Cited by 33Amyotrophic Lateral Sclerosis ResearchAlzheimer's disease research and treatmentsHereditary Neurological Disorders

Single chain variable fragment antibodies directed against SOD1 ameliorate disease in mutant SOD1 transgenic mice

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Ghadge, Ghanashyam D., Kay, Brian K., Drigotas, Claire, Roos, Raymond P.·2019·Neurobiology of Disease

Abstract

Mutations in Cu/Zn superoxide dismutase (SOD1) are the cause of ~20% of cases of familial ALS (FALS), which comprise ~10% of the overall total number of cases of ALS. Mutant (mt) SOD1 is thought to cause FALS through a gain and not loss in function, perhaps as a result of the mutant protein's misfolding and aggregation. Previously we used a phage display library to raise single chain variable fragment antibodies (scFvs) against SOD1, which were found to decrease aggregation of mtSOD1 and toxicity in vitro. In the present study, we show that two scFvs directed against SOD1 ameliorate disease in G93A mtSOD1 transgenic mice and also decrease motor neuron loss, microgliosis, astrocytosis, as well as SOD1 burden and aggregation. The results suggest that the use of antibodies or antibody mimetics directed against SOD1 may be a useful therapeutic direction in mtSOD1-induced FALS. Since studies suggest that wild type SOD1 may be misfolded similar to that seen with mtSOD1, this therapeutic direction may be effective in sporadic as well as FALS.

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Crossref · 10.1016/j.nbd.2018.08.021

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Authors
Ghadge, G. D., Kay, B. K., Drigotas, C., & Roos, R. P.
Affiliations
  • University of Chicago Medical Center (US)
  • University of Illinois Chicago (US)
Corresponding author
Roos, Raymond P.
Venue
Neurobiology of Disease
Publisher
Elsevier BV
Published
2019-01
Volume
121
Pages
131-137
ISSN
0969-9961 (ISSN-L)
OpenAlex
W2889043080
Cited by
28
References
29
Citations by year
2025: 4 · 2024: 1 · 2023: 3 · 2022: 10 · 2021: 1 · 2020: 5 · 2019: 4
FWCI
1.70
Type
journal article
Language
en
Open access
Locations
  • Neurobiology of Disease (publishedVersion)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
ALS Association
Topics
  • Health Sciences › Medicine › Neurology › Amyotrophic Lateral Sclerosis Research
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Hereditary Neurological Disorders
Keywords
scFv, SOD1, familial ALS, protein aggregation, antibody therapy, motor neuron degeneration, microglial activation, astrocyte activation, phage display, gain-of-function toxicity
MeSH terms
Amyotrophic Lateral Sclerosis, Animals, Disease Models, Animal, Female, Gliosis, Male, Mice, Inbred C57BL, Mice, Transgenic, Motor Neurons, Spinal Cord, Superoxide Dismutase, Single-Chain Antibodies, Protein Aggregation, Pathological

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