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Thakur NS, Rus I, Herbert A, Zallocchi M, Chakrabarty B, Joshi AD, Lomeo J, Agrahari V. Crosslinked-hybrid nanoparticle embedded in thermogel for sustained co-delivery to inner ear. J Nanobiotechnology 2024; 22:482. [PMID: 39135039 PMCID: PMC11321169 DOI: 10.1186/s12951-024-02686-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2024] [Accepted: 07/01/2024] [Indexed: 08/15/2024] Open
Abstract
Treatment-induced ototoxicity and accompanying hearing loss are a great concern associated with chemotherapeutic or antibiotic drug regimens. Thus, prophylactic cure or early treatment is desirable by local delivery to the inner ear. In this study, we examined a novel way of intratympanically delivered sustained nanoformulation by using crosslinked hybrid nanoparticle (cHy-NPs) in a thermoresponsive hydrogel i.e. thermogel that can potentially provide a safe and effective treatment towards the treatment-induced or drug-induced ototoxicity. The prophylactic treatment of the ototoxicity can be achieved by using two therapeutic molecules, Flunarizine (FL: T-type calcium channel blocker) and Honokiol (HK: antioxidant) co-encapsulated in the same delivery system. Here we investigated, FL and HK as cytoprotective molecules against cisplatin-induced toxic effects in the House Ear Institute - Organ of Corti 1 (HEI-OC1) cells and in vivo assessments on the neuromast hair cell protection in the zebrafish lateral line. We observed that cytotoxic protective effect can be enhanced by using FL and HK in combination and developing a robust drug delivery formulation. Therefore, FL-and HK-loaded crosslinked hybrid nanoparticles (FL-cHy-NPs and HK-cHy-NPs) were synthesized using a quality-by-design approach (QbD) in which design of experiment-central composite design (DoE-CCD) following the standard least-square model was used for nanoformulation optimization. The physicochemical characterization of FL and HK loaded-NPs suggested the successful synthesis of spherical NPs with polydispersity index < 0.3, drugs encapsulation (> 75%), drugs loading (~ 10%), stability (> 2 months) in the neutral solution, and appropriate cryoprotectant selection. We assessed caspase 3/7 apopototic pathway in vitro that showed significantly reduced signals of caspase 3/7 activation after the FL-cHy-NPs and HK-cHy-NPs (alone or in combination) compared to the CisPt. The final formulation i.e. crosslinked-hybrid-nanoparticle-embedded-in-thermogel was developed by incorporating drug-loaded cHy-NPs in poloxamer-407, poloxamer-188, and carbomer-940-based hydrogel. A combination of artificial intelligence (AI)-based qualitative and quantitative image analysis determined the particle size and distribution throughout the visible segment. The developed formulation was able to release the FL and HK for at least a month. Overall, a highly stable nanoformulation was successfully developed for combating treatment-induced or drug-induced ototoxicity via local administration to the inner ear.
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Affiliation(s)
- Neeraj S Thakur
- Department of Pharmaceutical Sciences, University of Oklahoma Health Sciences Center, 1110 North Stonewall Avenue, Oklahoma City, OK, 73117, USA
| | - Iulia Rus
- Department of Pharmaceutical Sciences, University of Oklahoma Health Sciences Center, 1110 North Stonewall Avenue, Oklahoma City, OK, 73117, USA
| | - Aidan Herbert
- DigiM Solution LLC, 500 West Cummings Park, Suite 3650, Woburn, MA, 01801, USA
| | - Marisa Zallocchi
- Department of Biomedical Sciences, Creighton University School of Medicine, 2500 California Plaza, Omaha, NE, 68178, USA
| | - Brototi Chakrabarty
- Department of Pharmaceutical Sciences, University of Oklahoma Health Sciences Center, 1110 North Stonewall Avenue, Oklahoma City, OK, 73117, USA
| | - Aditya D Joshi
- Department of Pharmaceutical Sciences, University of Oklahoma Health Sciences Center, 1110 North Stonewall Avenue, Oklahoma City, OK, 73117, USA
| | - Joshua Lomeo
- DigiM Solution LLC, 500 West Cummings Park, Suite 3650, Woburn, MA, 01801, USA
| | - Vibhuti Agrahari
- Department of Pharmaceutical Sciences, University of Oklahoma Health Sciences Center, 1110 North Stonewall Avenue, Oklahoma City, OK, 73117, USA.
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Carles L, Gibaja A, Scheper V, Alvarado JC, Almodovar C, Lenarz T, Juiz JM. Efficacy and Mechanisms of Antioxidant Compounds and Combinations Thereof against Cisplatin-Induced Hearing Loss in a Rat Model. Antioxidants (Basel) 2024; 13:761. [PMID: 39061830 PMCID: PMC11273477 DOI: 10.3390/antiox13070761] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2024] [Revised: 06/13/2024] [Accepted: 06/19/2024] [Indexed: 07/28/2024] Open
Abstract
Cisplatin is an election chemotherapeutic agent used for many cancer treatments. Its cytotoxicity against neoplastic cells is mirrored by that taking place in healthy cells and tissues, resulting in serious adverse events. A very frequent one is ototoxicity, causing hearing loss which may permanently affect quality of life after successful oncologic treatments. Exacerbated oxidative stress is a main cytotoxic mechanism of cisplatin, including ototoxicity. Previous reports have shown antioxidant protection against cisplatin ototoxicity, but there is a lack of comparative studies on the otoprotectant activity and mechanism of antioxidant formulations. Here, we show evidence that a cocktail of vitamins A, C, and E along with Mg++ (ACEMg), previously shown to protect against noise-induced hearing loss, reverses auditory threshold shifts, promotes outer hair cell survival, and attenuates oxidative stress in the cochlea after cisplatin treatment, thus protecting against extreme cisplatin ototoxicity in rats. The addition of 500 mg N-acetylcysteine (NAC), which, administered individually, also shows significant attenuation of cisplatin ototoxicity, to the ACEMg formulation results in functional degradation of ACEMg otoprotection. Mg++ administered alone, as MgSO4, also prevents cisplatin ototoxicity, but in combination with 500 mg NAC, otoprotection is also greatly degraded. Increasing the dose of NAC to 1000 mg also results in dramatic loss of otoprotection activity compared with 500 mg NAC. These findings support that single antioxidants or antioxidant combinations, particularly ACEMg in this experimental series, have significant otoprotection efficacy against cisplatin ototoxicity. However, an excess of combined antioxidants and/or elevated doses, above a yet-to-be-defined "antioxidation threshold", results in unrecoverable redox imbalance with loss of otoprotectant activity.
