一项关于通过克隆性血液形成中的炎症途径调节骨关节炎风险的前性研究
Ping Li1, Zijian Kang2, Ruiqi Ma3
1College of Biological Science and Medical Engineering, Donghua University, Shanghai, 201620, China.
GeroScience
|August 19, 2025
概括
不确定潜力的克隆性血液形成 (CHIP) 与患骨关节炎 (OA) 的风险更高有关. CHIP可能会通过炎症和免疫反应恶化OA,建议新的预防策略.
科学领域:
- 遗传学和基因组学 遗传学和基因组学
- 免疫学 免疫学 免疫学
- 类风湿病学 类风湿病学
背景情况:
- 骨关节炎 (OA) 是一种常见的退行性关节疾病,影响软骨,炎症和骨.
- 不确定潜力的克隆性血液形成 (CHIP) 涉及没有恶性病变的血液细胞中的与癌症相关的基因变异.
- 由于CHIP诱导的炎症和OA发作之间的联系尚不清楚.
研究的目的:
- 调查不确定潜力的克隆性血液形成 (CHIP) 作为骨关节炎 (OA) 的潜在危险因素.
- 确定与CHIP和OA相关的蛋白质标记物和生物通路.
主要方法:
- 从45,380名没有OA的英国生物库参与者的整体外体测序 (WES) 数据.
- 多变量考克斯回归模型来评估CHIP和事件OA之间的关联.
- 对蛋白质数据集进行丰富和调解分析,以确定与CHIP和OA相关的途径.
主要成果:
- 与没有CHIP的个人相比,CHIP的个人表现出较高的OA发病率.
- 变异性等位基频率 (VAF) >10%的CHIP显著增加了OA风险 (HR, 1.46).
- 多关节性和关节性OA与CHIP最强烈相关;共同的途径包括炎症和细胞外矩阵组织.
- 七种特定的蛋白质 (CD5,CD79B,CEACAM1,FOLR2,LILRA5,SIRPB1,TXNDC15) 与CHIP对OA的影响有关.
结论:
- 不确定潜力的克隆性血液形成 (CHIP) 与发生性骨关节炎 (OA) 的风险增加有显著关联.
- 通过炎症和免疫反应途径,CHIP可能会加剧OA的进展.
- 这些发现提供了有关骨关节炎病原体的见解,也是早期预防的基础,尽管因果关系需要进一步调查.
相关概念视频
Regulation of Hematopoietic Stem Cells
3.3K
All blood and immune cells are produced from the multipotent hematopoietic stem cells (HSCs) by the process of hematopoiesis. However, they all have a limited life span. In addition, many are depleted in immune surveillance or combatting an injury or infection. This makes blood one of the most regenerative tissues. Hematopoiesis helps replenish these blood and immune cells, restoring the body's normal functioning. However, overproduction of blood and immune cells can make them cancerous or...
3.3K
Role of Hematopoietic Growth Factors
1.7K
Hematopoietic growth factors are molecules that regulate the differentiation rate of hematopoietic stem cells (HSCs). Erythropoietin (EPO), primarily produced by the kidneys, plays a crucial role in erythrocyte production. When oxygen levels in the blood are low, EPO is released into the bloodstream, reaching the bone marrow, where it stimulates HSCs to differentiate and mature into erythrocytes, which are vital for oxygen transport.
Thrombopoietin (TPO), mainly released by the liver,...
Thrombopoietin (TPO), mainly released by the liver,...
1.7K
The JAK-STAT Signaling Pathway
9.2K
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...
9.2K
Inflammatory Response
7.1K
An inflammatory response is a localized, nonspecific immune reaction that occurs when a tissue is injured. It is characterized by redness, swelling, heat, and pain, which are commonly called the cardinal signs and symptoms of inflammation. Inflammation can sometimes result in a loss of function.
Inflammation can be triggered by various stimuli, such as impact, abrasion, chemical irritation, infections, and extreme hot or cold temperatures. These can damage cells and connective tissue fibers,...
Inflammation can be triggered by various stimuli, such as impact, abrasion, chemical irritation, infections, and extreme hot or cold temperatures. These can damage cells and connective tissue fibers,...
7.1K
Osteoclasts in Bone Remodeling
3.2K
Osteoclasts are cells responsible for bone resorption and remodeling. They originate from hematopoietic progenitor cells present in the bone marrow. Numerous progenitor cells fuse to form multinucleated cells, each with 10-20 nuclei. A single osteoclast has a diameter of 150 to 200 µM. These cells have ruffled borders that break down the underlying bone tissue and release minerals such as calcium into the blood in bone resorption. Osteoclasts cling to bones with their ruffled edges during...
3.2K
Overview of Hematopoiesis
4.7K
Hematopoiesis, or blood cell production, is a vital biological process that begins early in embryonic development and continues throughout life. This process generates the various types of cells found in blood, including red blood cells, white blood cells, and platelets from hematopoietic stem cells (HSCs).
Developmental Phases of Hematopoiesis
Initially, HSCs are formed in the embryonic yolk sac, a critical site for early blood cell production. These stem cells subsequently migrate to other...
Developmental Phases of Hematopoiesis
Initially, HSCs are formed in the embryonic yolk sac, a critical site for early blood cell production. These stem cells subsequently migrate to other...
4.7K


