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Tang L, Ding J, Yang K, Zong Z, Wu R, Li H. New insights into the mechanisms and therapeutic strategies of chondrocyte autophagy in osteoarthritis. J Mol Med (Berl) 2024; 102:1229-1244. [PMID: 39145815 DOI: 10.1007/s00109-024-02473-1] [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: 12/17/2023] [Revised: 06/22/2024] [Accepted: 07/29/2024] [Indexed: 08/16/2024]
Abstract
Osteoarthritis (OA) is a chronic joint disease with an unclear cause characterized by secondary osteophytes and degenerative changes in the articular cartilage. More than 250 million people are expected to be affected by it by 2050, putting a tremendous socioeconomic strain on the entire world. OA cannot currently be treated with any effective medications that change the illness. Over time, chondrocytes undergo gradual metabolic, structural, and functional changes as a result of aging or abuse. The degenerative progression of osteoarthritis is significantly influenced by the imbalance of chondrocyte homeostasis. By continuously recycling and rebuilding macromolecules or organelles, autophagy functions as a crucial regulatory system to maintain homeostasis during an individual's growth and development. This review uses chondrocytes as its starting point and establishes a strong connection between autophagy and osteoarthritis in order to thoroughly examine the mechanisms behind chondrocyte autophagy in osteoarthritis. Biomarkers of chondrocyte autophagy will be identified, and prospective targeted medications and novel treatment approaches for slowing or preventing the course of OA will be developed based on chondrocyte senescence, autophagy, and apoptosis in OA. KEY MESSAGES: Currently, OA has not been treated with any drugs that can effectively cure it. We hope that by exploring specific targets in the course of osteoarthritis, we can promote the progress of treatment strategies. The degenerative progression of osteoarthritis is significantly influenced by the imbalance of chondrocyte balance. Through the continuous recovery and reconstruction of macromolecules or organelles, autophagy is an important regulatory system for maintaining homeostasis during individual growth and development. In this paper, the close relationship between autophagy and osteoarthritis was established with chondrocytes as the starting point, in order to further explore the mechanism of chondrocyte autophagy in osteoarthritis. The development process of osteoarthritis was studied from the perspective of chondrocytes, and the change of autophagy level had a significant impact on osteoarthritis. Chondrocyte autophagy is mainly determined by intracellular mitochondrial autophagy, so we are committed to finding relevant molecules. Through PI3K/AKT- and MAPK-related pathways, the biomarkers of chondrocyte autophagy were identified, and chondrocyte senescence, autophagy, and apoptosis based on osteoarthritis provided a constructive idea for the development of prospective targeted drugs and new therapies to slow down or prevent the progression of osteoarthritis.
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Affiliation(s)
- Lujia Tang
- Department of Rheumatology and Immunology, The First Affiliated Hospital of Nanchang University, Nanchang, China
- The Third Clinical Medicine School, Nanchang University, Nanchang, China
| | - Jiatong Ding
- Department of Rheumatology and Immunology, The First Affiliated Hospital of Nanchang University, Nanchang, China
| | - Kangping Yang
- Department of Rheumatology and Immunology, The First Affiliated Hospital of Nanchang University, Nanchang, China
| | - Zhen Zong
- Department of Gastrointestinal Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Rui Wu
- Department of Rheumatology and Immunology, The First Affiliated Hospital of Nanchang University, Nanchang, China.
| | - Hui Li
- Department of Rheumatology and Immunology, The First Affiliated Hospital of Nanchang University, Nanchang, China.
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2
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Cheung C, Tu S, Feng Y, Wan C, Ai H, Chen Z. Mitochondrial quality control dysfunction in osteoarthritis: Mechanisms, therapeutic strategies & future prospects. Arch Gerontol Geriatr 2024; 125:105522. [PMID: 38861889 DOI: 10.1016/j.archger.2024.105522] [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: 04/19/2024] [Revised: 05/25/2024] [Accepted: 06/03/2024] [Indexed: 06/13/2024]
Abstract
Osteoarthritis (OA) is a prevalent chronic joint disease characterized by articular cartilage degeneration, pain, and disability. Emerging evidence indicates that mitochondrial quality control dysfunction contributes to OA pathogenesis. Mitochondria are essential organelles to generate cellular energy via oxidative phosphorylation and regulate vital processes. Impaired mitochondria can negatively impact cellular metabolism and result in the generation of harmful reactive oxygen species (ROS). Dysfunction in mitochondrial quality control mechanisms has been increasingly linked to OA onset and progression. This review summarizes current knowledge on the role of mitochondrial quality control disruption in OA, highlighting disturbed mitochondrial dynamics, impaired mitochondrial biogenesis, antioxidant defenses and mitophagy. The review also discusses potential therapeutic strategies targeting mitochondrial Quality Control in OA, offering future perspectives on advancing OA therapeutic strategies.
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Affiliation(s)
- Chiyuen Cheung
- Department of Stomatology, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, PR China
| | - Shaoqin Tu
- Department of Stomatology, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, PR China
| | - Yi Feng
- Department of Stomatology, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, PR China
| | - Chuiming Wan
- Department of Stomatology, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, PR China
| | - Hong Ai
- Department of Stomatology, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, PR China
| | - Zheng Chen
- Department of Stomatology, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, PR China.
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3
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Ji P, Zhou Z, Zhang J, Bai T, Li C, Zhou B, Wang M, Tan Y, Wang S. Non-apoptotic cell death in osteoarthritis: Recent advances and future. Biomed Pharmacother 2024; 179:117344. [PMID: 39191021 DOI: 10.1016/j.biopha.2024.117344] [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: 04/12/2024] [Revised: 06/23/2024] [Accepted: 08/22/2024] [Indexed: 08/29/2024] Open
Abstract
Osteoarthritis (OA) is the most common degenerative joint disease. Multiple tissues are altered during the development of OA, resulting in joint pain and permanent damage to the osteoarticular joints. Current research has demonstrated that non-apoptotic cell death plays a crucial role in OA. With the continuous development of targeted therapies, non-apoptotic cell death has shown great potential in the prevention and treatment of OA. We systematically reviewed research progress on the role of non-apoptotic cell death in the pathogenesis, development, and outcome of OA, including autophagy, pyroptosis, ferroptosis, necroptosis, immunogenic cell death, and parthanatos. This article reviews the mechanism of non-apoptotic cell death in OA and provides a theoretical basis for the identification of new targets for OA treatment.
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Affiliation(s)
- Pengfei Ji
- The Second Clinical Medical College, Lanzhou University, No. 199 DongGang West Road, Lanzhou, Gansu 730000, China
| | - Ziyu Zhou
- The Second Clinical Medical College, Lanzhou University, No. 199 DongGang West Road, Lanzhou, Gansu 730000, China
| | - Jinyuan Zhang
- The Second Clinical Medical College, Lanzhou University, No. 199 DongGang West Road, Lanzhou, Gansu 730000, China
| | - Tianding Bai
- People's Hospital of Guazhou County, Guazhou, Gansu 736100, China
| | - Chao Li
- The Second Clinical Medical College, Lanzhou University, No. 199 DongGang West Road, Lanzhou, Gansu 730000, China
| | - Binghao Zhou
- The Second Clinical Medical College, Lanzhou University, No. 199 DongGang West Road, Lanzhou, Gansu 730000, China
| | - Mengjie Wang
- The Second Clinical Medical College, Lanzhou University, No. 199 DongGang West Road, Lanzhou, Gansu 730000, China
| | - Yingdong Tan
- People's Hospital of Guazhou County, Guazhou, Gansu 736100, China.
| | - Shengwang Wang
- People's Hospital of Guazhou County, Guazhou, Gansu 736100, China.
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4
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Wang G, Zhang X, Xu J, Hou L, Guo Z, Sun K, Guo F. The role of mitochondrial autophagy in osteoarthritis. iScience 2024; 27:110741. [PMID: 39280604 PMCID: PMC11402317 DOI: 10.1016/j.isci.2024.110741] [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: 11/18/2023] [Revised: 02/05/2024] [Accepted: 08/12/2024] [Indexed: 09/18/2024] Open
Abstract
Osteoarthritis (OA) is a progressive degenerative joint disease, and the underlying molecular mechanisms of OA remain poorly understood. This study aimed to elucidate the relationship between mitochondrial autophagy and OA by identifying key regulatory genes and their biological functions. Utilizing bioinformatics analyses of RNA expression profiles from the GSE55235 dataset, we identified 2,136 differentially expressed genes, leading to the discovery of hub genes associated with mitochondrial autophagy and OA. Gene set enrichment analysis (GSEA) revealed their involvement in critical pathways, highlighting their potential roles in OA pathogenesis. Furthermore, our study explored the immunological landscape of OA, identifying distinct immune cell infiltration patterns that contribute to the disease's inflammatory profile. We also evaluated the therapeutic potential of drugs targeting these hub genes, suggesting potential approaches for OA treatment. Collectively, this study advances our knowledge of mitochondrial autophagy in OA and proposes promising biomarkers and therapeutic targets.
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Affiliation(s)
- Genchun Wang
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
- Orthopedic Medical Center, Union Hospital, Fujian Medical University, Fuzhou, Fujian 350000, China
| | - Xiong Zhang
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
| | - Jingting Xu
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
| | - Liangcai Hou
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
| | - Zhou Guo
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
| | - Kai Sun
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
| | - Fengjing Guo
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
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5
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Xi H, Shan W, Li M, Wang Z, Li Y. Trehalose attenuates testicular aging by activating autophagy and improving mitochondrial quality. Andrology 2024. [PMID: 39195433 DOI: 10.1111/andr.13746] [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: 03/08/2024] [Revised: 08/04/2024] [Accepted: 08/16/2024] [Indexed: 08/29/2024]
Abstract
BACKGROUND Reproductive aging can adversely affect male fertility and the health of offspring. The aging process is accompanied by impaired autophagy. Recent studies have shown that Trehalose plays an important role in the prevention of various diseases by regulating autophagy. However, the roles of Trehalose in testicular aging and reproductive decline remain to be clarified. OBJECTIVE The present study aimed to evaluate the protective effects of Trehalose on testes in an aging mouse model. MATERIALS AND METHODS In this study, an in vivo aging model in mice by administering D-galactose was established to explore the protective effect of Trehalose on testicular aging. We examined histological changes and related indicators of apoptosis, autophagy, mitochondrial biogenesis, and sperm quality. RESULTS D-galactose treatment induced oxidative stress, apoptosis, and impairment of autophagy of testicular cells in mouse testes. Trehalose administration significantly reduced germ cell apoptosis and DNA damage caused by D-galactose-induced oxidative stress. Notably, Trehalose activated autophagy activity and improved mitochondrial function in testicular cells. Furthermore, Trehalose treatment increased the expression level of the tight junction protein ZO-1, and accelerated clearance of damaged mitochondria in Sertoli cells, indicating that Trehalose ameliorated Sertoli cell function in D-galactose-induced aging testes. DISCUSSION AND CONCLUSION These findings suggest that Trehalose administration activated the autophagy activity in testicular cells and improved mitochondrial function, thereby effectively preventing testicular aging. Trehalose and its activated autophagy are crucial for preventing testicular aging, thus restoring autophagy activity by administering Trehalose could be a promising means to delay aging.
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Affiliation(s)
- Huaming Xi
- Key Laboratory of Applied Technology on Green-Eco-Healthy Animal Husbandry of Zhejiang Province, Zhejiang Provincial Engineering Laboratory for Animal Health Inspection & Internet Technology, Zhejiang International Science and Technology Cooperation Base for Veterinary Medicine and Health Management, China-Australia Joint Laboratory for Animal Health Big Data Analytics, College of Animal Science and Technology & College of Veterinary Medicine of Zhejiang A&F University, Hangzhou, People's Republic of China
| | - Wenjing Shan
- Key Laboratory of Applied Technology on Green-Eco-Healthy Animal Husbandry of Zhejiang Province, Zhejiang Provincial Engineering Laboratory for Animal Health Inspection & Internet Technology, Zhejiang International Science and Technology Cooperation Base for Veterinary Medicine and Health Management, China-Australia Joint Laboratory for Animal Health Big Data Analytics, College of Animal Science and Technology & College of Veterinary Medicine of Zhejiang A&F University, Hangzhou, People's Republic of China
| | - Minghui Li
- Key Laboratory of Applied Technology on Green-Eco-Healthy Animal Husbandry of Zhejiang Province, Zhejiang Provincial Engineering Laboratory for Animal Health Inspection & Internet Technology, Zhejiang International Science and Technology Cooperation Base for Veterinary Medicine and Health Management, China-Australia Joint Laboratory for Animal Health Big Data Analytics, College of Animal Science and Technology & College of Veterinary Medicine of Zhejiang A&F University, Hangzhou, People's Republic of China
| | - Ziqian Wang
- Key Laboratory of Applied Technology on Green-Eco-Healthy Animal Husbandry of Zhejiang Province, Zhejiang Provincial Engineering Laboratory for Animal Health Inspection & Internet Technology, Zhejiang International Science and Technology Cooperation Base for Veterinary Medicine and Health Management, China-Australia Joint Laboratory for Animal Health Big Data Analytics, College of Animal Science and Technology & College of Veterinary Medicine of Zhejiang A&F University, Hangzhou, People's Republic of China
| | - Yuan Li
- Key Laboratory of Applied Technology on Green-Eco-Healthy Animal Husbandry of Zhejiang Province, Zhejiang Provincial Engineering Laboratory for Animal Health Inspection & Internet Technology, Zhejiang International Science and Technology Cooperation Base for Veterinary Medicine and Health Management, China-Australia Joint Laboratory for Animal Health Big Data Analytics, College of Animal Science and Technology & College of Veterinary Medicine of Zhejiang A&F University, Hangzhou, People's Republic of China
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6
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Yao H, Cai C, Huang W, Zhong C, Zhao T, Di J, Tang J, Wu D, Pang M, He L, Rong L, Liu B. Enhancing mitophagy by ligustilide through BNIP3-LC3 interaction attenuates oxidative stress-induced neuronal apoptosis in spinal cord injury. Int J Biol Sci 2024; 20:4382-4406. [PMID: 39247814 PMCID: PMC11379069 DOI: 10.7150/ijbs.98051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2024] [Accepted: 08/03/2024] [Indexed: 09/10/2024] Open
Abstract
Mitophagy selectively eliminates damaged or dysfunctional mitochondria, playing a crucial role in maintaining mitochondrial quality control. However, it remains unclear whether mitophagy can be fully activated and how it evolves after SCI. Our RNA-seq analysis of animal samples from sham and 1, 3, 5, and 7 days post-SCI indicated that mitophagy was indeed inhibited during the acute and subacute early stages. In vitro experiments showed that this inhibition was closely related to excessive production of reactive oxygen species (ROS) and the downregulation of BNIP3. Excessive ROS led to the blockage of mitophagy flux, accompanied by further mitochondrial dysfunction and increased neuronal apoptosis. Fortunately, ligustilide (LIG) was found to have the ability to reverse the oxidative stress-induced downregulation of BNIP3 and enhance mitophagy through BNIP3-LC3 interaction, alleviating mitochondrial dysfunction and ultimately reducing neuronal apoptosis. Further animal experiments demonstrated that LIG alleviated oxidative stress and mitophagy inhibition, rescued neuronal apoptosis, and promoted tissue repair, ultimately leading to improved motor function. In summary, this study elucidated the state of mitophagy inhibition following SCI and its potential mechanisms, and confirmed the effects of LIG-enhanced mitophagy through BNIP3-LC3, providing new therapeutic targets and strategies for repairing SCI.
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Affiliation(s)
- Hui Yao
- Department of Orthopaedics, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, PR China
| | - Chaoyang Cai
- Department of Spine Surgery, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, PR China
- Guangdong Provincial Center for Quality Control of Minimally Invasive Spine Surgery, Guangzhou, PR China
- Guangdong Provincial Center for Engineering and Technology Research of Minimally Invasive Spine Surgery, Guangzhou, PR China
| | - Weijun Huang
- Department of Spine Surgery, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, PR China
- Guangdong Provincial Center for Quality Control of Minimally Invasive Spine Surgery, Guangzhou, PR China
- Guangdong Provincial Center for Engineering and Technology Research of Minimally Invasive Spine Surgery, Guangzhou, PR China
| | - Caizhen Zhong
- Department of Gastroenterology and Rheumatology, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, PR China
| | - Tianlun Zhao
- Department of Spine Surgery, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, PR China
- Guangdong Provincial Center for Quality Control of Minimally Invasive Spine Surgery, Guangzhou, PR China
- Guangdong Provincial Center for Engineering and Technology Research of Minimally Invasive Spine Surgery, Guangzhou, PR China
| | - Jiawei Di
- Department of Spine Surgery, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, PR China
- Guangdong Provincial Center for Quality Control of Minimally Invasive Spine Surgery, Guangzhou, PR China
- Guangdong Provincial Center for Engineering and Technology Research of Minimally Invasive Spine Surgery, Guangzhou, PR China
| | - Juliang Tang
- Department of Spine Surgery, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, PR China
- Guangdong Provincial Center for Quality Control of Minimally Invasive Spine Surgery, Guangzhou, PR China
- Guangdong Provincial Center for Engineering and Technology Research of Minimally Invasive Spine Surgery, Guangzhou, PR China
| | - Depeng Wu
- Department of Spine Surgery, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, PR China
- Guangdong Provincial Center for Quality Control of Minimally Invasive Spine Surgery, Guangzhou, PR China
- Guangdong Provincial Center for Engineering and Technology Research of Minimally Invasive Spine Surgery, Guangzhou, PR China
| | - Mao Pang
- Department of Orthopaedics, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, PR China
- Department of Spine Surgery, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, PR China
- Guangdong Provincial Center for Quality Control of Minimally Invasive Spine Surgery, Guangzhou, PR China
- Guangdong Provincial Center for Engineering and Technology Research of Minimally Invasive Spine Surgery, Guangzhou, PR China
| | - Lei He
- Department of Orthopaedics, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, PR China
- Department of Spine Surgery, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, PR China
- Guangdong Provincial Center for Quality Control of Minimally Invasive Spine Surgery, Guangzhou, PR China
- Guangdong Provincial Center for Engineering and Technology Research of Minimally Invasive Spine Surgery, Guangzhou, PR China
| | - Limin Rong
- Department of Orthopaedics, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, PR China
- Department of Spine Surgery, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, PR China
- Guangdong Provincial Center for Quality Control of Minimally Invasive Spine Surgery, Guangzhou, PR China
- Guangdong Provincial Center for Engineering and Technology Research of Minimally Invasive Spine Surgery, Guangzhou, PR China
| | - Bin Liu
- Department of Orthopaedics, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, PR China
- Department of Spine Surgery, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, PR China
- Guangdong Provincial Center for Quality Control of Minimally Invasive Spine Surgery, Guangzhou, PR China
- Guangdong Provincial Center for Engineering and Technology Research of Minimally Invasive Spine Surgery, Guangzhou, PR China
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Hajimohammadi S, Rameshrad M, Karimi G. Exploring the therapeutic effects of sulforaphane: an in-depth review on endoplasmic reticulum stress modulation across different disease contexts. Inflammopharmacology 2024; 32:2185-2201. [PMID: 38922526 DOI: 10.1007/s10787-024-01506-y] [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: 03/19/2024] [Accepted: 06/06/2024] [Indexed: 06/27/2024]
Abstract
The endoplasmic reticulum (ER) is an intracellular organelle that contributes to the folding of proteins and calcium homeostasis. Numerous elements can disrupt its function, leading to the accumulation of proteins that are unfolded or misfolded in the lumen of the ER, a condition that is known as ER stress. This phenomenon can trigger cell death through the activation of apoptosis and inflammation. Glucoraphanin (GRA) is the predominant glucosinolate found in cruciferous vegetables. Various mechanical and biochemical processes activate the enzyme myrosinase, leading to the hydrolysis of glucoraphanin into the bioactive compound sulforaphane. Sulforaphane is an organosulfur compound that belongs to the isothiocyanate group. It possesses a wide range of activities and has shown remarkable potential as an anti-inflammatory, antioxidant, antitumor, and anti-angiogenic substance. Additionally, sulforaphane is resistant to oxidation, has been demonstrated to have low toxicity, and is considered well-tolerable in individuals. These properties make it a valuable natural dietary supplement for research purposes. Sulforaphane has been demonstrated as a potential candidate drug molecule for managing a range of diseases, primarily because of its potent antioxidant, anti-inflammatory, and anti-apoptotic properties, which can be mediated by modulation of ER stress pathways. This review seeks to cover a wealth of data supporting the broad range of protective functions of sulforaphane, improving various diseases, such as cardiovascular, central nervous system, liver, eye, and reproductive diseases, as well as diabetes, cancer, gastroenteritis, and osteoarthritis, through the amelioration of ER stress in both in vivo and in vitro studies.
