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- W4378952012 endingPage "2019.e6" @default.
- W4378952012 startingPage "2003" @default.
- W4378952012 abstract "Regulation of RNA substrate selectivity of m6A demethylase ALKBH5 remains elusive. Here, we identify RNA-binding motif protein 33 (RBM33) as a previously unrecognized m6A-binding protein that plays a critical role in ALKBH5-mediated mRNA m6A demethylation of a subset of mRNA transcripts by forming a complex with ALKBH5. RBM33 recruits ALKBH5 to its m6A-marked substrate and activates ALKBH5 demethylase activity through the removal of its SUMOylation. We further demonstrate that RBM33 is critical for the tumorigenesis of head-neck squamous cell carcinoma (HNSCC). RBM33 promotes autophagy by recruiting ALKBH5 to demethylate and stabilize DDIT4 mRNA, which is responsible for the oncogenic function of RBM33 in HNSCC cells. Altogether, our study uncovers the mechanism of selectively demethylate m6A methylation of a subset of transcripts during tumorigenesis that may explain demethylation selectivity in other cellular processes, and we showed its importance in the maintenance of tumorigenesis of HNSCC." @default.
- W4378952012 created "2023-06-02" @default.
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- W4378952012 date "2023-06-01" @default.
- W4378952012 modified "2023-10-16" @default.
- W4378952012 title "RBM33 is a unique m6A RNA-binding protein that regulates ALKBH5 demethylase activity and substrate selectivity" @default.
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- W4378952012 doi "https://doi.org/10.1016/j.molcel.2023.05.010" @default.
- W4378952012 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/37257451" @default.
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