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Grants
- PID2020-117266RB-C22-1, EXC 2177/1, ID:390895286, SBPLY/17/180501/000544. Ministerio de Ciencia Innovación, MCINN, Gobierno de España, Plan Estatal de I+D+i, PID2020-117266RB-C22-1, Cluster of Excellence "Hearing4All" EXC 2177/1, ID:390895286, part of the Germany´s Excellence Strategy of the German Research Foundation, DFG. Co
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Affiliation(s)
- Liliana Carles
- Instituto de Investigación en Discapacidades Neurológicas (IDINE), School of Medicine, Universidad de Castilla-La Mancha (UCLM), Campus in Albacete, 02008 Albacete, Spain; (L.C.); (A.G.); (J.C.A.)
- Department of Otolaryngology, University Hospital “Doce de Octubre”, 28041 Madrid, Spain;
| | - Alejandro Gibaja
- Instituto de Investigación en Discapacidades Neurológicas (IDINE), School of Medicine, Universidad de Castilla-La Mancha (UCLM), Campus in Albacete, 02008 Albacete, Spain; (L.C.); (A.G.); (J.C.A.)
| | - Verena Scheper
- Department of Otorhinolaryngology, Head and Neck Surgery, Hannover Medical School, 30625 Hannover, Germany; (V.S.); (T.L.)
- Cluster of Excellence “Hearing4all” of the German Research Foundation, DFG, 26111 Oldenburg, Germany
| | - Juan C. Alvarado
- Instituto de Investigación en Discapacidades Neurológicas (IDINE), School of Medicine, Universidad de Castilla-La Mancha (UCLM), Campus in Albacete, 02008 Albacete, Spain; (L.C.); (A.G.); (J.C.A.)
| | - Carlos Almodovar
- Department of Otolaryngology, University Hospital “Doce de Octubre”, 28041 Madrid, Spain;
| | - Thomas Lenarz
- Department of Otorhinolaryngology, Head and Neck Surgery, Hannover Medical School, 30625 Hannover, Germany; (V.S.); (T.L.)
- Cluster of Excellence “Hearing4all” of the German Research Foundation, DFG, 26111 Oldenburg, Germany
| | - José M. Juiz
- Instituto de Investigación en Discapacidades Neurológicas (IDINE), School of Medicine, Universidad de Castilla-La Mancha (UCLM), Campus in Albacete, 02008 Albacete, Spain; (L.C.); (A.G.); (J.C.A.)
- Department of Otorhinolaryngology, Head and Neck Surgery, Hannover Medical School, 30625 Hannover, Germany; (V.S.); (T.L.)
- Cluster of Excellence “Hearing4all” of the German Research Foundation, DFG, 26111 Oldenburg, Germany
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3
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Yao Z, Xiao Y, Li W, Kong S, Tu H, Guo S, Liu Z, Ma L, Qiao R, Wang S, Chang M, Zhao X, Zhang Y, Xu L, Sun D, Fu X. FDA-Approved Tedizolid Phosphate Prevents Cisplatin-Induced Hearing Loss Without Decreasing Its Anti-tumor Effect. J Assoc Res Otolaryngol 2024; 25:259-275. [PMID: 38622383 DOI: 10.1007/s10162-024-00945-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Accepted: 03/04/2024] [Indexed: 04/17/2024] Open
Abstract
PURPOSE Cisplatin is a low-cost clinical anti-tumor drug widely used to treat solid tumors. However, its use could damage cochlear hair cells, leading to irreversible hearing loss. Currently, there appears one drug approved in clinic only used for reducing ototoxicity associated with cisplatin in pediatric patients, which needs to further explore other candidate drugs. METHODS Here, by screening 1967 FDA-approved drugs to protect cochlear hair cell line (HEI-OC1) from cisplatin damage, we found that Tedizolid Phosphate (Ted), a drug indicated for the treatment of acute infections, had the best protective effect. Further, we evaluated the protective effect of Ted against ototoxicity in mouse cochlear explants, zebrafish, and adult mice. The mechanism of action of Ted was further explored using RNA sequencing analysis and verified. Meanwhile, we also observed the effect of Ted on the anti-tumor effect of cisplatin. RESULTS Ted had a strong protective effect on hair cell (HC) loss induced by cisplatin in zebrafish and mouse cochlear explants. In addition, when administered systemically, it protected mice from cisplatin-induced hearing loss. Moreover, antitumor studies showed that Ted had no effect on the antitumor activity of cisplatin both in vitro and in vivo. RNA sequencing analysis showed that the otoprotective effect of Ted was mainly achieved by inhibiting phosphorylation of ERK. Consistently, ERK activator aggravated the damage of cisplatin to HCs. CONCLUSION Collectively, these results showed that FDA-approved Ted protected HCs from cisplatin-induced HC loss by inhibiting ERK phosphorylation, indicating its potential as a candidate for preventing cisplatin ototoxicity in clinical settings.
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Affiliation(s)
- Zhiwei Yao
- Department of Pediatric Surgery, Tianjin Medical University General Hospital, Tianjin Medical University, No. 154 Anshan Road, Heping District, Tianjin, 300052, China
- Medical Science and Technology Innovation Center, Shandong First Medical University, Jinan, 250117, China
| | - Yu Xiao
- Medical Science and Technology Innovation Center, Shandong First Medical University, Jinan, 250117, China
- School of Life Science, Shandong University, Qingdao, 266237, China
| | - Wen Li
- Medical Science and Technology Innovation Center, Shandong First Medical University, Jinan, 250117, China.
| | - Shuhui Kong
- Department of Otolaryngology-Head and Neck Surgery, Shandong Provincial ENT Hospital, Shandong University, Jinan, 250000, China
| | - Hailong Tu
- Medical Science and Technology Innovation Center, Shandong First Medical University, Jinan, 250117, China
| | - Siwei Guo
- School of Life Science, Shandong University, Qingdao, 266237, China
| | - Ziyi Liu
- Medical Science and Technology Innovation Center, Shandong First Medical University, Jinan, 250117, China
| | - Lushun Ma
- Department of Pediatric Surgery, Tianjin Medical University General Hospital, Tianjin Medical University, No. 154 Anshan Road, Heping District, Tianjin, 300052, China
- Medical Science and Technology Innovation Center, Shandong First Medical University, Jinan, 250117, China
| | - Ruifeng Qiao
- Department of Otolaryngology-Head and Neck Surgery, Shandong Provincial ENT Hospital, Shandong University, Jinan, 250000, China
| | - Song Wang
- Department of Pediatric Surgery, Tianjin Medical University General Hospital, Tianjin Medical University, No. 154 Anshan Road, Heping District, Tianjin, 300052, China
| | - Miao Chang
- Medical Science and Technology Innovation Center, Shandong First Medical University, Jinan, 250117, China
| | - Xiaoxu Zhao
- Department of Pediatric Surgery, Tianjin Medical University General Hospital, Tianjin Medical University, No. 154 Anshan Road, Heping District, Tianjin, 300052, China
| | - Yuan Zhang
- Department of Pediatric Surgery, Tianjin Medical University General Hospital, Tianjin Medical University, No. 154 Anshan Road, Heping District, Tianjin, 300052, China
| | - Lei Xu
- Department of Otolaryngology-Head and Neck Surgery, Shandong Provincial ENT Hospital, Shandong University, Jinan, 250000, China.
| | - Daqing Sun
- Department of Pediatric Surgery, Tianjin Medical University General Hospital, Tianjin Medical University, No. 154 Anshan Road, Heping District, Tianjin, 300052, China.
| | - Xiaolong Fu
- Medical Science and Technology Innovation Center, Shandong First Medical University, Jinan, 250117, China.
