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Li Y, Ye Y, Zhu X, Liu X, Li X, Zhao Y, Che X. Transcriptomic analysis reveals nanoplastics-induced apoptosis, autophagy and immune response in Litopenaeus vannamei. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 946:174360. [PMID: 38960190 DOI: 10.1016/j.scitotenv.2024.174360] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/25/2024] [Revised: 06/24/2024] [Accepted: 06/27/2024] [Indexed: 07/05/2024]
Abstract
Increasing attention is being paid to the toxic physiological effects of nanoplastics (NPs) on aquatic organisms. However, few studies have systematically evaluated the regulatory mechanisms of NPs on immune response in crustaceans. In this study, a 28-day chronic exposure experiment was conducted in which shrimps were exposed to various 80-nm polystyrene NPs concentrations (0, 0.1, 1, 5 and 10 mg/L). Transcriptomic analysis was used to investigate the regulatory mechanisms of NPs in immune response of Litopenaeus vannamei. With increasing NPs concentration, the total hemocyte count (THC) content decreased, while phagocytosis rate (PR) and respiratory burst (RB) showed trends of first rising and then falling. High concentration (10 mg/L) of NPs caused the destruction of hepatopancreas tissue structure, the shedding of microvilli, the increase number of hepatocyte apoptosis and autophagy structure. With increasing NPs concentration, the lysozyme (Lys), superoxide dismutase (SOD) and glutathione peroxidase (GPx) activities first increased and then decrease, while contents of lipid peroxidation and malondialdehyde increased; the expression levels of Toll, MyD88, GPx, SOD, proPO, Lys, and ALF generally increased at first and then decreased. Transcriptional sequencing analysis showed that the pathway of differentially expressed genes in KEGG enrichment mainly included lysosome (ko04142), apoptosis (ko04210) pathways, indicating that the NPs mainly affected the immune regulatory mechanism. Further analysis by Gene Set Enrichment Analysis (GSEA) showed that the up-regulation pathways of NPs activation mainly included immune response-related pathways such as mitochondrial autophagy, DNA repair, autophagosomes signaling pathway. Our results indicated that NPs exposure induced oxidative stress, apoptosis and autophagy in shrimps. This study provides a basis for further understanding of the mechanisms of antioxidant immune regulation by NPs in shrimp and may serve as a reference for healthy ecological culture of shrimp.
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Affiliation(s)
- Yiming Li
- Fishery Machinery and Instrument Research Institute, Chinese Academy of Fisheries Sciences, Shanghai 200092, China
| | - Yucong Ye
- School of Life Science, East China Normal University, Shanghai 200241, China
| | - Xiaoyi Zhu
- School of Life Science, East China Normal University, Shanghai 200241, China
| | - Xingguo Liu
- Fishery Machinery and Instrument Research Institute, Chinese Academy of Fisheries Sciences, Shanghai 200092, China
| | - Xinfeng Li
- Fishery Machinery and Instrument Research Institute, Chinese Academy of Fisheries Sciences, Shanghai 200092, China
| | - Yunlong Zhao
- School of Life Science, East China Normal University, Shanghai 200241, China.
| | - Xuan Che
- Fishery Machinery and Instrument Research Institute, Chinese Academy of Fisheries Sciences, Shanghai 200092, China.
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Wang J, Chen Y, Yuan H, Zhang X, Febbraio M, Pan Y, Huang S, Liu Z. Mitochondrial biogenesis disorder and oxidative damage promote refractory apical periodontitis in rat and human. Int Endod J 2024; 57:1326-1342. [PMID: 38881187 DOI: 10.1111/iej.14106] [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: 12/07/2023] [Revised: 05/20/2024] [Accepted: 05/24/2024] [Indexed: 06/18/2024]
Abstract
AIM To elucidate whether mitochondrial biogenesis disorder and damage from oxidative stress promote refractory apical periodontitis (RAP) in rat and human. METHODOLOGY Twenty Enterococcus faecalis-induced RAPs were established in the maxillary first molars of male Wistar rats. Concurrently, 12 periapical lesion specimens from patients presenting with RAP were obtained by apicoectomy. Radiographic examination and histologic analysis were conducted to evaluate periapical bone tissue destruction and morphological changes. The expression of key regulators of mitochondrial biogenesis, PGC-1α and Nrf2, were detected by immunohistochemistry and double immunofluorescence staining, Western blot and real-time PCR were also assayed. Mitochondrial ROS (mtROS) was identified by MitoSOX staining. Mitochondrial function was detected by the quantification of ATP production, mitochondrial DNA (mtDNA) copy number and activities of mitochondrial respiratory chain complexes. Furthermore, mitochondrial oxidative stress was evaluated by the determination of 3-nitrotyrosine (3-NT), 4-hydroxy-2-nonenal (4-HNE) and 8-hydroxy-deoxyguanosine (8-OHdG) expression levels, as well as malondialdehyde (MDA) expression and antioxidant capacity. Student's t-test was performed to determine significance between the groups; p < .05 was considered significant. RESULTS In the maxilla, significantly more bone resorption, greater number of periapical apoptotic cells and Tartrate-resistant acid phosphatase (TRAP)-positive multinucleated cells were observed in the RAP group compared with the control group (p < .01). PGC-1α and Nrf2 were significantly reduced in rat and human RAP lesions compared to the control group (p < .01) at both the mRNA and protein levels. Double immunofluorescence analysis of PGC-1α or Nrf2 with TOMM20 also indicated that mitochondrial biogenesis was impaired in RAP group (p < .01). Additionally, mitochondrial dysfunction was observed in RAP group, as reflected by increased mtROS, decreased ATP production, reduced mtDNA copy number and complexes of the mitochondrial respiratory chain. Finally, the expression levels of mitochondrial oxidative stress markers, 3-NT, 4-HNE and 8-OHdG, were significantly increased in the RAP group (p < .01). Consistent with this, systemic oxidative damage was also present in the progression of RAP, including increased MDA expression and decreased antioxidant activity (p < .01). CONCLUSIONS Mitochondrial biogenesis disorder and damage from oxidative stress contribute to the development of RAP.
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Affiliation(s)
- Jun Wang
- School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou, China
- Department of Prosthodontics, School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou, China
| | - Yuge Chen
- School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou, China
- Department of Dentistry, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, Canada
| | - Huina Yuan
- School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou, China
- Department of Orthodontics, School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou, China
| | - Xuejia Zhang
- School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou, China
- Department of Dentistry, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, Canada
| | - Maria Febbraio
- Department of Dentistry, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, Canada
| | - Yihuai Pan
- School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou, China
- Department of Endodontics, School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou, China
| | - Shengbin Huang
- School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou, China
- Department of Prosthodontics, School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou, China
| | - Zhongfang Liu
- School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou, China
- Department of Endodontics, School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou, China
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Lin X, Wang H, Zou L, Yang B, Chen W, Rong X, Zhang X, He L, Li X, Peng Y. The NRF2 activator RTA-408 ameliorates chronic alcohol exposure-induced cognitive impairment and NLRP3 inflammasome activation by modulating impaired mitophagy initiation. Free Radic Biol Med 2024; 220:15-27. [PMID: 38679301 DOI: 10.1016/j.freeradbiomed.2024.04.236] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/13/2024] [Revised: 04/23/2024] [Accepted: 04/24/2024] [Indexed: 05/01/2024]
Abstract
BACKGROUND Chronic alcohol exposure induces cognitive impairment and NLRP3 inflammasome activation in the mPFC (medial prefrontal cortex). Mitophagy plays a crucial role in neuroinflammation, and dysregulated mitophagy is associated with behavioral deficits. However, the potential relationships among mitophagy, inflammation, and cognitive impairment in the context of alcohol exposure have not yet been studied. NRF2 promotes the process of mitophagy, while alcohol inhibits NRF2 expression. Whether NRF2 activation can ameliorate defective mitophagy and neuroinflammation in the presence of alcohol remains unknown. METHODS BV2 cells and primary microglia were treated with alcohol. C57BL/6J mice were repeatedly administered alcohol intragastrically. BNIP3-siRNA, PINK1-siRNA, CCCP and bafilomycin A1 were used to regulate mitophagy in BV2 cells. RTA-408 acted as an NRF2 activator. Mitochondrial dysfunction, mitophagy and NLRP3 inflammasome activation were assayed. Behavioral tests were used to assess cognition. RESULTS Chronic alcohol exposure impaired the initiation of both receptor-mediated mitophagy and PINK1-mediated mitophagy in the mPFC and in vitro microglial cells. Silencing BNIP3 or PINK1 induced mitochondrial dysfunction and aggravated alcohol-induced NLRP3 inflammasome activation in BV2 cells. In addition, alcohol exposure inhibited the NRF2 expression both in vivo and in vitro. NRF2 activation by RTA-408 ameliorated NLRP3 inflammasome activation and mitophagy downregulation in microglia, ultimately improving cognitive impairment in the presence of alcohol. CONCLUSION Chronic alcohol exposure-induced impaired mitophagy initiation contributed to NLRP3 inflammasome activation and cognitive deficits, which could be alleviated by NRF2 activation via RTA-408.
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Affiliation(s)
- Xinrou Lin
- Department of Neurology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, 510000, China; Nanhai Translational Innovation Center of Precision Immunology, Sun Yat-Sen Memorial Hospital, Foshan, 528200, China
| | - Hongxuan Wang
- Department of Neurology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, 510000, China
| | - Lubin Zou
- Department of Neurology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, 510000, China; Nanhai Translational Innovation Center of Precision Immunology, Sun Yat-Sen Memorial Hospital, Foshan, 528200, China
| | - Biying Yang
- Department of Neurology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, 510000, China; Department of Neurology, Guangdong Provincial Hospital of Chinese Medicine, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, 510000, China
| | - Wanru Chen
- Department of Neurology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, 510000, China
| | - Xiaoming Rong
- Department of Neurology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, 510000, China
| | - Xiaoni Zhang
- Department of Neurology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, 510000, China
| | - Lei He
- Department of Neurology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, 510000, China
| | - Xiangpen Li
- Department of Neurology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, 510000, China; Shenshan Medical Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Shanwei, 516400, China.
| | - Ying Peng
- Department of Neurology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, 510000, China; Nanhai Translational Innovation Center of Precision Immunology, Sun Yat-Sen Memorial Hospital, Foshan, 528200, China; Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, 510000, China.
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4
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Li Y, Cui J, Liu L, Hambright WS, Gan Y, Zhang Y, Ren S, Yue X, Shao L, Cui Y, Huard J, Mu Y, Yao Q, Mu X. mtDNA release promotes cGAS-STING activation and accelerated aging of postmitotic muscle cells. Cell Death Dis 2024; 15:523. [PMID: 39039044 PMCID: PMC11263593 DOI: 10.1038/s41419-024-06863-8] [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: 11/16/2023] [Revised: 06/19/2024] [Accepted: 06/25/2024] [Indexed: 07/24/2024]
Abstract
The mechanism regulating cellular senescence of postmitotic muscle cells is still unknown. cGAS-STING innate immune signaling was found to mediate cellular senescence in various types of cells, including postmitotic neuron cells, which however has not been explored in postmitotic muscle cells. Here by studying the myofibers from Zmpste24-/- progeria aged mice [an established mice model for Hutchinson-Gilford progeria syndrome (HGPS)], we observed senescence-associated phenotypes in Zmpste24-/- myofibers, which is coupled with increased oxidative damage to mitochondrial DNA (mtDNA) and secretion of senescence-associated secretory phenotype (SASP) factors. Also, Zmpste24-/- myofibers feature increased release of mtDNA from damaged mitochondria, mitophagy dysfunction, and activation of cGAS-STING. Meanwhile, increased mtDNA release in Zmpste24-/- myofibers appeared to be related with increased VDAC1 oligomerization. Further, the inhibition of VDAC1 oligomerization in Zmpste24-/- myofibers with VBIT4 reduced mtDNA release, cGAS-STING activation, and the expression of SASP factors. Our results reveal a novel mechanism of innate immune activation-associated cellular senescence in postmitotic muscle cells in aged muscle, which may help identify novel sets of diagnostic markers and therapeutic targets for progeria aging and aging-associated muscle diseases.
