Transcriptomics

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Loss of Inpp5d has disease-relevant and sex-specific effects on glial transcriptomes


ABSTRACT: INTRODUCTION: INPP5D is genetically associated with Alzheimer’s disease risk. Loss of Inpp5d alters amyloid pathology in models of amyloidosis. Inpp5d is predominantly expressed in microglia but its function in brain is poorly understood. METHODS: We performed single-cell RNA-sequencing to study the effect of Inpp5d loss on wild-type mouse brain transcriptomes. RESULTS: Loss of Inpp5d has sex-specific effects on the brain transcriptome. Affected genes are enriched for multiple neurodegeneration terms. Network analyses reveal a gene co-expression module centered around Inpp5d in female mice. Inpp5d loss alters PTN, PSAP, and VEGFA signaling probability between cell types. DISCUSSION: Our data suggest Inpp5d’s normal function is entangled with mechanisms involved in neurodegeneration. We report the effect of Inpp5d loss without pathology and show that this has dramatic effects on gene expression. Our study provides a critical reference for researchers of neurodegeneration, allowing separation of disease-specific changes mediated by Inpp5d in disease from baseline effects of Inpp5d loss.

ORGANISM(S): Mus musculus

PROVIDER: GSE254999 | GEO | 2024/06/26

REPOSITORIES: GEO

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