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Zavala-Valencia AC, Velasco-Hidalgo L, Martínez-Avalos A, Castillejos-López M, Torres-Espíndola LM. Effect of N-Acetylcysteine on Cisplatin Toxicity: A Review of the Literature. Biologics 2024; 18:7-19. [PMID: 38250216 PMCID: PMC10799624 DOI: 10.2147/btt.s438150] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Accepted: 12/08/2023] [Indexed: 01/23/2024]
Abstract
N-acetylcysteine (NAC) is a membrane-permeable cysteine precursor capable of enhancing the intracellular cysteine pool, enhancing cellular glutathione (GSH) synthesis, and thus potentiating the endogenous antioxidant mechanism. Late administration of NAC after cisplatin has been shown in different in vivo studies to reduce the side effects caused by various toxicities at different levels without affecting the antitumor efficacy of platinum, improving total and enzymatic antioxidant capacity and decreasing oxidative stress markers. These characteristics provide NAC with a rationale as a potentially effective chemo protectant in cisplatin-based therapeutic cycles. NAC represents a potential candidate as a chemoprotective agent to decrease toxicities secondary to cisplatin treatment. It suggests that it could be used in clinical trials, whereby the effective dose, timing, and route should be adjusted to optimize chemoprotection. This review provides an overview of the effect of NAC on cisplatin toxicity, a drug widely used in the clinic in adults and children.
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Affiliation(s)
- Angeles Citlali Zavala-Valencia
- Laboratory of Pharmacology, National Institute of Pediatrics, Mexico City, Mexico
- Iztacala Faculty of Higher Studies, Tlalnepantla, México
| | | | | | - Manuel Castillejos-López
- Hospital Epidemiology and Infectology Unit, National Institute of Respiratory Diseases Ismael Cosío Villegas, Mexico City, Mexico
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Li Y, Wu J, Yu H, Lu X, Ni Y. Formononetin ameliorates cisplatin-induced hair cell death via activation of the PI3K/AKT-Nrf2 signaling pathway. Heliyon 2024; 10:e23750. [PMID: 38192850 PMCID: PMC10772176 DOI: 10.1016/j.heliyon.2023.e23750] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Revised: 10/23/2023] [Accepted: 12/12/2023] [Indexed: 01/10/2024] Open
Abstract
Cisplatin (CDDP) stands as a highly effective chemotherapeutic agent; however, its ototoxicity remains a perplexing challenge in the field. Formononetin (FMNT), a potent flavonoid isolated from Astragalus membranaceus, displays a diverse range of promising pharmacological activities, encompassing antioxidant, anti-apoptotic, and anti-inflammatory effects. Nonetheless, the advantageous effects of FMNT on cisplatin-induced cochlear hair cell injury demand further investigation. This study aimed to assess the protective properties of FMNT against cisplatin-induced hair cell damage by conducting in vitro assays on explant-cultured cochlear hair cells. The findings revealed that FMNT exhibited a notable reduction in cisplatin-induced hair cell apoptosis. Also, FMNT effectively mitigated the accumulation of reactive oxygen species and mitochondrial damage in cochlear explants exposed to cisplatin, while also restoring the turnover of the reduced glutathione (GSH)/glutathione disulfide (GSSG) ratio. Furthermore, our study demonstrated that FMNT protects hair cells against CDDP injury through the activation of the PI3K/AKT-Nrf2 signaling pathway. Consequently, formononetin emerges as a potential therapeutic agent for the treatment of cisplatin-induced ototoxicity.
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Affiliation(s)
- Yimeng Li
- Otorhinolaryngology Department and ENT Institute of Eye & ENT Hospital, State Key Laboratory of Medical Neurobiology, NHC Key Laboratory of Hearing Medicine Research, Fudan University, Shanghai 200031, People's Republic of China
| | - Jingfang Wu
- Otorhinolaryngology Department and ENT Institute of Eye & ENT Hospital, State Key Laboratory of Medical Neurobiology, NHC Key Laboratory of Hearing Medicine Research, Fudan University, Shanghai 200031, People's Republic of China
| | - Huiqian Yu
- Otorhinolaryngology Department and ENT Institute of Eye & ENT Hospital, State Key Laboratory of Medical Neurobiology, NHC Key Laboratory of Hearing Medicine Research, Fudan University, Shanghai 200031, People's Republic of China
| | - Xiaoling Lu
- Otorhinolaryngology Department and ENT Institute of Eye & ENT Hospital, State Key Laboratory of Medical Neurobiology, NHC Key Laboratory of Hearing Medicine Research, Fudan University, Shanghai 200031, People's Republic of China
| | - Yusu Ni
- Otorhinolaryngology Department and ENT Institute of Eye & ENT Hospital, State Key Laboratory of Medical Neurobiology, NHC Key Laboratory of Hearing Medicine Research, Fudan University, Shanghai 200031, People's Republic of China
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Hong MK, Echanique KA, Hoffman LF, Kita AE. Designing a Prolonged Method of Therapeutic Delivery to Support Rehabilitation From Ototoxic Damage in a Schwann Cell Model. Otol Neurotol 2023; 44:373-381. [PMID: 36791364 PMCID: PMC10038897 DOI: 10.1097/mao.0000000000003839] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/17/2023]
Abstract
HYPOTHESIS The ototoxicity of gentamicin and cisplatin can be evaluated with a Schwann cell model to screen for otoprotective agents that can be encapsulated into poly (lactic-co-glycolic acid) (PLGA) microparticles for drug delivery to the inner ear. BACKGROUND Aminoglycosides and cisplatin are widely prescribed but known to cause ototoxicity. There is strong evidence that compromise to Schwann cells ensheathing inner ear afferent neurons results in inner ear dysfunction mimicking drug-induced ototoxicity. There is a need for a model for ototoxic demyelination to screen medications for protective potential and to subsequently target and tune the delivery of any promising agents. METHODS RT4-D6P2T rat schwannoma cells were used as a Schwann cell model to assess gentamicin and cisplatin toxicity and to screen for protective agents. Cell viability was evaluated with the MTT cell proliferation assay. N -acetylcysteine (NAC) was encapsulated into a PLGA microparticle, and its elution profile was determined. RESULTS The estimated 50% lethal concentration dose for gentamicin was 805.6 μM, which was 46-fold higher than that for cisplatin (17.5 μM). In several trials, cells dosed with NAC and cisplatin demonstrated a 22.6% ( p < 0.001) increase in cell viability when compared with cisplatin alone. However, this protective effect was not consistent across all trials. NAC was encapsulated into a PLGA microparticle and elution plateaued at 5 days. CONCLUSION When dosed at their respective therapeutic ranges, cisplatin is more likely than gentamicin to induce damage to the Schwann cell model. Although NAC demonstrates an uncertain role in protecting against cisplatin-induced Schwann cell cytotoxicity, this study establishes a method to screen for other otoprotective medications to encapsulate into a tunable microparticle for localized drug delivery.