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Affiliation(s)
- Ying Li
- School of Pharmaceutical Sciences & Institute of Materia Medica, Shandong First Medical University & Shandong Academy of Medical Sciences, State Key Laboratory of Advanced Drug Delivery and Release Systems, Key Lab for Rare & Uncommon Diseases of Shandong Province, Jinan, Shandong, China
| | - Jie Cui
- School of Pharmaceutical Sciences & Institute of Materia Medica, Shandong First Medical University & Shandong Academy of Medical Sciences, State Key Laboratory of Advanced Drug Delivery and Release Systems, Key Lab for Rare & Uncommon Diseases of Shandong Province, Jinan, Shandong, China
| | - Lei Liu
- School of Pharmaceutical Sciences & Institute of Materia Medica, Shandong First Medical University & Shandong Academy of Medical Sciences, State Key Laboratory of Advanced Drug Delivery and Release Systems, Key Lab for Rare & Uncommon Diseases of Shandong Province, Jinan, Shandong, China
| | - William S Hambright
- Center for Regenerative Sports Medicine, Steadman Philippon Research Institute, Vail, CO, USA
| | - Yutai Gan
- School of Medicine and Pharmacy, Ocean University of China, Qingdao, Shandong, China
| | - Yajun Zhang
- School of Pharmaceutical Sciences & Institute of Materia Medica, Shandong First Medical University & Shandong Academy of Medical Sciences, State Key Laboratory of Advanced Drug Delivery and Release Systems, Key Lab for Rare & Uncommon Diseases of Shandong Province, Jinan, Shandong, China
| | - Shifeng Ren
- School of Pharmaceutical Sciences & Institute of Materia Medica, Shandong First Medical University & Shandong Academy of Medical Sciences, State Key Laboratory of Advanced Drug Delivery and Release Systems, Key Lab for Rare & Uncommon Diseases of Shandong Province, Jinan, Shandong, China
| | - Xianlin Yue
- School of Pharmaceutical Sciences & Institute of Materia Medica, Shandong First Medical University & Shandong Academy of Medical Sciences, State Key Laboratory of Advanced Drug Delivery and Release Systems, Key Lab for Rare & Uncommon Diseases of Shandong Province, Jinan, Shandong, China
| | - Liwei Shao
- School of Pharmaceutical Sciences & Institute of Materia Medica, Shandong First Medical University & Shandong Academy of Medical Sciences, State Key Laboratory of Advanced Drug Delivery and Release Systems, Key Lab for Rare & Uncommon Diseases of Shandong Province, Jinan, Shandong, China
| | - Yan Cui
- Department of Orthopaedic Surgery, University of Texas Health Science Center, Houston, TX, USA
| | - Johnny Huard
- Center for Regenerative Sports Medicine, Steadman Philippon Research Institute, Vail, CO, USA
| | - Yanling Mu
- School of Pharmaceutical Sciences & Institute of Materia Medica, Shandong First Medical University & Shandong Academy of Medical Sciences, State Key Laboratory of Advanced Drug Delivery and Release Systems, Key Lab for Rare & Uncommon Diseases of Shandong Province, Jinan, Shandong, China.
| | - Qingqiang Yao
- School of Pharmaceutical Sciences & Institute of Materia Medica, Shandong First Medical University & Shandong Academy of Medical Sciences, State Key Laboratory of Advanced Drug Delivery and Release Systems, Key Lab for Rare & Uncommon Diseases of Shandong Province, Jinan, Shandong, China.
| | - Xiaodong Mu
- School of Pharmaceutical Sciences & Institute of Materia Medica, Shandong First Medical University & Shandong Academy of Medical Sciences, State Key Laboratory of Advanced Drug Delivery and Release Systems, Key Lab for Rare & Uncommon Diseases of Shandong Province, Jinan, Shandong, China.
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5
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Yamada K, St Croix C, Stolz DB, Tyurina YY, Tyurin VA, Bradley LR, Kapralov AA, Deng Y, Zhou X, Wei Q, Liao B, Fukuda N, Sullivan M, Trudeau J, Ray A, Kagan VE, Zhao J, Wenzel SE. Compartmentalized mitochondrial ferroptosis converges with optineurin-mediated mitophagy to impact airway epithelial cell phenotypes and asthma outcomes. Nat Commun 2024; 15:5818. [PMID: 38987265 PMCID: PMC11237105 DOI: 10.1038/s41467-024-50222-2] [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: 07/11/2023] [Accepted: 07/03/2024] [Indexed: 07/12/2024] Open
Abstract
A stable mitochondrial pool is crucial for healthy cell function and survival. Altered redox biology can adversely affect mitochondria through induction of a variety of cell death and survival pathways, yet the understanding of mitochondria and their dysfunction in primary human cells and in specific disease states, including asthma, is modest. Ferroptosis is traditionally considered an iron dependent, hydroperoxy-phospholipid executed process, which induces cytosolic and mitochondrial damage to drive programmed cell death. However, in this report we identify a lipoxygenase orchestrated, compartmentally-targeted ferroptosis-associated peroxidation process which occurs in a subpopulation of dysfunctional mitochondria, without promoting cell death. Rather, this mitochondrial peroxidation process tightly couples with PTEN-induced kinase (PINK)-1(PINK1)-Parkin-Optineurin mediated mitophagy in an effort to preserve the pool of functional mitochondria and prevent cell death. These combined peroxidation processes lead to altered epithelial cell phenotypes and loss of ciliated cells which associate with worsened asthma severity. Ferroptosis-targeted interventions of this process could preserve healthy mitochondria, reverse cell phenotypic changes and improve disease outcomes.
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Affiliation(s)
- Kazuhiro Yamada
- Department of Environmental and Occupational Health, School of Public Health, University of Pittsburgh, Pittsburgh, PA, 15261, USA
- Department of Respiratory Medicine, Graduate School of Medicine, Osaka Metropolitan University, Osaka, 545-8585, Japan
| | - Claudette St Croix
- Department of Cell Biology, University of Pittsburgh, Pittsburgh, PA, 15261, USA
| | - Donna B Stolz
- Department of Cell Biology, University of Pittsburgh, Pittsburgh, PA, 15261, USA
| | - Yulia Y Tyurina
- Department of Environmental and Occupational Health, School of Public Health, University of Pittsburgh, Pittsburgh, PA, 15261, USA
| | - Vladimir A Tyurin
- Department of Environmental and Occupational Health, School of Public Health, University of Pittsburgh, Pittsburgh, PA, 15261, USA
| | - Laura R Bradley
- Department of Environmental and Occupational Health, School of Public Health, University of Pittsburgh, Pittsburgh, PA, 15261, USA
| | - Alexander A Kapralov
- Department of Environmental and Occupational Health, School of Public Health, University of Pittsburgh, Pittsburgh, PA, 15261, USA
| | - Yanhan Deng
- Department of Environmental and Occupational Health, School of Public Health, University of Pittsburgh, Pittsburgh, PA, 15261, USA
- Department of Rheumatology and Immunology, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Xiuxia Zhou
- Department of Environmental and Occupational Health, School of Public Health, University of Pittsburgh, Pittsburgh, PA, 15261, USA
| | - Qi Wei
- Department of Environmental and Occupational Health, School of Public Health, University of Pittsburgh, Pittsburgh, PA, 15261, USA
| | - Bo Liao
- Department of Environmental and Occupational Health, School of Public Health, University of Pittsburgh, Pittsburgh, PA, 15261, USA
- Department of Otolaryngology-Head & Neck Surgery, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Nobuhiko Fukuda
- Department of Environmental and Occupational Health, School of Public Health, University of Pittsburgh, Pittsburgh, PA, 15261, USA
- Department of Pulmonology, Yokohama City University Graduate School of Medicine, Yokohama, 236-0004, Japan
| | - Mara Sullivan
- Department of Cell Biology, University of Pittsburgh, Pittsburgh, PA, 15261, USA
| | - John Trudeau
- Department of Environmental and Occupational Health, School of Public Health, University of Pittsburgh, Pittsburgh, PA, 15261, USA
| | - Anuradha Ray
- Department of Medicine, School of Medicine, University of Pittsburgh, Pittsburgh, PA, 15260, USA
| | - Valerian E Kagan
- Department of Environmental and Occupational Health, School of Public Health, University of Pittsburgh, Pittsburgh, PA, 15261, USA
| | - Jinming Zhao
- Department of Environmental and Occupational Health, School of Public Health, University of Pittsburgh, Pittsburgh, PA, 15261, USA.
| | - Sally E Wenzel
- Department of Environmental and Occupational Health, School of Public Health, University of Pittsburgh, Pittsburgh, PA, 15261, USA.
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6
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Esrefoglu M. Harnessing autophagy: A potential breakthrough in digestive disease treatment. World J Gastroenterol 2024; 30:3036-3043. [PMID: 38983959 PMCID: PMC11230060 DOI: 10.3748/wjg.v30.i24.3036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/15/2024] [Revised: 04/30/2024] [Accepted: 06/04/2024] [Indexed: 06/25/2024] Open
Abstract
Autophagy, a conserved cellular degradation process, is crucial for various cellular processes such as immune responses, inflammation, metabolic and oxidative stress adaptation, cell proliferation, development, and tissue repair and remodeling. Dysregulation of autophagy is suspected in numerous diseases, including cancer, neurodegenerative diseases, digestive disorders, metabolic syndromes, and infectious and inflammatory diseases. If autophagy is disrupted, for example, this can have serious consequences and lead to chronic inflammation and tissue damage, as occurs in diseases such as Chron's disease and ulcerative colitis. On the other hand, the influence of autophagy on the development and progression of cancer is not clear. Autophagy can both suppress and promote the progression and metastasis of cancer at various stages. From inflammatory bowel diseases to gastrointestinal cancer, researchers are discovering the intricate role of autophagy in maintaining gut health and its potential as a therapeutic target. Researchers should carefully consider the nature and progression of diseases such as cancer when trying to determine whether inhibiting or stimulating autophagy is likely to be beneficial. Multidisciplinary approaches that combine cutting-edge research with clinical expertise are key to unlocking the full therapeutic potential of autophagy in digestive diseases.
