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Hajmohammadi Z, Bagher Z, Taghizadeh-Hesary F, Khodadadi M, Masror N, Asghari A, Valipour B, Seifalian A. Nanodelivery of antioxidant Agents: A promising strategy for preventing sensorineural hearing loss. Eur J Pharm Biopharm 2024; 202:114393. [PMID: 38992481 DOI: 10.1016/j.ejpb.2024.114393] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2024] [Revised: 06/19/2024] [Accepted: 07/02/2024] [Indexed: 07/13/2024]
Abstract
Sensorineural hearing loss (SNHL), often stemming from reactive oxygen species (ROS) generation due to various factors such as ototoxic drugs, acoustic trauma, and aging, remains a significant health concern. Oxidative stress-induced damage to the sensory cells of the inner ear, particularly the non-regenerating hair cells, is a critical pathologic mechanism leading to SNHL. Despite the proven efficacy of antioxidants in mitigating oxidative stress, their clinical application for otoprotection is hindered by the limitations of conventional drug delivery methods. This review highlights the challenges associated with systemic and intratympanic administration of antioxidants, including the blood-labyrinthine barrier, restricted permeability of the round window membrane, and inadequate blood flow to the inner ear. To overcome these hurdles, the application of nanoparticles as a delivery platform for antioxidants emerges as a promising solution. Nanocarriers facilitate indirect drug delivery to the cochlea through the round and oval window membrane, optimising drug absorption while reducing dosage, Eustachian tube clearance, and associated side effects. Furthermore, the development of nanoparticles carrying antioxidants tailored to the intracochlear environment holds immense potential. This literature research aimed to critically examine the root causes of SNHL and ROS overproduction in the inner ear, offering insights into the application of nanoparticle-based drug delivery systems for safeguarding sensorineural hair cells. By focusing on the intricate interplay between oxidative stress and hearing loss, this research aims to contribute to the advancement of innovative therapeutic strategies for the prevention of SNHL.
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Affiliation(s)
- Zeinab Hajmohammadi
- Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Zohreh Bagher
- ENT and Head and Neck Research Center and Department, The Five Senses Health Institute, School of Medicine, Iran University of Medical Sciences, Tehran, Iran.; Department of Tissue Engineering & Regenerative Medicin, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Farzad Taghizadeh-Hesary
- ENT and Head and Neck Research Center and Department, The Five Senses Health Institute, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Mahboobe Khodadadi
- Department of Nanotechnology and Advanced Materials, Materials and Energy Research Centre (MERC), Tehran, Iran
| | - Niki Masror
- Department of Biomedical Engineering, Amirkabir University of Technology (Tehran Polytechnic), Tehran, Iran
| | - Alimohamad Asghari
- Skull Base Research Centre, The Five Senses Health Institute, School of Medicine, Iran University of Medical Science (IUMS), Tehran, Iran
| | - Behnaz Valipour
- Department of Anatomical Sciences, Sarab Faculty of Medical Sciences, Sarab, Iran.; Department of Anatomical Sciences, Faculty of Medicine,Tabriz University of Medical Sciences, Tabriz, Iran..
| | - Alexander Seifalian
- Nanotechnology and Regenerative Medicine Commercialisation Centre, LBIC, University of London, United Kingdom.
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Mittal R, Keith G, Lacey M, Lemos JRN, Mittal J, Assayed A, Hirani K. Diabetes mellitus, hearing loss, and therapeutic interventions: A systematic review of insights from preclinical animal models. PLoS One 2024; 19:e0305617. [PMID: 38985787 PMCID: PMC11236185 DOI: 10.1371/journal.pone.0305617] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2024] [Accepted: 06/02/2024] [Indexed: 07/12/2024] Open
Abstract
OBJECTIVES The aim of this systematic review article is to evaluate the relationship between diabetes mellitus (DM) and sensorineural hearing loss (SNHL) utilizing preclinical animal models. The review focused on studies assessing SNHL in diabetic animal models, elucidating the mechanisms of DM-associated SNHL, and exploring the response of diabetic animal models to noise overexposure. We also discussed studies investigating the efficacy of potential therapeutic strategies for amelioration of DM-associated SNHL in the animal models. METHODS A protocol of this systematic review was designed a priori and was registered in the PROSPERO database (registration number: CRD42023439961). We conducted a comprehensive search on PubMed, Science Direct, Web of Science, Scopus, and EMBASE databases. A minimum of three reviewers independently screened, selected, and extracted data. The risk of bias assessment of eligible studies was conducted using the Systematic Review Center for Laboratory Animal Experimentation (SYRCLE) tool. RESULTS Following the screening of 238 studies, twelve original articles were included in this systematic review. The studies revealed that hyperglycemia significantly affects auditory function, with various pathological mechanisms contributing to DM-induced hearing impairment, including cochlear synaptopathy, microangiopathy, neuropathy, oxidative stress, mitochondrial abnormalities, and apoptosis-mediated cell death. Emerging interventions, such as Asiaticoside, Trigonelline, Chlorogenic acid, and Huotanquyu granules, demonstrated efficacy in providing otoprotection for preserving cochlear hair cells and hearing function. CONCLUSIONS Our systematic review delves into the intricate relationship between DM and hearing impairment in animal models. Future research should focus on targeted therapies to enhance cochlear mitochondrial function, alleviate oxidative stress, and regulate apoptosis. The association between SNHL and social isolation as well as cognitive decline underscores the necessity for innovative therapeutic modalities addressing yet undiscovered mechanisms. Translating findings from animal models to human studies will validate these findings, offering a synergistic approach to effectively manage DM-associated co-morbidities such as hearing impairment.
