β细胞.
主要成果:
- 在T2D和对照胰腺之间没有发现肠道病毒RNA存在或局部的显著差异.
- 病毒透在两组中都有很大的变化,主要是在外分胰腺.
- 肠道病毒RNA很少在小岛内发现或与免疫细胞相关;一个T2D捐赠者具有与减少β细胞相关的高病毒载荷.
结论:
- 胰腺的肠道病毒感染与T2D无关.
- 长期肠道病毒透是T1D相关自身免疫的一个明显的病理特征,尽管有类似的炎症标志物,但它与T2D有区别.
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