Matches in SemOpenAlex for { <https://semopenalex.org/work/W3175807025> ?p ?o ?g. }
- W3175807025 abstract "Abstract We recently described a signal transduction pathway that contributes to AR regulation based on sitespecific ADP-ribosylation by PARP7, a mono-ADP-ribosyltransferase implicated in several human cancers. ADP-ribosylated AR is specifically recognized by PARP9/DTX3L, a heterodimeric complex that contains an ADP-ribose reader (PARP9) and a ubiquitin E3 ligase (DTX3L). Here, we have characterized the cellular and biochemical requirements for AR ADP-ribosylation by PARP7. We found that the reaction requires nuclear localization of PARP7 and an agonist-induced conformation of AR. PARP7 contains a Cys 3 His 1 -type zinc finger (ZF), which we found is critical for AR ADP-ribosylation. The Parp7 ZF is required for efficient nuclear localization by the nuclear localization signal (NLS) encoded in PARP7, but rescue experiments indicate the ZF makes a contribution to AR ADP-ribosylation that is transport-independent. ZF structure appears to be dispensable for PARP7 catalytic activity and for PARP7 binding to AR. Androgen induction of the MYBPC1 gene is regulated by AR and PARP7, and we determined that the ZF is required for the PARP7 transcriptional effect on MYBPC1. Our data indicate the PARP7 ZF plays an important role in modulating the subcellular localization of PARP7 and its capacity to ADP-ribosylate and promote AR-dependent transcription." @default.
- W3175807025 created "2021-07-05" @default.
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- W3175807025 date "2021-06-22" @default.
- W3175807025 modified "2023-10-16" @default.
- W3175807025 title "PARP7 mono-ADP-ribosylates the Agonist Conformation of the Androgen Receptor in the Nucleus" @default.
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- W3175807025 doi "https://doi.org/10.1101/2021.06.21.449333" @default.
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