Pluto Bioinformatics

GSE85170: MEK inhibition rewires enhancer landscapes in RAS-driven Rhabdomyosarcoma to unlock a myogenic differentation block

Bulk RNA sequencing

Trametinib-treated rhabdomyosarcoma cells undergo transcriptional reprogramming akin to myogenic differentiation. This reprogramming is induced by loss of ERK-mediated inhibition of MYOG expression. Restoration of MYOG allows establishment of super-enhancers at genes expressed by terminally differentiated myotubes. Our findings demonstrate that aberrant MAP kinase activity blocks differentiation in rhabdomyosarcoma and highlight trametinib as a potential therapeutic for RAS-mutated rhabdomyosarcoma. SOURCE: Javed Khan ( - Javed Khan NCI, NIH

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