Journal
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
Volume 23, Issue 14, Pages -Publisher
MDPI
DOI: 10.3390/ijms23147823
Keywords
amyotrophic lateral sclerosis; integrated stress response; translation; uORFs-containing mRNAs; ALS experimental models; RNA-binding proteins; ALS clinical trials
Funding
- AC (CIMA) [MCIN/AEI/10.13039/501100011033, PID2020120497RB-I00]
- [0011-0537-2018-000006]
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This article reviews the complex interplay between ISR and disease progression in ALS models and discusses the opportunities and limitations of ISR modulation in the search for effective therapies for ALS.
In amyotrophic lateral sclerosis (ALS) patients, loss of cellular homeostasis within cortical and spinal cord motor neurons triggers the activation of the integrated stress response (ISR), an intracellular signaling pathway that remodels translation and promotes a gene expression program aimed at coping with stress. Beyond its neuroprotective role, under regimes of chronic or excessive stress, ISR can also promote cell/neuronal death. Given the two-edged sword nature of ISR, many experimental attempts have tried to establish the therapeutic potential of ISR enhancement or inhibition in ALS. This review discusses the complex interplay between ISR and disease progression in different models of ALS, as well as the opportunities and limitations of ISR modulation in the hard quest to find an effective therapy for ALS.
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