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Affiliation(s)
- Samaneh Hajimohammadi
- Department of Pharmacodynamics and Toxicology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
- Student Research Committee, Mashhad University of Medical Science, Mashhad, Iran
| | - Maryam Rameshrad
- Department of Pharmacodynamics and Toxicology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Gholamreza Karimi
- Department of Pharmacodynamics and Toxicology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran.
- Pharmaceutical Research Center, Pharmaceutical Research Institute, Mashhad University of Medical Science, Mashhad, Iran.
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8
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Zhu C, Zhang L, Ding X, Wu W, Zou J. Non-coding RNAs as regulators of autophagy in chondrocytes: Mechanisms and implications for osteoarthritis. Ageing Res Rev 2024; 99:102404. [PMID: 38971322 DOI: 10.1016/j.arr.2024.102404] [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: 02/23/2024] [Revised: 06/22/2024] [Accepted: 07/01/2024] [Indexed: 07/08/2024]
Abstract
Osteoarthritis (OA) is a chronic degenerative joint disease with multiple causative factors such as aging, mechanical injury, and obesity. Autophagy is a complex dynamic process that is involved in the degradation and modification of intracellular proteins and organelles under different pathophysiological conditions. Autophagy, as a cell survival mechanism under various stress conditions, plays a key role in regulating chondrocyte life cycle metabolism and cellular homeostasis. Non-coding RNAs (ncRNAs) are heterogeneous transcripts that do not possess protein-coding functions, but they can act as effective post-transcriptional and epigenetic regulators of gene and protein expression, thus participating in numerous fundamental biological processes. Increasing evidence suggests that ncRNAs, autophagy, and their crosstalk play crucial roles in OA pathogenesis. Therefore, we summarized the complex role of autophagy in OA chondrocytes and focused on the regulatory role of ncRNAs in OA-associated autophagy to elucidate the complex pathological mechanisms of the ncRNA-autophagy network in the development of OA, thus providing new research targets for the clinical diagnosis and treatment of OA.
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Affiliation(s)
- Chenyu Zhu
- School of Exercise and Health, Shanghai University of Sport, Shanghai 200438, China
| | - Lingli Zhang
- School of Athletic Performance, Shanghai University of Sport, Shanghai 200438, China
| | - Xiaoqing Ding
- School of Athletic Performance, Shanghai University of Sport, Shanghai 200438, China
| | - Wei Wu
- School of Athletic Performance, Shanghai University of Sport, Shanghai 200438, China.
| | - Jun Zou
- School of Exercise and Health, Shanghai University of Sport, Shanghai 200438, China.
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Cui L, Shen G, Yu Y, Yan Z, Zeng H, Ye X, Xu K, Zhu C, Li Y, Shen Z, Zhang B, Wu L. Gubi decoction mitigates knee osteoarthritis via promoting chondrocyte autophagy through METTL3-mediated ATG7 m 6A methylation. J Cell Mol Med 2024; 28:e70019. [PMID: 39164798 PMCID: PMC11335466 DOI: 10.1111/jcmm.70019] [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: 02/02/2024] [Revised: 07/23/2024] [Accepted: 08/05/2024] [Indexed: 08/22/2024] Open
Abstract
Knee osteoarthritis (KOA) is a chronic joint disease that significantly affects the health of the elderly. As an herbal remedy, Gubi decoction (GBD) has been traditionally used for the treatment of osteoarthritis-related syndromes. However, the anti-KOA efficacy and mechanism of GBD remain unclear. This study aimed to experimentally investigate the anti-KOA efficacy and the underlying mechanism of GBD. The medial meniscus (DMM) mice model and IL-1β-stimulated chondrocytes were, respectively, constructed as in vivo and in vitro models of KOA to evaluate the osteoprotective effect and molecular mechanism of GBD. The UPLC-MS/MS analysis showed that GBD mainly contained pinoresinol diglucoside, rehmannioside D, hesperidin, liquiritin, baohuoside I, glycyrrhizic acid, kaempferol and tangeretin. Animal experiment showed that GBD could alleviate articular cartilage destruction and recover histopathological alterations in DMM mice. In addition, GBD inhibited chondrocyte apoptosis and restored DMM-induced dysregulated autophagy evidenced by the upregulation of ATG7 and LC3 II/LC3 I but decreased P62 level. Mechanistically, METTL3-mediated m6A modification decreased the expression of ATG7 in DMM mice, as it could be significantly attenuated by GBD. METTL3 overexpression significantly counteracted the protective effect of GBD on chondrocyte autophagy. Further research showed that GBD promoted proteasome-mediated ubiquitination degradation of METLL3. Our findings suggest that GBD could act as a protective agent against KOA. The protective effect of GBD may result from its promotion on chondrocyte autophagy by suppressing METTL3-dependent ATG7 m6A methylation.
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Affiliation(s)
- Longkang Cui
- The Second Clinical CollegeZhejiang Chinese Medical UniversityHangzhouChina
- The Second Affiliated Hospital of Zhejiang Chinese Medical UniversityHangzhouChina
| | - Gaobo Shen
- The Second Affiliated Hospital of Zhejiang Chinese Medical UniversityHangzhouChina
| | - Yang Yu
- The Second Clinical CollegeZhejiang Chinese Medical UniversityHangzhouChina
- The Second Affiliated Hospital of Zhejiang Chinese Medical UniversityHangzhouChina
| | - Zheng Yan
- The Second Affiliated Hospital of Zhejiang Chinese Medical UniversityHangzhouChina
| | - Hanbing Zeng
- The Second Clinical CollegeZhejiang Chinese Medical UniversityHangzhouChina
- The Second Affiliated Hospital of Zhejiang Chinese Medical UniversityHangzhouChina
| | - Xiaoang Ye
- The Second Clinical CollegeZhejiang Chinese Medical UniversityHangzhouChina
- The Second Affiliated Hospital of Zhejiang Chinese Medical UniversityHangzhouChina
| | - Kuangying Xu
- The Second Clinical CollegeZhejiang Chinese Medical UniversityHangzhouChina
- The Second Affiliated Hospital of Zhejiang Chinese Medical UniversityHangzhouChina
| | - Chaojin Zhu
- The Second Clinical CollegeZhejiang Chinese Medical UniversityHangzhouChina
- The Second Affiliated Hospital of Zhejiang Chinese Medical UniversityHangzhouChina
| | - Yanan Li
- The Second Clinical CollegeZhejiang Chinese Medical UniversityHangzhouChina
- The Second Affiliated Hospital of Zhejiang Chinese Medical UniversityHangzhouChina
| | - Zhe Shen
- The Second Clinical CollegeZhejiang Chinese Medical UniversityHangzhouChina
- The Second Affiliated Hospital of Zhejiang Chinese Medical UniversityHangzhouChina
| | - Bingbing Zhang
- The Second Affiliated Hospital of Zhejiang Chinese Medical UniversityHangzhouChina
| | - Lianguo Wu
- The Second Affiliated Hospital of Zhejiang Chinese Medical UniversityHangzhouChina
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10
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Guo Z. The role of glucagon-like peptide-1/GLP-1R and autophagy in diabetic cardiovascular disease. Pharmacol Rep 2024; 76:754-779. [PMID: 38890260 DOI: 10.1007/s43440-024-00609-1] [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: 11/30/2023] [Revised: 05/25/2024] [Accepted: 06/03/2024] [Indexed: 06/20/2024]
Abstract
Diabetes leads to a significantly accelerated incidence of various related macrovascular complications, including peripheral vascular disease and cardiovascular disease (the most common cause of mortality in diabetes), as well as microvascular complications such as kidney disease and retinopathy. Endothelial dysfunction is the main pathogenic event of diabetes-related vascular disease at the earliest stage of vascular injury. Understanding the molecular processes involved in the development of diabetes and its debilitating vascular complications might bring up more effective and specific clinical therapies. Long-acting glucagon-like peptide (GLP)-1 analogs are currently available in treating diabetes with widely established safety and extensively evaluated efficacy. In recent years, autophagy, as a critical lysosome-dependent self-degradative process to maintain homeostasis, has been shown to be involved in the vascular endothelium damage in diabetes. In this review, the GLP-1/GLP-1R system implicated in diabetic endothelial dysfunction and related autophagy mechanism underlying the pathogenesis of diabetic vascular complications are briefly presented. This review also highlights a possible crosstalk between autophagy and the GLP-1/GLP-1R axis in the treatment of diabetic angiopathy.
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Affiliation(s)
- Zi Guo
- Section of Nephrology, Department of Internal Medicine, Yale University School of Medicine, New Haven, CT, 06510, USA.
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11
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Li Q, Guo P, Wang S, Su L, Yu W, Guo J, Hu L, Zhang H, Pan J, Tang Z, Liao J. Drp1 Aggravates Copper Nanoparticle-Induced ER-Phagy by Disturbing Mitochondria-Associated Membranes in Chicken Hepatocytes. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:16506-16518. [PMID: 38986054 DOI: 10.1021/acs.jafc.4c03978] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/12/2024]
Abstract
As an efficient alternative copper (Cu) source, copper nanoparticles (nano-Cu) have been widely supplemented into animal-producing food. Therefore, it is necessary to assess the effect of nano-Cu exposure on the biological health risk. Recently, the toxic effects of nano-Cu have been confirmed but the underlying mechanism remains unclear. This study reveals the impact of nano-Cu on endoplasmic reticulum autophagy (ER-phagy) in chicken hepatocytes and further identifies Drp1 and its downstream gene FAM134B as crucial regulators of nano-Cu-induced hepatotoxicity. Nano-Cu exposure can induce Cu ion overaccumulation and pathological injury in the liver, trigger excessive mitochondrial fission and mitochondria-associated membrane (MAM) integrity damage, and activate ER-phagy in vivo and in vitro. Interestingly, the knockdown of Drp1 markedly decreases the expression of FAM134B induced by nano-Cu. Furthermore, the expression levels of ATL3, CCPG1, SEC62, TEX264, and LC3II/LC3I induced by nano-Cu exposure are decreased by inhibiting the expression of Drp1. Simultaneously, the inhibition of FAM134B effectively alleviates nano-Cu-induced ER-phagy by downregulating the expression of ATL3, CCPG1, SEC62, TEX264, and LC3II/LC3I. Overall, these results suggest that Drp1-mediated impairment of MAM integrity leads to ER-phagy as a novel molecular mechanism involved in the regulation of nano-Cu-induced hepatotoxicity. These findings provide new ideas for future research on the mechanism of nano-Cu-induced hepatotoxicity.
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Affiliation(s)
- Quanwei Li
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, Guangdong, P. R. China
| | - Pan Guo
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, Guangdong, P. R. China
| | - Shaofeng Wang
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, Guangdong, P. R. China
| | - Luna Su
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, Guangdong, P. R. China
| | - Wenlan Yu
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, Guangdong, P. R. China
| | - Jianying Guo
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, Guangdong, P. R. China
| | - Liammei Hu
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, Guangdong, P. R. China
| | - Hui Zhang
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, Guangdong, P. R. China
| | - Jiaqiang Pan
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, Guangdong, P. R. China
| | - Zhaoxin Tang
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, Guangdong, P. R. China
| | - Jianzhao Liao
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, Guangdong, P. R. China
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12
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Zhou M, Liu B, Ye HM, Hou JN, Huang YC, Zhang P, Gao L, Qin HT, Yang YF, Zeng H, Kang B, Yu F, Wang DL, Lei M. ROS-induced imbalance of the miR-34a-5p/SIRT1/p53 axis triggers chronic chondrocyte injury and inflammation. Heliyon 2024; 10:e31654. [PMID: 38828289 PMCID: PMC11140697 DOI: 10.1016/j.heliyon.2024.e31654] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2024] [Revised: 05/16/2024] [Accepted: 05/20/2024] [Indexed: 06/05/2024] Open
Abstract
Osteoarthritis is a chronic degenerative disease based on the degeneration and loss of articular cartilage. Inflammation and aging play an important role in the destruction of the extracellular matrix, in which microRNA (miRNA) is a key point, such as miRNA-34a-5p. Upregulation of miRNA-34a-5p was previously reported in a rat OA model, and its inhibition significantly suppressed interleukin (IL)-1β-induced apoptosis in rat chondrocytes. However, Oxidative stress caused by reactive oxygen species (ROS) can exacerbate the progression of miRNA regulated OA by mediating inflammatory processes. Thus, oxidative stress effects induced via tert-butyl hydroperoxide (tBHP) in human chondrocytes were assessed in the current research by evaluating mitochondrial ROS production, mitochondrial cyclooxygenase (COX) activity, and cell apoptosis. We also analyzed the activities of antioxidant enzymes including glutathione peroxidase (GSH-Px), catalase (CAT), and superoxide dismutase (SOD). Additionally, inflammatory factors, such as tumor necrosis factor (TNF)-α, interleukin (IL)-1β, IL-6, IL-8, and IL-24, which contribute to OA development, were detected by enzyme-linked immunosorbent assay (ELISA). The results of this study indicated that miR-34a-5p/silent information regulator 1 (SIRT1)/p53 axis was involved in the ROS-induced injury of human chondrocytes. Moreover, dual-luciferase assay revealed that SIRT1 expression was directly regulated by miR-34a-5p, indicating the presence of a positive feedback loop in the miR-34a-5p/SIRT1/p53 axis that plays an important role in cell survival. However, ROS disrupted the miR-34a-5p/SIRT1/p53 axis, leading to the development of OA, and articular injection of SIRT1 agonist, SRT1720, in a rat model of OA effectively ameliorated OA progression in a dose-dependent manner. Our study confirms that miRNA-34a-5p could participate in oxidative stress responses caused by ROS and further regulate the inflammatory process via the SIRT1/p53 signaling axis, ultimately affecting the onset of OA, thus providing a new treatment strategy for clinical treatment of OA.
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Affiliation(s)
- Meng Zhou
- Department of Bone and Joint Surgery, Peking University Shenzhen Hospital, Shenzhen, 518036, Guangdong, China
- National and Local Joint Engineering Research Center for Orthopedic Biomaterials, Shenzhen, 518036, Guangdong, China
- Shenzhen Key Laboratory of Orthopaedic Diseases and Biomaterials Research, Shenzhen, 518036, Guangdong, China
- Department of Orthopedics and Traumatology, The Chinese University of Hong Kong, Hong Kong SAR, 999077, China
- Institute for Tissue Engineering and Regenerative Medicine, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, 999077, China
| | - Bi Liu
- Department of Orthopedics, Shenzhen People's Hospital, Shenzhen, 518020, Guangdong, China
- The Second Clinical Medical College, Jinan University, Shenzhen, 518020, Guangdong, China
- The First Affiliated Hospital, Southern University of Science and Technology, Shenzhen, 518020, Guangdong, China
| | - Hai-Ming Ye
- Department of Bone and Joint Surgery, Peking University Shenzhen Hospital, Shenzhen, 518036, Guangdong, China
- National and Local Joint Engineering Research Center for Orthopedic Biomaterials, Shenzhen, 518036, Guangdong, China
- Shenzhen Key Laboratory of Orthopaedic Diseases and Biomaterials Research, Shenzhen, 518036, Guangdong, China
| | - Jia-Ning Hou
- Department of General Surgery, Peking University Shenzhen Hospital, Shenzhen, 518036, Guangdong, China
| | - Yi-Cong Huang
- Department of Orthopedic Surgery, Affiliated Dongguan People's Hospital, Southern Medical University, Dongguan, 523000, China
| | - Peng Zhang
- Department of Bone and Joint Surgery, Peking University Shenzhen Hospital, Shenzhen, 518036, Guangdong, China
- National and Local Joint Engineering Research Center for Orthopedic Biomaterials, Shenzhen, 518036, Guangdong, China
- Shenzhen Key Laboratory of Orthopaedic Diseases and Biomaterials Research, Shenzhen, 518036, Guangdong, China
| | - Liang Gao
- Center for Clinical Medicine, Huatuo Institute of Medical Innovation (HTIMI), Berlin, Germany
| | - Hao-Tian Qin
- Department of Bone and Joint Surgery, Peking University Shenzhen Hospital, Shenzhen, 518036, Guangdong, China
- National and Local Joint Engineering Research Center for Orthopedic Biomaterials, Shenzhen, 518036, Guangdong, China
- Shenzhen Key Laboratory of Orthopaedic Diseases and Biomaterials Research, Shenzhen, 518036, Guangdong, China
| | - Yi-Fei Yang
- Department of Bone and Joint Surgery, Peking University Shenzhen Hospital, Shenzhen, 518036, Guangdong, China
- National and Local Joint Engineering Research Center for Orthopedic Biomaterials, Shenzhen, 518036, Guangdong, China
- Shenzhen Key Laboratory of Orthopaedic Diseases and Biomaterials Research, Shenzhen, 518036, Guangdong, China
| | - Hui Zeng
- Department of Bone and Joint Surgery, Peking University Shenzhen Hospital, Shenzhen, 518036, Guangdong, China
- National and Local Joint Engineering Research Center for Orthopedic Biomaterials, Shenzhen, 518036, Guangdong, China
- Shenzhen Key Laboratory of Orthopaedic Diseases and Biomaterials Research, Shenzhen, 518036, Guangdong, China
| | - Bin Kang
- Department of Bone and Joint Surgery, Peking University Shenzhen Hospital, Shenzhen, 518036, Guangdong, China
- National and Local Joint Engineering Research Center for Orthopedic Biomaterials, Shenzhen, 518036, Guangdong, China
- Shenzhen Key Laboratory of Orthopaedic Diseases and Biomaterials Research, Shenzhen, 518036, Guangdong, China
| | - Fei Yu
- Department of Bone and Joint Surgery, Peking University Shenzhen Hospital, Shenzhen, 518036, Guangdong, China
- National and Local Joint Engineering Research Center for Orthopedic Biomaterials, Shenzhen, 518036, Guangdong, China
- Shenzhen Key Laboratory of Orthopaedic Diseases and Biomaterials Research, Shenzhen, 518036, Guangdong, China
| | - De-Li Wang
- Department of Bone and Joint Surgery, Peking University Shenzhen Hospital, Shenzhen, 518036, Guangdong, China
- National and Local Joint Engineering Research Center for Orthopedic Biomaterials, Shenzhen, 518036, Guangdong, China
- Shenzhen Key Laboratory of Orthopaedic Diseases and Biomaterials Research, Shenzhen, 518036, Guangdong, China
| | - Ming Lei
- Department of Bone and Joint Surgery, Peking University Shenzhen Hospital, Shenzhen, 518036, Guangdong, China
- National and Local Joint Engineering Research Center for Orthopedic Biomaterials, Shenzhen, 518036, Guangdong, China
- Shenzhen Key Laboratory of Orthopaedic Diseases and Biomaterials Research, Shenzhen, 518036, Guangdong, China
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13
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Qi Z, Zhu J, Cai W, Lou C, Li Z. The role and intervention of mitochondrial metabolism in osteoarthritis. Mol Cell Biochem 2024; 479:1513-1524. [PMID: 37486450 PMCID: PMC11224101 DOI: 10.1007/s11010-023-04818-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2023] [Accepted: 07/15/2023] [Indexed: 07/25/2023]
Abstract
Osteoarthritis (OA), a prevalent degenerative joint disease, affects a substantial global population. Despite the elusive etiology of OA, recent investigations have implicated mitochondrial dysfunction as a significant factor in disease pathogenesis. Mitochondria, pivotal cellular organelles accountable for energy production, exert essential roles in cellular metabolism. Hence, mitochondrial dysfunction can exert broad-ranging effects on various cellular processes implicated in OA development. This comprehensive review aims to provide an overview of the metabolic alterations occurring in OA and elucidate the diverse mechanisms through which mitochondrial dysfunction can contribute to OA pathogenesis. These mechanisms encompass heightened oxidative stress and inflammation, perturbed chondrocyte metabolism, and compromised autophagy. Furthermore, this review will explore potential interventions targeting mitochondrial metabolism as means to impede or decelerate the progression of OA. In summary, this review offers a comprehensive understanding of the involvement of mitochondrial metabolism in OA and underscores prospective intervention strategies.
