[在中国18个长寿地区,65岁及以上的老年人中,身体组成与高灵敏度C反应蛋白之间的关联]
1Department of Epidemiology, School of Public Health, Southern Medical University, Guangzhou 510515, China China CDC Key Laboratory of Environment and Population Health, National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, Beijing 100021, China.
Zhonghua liu xing bing xue za zhi = Zhonghua liuxingbingxue zazhi
|January 21, 2026
概括
较高的肌肉质量可能会降低老年人的炎症风险,而增加的身体脂肪会加剧炎症. 保持最佳的身体组成是减少全身炎症的关键,观察到显著的性别特异性差异.
科学领域:
- 老年学是一门学科.
- 衰老的生物标志物
- 炎症研究 炎症研究
背景情况:
- 高敏感性C反应蛋白 (hs-CRP) 是一种与老年人不良健康结果相关的炎症标志物.
- 身体组成,包括肌肉和脂肪质量,在代谢健康和炎症中起作用.
- 了解这些关联对于开发针对老龄化人口的有针对性的干预措施至关重要.
研究的目的:
- 研究中国老年人 (≥65岁) 关键体质成分指标与高hs-CRP水平之间的关系.
- 探索身体组成和炎症之间的关系中的潜在的性别特异性差异.
- 为了确定减轻老年人群炎症风险的身体组成目标.
主要方法:
- 采用2021年中国健康衰老和生物标志物队列研究的数据进行横截面研究.
- 包括4,596名老年人,包括人口统计数据,生活方式,认知功能和病史.
- 通过生物电阻分析测量身体组成 (肌肉质量,脂肪质量,身体脂肪百分比,内脏脂肪) 和通过免疫度测量测量hs-CRP水平.
主要成果:
- 较高的肌肉质量与升高hs-CRP的风险降低有关 (Q4与Q1:OR=0.672).
- 增加的脂肪质量,体脂肪百分比和内脏脂肪显著与高hs-CRP风险相关 (Q4与Q1:ORs从1.432到1.738).
- 观察到性别特异性影响:较高的肌肉质量减少了男性的炎症风险,而较高的脂肪质量增加了女性的风险.
结论:
- 保持较高的肌肉质量可能会保护老年人免受系统性炎症.
- 相反,增加的脂肪量,体脂百分比和内脏脂肪是hs-CRP升高的危险因素.
- 优化身体组成,考虑到性别特异性的细微差别,是减少老年人炎症的潜在策略.
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