Matches in SemOpenAlex for { <https://semopenalex.org/work/W4280503485> ?p ?o ?g. }
- W4280503485 endingPage "713" @default.
- W4280503485 startingPage "713" @default.
- W4280503485 abstract "DYT-PRKRA (dystonia 16 or DYT-PRKRA) is caused by mutations in the PRKRA gene that encodes PACT, the protein activator of interferon (IFN)-induced double-stranded (ds) RNA-activated protein kinase (PKR). PACT participates in several cellular pathways, of which its role as a PKR activator protein during integrated stress response (ISR) is the best characterized. Previously, we have established that the DYT-PRKRA mutations cause enhanced activation of PKR during ISR to sensitize DYT-PRKRA cells to apoptosis. In this study, we evaluate if the most prevalent substitution mutation reported in DYT-PRKRA patients alters PACT's functional role in induction of type I IFNs via the retinoic acid-inducible gene I (RIG-I) signaling. Our results indicate that the P222L mutation augments PACT's ability to induce IFN β in response to dsRNA and the basal expression of IFN β and IFN-stimulated genes (ISGs) is higher in DYT-PRKRA patient cells compared to cells from the unaffected controls. Additionally, IFN β and ISGs are also induced at higher levels in DYT-PRKRA cells in response to dsRNA. These results offer a new avenue for investigations directed towards understanding the underlying molecular pathomechanisms in DYT-PRKRA." @default.
- W4280503485 created "2022-05-22" @default.
- W4280503485 creator A5013758684 @default.
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- W4280503485 creator A5050266109 @default.
- W4280503485 creator A5061040696 @default.
- W4280503485 creator A5079393537 @default.
- W4280503485 creator A5091207058 @default.
- W4280503485 date "2022-05-17" @default.
- W4280503485 modified "2023-09-25" @default.
- W4280503485 title "DYT-PRKRA Mutation P222L Enhances PACT’s Stimulatory Activity on Type I Interferon Induction" @default.
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