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在体内,维生素D的基因相互连接着先天免疫的关键信号通路
Julia Jaroslawska1, Ranjini Ghosh Dastidar1, Carsten Carlberg1,2
1Institute of Animal Reproduction and Food Research, Polish Academy of Sciences, Olsztyn, Poland.
PloS one
|July 23, 2024
概括
维生素D通过调节免疫路径中的关键基因来调节天生的免疫力. 这项研究揭示了维生素D如何影响体内炎症和细胞因子的释放,突出了免疫控制的特定向基因.
科学领域:
- 免疫学 免疫学 免疫学
- 内分泌学 在内分泌学.
- 分子生物学分子生物学
背景情况:
- 1,25-二氧维生素D3 (1,25(OH) 2D3) 和它的受体VDR调节平衡和免疫系统.
- 像单细胞这样的先天性免疫细胞利用VDR进行分化,对维生素D有反应.
- 之前的研究主要使用超生理剂量的体外研究,限制了对体内效应的理解.
研究的目的:
- 调查维生素D对健康个体天生的免疫力在体内基因调节效应的研究.
- 为了确定维生素D的基因及其参与主要的先天免疫路径.
- 阐明维生素D在生理条件下影响免疫反应的机制.
主要方法:
- 来自VitDHiD研究 (NCT03537027) 外周血液单核细胞 (PBMC) 中的452个体内维生素D基因的分析.
- 个体接受了一个单一的80,000 IU维生素D3玻尿酸.
- 识别与先天免疫相关的八个主要KEGG通路中的基因,并根据诱导性,表达和通路参与进行排名.
主要成果:
- 在452个已识别的维生素D标基因中,有61个参与了8个主要的先天性免疫路径.
- 在体内,维生素D抑制了五种通路,稳定了两种,并提高了一种,共同控制了急性炎症和细胞因子释放.
- 已发现的关键基因包括NFKBIA,FOSL2,PIK3R1,CLEC7A,DUSP6,NCF2,PLCB1,PLCG2和TNFAIP3. 这三种基因.
结论:
- 维生素D在体内对健康成年人的先天免疫的影响涉及特定免疫通路的网络.
- 这些途径包括中性粒细胞外细胞陷的形成,TLR,化学激素,细胞体,NLR,CLR,亡,和IL-17信号传递.
- 免疫调节是由关键的维生素D标基因编码的一组定义的蛋白质调节的.
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