期刊
JOURNAL OF NEUROINFLAMMATION
卷 5, 期 -, 页码 -出版社
BMC
DOI: 10.1186/1742-2094-5-51
关键词
-
资金
- Clinical Scientist Career Development Award [1K08MH082642-01A1]
- NIH/NIA [4R00AG029726-02]
- [NIMH K08]
Recently, the term inflammaging was coined by Franceshci and colleagues to characterize a widely accepted paradigm that ageing is accompanied by a low-grade chronic up-regulation of certain proinflammatory responses. Inflammaging differs significantly from the traditional five cardinal features of acute inflammation in that it is characterized by a relative decline in adaptive immunity and Thelper 2 responses and is associated with increased innate immunity by cells of the mononuclear phagocyte lineage. While the over-active innate immunity characteristic of inflammaging may remain subclinical in many elderly individuals, a portion of individuals (postulated to have a high responder inflammatory genotype) may shift from a state of normal or subclinical inflammaging to one or more of a number of age-associated diseases. We and others have found that IFN-gamma and other pro-inflammatory cytokines interact with processing and production of A beta peptide, the pathological hallmark feature of Alzheimer's disease (AD), suggesting that inflammaging may be a prodrome to AD. Although conditions of enhanced innate immune response with overproduction of pro-inflammatory proteins are associated with both healthy aging and AD, it is suggested that those who age well demonstrate anti-inflammaging mechanisms and biomarkers that likely counteract the adverse immune response of inflammaging. Thus, opposing the features of inflammaging may prevent or treat the symptoms of AD. In this review, we fully characterize the aging immune system. In addition, we explain how three novel treatments, (1) human umbilical cord blood cells (HUCBC), (2) flavanoids, and (3) A beta vaccination oppose the forces of inflammaging and AD-like pathology in various mouse models.
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