Transcriptome analyses of brain arteries and microvessels in male and female mice reveal prominent olfactory receptor gene and protein expression.

ABSTRACT: We studied sex differences of large arteries (LAs: Circle of Willis, middle cerebral and basilar arteries) and microvessels (MVs: end arterioles, capillaries, and venules) in the brain circulation of young male/female C57Bl6/J mice and evaluated results using KEGG enrichment plots. Most surprising was the discovery of gene expression in KEGG olfactory transduction (olfactory receptors [ORs] and signaling pathways) which was predominant in LAs compared with MVs for both sexes, although expression was greater in males for most, but not all, ORs. Western blots demonstrated substantial protein levels of several ORs in both sexes. Immunofluorescence showed the prominent expression of ORs in the adventitia in a pattern resembling perivascular innervation. Female LAs manifested KEGG rib

SUBMITTER: Busija DW 

PROVIDER: S-EPMC12357831 | biostudies-literature | 2025 Aug

REPOSITORIES: biostudies-literature