Transcriptomics

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Single Cell Transcriptomic Analysis of Popliteal Lymphatic Vessels and Peripheral Veins with Smooth Muscle Cell Enrichment in TNF-Tg vs WT Mice


ABSTRACT: Lymphatic dysfunction exists in tumor necrosis factor transgenic (TNF-Tg) mice and rheumatoid arthritis (RA) patients. While joint-draining TNF-Tg popliteal lymphatic vessels (PLVs) have deficits in contractility during end-stage arthritis, the nature of lymphatic muscle cells (LMCs) and their TNF altered transcriptome remain unknown. Thus, we performed single-cell RNA-sequencing (scRNAseq) on TNF-Tg vs wild-type peripheral vasculature. We utilized strategic enrichment for smooth muscle cells using a Cspg4-Cre;tdTomato reporter model, and through post-hoc analysis we validated the ability to enrich for these tdTomato+ populations based on scatter alone. As such, we evaluated changes in LMC populations vs vascular smooth muscle cells (VSMCs), and dynamic changes in peri-vascular immune cell populations during chronic inflammatory-erosive arthritis.

ORGANISM(S): Mus musculus

PROVIDER: GSE190999 | GEO | 2022/03/07

REPOSITORIES: GEO

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