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Affiliation(s)
- Zhanhai Qi
- Department of Orthopedics, The 960th hospital of the Joint Logistics Support Force of the People's Liberation Army, Jinan, Shandong, China
| | - Jiaping Zhu
- Department of Orthopedics, Jinan City People's Hospital, Jinan, Shandong, China
| | - Wusheng Cai
- Department of Orthopedics, Heze Third People's Hospital, Heze, Shandong, China
| | - Chunbiao Lou
- Department of Orthopedics, Heze Third People's Hospital, Heze, Shandong, China
| | - Zongyu Li
- Department of Orthopedics, The 960th hospital of the Joint Logistics Support Force of the People's Liberation Army, Jinan, Shandong, China.
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14
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ZHU W, GUO C, DU M, MA Y, CUI Y, CHEN X, GUO C. Acupotomy alleviates knee osteoarthritis in rabbit by regulating chondrocyte mitophagy Pink1-Parkin pathway. J TRADIT CHIN MED 2024; 44:468-477. [PMID: 38767630 PMCID: PMC11077155 DOI: 10.19852/j.cnki.jtcm.20240402.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2023] [Accepted: 12/19/2023] [Indexed: 05/22/2024]
Abstract
OBJECTIVE To investigate the effect of acupotomy, on mitophagy and the Pink1-Parkin pathway in chondrocytes from rabbits with knee osteoarthritis (KOA). METHODS A KOA model was established via the modified Videman method. Rabbits were randomly divided into a control group (CON), KOA group and KOA + acupotomy group (Acu). Rabbits in the acupotomy group were subjected to acupotomy for 4 weeks after model establishment. The behavior of the rabbits before and after intervention was recorded. Cartilage degeneration was evaluated by optical microscopy and fluorescence microscopy. The level of mitophagy was evaluated by transmission electron microscopy, immunofluorescence and enzyme-linked immunosorbent assay (ELISA). The expression of phosphatase and tensin homolog (PTEN)-induced kinase 1 (Pink1)-Parkin mitophagy pathway components was evaluated by immunofluorescence, Western blotting and real-time polymerase chain reaction. RESULTS In rabbits with KOA, joint pain, mobility disorders and cartilage degeneration were observed, the Mankin score was increased, collagen type Ⅱ (Col-Ⅱ) expression was significantly decreased, mitophagy was inhibited, mitochondrial function was impaired, and factors associated with the Pink1-Parkin pathway were inhibited. Acupotomy regulated the expression of Pink1-Parkin pathway-related proteins, the mitophagy-related protein microtubule-associated protein-1 light chain-3, the translocase of the outer membrane, and the inner mitochondrial membrane 23; increased the colocalization of mitochondria and autophagosomes; promoted the removal of damaged mitochondria; restored mitochondrial adenosine-triphosphate (ATP) production; and alleviated cartilage degeneration in rabbits with KOA. CONCLUSIONS Acupotomy played a role in alleviating KOA in rabbits by activating mitophagy in chondrocytes via the regulation of proteins that are related to the Pink1-Parkin pathway.
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Affiliation(s)
- Wenting ZHU
- 1 the Third Affiliated Hospital of Beijing University of Chinese Medicine, Beijing 100029, China
| | - Changqing GUO
- 2 School of Acupuncture-Moxibustion and Tuina, Beijing University of Chinese Medicine, Beijing 100029, China
| | - Mei DU
- 2 School of Acupuncture-Moxibustion and Tuina, Beijing University of Chinese Medicine, Beijing 100029, China
| | - Yunxuan MA
- 2 School of Acupuncture-Moxibustion and Tuina, Beijing University of Chinese Medicine, Beijing 100029, China
| | - Yongqi CUI
- 2 School of Acupuncture-Moxibustion and Tuina, Beijing University of Chinese Medicine, Beijing 100029, China
| | - Xilin CHEN
- 2 School of Acupuncture-Moxibustion and Tuina, Beijing University of Chinese Medicine, Beijing 100029, China
| | - Changqing GUO
- 3 Department of Medical Technology, Shijiazhuang Medical College, Hebei 050599, China
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15
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Cheng Z, Liu Z, Liu C, Yang A, Miao H, Bai X. Esculin suppresses the PERK-eIF2α-CHOP pathway by enhancing SIRT1 expression in oxidative stress-induced rat chondrocytes, mitigating osteoarthritis progression in a rat model. Int Immunopharmacol 2024; 132:112061. [PMID: 38608474 DOI: 10.1016/j.intimp.2024.112061] [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: 01/30/2024] [Revised: 04/05/2024] [Accepted: 04/08/2024] [Indexed: 04/14/2024]
Abstract
OBJECTIVE Osteoarthritis (OA) is a degenerative disease characterized by the gradual degeneration of chondrocytes, involving endoplasmic reticulum (ER) stress. Esculin is a natural compound with antioxidant, anti-inflammatory and anti-tumor properties. However, its impact on ER stress in OA therapy has not been thoroughly investigated. We aim to determine the efficiency of Esculin in OA treatment and its underlying mechanism. METHODS We utilized the tert-butyl hydroperoxide (TBHP) to establish OA model in chondrocytes. The expression of SIRT1, PERK/eIF2α pathway-related proteins, apoptosis-associated proteins and ER stress-related proteins were detected by Western blot and Real-time PCR. The apoptosis was evaluated by flow cytometry and terminal deoxynucleotidyl transferase-mediated dUTP nick-end labeling (TUNEL) staining. X-ray imaging, Hematoxylin & Eosin staining, Safranin O staining and immunohistochemistry were used to assess the pharmacological effects of Esculin in the anterior cruciate ligament transection (ACLT) rat OA model. RESULTS Esculin downregulated the expression of PERK/eIF2α pathway-related proteins, apoptosis-associated proteins and ER stress-related proteins, while upregulated the expression of SIRT1 and Bcl2 in the TBHP-induced OA model in vitro. It was coincident with the results of TUNEL staining and flow cytometry. We further confirmed the protective effect of Esculin in the rat ACLT-related model. CONCLUSION Our results suggest the potential therapeutic value of Esculin on osteoarthritis. It probably inhibits the PERK-eIF2α-ATF4-CHOP pathway by upregulating SIRT1, thereby mitigating endoplasmic reticulum stress and protecting chondrocytes from apoptosis.
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Affiliation(s)
- Zhihua Cheng
- Dalian Medical University, Dalian City, Liaoning Province, China
| | - Zheyuan Liu
- China Medical University, Shenyang City, Liaoning Province, China
| | - Chao Liu
- Department of Orthopedics, Liaoning Jinqiu Hospital, Shenyang City, Liaoning Province, China
| | - Aoxiang Yang
- Dalian Medical University, Dalian City, Liaoning Province, China
| | - Haichuan Miao
- Dalian Medical University, Dalian City, Liaoning Province, China
| | - Xizhuang Bai
- Dalian Medical University, Dalian City, Liaoning Province, China; Department of Arthrology, Liaoning Provincial People's Hospital, Shenyang City, Liaoning Province, China.
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16
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Kong P, Ahmad RE, Zulkifli A, Krishnan S, Nam HY, Kamarul T. The role of autophagy in mitigating osteoarthritis progression via regulation of chondrocyte apoptosis: A review. Joint Bone Spine 2024; 91:105642. [PMID: 37739213 DOI: 10.1016/j.jbspin.2023.105642] [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: 03/28/2023] [Revised: 07/22/2023] [Accepted: 09/13/2023] [Indexed: 09/24/2023]
Abstract
Osteoarthritis (OA) is the most prevalent chronic joint disease with an immense socioeconomic burden; however, no treatment has achieved complete success in effectively halting or reversing cartilage degradation, which is the central pathophysiological feature of OA. Chondrocytes loss or dysfunction is a significant contributing factor to the progressive cartilage deterioration as these sole resident cells have a crucial role to produce extracellular matrix proteins, thus maintaining cartilage structure and homeostasis. It has been previously suggested that death of chondrocytes occurring through apoptosis substantially contributes to cartilage degeneration. Although the occurrence of apoptosis in osteoarthritic cartilage and its correlation with cartilage degradation is evident, the causes of chondrocyte apoptosis leading to matrix loss are still not well-understood. Autophagy, an intracellular degradative mechanism that eliminates dysfunctional cytoplasmic components to aid cell survival in unfavourable conditions, is a potential therapeutic target to inhibit chondrocyte apoptosis and reduce OA severity. Despite accumulating evidence indicating significant cytoprotective effects of autophagy against chondrocyte apoptosis, the mechanistic link between autophagy and apoptosis in chondrocytes remains to be further explored. In this review, we summarize the relevant mechanistic events that perpetuate chondrocyte apoptosis and highlight the prominent role of autophagy in modulating these events to mitigate OA progression.
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Affiliation(s)
- Peggy Kong
- Department of Orthopaedic Surgery, Tissue Engineering Group, National Orthopaedic Centre of Excellence for Research and Learning (NOCERAL), Faculty of Medicine, Universiti Malaya, Lembah Pantai, 50603 Kuala Lumpur, Malaysia
| | - Raja Elina Ahmad
- Department of Physiology, Faculty of Medicine, Universiti Malaya, Lembah Pantai, 50603 Kuala Lumpur, Malaysia.
| | - Amirah Zulkifli
- Department of Orthopaedic Surgery, Tissue Engineering Group, National Orthopaedic Centre of Excellence for Research and Learning (NOCERAL), Faculty of Medicine, Universiti Malaya, Lembah Pantai, 50603 Kuala Lumpur, Malaysia
| | - Shaliny Krishnan
- Department of Orthopaedic Surgery, Tissue Engineering Group, National Orthopaedic Centre of Excellence for Research and Learning (NOCERAL), Faculty of Medicine, Universiti Malaya, Lembah Pantai, 50603 Kuala Lumpur, Malaysia
| | - Hui Yin Nam
- Department of Orthopaedic Surgery, Tissue Engineering Group, National Orthopaedic Centre of Excellence for Research and Learning (NOCERAL), Faculty of Medicine, Universiti Malaya, Lembah Pantai, 50603 Kuala Lumpur, Malaysia; Nanotechnology and Catalysis Research Centre (NANOCAT), Universiti Malaya, Lembah Pantai, 50603 Kuala Lumpur, Malaysia
| | - Tunku Kamarul
- Department of Orthopaedic Surgery, Tissue Engineering Group, National Orthopaedic Centre of Excellence for Research and Learning (NOCERAL), Faculty of Medicine, Universiti Malaya, Lembah Pantai, 50603 Kuala Lumpur, Malaysia; Advanced Medical and Dental Institute (AMDI), Universiti Sains Malaysia, Bertam, 13200 Kepala Batas Pulau Pinang, Malaysia
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17
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Fan F, Yang C, Piao E, Shi J, Zhang J. Mechanisms of chondrocyte regulated cell death in osteoarthritis: Focus on ROS-triggered ferroptosis, parthanatos, and oxeiptosis. Biochem Biophys Res Commun 2024; 705:149733. [PMID: 38442446 DOI: 10.1016/j.bbrc.2024.149733] [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: 11/27/2023] [Revised: 02/19/2024] [Accepted: 02/26/2024] [Indexed: 03/07/2024]
Abstract
Osteoarthritis (OA) is a common chronic inflammatory degenerative disease. Since chondrocytes are the only type of cells in cartilage, their survival is critical for maintaining cartilage morphology. This review offers a comprehensive analysis of how reactive oxygen species (ROS), including superoxide anions, hydrogen peroxide, hydroxyl radicals, nitric oxide, and their derivatives, affect cartilage homeostasis and trigger several novel modes of regulated cell death, including ferroptosis, parthanatos, and oxeiptosis, which may play roles in chondrocyte death and OA development. Moreover, we discuss potential therapeutic strategies to alleviate OA by scavenging ROS and provide new insight into the research and treatment of the role of regulated cell death in OA.
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Affiliation(s)
- Fangyang Fan
- Orthopedics Department, The First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China.
| | - Cheng Yang
- Orthopedics Department, The First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China.
| | - Enran Piao
- Tianjin University of Traditional Chinese Medicine, Tianjin, China.
| | - Jia Shi
- Tianjin University of Traditional Chinese Medicine, Tianjin, China; Tianjin Academy of Traditional Chinese Medicine Affiliated Hospital, Tianjin, China.
| | - Juntao Zhang
- Orthopedics Department, The First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China.
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18
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Zhao X, Duan B, Wu J, Huang L, Dai S, Ding J, Sun M, Lin X, Jiang Y, Sun T, Lu R, Huang H, Lin G, Chen R, Yao Q, Kou L. Bilirubin ameliorates osteoarthritis via activating Nrf2/HO-1 pathway and suppressing NF-κB signalling. J Cell Mol Med 2024; 28:e18173. [PMID: 38494841 PMCID: PMC10945086 DOI: 10.1111/jcmm.18173] [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: 07/03/2023] [Revised: 01/08/2024] [Accepted: 01/31/2024] [Indexed: 03/19/2024] Open
Abstract
Osteoarthritis (OA) is a chronic degenerative joint disease that affects worldwide. Oxidative stress plays a critical role in the chronic inflammation and OA progression. Scavenging overproduced reactive oxygen species (ROS) could be rational strategy for OA treatment. Bilirubin (BR) is a potent endogenous antioxidant that can scavenge various ROS and also exhibit anti-inflammatory effects. However, whether BR could exert protection on chondrocytes for OA treatment has not yet been elucidated. Here, chondrocytes were exposed to hydrogen peroxide with or without BR treatment. The cell viability was assessed, and the intracellular ROS, inflammation cytokines were monitored to indicate the state of chondrocytes. In addition, BR was also tested on LPS-treated Raw264.7 cells to test the anti-inflammation property. An in vitro bimimic OA microenvironment was constructed by LPS-treated Raw264.7 and chondrocytes, and BR also exert certain protection for chondrocytes by activating Nrf2/HO-1 pathway and suppressing NF-κB signalling. An ACLT-induced OA model was constructed to test the in vivo therapeutic efficacy of BR. Compared to the clinical used HA, BR significantly reduced cartilage degeneration and delayed OA progression. Overall, our data shows that BR has a protective effect on chondrocytes and can delay OA progression caused by oxidative stress.