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Affiliation(s)
- Rahul Mittal
- Diabetes Research Institute, University of Miami Miller School of Medicine, Miami, Florida, United States of America
- Department of Otolaryngology, University of Miami Miller School of Medicine, Miami, Florida, United States of America
| | - Grant Keith
- School of Medicine and Public Health, University of Wisconsin, Madison, Wisconsin, United States of America
| | - Mitchel Lacey
- Herbert Wertheim College of Medicine, Florida International University, Miami, Florida, United States of America
| | - Joana R. N. Lemos
- Diabetes Research Institute, University of Miami Miller School of Medicine, Miami, Florida, United States of America
| | - Jeenu Mittal
- Department of Otolaryngology, University of Miami Miller School of Medicine, Miami, Florida, United States of America
| | - Amro Assayed
- Diabetes Research Institute, University of Miami Miller School of Medicine, Miami, Florida, United States of America
| | - Khemraj Hirani
- Diabetes Research Institute, University of Miami Miller School of Medicine, Miami, Florida, United States of America
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Yang B, Lin Y, Huang Y, Shen YQ, Chen Q. Thioredoxin (Trx): A redox target and modulator of cellular senescence and aging-related diseases. Redox Biol 2024; 70:103032. [PMID: 38232457 PMCID: PMC10827563 DOI: 10.1016/j.redox.2024.103032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2023] [Revised: 12/03/2023] [Accepted: 01/04/2024] [Indexed: 01/19/2024] Open
Abstract
Thioredoxin (Trx) is a compact redox-regulatory protein that modulates cellular redox state by reducing oxidized proteins. Trx exhibits dual functionality as an antioxidant and a cofactor for diverse enzymes and transcription factors, thereby exerting influence over their activity and function. Trx has emerged as a pivotal biomarker for various diseases, particularly those associated with oxidative stress, inflammation, and aging. Recent clinical investigations have underscored the significance of Trx in disease diagnosis, treatment, and mechanistic elucidation. Despite its paramount importance, the intricate interplay between Trx and cellular senescence-a condition characterized by irreversible growth arrest induced by multiple aging stimuli-remains inadequately understood. In this review, our objective is to present a comprehensive and up-to-date overview of the structure and function of Trx, its involvement in redox signaling pathways and cellular senescence, its association with aging and age-related diseases, as well as its potential as a therapeutic target. Our review aims to elucidate the novel and extensive role of Trx in senescence while highlighting its implications for aging and age-related diseases.
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Affiliation(s)
- Bowen Yang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Chinese Academy of Medical Sciences Research Unit of Oral Carcinogenesis and Management, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China.
| | - Yumeng Lin
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Chinese Academy of Medical Sciences Research Unit of Oral Carcinogenesis and Management, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China.
| | - Yibo Huang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Chinese Academy of Medical Sciences Research Unit of Oral Carcinogenesis and Management, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China.
| | - Ying-Qiang Shen
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Chinese Academy of Medical Sciences Research Unit of Oral Carcinogenesis and Management, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China.
| | - Qianming Chen
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Chinese Academy of Medical Sciences Research Unit of Oral Carcinogenesis and Management, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China
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Gu R, Bai L, Yan F, Zhang S, Zhang X, Deng R, Zeng X, Sun B, Hu X, Li Y, Bai J. Thioredoxin-1 decreases alpha-synuclein induced by MPTP through promoting autophagy-lysosome pathway. Cell Death Discov 2024; 10:93. [PMID: 38388451 PMCID: PMC10884002 DOI: 10.1038/s41420-024-01848-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2023] [Revised: 01/28/2024] [Accepted: 02/02/2024] [Indexed: 02/24/2024] Open
Abstract
Parkinson's disease (PD) is characterized by the formation of Lewy body in dopaminergic neurons in the substantia nigra pars compacta (SNpc). Alpha-synuclein (α-syn) is a major component of Lewy body. Autophagy eliminates damaged organelles and abnormal aggregated proteins. Thioredoxin-1 (Trx-1) is a redox regulating protein and plays roles in protecting dopaminergic neurons against neurotoxicity induced by 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP). However, the relationship between Trx-1 and α-syn in PD is still unknown. In the present study, the movement disorder and dopaminergic neurotoxicity in MPTP-treated mice were improved by Trx-1 overexpression and were aggravated by Trx-1 knockdown in the SNpc in mice. The expression of α-syn was increased in the SNpc of MPTP-treated mice, which was inhibited by Trx-1 overexpression and was exacerbated in Trx-1 knockdown mice. Autophagosomes was increased under electron microscope after MPTP treatment, which were recovered in Trx-1 overexpressing mice and were further increased in Trx-1 knockdown in the SNpc in mice. The expressions of phosphatase and tensin homolog deleted on chromosome ten (PTEN)-induced putative kinase 1 (PINK1), Parkin, LC3 II and p62 were increased by MPTP, which were blocked in Trx-1 overexpressing mice and were further increased in Trx-1 knockdown mice. Cathepsin D was decreased by MPTP, which was restored in Trx-1 overexpressing mice and was further decreased in Trx-1 knockdown mice. The mRFP-GFP-LC3 green fluorescent dots were increased by 1-methyl-4-phenylpyridinium (MPP+) and further increased in Trx-1 siRNA transfected PC12 cells, while mRFP-GFP-LC3 red fluorescent dots were increased in Trx-1 overexpressing cells. These results indicate that Trx-1 may eliminate α-syn in PD mice through potentiating autophagy-lysosome pathway.
