Diversity of transcriptomic microglial phenotypes in aging and Alzheimer's disease.

Diversity of transcriptomic microglial phenotypes in aging and Alzheimer's disease.
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衰老和阿尔茨海默病小胶质细胞转录型的多样性。

DOI:
10.1002/alz.12389
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发表时间:
2022-03
影响因子:
14
通讯作者:
Gordon, Marcia N.
Gordon, Marcia N.
中科院分区:
医学1区
文献类型:
--
作者:
Boche, Delphine;Gordon, Marcia N.

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一百年来,小胶质细胞的形态可塑性一直让神经科学家着迷。由于内源性脑小胶质细胞和在病理条件下可以进入大脑的外周骨髓细胞之间的相似性,对功能表型进行分类的尝试受到阻碍。单细胞组学方法学的最新进展导致有关小胶质细胞基因表达的数据激增。在此,我们回顾了健康大脑、衰老和阿尔茨海默病中小胶质细胞表型的多样性,确定了证据中的知识差距,并提出了新知识有用的领域。对人类样本和小鼠模型的数据进行比较和对比。了解小胶质细胞反应库的分子复杂性将为阿尔茨海默病的治疗提供新途径。
The morphological plasticity of microglia has fascinated neuroscientists for 100 years. Attempts to classify functional phenotypes are hampered by similarities between endogenous brain microglia and peripheral myeloid cells that can enter the brain under pathological conditions. Recent advances in single cell -omic methodologies have led to an explosion of data regarding gene expression in microglia. Herein, we review the diversity of microglial phenotypes in healthy brain, aging and Alzheimer’s disease, identify knowledge gaps in the body of evidence and suggest areas where new knowledge would be useful. Data from human samples and mouse models are compared and contrasted. Understanding the molecular complexity of the microglial response repertoire will suggest new avenues for therapeutic treatments in Alzheimer’s disease.
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