ArticleBMC pharmacology & toxicology2023
miR-34a/DRP-1-mediated mitophagy participated in cisplatin-induced ototoxicity via increasing oxidative stress.
Article in BMC pharmacology & toxicology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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Who cites it
15 citing papers in PubMed.
- mRedox biology · 2026Review
- Targeting Autophagy for Otoprotection: Translating Basic Mechanisms into Clinical Strategies.International journal of molecular sciences · 2026Review
- Autophagy in Sensorineural Hearing Loss: Jekyll or Hyde?International journal of molecular sciences · 2026Review
- The Role of MicroRNAs in Mitochondrial Homeostasis and their Involvement in the Pathogenesis of Obesity and Metabolic Syndrome: A Focus on MicroRNAs.Current medicinal chemistry · 2026Review
- Gipc3 Mutation Might Cause Sensorineural Hearing Loss by Inhibiting Mitophagy in Inner Ear Hair Cells.Molecular neurobiology · 2025Article
- Mitophagy in Brain Injuries: Mechanisms, Roles, and Therapeutic Potential.Molecular neurobiology · 2025Review
- miR‑34a induces apoptosis and pyroptosis in D‑Galactose‑induced aging cochlear hair cells via inhibiting TFAM and promoting mitochondrial dysfunctionInternational journal of molecular medicine · 2025Article
- Epigenetic Modifications in Sensorineural Hearing Loss: Protective Mechanisms and Therapeutic Potential.Current medical science · 2025Review
- A Narrative Review of Quercetin's Role as a Bioactive Compound in Female Reproductive Disorders.Nutrients · 2025Review
- Mitophagy in the mechanisms of treatment resistance in solid tumors.Oncology reviews · 2025Review
- Hesperidin activates Nrf2 to protect cochlear hair cells from cisplatin-induced damage.Redox report : communications in free radical research · 2024Article
- Article
- Apoptosis, autophagy, ferroptosis, and pyroptosis in cisplatin-induced ototoxicity and protective agents.Frontiers in pharmacology · 2024Review
- Oxidative Damage as a Fundament of Systemic Toxicities Induced by Cisplatin-The Crucial Limitation or Potential Therapeutic Target?International journal of molecular sciences · 2023Review
- NcRNA: key and potential in hearing loss.Frontiers in neuroscience · 2023Review
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Authors and funding
12 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
purposeCisplatin is a widely used and effective chemotherapeutic agent for most solid malignant tumors. However, cisplatin-induced ototoxicity is a common adverse effect that limits the therapeutic efficacy of tumors in the clinic. To date, the specific mechanism of ototoxicity has not been fully elucidated, and the management of cisplatin-induced ototoxicity is also an urgent challenge. Recently, some authors believed that miR34a and mitophagy played a role in age-related and drug-induced hearing loss. Our study aimed to explore the involvement of miR-34a/DRP-1-mediated mitophagy in cisplatin-induced ototoxicity.
methodsIn this study, C57BL/6 mice and HEI-OC1 cells were treated with cisplatin. MiR-34a and DRP-1 levels were analyzed by qRT‒PCR and western blotting, and mitochondrial function was assessed via oxidative stress, JC-1 and ATP content. Subsequently, we detected DRP-1 levels and observed mitochondrial function by modulating miR-34a expression in HEI-OC1 cells to determine the effect of miR-34a on DRP-1-mediated mitophagy.
resultsMiR-34a expression increased and DRP-1 levels decreased in C57BL/6 mice and HEI-OC1 cells treated with cisplatin, and mitochondrial dysfunction was involved in this process. Furthermore, the miR-34a mimic decreased DRP-1 expression, enhanced cisplatin-induced ototoxicity and aggravated mitochondrial dysfunction. We further verified that the miR-34a inhibitor increased DRP-1 expression, partially protected against cisplatin-induced ototoxicity and improved mitochondrial function.
conclusionMiR-34a/DRP-1-mediated mitophagy was related to cisplatin-induced ototoxicity and might be a novel target for investigating the treatment and protection of cisplatin-induced ototoxicity.
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