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Affiliation(s)
- Xinyu Zhao
- Wenzhou Municipal Key Laboratory of Pediatric Pharmacy, Department of PharmacyThe Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical UniversityWenzhouChina
- Key Laboratory of Structural Malformations in Children of Zhejiang ProvinceWenzhouChina
| | - Baiqun Duan
- Wenzhou Municipal Key Laboratory of Pediatric Pharmacy, Department of PharmacyThe Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical UniversityWenzhouChina
- Key Laboratory of Structural Malformations in Children of Zhejiang ProvinceWenzhouChina
| | - Jianing Wu
- Wenzhou Municipal Key Laboratory of Pediatric Pharmacy, Department of PharmacyThe Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical UniversityWenzhouChina
- Key Laboratory of Structural Malformations in Children of Zhejiang ProvinceWenzhouChina
| | - Lihui Huang
- Wenzhou Municipal Key Laboratory of Pediatric Pharmacy, Department of PharmacyThe Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical UniversityWenzhouChina
- Key Laboratory of Structural Malformations in Children of Zhejiang ProvinceWenzhouChina
| | - Sheng Dai
- Wenzhou Municipal Key Laboratory of Pediatric Pharmacy, Department of PharmacyThe Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical UniversityWenzhouChina
- Key Laboratory of Structural Malformations in Children of Zhejiang ProvinceWenzhouChina
| | - Jie Ding
- Wenzhou Municipal Key Laboratory of Pediatric Pharmacy, Department of PharmacyThe Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical UniversityWenzhouChina
- Key Laboratory of Structural Malformations in Children of Zhejiang ProvinceWenzhouChina
| | - Meng Sun
- Wenzhou Municipal Key Laboratory of Pediatric Pharmacy, Department of PharmacyThe Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical UniversityWenzhouChina
- Key Laboratory of Structural Malformations in Children of Zhejiang ProvinceWenzhouChina
| | - Xinlu Lin
- Wenzhou Municipal Key Laboratory of Pediatric Pharmacy, Department of PharmacyThe Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical UniversityWenzhouChina
| | - Yiling Jiang
- Wenzhou Municipal Key Laboratory of Pediatric Pharmacy, Department of PharmacyThe Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical UniversityWenzhouChina
| | - Tuyue Sun
- Wenzhou Municipal Key Laboratory of Pediatric Pharmacy, Department of PharmacyThe Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical UniversityWenzhouChina
| | - Ruijie Lu
- Wenzhou Municipal Key Laboratory of Pediatric Pharmacy, Department of PharmacyThe Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical UniversityWenzhouChina
| | - Huirong Huang
- Wenzhou Municipal Key Laboratory of Pediatric Pharmacy, Department of PharmacyThe Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical UniversityWenzhouChina
- Zhejiang Engineering Research Center for Innovation and Application of Intelligent Radiotherapy TechnologyWenzhouChina
- School of Pharmaceutical SciencesWenzhou Medical UniversityWenzhouChina
| | - Guangyong Lin
- Wenzhou Municipal Key Laboratory of Pediatric Pharmacy, Department of PharmacyThe Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical UniversityWenzhouChina
| | - Ruijie Chen
- Wenzhou Municipal Key Laboratory of Pediatric Pharmacy, Department of PharmacyThe Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical UniversityWenzhouChina
- Key Laboratory of Structural Malformations in Children of Zhejiang ProvinceWenzhouChina
- Zhejiang‐Hong Kong Precision Theranostics of Thoracic Tumors Joint LaboratoryWenzhouChina
| | - Qing Yao
- Wenzhou Municipal Key Laboratory of Pediatric Pharmacy, Department of PharmacyThe Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical UniversityWenzhouChina
- School of Pharmaceutical SciencesWenzhou Medical UniversityWenzhouChina
| | - Longfa Kou
- Wenzhou Municipal Key Laboratory of Pediatric Pharmacy, Department of PharmacyThe Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical UniversityWenzhouChina
- Key Laboratory of Structural Malformations in Children of Zhejiang ProvinceWenzhouChina
- Zhejiang Engineering Research Center for Innovation and Application of Intelligent Radiotherapy TechnologyWenzhouChina
- Zhejiang‐Hong Kong Precision Theranostics of Thoracic Tumors Joint LaboratoryWenzhouChina
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19
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Li W, He H, Du M, Gao M, Sun Q, Wang Y, Lu H, Ou S, Xia C, Xu C, Zhao Q, Sun H. Quercetin as a promising intervention for rat osteoarthritis by decreasing M1-polarized macrophages via blocking the TRPV1-mediated P2X7/NLRP3 signaling pathway. Phytother Res 2024; 38:1990-2006. [PMID: 38372204 DOI: 10.1002/ptr.8158] [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: 09/19/2023] [Revised: 01/23/2024] [Accepted: 01/29/2024] [Indexed: 02/20/2024]
Abstract
Osteoarthritis (OA) is characterized by an imbalance between M1 and M2 polarized synovial macrophages. Quercetin has shown protective effects against OA by altering M1/M2-polarized macrophages, but the underlying mechanisms remain unclear. In this study, rat chondrocytes were treated with 10 ng/mL of IL-1β. To create M1-polarized macrophages in vitro, rat bone marrow-derived macrophages (rBMDMs) were treated with 100 ng/mL LPS. To mimic OA conditions observed in vivo, a co-culture system of chondrocytes and macrophages was established. ATP release assays, immunofluorescence assays, Fluo-4 AM staining, Transwell assays, ELISA assays, and flow cytometry were performed. Male adult Sprague-Dawley (SD) rats were used to create an OA model. Histological analyses, including H&E, and safranin O-fast green staining were performed. Our data showed a quercetin-mediated suppression of calcium ion influx and ATP release, with concurrent downregulation of TRPV1 and P2X7 in the chondrocytes treated with IL-1β. Activation of TRPV1 abolished the quercetin-mediated effects on calcium ion influx and ATP release in chondrocytes treated with IL-1β. In the co-culture system, overexpression of P2X7 in macrophages attenuated the quercetin-mediated effects on M1 polarization, migration, and inflammation. Either P2X7 or NLRP3 knockdown attenuated IL-1β-induced M1/M2 polarization, migration, and inflammation. Moreover, overexpression of TRPV1 reduced the quercetin-mediated suppressive effects on OA by promoting M1/M2-polarized macrophages in vivo. Collectively, our data showed that quercetin-induced suppression of TRPV1 leads to a delay in OA progression by shifting the macrophage polarization from M1 to M2 subtypes via modulation of the P2X7/NLRP3 pathway.
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Affiliation(s)
- Wenjun Li
- Department of Orthopedics, The Affiliated Guangdong Second Provincial General Hospital of Jinan University, Guangzhou, China
| | - Hebei He
- Department of Orthopedics, The Affiliated Guangdong Second Provincial General Hospital of Jinan University, Guangzhou, China
| | - Min Du
- Department of Orthopedics, The Affiliated Guangdong Second Provincial General Hospital of Jinan University, Guangzhou, China
| | - Mu Gao
- Department of Orthopedics, The Affiliated Guangdong Second Provincial General Hospital of Jinan University, Guangzhou, China
| | - Qijie Sun
- Department of Orthopedics, The Affiliated Guangdong Second Provincial General Hospital of Jinan University, Guangzhou, China
| | - Yeyang Wang
- Department of Orthopedics, The Affiliated Guangdong Second Provincial General Hospital of Jinan University, Guangzhou, China
| | - Hanyu Lu
- Department of Orthopedics, The Affiliated Guangdong Second Provincial General Hospital of Jinan University, Guangzhou, China
| | - Shuanji Ou
- Department of Orthopedics, The Affiliated Guangdong Second Provincial General Hospital of Jinan University, Guangzhou, China
| | - Changliang Xia
- Department of Orthopedics, The Affiliated Guangdong Second Provincial General Hospital of Jinan University, Guangzhou, China
| | - Changpeng Xu
- Department of Orthopedics, The Affiliated Guangdong Second Provincial General Hospital of Jinan University, Guangzhou, China
| | - Qi Zhao
- MoE Frontiers Science Center for Precision Oncology, Faculty of Health Sciences, University of Macau, Macau SAR, China
| | - Hongtao Sun
- Department of Orthopedics, The Affiliated Guangdong Second Provincial General Hospital of Jinan University, Guangzhou, China
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20
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Liu L, Wang J, Liu L, Shi W, Gao H, Liu L. The dysregulated autophagy in osteoarthritis: Revisiting molecular profile. PROGRESS IN BIOPHYSICS AND MOLECULAR BIOLOGY 2024:S0079-6107(24)00034-8. [PMID: 38531488 DOI: 10.1016/j.pbiomolbio.2024.03.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Revised: 01/21/2024] [Accepted: 03/22/2024] [Indexed: 03/28/2024]
Abstract
The risk factors of osteoarthritis (OA) are different and obesity, lifestyle, inflammation, cell death mechanisms and diabetes mellitus are among them. The changes in the biological mechanisms are considered as main regulators of OA pathogenesis. The dysregulation of autophagy is observed in different human diseases. During the pathogenesis of OA, the autophagy levels (induction or inhibition) change. The supportive and pro-survival function of autophagy can retard the progression of OA. The protective autophagy prevents the cartilage degeneration. Moreover, autophagy demonstrates interactions with cell death mechanisms and through inhibition of apoptosis and necroptosis, it improves OA. The non-coding RNA molecules can regulate autophagy and through direct and indirect control of autophagy, they dually delay/increase OA pathogenesis. The mitochondrial integrity can be regulated by autophagy to alleviate OA. Furthermore, therapeutic compounds, especially phytochemicals, stimulate protective autophagy in chondrocytes to prevent cell death. The protective autophagy has ability of reducing inflammation and oxidative damage, as two key players in the pathogenesis of OA.
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Affiliation(s)
- Liang Liu
- Department of Joint Surgery, Affiliated Hospital of Qingdao University, Qingdao, Pingdu, 266000, China
| | - Jie Wang
- Department of Joint Surgery, Affiliated Hospital of Qingdao University, Qingdao, Pingdu, 266000, China
| | - Lu Liu
- Department of Internal Medicine, Tianbao Central Health Hospital, Xintai City, Shandong Province, Shandong, Xintai, 271200, China
| | - Wenling Shi
- Department of Joint Surgery, Affiliated Hospital of Qingdao University, Qingdao, Pingdu, 266000, China
| | - Huajie Gao
- Operating Room of Qingdao University Affiliated Hospital, Qingdao, Pingdu, 266000, China
| | - Lun Liu
- Department of Joint Surgery, Affiliated Hospital of Qingdao University, Qingdao, Pingdu, 266000, China.
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21
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Cao H, Zhou X, Xu B, Hu H, Guo J, Wang M, Li N, Jun Z. Advances in the study of mitophagy in osteoarthritis. J Zhejiang Univ Sci B 2024; 25:197-211. [PMID: 38453635 PMCID: PMC10918408 DOI: 10.1631/jzus.b2300402] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2023] [Accepted: 08/21/2023] [Indexed: 03/09/2024]
Abstract
Osteoarthritis (OA), characterized by cartilage degeneration, synovial inflammation, and subchondral bone remodeling, is among the most common musculoskeletal disorders globally in people over 60 years of age. The initiation and progression of OA involves the abnormal metabolism of chondrocytes as an important pathogenic process. Cartilage degeneration features mitochondrial dysfunction as one of the important causative factors of abnormal chondrocyte metabolism. Therefore, maintaining mitochondrial homeostasis is an important strategy to mitigate OA. Mitophagy is a vital process for autophagosomes to target, engulf, and remove damaged and dysfunctional mitochondria, thereby maintaining mitochondrial homeostasis. Cumulative studies have revealed a strong association between mitophagy and OA, suggesting that the regulation of mitophagy may be a novel therapeutic direction for OA. By reviewing the literature on mitophagy and OA published in recent years, this paper elaborates the potential mechanism of mitophagy regulating OA, thus providing a theoretical basis for studies related to mitophagy to develop new treatment options for OA.
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Affiliation(s)
- Hong Cao
- Department of Sport Rehabilitation, Shanghai University of Sport, Shanghai 200438, China
- National Key Laboratory of Immunity and Inflammation, Naval Medical University, Shanghai 200433, China
| | - Xuchang Zhou
- Department of Sport Rehabilitation, Shanghai University of Sport, Shanghai 200438, China
- School of Sport Medicine and Rehabilitation, Beijing Sport University, Beijing 100084, China
| | - Bowen Xu
- National Key Laboratory of Immunity and Inflammation, Naval Medical University, Shanghai 200433, China
| | - Han Hu
- National Key Laboratory of Immunity and Inflammation, Naval Medical University, Shanghai 200433, China
| | - Jianming Guo
- Department of Sport Rehabilitation, Shanghai University of Sport, Shanghai 200438, China
| | - Miao Wang
- Department of Sport Rehabilitation, Shanghai University of Sport, Shanghai 200438, China
| | - Nan Li
- National Key Laboratory of Immunity and Inflammation, Naval Medical University, Shanghai 200433, China.
| | - Zou Jun
- Department of Sport Rehabilitation, Shanghai University of Sport, Shanghai 200438, China.
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22
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Wu D, Huang W, Zhang J, He L, Chen S, Zhu S, Sang Y, Liu K, Hou G, Chen B, Xu Y, Liu B, Yao H. Downregulation of VEGFA accelerates AGEs-mediated nucleus pulposus degeneration through inhibiting protective mitophagy in high glucose environments. Int J Biol Macromol 2024; 262:129950. [PMID: 38320636 DOI: 10.1016/j.ijbiomac.2024.129950] [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: 08/29/2023] [Revised: 01/24/2024] [Accepted: 02/01/2024] [Indexed: 02/08/2024]
Abstract
Intervertebral disc degeneration (IVDD) contributes largely to low back pain. Recent studies have highlighted the exacerbating role of diabetes mellitus (DM) in IVDD, mainly due to the influence of hyperglycemia (HG) or the accumulation of advanced glycation end products (AGEs). Vascular endothelial growth factor A (VEGFA) newly assumed a distinct impact in nonvascular tissues through mitophagy regulation. However, the combined actions of HG and AGEs on IVDD and the involved role of VEGFA remain unclear. We confirmed the potential relation between VEGFA and DM through bioinformatics and biological specimen detection. Then we observed that AGEs induced nucleus pulposus (NP) cell degeneration by upregulating cellular reactive oxygen species (ROS), and HG further aggravated ROS level through breaking AGEs-induced protective mitophagy. Furthermore, this adverse effect could be strengthened by VEGFA knockdown. Importantly, we identified that the regulation of VEGFA and mitophagy were vital mechanisms in AGEs-HG-induced NP cell degeneration through Parkin/Akt/mTOR and AMPK/mTOR pathway. Additionally, VEGFA overexpression through local injection with lentivirus carrying VEGFA plasmids significantly alleviated NP degeneration and IVDD in STZ-induced diabetes and puncture rat models. In conclusion, the findings first confirmed that VEGFA protects against AGEs-HG-induced IVDD, which may represent a therapeutic strategy for DM-related IVDD.
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Affiliation(s)
- Depeng Wu
- Department of Orthopaedics, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, PR China; Guangdong Provincial Center for Quality Control of Minimally Invasive Spine Surgery, Guangzhou, PR China; Guangdong Provincial Center for Engineering and Technology Research of Minimally Invasive Spine Surgery, Guangzhou, PR China
| | - Weijun Huang
- Department of Orthopaedics, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, PR China; Guangdong Provincial Center for Quality Control of Minimally Invasive Spine Surgery, Guangzhou, PR China; Guangdong Provincial Center for Engineering and Technology Research of Minimally Invasive Spine Surgery, Guangzhou, PR China
| | - Junbin Zhang
- Department of Orthopaedics, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, PR China
| | - Lei He
- Department of Orthopaedics, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, PR China; Guangdong Provincial Center for Quality Control of Minimally Invasive Spine Surgery, Guangzhou, PR China; Guangdong Provincial Center for Engineering and Technology Research of Minimally Invasive Spine Surgery, Guangzhou, PR China
| | - Siyu Chen
- Department of Neurosurgery/Neuro-oncology, Sun Yat-sen University Cancer Center, Guangzhou, PR China
| | - Sihan Zhu
- University Hospital, LMU Munich, 81377 Munich, Germany
| | - Yuan Sang
- Department of Orthopaedics, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, PR China
| | - Kaihua Liu
- Department of Orthopaedics, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, PR China
| | - Gang Hou
- Department of Orthopaedics, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, PR China
| | - Biying Chen
- Department of Orthopaedics, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, PR China
| | - Yichun Xu
- Department of Orthopaedics, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, PR China
| | - Bin Liu
- Department of Orthopaedics, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, PR China; Guangdong Provincial Center for Quality Control of Minimally Invasive Spine Surgery, Guangzhou, PR China; Guangdong Provincial Center for Engineering and Technology Research of Minimally Invasive Spine Surgery, Guangzhou, PR China.
| | - Hui Yao
- Department of Orthopaedics, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, PR China.
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23
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Song Y, Wu S, Zhang R, Zhong Q, Zhang X, Sun X. Therapeutic potential of hydrogen sulfide in osteoarthritis development. Front Pharmacol 2024; 15:1336693. [PMID: 38370481 PMCID: PMC10869529 DOI: 10.3389/fphar.2024.1336693] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2023] [Accepted: 01/22/2024] [Indexed: 02/20/2024] Open
Abstract
The pathological mechanisms and treatments of osteoarthritis (OA) are critical topics in medical research. This paper reviews the regulatory mechanisms of hydrogen sulfide (H2S) in OA and the therapeutic potential of H2S donors. The review highlights the importance of changes in the endogenous H2S pathway in OA development and systematically elaborates on the role of H2S as a third gaseous transmitter that regulates inflammation, oxidative stress, and pain associated with OA. It also explains how H2S can lessen bone and joint inflammation by inhibiting leukocyte adhesion and migration, reducing pro-inflammatory mediators, and impeding the activation of key inflammatory pathways such as nuclear factor kappa B (NF-κB) and mitogen-activated protein kinase (MAPK). Additionally, H2S is shown to mitigate mitochondrial dysfunction and endoplasmic reticulum stress, and to modulate Nrf2, NF-κB, PI3K/Akt, and MAPK pathways, thereby decreasing oxidative stress-induced chondrocyte apoptosis. Moreover, H2S alleviates bone and joint pain through the activation of Kv7, K-ATP, and Nrf2/HO-1-NQO1 pathways. Recent developments have produced a variety of H2S donors, including sustained-release H2S donors, natural H2S donors, and synthetic H2S donors. Understanding the role of H2S in OA can lead to the discovery of new therapeutic targets, while innovative H2S donors offer promising new treatments for patients with OA.
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Affiliation(s)
- Yunjia Song
- Department of Pharmacology, School of Basic Medical Sciences, Heilongjiang University of Chinese Medicine, Harbin, China
| | - Siyu Wu
- Department of Pharmacology, School of Basic Medical Sciences, Heilongjiang University of Chinese Medicine, Harbin, China
| | - Rong Zhang
- Department of Pharmacology, School of Basic Medical Sciences, Heilongjiang University of Chinese Medicine, Harbin, China
| | - Qing Zhong
- Department of Pharmacology, School of Basic Medical Sciences, Heilongjiang University of Chinese Medicine, Harbin, China
| | - Xuanming Zhang
- Department of Orthopedics, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Xutao Sun
- Department of Typhoid, School of Basic Medical Sciences, Heilongjiang University of Chinese Medicine, Harbin, China
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24
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An F, Zhang J, Gao P, Xiao Z, Chang W, Song J, Wang Y, Ma H, Zhang R, Chen Z, Yan C. New insight of the pathogenesis in osteoarthritis: the intricate interplay of ferroptosis and autophagy mediated by mitophagy/chaperone-mediated autophagy. Front Cell Dev Biol 2023; 11:1297024. [PMID: 38143922 PMCID: PMC10748422 DOI: 10.3389/fcell.2023.1297024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Accepted: 11/27/2023] [Indexed: 12/26/2023] Open
Abstract
Ferroptosis, characterized by iron accumulation and lipid peroxidation, is a form of iron-driven cell death. Mitophagy is a type of selective autophagy, where degradation of damaged mitochondria is the key mechanism for maintaining mitochondrial homeostasis. Additionally, Chaperone-mediated autophagy (CMA) is a biological process that transports individual cytoplasmic proteins to lysosomes for degradation through companion molecules such as heat shock proteins. Research has demonstrated the involvement of ferroptosis, mitophagy, and CMA in the pathological progression of Osteoarthritis (OA). Furthermore, research has indicated a significant correlation between alterations in the expression of reactive oxygen species (ROS), adenosine monophosphate (AMP)-activated protein kinase (AMPK), and hypoxia-inducible factors (HIFs) and the occurrence of OA, particularly in relation to ferroptosis and mitophagy. In light of these findings, our study aims to assess the regulatory functions of ferroptosis and mitophagy/CMA in the pathogenesis of OA. Additionally, we propose a mechanism of crosstalk between ferroptosis and mitophagy, while also examining potential pharmacological interventions for targeted therapy in OA. Ultimately, our research endeavors to offer novel insights and directions for the prevention and treatment of OA.
