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Bhattacharyya, Anuradha; Trotta, Christopher R; Narasimhan, Jana; Wiedinger, Kari J; Li, Wencheng; Effenberger, Kerstin A; Woll, Matthew G; Jani, Minakshi B; Risher, Nicole; Yeh, Shirley; Cheng, Yaofeng; Sydorenko, Nadiya; Moon, Young-Choon; Karp, Gary M; Weetall, Marla; Dakka, Amal; Gabbeta, Vijayalakshmi; Naryshkin, Nikolai A; Graci, Jason D; Tripodi, Jr, Thomas; Southwell, Amber; Hayden, Michael; Colacino, Joseph M; Peltz, Stuart W
Nature communications, 12/2021, Letnik: 12, Številka: 1Journal Article
Huntington's disease (HD) is a hereditary neurodegenerative disorder caused by expansion of cytosine-adenine-guanine (CAG) trinucleotide repeats in the huntingtin (HTT) gene. Consequently, the mutant protein is ubiquitously expressed and drives pathogenesis of HD through a toxic gain-of-function mechanism. Animal models of HD have demonstrated that reducing huntingtin (HTT) protein levels alleviates motor and neuropathological abnormalities. Investigational drugs aim to reduce HTT levels by repressing HTT transcription, stability or translation. These drugs require invasive procedures to reach the central nervous system (CNS) and do not achieve broad CNS distribution. Here, we describe the identification of orally bioavailable small molecules with broad distribution throughout the CNS, which lower HTT expression consistently throughout the CNS and periphery through selective modulation of pre-messenger RNA splicing. These compounds act by promoting the inclusion of a pseudoexon containing a premature termination codon (stop-codon psiExon), leading to HTT mRNA degradation and reduction of HTT levels.
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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Vir: Osebne bibliografije
in: SICRIS
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