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TFEB and TFE3 are key regulators of melanoma biology

ABSTRACT: Unlike MITF-M, the melanocyte-specific isoform of MITF, TFEB, TFE3 and non-melanocyte MITF isoforms are regulated primarily by mTORC1-mediated phosphorylation at the lysosome that promotes their cytoplasmic retention. As low levels of glucose or amino acids trigger down-regulation of MITF, it is likely that on nutrient limitation some MITF functions are assumed by TFE3 and TFEB, enabling MITFLow melanoma cells to survive and proliferate. The role TFEB and TFE3 in melanoma biology and their impact on MITF-driven proliferation is poorly understood.

ORGANISM(S): Mus musculus

PROVIDER: GSE270594 | GEO | 2025/09/03

REPOSITORIES: GEO

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