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Affiliation(s)
- Michelle K Hong
- Department of Head and Neck Surgery, David Geffen School of Medicine at UCLA, Los Angeles, California
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He Y, Zheng Z, Liu C, Li W, Zhao L, Nie G, Li H. Inhibiting DNA methylation alleviates cisplatin-induced hearing loss by decreasing oxidative stress-induced mitochondria-dependent apoptosis via the LRP1-PI3K/AKT pathway. Acta Pharm Sin B 2022; 12:1305-1321. [PMID: 35530135 PMCID: PMC9069410 DOI: 10.1016/j.apsb.2021.11.002] [Citation(s) in RCA: 33] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2021] [Revised: 10/29/2021] [Accepted: 11/01/2021] [Indexed: 12/15/2022] Open
Abstract
Cisplatin-related ototoxicity is a critical side effect of chemotherapy and can lead to irreversible hearing loss. This study aimed to assess the potential effect of the DNA methyltransferase (DNMT) inhibitor RG108 on cisplatin-induced ototoxicity. Immunohistochemistry, apoptosis assay, and auditory brainstem response (ABR) were employed to determine the impacts of RG108 on cisplatin-induced injury in murine hair cells (HCs) and spiral ganglion neurons (SGNs). Rhodamine 123 and TMRM were utilized for mitochondrial membrane potential (MMP) assessment. Reactive oxygen species (ROS) amounts were evaluated by Cellrox green and Mitosox-red probes. Mitochondrial respiratory function evaluation was performed by determining oxygen consumption rates (OCRs). The results showed that RG108 can markedly reduce cisplatin induced damage in HCs and SGNs, and alleviate apoptotic rate by protecting mitochondrial function through preventing ROS accumulation. Furthermore, RG108 upregulated BCL-2 and downregulated APAF1, BAX, and BAD in HEI-OC1 cells, and triggered the PI3K/AKT pathway. Decreased expression of low-density lipoprotein receptor-related protein 1 (LRP1) and high methylation of the LRP1 promoter were observed after cisplatin treatment. RG108 treatment can increase LRP1 expression and decrease LRP1 promoter methylation. In conclusion, RG108 might represent a new potential agent for preventing hearing loss induced by cisplatin via activating the LRP1-PI3K/AKT pathway.
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Key Words
- 5-mC, 5-methylcytosine
- ABR, auditory brainstem response
- Apoptosis
- Cisplatin
- DNMT
- DNMT, DNA methyltransferase
- EdU, 5-ethynyl-2′-deoxyuridine
- HCs, hair cells
- Hair cell
- IHCs, inner hair cells
- LRP1, low-density lipoprotein receptor-related protein 1
- MMP, mitochondrial membrane potential
- Mitochondrial dysfunction
- OCRs, oxygen consumption rates
- OHCs, outer hair cells
- PI, propidium iodide
- RG108
- ROS
- ROS, reactive oxygen species
- SGNs, spiral ganglion neurons
- Spiral ganglion neurons
- TUNEL, terminal deoxynucleotidyl transferase-mediated dUTP nick-end-labeling
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Zhang L, Chen S, Sun Y. Mechanism and Prevention of Spiral Ganglion Neuron Degeneration in the Cochlea. Front Cell Neurosci 2022; 15:814891. [PMID: 35069120 PMCID: PMC8766678 DOI: 10.3389/fncel.2021.814891] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2021] [Accepted: 12/09/2021] [Indexed: 12/14/2022] Open
Abstract
Sensorineural hearing loss (SNHL) is one of the most prevalent sensory deficits in humans, and approximately 360 million people worldwide are affected. The current treatment option for severe to profound hearing loss is cochlear implantation (CI), but its treatment efficacy is related to the survival of spiral ganglion neurons (SGNs). SGNs are the primary sensory neurons, transmitting complex acoustic information from hair cells to second-order sensory neurons in the cochlear nucleus. In mammals, SGNs have very limited regeneration ability, and SGN loss causes irreversible hearing loss. In most cases of SNHL, SGN damage is the dominant pathogenesis, and it could be caused by noise exposure, ototoxic drugs, hereditary defects, presbycusis, etc. Tremendous efforts have been made to identify novel treatments to prevent or reverse the damage to SGNs, including gene therapy and stem cell therapy. This review summarizes the major causes and the corresponding mechanisms of SGN loss and the current protection strategies, especially gene therapy and stem cell therapy, to promote the development of new therapeutic methods.
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Affiliation(s)
- Li Zhang
- Department of Otorhinolaryngology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Sen Chen
- Department of Otorhinolaryngology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yu Sun
- Department of Otorhinolaryngology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Institute of Otorhinolaryngology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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Jaudoin C, Carré F, Gehrke M, Sogaldi A, Steinmetz V, Hue N, Cailleau C, Tourrel G, Nguyen Y, Ferrary E, Agnely F, Bochot A. Transtympanic injection of a liposomal gel loaded with N-acetyl-L-cysteine: A relevant strategy to prevent damage induced by cochlear implantation in guinea pigs? Int J Pharm 2021; 604:120757. [PMID: 34058306 DOI: 10.1016/j.ijpharm.2021.120757] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Revised: 05/26/2021] [Accepted: 05/27/2021] [Indexed: 01/17/2023]
Abstract
Patients with residual hearing can benefit from cochlear implantation. However, insertion can damage cochlear structures and generate oxidative stress harmful to auditory cells. The antioxidant N-acetyl-L-cysteine (NAC) is a precursor of glutathione (GSH), a powerful endogenous antioxidant. NAC local delivery to the inner ear appeared promising to prevent damage after cochlear implantation in animals. NAC-loaded liposomal gel was specifically designed for transtympanic injection, performed both 3 days before and on the day of surgery. Hearing thresholds were recorded over 30 days in implanted guinea pigs with and without NAC. NAC, GSH, and their degradation products, N,N'-diacetyl-L-cystine (DiNAC) and oxidized glutathione (GSSG) were simultaneously quantified in the perilymph over 15 days in non-implanted guinea pigs. For the first time, endogenous concentrations of GSH and GSSG were determined in the perilymph. Although NAC-loaded liposomal gel sustained NAC release in the perilymph over 15 days, it induced hearing loss in both implanted and non-implanted groups with no perilymphatic GSH increase. Under physiological conditions, NAC appeared poorly stable within liposomes. As DiNAC was quantified at concentrations which were twice as high as NAC in the perilymph, it was hypothesized that DiNAC could be responsible for the adverse effects on hearing.