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Affiliation(s)
- Rou Gu
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, China
- Laboratory of Molecular Neurobiology, Medical School, Kunming University of Science and Technology, Kunming, China
| | - Liping Bai
- Laboratory of Molecular Neurobiology, Medical School, Kunming University of Science and Technology, Kunming, China
| | - Fang Yan
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, China
- Laboratory of Molecular Neurobiology, Medical School, Kunming University of Science and Technology, Kunming, China
| | - Se Zhang
- Laboratory of Molecular Neurobiology, Medical School, Kunming University of Science and Technology, Kunming, China
| | - Xianwen Zhang
- Laboratory of Molecular Neurobiology, Medical School, Kunming University of Science and Technology, Kunming, China
| | - Ruhua Deng
- Laboratory of Molecular Neurobiology, Medical School, Kunming University of Science and Technology, Kunming, China
| | - Xiansi Zeng
- Laboratory of Molecular Neurobiology, Medical School, Kunming University of Science and Technology, Kunming, China
| | - Bo Sun
- Laboratory of Molecular Neurobiology, Medical School, Kunming University of Science and Technology, Kunming, China
| | - Xiaomei Hu
- Laboratory of Molecular Neurobiology, Medical School, Kunming University of Science and Technology, Kunming, China
| | - Ye Li
- Laboratory of Molecular Neurobiology, Medical School, Kunming University of Science and Technology, Kunming, China
| | - Jie Bai
- Laboratory of Molecular Neurobiology, Medical School, Kunming University of Science and Technology, Kunming, China.
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Obsilova V, Honzejkova K, Obsil T. Structural Insights Support Targeting ASK1 Kinase for Therapeutic Interventions. Int J Mol Sci 2021; 22:ijms222413395. [PMID: 34948191 PMCID: PMC8705584 DOI: 10.3390/ijms222413395] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Revised: 12/10/2021] [Accepted: 12/11/2021] [Indexed: 12/22/2022] Open
Abstract
Apoptosis signal-regulating kinase (ASK) 1, a member of the mitogen-activated protein kinase kinase kinase (MAP3K) family, modulates diverse responses to oxidative and endoplasmic reticulum (ER) stress and calcium influx. As a crucial cellular stress sensor, ASK1 activates c-Jun N-terminal kinases (JNKs) and p38 MAPKs. Their excessive and sustained activation leads to cell death, inflammation and fibrosis in various tissues and is implicated in the development of many neurological disorders, such as Alzheimer’s, Parkinson’s and Huntington disease and amyotrophic lateral sclerosis, in addition to cardiovascular diseases, diabetes and cancer. However, currently available inhibitors of JNK and p38 kinases either lack efficacy or have undesirable side effects. Therefore, targeted inhibition of their upstream activator, ASK1, stands out as a promising therapeutic strategy for treating such severe pathological conditions. This review summarizes recent structural findings on ASK1 regulation and its role in various diseases, highlighting prospects for ASK1 inhibition in the treatment of these pathologies.
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Affiliation(s)
- Veronika Obsilova
- Department of Structural Biology of Signaling Proteins, Division BIOCEV, Institute of Physiology of the Czech Academy of Sciences, 25250 Vestec, Czech Republic
- Correspondence: (V.O.); (T.O.); Tel.: +420-325-87-3513 (V.O.); +420-22-195-1303 (T.O.)
| | - Karolina Honzejkova
- Department of Physical and Macromolecular Chemistry, Faculty of Science, Charles University, 12843 Prague, Czech Republic;
| | - Tomas Obsil
- Department of Structural Biology of Signaling Proteins, Division BIOCEV, Institute of Physiology of the Czech Academy of Sciences, 25250 Vestec, Czech Republic
- Department of Physical and Macromolecular Chemistry, Faculty of Science, Charles University, 12843 Prague, Czech Republic;
- Correspondence: (V.O.); (T.O.); Tel.: +420-325-87-3513 (V.O.); +420-22-195-1303 (T.O.)
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