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Affiliation(s)
- Mukaddes Esrefoglu
- Department of Histology and Embryology, Bezmialem Vakif University Medical Faculty, Istanbul 34093, Türkiye
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7
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Nan D, Rao C, Tang Z, Yang W, Wu P, Chen J, Xia Y, Yan J, Liu W, Zhang Z, Hu Z, Chen H, Liao Y, Mao X, Liu X, Zou Q, Li Q. Burkholderia pseudomallei BipD modulates host mitophagy to evade killing. Nat Commun 2024; 15:4740. [PMID: 38834545 PMCID: PMC11150414 DOI: 10.1038/s41467-024-48824-x] [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: 11/08/2023] [Accepted: 05/13/2024] [Indexed: 06/06/2024] Open
Abstract
Mitophagy is critical for mitochondrial quality control and function to clear damaged mitochondria. Here, we found that Burkholderia pseudomallei maneuvered host mitophagy for its intracellular survival through the type III secretion system needle tip protein BipD. We identified BipD, interacting with BTB-containing proteins KLHL9 and KLHL13 by binding to the Back and Kelch domains, recruited NEDD8 family RING E3 ligase CUL3 in response to B. pseudomallei infection. Although evidently not involved in regulation of infectious diseases, KLHL9/KLHL13/CUL3 E3 ligase complex was essential for BipD-dependent ubiquitination of mitochondria in mouse macrophages. Mechanistically, we discovered the inner mitochondrial membrane IMMT via host ubiquitome profiling as a substrate of KLHL9/KLHL13/CUL3 complex. Notably, K63-linked ubiquitination of IMMT K211 was required for initiating host mitophagy, thereby reducing mitochondrial ROS production. Here, we show a unique mechanism used by bacterial pathogens that hijacks host mitophagy for their survival.
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Affiliation(s)
- Dongqi Nan
- Department of Clinical Microbiology and Immunology, College of Pharmacy and Medical Laboratory, Army Medical University (Third Military Medical University), Chongqing, China
| | - Chenglong Rao
- Department of Clinical Microbiology and Immunology, College of Pharmacy and Medical Laboratory, Army Medical University (Third Military Medical University), Chongqing, China
| | - Zhiheng Tang
- Department of Microbiology and Infectious Disease Center, NHC Key Laboratory of Medical Immunology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, China
| | - Wenbo Yang
- Department of Clinical Microbiology and Immunology, College of Pharmacy and Medical Laboratory, Army Medical University (Third Military Medical University), Chongqing, China
| | - Pan Wu
- Department of Clinical Microbiology and Immunology, College of Pharmacy and Medical Laboratory, Army Medical University (Third Military Medical University), Chongqing, China
| | - Jiangao Chen
- Department of Clinical Microbiology and Immunology, College of Pharmacy and Medical Laboratory, Army Medical University (Third Military Medical University), Chongqing, China
| | - Yupei Xia
- Department of Clinical Microbiology and Immunology, College of Pharmacy and Medical Laboratory, Army Medical University (Third Military Medical University), Chongqing, China
| | - Jingmin Yan
- Department of Clinical Microbiology and Immunology, College of Pharmacy and Medical Laboratory, Army Medical University (Third Military Medical University), Chongqing, China
| | - Wenzheng Liu
- Department of Clinical Microbiology and Immunology, College of Pharmacy and Medical Laboratory, Army Medical University (Third Military Medical University), Chongqing, China
| | - Ziyuan Zhang
- Department of Clinical Microbiology and Immunology, College of Pharmacy and Medical Laboratory, Army Medical University (Third Military Medical University), Chongqing, China
| | - Zhiqiang Hu
- Department of Clinical Microbiology and Immunology, College of Pharmacy and Medical Laboratory, Army Medical University (Third Military Medical University), Chongqing, China
| | - Hai Chen
- Sanya People's Hospital, Sanya, China
| | - Yaling Liao
- Department of Clinical Microbiology and Immunology, College of Pharmacy and Medical Laboratory, Army Medical University (Third Military Medical University), Chongqing, China
| | - Xuhu Mao
- Department of Clinical Microbiology and Immunology, College of Pharmacy and Medical Laboratory, Army Medical University (Third Military Medical University), Chongqing, China.
- State Key Laboratory of Trauma and Chemical Poisoning, Army Medical University (Third Military Medical University), Chongqing, China.
| | - Xiaoyun Liu
- Department of Microbiology and Infectious Disease Center, NHC Key Laboratory of Medical Immunology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, China.
| | - Quanming Zou
- Department of Microbiology and Biochemical Pharmacy, College of Pharmacy and Laboratory Medicine, Army Medical University (Third Military Medical University), Chongqing, China.
| | - Qian Li
- Department of Clinical Microbiology and Immunology, College of Pharmacy and Medical Laboratory, Army Medical University (Third Military Medical University), Chongqing, China.
- State Key Laboratory of Trauma and Chemical Poisoning, Army Medical University (Third Military Medical University), Chongqing, China.
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8
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Li J, Xie Y, Zheng S, He H, Wang Z, Li X, Jiao S, Liu D, Yang F, Zhao H, Li P, Sun Y. Targeting autophagy in diabetic cardiomyopathy: From molecular mechanisms to pharmacotherapy. Biomed Pharmacother 2024; 175:116790. [PMID: 38776677 DOI: 10.1016/j.biopha.2024.116790] [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: 03/10/2024] [Revised: 05/13/2024] [Accepted: 05/17/2024] [Indexed: 05/25/2024] Open
Abstract
Diabetic cardiomyopathy (DCM) is a cardiac microvascular complication caused by metabolic disorders. It is characterized by myocardial remodeling and dysfunction. The pathogenesis of DCM is associated with abnormal cellular metabolism and organelle accumulation. Autophagy is thought to play a key role in the diabetic heart, and a growing body of research suggests that modulating autophagy may be a potential therapeutic strategy for DCM. Here, we have summarized the major signaling pathways involved in the regulation of autophagy in DCM, including Adenosine 5'-monophosphate-activated protein kinase (AMPK), mechanistic target of rapamycin (mTOR), Forkhead box subfamily O proteins (FOXOs), Sirtuins (SIRTs), and PTEN-inducible kinase 1 (PINK1)/Parkin. Given the significant role of autophagy in DCM, we further identified natural products and chemical drugs as regulators of autophagy in the treatment of DCM. This review may help to better understand the autophagy mechanism of drugs for DCM and promote their clinical application.
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Affiliation(s)
- Jie Li
- China-Japan Friendship Hospital (Institute of Clinical Medical Sciences), Beijing, China
| | - Yingying Xie
- Department of Cardiology, China-Japan Friendship Hospital (Institute of Clinical Medical Sciences), Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - Shuwen Zheng
- Beijing University of Chinese Medicine School of Traditional Chinese Medicine, Beijing, China
| | - Haoming He
- Department of Cardiology, China-Japan Friendship Hospital (Institute of Clinical Medical Sciences), Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - Zhe Wang
- Department of Cardiology, China-Japan Friendship Hospital (Institute of Clinical Medical Sciences), Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - Xuexi Li
- Department of Cardiology, China-Japan Friendship Hospital (Institute of Clinical Medical Sciences), Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - Siqi Jiao
- Peking University China-Japan Friendship School of Clinical Medicine, Beijing, China
| | - Dong Liu
- Peking University China-Japan Friendship School of Clinical Medicine, Beijing, China
| | - Furong Yang
- Beijing University of Chinese Medicine School of Traditional Chinese Medicine, Beijing, China
| | - Hailing Zhao
- Beijing Key Laboratory for Immune-Mediated Inflammatory Diseases, Institute of Clinical Medical Sciences, China-Japan Friendship Hospital, Beijing, China.
| | - Ping Li
- Beijing Key Laboratory for Immune-Mediated Inflammatory Diseases, Institute of Clinical Medical Sciences, China-Japan Friendship Hospital, Beijing, China.
| | - Yihong Sun
- Department of Cardiology, China-Japan Friendship Hospital (Institute of Clinical Medical Sciences), Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China; Peking University China-Japan Friendship School of Clinical Medicine, Beijing, China.
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9
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Suzuki I, Xing H, Giblin J, Ashraf A, Chung EJ. Nanoparticle-based therapeutic strategies for mitochondrial dysfunction in cardiovascular disease. J Biomed Mater Res A 2024; 112:895-913. [PMID: 38217313 DOI: 10.1002/jbm.a.37668] [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: 10/15/2023] [Revised: 12/05/2023] [Accepted: 12/27/2023] [Indexed: 01/15/2024]
Abstract
Although cardiovascular diseases (CVD) are the leading cause of global mortality, there is a lack of therapies that target and revert underlying pathological processes. Mitochondrial dysfunction is involved in the pathophysiology of CVD, and thus is a potential target for therapeutic development. To target the mitochondria and improve therapeutic efficacy, nanoparticle-based delivery systems have been proposed as promising strategies for the delivery of therapeutic agents to the mitochondria. This review will first discuss how mitochondrial dysfunction is related to the progression of several CVD and then delineate recent progress in mitochondrial targeting using nanoparticle-based delivery systems including peptide-based nanosystems, polymeric nanoparticles, liposomes, and lipid nanoparticles. In addition, we summarize the advantages of these nanocarriers and remaining challenges in targeting the mitochondria as a therapeutic strategy for CVD treatment.
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Affiliation(s)
- Isabella Suzuki
- Alfred E. Mann Department of Biomedical Engineering, University of Southern California, Los Angeles, California, USA
| | - Huihua Xing
- Alfred E. Mann Department of Biomedical Engineering, University of Southern California, Los Angeles, California, USA
| | - Joshua Giblin
- Alfred E. Mann Department of Biomedical Engineering, University of Southern California, Los Angeles, California, USA
| | - Anisa Ashraf
- Alfred E. Mann Department of Biomedical Engineering, University of Southern California, Los Angeles, California, USA
| | - Eun Ji Chung
- Alfred E. Mann Department of Biomedical Engineering, University of Southern California, Los Angeles, California, USA
- Department of Medicine, Division of Nephrology and Hypertension, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
- Department of Chemical Engineering and Materials Science, University of Southern California, Los Angeles, California, USA
- Department of Surgery, Division of Vascular Surgery and Endovascular Therapy, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
- Department of Stem Cell Biology and Regenerative Medicine, University of Southern California, Los Angeles, California, USA
- Norris Comprehensive Cancer Center, University of Southern California, Los Angeles, California, USA
- Bridge Institute, University of Southern California, Los Angeles, California, USA
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10
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Li H, Guo Y, Su W, Zhang H, Wei X, Ma X, Gong S, Qu G, Zhang L, Xu H, Shen F, Jiang S, Xu D, Li J. The mitochondria-targeted antioxidant MitoQ ameliorates inorganic arsenic-induced DCs/Th1/Th2/Th17/Treg differentiation partially by activating PINK1-mediated mitophagy in murine liver. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2024; 277:116350. [PMID: 38653026 DOI: 10.1016/j.ecoenv.2024.116350] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/29/2024] [Revised: 04/13/2024] [Accepted: 04/17/2024] [Indexed: 04/25/2024]
Abstract
Inorganic arsenic is a well-established environmental toxicant linked to acute liver injury, fibrosis, and cancer. While oxidative stress, pyroptosis, and ferroptosis are known contributors, the role of PTEN-induced kinase 1 (PINK1)-mediated mitophagy in arsenic-induced hepatic immunotoxicity remains underexplored. Our study revealed that acute arsenic exposure prompts differentiation of hepatic dendritic cells (DCs) and T helper (Th) 1, Th2, Th17, and regulatory T (Treg) cells, alongside increased transcription factors and cytokines. Inorganic arsenic triggered liver redox imbalance, leading to elevated alanine transaminase (ALT), hydrogen peroxide (H2O2), malondialdehyde (MDA), and activation of nuclear factor erythroid 2-related factor (Nrf2)/heme oxygenase-1 (HO-1) pathway. PINK1-mediated mitophagy was initiated, and its inhibition exacerbates H2O2 accumulation while promoting DCs/Th1/Th2/Treg differentiation in the liver of arsenic-exposed mice. Mitoquinone (MitoQ) pretreatment relieved arsenic-induced acute liver injury and immune imbalance by activating Nrf2/HO-1 and PINK1-mediated mitophagy. To our knowledge, this is the first report identifying PINK1-mediated mitophagy as a protective factor against inorganic arsenic-induced hepatic DCs/Th1/Th2 differentiation. This study has provided new insights on the immunotoxicity of inorganic arsenic and established a foundation for exploring preventive and therapeutic strategies targeting PINK1-mediated mitophagy in acute liver injury. Consequently, the application of mitochondrial antioxidant MitoQ may offer a promising treatment for the metalloid-induced acute liver injury.