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Affiliation(s)
- Céline Jaudoin
- Université Paris-Saclay, CNRS, Institut Galien Paris-Saclay, 5 rue J-B Clément, 92296 Châtenay-Malabry, France.
| | - Fabienne Carré
- Inserm/Institut Pasteur, Institut de l'audition, Technologies et thérapie génique pour la surdité, 63 rue de Charenton, 75012 Paris, France.
| | - Maria Gehrke
- Université Paris-Saclay, CNRS, Institut Galien Paris-Saclay, 5 rue J-B Clément, 92296 Châtenay-Malabry, France.
| | - Audrey Sogaldi
- UMS IPSIT, SAMM, Faculté de Pharmacie, Université Paris-Saclay, 5 rue J-B Clément, 92296 Châtenay-Malabry, France.
| | - Vincent Steinmetz
- Université Paris-Saclay, CNRS, Institut de Chimie des Substances Naturelles, UPR 2301, 91198 Gif-sur-Yvette, France.
| | - Nathalie Hue
- Université Paris-Saclay, CNRS, Institut de Chimie des Substances Naturelles, UPR 2301, 91198 Gif-sur-Yvette, France.
| | - Catherine Cailleau
- Université Paris-Saclay, CNRS, Institut Galien Paris-Saclay, 5 rue J-B Clément, 92296 Châtenay-Malabry, France.
| | - Guillaume Tourrel
- Oticon Medical/Neurelec SAS, Research & Technology Department, 2720 chemin Saint-Bernard, Vallauris, France.
| | - Yann Nguyen
- Inserm/Institut Pasteur, Institut de l'audition, Technologies et thérapie génique pour la surdité, 63 rue de Charenton, 75012 Paris, France; Sorbonne Université, AP-HP, GHU Pitié-Salpêtrière, DMU ChIR, Service ORL, GRC Robotique et Innovation Chirurgicale, 47-83, boulevard de l'hôpital, 75013 Paris, France.
| | - Evelyne Ferrary
- Inserm/Institut Pasteur, Institut de l'audition, Technologies et thérapie génique pour la surdité, 63 rue de Charenton, 75012 Paris, France.
| | - Florence Agnely
- Université Paris-Saclay, CNRS, Institut Galien Paris-Saclay, 5 rue J-B Clément, 92296 Châtenay-Malabry, France.
| | - Amélie Bochot
- Université Paris-Saclay, CNRS, Institut Galien Paris-Saclay, 5 rue J-B Clément, 92296 Châtenay-Malabry, France.
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10
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Tang Q, Wang X, Jin H, Mi Y, Liu L, Dong M, Chen Y, Zou Z. Cisplatin-induced ototoxicity: Updates on molecular mechanisms and otoprotective strategies. Eur J Pharm Biopharm 2021; 163:60-71. [PMID: 33775853 DOI: 10.1016/j.ejpb.2021.03.008] [Citation(s) in RCA: 55] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Revised: 02/20/2021] [Accepted: 03/15/2021] [Indexed: 02/06/2023]
Abstract
Cisplatin is a highly effective antitumor drug generally used in the treatment of solid malignant tumors. However, cisplatin causes severe side effects such as bone marrow depression, nephrotoxicity, and ototoxicity, thus limiting its clinical application. The incidence of ototoxicity induced by cisplatin ranges from 20% to 70%, and it usually manifests as a progressive, bilateral and irreversible hearing loss. Although the etiology of cisplatin-induced ototoxicity remains unclear, an increasing body of evidence suggests that the ototoxicity of cisplatin is mainly related to the production of reactive oxygen species and activation of apoptotic pathway in cochlear tissues. Many drugs have been well proved to protect cisplatin-induced hearing loss in vitro and in vivo. However, the anti-tumor effect of cisplatin is also weakened by systemic administration of those drugs for hearing protection, especially antioxidants. Therefore, establishing a local administration strategy contributes to the otoprotection without affecting the effect of cisplatin. This review introduces the pathology of ototoxicity caused by cisplatin, and focuses on recent developments in the mechanisms and protective strategies of cisplatin-induced ototoxicity.
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Affiliation(s)
- Qing Tang
- MOE Key Laboratory of Laser Life Science & Institute of Laser Life Science, College of Biophotonics, South China Normal University, Guangzhou 510631, China; Guangdong Provincial Key Laboratory of Laser Life Science, College of Biophotonics, South China Normal University, Guangzhou 510631, China
| | - Xianren Wang
- Department of Otorhinolaryngology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, China
| | - Huan Jin
- MOE Key Laboratory of Laser Life Science & Institute of Laser Life Science, College of Biophotonics, South China Normal University, Guangzhou 510631, China; Guangdong Provincial Key Laboratory of Laser Life Science, College of Biophotonics, South China Normal University, Guangzhou 510631, China
| | - Yanjun Mi
- Department of Medical Oncology, Xiamen Key Laboratory of Antitumor Drug Transformation Research and Thoracic Tumor Diagnosis & Treatment, The First Affiliated Hospital of Xiamen University, Teaching Hospital of Fujian Medical University, Xiamen, China
| | - Lingfeng Liu
- MOE Key Laboratory of Laser Life Science & Institute of Laser Life Science, College of Biophotonics, South China Normal University, Guangzhou 510631, China; Guangdong Provincial Key Laboratory of Laser Life Science, College of Biophotonics, South China Normal University, Guangzhou 510631, China
| | - Mengyuan Dong
- MOE Key Laboratory of Laser Life Science & Institute of Laser Life Science, College of Biophotonics, South China Normal University, Guangzhou 510631, China; Guangdong Provincial Key Laboratory of Laser Life Science, College of Biophotonics, South China Normal University, Guangzhou 510631, China
| | - Yibing Chen
- Genetic and Prenatal Diagnosis Center, Department of Gynecology and Obstetrics, First Affiliated Hospital, Zhengzhou University, Zhengzhou 450052, China.
| | - Zhengzhi Zou
- MOE Key Laboratory of Laser Life Science & Institute of Laser Life Science, College of Biophotonics, South China Normal University, Guangzhou 510631, China; Guangdong Provincial Key Laboratory of Laser Life Science, College of Biophotonics, South China Normal University, Guangzhou 510631, China; Guangzhou Key Laboratory of Spectral Analysis and Functional Probes, College of Biophotonics, South China Normal University, Guangzhou 510631, China.
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11
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Stanford JK, Bosworth NA, Morgan DS, Chen T, Spankovich C. A clinically derived guinea pig dosing model of cisplatin ototoxicity. Hear Res 2021; 404:108202. [PMID: 33621791 DOI: 10.1016/j.heares.2021.108202] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/07/2020] [Revised: 01/20/2021] [Accepted: 02/02/2021] [Indexed: 01/10/2023]
Abstract
The guinea pig is a commonly-used animal model in hearing research, as their audible frequency range is similar to that of humans, and they possess comparatively large cochleae among rodents. Numerous studies have investigated the ototoxic effects of cisplatin in guinea pigs, but these have been mostly limited to single high-dose bolus injections of cisplatin. This method of drug administration is not consistent with human treatment schedules, and therefore lacks translational value to clinical applications. We tested several different cisplatin dosing schedules in guinea pigs based on common research based and clinical regimens, measuring the resulting hearing loss and morbidity (weight loss). We propose a dosing paradigm of once-weekly 4 mg/kg cisplatin injections for three weeks to best mimic clinical treatment schedules. This method resulted in a configuration of hearing loss similar to what is observed in humans along with minimal changes in weight.
