Transcriptomics

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IGF-1 activated pathways in orbital fibroblasts


ABSTRACT: Orbital fibroblasts (OFs) are central to thyroid eye disease (TED) pathogenesis. Elevated insulin-like growth factor 1 receptor (IGF-1R) in TED OFs contributes to disease progression, but underlying mechanisms remain unclear. To elucidate IGF-1R-mediated signaling in OFs, we performed RNA-seq analysis after IGF-1 stimulation. Our data reveal that IGF-1 induces gene expression associated with cell proliferation, microtubule dynamics, and lipid metabolism while suppressing cell adhesion, senescence, and chromatin remodeling. Validation studies confirmed upregulation of CRABP2, a key regulator of retinoic acid signaling, and its role in IGF-1-induced OF migration. These findings uncover novel IGF-1R downstream effectors, providing insights into TED pathophysiology and potential therapeutic targets.

ORGANISM(S): Homo sapiens

PROVIDER: GSE276265 | GEO | 2024/09/08

REPOSITORIES: GEO

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