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Understanding and Treating Amyotrophic Lateral Sclerosis and Related Motor Neuron Diseases

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Molecular Neurobiology".

Deadline for manuscript submissions: 20 December 2025 | Viewed by 1641

Special Issue Editor


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Guest Editor
1. Imaging Brain & Neuropsychiatry iBraiN U1253, Institut National de la Santé et de la Recherche Médicale (INSERM), Université de Tours, 37032 Tours, France
2. Service de Biochimie et Biologie Moléculaire, CHU de Tours, 37044 Tours, France
Interests: ALS; genetics; neurobiology; post-translational modifications; aggregation; neurogenesis

Special Issue Information

Dear Colleagues,

Our understanding of the pathophysiology of amyotrophic lateral sclerosis (ALS) and its related motor neuron diseases has progressed dramatically in recent years, leading to some very interesting reflections on their definition and heterogeneity, as well as to numerous preclinical and clinical studies on potential therapeutic approaches. Some ALS/MND clinicians have indicated that this is a time for optimism. However, there are still enormous challenges to overcome. We need to better understand the complexity of these diseases, i.e., describe the molecular mechanisms involved at different stages; identify overlaps between these pathologies or with other pathologies; search for new, robust biomarkers and link them to clinical heterogeneity, disease progression, and response to therapeutic approaches; intensify research on the causes of ALS/MND, which are still unknown in the majority of patients; determine new mutations, genetic factors (causal, risk, progression), and epigenetics factors, etc.; better study the roles played by the various cell types in the motor neuron environment; and better characterize existing and new in vitro and in vivo study models. This Special Issue invites manuscript submissions that address these and any other questions that will help to better understand ALS/MND at the molecular level.

Prof. Dr. Patrick Vourc'h
Guest Editor

Manuscript Submission Information

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Keywords

  • neurodegenerative
  • ALS
  • motor neuron
  • genetics
  • molecular pathways
  • biomarkers
  • models
  • treatments

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Published Papers (2 papers)

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Review

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21 pages, 1670 KiB  
Review
Targets and Gene Therapy of ALS (Part 1)
by Olga Shiryaeva, Christina Tolochko, Tatiana Alekseeva and Vyacheslav Dyachuk
Int. J. Mol. Sci. 2025, 26(9), 4063; https://doi.org/10.3390/ijms26094063 - 25 Apr 2025
Cited by 1 | Viewed by 1053
Abstract
Amyotrophic lateral sclerosis (ALS) is a neurodegenerative disease characterized by the selective death of motor neurons, which causes muscle atrophy. Genetic forms of ALS are recorded only in 10% of cases. However, over the past decade, studies in genetics have substantially contributed to [...] Read more.
Amyotrophic lateral sclerosis (ALS) is a neurodegenerative disease characterized by the selective death of motor neurons, which causes muscle atrophy. Genetic forms of ALS are recorded only in 10% of cases. However, over the past decade, studies in genetics have substantially contributed to our understanding of the molecular mechanisms underlying ALS. The identification of key mutations such as SOD1, C9orf72, FUS, and TARDBP has led to the development of targeted therapy that is gradually being introduced into clinical trials, opening up a broad range of opportunities for correcting these mutations. In this review, we aimed to present an extensive overview of the currently known mechanisms of motor neuron degeneration associated with mutations in these genes and also the gene therapy methods for inhibiting the expression of their mutant proteins. Among these, antisense oligonucleotides, RNA interference (siRNA and miRNA), and gene-editing (CRISPR/Cas9) methods are of particular interest. Each has shown its efficacy in animal models when targeting mutant genes, whereas some of them have proven to be efficient in human clinical trials. Full article
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Other

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20 pages, 1082 KiB  
Brief Report
Amyotrophic Lateral Sclerosis: Pathophysiological Mechanisms and Treatment Strategies (Part 2)
by Christina Tolochko, Olga Shiryaeva, Tatiana Alekseeva and Vyacheslav Dyachuk
Int. J. Mol. Sci. 2025, 26(11), 5240; https://doi.org/10.3390/ijms26115240 - 29 May 2025
Viewed by 394
Abstract
Amyotrophic lateral sclerosis (ALS) is a progressive neurodegenerative disease associated with damage to motor neurons and leading to severe muscle weakness and, eventually, death. Over the past decade, understanding of the key pathogenetic links of ALS, including glutamate-mediated excitotoxicity and oxidative stress, has [...] Read more.
Amyotrophic lateral sclerosis (ALS) is a progressive neurodegenerative disease associated with damage to motor neurons and leading to severe muscle weakness and, eventually, death. Over the past decade, understanding of the key pathogenetic links of ALS, including glutamate-mediated excitotoxicity and oxidative stress, has significantly advanced. This review considers the recent evidence on molecular mechanisms of these processes, as well as the therapeutic strategies aimed at their modulation. Special attention is paid to antiglutamatergic and antioxidant drugs as approaches to the ALS pathogenetic therapy. Full article
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