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相关概念视频

The JAK-STAT Signaling Pathway01:20

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Several cytokine receptors have tightly bound Janus kinase or JAK proteins attached at their cytosolic tail. Small signaling molecules such as cytokines, growth hormones, or prolactins bind to the cytokine receptors and initiate their dimerization. The dimerization brings the cytosolic JAKs together that trans-phosphorylate and activates each other. The activated JAKs now phosphorylate cytosolic tails of the cytokine receptors, which serve as binding sites for adaptor proteins such as  SH2...
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Causality or causation is a fundamental concept in epidemiology, vital for understanding the relationships between various factors and health outcomes. Despite its importance, there's no single, universally accepted definition of causality within the discipline. Drawing from a systematic review, causality in epidemiology encompasses several definitions, including production, necessary and sufficient, sufficient-component, counterfactual, and probabilistic models. Each has its strengths and...
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Autoimmune diseases are a group of disorders in which the body's immune system mistakenly attacks its own cells, tissues, and organs. This results from an overactive immune response against substances and tissues normally present in the body. Let's delve into the concept and mechanism of autoimmune diseases from an immune system point of view, explore different causes and examples of such diseases, and discuss potential solutions.
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Updated: Jun 19, 2025

Candidate Gene Testing in Clinical Cohort Studies with Multiplexed Genotyping and Mass Spectrometry
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探索循环中的细胞因子和亚托皮炎之间的因果关系:双向的双样本孟德尔随机化研究.

Zhenquan Xuan1,2,3, Xuanyi Chen1,2,3, Weinan Zhou1,2,3

  • 1Dermatology Center, Xinhua Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China.

Frontiers in immunology
|July 26, 2024
PubMed
概括

这项研究使用了门德尔的随机化来研究91种细胞因子和亚托皮炎 (AD) 之间的因果关系. 包括IL-13在内的几种细胞因子被确定为AD的潜在原因,而其他可能是后果.

关键词:
门德尔的随机化亚托邦性皮肤炎的发生.细胞因子 细胞因子免疫疗法 免疫疗法这是一种炎症炎症炎症炎症.

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科学领域:

  • 免疫学 免疫学 免疫学
  • 遗传学 遗传学 是一个
  • 皮肤病学 皮肤病学

背景情况:

  • 观察性研究表明细胞因子和亚托皮炎 (AD) 之间存在关联,但因果关系尚不清楚.
  • 了解这些联系对于开发针对阿尔茨海默病的向疗法至关重要.

研究的目的:

  • 探索循环中的91种细胞因子和阿托皮性皮肤炎 (AD) 之间的因果关系和作用方向.

主要方法:

  • 两个样本的门德尔随机化 (MR) 分析使用全基因组关联研究 (GWAS) 总结统计数据进行.
  • 反向MR分析调查了潜在的反向因果关系.
  • 使用转录组和外围血液单核细胞 (PBMCs) 数据进行质性,异质性测试和验证,评估了强度.

主要成果:

  • 几种细胞因子,包括互乐金 (IL) -13,IL-18受体1,瘤坏死因子连接体超级家族成员14 (TNFSF14) 和与TNF相关的激活诱导的细胞因子 (TRANCE) 暗示与AD风险相关.
  • 一些细胞因子,如Axin-1和CXCL5,被认为是AD的后果.
  • IL-13,IL-18R1,TNFSF14和TRANCE在AD患者的损伤皮肤和PBMC中都显示出调节.

结论:

  • 特定的细胞因子 (IL-13,IL-18R1,TNFSF14,TRANCE,CXCL11,IL-33,TNF-β,CD5) 似乎是AD发展的上游因素.
  • 循环中的细胞因子的一个子集可能是AD的下游后果.