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Cx43 hemichannels contribute to astrocyte-mediated toxicity in sporadic and familial ALS

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Significance Our results demonstrate that connexin 43 hemichannels are the conduits for amyotrophic lateral sclerosis (ALS) astrocyte-mediated motor neuron toxicity and disease spread, acting as a common mechanism that can… Click to show full abstract

Significance Our results demonstrate that connexin 43 hemichannels are the conduits for amyotrophic lateral sclerosis (ALS) astrocyte-mediated motor neuron toxicity and disease spread, acting as a common mechanism that can target both familial ALS and sporadic ALS populations. Furthermore, our present work provides proof of principle that tonabersat, as a drug already studied in clinical trials for other indications, could serve as a potential ALS therapeutic.

Keywords: familial als; contribute astrocyte; astrocyte mediated; cx43 hemichannels; hemichannels contribute; toxicity

Journal Title: Proceedings of the National Academy of Sciences of the United States of America
Year Published: 2022

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