Transcriptomics

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Small molecule inhibition of multiple RNA binding proteins underlies Musashi-2 independent phenotypes


ABSTRACT: RNA binding proteins (RBPs) are key regulators of normal and pathological gene expression. Small molecules targeting RBP-RNA interactions are a rapidly emerging class of therapeutics. Ro-08-2750 (Ro) was previously identified as a competitive inhibitor of Musashi-RNA interactions. Here we show Ro potently inhibits steroidogenesis and viability independent of Musashi-2 in multiple cell lines. We identified Ro-interacting proteins using an unbiased proteome-wide approach. Other RBPs were a prominent class of Ro-interacting proteins and leveraging large-scale ENCODE data we found a subset of these phenocopy Ro inhibition. We provide a general framework for validating the specificity and identifying targets of RBP inhibitors in a cellular context.

ORGANISM(S): Homo sapiens

PROVIDER: GSE213218 | GEO | 2022/09/14

REPOSITORIES: GEO

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