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Affiliation(s)
- James K Stanford
- Department of Otolaryngology and Communicative Sciences, University of Mississippi Medical Center, 2500 North State Street, Jackson, MS 39216, USA.
| | - Nicholas A Bosworth
- Department of Otolaryngology and Communicative Sciences, University of Mississippi Medical Center, 2500 North State Street, Jackson, MS 39216, USA; School of Medicine, University of Mississippi Medical Center, 2500 North State Street, Jackson, MS 39216, USA.
| | - Drew S Morgan
- Department of Otolaryngology and Communicative Sciences, University of Mississippi Medical Center, 2500 North State Street, Jackson, MS 39216, USA; School of Medicine, University of Mississippi Medical Center, 2500 North State Street, Jackson, MS 39216, USA.
| | - Tianwen Chen
- Department of Otolaryngology and Communicative Sciences, University of Mississippi Medical Center, 2500 North State Street, Jackson, MS 39216, USA.
| | - Christopher Spankovich
- Department of Otolaryngology and Communicative Sciences, University of Mississippi Medical Center, 2500 North State Street, Jackson, MS 39216, USA.
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12
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Nanocarriers for drug delivery to the inner ear: Physicochemical key parameters, biodistribution, safety and efficacy. Int J Pharm 2020; 592:120038. [PMID: 33159985 DOI: 10.1016/j.ijpharm.2020.120038] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2020] [Revised: 10/27/2020] [Accepted: 10/28/2020] [Indexed: 12/26/2022]
Abstract
Despite the high incidence of inner ear disorders, there are still no dedicated medications on the market. Drugs are currently administered by the intratympanic route, the safest way to maximize drug concentration in the inner ear. Nevertheless, therapeutic doses are ensured for only a few minutes/hours using drug solutions or suspensions. The passage through the middle ear barrier strongly depends on drug physicochemical characteristics. For the past 15 years, drug encapsulation into nanocarriers has been developed to overcome this drawback. Nanocarriers are well known to sustain drug release and protect it from degradation. In this review, in vivo studies are detailed concerning nanocarrier biodistribution, their pathway mechanisms in the inner ear and the resulting drug pharmacokinetics. Key parameters influencing nanocarrier biodistribution are identified and discussed: nanocarrier size, concentration, surface composition and shape. Recent advanced strategies that combine nanocarriers with hydrogels, specific tissue targeting or modification of the round window permeability (cell-penetrating peptide, magnetic delivery) are explored. Most of the nanocarriers appear to be safe for the inner ear and provide a significant efficacy over classic formulations in animal models. However, many challenges remain to be overcome for future clinical applications.
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13
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Clinical trials evaluating transtympanic otoprotectants for cisplatin-induced ototoxicity: what do we know so far? Eur Arch Otorhinolaryngol 2020; 277:2413-2422. [PMID: 32358651 DOI: 10.1007/s00405-020-06003-w] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2020] [Accepted: 04/20/2020] [Indexed: 12/12/2022]
Abstract
BACKGROUND Cisplatin (CDDP) chemotherapy can cause serious side effects including irreversible and progressive hearing loss. Studies have aimed to assess potential protective strategies; however, systemic treatments have presented variable results, and potential interactions with CDDP have limited clinical trials. METHODS A review of the literature was performed in order to evaluate clinical trials that have studied a transtympanic approach as an otoprotectant strategy. RESULTS Six clinical trials were included. While a transtympanic approach can limit side effects and avoid interactions with CDDP, recurrent issues have been expressed including which otoprotectant to test, time delays between CDDP treatment and transtympanic injections, side effects such as pain and dizziness, concentrations, and number of injections. Clinical trials have used sodium thiosulfate, N-acetylcysteine and dexamethasone. CONCLUSIONS While a transtympanic approach seems like an attractive strategy, further research is needed to clarify which is the optimal otoprotectant, its dosage, and the number of injections.
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14
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Naert G, Pasdelou MP, Le Prell CG. Use of the guinea pig in studies on the development and prevention of acquired sensorineural hearing loss, with an emphasis on noise. THE JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA 2019; 146:3743. [PMID: 31795705 PMCID: PMC7195866 DOI: 10.1121/1.5132711] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/10/2019] [Revised: 07/30/2019] [Accepted: 08/12/2019] [Indexed: 05/10/2023]
Abstract
Guinea pigs have been used in diverse studies to better understand acquired hearing loss induced by noise and ototoxic drugs. The guinea pig has its best hearing at slightly higher frequencies relative to humans, but its hearing is more similar to humans than the rat or mouse. Like other rodents, it is more vulnerable to noise injury than the human or nonhuman primate models. There is a wealth of information on auditory function and vulnerability of the inner ear to diverse insults in the guinea pig. With respect to the assessment of potential otoprotective agents, guinea pigs are also docile animals that are relatively easy to dose via systemic injections or gavage. Of interest, the cochlea and the round window are easily accessible, notably for direct cochlear therapy, as in the chinchilla, making the guinea pig a most relevant and suitable model for hearing. This article reviews the use of the guinea pig in basic auditory research, provides detailed discussion of its use in studies on noise injury and other injuries leading to acquired sensorineural hearing loss, and lists some therapeutics assessed in these laboratory animal models to prevent acquired sensorineural hearing loss.
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Affiliation(s)
| | | | - Colleen G Le Prell
- School of Behavioral and Brain Sciences, University of Texas at Dallas, Dallas, Texas 75080, USA
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15
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Yu X, Man R, Li Y, Yang Q, Li H, Yang H, Bai X, Yin H, Li J, Wang H. Paeoniflorin protects spiral ganglion neurons from cisplatin-induced ototoxicity: Possible relation to PINK1/BAD pathway. J Cell Mol Med 2019; 23:5098-5107. [PMID: 31207045 PMCID: PMC6653418 DOI: 10.1111/jcmm.14379] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2018] [Revised: 03/24/2019] [Accepted: 04/28/2019] [Indexed: 12/17/2022] Open
Abstract
The objective of this study was to elucidate whether paeoniflorin (PF) exerted an effect on cisplatin‐induced spiral ganglion neuron (SGN) damage, with special attention given to the role of PINK1/BAD pathway in this process. Middle cochlear turn culture and C57BL/6 mice were utilized to identify the character of PF in vitro and in vivo. We found that cisplatin treatment led to SGN damage, in which reactive oxygen species (ROS) generation increased, PINK1 expression decreased, BAD accumulation on mitochondria raised and mitochondrial apoptotic pathway activated. Conversely, we demonstrated that PF pre‐treatment obviously mitigated cisplatin‐induced SGN damage. Mechanistic studies showed that PF could reduce ROS levels, increase PINK1 expression, decrease the BAD accumulation on mitochondria and, thus, alleviate the activated mitochondrial apoptosis in SGNs caused by cisplatin. Overall, the findings from this work reveal the important role of PF and provide another strategy against cisplatin‐induced ototoxicity.
