Transcriptomics

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The KEAP1-NRF2 pathway regulates TFEB/TFE3-dependent lysosomal biogenesis [RNA-seq: HepG2 cells sitfebtfe3]


ABSTRACT: Under homeostatic conditions, NRF2 is repressed by Kelch-like ECH-associated protein 1 (KEAP1). Here, we demonstrate that Keap1 deficiency induces Nrf2 activation and post-developmental lethality in zebrafish larvae. Loss of viability is preceded by severe liver abnormalities characterized by an accumulation of lysosomes. Mechanistically, we demonstrate that loss of Keap1 promotes aberrant activation of transcription factor EB (TFEB)/transcription factor binding to IGHM Enhancer 3 (TFE3)-dependent lysosomal biogenesis. Importantly, we find that NRF2-dependent regulation of lysosomal biogenesis is cell autonomous and evolutionarily conserved.

ORGANISM(S): Homo sapiens

PROVIDER: GSE230609 | GEO | 2023/04/30

REPOSITORIES: GEO

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