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Affiliation(s)
- Fangyu An
- Teaching Experiment Training Center, Gansu University of Chinese Medicine, Lanzhou, China
| | - Jie Zhang
- School of Basic Medicine, Gansu University of Chinese Medicine, Lanzhou, China
| | - Peng Gao
- School of Basic Medicine, Gansu University of Chinese Medicine, Lanzhou, China
| | - Zhipan Xiao
- School of Traditional Chinese and Western Medicine, Gansu University of Chinese Medicine, Lanzhou, China
| | - Weirong Chang
- School of Basic Medicine, Gansu University of Chinese Medicine, Lanzhou, China
| | - Jiayi Song
- School of Basic Medicine, Gansu University of Chinese Medicine, Lanzhou, China
| | - Yujie Wang
- School of Traditional Chinese and Western Medicine, Gansu University of Chinese Medicine, Lanzhou, China
| | - Haizhen Ma
- Teaching Department of Medicine, Gansu University of Chinese Medicine, Lanzhou, China
| | - Rui Zhang
- Teaching Department of Medicine, Gansu University of Chinese Medicine, Lanzhou, China
| | - Zhendong Chen
- Teaching Department of Medicine, Gansu University of Chinese Medicine, Lanzhou, China
| | - Chunlu Yan
- School of Traditional Chinese and Western Medicine, Gansu University of Chinese Medicine, Lanzhou, China
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25
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Pan J, Cai Y, Zhang C, Xu S. Intra-articular delivery of geraniol encapsulated by pH/redox-responsive nanogel ameliorates osteoarthritis by regulating oxidative stress and inflammation. J Mol Histol 2023; 54:579-591. [PMID: 37848748 PMCID: PMC10635995 DOI: 10.1007/s10735-023-10163-4] [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: 07/05/2022] [Accepted: 09/30/2023] [Indexed: 10/19/2023]
Abstract
Osteoarthritis (OA) remains a challenging condition due to limited drug bioavailability within the avascular and dense cartilage matrix. This study introduces a pH/redox-responsive nanogel for enhanced delivery of geraniol in OA therapy. We investigated geraniol's role in preventing chondrocyte matrix degradation and designed a pH/redox-responsive nanogel as a delivery platform. Our methods included Western blot, histological staining, and immunohistochemistry. Geraniol treatment reduced Keap1 expression while elevating Nrf2 and HO-1 levels, effectively inhibiting cartilage matrix degradation. The pH/redox-responsive nanogel further enhanced geraniol's therapeutic impact. Our study demonstrates that geraniol encapsulated within a pH/redox-responsive nanogel mitigates OA by regulating oxidative stress and inflammation. This innovative approach holds potential as an effective OA therapeutic strategy.
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Affiliation(s)
- Jun Pan
- Department of Orthopedics, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310003, China.
| | - Youzhi Cai
- Department of Orthopedics, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310003, China
| | - Chi Zhang
- Department of Orthopedics, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310003, China
| | - Sanzhong Xu
- Department of Orthopedics, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310003, China
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26
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Liu J, Liu C, Chen H, Cen H, Yang H, Liu P, Liu F, Ma L, Chen Q, Wang L. Tongguan capsule for treating myocardial ischemia-reperfusion injury: integrating network pharmacology and mechanism study. PHARMACEUTICAL BIOLOGY 2023; 61:437-448. [PMID: 36789620 PMCID: PMC9937005 DOI: 10.1080/13880209.2023.2175877] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Revised: 12/11/2022] [Accepted: 01/29/2023] [Indexed: 06/12/2023]
Abstract
CONTEXT Although Tongguan capsule (TGC) is used in the treatment of coronary atherosclerotic disease, the exact mechanism remains unclear. OBJECTIVE Network pharmacology and experimental validation were applied to examine the mechanism of TGC for treating myocardial ischemia-reperfusion injury (MIRI). MATERIALS AND METHODS The components and candidate targets were searched based on various databases such as TCMSP, TCMID, BATMAN-TCM. The binding ability was determined by molecular docking. The ischemia-reperfusion (I/R) model was constructed by ligating the left anterior descending (LAD) coronary artery. APOE-/- mice were divided into three groups (n = 6): Sham group, I/R group, and TGC group (1 g/kg/d). To further verification, HCAEC cells were subjected to hypoxia-reoxygenation (H/R) to establish in vitro model. RESULTS The compounds, such as quercetin, luteolin, tanshinone IIA, kaempferol and bifendate, were obtained after screening. The affinity values of the components with GSK-3β, mTOR, Beclin-1, and LC3 were all <-5 kcal/mol. In vivo, TGC improved LVEF and FS, reducing infarct size. In vitro, Hoechst 33258 staining result showed TGC inhibited apoptosis. Compare with the H/R model, TGC treatment increased the levels of GSK-3β, LC3, and Beclin1, while decreasing the expression of mTOR and p62 (p < 0.05). DISCUSSION AND CONCLUSION The findings revealed that TGC exerted a cardioprotective effect by up regulating autophagy-related proteins through the mTOR pathway, which may be a therapeutic option for MIRI. However, there are still some limitations in this research. It is necessary to search more databases to obtain information and further demonstrated through randomized controlled trials for generalization.
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Affiliation(s)
- Jiantao Liu
- State Key Laboratory of Dampness Syndrome of Chinese Medicine, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
- Shunde Hospital of Guangzhou University of Chinese Medicine, Foshan, China
| | - Chunping Liu
- State Key Laboratory of Dampness Syndrome of Chinese Medicine, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
- Guangdong-Hong Kong-Macau Joint Lab on Chinese Medicine and Immune Disease Research, Guangzhou, China
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macau, China
| | - Huiqi Chen
- State Key Laboratory of Dampness Syndrome of Chinese Medicine, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Huan Cen
- State Key Laboratory of Dampness Syndrome of Chinese Medicine, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Hailong Yang
- State Key Laboratory of Dampness Syndrome of Chinese Medicine, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Peijian Liu
- Shunde Hospital of Guangzhou University of Chinese Medicine, Foshan, China
| | - Fang Liu
- School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Liuling Ma
- State Key Laboratory of Dampness Syndrome of Chinese Medicine, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Quanfu Chen
- State Key Laboratory of Dampness Syndrome of Chinese Medicine, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Lei Wang
- State Key Laboratory of Dampness Syndrome of Chinese Medicine, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
- Department of Cardiovascular Medicine, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
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27
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Cheng C, Wu Y, Huang Y, Xue Q, Wang Y, Liao F, Wang X, Miao C. Epigenetic modification and exosome effects on autophagy in osteoarthritis. Biochem Pharmacol 2023; 218:115930. [PMID: 37979704 DOI: 10.1016/j.bcp.2023.115930] [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: 09/27/2023] [Revised: 11/14/2023] [Accepted: 11/15/2023] [Indexed: 11/20/2023]
Abstract
Osteoarthritis (OA) is a degenerative disease that leads to joint pain and stiffness and is one of the leading causes of disability and pain worldwide. Autophagy is a highly conserved self-degradation process, and its abnormal function is closely related to human diseases, including OA. Abnormal autophagy regulates cell aging, matrix metalloproteinase metabolism, and reactive oxygen metabolism, which are key in the occurrence and development of OA. There is evidence that drugs directly or indirectly targeting autophagy significantly hinder the progress of OA. In addition, the occurrence and development of autophagy in OA are regulated by many factors, including epigenetic modification, exosomes, crucial autophagy molecules, and signaling pathway regulation. Autophagy, as a new therapeutic target for OA, has widely influenced the pathological mechanism of OA. However, determining how autophagy affects OA pathology and its use in the treatment and diagnosis of targets still need further research.
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Affiliation(s)
- Chenglong Cheng
- Department of Pharmacology, School of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, Hefei, China
| | - Yajie Wu
- Department of Pharmacology, School of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, Hefei, China
| | - Yurong Huang
- Department of Pharmacology, School of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, Hefei, China
| | - Qiuyun Xue
- Department of Pharmacology, School of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, Hefei, China
| | - Yuting Wang
- Department of Pharmacology, School of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, Hefei, China
| | - Faxue Liao
- Department of Orthopaedics, The First Affiliated Hospital, Anhui Medical University, Hefei, China; Anhui Public Health Clinical Center, Hefei, China.
| | - Xiaomei Wang
- Department of Humanistic Nursing, School of Nursing, Anhui University of Chinese Medicine, Hefei, China
| | - Chenggui Miao
- Department of Pharmacology, School of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, Hefei, China; Institute of Rheumatism, Anhui University of Chinese Medicine, Hefei, China.
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Yao D, Wang Y, Chen Y, Chen G. The Analgesia Effect of Aucubin on CFA-Induced Inflammatory Pain by Inhibiting Glial Cells Activation-Mediated Inflammatory Response via Activating Mitophagy. Pharmaceuticals (Basel) 2023; 16:1545. [PMID: 38004411 PMCID: PMC10674556 DOI: 10.3390/ph16111545] [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: 09/18/2023] [Revised: 10/10/2023] [Accepted: 10/30/2023] [Indexed: 11/26/2023] Open
Abstract
BACKGROUND Inflammatory pain, characterized by sustained nociceptive hypersensitivity, represents one of the most prevalent conditions in both daily life and clinical settings. Aucubin, a natural plant iridoid glycoside, possesses potent biological effects, encompassing anti-inflammatory, antioxidant, and neuroprotective properties. However, its impact on inflammatory pain remains unclear. The aim of this study is to investigate the therapeutic effects and underlying mechanism of aucubin in addressing inflammatory pain induced by complete Freund's adjuvant (CFA). METHODS The CFA-induced inflammatory pain model was employed to assess whether aucubin exerts analgesic effects and its potential mechanisms. Behavioral tests evaluated mechanical and thermal hyperalgesia as well as anxiety-like behaviors in mice. The activation of spinal glial cells and the expression of pro-inflammatory cytokines were examined to evaluate neuroinflammation. Additionally, RNA sequencing was utilized for the identification of differentially expressed genes (DEGs). Molecular biology experiments were conducted to determine the levels of the PINK1 gene and autophagy-related genes, along with PINK1 distribution in neural cells. Furthermore, mitophagy induced by carbonyl cyanide m-chlorophenylhydrazone (CCCP) was employed to examine the roles of PINK1 and mitophagy in pain processing. RESULTS Aucubin significantly ameliorated pain and anxiety-like behaviors induced by CFA in mice and reduced spinal inflammation. RNA sequencing indicated PINK1 as a pivotal gene, and aucubin treatment led to a significant downregulation of PINK1 expression. Further GO and KEGG analyses suggested the involvement of mitochondrial function in the therapeutic regulation of aucubin. Western blotting revealed that aucubin markedly decreased PINK1, Parkin, and p62 levels while increasing LC3B expression. Immunofluorescence showed the predominant co-localization of PINK1 with neuronal cells. Moreover, CCCP-induced mitophagy alleviated mechanical and thermal hyperalgesia caused by CFA and reversed CFA-induced mitochondrial dysfunction. CONCLUSIONS In summary, our data suggest that aucubin effectively alleviates CFA-induced inflammatory pain, potentially through triggering the PINK1 pathway, promoting mitophagy, and suppressing inflammation. These results provide a novel theoretical foundation for addressing the treatment of inflammatory pain.
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Affiliation(s)
- Dandan Yao
- Department of Anesthesiology, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou 310058, China
- Department of Anesthesiology, School of Medicine, Shaoxing University, Shaoxing 312000, China
| | - Yongjie Wang
- Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines, Engineering Laboratory of Development and Application of Traditional Chinese Medicines, Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou 311121, China
| | - Yeru Chen
- Department of Anesthesiology, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou 310058, China
| | - Gang Chen
- Department of Anesthesiology, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou 310058, China
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Feng R, Liu J, Yang Z, Yao T, Ye P, Li X, Zhang J, Jiang H. Realgar-Induced Neurotoxicity: Crosstalk Between the Autophagic Flux and the p62-NRF2 Feedback Loop Mediates p62 Accumulation to Promote Apoptosis. Mol Neurobiol 2023; 60:6001-6017. [PMID: 37400749 DOI: 10.1007/s12035-023-03452-2] [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: 04/26/2022] [Accepted: 06/20/2023] [Indexed: 07/05/2023]
Abstract
Realgar is a traditional Chinese medicine that contains arsenic. It has been reported that the abuse of medicine-containing realgar has potential central nervous system (CNS) toxicity, but the toxicity mechanism has not been elucidated. In this study, we established an in vivo realgar exposure model and selected the end product of realgar metabolism, DMA, to treat SH-SY5Y cells in vitro. Many assays, including behavioral, analytical chemistry, and molecular biology, were used to elucidate the roles of the autophagic flux and the p62-NRF2 feedback loop in realgar-induced neurotoxicity. The results showed that arsenic could accumulate in the brain, causing cognitive impairment and anxiety-like behavior. Realgar impairs the ultrastructure of neurons, promotes apoptosis, perturbs autophagic flux homeostasis, amplifies the p62-NRF2 feedback loop, and leads to p62 accumulation. Further analysis showed that realgar promotes the formation of the Beclin1-Vps34 complex by activating JNK/c-Jun to induce autophagy and recruit p62. Meanwhile, realgar inhibits the activities of CTSB and CTSD and changes the acidity of lysosomes, leading to the inhibition of p62 degradation and p62 accumulation. Moreover, the amplified p62-NRF2 feedback loop is involved in the accumulation of p62. Its accumulation promotes neuronal apoptosis by upregulating the expression levels of Bax and cleaved caspase-9, resulting in neurotoxicity. Taken together, these data suggest that realgar can perturb the crosstalk between the autophagic flux and the p62-NRF2 feedback loop to mediate p62 accumulation, promote apoptosis, and induce neurotoxicity. Realgar promotes p62 accumulation to produce neurotoxicity by perturbing the autophagic flux and p62-NRF2 feedback loop crosstalk.
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Affiliation(s)
- Rui Feng
- Department of Health Laboratory Technology, School of Public Health, China Medical University, Shengyang, 110122, China
| | - Jieyu Liu
- Department of Health Laboratory Technology, School of Public Health, China Medical University, Shengyang, 110122, China
| | - Zhao Yang
- Department of Health Laboratory Technology, School of Public Health, China Medical University, Shengyang, 110122, China
| | - Tiantian Yao
- Department of Health Laboratory Technology, School of Public Health, China Medical University, Shengyang, 110122, China
| | - Ping Ye
- Department of Health Laboratory Technology, School of Public Health, China Medical University, Shengyang, 110122, China
| | - Xiuhan Li
- Department of Health Laboratory Technology, School of Public Health, China Medical University, Shengyang, 110122, China
| | - Jiaxin Zhang
- Department of Health Laboratory Technology, School of Public Health, China Medical University, Shengyang, 110122, China
| | - Hong Jiang
- Department of Health Laboratory Technology, School of Public Health, China Medical University, Shengyang, 110122, China.
- Key Laboratory of Liaoning Province On Toxic and Biological Effects of Arsenic, Shengyang, 110122, China.
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Zheng G, Ren J, Shang L, Bao Y. Role of autophagy in the pathogenesis and regulation of pain. Eur J Pharmacol 2023; 955:175859. [PMID: 37429517 DOI: 10.1016/j.ejphar.2023.175859] [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: 01/02/2023] [Revised: 06/08/2023] [Accepted: 06/15/2023] [Indexed: 07/12/2023]
Abstract
Pain is a ubiquitous and highly concerned clinical symptom, usually caused by peripheral or central nervous injury, tissue damage, or other diseases. The long-term existence of pain can seriously affect daily physical function and quality of life and produce great torture on the physiological and psychological levels. However, the complex pathogenesis of pain involving molecular mechanisms and signaling pathways has not been fully elucidated, and managing pain remains highly challenging. As a result, finding new targets to pursue effective and long-term pain treatment strategies is required and urgent. Autophagy is an intracellular degradation and recycling process that maintains tissue homeostasis and energy supply, which can be cytoprotective and is vital in maintaining neural plasticity and proper nervous system function. Much evidence has shown that autophagy dysregulation is linked to the emergence of neuropathic pain, such as postherpetic neuralgia and cancer-related pain. Autophagy has also been connected to pain caused by osteoarthritis and lumbar disc degeneration. It is worth noting that in recent years, studies on traditional Chinese medicine have also proved that several traditional Chinese medicine monomers involve autophagy in the mechanism of pain relief. Therefore, autophagy can serve as a potential regulatory target to provide new ideas and inspiration for pain management.
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Affiliation(s)
- Guangda Zheng
- Department of Oncology, Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, 100053, China.
| | - Juanxia Ren
- Liaoning University of Traditional Chinese Medicine, Shenyang, 110847, Liaoning Province, China.
| | - Lu Shang
- Liaoning University of Traditional Chinese Medicine, Shenyang, 110847, Liaoning Province, China.
| | - Yanju Bao
- Department of Oncology, Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, 100053, China.
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Shafiei B, Afgar A, Nematollahi MH, Shabani M, Nazari-Robati M. Effect of trehalose on miR-132 and SIRT1 in the hippocampus of aged rats. Neurosci Lett 2023; 813:137418. [PMID: 37549864 DOI: 10.1016/j.neulet.2023.137418] [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: 06/12/2023] [Revised: 08/01/2023] [Accepted: 08/02/2023] [Indexed: 08/09/2023]
Abstract
Aging causes substantial molecular to morphological changes in the brain. The brain cells are more susceptible towards oxidative damage due to impaired antioxidant defense system. Sirtuin1 (SIRT1) is a crucial cellular survival protein, which its gene has been identified as a direct target of microRNA 132 (miR-132). Trehalose contributes to preventing neuronal damage through several mechanisms. However, little is known about the interactive effects of aging and trehalose on the expression pattern of miR-132 and SIRT1 in the hippocampus. Male Wistar rats were divided into four groups. Two groups of aged (24 months) and young (4 months) rats were administered 2% trehalose solution for 30 days. Two other groups of aged and young rats received regular tap water. At the end of treatment, the levels of Sirt1 mRNA and its protein, malondialdehyde, protein carbonyl content, total antioxidant capacity, tumor necrosis factor α (TNF-α), as well as the expression of miR-132 were measured in the hippocampus. We found that trehalose treatment upregulated the expression of SIRT1 and miR-132. Moreover, administration of trehalose enhanced the level of total antioxidant activity whereas reduced the levels of lipid peroxidation, protein carbonyl content, and TNF-α. In conclusion, our data indicated that trehalose restored antioxidant status and alleviated inflammation in the hippocampus which was probably associated with the upregulation of SIRT1 and miR-132.
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Affiliation(s)
- Bentolhoda Shafiei
- Neuroscience Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran; Department of Clinical Biochemistry, Faculty of Medicine, Kerman University of Medical Sciences, Kerman, Iran
| | - Ali Afgar
- Research Center for Hydatid Disease in Iran, Kerman University of Medical Sciences, Kerman, Iran
| | - Mohammad Hadi Nematollahi
- Department of Clinical Biochemistry, Faculty of Medicine, Kerman University of Medical Sciences, Kerman, Iran
| | - Mohammad Shabani
- Neuroscience Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran
| | - Mahdieh Nazari-Robati
- Department of Clinical Biochemistry, Faculty of Medicine, Kerman University of Medical Sciences, Kerman, Iran.
