Title

Proteome Homeostasis Dysfunction: A Unifying Principle in ALS Pathogenesis

RIS ID

142919

Publication Details

Yerbury, J., Farrawell, N. & McAlary, L. (2020). Proteome Homeostasis Dysfunction: A Unifying Principle in ALS Pathogenesis. Trends in Neurosciences, 43 (5), 274-284.

Abstract

© 2020 Elsevier Ltd Amyotrophic lateral sclerosis (ALS) is the most common motor neuron disease but currently has no effective treatment. Growing evidence suggests that proteome homeostasis underlies ALS pathogenesis. Protein production, trafficking, and degradation all shape the proteome. We present a hypothesis that proposes all genetic lesions associated with ALS (including in mRNA-binding proteins) cause widespread imbalance to an already metastable proteome. The impact of such dysfunction is felt across the entire proteome and is not restricted to a small subset of proteins. Proteome imbalance may cause functional defects, such as excitability alterations, and eventually cell death. While this idea is a unifying principle for all of ALS, we propose that stratification will appear that might dictate the efficacy of therapeutics based on the proteostasis network.

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Link to publisher version (DOI)

http://dx.doi.org/10.1016/j.tins.2020.03.002