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Affiliation(s)
- Hui Li
- Hebei Key Laboratory for Organ Fibrosis Research, School of Public Health, North China University of Science and Technology, Tangshan, Hebei Province 063210, PR China
| | - Yaning Guo
- Hebei Key Laboratory for Organ Fibrosis Research, School of Public Health, North China University of Science and Technology, Tangshan, Hebei Province 063210, PR China
| | - Wei Su
- Hebei Key Laboratory for Organ Fibrosis Research, School of Public Health, North China University of Science and Technology, Tangshan, Hebei Province 063210, PR China
| | - Huan Zhang
- Hebei Key Laboratory for Organ Fibrosis Research, School of Public Health, North China University of Science and Technology, Tangshan, Hebei Province 063210, PR China
| | - Xiaoxi Wei
- Hebei Key Laboratory for Organ Fibrosis Research, School of Public Health, North China University of Science and Technology, Tangshan, Hebei Province 063210, PR China
| | - Xinyu Ma
- Hebei Key Laboratory for Organ Fibrosis Research, School of Public Health, North China University of Science and Technology, Tangshan, Hebei Province 063210, PR China
| | - Shuwen Gong
- Hebei Key Laboratory for Organ Fibrosis Research, School of Public Health, North China University of Science and Technology, Tangshan, Hebei Province 063210, PR China
| | - Gaoyang Qu
- Hebei Key Laboratory for Organ Fibrosis Research, School of Public Health, North China University of Science and Technology, Tangshan, Hebei Province 063210, PR China
| | - Lin Zhang
- Wannan Medical College, 22 Wenchang West Road, Higher Education Park, Wuhu, Anhui Province 241000, PR China
| | - Hong Xu
- Hebei Key Laboratory for Organ Fibrosis Research, School of Public Health, North China University of Science and Technology, Tangshan, Hebei Province 063210, PR China
| | - Fuhai Shen
- Hebei Key Laboratory for Organ Fibrosis Research, School of Public Health, North China University of Science and Technology, Tangshan, Hebei Province 063210, PR China
| | - Shoufang Jiang
- Hebei Key Laboratory for Organ Fibrosis Research, School of Public Health, North China University of Science and Technology, Tangshan, Hebei Province 063210, PR China
| | - Dingjie Xu
- College of Traditional Chinese Medicine, North China University of Science and Technology, Tangshan, Hebei Province, 063210, PR China.
| | - Jinlong Li
- Hebei Key Laboratory for Organ Fibrosis Research, School of Public Health, North China University of Science and Technology, Tangshan, Hebei Province 063210, PR China.
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11
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Sukhorukov VN, Khotina VA, Kalmykov VA, Zhuravlev AD, Sinyov VV, Popov DY, Vinokurov AY, Sobenin IA, Orekhov AN. Mitochondrial Genome Editing: Exploring the Possible Relationship of the Atherosclerosis-Associated Mutation m.15059G>A With Defective Mitophagy. J Lipid Atheroscler 2024; 13:166-183. [PMID: 38826184 PMCID: PMC11140244 DOI: 10.12997/jla.2024.13.2.166] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2023] [Revised: 11/23/2023] [Accepted: 12/19/2023] [Indexed: 06/04/2024] Open
Abstract
Objective The aim of this study was to evaluate the effect of the m.15059G>A mitochondrial nonsense mutation on cellular functions related to atherosclerosis, such as lipidosis, pro-inflammatory response, and mitophagy. Heteroplasmic mutations have been proposed as a potential cause of mitochondrial dysfunction, potentially disrupting the innate immune response and contributing to the chronic inflammation associated with atherosclerosis. Methods The human monocytic cell line THP-1 and cytoplasmic hybrid cell line TC-HSMAM1 were used. An original approach based on the CRISPR/Cas9 system was developed and used to eliminate mitochondrial DNA (mtDNA) copies carrying the m.15059G>A mutation in the MT-CYB gene. The expression levels of genes encoding enzymes related to cholesterol metabolism were analyzed using quantitative polymerase chain reaction. Pro-inflammatory cytokine secretion was assessed using enzyme-linked immunosorbent assays. Mitophagy in cells was detected using confocal microscopy. Results In contrast to intact TC-HSMAM1 cybrids, Cas9-TC-HSMAM1 cells exhibited a decrease in fatty acid synthase (FASN) gene expression following incubation with atherogenic low-density lipoprotein. TC-HSMAM1 cybrids were found to have defective mitophagy and an inability to downregulate the production of pro-inflammatory cytokines (to establish immune tolerance) upon repeated lipopolysaccharide stimulation. Removal of mtDNA harboring the m.15059G>A mutation resulted in the re-establishment of immune tolerance and the activation of mitophagy in the cells under investigation. Conclusion The m.15059G>A mutation was found to be associated with defective mitophagy, immune tolerance, and impaired metabolism of intracellular lipids due to upregulation of FASN in monocytes and macrophages.
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Affiliation(s)
- Vasily N. Sukhorukov
- Laboratory of Angiopathology, Institute of General Pathology and Pathophysiology, Moscow, Russia
- Laboratory of Cellular and Molecular Pathology of Cardiovascular System, Petrovsky National Research Centre of Surgery, Moscow, Russia
- Laboratory of Medical Genetics, Institute of Experimental Cardiology, Russian Medical Research Center of Cardiology, Moscow, Russia
- Cell Physiology and Pathology Laboratory of R&D Center of Biomedical Photonics, Orel State University, Orel, Russia
| | - Victoria A. Khotina
- Laboratory of Angiopathology, Institute of General Pathology and Pathophysiology, Moscow, Russia
- Laboratory of Cellular and Molecular Pathology of Cardiovascular System, Petrovsky National Research Centre of Surgery, Moscow, Russia
| | - Vladislav A. Kalmykov
- Laboratory of Angiopathology, Institute of General Pathology and Pathophysiology, Moscow, Russia
- Laboratory of Cellular and Molecular Pathology of Cardiovascular System, Petrovsky National Research Centre of Surgery, Moscow, Russia
| | - Alexander D. Zhuravlev
- Laboratory of Angiopathology, Institute of General Pathology and Pathophysiology, Moscow, Russia
- Laboratory of Cellular and Molecular Pathology of Cardiovascular System, Petrovsky National Research Centre of Surgery, Moscow, Russia
| | - Vasily V. Sinyov
- Laboratory of Angiopathology, Institute of General Pathology and Pathophysiology, Moscow, Russia
- Laboratory of Cellular and Molecular Pathology of Cardiovascular System, Petrovsky National Research Centre of Surgery, Moscow, Russia
- Laboratory of Medical Genetics, Institute of Experimental Cardiology, Russian Medical Research Center of Cardiology, Moscow, Russia
| | - Daniil Y. Popov
- Cell Physiology and Pathology Laboratory of R&D Center of Biomedical Photonics, Orel State University, Orel, Russia
| | - Andrey Y. Vinokurov
- Cell Physiology and Pathology Laboratory of R&D Center of Biomedical Photonics, Orel State University, Orel, Russia
| | - Igor A. Sobenin
- Laboratory of Angiopathology, Institute of General Pathology and Pathophysiology, Moscow, Russia
- Laboratory of Medical Genetics, Institute of Experimental Cardiology, Russian Medical Research Center of Cardiology, Moscow, Russia
| | - Alexander N. Orekhov
- Laboratory of Angiopathology, Institute of General Pathology and Pathophysiology, Moscow, Russia
- Laboratory of Cellular and Molecular Pathology of Cardiovascular System, Petrovsky National Research Centre of Surgery, Moscow, Russia
- Institute for Atherosclerosis Research, Moscow, Russia
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12
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Qiu F, Liu Y, Liu Z. The Role of Protein S-Nitrosylation in Mitochondrial Quality Control in Central Nervous System Diseases. Aging Dis 2024:AD.2024.0099. [PMID: 38739938 DOI: 10.14336/ad.2024.0099] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2024] [Accepted: 03/25/2024] [Indexed: 05/16/2024] Open
Abstract
S-Nitrosylation is a reversible covalent post-translational modification. Under physiological conditions, S-nitrosylation plays a dynamic role in a wide range of biological processes by regulating the function of substrate proteins. Like other post-translational modifications, S-nitrosylation can affect protein conformation, activity, localization, aggregation, and protein interactions. Aberrant S-nitrosylation can lead to protein misfolding, mitochondrial fragmentation, synaptic damage, and autophagy. Mitochondria are essential organelles in energy production, metabolite biosynthesis, cell death, and immune responses, among other processes. Mitochondrial dysfunction can result in cell death and has been implicated in the development of many human diseases. Recent evidence suggests that S-nitrosylation and mitochondrial dysfunction are important modulators of the progression of several diseases. In this review, we highlight recent findings regarding the aberrant S- nitrosylation of mitochondrial proteins that regulate mitochondrial biosynthesis, fission and fusion, and autophagy. Specifically, we discuss the mechanisms by which S-nitrosylated mitochondrial proteins exercise mitochondrial quality control under pathological conditions, thereby influencing disease. A better understanding of these pathological events may provide novel therapeutic targets to mitigate the development of neurological diseases.
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Affiliation(s)
- Fang Qiu
- Department of Burn and Plastic Surgery, Shenzhen Longhua District Central Hospital, Shenzhen, Guangdong, China
| | - Yuqiang Liu
- Department of Anesthesiology, Shenzhen Second People's Hospital, the First Affiliated Hospital of Shenzhen University, Shenzhen, China
| | - Zhiheng Liu
- Department of Anesthesiology, Shenzhen Second People's Hospital, the First Affiliated Hospital of Shenzhen University, Shenzhen, China
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13
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Mann V, Sundaresan A, Shishodia S. Overnutrition and Lipotoxicity: Impaired Efferocytosis and Chronic Inflammation as Precursors to Multifaceted Disease Pathogenesis. BIOLOGY 2024; 13:241. [PMID: 38666853 PMCID: PMC11048223 DOI: 10.3390/biology13040241] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2024] [Revised: 03/25/2024] [Accepted: 04/04/2024] [Indexed: 04/28/2024]
Abstract
Overnutrition, driven by the consumption of high-fat, high-sugar diets, has reached epidemic proportions and poses a significant global health challenge. Prolonged overnutrition leads to the deposition of excessive lipids in adipose and non-adipose tissues, a condition known as lipotoxicity. The intricate interplay between overnutrition-induced lipotoxicity and the immune system plays a pivotal role in the pathogenesis of various diseases. This review aims to elucidate the consequences of impaired efferocytosis, caused by lipotoxicity-poisoned macrophages, leading to chronic inflammation and the subsequent development of severe infectious diseases, autoimmunity, and cancer, as well as chronic pulmonary and cardiovascular diseases. Chronic overnutrition promotes adipose tissue expansion which induces cellular stress and inflammatory responses, contributing to insulin resistance, dyslipidemia, and metabolic syndrome. Moreover, sustained exposure to lipotoxicity impairs the efferocytic capacity of macrophages, compromising their ability to efficiently engulf and remove dead cells. The unresolved chronic inflammation perpetuates a pro-inflammatory microenvironment, exacerbating tissue damage and promoting the development of various diseases. The interaction between overnutrition, lipotoxicity, and impaired efferocytosis highlights a critical pathway through which chronic inflammation emerges, facilitating the development of severe infectious diseases, autoimmunity, cancer, and chronic pulmonary and cardiovascular diseases. Understanding these intricate connections sheds light on potential therapeutic avenues to mitigate the detrimental effects of overnutrition and lipotoxicity on immune function and tissue homeostasis, thereby paving the way for novel interventions aimed at reducing the burden of these multifaceted diseases on global health.
