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首页> 外文期刊>Proceedings of the National Academy of Sciences of the United States of America >Chronic stress and age-related increases in the proinflammatory cytokine IL-6
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Chronic stress and age-related increases in the proinflammatory cytokine IL-6

机译:慢性应激和与年龄相关的促炎性细胞因子IL-6升高

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Overproduction of IL-6, a proinflammatory cytokine, is associated with a spectrum of age-related conditions including cardiovascular disease, osteoporosis, arthritis, type 2 diabetes, certain cancers, periodontal disease, frailty, and functional decline. To describe the pattern of change in IL-6 over 6 years among older adults undergoing a chronic stressor, this longitudinal community study assessed the relationship between chronic stress and IL-6 production in 119 men and women who were caregiving for a spouse with dementia and 106 noncaregivers, with a mean age at study entry of 70.58 (SD = 8.03) for the full sample. On entry into this portion of the longitudinal study, 28 of the caregivers' spouses had already died, and an additional 50 of the 119 spouses died during the 6 years of this study. Levels of IL-6 and health behaviors associated with IL-6 were measured across 6 years. Caregivers' average rate of increase in IL-6 was about four times as large as that of noncaregivers. Moreover, the mean annual changes in IL-6 among former caregivers did not differ from that of current caregivers even several years after the death of the impaired spouse. There were no systematic group differences in chronic health problems, medications, or health-relevant behaviors that might have accounted for caregivers' steeper IL-6 slope. These data provide evidence of a key mechanism through which chronic stressors may accelerate risk of a host of age-related diseases by prematurely aging the immune response. [References: 52]
机译:IL-6(促炎性细胞因子)的过量生产与多种年龄相关的疾病相关,包括心血管疾病,骨质疏松症,关节炎,2型糖尿病,某些癌症,牙周疾病,虚弱和功能下降。为了描述接受慢性应激的老年人在过去6年中IL-6的变化模式,这项纵向社区研究评估了119名照顾老年痴呆症配偶的男性和女性的慢性应激与IL-6产生之间的关系。 106名非看护者,整个样本的平均年龄为70.58(SD = 8.03)。在进入纵向研究的这一部分时,护理人员的28名配偶已经死亡,在此研究的6年中,119名配偶中有50名死亡。在6年中测量了IL-6的水平以及与IL-6相关的健康行为。护理人员的平均IL-6增长率约为非护理人员的四倍。而且,即使是在残障者去世后的数年中,以前的照料者中IL-6的年均变化与现在的照料者也没有差异。在慢性健康问题,药物或与健康相关的行为方面,没有系统的群体差异,这可能是看护人的IL-6斜率更大的原因。这些数据提供了关键机制的证据,慢性应激源可通过该关键机制通过使免疫反应过早老化来加快许多与年龄有关的疾病的风险。 [参考:52]

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