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Zhu R, Wang Y, Ouyang Z, Hao W, Zhou F, Lin Y, Cheng Y, Zhou R, Hu W. Targeting regulated chondrocyte death in osteoarthritis therapy. Biochem Pharmacol 2023; 215:115707. [PMID: 37506921 DOI: 10.1016/j.bcp.2023.115707] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Revised: 07/23/2023] [Accepted: 07/25/2023] [Indexed: 07/30/2023]
Abstract
In vivo articular cartilage degeneration is an essential hallmark of osteoarthritis (OA), involving chondrocyte senescence, extracellular matrix degradation, chondrocyte death, cartilage loss, and bone erosion. Among them, chondrocyte death is one of the major factors leading to cartilage degeneration. Many studies have reported that various cell death modes, including apoptosis, ferroptosis, and autophagy, play a key role in OA chondrocyte death. Currently, there is insufficient understanding of OA pathogenesis, and there remains a lack of treatment methods to prevent OA and inhibit its progression. Studies suggest that OA prevention and treatment are mainly directed to arrest premature or excessive chondrocyte death. In this review, we a) discuss the forms of death of chondrocytes and the associations between them, b) summarize the critical factors in chondrocyte death, c) discuss the vital role of chondrocyte death in OA, d) and, explore new approaches for targeting the regulation of chondrocyte death in OA treatment.
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Affiliation(s)
- Rendi Zhu
- Department of Clinical Pharmacology, The Second Hospital of Anhui Medical University, Hefei 230601, China; The Key Laboratory of Major Autoimmune Diseases, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei 230032, China
| | - Yan Wang
- Department of Clinical Pharmacology, The Second Hospital of Anhui Medical University, Hefei 230601, China; The Key Laboratory of Major Autoimmune Diseases, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei 230032, China
| | - Ziwei Ouyang
- Department of Clinical Pharmacology, The Second Hospital of Anhui Medical University, Hefei 230601, China; The Key Laboratory of Major Autoimmune Diseases, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei 230032, China
| | - Wenjuan Hao
- Department of Clinical Pharmacology, The Second Hospital of Anhui Medical University, Hefei 230601, China; The Key Laboratory of Major Autoimmune Diseases, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei 230032, China
| | - Fuli Zhou
- Department of Clinical Pharmacology, The Second Hospital of Anhui Medical University, Hefei 230601, China; The Key Laboratory of Major Autoimmune Diseases, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei 230032, China
| | - Yi Lin
- Department of Clinical Pharmacology, The Second Hospital of Anhui Medical University, Hefei 230601, China; The Key Laboratory of Major Autoimmune Diseases, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei 230032, China
| | - Yuanzhi Cheng
- Department of Clinical Pharmacology, The Second Hospital of Anhui Medical University, Hefei 230601, China; The Key Laboratory of Major Autoimmune Diseases, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei 230032, China
| | - Renpeng Zhou
- Department of Clinical Pharmacology, The Second Hospital of Anhui Medical University, Hefei 230601, China; Anhui Provincial Institute of Translational Medicine, Hefei 230032, China.
| | - Wei Hu
- Department of Clinical Pharmacology, The Second Hospital of Anhui Medical University, Hefei 230601, China; Anhui Provincial Institute of Translational Medicine, Hefei 230032, China.
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Jiang H, Yu J, Yan Z, Lin Z, Lin M, Mao Y, Hong Z, Lin J, Xue X, Pan X. Pharmacological activation of the Nrf2 pathway by Taxifolin remodels articular cartilage microenvironment for the therapy of Osteoarthritis. Int Immunopharmacol 2023; 122:110587. [PMID: 37399606 DOI: 10.1016/j.intimp.2023.110587] [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: 05/25/2023] [Revised: 06/17/2023] [Accepted: 06/29/2023] [Indexed: 07/05/2023]
Abstract
BACKGROUND Osteoarthritis (OA) is a widely prevalent degenerative disease marked by extracellular matrix (ECM) degradation, inflammation, and apoptosis. Taxifolin (TAX) is a natural antioxidant possessing various pharmacological benefits, such as combating inflammation, oxidative stress, apoptosis, and serves as a potential chemopreventive agent by regulating genes through an antioxidant response element (ARE)-dependent mechanism. Currently, no studies have investigated the therapeutic impact and precise mechanism of TAX on OA. PURPOSE The aim of this study is to examine the potential role and mechanism of TAX in reshaping the cartilage microenvironment, thereby offering a stronger theoretical foundation for pharmacologically activating the Nrf2 pathway to manage OA. STUDY DESIGN AND METHODS The pharmacological effects of TAX were examined in chondrocytes through in vitro studies and in a destabilization of the medial meniscus (DMM) rat model for in vivo analysis. RESULTS TAX suppresses IL-1β triggered secretion of inflammatory agents, chondrocyte apoptosis, and ECM degradation, contributing to the remodeling of the cartilage microenvironment. In vivo experiment results demonstrated that TAX counteracted cartilage degeneration induced by DMM in rats. Mechanistic investigations revealed that TAX hinders OA development by reducing NF-κB activation and ROS production through the activation of the Nrf2/HO-1 axis. CONCLUSION TAX reshapes the articular cartilage microenvironment by suppressing inflammation, mitigating apoptosis, and decreasing ECM degradation through the activation of the Nrf2 pathway. As a result, pharmacological activation of the Nrf2 pathway by TAX holds potential clinical significance in remodeling the joint microenvironment for OA treatment.
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Affiliation(s)
- Hongyi Jiang
- Department of Orthopedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang Province, China; Key Laboratory of Orthopedics of Zhejiang Province, Wenzhou, Zhejiang Province, China; The Second Clinical School of Medicine, Wenzhou Medical University, Wenzhou, Zhejiang Province, China
| | - Jiachen Yu
- Department of Orthopedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang Province, China; Key Laboratory of Orthopedics of Zhejiang Province, Wenzhou, Zhejiang Province, China; The Second Clinical School of Medicine, Wenzhou Medical University, Wenzhou, Zhejiang Province, China
| | - Zijian Yan
- Department of Orthopedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang Province, China; Key Laboratory of Orthopedics of Zhejiang Province, Wenzhou, Zhejiang Province, China; The Second Clinical School of Medicine, Wenzhou Medical University, Wenzhou, Zhejiang Province, China
| | - Zhongnan Lin
- Department of Orthopedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang Province, China; Key Laboratory of Orthopedics of Zhejiang Province, Wenzhou, Zhejiang Province, China; The Second Clinical School of Medicine, Wenzhou Medical University, Wenzhou, Zhejiang Province, China
| | - Minghao Lin
- Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, Zhejiang, China
| | - Yiwen Mao
- Department of Orthopedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang Province, China; Key Laboratory of Orthopedics of Zhejiang Province, Wenzhou, Zhejiang Province, China; The Second Clinical School of Medicine, Wenzhou Medical University, Wenzhou, Zhejiang Province, China
| | - Zechao Hong
- Department of Orthopedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang Province, China; Key Laboratory of Orthopedics of Zhejiang Province, Wenzhou, Zhejiang Province, China; The Second Clinical School of Medicine, Wenzhou Medical University, Wenzhou, Zhejiang Province, China
| | - Jian Lin
- Department of Orthopedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang Province, China; Key Laboratory of Orthopedics of Zhejiang Province, Wenzhou, Zhejiang Province, China; The Second Clinical School of Medicine, Wenzhou Medical University, Wenzhou, Zhejiang Province, China.
| | - Xinghe Xue
- Department of Orthopedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang Province, China; Key Laboratory of Orthopedics of Zhejiang Province, Wenzhou, Zhejiang Province, China; The Second Clinical School of Medicine, Wenzhou Medical University, Wenzhou, Zhejiang Province, China.
| | - Xiaoyun Pan
- Department of Orthopedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang Province, China; Key Laboratory of Orthopedics of Zhejiang Province, Wenzhou, Zhejiang Province, China; The Second Clinical School of Medicine, Wenzhou Medical University, Wenzhou, Zhejiang Province, China.
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Ni B, Yan J, Cai W, Xiao Y, Tu C. Tizoxanide as a novel theraputic candidate for osteoarthritis. Heliyon 2023; 9:e19472. [PMID: 37662752 PMCID: PMC10472306 DOI: 10.1016/j.heliyon.2023.e19472] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2022] [Revised: 08/19/2023] [Accepted: 08/23/2023] [Indexed: 09/05/2023] Open
Abstract
Osteoarthritis (OA) is a frequently seen degenerative joint disease in the elderly. Its pathogenesis is highly related to the local inflammatory reaction and autophagy. Tizoxanide (Tiz), the main active metabolite of nitazoxanide, has proved its anti-inflammatory properties in several diseases. However, the exact role of Tiz in OA remains to explore. In this study, we investigated the anti-arthritic effects and the underlying molecular mechanisms of Tiz on rat OA. The results showed that Tiz could attenuate the IL-1β-induced inflammatory disorders, cartilage matrix damage and autophagy reduction in rat chondrocytes. Moreover, employment of autophagy inhibitor 3-methyladenine (3-MA) could antagonize the protective effects of Tiz in IL-1β-treated rat chondrocytes. Additionally, Tiz also inhibited the IL-1β-induced PI3K/AKT/mTOR and P38/JNK phosphorylation in chondrocytes. In vivo, intra-articular injection of Tiz could significantly alleviate the progression of cartilage damage in rat OA model. Briefly, our study demonstrated the therapeutic potential of Tiz in OA, suggesting that Tiz administration might serve as a promising strategy in OA therapy.
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Affiliation(s)
- Bowei Ni
- Department of Orthopedics, Renmin Hospital of Wuhan University, Wuhan, Hubei, PR China
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China
- Department of Orthopedics, Tongren Hospital of Wuhan University, Wuhan Third Hopspital, Wuhan, Hubei, PR China
| | - Jiyuan Yan
- Department of Orthopedics, Renmin Hospital of Wuhan University, Wuhan, Hubei, PR China
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China
| | - Wenxiang Cai
- Department of Orthopedics, Renmin Hospital of Wuhan University, Wuhan, Hubei, PR China
| | - Yifan Xiao
- Department of Pathology and Pathophysiology, Medical College, Jianghan University, Wuhan, Hubei, PR China
| | - Chang Tu
- Department of Orthopedics, Renmin Hospital of Wuhan University, Wuhan, Hubei, PR China
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Xu YC, Zheng H, Guo JC, Tan XY, Zhao T, Song YF, Wei XL, Luo Z. Effects of Different Dietary Zinc (Zn) Sources on Growth Performance, Zn Metabolism, and Intestinal Health of Grass Carp. Antioxidants (Basel) 2023; 12:1664. [PMID: 37759967 PMCID: PMC10525721 DOI: 10.3390/antiox12091664] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2023] [Revised: 08/18/2023] [Accepted: 08/19/2023] [Indexed: 09/29/2023] Open
Abstract
This research was conducted to investigate the effects of four dietary zinc (Zn) sources on growth performance, Zn metabolism, antioxidant capacity, endoplasmic reticulum (ER) stress, and tight junctions in the intestine of grass carp Ctenopharyngodon idella. Four Zn sources consisted of Zn dioxide nanoparticles (ZnO NPs), Zn sulfate heptahydrate (ZnSO4·7H2O), Zn lactate (Zn-Lac), and Zn glycine chelate (Zn-Gly), respectively. Grass carp with an initial body weight of 3.54 g/fish were fed one of four experimental diets for 8 weeks. Compared to inorganic Zn (ZnSO4·7H2O), grass carp fed the ZnO NPs and Zn-Gly diets exhibited better growth performance. Furthermore, grass carp fed the organic Zn (Zn-Lac and Zn-Gly) diets displayed enhanced Zn transport activity, improved intestinal histology, and increased intestinal tight junction-related genes expression compared to other groups. In comparison to other Zn sources, dietary ZnO NPs caused increased Zn deposition and damaged antioxidation capacity by suppressing antioxidant enzymatic activities and related gene expression in the intestine. Grass cap fed the ZnO NPs diet also exhibited lower mRNA abundance of endoplasmic reticulum (ER) stress- and tight junction-associated genes. According to the above findings, it can be concluded that dietary organic Zn addition (Zn-Lac and Zn-Gly) is more beneficial for intestinal health in grass carp compared to inorganic and nanoform Zn sources. These findings provide valuable insights into the application of organic Zn sources, specifically Zn-Lac and Zn-Gly, in the diets for grass carp and potentially for other fish species.
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Affiliation(s)
- Yi-Chuang Xu
- Hubei Hongshan Laboratory, Fishery College, Huazhong Agricultural University, Wuhan 430070, China; (Y.-C.X.); (H.Z.); (J.-C.G.); (X.-Y.T.); (T.Z.); (Y.-F.S.); (X.-L.W.)
| | - Hua Zheng
- Hubei Hongshan Laboratory, Fishery College, Huazhong Agricultural University, Wuhan 430070, China; (Y.-C.X.); (H.Z.); (J.-C.G.); (X.-Y.T.); (T.Z.); (Y.-F.S.); (X.-L.W.)
| | - Jia-Cheng Guo
- Hubei Hongshan Laboratory, Fishery College, Huazhong Agricultural University, Wuhan 430070, China; (Y.-C.X.); (H.Z.); (J.-C.G.); (X.-Y.T.); (T.Z.); (Y.-F.S.); (X.-L.W.)
| | - Xiao-Ying Tan
- Hubei Hongshan Laboratory, Fishery College, Huazhong Agricultural University, Wuhan 430070, China; (Y.-C.X.); (H.Z.); (J.-C.G.); (X.-Y.T.); (T.Z.); (Y.-F.S.); (X.-L.W.)
| | - Tao Zhao
- Hubei Hongshan Laboratory, Fishery College, Huazhong Agricultural University, Wuhan 430070, China; (Y.-C.X.); (H.Z.); (J.-C.G.); (X.-Y.T.); (T.Z.); (Y.-F.S.); (X.-L.W.)
| | - Yu-Feng Song
- Hubei Hongshan Laboratory, Fishery College, Huazhong Agricultural University, Wuhan 430070, China; (Y.-C.X.); (H.Z.); (J.-C.G.); (X.-Y.T.); (T.Z.); (Y.-F.S.); (X.-L.W.)
| | - Xiao-Lei Wei
- Hubei Hongshan Laboratory, Fishery College, Huazhong Agricultural University, Wuhan 430070, China; (Y.-C.X.); (H.Z.); (J.-C.G.); (X.-Y.T.); (T.Z.); (Y.-F.S.); (X.-L.W.)
| | - Zhi Luo
- Hubei Hongshan Laboratory, Fishery College, Huazhong Agricultural University, Wuhan 430070, China; (Y.-C.X.); (H.Z.); (J.-C.G.); (X.-Y.T.); (T.Z.); (Y.-F.S.); (X.-L.W.)
- Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China
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Robledo E, Benito Rodriguez PG, Vega IA, Colombo MI, Aguilera MO. Staphylococcus aureus phagocytosis is affected by senescence. FRONTIERS IN AGING 2023; 4:1198241. [PMID: 37584054 PMCID: PMC10423838 DOI: 10.3389/fragi.2023.1198241] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Accepted: 07/03/2023] [Indexed: 08/17/2023]
Abstract
Senescent cells accumulate in multicellular animals with aging, resulting in organ or tissue dysfunction. These alterations increase the incidence of a variety of illnesses, including infectious diseases, and, in certain instances, its severity. In search of a rationale for this phenomenon, we focused on the endophagocytic pathway in senescent cells. We first described the endocytic vesicle populations at different stages of maturation using confocal microscopy. There was an increase in the number of vacuoles per cell, which was partially explained by an increase in cell size. No changes in vesicle maturation or degradation capacities were determined by microscopy or Western blot assays. Also, we studied the internalization of various endophagocytic cargoes in senescent cells and observed only a decrease in the intracellular recovery of bacteria such as Staphylococcus aureus. Afterwards, we studied the intracellular traffic of S. aureus, and observed no differences in the infection between control and senescent cells. In addition we quantified the recovery of bacteria from control and senescent cells infected in the presence of several inhibitors of endophagosomal maturation, and no changes were observed. These results suggest that bacterial internalization is affected in senescent cells. Indeed, we confirmed this hypothesis by determining minor bacterial adherence and internalization by confocal microscopy. Furthermore, it is important to highlight that we found very similar results with cells from aged animals, specifically BMDMs. This alteration in senescent cells enlightens the diminished bacterial clearance and may be a factor that increases the propensity to suffer severe infectious conditions in the elderly.
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Affiliation(s)
- Esteban Robledo
- Instituto de Histología y Embriología (IHEM) “Dr. Mario H. Burgos” CONICET, Universidad Nacional de Cuyo Mendoza, Mendoza, Argentina
- Departamento Bases Científicas en Salud-Facultad de Ciencias Médicas, Facultad de Medicina, Biología Celular y Molecular, Universidad Nacional de Cuyo, Mendoza, Argentina
| | - Paula Guadalupe Benito Rodriguez
- Instituto de Histología y Embriología (IHEM) “Dr. Mario H. Burgos” CONICET, Universidad Nacional de Cuyo Mendoza, Mendoza, Argentina
| | - Israel Aníbal Vega
- Departamento de Biología, Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Cuyo, Mendoza, Argentina
| | - María Isabel Colombo
- Instituto de Histología y Embriología (IHEM) “Dr. Mario H. Burgos” CONICET, Universidad Nacional de Cuyo Mendoza, Mendoza, Argentina
- Departamento Bases Científicas en Salud-Facultad de Ciencias Médicas, Facultad de Medicina, Biología Celular y Molecular, Universidad Nacional de Cuyo, Mendoza, Argentina
| | - Milton Osmar Aguilera
- Departamento Bases Científicas en Salud-Facultad de Ciencias Médicas, Facultad de Medicina, Biología Celular y Molecular, Universidad Nacional de Cuyo, Mendoza, Argentina
- Facultad de Odontología, Microbiología, Parasitología e Inmunología, Universidad Nacional de Cuyo, Mendoza, Argentina
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Wang J, Jiang Y, Yang Y, Xu K, Wang X, Yang R, Xiao X, Sun H. Nanoparticulate impurities in the pharmaceutical excipient trehalose induce an early immune response. Eur J Pharm Biopharm 2023:S0939-6411(23)00164-9. [PMID: 37354998 DOI: 10.1016/j.ejpb.2023.06.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2023] [Revised: 04/05/2023] [Accepted: 06/19/2023] [Indexed: 06/26/2023]
Abstract
BACKGROUND Pharmaceutical excipients are an important part of biological products. However, few attempts have been made to distinguish between the risk of inflammation associated with the biological products themselves and that associated with excipients. The analysis of early immune response risk associated with excipients added to biological products is an important step in exploring the complex mechanism of side effects in susceptible patients. METHODS AND RESULTS In this study, nanoparticle impurities (NPIs) were extracted from trehalose and characterized. A mouse popliteal lymph node cell (PLNA) model, a mouse spleen lymphocyte model, a human peripheral blood mononuclear cell cytokine release model, and a macrophage complement activation model were established to comprehensively evaluate the early immune risk related to impurities in the trehalose excipient. Although popliteal lymph node cell counts in mice did not show significant differences, all other models indicated possible immune risk. In the PLNA model, NPIs caused significant toe thickening in mice, whereby the content of IgE and MCP-1 increased significantly. NPIs significantly increased the proliferation and differentiation of spleen lymphocytes according to the CCK-8 assay and flow cytometry. After treatment with NPIs, the release of IgE and a variety of cytokines (MIP-1α, IFN-γ, IL-2, IL-8, TNF-α, IL-6, IL-1α) in human peripheral blood cells was significantly increased according to ELISA, while a concomitant increase of C3a/C5a as well as C4a/Bb proved that NPIs activated the complement system. CONCLUSION NPIs from trehalose elicited an immune response in vitro, and the immune response to trehalose may be related to NPIs and not the excipient itself. Different batches of trehalose showed different immune response effects. The currents research suggests that when trehalose is applied in high-risk administration routes, NPIs should be assessed and reasonably controlled.