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Affiliation(s)
- Xiaoyu Yu
- Shandong Provincial ENT Hospital affiliated to Shandong University, Jinan, China
| | - Rongjun Man
- Department of Otolaryngology Head and Neck Surgery, Zibo Central Hospital, Zibo, China
| | - Yanan Li
- Shandong Provincial ENT Hospital affiliated to Shandong University, Jinan, China
| | - Qianqian Yang
- Shandong Provincial ENT Hospital affiliated to Shandong University, Jinan, China
| | - Hongrui Li
- Shandong Provincial ENT Hospital affiliated to Shandong University, Jinan, China
| | - Huiming Yang
- Shandong Provincial ENT Hospital affiliated to Shandong University, Jinan, China
| | - Xiaohui Bai
- Shandong Provincial ENT Hospital affiliated to Shandong University, Jinan, China
| | - Haiyan Yin
- Department of Histology and Embryology, College of basic Medicine, Jining Medical University, Jinan, China
| | - Jianfeng Li
- Shandong Provincial ENT Hospital affiliated to Shandong University, Jinan, China
| | - Haibo Wang
- Shandong Provincial ENT Hospital affiliated to Shandong University, Jinan, China
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16
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Rosati R, Shahab M, Neumann WL, Jamesdaniel S. Inhibition of protein nitration prevents cisplatin-induced inactivation of STAT3 and promotes anti-apoptotic signaling in organ of Corti cells. Exp Cell Res 2019; 381:105-111. [PMID: 31078568 DOI: 10.1016/j.yexcr.2019.05.008] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2018] [Revised: 05/01/2019] [Accepted: 05/04/2019] [Indexed: 10/26/2022]
Abstract
JAK/STAT pathway is one among the several oxidative stress-responsive signaling pathways that play a critical role in facilitating cisplatin-induced ototoxicity. Cisplatin treatment decreases the levels of cochlear LMO4, which acts as a scaffold for IL6-GP130 protein complex. Cisplatin-induced nitration and degradation of LMO4 could destabilize this protein complex, which in turn could compromise the downstream STAT3-mediated cellular defense mechanism. Here, we investigated the link between cisplatin-induced nitrative stress and STAT3-mediated apoptosis by using organ of Corti cell cultures. SRI110, a peroxynitrite decomposition catalyst that prevented cisplatin-induced decrease in LMO4 levels and ototoxicity, was used to inhibit nitrative stress. Immunoblotting and immunostaining indicated that cisplatin treatment decreased the expression levels, phosphorylation, and nuclear localization of STAT3 in UB/OC1 cells. Inhibition of nitration by SRI110 co-treatment prevented cisplatin-induced inactivation of STAT3 and promoted its nuclear localization. SRI110 co-treatment reversed the cisplatin-induced changes in the expression levels of Bcl2l1, Ccnd1, Jak2, Jak3, and Src and significantly attenuated the changes in the expression levels of Cdkn1a, Egfr, Fas, Il6st, Jak1, Stat3, and Tyk2. Collectively, these results suggest that the inhibition of cisplatin-induced nitration prevents the inactivation of STAT3, which in turn enables the transcription of anti-apoptotic genes and thereby helps to mitigate cisplatin-induced toxicity.
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Affiliation(s)
- Rita Rosati
- Institute of Environmental Health Sciences, Wayne State University, Detroit, MI, USA
| | - Monazza Shahab
- Institute of Environmental Health Sciences, Wayne State University, Detroit, MI, USA
| | - William L Neumann
- Department of Pharmaceutical Sciences, Southern Illinois University Edwardsville, Edwardsville, IL, USA
| | - Samson Jamesdaniel
- Institute of Environmental Health Sciences, Wayne State University, Detroit, MI, USA; Department of Family Medicine and Public Health Sciences, Wayne State University, Detroit, MI, USA.
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17
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Liu W, Xu X, Fan Z, Sun G, Han Y, Zhang D, Xu L, Wang M, Wang X, Zhang S, Tang M, Li J, Chai R, Wang H. Wnt Signaling Activates TP53-Induced Glycolysis and Apoptosis Regulator and Protects Against Cisplatin-Induced Spiral Ganglion Neuron Damage in the Mouse Cochlea. Antioxid Redox Signal 2019; 30:1389-1410. [PMID: 29587485 DOI: 10.1089/ars.2017.7288] [Citation(s) in RCA: 102] [Impact Index Per Article: 20.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
AIMS Cisplatin can damage spiral ganglion neurons (SGNs) and cause sensorineural hearing loss. Wnt activation protects against neomycin-induced hair cell damage in the mouse cochlea, but the role of Wnt signaling in protecting SGNs from cisplatin treatment has not yet been elucidated. This study was designed to investigate the neuroprotective effects of Wnt signaling against cisplatin-induced SGN damage. RESULTS First, we found that Wnt signaling was activated in SGNs after cisplatin treatment. Next, we discovered that overexpression (OE) of Wnt signaling in SGNs reduced cisplatin-induced SGN loss by inhibiting caspase-associated apoptosis, thus preventing the loss of SGN function after cisplatin treatment. In contrast, inhibition of Wnt signaling increased apoptosis, made SGNs more vulnerable to cisplatin treatment, and exacerbated hearing loss. TP53-induced glycolysis and apoptosis regulator (TIGAR), which scavenges intracellular reactive oxygen species (ROS), was upregulated in SGNs in response to cisplatin administration. Wnt/β-catenin activation increased TIGAR expression and reduced ROS level, while inhibition of Wnt/β-catenin in SGNs reduced TIGAR expression and increased the ROS level. Moreover, OE of TIGAR reduced ROS and decreased caspase 3 expression, as well as increased the survival of SGNs in Wnt-inhibited SGNs. Finally, antioxidant treatment rescued the more severe SGN loss induced by β-catenin deficiency after cisplatin treatment. Innovation and Conclusion: This study is the first to indicate that Wnt signaling activates TIGAR and protects SGNs against cisplatin-induced damage through the inhibition of oxidative stress and apoptosis in SGNs, and this might offer novel therapeutic targets for the prevention of SGN injury. Antioxid. Redox Signal. 00, 000-000.
