ALTERED ANTIGEN EXPRESSION OF MICROGLIA IN THE AGED RODENT CNS

被引:296
作者
PERRY, VH
MATYSZAK, MK
FEARN, S
机构
[1] University Department of Pharmacology, University of Oxford, Oxford, OX1 3QT, Mansfield Road
基金
英国惠康基金;
关键词
MACROPHAGE; AGING; UP-REGULATION;
D O I
10.1002/glia.440070111
中图分类号
Q189 [神经科学];
学科分类号
071006 ;
摘要
Microglia, the resident macrophages of the central nervous system, are characterised by a highly specialized morphology and unusual antigenic phenotype. Microglia appear to be downregulated by their microenvironment when compared to other tissue macrophages. We have studied the microglia in brains of healthy, aged rats with a panel of monoclonal antibodies. We have found that microglia in the brains of these aged rats express antigens that are downregulated or absent from microglia of juvenile rats. The stimuli which give rise to this upregulated phenotype are not known. Age related changes in the phenotype of microglia should be taken into account when considering the possible role of microglia in neuropathological conditions.
引用
收藏
页码:60 / 67
页数:8
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