Preserving mitochondrial function by inhibiting GRP75 ameliorates neuron injury under ischemic stroke.
Open accessAbstract
Ischemic stroke is a life‑threatening disease, which is closely related to neuron damage during ischemia. Mitochondrial dysfunction is essentially involved in the pathophysiological process of ischemic stroke. Mitochondrial calcium overload contributes to the development of mitochondrial dysfunction. However, the underlying mechanisms of mitochondrial calcium overload are far from being fully revealed. In the present study, middle cerebral artery obstruction (MCAO) was performed in vivo and oxygen and glucose deprivation (OGD) in vitro. The results indicated that both MCAO and OGD induced significant mitochondrial dysfunction in vivo and in vitro. The mitochondria became fragmented under hypoxia conditions, accompanied with upregulation of the heat shock protein 75 kDa glucose‑regulated protein (GRP75). Inhibition of GRP75 was able to effectively ameliorate mitochondrial calcium overload and preserve mitochondrial function, which may provide evidence for further translational studies of ischemic diseases.
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Mitochondria with an aspect ratio >2 are considered long mitochondria.
“Mitochondria with a ratio of >2 were considered as long mitochondria (long-mito), as previously described (Zhang et al., 2016; Wen et al., 2022).”
From Aging promotes an increase in mitochondrial fragmentation in astrocytes (2024) · cites this paper as Wen et al., 2022
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Cited by
Sorted by citations
Aging promotes an increase in mitochondrial fragmentation in astrocytes
Araujo, A. P. B., Vargas, G., Hayashide, L. D. S., Matias, I., Andrade, C. B. V., de Carvalho, J. J., Gomes, F. C. A., & Diniz, L. P. (2024) · Frontiers in Cellular Neuroscience · doi:10.3389/fncel.2024.1496163 · Cited by 43 · see citing works
- Authors
- Wen, B., Xu, K., Huang, R., Jiang, T., Wang, J., Chen, J., Chen, J., & He, B.
- Affiliations
- Huazhong University of Science and Technology (CN)
- Department of Cardiovascular Medicine, Lichuan People's Hospital, Lichuan, Hubei 445400, P.R. China
- Corresponding author
- He, Benhong
- Venue
- Molecular Medicine Reports
- Publisher
- Spandidos Publications
- Published
- 2022-03-15
- Volume
- 25
- Issue
- 5
- ISSN
- 1791-2997 (ISSN-L)
- 1791-3004
- PMC
- PMC8941507
- OpenAlex
- W4220893636
- Cited by
- 35
- References
- 0
- Citations by year
- 2026: 11 · 2025: 9 · 2024: 9 · 2023: 3 · 2022: 3
- FWCI
- 1.96
- Type
- journal article
- Language
- en
- Open access
- hybrid
- doi.org
- Licence
- cc-by
- Locations
- Molecular Medicine Reports (publishedVersion, cc-by)
- PubMed Central (publishedVersion, cc-by)
- PubMed (publishedVersion)
- Funders
- National Natural Science Foundation of China (81873725)
- Topics
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Mitochondrial Function and Pathology
- Life Sciences › Neuroscience › Neurology › Neurological Disorders and Treatments
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Heat shock proteins research
- Keywords
- ischemic stroke, GRP75, mitochondrial dysfunction, mitochondrial calcium overload, neuronal injury, mitochondrial fragmentation, middle cerebral artery occlusion, oxygen-glucose deprivation, hypoxia, neuroprotection
- MeSH terms
- Ischemic Stroke, Brain Ischemia, Humans, Membrane Proteins, Mitochondria, Neurons, HSP70 Heat-Shock Proteins, Stroke
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