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Affiliation(s)
- Wenwen Liu
- 1 Otolaryngology-Head and Neck Surgery, Shandong Provincial Hospital Affiliated to Shandong University , Jinan, China .,2 Shandong Provincial Key Laboratory of Otology , Jinan, China
| | - Xiaochen Xu
- 3 Key Laboratory for Developmental Genes and Human Disease, Ministry of Education, Institute of Life Sciences, Southeast University , Nanjing, China
| | - Zhaomin Fan
- 1 Otolaryngology-Head and Neck Surgery, Shandong Provincial Hospital Affiliated to Shandong University , Jinan, China .,2 Shandong Provincial Key Laboratory of Otology , Jinan, China
| | - Gaoying Sun
- 1 Otolaryngology-Head and Neck Surgery, Shandong Provincial Hospital Affiliated to Shandong University , Jinan, China .,2 Shandong Provincial Key Laboratory of Otology , Jinan, China
| | - Yuechen Han
- 1 Otolaryngology-Head and Neck Surgery, Shandong Provincial Hospital Affiliated to Shandong University , Jinan, China .,2 Shandong Provincial Key Laboratory of Otology , Jinan, China
| | - Daogong Zhang
- 1 Otolaryngology-Head and Neck Surgery, Shandong Provincial Hospital Affiliated to Shandong University , Jinan, China .,2 Shandong Provincial Key Laboratory of Otology , Jinan, China
| | - Lei Xu
- 1 Otolaryngology-Head and Neck Surgery, Shandong Provincial Hospital Affiliated to Shandong University , Jinan, China .,2 Shandong Provincial Key Laboratory of Otology , Jinan, China
| | - Mingming Wang
- 1 Otolaryngology-Head and Neck Surgery, Shandong Provincial Hospital Affiliated to Shandong University , Jinan, China .,2 Shandong Provincial Key Laboratory of Otology , Jinan, China
| | - Xue Wang
- 1 Otolaryngology-Head and Neck Surgery, Shandong Provincial Hospital Affiliated to Shandong University , Jinan, China .,2 Shandong Provincial Key Laboratory of Otology , Jinan, China
| | - Shasha Zhang
- 3 Key Laboratory for Developmental Genes and Human Disease, Ministry of Education, Institute of Life Sciences, Southeast University , Nanjing, China
| | - Mingliang Tang
- 3 Key Laboratory for Developmental Genes and Human Disease, Ministry of Education, Institute of Life Sciences, Southeast University , Nanjing, China
| | - Jianfeng Li
- 1 Otolaryngology-Head and Neck Surgery, Shandong Provincial Hospital Affiliated to Shandong University , Jinan, China .,2 Shandong Provincial Key Laboratory of Otology , Jinan, China
| | - Renjie Chai
- 3 Key Laboratory for Developmental Genes and Human Disease, Ministry of Education, Institute of Life Sciences, Southeast University , Nanjing, China .,4 Jiangsu Key Laboratory of Neuroregeneration, Co-Innovation Center of Neuroregeneration, Nantong University , Nantong, China .,5 Research Institute of Otolaryngology , Nanjing, China .,6 Jiangsu Province High-Tech Key Laboratory for Bio-Medical Research, Southeast University , Nanjing, China
| | - Haibo Wang
- 1 Otolaryngology-Head and Neck Surgery, Shandong Provincial Hospital Affiliated to Shandong University , Jinan, China .,2 Shandong Provincial Key Laboratory of Otology , Jinan, China
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18
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Lee MY, Park YH. Potential of Gene and Cell Therapy for Inner Ear Hair Cells. BIOMED RESEARCH INTERNATIONAL 2018; 2018:8137614. [PMID: 30009175 PMCID: PMC6020521 DOI: 10.1155/2018/8137614] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/10/2018] [Revised: 04/11/2018] [Accepted: 05/15/2018] [Indexed: 02/06/2023]
Abstract
Sensorineural hearing loss is caused by the loss of sensory hair cells (HCs) or a damaged afferent nerve pathway to the auditory cortex. The most common option for the treatment of sensorineural hearing loss is hearing rehabilitation using hearing devices. Various kinds of hearing devices are available but, despite recent advancements, their perceived sound quality does not mimic that of the "naïve" cochlea. Damage to crucial cochlear structures is mostly irreversible and results in permanent hearing loss. Cochlear HC regeneration has long been an important goal in the field of hearing research. However, it remains challenging because, thus far, no medical treatment has successfully regenerated cochlear HCs. Recent advances in genetic modulation and developmental techniques have led to novel approaches to generating HCs or protecting against HC loss, to preserve hearing. In this review, we present and review the current status of two different approaches to restoring or protecting hearing, gene therapy, including the newly introduced CRISPR/Cas9 genome editing, and stem cell therapy, and suggest the future direction.
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Affiliation(s)
- Min Yong Lee
- Department of Otorhinolaryngology and Head & Neck Surgery, Dankook University Hospital, Cheonan, Chungnam, Republic of Korea
| | - Yong-Ho Park
- Department of Otolaryngology-Head and Neck Surgery, College of Medicine, Chungnam National University, Daejeon, Republic of Korea
- Brain Research Institute, College of Medicine, Chungnam National University, Daejeon, Republic of Korea
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19
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Cisplatin-induced human peripheral blood mononuclear cells’ oxidative stress and nephrotoxicity in head and neck cancer patients: the influence of hydrogen peroxide. Mol Cell Biochem 2017; 440:139-145. [DOI: 10.1007/s11010-017-3162-2] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2017] [Accepted: 08/16/2017] [Indexed: 01/09/2023]
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20
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Tuan BT, Visacri MB, Amaral LS, Baldini D, Ferrari GB, Quintanilha JCF, Pincinato EC, Mazzola PG, Lima CSP, Moriel P. Effects of High-Dose Cisplatin Chemotherapy and Conventional Radiotherapy on Urinary Oxidative and Nitrosative Stress Biomarkers in Patients with Head and Neck Cancer. Basic Clin Pharmacol Toxicol 2015; 118:83-6. [DOI: 10.1111/bcpt.12443] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2015] [Accepted: 06/29/2015] [Indexed: 01/09/2023]
Affiliation(s)
- Bruna T. Tuan
- Faculty of Medical Sciences; University of Campinas; Campinas Brazil
| | | | - Laís S. Amaral
- Faculty of Pharmaceutical Sciences; University of Campinas; Campinas Brazil
| | - Daniele Baldini
- Faculty of Pharmaceutical Sciences; University of Campinas; Campinas Brazil
| | | | | | - Eder C. Pincinato
- Faculty of Medical Sciences; University of Campinas; Campinas Brazil
- Department of Biological and Health Science Center; Mackenzie Presbyterian University; São Paulo Brazil
| | - Priscila G. Mazzola
- Faculty of Medical Sciences; University of Campinas; Campinas Brazil
- Faculty of Pharmaceutical Sciences; University of Campinas; Campinas Brazil
| | - Carmen S. P. Lima
- Faculty of Medical Sciences; University of Campinas; Campinas Brazil
| | - Patricia Moriel
- Faculty of Medical Sciences; University of Campinas; Campinas Brazil
- Faculty of Pharmaceutical Sciences; University of Campinas; Campinas Brazil
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