Genetic and pharmacological PARP inhibition reduces axonal degeneration in C. elegans models of ALS

Autor: Gilles Tossing, Raphaël Livernoche, Claudia Maios, Constantin Bretonneau, Audrey Labarre, J Alex Parker
Rok vydání: 2022
Předmět:
Zdroj: Human Molecular Genetics. 31:3313-3324
ISSN: 1460-2083
0964-6906
DOI: 10.1093/hmg/ddac116
Popis: Axonal degeneration is observed in early stages of several neurodegenerative diseases, including amyotrophic lateral sclerosis (ALS). This degeneration generally precedes apoptosis and therefore may be a promising therapeutic target. An increasing number of genes have been identified to actively regulate axonal degeneration and regeneration; however, only a few potential therapeutic targets have been identified in the context of neurodegenerative diseases. Here we investigate DLK-1, a major axonal regeneration pathway and its contribution to axonal degeneration phenotypes in several Caenorhabditis elegans ALS models. From this pathway, we identified the poly (ADP-ribose) (PAR) polymerases (PARP) PARP-1 and PARP-2 as the most consistent modifiers of axonal degeneration in our models of ALS. Genetic and pharmacological inhibition of PARP-1 and PARP-2 reduces axonal degeneration and improves related motor phenotypes.
Databáze: OpenAIRE