Cited by 55Genetic Neurodegenerative DiseasesParkinson's Disease Mechanisms and TreatmentsMitochondrial Function and Pathology

Role of Rho Kinase Inhibition in the Protective Effect of Fasudil and Simvastatin Against 3-Nitropropionic Acid-Induced Striatal Neurodegeneration and Mitochondrial Dysfunction in Rats

Ahmed, Lamiaa A., Darwish, Hebatallah A., Abdelsalam, Rania M., Amin, HebatAllah A.·2016·Molecular Neurobiology

Abstract

3-Nitropropionic acid (3-NP)-induced neurotoxicity is an experimental model which mimics the pathology and motor abnormalities seen in Huntington's disease (HD) in human. The present investigation was directed to estimate the role of rho kinase (ROCK) inhibition in the possible protective effect of fasudil and simvastatin in 3-NP-induced striatal neurodegeneration in rats. Animals were injected s.c. with 3-NP (20 mg/kg/day) for 1 week with or without administration of fasudil (10 mg/kg/day, p.o.) or simvastatin (20 mg/kg/day, p.o.). At the end of experiment, motor and behavioral abnormalities were evaluated. Animals were then sacrificed for measurement of mitochondrial membrane potential as well as succinate dehydrogenase (SDH) and caspase-3 activities in striatum. Moreover, tumor necrosis factor-alpha (TNF-α) level and protein expressions of proliferator-activated receptor gamma coactivator 1-alpha (PGC-1α), ROCK, phosphorylated-Akt (p-Akt), endothelial and inducible nitric oxide synthase (eNOS and iNOS), Bax, and Bcl-2 were estimated. Finally, histological changes as demonstrated by striatum injury score, glial activation, and percentage of altered mitochondria were assessed. Both fasudil and simvastatin effectively inhibited 3-NP-induced behavioral, biochemical, and histological changes through inhibition of ROCK activity. However, fasudil provided more amelioration in histological changes, mitochondrial membrane potential and SDH activity in addition to p-Akt and PGC-1α p…

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Crossref · 10.1007/s12035-015-9303-2

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  • In the 3-nitropropionic acid HD rat model, inhibition of RhoA/ROCK signaling using Fasudil or simvastatin inhibits 3-NP-induced neurotoxicity and mitochondrial dysfunction through a mechanism involving the ROCK/p-Akt/eNOS pathway.

    “In the 3-nitropropionic acid (3-NP) HD rat model, inhibition of RhoA/ROCK signaling using Fasudil or simvastatin inhibited 3-NP-induced neurotoxicity and, interestingly, also mitochondrial dysfunction through a mechanism involving the ROCK/p-Akt/eNOS pathway [206].”

    From RhoA Signaling in Neurodegenerative Diseases (2022) · cites this paper as [206]

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Authors
Ahmed, L. A., Darwish, H. A., Abdelsalam, R. M., & Amin, H. A.
Affiliations
Cairo University (EG)
Corresponding author
Ahmed, Lamiaa A.
Venue
Molecular Neurobiology
Published
2015-07-15
Volume
53
Issue
6
Pages
3927-3938
ISSN
  • 0893-7648 (ISSN-L)
  • 1559-1182
OpenAlex
W1163715347
Cited by
55
References
2
Citations by year
2026: 4 · 2025: 6 · 2024: 8 · 2023: 6 · 2022: 9 · 2021: 6 · 2020: 7 · 2019: 6 · 2018: 3
FWCI
0.42
Type
journal article
Language
en
Open access
closed
Locations
  • Molecular Neurobiology (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Genetic Neurodegenerative Diseases
  • Health Sciences › Medicine › Neurology › Parkinson's Disease Mechanisms and Treatments
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Mitochondrial Function and Pathology
Keywords
Rho kinase inhibition, fasudil, simvastatin, 3-nitropropionic acid, Huntington's disease, striatal degeneration, mitochondrial dysfunction, mitochondrial membrane potential, succinate dehydrogenase, caspase-3, PGC-1α, Akt signaling, endothelial nitric oxide synthase, inducible nitric oxide synthase, neuroprotection, neurotoxicity
MeSH terms
Peroxisome Proliferator-Activated Receptor Gamma Coactivator 1-alpha, Animals, Behavior, Animal, Body Weight, Corpus Striatum, Male, Mitochondria, Motor Activity, Nerve Degeneration, Nitro Compounds, Organ Size, Phosphorylation, Propionates, Succinate Dehydrogenase, Tumor Necrosis Factor-alpha, Rats, Wistar, Neuroprotective Agents, 1-(5-Isoquinolinesulfonyl)-2-Methylpiperazine, Simvastatin, Protein Kinase Inhibitors, bcl-2-Associated X Protein, Proto-Oncogene Proteins c-akt, Nitric Oxide Synthase Type II, Nitric Oxide Synthase Type III, Membrane Potential, Mitochondrial, Caspase 3, rho-Associated Kinases

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