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Affiliation(s)
- Jue Wang
- National Institutes for Food and Drug Control, National Key Laboratory for Quality Control of Pharmaceutical Excipients, Beijing, China
| | - Ying Jiang
- Shanghai Medical Device and Cosmetics Evaluation and Verification Center, Shanghai, China
| | - Yang Yang
- National Institutes for Food and Drug Control, National Key Laboratory for Quality Control of Pharmaceutical Excipients, Beijing, China
| | - Kai Xu
- National Institutes for Food and Drug Control, National Key Laboratory for Quality Control of Pharmaceutical Excipients, Beijing, China
| | - Xiaofeng Wang
- National Institutes for Food and Drug Control, National Key Laboratory for Quality Control of Pharmaceutical Excipients, Beijing, China
| | - Rui Yang
- National Institutes for Food and Drug Control, National Key Laboratory for Quality Control of Pharmaceutical Excipients, Beijing, China
| | - Xinyue Xiao
- National Institutes for Food and Drug Control, National Key Laboratory for Quality Control of Pharmaceutical Excipients, Beijing, China
| | - Huimin Sun
- National Institutes for Food and Drug Control, National Key Laboratory for Quality Control of Pharmaceutical Excipients, Beijing, China.
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Liao X, Han Y, He Y, Liu J, Wang Y. Natural compounds targeting mitochondrial dysfunction: emerging therapeutics for target organ damage in hypertension. Front Pharmacol 2023; 14:1209890. [PMID: 37397478 PMCID: PMC10311420 DOI: 10.3389/fphar.2023.1209890] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Accepted: 06/08/2023] [Indexed: 07/04/2023] Open
Abstract
Hypertension generally causes target organ damage (TOD) in the heart, brain, kidney, and blood vessels. This can result in atherosclerosis, plaque formation, cardiovascular and cerebrovascular events, and renal failure. Recent studies have indicated that mitochondrial dysfunction is crucial in hypertensive target organ damage. Consequently, mitochondria-targeted therapies attract increasing attention. Natural compounds are valuable resources for drug discovery and development. Many studies have demonstrated that natural compounds can ameliorate mitochondrial dysfunction in hypertensive target organ damage. This review examines the contribution of mitochondrial dysfunction to the development of target organ damage in hypertension. Moreover, it summarizes therapeutic strategies based on natural compounds that target mitochondrial dysfunction, which may be beneficial for preventing and treating hypertensive target organ damage.
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Affiliation(s)
- Xiaolin Liao
- Institute of Innovation and Applied Research in Chinese Medicine, Hunan University of Chinese Medicine, Changsha, Hunan, China
| | - Yuanshan Han
- Scientific Research Department, The First Hospital of Hunan University of Chinese Medicine, Changsha, Hunan, China
| | - Ying He
- Institute of Innovation and Applied Research in Chinese Medicine, Hunan University of Chinese Medicine, Changsha, Hunan, China
| | - Jianjun Liu
- Institute of Innovation and Applied Research in Chinese Medicine, Hunan University of Chinese Medicine, Changsha, Hunan, China
| | - Yuhong Wang
- Institute of Innovation and Applied Research in Chinese Medicine, Hunan University of Chinese Medicine, Changsha, Hunan, China
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Liu Z, Wang T, Sun X, Nie M. Autophagy and apoptosis: regulatory factors of chondrocyte phenotype transition in osteoarthritis. Hum Cell 2023:10.1007/s13577-023-00926-2. [PMID: 37277675 DOI: 10.1007/s13577-023-00926-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Accepted: 05/25/2023] [Indexed: 06/07/2023]
Abstract
Osteoarthritis (OA) is the main pathogenic factor in diseases that cause joint deformities. As the main manifestation of the progress of OA, cartilage degradation has been closely associated with the degeneration of chondrocytes, which is induced by inflammatory factors and other trauma factors. Autophagy and apoptosis are the main mechanisms for cells to maintain homeostasis and play crucial roles in OA. Under the influence of external environmental factors (such as aging and injury), the metabolism of cells can be altered, which may affect the extent of autophagy and apoptosis. With the progression of OA, these changes can alter the cell phenotypes, and the cells of different phenotypes display distinct differences in morphology and function. In this review, we have summarized the alteration in cell metabolism, autophagy, and the extent of apoptosis during OA progression and its effects on the cell phenotypes to provide new ideas for further research on the mechanisms of phenotypic transition and therapeutic strategies so as to reverse the cell phenotypes.
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Affiliation(s)
- Zhibo Liu
- Center for Joint Surgery, Department of Orthopedic Surgery, The Second Affiliated Hospital of Chongqing Medical University, 76 Linjiang Road, Yuzhong District, Chongqing, People's Republic of China
| | - Ting Wang
- Center for Joint Surgery, Department of Orthopedic Surgery, The Second Affiliated Hospital of Chongqing Medical University, 76 Linjiang Road, Yuzhong District, Chongqing, People's Republic of China
| | - Xianding Sun
- Center for Joint Surgery, Department of Orthopedic Surgery, The Second Affiliated Hospital of Chongqing Medical University, 76 Linjiang Road, Yuzhong District, Chongqing, People's Republic of China.
| | - Mao Nie
- Center for Joint Surgery, Department of Orthopedic Surgery, The Second Affiliated Hospital of Chongqing Medical University, 76 Linjiang Road, Yuzhong District, Chongqing, People's Republic of China.
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Gu JY, Han F, Chen SY, Zhang Q. Research progress and hot spot analysis related to oxidative stress and osteoarthritis: a bibliometric analysis. BMC Musculoskelet Disord 2023; 24:411. [PMID: 37221510 DOI: 10.1186/s12891-023-06324-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Accepted: 03/14/2023] [Indexed: 05/25/2023] Open
Abstract
BACKGROUND Osteoarthritis, a common degenerative osteochondral disease, has a close relationship between its mechanism of occurrence and oxidative stress. However, there are relatively few relevant studies in this field, and a more mature research system has not yet been formed. METHODS By searching the Web of Science (WOS) database, we obtained 1 412 publications in the field of osteoarthritis and oxidative stress. The search results were then analyzed bibliometrically using Citespace and VOSviewer, including a study of publication trends in the field, analysis of core authors, analysis of countries and institutions with high contributions, analysis of core journals, and to identify research trends and hot spots in the field, we performed keyword clustering. RESULTS We collected 1 412 publications on the field of osteoarthritis and oxidative stress from 1998-2022. By analyzing the publication trends in the field, we noted an exponential increase in the number of publications per year since 2014. We then identified the core authors in the field (Blanco, Francisco J., Loeser, Richard F., Vaamonde-garcia, et.al) as well as the countries (China, USA, Italy et.al) and institutions (Xi An Jiao Tong Univ, Wenzhou Med Univ, Zhejiang Univ et.al). The OSTEOARTHRITIS AND CARTILAGE and INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES contain a large number of research papers in this field, and through keyword co-occurrence analysis, we counted 3 227 keywords appearing in the field of osteoarthritis and oxidative stress. These keywords were clustered into 9 groups, representing 9 different research hotspots. CONCLUSIONS Research in the field of osteoarthritis and oxidative stress has been developing since 1998 and is now maturing, but there is an urgent need to strengthen international academic exchanges and discuss the future focus of research development in the field of osteoarthritis and oxidative stress.
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Affiliation(s)
- Jin-Yu Gu
- Department of Orthopaedic, The Hospital of Wang Jing, China Academy of Chinese Medical Sciences, Huajiadi Street, Chao Yang District, Beijing, 100102, China
| | - Fei Han
- Department of Orthopaedic, The Hospital of Guang An Men, China Academy of Chinese Medical Sciences, Beixian Ge Street,Xicheng District, Beijing, 100053, China
| | - Si-Yu Chen
- Department of Orthopaedic, The Hospital of Guang An Men, China Academy of Chinese Medical Sciences, Beixian Ge Street,Xicheng District, Beijing, 100053, China
| | - Qing Zhang
- Department of Orthopaedic, The Hospital of Wang Jing, China Academy of Chinese Medical Sciences, Huajiadi Street, Chao Yang District, Beijing, 100102, China.
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Cheng X, Liang J, Wu D, Guo X, Cao H, Zhang C, Liu P, Hu R, Hu G, Zhuang Y. Blunting ROS/TRPML1 pathway protects AFB1-induced porcine intestinal epithelial cells apoptosis by restoring impaired autophagic flux. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 257:114942. [PMID: 37086622 DOI: 10.1016/j.ecoenv.2023.114942] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Revised: 04/14/2023] [Accepted: 04/18/2023] [Indexed: 05/03/2023]
Abstract
Aflatoxin B1 (AFB1) is a stable mycotoxin that contaminates animal feed on a large scale and causes severe damage to intestinal cells, induces inflammation and stimulates autophagy. Transient receptor potential mucolipin subfamily 1 (TRPML1) is a regulatory factor of autophagy, but the underlying mechanisms of TRPML1-mediated autophagy in AFB1 intestine toxicity remain elucidated. In the present study, AFB1 (0, 5, 10 μg/mL) was shown to reduce cell viability, increase reactive oxygen species (ROS) accumulation and apoptosis rate. Additionally, AFB1 caused structural damage to mitochondria and lysosomes and increased autophagosomes numbers. Furthermore, AFB1 promoted Ca2+ release by activating the TRPML1 channel, stimulated the expression of autophagy-related proteins, and induced autophagic flux blockade. Moreover, pharmacological inhibition of autophagosome formation by 3-methyladenine attenuated AFB1-induced apoptosis by downregulating the levels of TRPML1 and ROS, whereas blockade of autophagosome-lysosomal fusion by chloroquine alleviated AFB1-induced apoptosis by upregulating TRPML1 expression and exacerbating ROS accumulation. Intriguingly, blocking AFB1-induced autophagic flux generated ROS- and TRPML1-dependent cell death, as shown by the decreased apoptosis in the presence the free radical scavenger N-Acetyl-L-cysteine and the TRPML1 inhibitor ML-SI1. Overall, these results showed that AFB1 promoted apoptosis of IPEC-J2 cells by disrupting autophagic flux through activation of the ROS/TRPML1 pathway.
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Affiliation(s)
- Xinyi Cheng
- Jiangxi Provincial Key Laboratory for Animal Health, Institute of Animal Population Health, College of Animal Science and Technology, Jiangxi Agricultural University, No. 1101 Zhimin Avenue, Economic and Technological Development District, Nanchang 330045, Jiangxi, PR China
| | - Jiahua Liang
- Jiangxi Provincial Key Laboratory for Animal Health, Institute of Animal Population Health, College of Animal Science and Technology, Jiangxi Agricultural University, No. 1101 Zhimin Avenue, Economic and Technological Development District, Nanchang 330045, Jiangxi, PR China
| | - Dan Wu
- Jiangxi Provincial Key Laboratory for Animal Health, Institute of Animal Population Health, College of Animal Science and Technology, Jiangxi Agricultural University, No. 1101 Zhimin Avenue, Economic and Technological Development District, Nanchang 330045, Jiangxi, PR China
| | - Xiaoquan Guo
- Jiangxi Provincial Key Laboratory for Animal Health, Institute of Animal Population Health, College of Animal Science and Technology, Jiangxi Agricultural University, No. 1101 Zhimin Avenue, Economic and Technological Development District, Nanchang 330045, Jiangxi, PR China
| | - Huabin Cao
- Jiangxi Provincial Key Laboratory for Animal Health, Institute of Animal Population Health, College of Animal Science and Technology, Jiangxi Agricultural University, No. 1101 Zhimin Avenue, Economic and Technological Development District, Nanchang 330045, Jiangxi, PR China
| | - Caiying Zhang
- Jiangxi Provincial Key Laboratory for Animal Health, Institute of Animal Population Health, College of Animal Science and Technology, Jiangxi Agricultural University, No. 1101 Zhimin Avenue, Economic and Technological Development District, Nanchang 330045, Jiangxi, PR China
| | - Ping Liu
- Jiangxi Provincial Key Laboratory for Animal Health, Institute of Animal Population Health, College of Animal Science and Technology, Jiangxi Agricultural University, No. 1101 Zhimin Avenue, Economic and Technological Development District, Nanchang 330045, Jiangxi, PR China
| | - Ruiming Hu
- Jiangxi Provincial Key Laboratory for Animal Health, Institute of Animal Population Health, College of Animal Science and Technology, Jiangxi Agricultural University, No. 1101 Zhimin Avenue, Economic and Technological Development District, Nanchang 330045, Jiangxi, PR China
| | - Guoliang Hu
- Jiangxi Provincial Key Laboratory for Animal Health, Institute of Animal Population Health, College of Animal Science and Technology, Jiangxi Agricultural University, No. 1101 Zhimin Avenue, Economic and Technological Development District, Nanchang 330045, Jiangxi, PR China.
| | - Yu Zhuang
- Jiangxi Provincial Key Laboratory for Animal Health, Institute of Animal Population Health, College of Animal Science and Technology, Jiangxi Agricultural University, No. 1101 Zhimin Avenue, Economic and Technological Development District, Nanchang 330045, Jiangxi, PR China.
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Yang G, Liu X, Jing X, Wang J, Wang H, Chen F, Wang W, Shao Y, Cui X. Astaxanthin suppresses oxidative stress and calcification in vertebral cartilage endplate via activating Nrf-2/HO-1 signaling pathway. Int Immunopharmacol 2023; 119:110159. [PMID: 37054647 DOI: 10.1016/j.intimp.2023.110159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Revised: 03/30/2023] [Accepted: 04/04/2023] [Indexed: 04/15/2023]
Abstract
BACKGROUND Cartilage endplate (CEP) degeneration is an important initiating factor leading to intervertebral disc degeneration (IVDD). Astaxanthin (Ast) is a natural lipid-soluble and red-orange carotenoid which possesses various biological activities, including antioxidant, anti-inflammatory, and anti-aging effects in multiple organisms. However, the effects and mechanism of Ast on endplate chondrocytes remain largely unknown. The objective of the current study was to investigate the effects and of Ast on CEP degeneration and its underlying molecular mechanisms. METHODS Tert-butyl hydroperoxide (TBHP) was used to mimic the IVDD pathological environment. We investigated the effects of Ast on the Nrf2 signaling pathway and damage-associated events. The IVDD model was constructed by surgical resection of L4 posterior elements to explore the role of Ast in vivo. RESULTS We found that the activation of the Nrf-2/HO-1 signaling pathway was enhanced by Ast, thus promoted mitophagy process, inhibited oxidative stress and CEP chondrocytes ferroptosis, eventually ameliorated extracellular matrix (ECM) degradation, CEP calcification and endplate chondrocytes apoptosis. Knockdown of Nrf-2 using siRNA inhibited Ast induced mitophagy process and its protective effect. Moreover, Ast inhibited oxidative stimulation-induced NF-κB activity and could ameliorate the inflammation response. The results also were confirmed by experiments in vivo, Ast alleviated IVDD development and CEP calcification. CONCLUSIONS Ast could protect vertebral cartilage endplate against oxidative stress and degeneration via activating Nrf-2/HO-1 pathway. Our results imply that Ast may serve as a potential therapeutic agent for IVDD progression and treatment.
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Affiliation(s)
- Guihe Yang
- Department of Spine Surgery, Shandong Provincial Hospital, Shandong University, Jinan 250000, China.
| | - Xiaoyang Liu
- Department of Spine Surgery, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan 250000, China.
| | - Xingzhi Jing
- Department of Spine Surgery, Shandong Provincial Hospital, Shandong University, Jinan 250000, China.
| | - Jinjin Wang
- Department of Spine Surgery, Shandong Provincial Hospital, Shandong University, Jinan 250000, China.
| | - Heran Wang
- Department of Spine Surgery, Shandong Provincial Hospital, Shandong University, Jinan 250000, China.
| | - Feifei Chen
- Department of Spine Surgery, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan 250000, China.
| | - Wenchao Wang
- Department of Spine Surgery, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan 250000, China.
| | - Yuandong Shao
- Department of Spine Surgery, Shandong Provincial Hospital, Shandong University, Jinan 250000, China; Department of Spine Surgery, Binzhou People's Hospital, Binzhou 256600, China.
| | - Xingang Cui
- Department of Spine Surgery, Shandong Provincial Hospital, Shandong University, Jinan 250000, China.
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Farsi RM. The Role of Mitochondrial Dysfunction in Alzheimer's: Molecular Defects and Mitophagy-Enhancing Approaches. Life (Basel) 2023; 13:life13040970. [PMID: 37109499 PMCID: PMC10142261 DOI: 10.3390/life13040970] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2023] [Revised: 04/01/2023] [Accepted: 04/05/2023] [Indexed: 04/29/2023] Open
Abstract
Alzheimer's disease (AD), a progressive and chronic neurodegenerative syndrome, is categorized by cognitive and memory damage caused by the aggregations of abnormal proteins, specifically including Tau proteins and β-amyloid in brain tissue. Moreover, mitochondrial dysfunctions are the principal causes of AD, which is associated with mitophagy impairment. Investigations exploring pharmacological therapies alongside AD have explicitly concentrated on molecules accomplished in preventing/abolishing the gatherings of the abovementioned proteins and mitochondria damages. Mitophagy is the removal of dead mitochondria by the autophagy process. Damages in mitophagy, the manner of diversified mitochondrial degeneracy by autophagy resulting in an ongoing aggregation of malfunctioning mitochondria, were also suggested to support AD. Recently, plentiful reports have suggested a link between defective mitophagy and AD. This treaty highlights updated outlines of modern innovations and developments on mitophagy machinery dysfunctions in AD brains. Moreover, therapeutic and nanotherapeutic strategies targeting mitochondrial dysfunction are also presented in this review. Based on the significant role of diminished mitophagy in AD, we suggest that the application of different therapeutic approaches aimed at stimulating mitophagy in AD would be beneficial for targeting or reducing the mitochondrial dysfunction induced by AD.
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Affiliation(s)
- Reem M Farsi
- Department of Biological Sciences, Faculty of Science, King Abdulaziz University, Jeddah 21462, Saudi Arabia
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Zhang D, Zhang Y, Wang Z, Lei L. Thymoquinone attenuates hepatic lipid accumulation by inducing autophagy via AMPK/mTOR/ULK1-dependent pathway in nonalcoholic fatty liver disease. Phytother Res 2023; 37:781-797. [PMID: 36479746 DOI: 10.1002/ptr.7662] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2022] [Revised: 09/09/2022] [Accepted: 09/15/2022] [Indexed: 12/12/2022]
Abstract
Thymoquinone (TQ) has been proved to exert wide-ranging pharmacological activities, with anti-inflammatory, antioxidant, anticonvulsant, antimicrobial, anti-tumor, and antidiabetic properties. In this study, we investigated the beneficial effects of TQ on a high-fat diet (HFD)-induced nonalcoholic fatty liver disease (NAFLD) in C57BL/6 N mice in vivo and free fatty acid (FFA)-induced human hepatocellular carcinoma HepG2 cells in vitro. Further, the underlying mechanisms of TQ to promote hepatic autophagy were also discovered. Data showed that TQ caused (p < 0.01) body weight reduction, improved glucose homeostasis, alleviated hepatosteatosis, and decreased hepatic lipid accumulation related to the induction of autophagy in HFD-fed mice. In vitro, TQ obviously increased (p < 0.01) autophagic flux in FFA-induced HepG2 cells and consequently reduced the lipid accumulation in combination with activation of AMPK/mTOR/ULK1 signaling pathways. Moreover, pharmacological inhibition of the AMPK pathway by addition with AMPK inhibitor Compound C (CC) or silence of ULK1 by transfection with siRNA(ULK1) into HepG2 cells reversed these beneficial effects of TQ on triggering hepatic autophagy and reducing lipid accumulation (p < 0.01). Taken together, these results suggested that TQ alleviated hepatic lipid accumulation by triggering autophagy through the AMPK/mTOR/ULK1-dependent signaling pathway. Our study supports a potential role for TQ in ameliorating NAFLD.