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Affiliation(s)
| | | | - Shishir Shishodia
- Department of Biology, Texas Southern University, Houston, TX 77004, USA; (V.M.); (A.S.)
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14
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Li HY, Gao YX, Wu JC, Li JZ, Fu SW, Xu MY. Single-cell transcriptome reveals a novel mechanism of C-Kit +-liver sinusoidal endothelial cells in NASH. Cell Biosci 2024; 14:31. [PMID: 38461242 PMCID: PMC10925010 DOI: 10.1186/s13578-024-01215-7] [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: 10/12/2023] [Accepted: 03/04/2024] [Indexed: 03/11/2024] Open
Abstract
AIM To understand how liver sinusoidal endothelial cells (LSECs) respond to nonalcoholic steatohepatitis (NASH). METHODS We profiled single-LSEC from livers of control and MCD-fed mice. The functions of C-Kit+-LSECs were determined using coculture and bone marrow transplantation (BMT) methods. RESULTS Three special clusters of single-LSEC were differentiated. C-Kit+-LSECs of cluster 0, Msr1+-LSECs of cluster 1 and Bmp4+Selp+-VECs of cluster 2 were revealed, and these cells with diverse ectopic expressions of genes participated in regulation of endothelial, fibrosis and lipid metabolism in NASH. The number of C-Kit+-primary LSECs isolated from MCD mice was lower than control mice. Immunofluorescence co-staining of CD31 and C-KIT showed C-Kit+-LSECs located in hepatic sinusoid were also reduced in NASH patients and MCD mice, compared to AIH patients and control mice respectively. Interestingly, lipotoxic hepatocytes/HSCs cocultured with C-Kit+-LSECs or the livers of MCD mice receipting of C-Kit+-BMCs (bone marrow cells) showed less steatosis, inflammation and fibrosis, higher expression of prolipolytic FXR and PPAR-α, lower expression of TNF-α and α-SMA. Furthermore, coculturing or BMT of C-Kit+-endothelial derived cells could increase the levels of hepatic mitochondrial LC3B, decrease the degree of mitochondrial damage and ROS production through activating Pink1-mediated mitophagy pathway in NASH. CONCLUSIONS Hence, a novel transcriptomic view of LSECs was revealed to have heterogeneity and complexity in NASH. Importantly, a cluster of C-Kit+-LSECs was confirmed to recovery Pink1-related mitophagy and NASH progression.
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Affiliation(s)
- Hui-Yi Li
- Department of Gastroenterology, Shanghai East Hospital, Tongji University School of Medicine, No. 551, Pudong-South Road, Shanghai, 200120, China
| | - Yu-Xuan Gao
- Department of Gastroenterology, Shanghai East Hospital, Tongji University School of Medicine, No. 551, Pudong-South Road, Shanghai, 200120, China
| | - Jun-Cheng Wu
- Departments of Gastroenterology, The Third Affiliated Hospital of Soochow University, Changzhou, 213000, Jiangsu, China
| | - Jing-Ze Li
- Endoscopy Center, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, 200120, China
| | - Seng-Wang Fu
- Department of Gastroenterology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, No. 100, Haining Rd, Shanghai, 200080, China.
| | - Ming-Yi Xu
- Department of Gastroenterology, Shanghai East Hospital, Tongji University School of Medicine, No. 551, Pudong-South Road, Shanghai, 200120, China.
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Wang H, Ye J, Peng Y, Ma W, Chen H, Sun H, Feng Z, He W, Li G, Chu S, Zhang Z, Chen N. CKLF induces microglial activation via triggering defective mitophagy and mitochondrial dysfunction. Autophagy 2024; 20:590-613. [PMID: 37908119 PMCID: PMC10936627 DOI: 10.1080/15548627.2023.2276639] [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: 05/20/2023] [Accepted: 10/20/2023] [Indexed: 11/02/2023] Open
Abstract
Although microglial activation is induced by an increase in chemokines, the role of mitophagy in this process remains unclear. This study aimed to elucidate the role of microglial mitophagy in CKLF/CKLF1 (chemokine-like factor 1)-induced microglial activation and neuroinflammation, as well as the underlying molecular mechanisms following CKLF treatment. This study determined that CKLF, an inducible chemokine in the brain, leads to an increase in mitophagy markers, such as DNM1L, PINK1 (PTEN induced putative kinase 1), PRKN, and OPTN, along with a simultaneous increase in autophagosome formation, as evidenced by elevated levels of BECN1 and MAP1LC3B (microtubule-associated protein 1 light chain 3 beta)-II. However, SQSTM1, a substrate of autophagy, was also accumulated by CKLF treatment, suggesting that mitophagy flux was reduced and mitophagosomes accumulated. These findings were confirmed by transmission electron microscopy and confocal microscopy. The defective mitophagy observed in our study was caused by impaired lysosomal function, including mitophagosome-lysosome fusion, lysosome generation, and acidification, resulting in the accumulation of damaged mitochondria in microglial cells. Further analysis revealed that pharmacological blocking or gene-silencing of mitophagy inhibited CKLF-mediated microglial activation, as evidenced by the expression of the microglial marker AIF1 (allograft inflammatory factor 1) and the mRNA of proinflammatory cytokines (Tnf and Il6). Ultimately, defective mitophagy induced by CKLF results in microglial activation, as observed in the brains of adult mice. In summary, CKLF induces defective mitophagy, microglial activation, and inflammation, providing a potential approach for treating neuroinflammatory diseases.Abbreviation: 3-MA: 3-methyladenine; AIF1: allograft inflammatory factor 1; ANOVA: analysis of variance; BAF: bafilomycin A1; BSA: bovine serum albumin; CCCP: carbonyl cyanide m-chlorophenyl hydrazone; cGAMP: cyclic GMP-AMP; CGAS: cyclic GMP-AMP synthase; CKLF/CKLF1: chemokine-like factor 1; CNS: central nervous system; DMEM: Dulbecco's Modified Eagle Medium; DNM1L: dynamin 1 like; GAPDH: glyceraldehyde-3-phosphate dehydrogenase; GFP: green fluorescence protein; IRF3: interferon regulatory factor 3; IgG: immunoglobulin G; LAMP1: lysosomal-associated membrane protein 1; LAPTM4A: lysosomal-associated protein transmembrane 4A; MAP1LC3B: microtubule-associated protein 1 light chain 3 beta; Mdivi-1: mitochondrial division inhibitor 1; mRFP: monomeric red fluorescent protein; mtDNA: mitochondrial DNA; MTORC1: mechanistic target of rapamycin kinase complex 1; OPTN: optineurin; PBS: phosphate-buffered saline; PCR: polymerase chain reaction; PINK1: PTEN induced putative kinase 1; PLL: poly-L-lysine; PRKN: parkin RBR E3 ubiquitin protein ligase; qPCR: quantitative polymerase chain reaction; ROS: reactive oxygen species; SQSTM1: sequestosome 1; TBK1: TANK-binding kinase 1; TFEB: transcription factor EB; VDAC: voltage-dependent anion channel.
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Affiliation(s)
- Hongyun Wang
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica & Neuroscience Center, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Junrui Ye
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica & Neuroscience Center, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Ye Peng
- School of Pharmacy, Minzu University of China, Beijing, China
| | - Wenyu Ma
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica & Neuroscience Center, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Haodong Chen
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica & Neuroscience Center, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Hongshuo Sun
- Department of Physiology, Faculty of Medicine, University of Toronto, Toronto, ON, Canada
| | - Zhongping Feng
- Department of Physiology, Faculty of Medicine, University of Toronto, Toronto, ON, Canada
| | - Wenbin He
- National International Joint Research Center for Molecular Chinese Medicine, Shanxi University of Chinese Medicine, Shanxi, Taiyuan, China
| | - Gang Li
- Graduate school, Inner Mongolian Medical University, Hohhot, Inner Mongolia, China
| | - Shifeng Chu
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica & Neuroscience Center, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Zhao Zhang
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica & Neuroscience Center, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Naihong Chen
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica & Neuroscience Center, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
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16
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Mathur A, Ritu, Chandra P, Das A. Autophagy: a necessary evil in cancer and inflammation. 3 Biotech 2024; 14:87. [PMID: 38390576 PMCID: PMC10879063 DOI: 10.1007/s13205-023-03864-w] [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: 07/20/2023] [Accepted: 11/21/2023] [Indexed: 02/24/2024] Open
Abstract
Autophagy, a highly regulated cellular process, assumes a dual role in the context of cancer. On the one hand, it functions as a crucial homeostatic pathway, responsible for degrading malfunctioning molecules and organelles, thereby maintaining cellular health. On the other hand, its involvement in cancer development and regression is multifaceted, contingent upon a myriad of factors. This review meticulously examines the intricacies of autophagy, from its molecular machinery orchestrated by Autophagy-Related Genes (ATG) initially discovered in yeast to the various modes of autophagy operative within cells. Beyond its foundational role in cellular maintenance, autophagy reveals context-specific functions in processes like angiogenesis and inflammation. Our analysis delves into how autophagy-related factors directly impact inflammation, underscoring their profound implications for cancer dynamics. Additionally, we extend our inquiry to explore autophagy's associations with cardiovascular conditions, neurodegenerative disorders, and autoimmune diseases, illuminating the broader medical relevance of this process. Furthermore, this review elucidates how autophagy contributes to sustaining hallmark cancer features, including stem cell maintenance, proliferation, angiogenesis, metastasis, and metabolic reprogramming. Autophagy emerges as a pivotal process that necessitates careful consideration in cancer treatment strategies. To this end, we investigate innovative approaches, ranging from enzyme-based therapies to MTOR inhibitors, lysosomal blockers, and nanoparticle-enabled interventions, all aimed at optimizing cancer treatment outcomes by targeting autophagy pathways. In summary, this comprehensive review provides a nuanced perspective on the intricate and context-dependent role of autophagy in cancer biology. Our exploration not only deepens our understanding of this fundamental process but also highlights its potential as a therapeutic target. By unraveling the complex interplay between autophagy and cancer, we pave the way for more precise and effective cancer treatments, promising better outcomes for patients.
