Age, sex, and regional differences in scavenger receptor CD36 in the mouse brain: Potential relevance to cerebral amyloid angiopathy and Alzheimer's disease.
Title
Age, sex, and regional differences in scavenger receptor CD36 in the mouse brain: Potential relevance to cerebral amyloid angiopathy and Alzheimer's disease.
Creator
Edler MK; Johnson CT; Ahmed HS; Richardson JR
Publisher
The Journal of Comparative Neurology
Date
2020
2020-12-14
Description
Scavenger receptor CD36 contributes significantly to lipid homeostasis, inflammation, and amyloid deposition, while CD36 deficiency is associated with restored cerebrovascular function in an Alzheimer's disease (AD) mouse model. Yet the distribution of CD36 has not been examined in the brain. Here, we characterized CD36 gene and protein expression in the brains of young, middle aged, aged, and elderly male and female C57BL/6J mice. Age-related increases in CD36 mRNA expression were observed in the male hippocampus and female midbrain. Additionally, male mice had greater CD36 mRNA expression than females in the striatum, hippocampus, and midbrain. CD36 protein was primarily expressed intravascularly, and this expression differed by region, age, and sex in the mouse brain. Although male mice brains demonstrated an increase in CD36 protein with age in several cortices, basal ganglia, hippocampus, and midbrain, a decrease with age was observed in female mice in the same regions. These data suggest that distinctive age, region, and sex expression of CD36 in the brain may contribute to Aβ deposition and neuroinflammation in AD.
Subject
brain; aging; mouse; Alzheimer's disease; cerebral amyloid angiopathy; vasculature; CD36; Alzheimer' s disease
Identifier
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Format
journalArticle
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ISSN
1096-9861 0021-9967
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Update Year & Number
January 2021 List
Citation
Edler MK; Johnson CT; Ahmed HS; Richardson JR, “Age, sex, and regional differences in scavenger receptor CD36 in the mouse brain: Potential relevance to cerebral amyloid angiopathy and Alzheimer's disease.,” NEOMED Bibliography Database, accessed June 8, 2023, https://neomed.omeka.net/items/show/11510.