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Affiliation(s)
- Di Zhang
- Department of Gastroenterology and Hepatology, Sichuan Provincial People's Hospital, Chinese Academy of Sciences Sichuan Translational Medicine Research Hospital, Chengdu, China
| | - Yinghui Zhang
- Department of Gastroenterology and Hepatology, Sichuan Provincial People's Hospital, Chinese Academy of Sciences Sichuan Translational Medicine Research Hospital, Chengdu, China
| | - Zhilan Wang
- Department of Gastroenterology and Hepatology, Sichuan Provincial People's Hospital, Chinese Academy of Sciences Sichuan Translational Medicine Research Hospital, Chengdu, China
| | - Lei Lei
- Department of Gastroenterology and Hepatology, Sichuan Provincial People's Hospital, Chinese Academy of Sciences Sichuan Translational Medicine Research Hospital, Chengdu, China
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Liao S, Zheng Q, Shen H, Yang G, Xu Y, Zhang X, Ouyang H, Pan Z. HECTD1-Mediated Ubiquitination and Degradation of Rubicon Regulates Autophagy and Osteoarthritis Pathogenesis. Arthritis Rheumatol 2023; 75:387-400. [PMID: 36121967 DOI: 10.1002/art.42369] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2021] [Revised: 08/07/2022] [Accepted: 09/13/2022] [Indexed: 01/26/2023]
Abstract
OBJECTIVE Osteoarthritis (OA) is one of the most common degenerative joint diseases and is associated with autophagy suppression. However, the molecular mechanism of autophagy regulation in the context of OA is not fully understood. In this study, we sought to determine the role that HECTD1 plays in the pathogenesis of OA. METHODS We used RNA sequencing analysis to explore the differential expression of E3 ubiquitin ligase genes in healthy human cartilage and human cartilage affected by OA. Using surgery- and aging-induced OA mouse models, we comprehensively analyzed the function of the screened gene Hectd1 in the development of OA; furthermore, we dissected the mechanism by which HECTD1 regulates autophagy and OA progression using a combination of molecular biologic, cell biologic, and biochemical approaches. RESULTS HECTD1 was significantly down-regulated in human OA cartilage samples compared to healthy cartilage samples. Overexpression of HECTD1 in mouse joints alleviated OA pathogenesis, whereas conditional depletion of Hectd1 in cartilage samples aggravated surgery- and aging-induced OA pathogenesis. Mechanistically, HECTD1 bound to Rubicon and ubiquitinated Rubicon at lysine residue 534, which targets Rubicon for proteasomal degradation. More importantly, HECTD1-mediated Rubicon degradation regulated chondrocyte autophagy, leading to mitigation of stress-induced chondrocyte death and the subsequent progression of OA. CONCLUSION HECTD1 plays a crucial role in the pathogenesis of OA, in that HECTD1 regulates chondrocyte autophagy by ubiquitinating and targeting Rubicon for proteasomal degradation.
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Affiliation(s)
- Shiyao Liao
- Dr. Li Dak Sum & Yip Yio Chin Center for Stem Cells and Regenerative Medicine, and Department of Orthopedic Surgery of the Second Affiliated Hospital, Zhejiang University, Zhejiang, China, and Department of Orthopedic Surgery, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, Hangzhou, China
| | - Qiangqiang Zheng
- Dr. Li Dak Sum & Yip Yio Chin Center for Stem Cells and Regenerative Medicine, and Department of Orthopedic Surgery of the Second Affiliated Hospital, Zhejiang University, Zhejiang, China
| | - Haotian Shen
- Dr. Li Dak Sum & Yip Yio Chin Center for Stem Cells and Regenerative Medicine, and Department of Orthopedic Surgery of the Second Affiliated Hospital, Zhejiang University, Zhejiang China, and Department of Orthopedic Surgery, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Guang Yang
- Dr. Li Dak Sum & Yip Yio Chin Center for Stem Cells and Regenerative Medicine, and Department of Orthopedic Surgery of the Second Affiliated Hospital, Zhejiang University, Zhejiang, China
| | - Yuzi Xu
- Department of Oral Implantology and Prosthodontics, The Affiliated Stomatology Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Xiaolei Zhang
- Department of Orthopedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China
| | - Hongwei Ouyang
- Dr. Li Dak Sum & Yip Yio Chin Center for Stem Cells and Regenerative Medicine, and Department of Orthopedic Surgery of the Second Affiliated Hospital, Zhejiang University, Zhejiang, China
| | - Zongyou Pan
- Dr. Li Dak Sum & Yip Yio Chin Center for Stem Cells and Regenerative Medicine, and Department of Orthopedic Surgery of the Second Affiliated Hospital, Zhejiang University, Zhejiang, China
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Gong Y, Li S, Wu J, Zhang T, Fang S, Feng D, Luo X, Yuan J, Wu Y, Yan X, Zhang Y, Zhu J, Wu J, Lian J, Xiang W, Ni Z. Autophagy in the pathogenesis and therapeutic potential of post-traumatic osteoarthritis. BURNS & TRAUMA 2023; 11:tkac060. [PMID: 36733467 PMCID: PMC9887948 DOI: 10.1093/burnst/tkac060] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Revised: 11/29/2022] [Indexed: 02/04/2023]
Abstract
Autophagy, as a fundamental mechanism for cellular homeostasis, is generally involved in the occurrence and progression of various diseases. Osteoarthritis (OA) is the most common musculoskeletal disease that often leads to pain, disability and economic loss in patients. Post-traumatic OA (PTOA) is a subtype of OA, accounting for >12% of the overall burden of OA. PTOA is often caused by joint injuries including anterior cruciate ligament rupture, meniscus tear and intra-articular fracture. Although a variety of methods have been developed to treat acute joint injury, the current measures have limited success in effectively reducing the incidence and delaying the progression of PTOA. Therefore, the pathogenesis and intervention strategy of PTOA need further study. In the past decade, the roles and mechanisms of autophagy in PTOA have aroused great interest in the field. It was revealed that autophagy could maintain the homeostasis of chondrocytes, reduce joint inflammatory level, prevent chondrocyte death and matrix degradation, which accordingly improved joint symptoms and delayed the progression of PTOA. Moreover, many strategies that target PTOA have been revealed to promote autophagy. In this review, we summarize the roles and mechanisms of autophagy in PTOA and the current strategies for PTOA treatment that depend on autophagy regulation, which may be beneficial for PTOA patients in the future.
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Affiliation(s)
| | | | | | - Tongyi Zhang
- State Key Laboratory of Trauma, Burns and Combined Injury, Department of Rehabilitation Medicine, Daping Hospital, Army Medical University, Changjiang Street, Yuzhong District, Chongqing 400042, China,Department of General practice, Chinese PLA General Hospital of the Central Theater Command, Wuluo Street, Wuchang District, Wuhan 430000, China
| | - Shunzheng Fang
- State Key Laboratory of Trauma, Burns and Combined Injury, Department of Rehabilitation Medicine, Daping Hospital, Army Medical University, Changjiang Street, Yuzhong District, Chongqing 400042, China
| | - Daibo Feng
- State Key Laboratory of Trauma, Burns and Combined Injury, Department of Rehabilitation Medicine, Daping Hospital, Army Medical University, Changjiang Street, Yuzhong District, Chongqing 400042, China
| | - Xiaoqing Luo
- Department of Wound Repair and Rehabilitation Medicine, Center of Bone Metabolism and Repair, Laboratory for Prevention and Rehabilitation of Training Injuries, State Key Laboratory of Trauma, Burns and Combined Injury, Trauma Center, Research Institute of Surgery, Daping Hospital, Army Medical University, Changjiang Street, Yuzhong District, Chongqing 400042, China
| | - Jing Yuan
- Department of Biochemistry and Molecular Biology, College of Basic Medical Sciences, Army Medical University, Gantaoyan Street, Shapinba District, Chongqing 400038, China
| | - Yaran Wu
- Department of Clinical Biochemistry, Faculty of Pharmacy and Laboratory Medicine, Army Medical University, Gantaoyan Street, Shapinba District, Chongqing 400038, China
| | - Xiaojing Yan
- Department of Clinical Biochemistry, Faculty of Pharmacy and Laboratory Medicine, Army Medical University, Gantaoyan Street, Shapinba District, Chongqing 400038, China
| | - Yan Zhang
- Department of Pediatrics, People's Hospital Affiliated to Chongqing Three Gorges Medical College, Guoben Street, Wanzhou district, Chongqing 404000, China
| | - Jun Zhu
- Department of Cardiology, Shanghai Hospital, Shanghai Street, Wanzhou District, Chongqing 404000, China
| | - Jiangyi Wu
- Department of Sports Medicine and Rehabilitation, Shenzhen Hospital, Peking University, Lianhua Street, Futian District, Shenzhen 518034, China
| | - Jiqin Lian
- Correspondence. Zhenghong Ni, ; Wei Xiang, ; Jiqin Lian,
| | - Wei Xiang
- Correspondence. Zhenghong Ni, ; Wei Xiang, ; Jiqin Lian,
| | - Zhenhong Ni
- Correspondence. Zhenghong Ni, ; Wei Xiang, ; Jiqin Lian,
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Zhang L, Guo K, Tian Q, Ye J, Ding Z, Zhou Q, Li X, Zhou Z, Yang L. Serum Metabolomics Reveals a Potential Benefit of Methionine in Type 1 Diabetes Patients with Poor Glycemic Control and High Glycemic Variability. Nutrients 2023; 15:nu15030518. [PMID: 36771224 PMCID: PMC9921163 DOI: 10.3390/nu15030518] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 01/12/2023] [Accepted: 01/17/2023] [Indexed: 01/21/2023] Open
Abstract
Glycemic variability (GV) in some patients with type 1 diabetes (T1D) remains heterogeneous despite comparable clinical indicators, and whether other factors are involved is yet unknown. Metabolites in the serum indicate a broad effect of GV on cellular metabolism and therefore are more likely to indicate metabolic dysregulation associated with T1D. To compare the metabolomic profiles between high GV (GV-H, coefficient of variation (CV) of glucose ≥ 36%) and low GV (GV-L, CV < 36%) groups and to identify potential GV biomarkers, metabolomics profiling was carried out on serum samples from 17 patients with high GV, 16 matched (for age, sex, body mass index (BMI), diabetes duration, insulin dose, glycated hemoglobin (HbA1c), fasting, and 2 h postprandial C-peptide) patients with low GV (exploratory set), and another 21 (GV-H/GV-L: 11/10) matched patients (validation set). Subsequently, 25 metabolites were significantly enriched in seven Kyoto Encyclopedia of Genes and Genomes (KEGG) pathways between the GV-H and GV-L groups in the exploratory set. Only the differences in spermidine, L-methionine, and trehalose remained significant after validation. The area under the curve of these three metabolites combined in distinguishing GV-H from GV-L was 0.952 and 0.918 in the exploratory and validation sets, respectively. L-methionine was significantly inversely related to HbA1c and glucose CV, while spermidine was significantly positively associated with glucose CV. Differences in trehalose were not as reliable as those in spermidine and L-methionine because of the relatively low amounts of trehalose and the inconsistent fold change sizes in the exploratory and validation sets. Our findings suggest that metabolomic disturbances may impact the GV of T1D. Additional in vitro and in vivo mechanistic studies are required to elucidate the relationship between spermidine and L-methionine levels and GV in T1D patients with different geographical and nutritional backgrounds.
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Affiliation(s)
| | | | | | | | | | | | | | | | - Lin Yang
- Correspondence: ; Tel.: +86-731-8529-2154
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Mitophagy in Alzheimer's disease: Molecular defects and therapeutic approaches. Mol Psychiatry 2023; 28:202-216. [PMID: 35665766 PMCID: PMC9812780 DOI: 10.1038/s41380-022-01631-6] [Citation(s) in RCA: 64] [Impact Index Per Article: 64.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Revised: 05/08/2022] [Accepted: 05/12/2022] [Indexed: 01/09/2023]
Abstract
Mitochondrial dysfunctions are central players in Alzheimer's disease (AD). In addition, impairments in mitophagy, the process of selective mitochondrial degradation by autophagy leading to a gradual accumulation of defective mitochondria, have also been reported to occur in AD. We provide an updated overview of the recent discoveries and advancements on mitophagic molecular dysfunctions in AD-derived fluids and cells as well as in AD brains. We discuss studies using AD cellular and animal models that have unraveled the contribution of relevant AD-related proteins (Tau, Aβ, APP-derived fragments and APOE) in mitophagy failure. In accordance with the important role of impaired mitophagy in AD, we report on various therapeutic strategies aiming at stimulating mitophagy in AD and we summarize the benefits of these potential therapeutic strategies in human clinical trials.
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Gholami D, Sharafi M, Esmaeili V, Nadri T, Alaei L, Riazi G, Shahverdi A. Beneficial effects of trehalose and gentiobiose on human sperm cryopreservation. PLoS One 2023; 18:e0271210. [PMID: 37053285 PMCID: PMC10101468 DOI: 10.1371/journal.pone.0271210] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2022] [Accepted: 06/25/2022] [Indexed: 04/15/2023] Open
Abstract
The protection of human sperm during cryopreservation is of great importance to infertility. Recent studies have shown that this area is still a long way from its ultimate aim of maintaining the maximum viability of sperm in cryopreservation. The present study used trehalose and gentiobiose to prepare the human sperm freezing medium during the freezing-thawing. The freezing medium of sperm was prepared with these sugars, and the sperm were then cryopreserved. The viable cells, sperm motility parameters, sperm morphology, membrane integrity, apoptosis, acrosome integrity, DNA fragmentation, mitochondrial membrane potential, reactive oxygen radicals, and malondialdehyde concentration was evaluated using standard protocols. A higher percentage of the total and progressive motility, rate of viable sperm, cell membrane integrity, DNA and acrosome integrity, and mitochondrial membrane potential were observed in the two frozen treatment groups compared to the frozen control. The cells had less abnormal morphology due to treatment with the new freezing medium than the frozen control. The higher malondialdehyde and DNA fragmentation were significantly observed in the two frozen treatment groups than in the frozen control. According to the results of this study, the use of trehalose and gentiobiose in the sperm freezing medium is a suitable strategy for sperm freezing to improve its motion and cellular parameters.
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Affiliation(s)
- Dariush Gholami
- Institute of Biochemistry and Biophysics (IBB), University of Tehran, Tehran, Iran
- Faculty of Biotechnology, Amol University of Special Modern Technologies, Amol, Iran
- Department of Embryology at Reproduction Biomedicine Research Center, Royan Institute for Reproductive Biomedicine, ACER, Tehran, Iran
| | - Mohsen Sharafi
- Department of Poultry Science, Faculty of Agriculture, Tarbiat Modares University, Tehran, Iran
| | - Vahid Esmaeili
- Department of Embryology at Reproduction Biomedicine Research Center, Royan Institute for Reproductive Biomedicine, ACER, Tehran, Iran
| | - Touba Nadri
- Department of Animal Science, Faculty of Agriculture, Urmia University, Urmia, Iran
| | - Loghman Alaei
- Department of Biological Science, Faculty of Science, University of Kurdistan, Sanandaj, Iran
| | - Gholamhossein Riazi
- Institute of Biochemistry and Biophysics (IBB), University of Tehran, Tehran, Iran
| | - Abdolhossein Shahverdi
- Department of Embryology at Reproduction Biomedicine Research Center, Royan Institute for Reproductive Biomedicine, ACER, Tehran, Iran
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Lv X, Zhao T, Dai Y, Shi M, Huang X, Wei Y, Shen J, Zhang X, Xie Z, Wang Q, Li Z, Qin D. New insights into the interplay between autophagy and cartilage degeneration in osteoarthritis. Front Cell Dev Biol 2022; 10:1089668. [PMID: 36544901 PMCID: PMC9760856 DOI: 10.3389/fcell.2022.1089668] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Accepted: 11/28/2022] [Indexed: 12/12/2022] Open
Abstract
Autophagy is an intracellular degradation system that maintains the stable state of cell energy metabolism. Some recent findings have indicated that autophagy dysfunction is an important driving factor for the occurrence and development of osteoarthritis (OA). The decrease of autophagy leads to the accumulation of damaged organelles and macromolecules in chondrocytes, which affects the survival of chondrocytes and ultimately leads to OA. An appropriate level of autophagic activation may be a new method to prevent articular cartilage degeneration in OA. This minireview discussed the mechanism of autophagy and OA, key autophagy targets regulating OA progression, and evaluated therapeutic applications of drugs targeting autophagy in preclinical and clinical research. Some critical issues worth paying attention to were also raised to guide future research efforts.
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Affiliation(s)
- Xiaoman Lv
- School of Basic Medical Sciences, Yunnan University of Chinese Medicine, Kunming, China
| | - Ting Zhao
- The First School of Clinical Medicine, Yunnan University of Chinese Medicine, Kunming, China
| | - Youwu Dai
- School of Basic Medical Sciences, Yunnan University of Chinese Medicine, Kunming, China
| | - Mingqin Shi
- School of Basic Medical Sciences, Yunnan University of Chinese Medicine, Kunming, China
| | - Xiaoyi Huang
- School of Basic Medical Sciences, Yunnan University of Chinese Medicine, Kunming, China
| | - Yuanyuan Wei
- School of Basic Medical Sciences, Yunnan University of Chinese Medicine, Kunming, China
| | - Jiayan Shen
- The First School of Clinical Medicine, Yunnan University of Chinese Medicine, Kunming, China
| | - Xiaoyu Zhang
- The First School of Clinical Medicine, Yunnan University of Chinese Medicine, Kunming, China
| | - Zhaohu Xie
- School of Basic Medical Sciences, Yunnan University of Chinese Medicine, Kunming, China
| | - Qi Wang
- The First School of Clinical Medicine, Yunnan University of Chinese Medicine, Kunming, China,*Correspondence: Qi Wang, ; Zhaofu Li, ; Dongdong Qin,
| | - Zhaofu Li
- School of Basic Medical Sciences, Yunnan University of Chinese Medicine, Kunming, China,*Correspondence: Qi Wang, ; Zhaofu Li, ; Dongdong Qin,
| | - Dongdong Qin
- School of Basic Medical Sciences, Yunnan University of Chinese Medicine, Kunming, China,*Correspondence: Qi Wang, ; Zhaofu Li, ; Dongdong Qin,
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