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Affiliation(s)
- Amit Mathur
- Department of Biotechnology, Delhi Technological University, Main Bawana Road, Delhi, 110042 India
| | - Ritu
- Department of Biotechnology, Delhi Technological University, Main Bawana Road, Delhi, 110042 India
| | - Prakash Chandra
- Department of Biotechnology, Delhi Technological University, Main Bawana Road, Delhi, 110042 India
| | - Asmita Das
- Department of Biotechnology, Delhi Technological University, Main Bawana Road, Delhi, 110042 India
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Liu J, Gao Y, Zhang H, Hao Z, Zhou G, Wen H, Su Q, Tong C, Yang X, Wang X. Forsythiaside A attenuates mastitis via PINK1/Parkin-mediated mitophagy. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2024; 125:155358. [PMID: 38241916 DOI: 10.1016/j.phymed.2024.155358] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/05/2023] [Revised: 01/01/2024] [Accepted: 01/11/2024] [Indexed: 01/21/2024]
Abstract
BACKGROUND Bovine mastitis is the most common animal production disease in the global dairy industry, which affects the health of dairy cows. When bovine mastitis occurs, the mitochondrial metabolism of breast tissue increases, and the relationship between inflammation and mitophagy has become a hot topic for many scholars. The abuse of antibiotics leads to the increase of resistance to bovine mastitis. FTA is one of the main effective components of Forsythia suspensa, which has anti-inflammatory, anti-infection, anti-oxidation and anti-virus pharmacological effects, and has broad application prospects in the prevention and treatment of bovine mastitis. However, the relationship between the anti-inflammatory effects of FTA and mitophagy is still unclear. PURPOSE This study mainly explores the anti-inflammatory effect of FTA in bovine mastitis and the relationship between mitophagy. METHODS MAC-T cells and wild-type mice were used to simulate the in vitro and in vivo response of mastitis. After the pretreatment with FTA, CsA inhibitors and siPINK1 were used to interfere with mitophagy, and the mitochondrial function impairment and the expression of inflammatory factors were detected. RESULTS It was found that pre-treatment with FTA significantly reduced LPS induced inflammatory response and mitochondrial damage, while promoting the expression of mitophagy related factors. However, after inhibiting mitophagy, the anti-inflammatory effect of FTA was inhibited. CONCLUSION This study is the first to suggest the relationship between the anti-inflammatory effect of FTA and mitophagy. PINK1/Parkin-mediated mitophagy is one of the ways that FTA protects MAC-T cells from LPS-induced inflammatory damage.
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Affiliation(s)
- Jingjing Liu
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou 450000, Henan province, PR China; Ministry of Education Key Laboratory for Animal Pathogens and Biosafety, Zhengzhou 450000, Henan province, PR China
| | - Yingkui Gao
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou 450000, Henan province, PR China; Ministry of Education Key Laboratory for Animal Pathogens and Biosafety, Zhengzhou 450000, Henan province, PR China
| | - Huaqiang Zhang
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou 450000, Henan province, PR China; Ministry of Education Key Laboratory for Animal Pathogens and Biosafety, Zhengzhou 450000, Henan province, PR China
| | - Zhonghua Hao
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou 450000, Henan province, PR China; Ministry of Education Key Laboratory for Animal Pathogens and Biosafety, Zhengzhou 450000, Henan province, PR China
| | - Guangwei Zhou
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou 450000, Henan province, PR China; Ministry of Education Key Laboratory for Animal Pathogens and Biosafety, Zhengzhou 450000, Henan province, PR China
| | - Haojie Wen
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou 450000, Henan province, PR China; Ministry of Education Key Laboratory for Animal Pathogens and Biosafety, Zhengzhou 450000, Henan province, PR China
| | - Qing Su
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou 450000, Henan province, PR China; Ministry of Education Key Laboratory for Animal Pathogens and Biosafety, Zhengzhou 450000, Henan province, PR China
| | - Chao Tong
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou 450000, Henan province, PR China; Ministry of Education Key Laboratory for Animal Pathogens and Biosafety, Zhengzhou 450000, Henan province, PR China; Zhengzhou Key Laboratory of Research and Evaluation of Traditional Chinese Veterinary Medicine, Zhengzhou 450000, Henan province, PR China
| | - Xu Yang
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou 450000, Henan province, PR China; Ministry of Education Key Laboratory for Animal Pathogens and Biosafety, Zhengzhou 450000, Henan province, PR China
| | - Xuebing Wang
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou 450000, Henan province, PR China; Ministry of Education Key Laboratory for Animal Pathogens and Biosafety, Zhengzhou 450000, Henan province, PR China; Zhengzhou Key Laboratory of Research and Evaluation of Traditional Chinese Veterinary Medicine, Zhengzhou 450000, Henan province, PR China.
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18
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Alvarez S, Vanasco V, Adán Areán JS, Magnani N, Evelson P. Mitochondrial Mechanisms in Immunity and Inflammatory Conditions: Beyond Energy Management. Antioxid Redox Signal 2024. [PMID: 38062738 DOI: 10.1089/ars.2023.0367] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/25/2024]
Abstract
Significance: The growing importance of mitochondria in the immune response and inflammation is multifaceted. Unraveling the different mechanisms by which mitochondria have a relevant role in the inflammatory response beyond the energy management of the process is necessary for improving our understanding of the host immune defense and the pathogenesis of various inflammatory diseases and syndromes. Critical Issues: Mitochondria are relevant in the immune response at different levels, including releasing activation molecules, changing its structure and function to accompany the immune response, and serving as a structural base for activating intermediates as NLRP3 inflammasome. In this scientific journey of dissecting mitochondrial mechanisms, new questions and interesting aspects arise, such as the involvement of mitochondrial-derived vesicles in the immune response with the putative role of preventing uncontrolled situations. Recent Advances: Researchers are continuously rethinking the role of mitochondria in acute and chronic inflammation and related disorders. As such, mitochondria have important roles as centrally positioned signaling hubs in regulating inflammatory and immune responses. In this review, we present the current understanding of mitochondrial mechanisms involved, beyond the largely known mitochondrial dysfunction, in the onset and development of inflammatory situations. Future Directions: Mitochondria emerge as an interesting and multifaceted platform for studying and developing pharmaceutical and therapeutic approaches. There are many ongoing studies aimed to describe the effects of specific mitochondrial targeted molecules and treatments to ameliorate the consequences of exacerbated inflammatory components of pathologies and syndromes, resulting in an open area of increasing research interest.
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Affiliation(s)
- Silvia Alvarez
- Universidad de Buenos Aires, Facultad de Farmacia y Bioquímica, Departamento de Ciencias Químicas, Fisicoquímica, CABA, Argentina
- Universidad de Buenos Aires, Facultad de Farmacia y Bioquímica, Departamento de Ciencias Químicas, Química General e Inorgánica, CABA, Argentina
| | - Virginia Vanasco
- Universidad de Buenos Aires, Facultad de Farmacia y Bioquímica, Departamento de Ciencias Químicas, Fisicoquímica, CABA, Argentina
- Universidad de Buenos Aires, Facultad de Farmacia y Bioquímica, Departamento de Ciencias Químicas, Química General e Inorgánica, CABA, Argentina
| | - Juan Santiago Adán Areán
- Universidad de Buenos Aires, Facultad de Farmacia y Bioquímica, Departamento de Ciencias Químicas, Fisicoquímica, CABA, Argentina
- Universidad de Buenos Aires, Facultad de Farmacia y Bioquímica, Departamento de Ciencias Químicas, Química General e Inorgánica, CABA, Argentina
| | - Natalia Magnani
- Universidad de Buenos Aires, Facultad de Farmacia y Bioquímica, Departamento de Ciencias Químicas, Química General e Inorgánica, CABA, Argentina
- CONICET-Universidad de Buenos Aires, Instituto de Bioquímica y Medicina Molecular (IBIMOL), Buenos Aires, CABA, Argentina
| | - Pablo Evelson
- Universidad de Buenos Aires, Facultad de Farmacia y Bioquímica, Departamento de Ciencias Químicas, Química General e Inorgánica, CABA, Argentina
- CONICET-Universidad de Buenos Aires, Instituto de Bioquímica y Medicina Molecular (IBIMOL), Buenos Aires, CABA, Argentina
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19
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Shin JM, Kim KM, Choi MS, Park S, Hong D, Jung KE, Seo YJ, Kim CD, Yang H, Lee Y. The crosstalk between PTEN-induced kinase 1-mediated mitophagy and the inflammasome in the pathogenesis of alopecia areata. Exp Dermatol 2024; 33:e14844. [PMID: 37264692 DOI: 10.1111/exd.14844] [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: 11/15/2022] [Revised: 05/18/2023] [Accepted: 05/23/2023] [Indexed: 06/03/2023]
Abstract
Alopecia areata (AA) is a T-cell-mediated autoimmune disease that causes chronic, relapsing hair loss; however, its precise pathogenesis remains to be elucidated. Recent studies have provided compelling evidence of crosstalk between inflammasomes and mitophagy-a process that contributes to the removal of damaged mitochondria. Our previous studies showed that the NLR family pyrin domain containing 3 (NLRP3) inflammasome is important for eliciting and progressing inflammation in AA. In this study, we detected mitochondrial DNA damage in AA-affected scalp tissues and IFNγ and poly(I:C) treated outer root sheath (ORS) cells. In addition, IFNγ and poly(I:C) treatment increased mitochondrial reactive oxygen species (ROS) levels in ORS cells. Moreover, we showed that mitophagy induction alleviates IFNγ and poly(I:C)-induced NLRP3 inflammasome activation in ORS cells. Lastly, PTEN-induced kinase 1 (PINK1) knockdown increased NLRP3 inflammasome activation, indicating that PINK1-mediated mitophagy plays a critical role in NLRP3 inflammasome activation in ORS cells. This study supports previous studies showing that oxidative stress disrupts immune privilege status and promotes autoimmunity in AA. The results emphasize the significance of crosstalk between mitophagy and inflammasomes in the pathogenesis of AA. Finally, mitophagy factors regulating mitochondrial dysfunction and inhibiting inflammasome activation could be novel therapeutic targets for AA.
