期刊
IMMUNITY & AGEING
卷 15, 期 -, 页码 -出版社
BMC
DOI: 10.1186/s12979-018-0131-x
关键词
Immunosenescence; Aging; CVD; Inflammation; ESRD
资金
- Far Eastern Memorial Hospital [FEMH-2015-C-007]
- Ministry of Science and Technology [104-2314-B-418-017, 105-2314-B-418-002]
- Far Eastern Memorial Hospital-National Taiwan University [104-FTN17]
- Far Eastern Memorial Hospital-National Yang Ming University [105-FN13, 106-DN13]
BackgroundPatients with end-stage renal disease (ESRD) exhibit a premature aging phenotype of the immune system. Nevertheless, the etiology and impact of these changes in ESRD patients remain unknown.ResultsCompared to healthy individuals, ESRD patients exhibit accelerated immunosenescence in both T cell and monocyte compartments, characterized by a dramatic reduction in naive CD4+ and CD8+ T cell numbers but increase in CD8+ T-EMRA cell and proinflammatory monocyte numbers. Notably, within ESRD patients, aging-related immune changes positively correlated not only with increasing age but also with longer dialysis vintage. In multivariable-adjusted logistic regression models, the combination of high terminally differentiated CD8+ T cell level and high intermediate monocyte level, as a composite predictive immunophenotype, was independently associated with prevalent coronary artery disease as well as cardiovascular disease, after adjustment for age, sex, systemic inflammation and presence of diabetes. Levels of terminally differentiated CD8+ T cells also positively correlated with the level of uremic toxin p-cresyl sulfate.ConclusionsAging-associated adaptive and innate immune changes are aggravated in ESRD and are associated with cardiovascular diseases. For the first time, our study demonstrates the potential link between immunosenescence in ESRD and duration of exposure to the uremic milieu.
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