Repression of telomere-associated genes by microglia activation in neuropsychiatric disease.
Repression of telomere-associated genes by microglia activation in neuropsychiatric disease.
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DOI:
10.1007/s00406-016-0750-1
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发表时间:
2017-08
影响因子:
4.7
通讯作者:
Gertz K
中科院分区:
文献类型:
--
作者:
Kronenberg G;Uhlemann R;Schöner J;Wegner S;Boujon V;Deigendesch N;Endres M;Gertz K
Microglia senescence may promote neuropsychiatric disease. This prompted us to examine the relationship between microglia activation states and telomere biology. A panel of candidate genes associated with telomere maintenance, mitochondrial biogenesis, and cell-cycle regulation were investigated in M1- and M2-polarized microglia in vitro as well as in MACS-purified CD11b+ microglia/brain macrophages from models of stroke, Alzheimer’s disease, and chronic stress. M1 polarization, ischemia, and Alzheimer pathology elicited a strikingly similar transcriptomic profile with, in particular, reduced expression of murine Tert. Our results link classical microglia activation with repression of telomere-associated genes, suggesting a new mechanism underlying microglia dysfunction.
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