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Affiliation(s)
- Jung-Min Shin
- Department of Dermatology, School of Medicine, Chungnam National University, Daejeon, Korea
| | - Kyung Min Kim
- Department of Dermatology, School of Medicine, Chungnam National University, Daejeon, Korea
| | - Mi Soo Choi
- Department of Dermatology, Dankook University Hospital, Cheonan, Korea
| | - Sanghyun Park
- Department of Dermatology, School of Medicine, Chungnam National University, Daejeon, Korea
| | - Dongkyun Hong
- Department of Dermatology, School of Medicine, Chungnam National University, Daejeon, Korea
| | - Kyung-Eun Jung
- Department of Dermatology, School of Medicine, Chungnam National University, Daejeon, Korea
| | - Young-Joon Seo
- Department of Dermatology, School of Medicine, Chungnam National University, Daejeon, Korea
| | - Chang Deok Kim
- Department of Dermatology, School of Medicine, Chungnam National University, Daejeon, Korea
| | - Hanseul Yang
- Department of Biological Sciences, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, Korea
| | - Young Lee
- Department of Dermatology, School of Medicine, Chungnam National University, Daejeon, Korea
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20
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Jiao P, Fan W, Ma X, Lin R, Zhao Y, Li Y, Zhang H, Jia X, Bi Y, Feng X, Li M, Liu W, Zhang K, Sun L. SARS-CoV-2 nonstructural protein 6 triggers endoplasmic reticulum stress-induced autophagy to degrade STING1. Autophagy 2023; 19:3113-3131. [PMID: 37482689 PMCID: PMC10621274 DOI: 10.1080/15548627.2023.2238579] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Accepted: 07/14/2023] [Indexed: 07/25/2023] Open
Abstract
ABBREVIATIONS aa: amino acid; ATF6: activating transcription factor 6; ATG5: autophagy related 5; CCPG1: cell cycle progression 1; CFTR: CF transmembrane conductance regulator; cGAMP: cyclic GMP-AMP; CGAS: cyclic GMP-AMP synthase; CHX: cycloheximide; Co-IP: co-immunoprecipitation; CQ: chloroquine; EIF2A/eIF2α: eukaryotic translation initiation factor 2A; EIF2AK3/PERK: eukaryotic translation initiation factor 2 alpha kinase 3; ER: endoplasmic reticulum; ERN1/IRE1: endoplasmic reticulum to nucleus signaling 1; GFP: green fluorescent protein; HSPA5/GRP78: heat shock protein family A (Hsp70) member 5; HSV-1: herpes simplex virus type 1; IFIT1: interferon induced protein with tetratricopeptide repeats 1; IFNB1/IFN-β: interferon beta 1; IRF3: interferon regulatory factor 3; ISG15: ISG15 ubiquitin like modifier; MAP1LC3B/LC3B: microtubule associated protein 1 light chain 3 beta; MAP3K7/TAK1: mitogen-activated protein kinase kinase kinase 7; MAVS: mitochondrial antiviral signaling protein; MOI: multiplicity of infection; NFKB/NF-κB: nuclear factor kappa B; NSP6: non-structural protein 6; Δ106-108: deletion of amino acids 106-108 in NSP6 of SARS-CoV-2; Δ105-107: deletion of amino acids 105-107 in NSP6 of SARS-CoV-2; RETREG1/FAM134B: reticulophagy regulator 1; RIGI/DDX58: RNA sensor RIG-I; SQSTM1/p62: sequestosome 1; STING1: stimulator of interferon response cGAMP interactor 1; TBK1: TANK binding kinase 1.
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Affiliation(s)
- Pengtao Jiao
- CAS Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, China
| | - Wenhui Fan
- CAS Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, China
| | - Xiaoya Ma
- Key Laboratory of Molecular Virology and Immunology, Institute Pasteur of Shanghai, Chinese Academy of Sciences, Shanghai, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Runshan Lin
- CAS Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Yuna Zhao
- CAS Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, China
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources & Laboratory of Animal Infectious Diseases, College of Animal Sciences and Veterinary Medicine, Guangxi University, Nanning, Guangxi, China
| | - Yabo Li
- CAS Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, China
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources & Laboratory of Animal Infectious Diseases, College of Animal Sciences and Veterinary Medicine, Guangxi University, Nanning, Guangxi, China
| | - He Zhang
- Institute of Infectious Diseases, Shenzhen Bay Laboratory, Shenzhen, Guangdong, China
| | - Xiaojuan Jia
- The Biological Safety Level-3 (BSL-3) Laboratory of Institute of Microbiology, Chinese Academy of Sciences, Beijing, China
| | - Yuhai Bi
- CAS Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, China
- University of Chinese Academy of Sciences, Beijing, China
- The Biological Safety Level-3 (BSL-3) Laboratory of Institute of Microbiology, Chinese Academy of Sciences, Beijing, China
| | - Xiaoli Feng
- Kunming National High-Level Biosafety Research Center for Non-Human Primates, Center for Biosafety Mega-Science, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan, China
| | - Minghua Li
- Kunming National High-Level Biosafety Research Center for Non-Human Primates, Center for Biosafety Mega-Science, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan, China
| | - Wenjun Liu
- CAS Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, China
- University of Chinese Academy of Sciences, Beijing, China
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources & Laboratory of Animal Infectious Diseases, College of Animal Sciences and Veterinary Medicine, Guangxi University, Nanning, Guangxi, China
- Institute of Infectious Diseases, Shenzhen Bay Laboratory, Shenzhen, Guangdong, China
| | - Ke Zhang
- Key Laboratory of Molecular Virology and Immunology, Institute Pasteur of Shanghai, Chinese Academy of Sciences, Shanghai, China
| | - Lei Sun
- CAS Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, China
- University of Chinese Academy of Sciences, Beijing, China
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21
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Zhang W, Jiang H, Wu G, Huang P, Wang H, An H, Liu S, Zhang W. The pathogenesis and potential therapeutic targets in sepsis. MedComm (Beijing) 2023; 4:e418. [PMID: 38020710 PMCID: PMC10661353 DOI: 10.1002/mco2.418] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Revised: 10/01/2023] [Accepted: 10/12/2023] [Indexed: 12/01/2023] Open
Abstract
Sepsis is defined as "a life-threatening organ dysfunction caused by dysregulated host systemic inflammatory and immune response to infection." At present, sepsis continues to pose a grave healthcare concern worldwide. Despite the use of supportive measures in treating traditional sepsis, such as intravenous fluids, vasoactive substances, and oxygen plus antibiotics to eradicate harmful pathogens, there is an ongoing increase in both the morbidity and mortality associated with sepsis during clinical interventions. Therefore, it is urgent to design specific pharmacologic agents for the treatment of sepsis and convert them into a novel targeted treatment strategy. Herein, we provide an overview of the molecular mechanisms that may be involved in sepsis, such as the inflammatory response, immune dysfunction, complement deactivation, mitochondrial damage, and endoplasmic reticulum stress. Additionally, we highlight important targets involved in sepsis-related regulatory mechanisms, including GSDMD, HMGB1, STING, and SQSTM1, among others. We summarize the latest advancements in potential therapeutic drugs that specifically target these signaling pathways and paramount targets, covering both preclinical studies and clinical trials. In addition, this review provides a detailed description of the crosstalk and function between signaling pathways and vital targets, which provides more opportunities for the clinical development of new treatments for sepsis.
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Affiliation(s)
- Wendan Zhang
- Shanghai Frontiers Science Center of TCM Chemical BiologyInstitute of Interdisciplinary Integrative Medicine ResearchShanghai University of Traditional Chinese MedicineShanghaiChina
- Faculty of PediatricsNational Engineering Laboratory for Birth defects prevention and control of key technologyBeijing Key Laboratory of Pediatric Organ Failurethe Chinese PLA General HospitalBeijingChina
| | - Honghong Jiang
- Shanghai Frontiers Science Center of TCM Chemical BiologyInstitute of Interdisciplinary Integrative Medicine ResearchShanghai University of Traditional Chinese MedicineShanghaiChina
- Faculty of PediatricsNational Engineering Laboratory for Birth defects prevention and control of key technologyBeijing Key Laboratory of Pediatric Organ Failurethe Chinese PLA General HospitalBeijingChina
| | - Gaosong Wu
- Shanghai Frontiers Science Center of TCM Chemical BiologyInstitute of Interdisciplinary Integrative Medicine ResearchShanghai University of Traditional Chinese MedicineShanghaiChina
| | - Pengli Huang
- Shanghai Frontiers Science Center of TCM Chemical BiologyInstitute of Interdisciplinary Integrative Medicine ResearchShanghai University of Traditional Chinese MedicineShanghaiChina
| | - Haonan Wang
- Shanghai Frontiers Science Center of TCM Chemical BiologyInstitute of Interdisciplinary Integrative Medicine ResearchShanghai University of Traditional Chinese MedicineShanghaiChina
| | - Huazhasng An
- Shandong Provincial Key Laboratory for Rheumatic Disease and Translational MedicineThe First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan HospitalJinanShandongChina
| | - Sanhong Liu
- Shanghai Frontiers Science Center of TCM Chemical BiologyInstitute of Interdisciplinary Integrative Medicine ResearchShanghai University of Traditional Chinese MedicineShanghaiChina
| | - Weidong Zhang
- Shanghai Frontiers Science Center of TCM Chemical BiologyInstitute of Interdisciplinary Integrative Medicine ResearchShanghai University of Traditional Chinese MedicineShanghaiChina
- Department of PhytochemistrySchool of PharmacySecond Military Medical UniversityShanghaiChina
- The Research Center for Traditional Chinese MedicineShanghai Institute of Infectious Diseases and BiosecurityShanghai University of Traditional Chinese MedicineShanghaiChina
- Institute of Medicinal Plant DevelopmentChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingChina
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22
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Litwiniuk A, Juszczak GR, Stankiewicz AM, Urbańska K. The role of glial autophagy in Alzheimer's disease. Mol Psychiatry 2023; 28:4528-4539. [PMID: 37679471 DOI: 10.1038/s41380-023-02242-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Revised: 08/21/2023] [Accepted: 08/25/2023] [Indexed: 09/09/2023]
Abstract
Although Alzheimer's disease is the most pervasive neurodegenerative disorder, the mechanism underlying its development is still not precisely understood. Available data indicate that pathophysiology of this disease may involve impaired autophagy in glial cells. The dysfunction is manifested as reduced ability of astrocytes and microglia to clear abnormal protein aggregates. Consequently, excessive accumulation of amyloid beta plaques and neurofibrillary tangles activates microglia and astrocytes leading to decreased number of mature myelinated oligodendrocytes and death of neurons. These pathologic effects of autophagy dysfunction can be rescued by pharmacological activation of autophagy. Therefore, a deeper understanding of the molecular mechanisms involved in autophagy dysfunction in glial cells in Alzheimer's disease may lead to the development of new therapeutic strategies. However, such strategies need to take into consideration differences in regulation of autophagy in different types of neuroglia.
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Affiliation(s)
- Anna Litwiniuk
- Department of Neuroendocrinology, Centre of Postgraduate Medical Education, Warsaw, Mazovia, Poland
| | - Grzegorz Roman Juszczak
- Department of Animal Behavior and Welfare, Institute of Genetics and Animal Biotechnology, Polish Academy of Sciences, Jastrzębiec, Mazovia, Poland
| | - Adrian Mateusz Stankiewicz
- Department of Molecular Biology, Institute of Genetics and Animal Biotechnology, Polish Academy of Sciences, Jastrzębiec, Mazovia, Poland.
| | - Kaja Urbańska
- Department of Morphological Sciences, Faculty of Veterinary Medicine, Warsaw University of Life Sciences, Warsaw, Mazovia, Poland.
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23
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Perales-Linares R, Leli NM, Mohei H, Beghi S, Rivera OD, Kostopoulos N, Giglio A, George SS, Uribe-Herranz M, Costabile F, Pierini S, Pustylnikov S, Skoufos G, Barash Y, Hatzigeorgiou AG, Koumenis C, Maity A, Lotze MT, Facciabene A. Parkin Deficiency Suppresses Antigen Presentation to Promote Tumor Immune Evasion and Immunotherapy Resistance. Cancer Res 2023; 83:3562-3576. [PMID: 37578274 PMCID: PMC10618737 DOI: 10.1158/0008-5472.can-22-2499] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Revised: 01/20/2023] [Accepted: 08/09/2023] [Indexed: 08/15/2023]
Abstract
Parkin is an E3 ubiquitin ligase, which plays a key role in the development of Parkinson disease. Parkin defects also occur in numerous cancers, and a growing body of evidence indicates that Parkin functions as a tumor suppressor that impedes a number of cellular processes involved in tumorigenesis. Here, we generated murine and human models that closely mimic the advanced-stage tumors where Parkin deficiencies are found to provide deeper insights into the tumor suppressive functions of Parkin. Loss of Parkin expression led to aggressive tumor growth, which was associated with poor tumor antigen presentation and limited antitumor CD8+ T-cell infiltration and activation. The effect of Parkin deficiency on tumor growth was lost following depletion of CD8+ T cells. In line with previous findings, Parkin deficiency was linked with mitochondria-associated metabolic stress, PTEN degradation, and enhanced Akt activation. Increased Akt signaling led to dysregulation of antigen presentation, and treatment with the Akt inhibitor MK2206-2HCl restored antigen presentation in Parkin-deficient tumors. Analysis of data from patients with clear cell renal cell carcinoma indicated that Parkin expression was downregulated in tumors and that low expression correlated with reduced overall survival. Furthermore, low Parkin expression correlated with reduced patient response to immunotherapy. Overall, these results identify a role for Parkin deficiency in promoting tumor immune evasion that may explain the poor prognosis associated with loss of Parkin across multiple types of cancer. SIGNIFICANCE Parkin prevents immune evasion by regulating tumor antigen processing and presentation through the PTEN/Akt network, which has important implications for immunotherapy treatments in patients with Parkin-deficient tumors.
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Affiliation(s)
- Renzo Perales-Linares
- Department of Radiation Oncology, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania
| | - Nektaria Maria Leli
- Department of Radiation Oncology, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania
| | - Hesham Mohei
- Department of Radiation Oncology, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania
| | - Silvia Beghi
- Department of Radiation Oncology, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania
| | - Osvaldo D. Rivera
- Graduate Group in Cell and Molecular Biology, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Nektarios Kostopoulos
- Department of Radiation Oncology, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania
| | - Andrea Giglio
- Department of Radiation Oncology, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania
| | - Subin S. George
- Penn Bioinformatics Core, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Mireia Uribe-Herranz
- Department of Radiation Oncology, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania
| | - Francesca Costabile
- Department of Radiation Oncology, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania
| | - Stefano Pierini
- Department of Radiation Oncology, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania
| | - Sergei Pustylnikov
- Department of Radiation Oncology, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania
| | - Giorgos Skoufos
- Department of Computer Science and Biomedical Informatics, University of Thessaly - Hellenic Pasteur Institute, Athens, Greece
| | - Yoseph Barash
- Graduate Group in Cell and Molecular Biology, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Artemis G. Hatzigeorgiou
- Department of Computer Science and Biomedical Informatics, University of Thessaly - Hellenic Pasteur Institute, Athens, Greece
| | - Constantinos Koumenis
- Department of Radiation Oncology, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania
| | - Amit Maity
- Department of Radiation Oncology, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania
| | - Michael T. Lotze
- Department of Surgery, University of Pittsburgh Medical Center Hillman Cancer Center, Pittsburgh, Pennsylvania
- Department of Immunology, University of Pittsburgh Medical Center Hillman Cancer Center, Pittsburgh, Pennsylvania
- Department of Bioengineering, University of Pittsburgh Medical Center Hillman Cancer Center, Pittsburgh, Pennsylvania
| | - Andrea Facciabene
- Department of Radiation Oncology, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania
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24
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Zhang SM, Fan B, Li YL, Zuo ZY, Li GY. Oxidative Stress-Involved Mitophagy of Retinal Pigment Epithelium and Retinal Degenerative Diseases. Cell Mol Neurobiol 2023; 43:3265-3276. [PMID: 37391574 PMCID: PMC10477140 DOI: 10.1007/s10571-023-01383-z] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Accepted: 06/22/2023] [Indexed: 07/02/2023]
Abstract
The retinal pigment epithelium (RPE) is a highly specialized and polarized epithelial cell layer that plays an important role in sustaining the structural and functional integrity of photoreceptors. However, the death of RPE is a common pathological feature in various retinal diseases, especially in age-related macular degeneration (AMD) and diabetic retinopathy (DR). Mitophagy, as a programmed self-degradation of dysfunctional mitochondria, is crucial for maintaining cellular homeostasis and cell survival under stress. RPE contains a high density of mitochondria necessary for it to meet energy demands, so severe stimuli can cause mitochondrial dysfunction and the excess generation of intracellular reactive oxygen species (ROS), which can further trigger oxidative stress-involved mitophagy. In this review, we summarize the classical pathways of oxidative stress-involved mitophagy in RPE and investigate its role in the progression of retinal diseases, aiming to provide a new therapeutic strategy for treating retinal degenerative diseases. The role of mitophagy in AMD and DR. In AMD, excessive ROS production promotes mitophagy in the RPE by activating the Nrf2/p62 pathway, while in DR, ROS may suppress mitophagy by the FOXO3-PINK1/parkin signaling pathway or the TXNIP-mitochondria-lysosome-mediated mitophagy.
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Affiliation(s)
- Si-Ming Zhang
- Department of Ophthalmology, Second Norman Bethune Hospital of Jilin University, Changchun, 130000, China
| | - Bin Fan
- Department of Ophthalmology, Second Norman Bethune Hospital of Jilin University, Changchun, 130000, China
| | - Yu- Lin Li
- Department of Ophthalmology, Second Norman Bethune Hospital of Jilin University, Changchun, 130000, China
| | - Zhao-Yang Zuo
- Department of Ophthalmology, Second Norman Bethune Hospital of Jilin University, Changchun, 130000, China
| | - Guang-Yu Li
- Department of Ophthalmology, Second Norman Bethune Hospital of Jilin University, Changchun, 130000, China.
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Shi K, Fan Q, Zhan M, Pang M, Tan S, Wang W, Wang M, Sha Z. Exploring the effect of Ulva prolifera decay on the immune tissue of Paralichthys olivaceus based on transcriptomics and histopathological analysis. MARINE POLLUTION BULLETIN 2023; 194:115410. [PMID: 37595335 DOI: 10.1016/j.marpolbul.2023.115410] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Revised: 07/20/2023] [Accepted: 08/08/2023] [Indexed: 08/20/2023]
Abstract
For 17 consecutive years, the outbreak of Ulva prolifera in the South Yellow Sea area of China has caused significant negative impacts on coastal ecological environment. However, its specific influence on fish immunity is rare. In this study, the juvenile Paralichthys olivaceus was exposed to fresh U. prolifera algae (FU) and decomposing algal effluent (DU). After short-term stress for 14 days, the histopathological and transcriptome analysis were performed to study the effect of U. prolifera decay on P. olivaceus. Histopathological analysis found that the liver, spleen and head kidneys of P. olivaceus were damaged after the short-term stress. The transcriptome results showed that the steroid biosynthesis signaling pathway and the PI3K-Akt signaling pathway were significantly enriched. Some immune related genes, including c1qc-like, dusp1, dusp16, HSP90 and metabolic related genes serotransferrin, were differentially expressed. These results highlighted the harmfulness of U. prolifera on marine fish, setting a solid foundation for further analyses.
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Affiliation(s)
- Kunpeng Shi
- Institute of Aquatic Biotechnology, Qingdao University, Qingdao 266071, China
| | - Qingxin Fan
- Institute of Aquatic Biotechnology, Qingdao University, Qingdao 266071, China
| | - Min Zhan
- Institute of Aquatic Biotechnology, Qingdao University, Qingdao 266071, China
| | - Min Pang
- Observation and Research Station of Bohai Eco-Corridor, First Institute of Oceanography, Ministry of Natural Resources of the People's Republic of China, Qingdao 266061, China
| | - Suxu Tan
- Institute of Aquatic Biotechnology, Qingdao University, Qingdao 266071, China
| | - Wenwen Wang
- Institute of Aquatic Biotechnology, Qingdao University, Qingdao 266071, China
| | - Muyuan Wang
- Institute of Aquatic Biotechnology, Qingdao University, Qingdao 266071, China
| | - Zhenxia Sha
- Institute of Aquatic Biotechnology, Qingdao University, Qingdao 266071, China; Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China.
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26
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Blagov AV, Summerhill VI, Sukhorukov VN, Popov MA, Grechko AV, Orekhov AN. Type 1 diabetes mellitus: Inflammation, mitophagy, and mitochondrial function. Mitochondrion 2023; 72:11-21. [PMID: 37453498 DOI: 10.1016/j.mito.2023.07.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Revised: 06/17/2023] [Accepted: 07/04/2023] [Indexed: 07/18/2023]
Abstract
Type 1 diabetes mellitus (T1DM) is a T-cell-mediated autoimmune disease characterized by the damage of insulin-secreting β-cells in the pancreatic islets of Langerhans. To date, its etiology is not fully understood, despite decades of active search for root causes, and that underlines the complexity of the disease pathogenesis. It was found that mitophagy plays a regulatory role in the development of autoimmune response during T1DM pathogenesis by preventing the accumulation of defective/dysfunctional mitochondria in pancreatic cells. Mitochondrial dysfunction due to impaired mitophagy with the release of mitochondrial reactive oxygen species (mtROS) and mitochondrial DNA (mtDNA) contributes to initiating an inflammatory response by elevating pro-inflammatory cytokines and interacting with receptors like those involved in the pathogen-associated response. Moreover, mtROS and mtDNA activate pathways leading to the development of chronic inflammation, which is tightly implicated in T1DM autoimmunity. In this review, we summarized the evidence highlighting the functional role of mitophagy and mitochondria in the development of immune response and chronic inflammation during T1DM pathogenesis. Several anti-inflammatory and mitophagy-related treatment options have been explored.
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Affiliation(s)
- Alexander V Blagov
- Institute of General Pathology and Pathophysiology, 8, Baltiiskaya Street, Moscow 125315, Russia.
| | - Volha I Summerhill
- Institute for Atherosclerosis Research, Osennyaya Street 4-1-207, Moscow 121609, Russia.
| | - Vasily N Sukhorukov
- Institute of General Pathology and Pathophysiology, 8, Baltiiskaya Street, Moscow 125315, Russia; Institute for Atherosclerosis Research, Osennyaya Street 4-1-207, Moscow 121609, Russia.
| | - Mikhail A Popov
- Department of Cardiac Surgery, Moscow Regional Research and Clinical Institute (MONIKI), 61/2, Shchepkin Street, Moscow 129110, Russia.
| | - Andrey V Grechko
- Federal Research and Clinical Center of Intensive Care Medicine and Rehabilitology, 14-3, Solyanka Street, Moscow 109240, Russia.
| | - Alexander N Orekhov
- Institute of General Pathology and Pathophysiology, 8, Baltiiskaya Street, Moscow 125315, Russia; Institute for Atherosclerosis Research, Osennyaya Street 4-1-207, Moscow 121609, Russia.
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Tripathi A, Bartosh A, Whitehead C, Pillai A. Activation of cell-free mtDNA-TLR9 signaling mediates chronic stress-induced social behavior deficits. Mol Psychiatry 2023; 28:3806-3815. [PMID: 37528226 PMCID: PMC10730412 DOI: 10.1038/s41380-023-02189-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Revised: 07/10/2023] [Accepted: 07/13/2023] [Indexed: 08/03/2023]
Abstract
Inflammation and social behavior deficits are associated with a number of neuropsychiatric disorders. Chronic stress, a major risk factor for depression and other mental health conditions is known to increase inflammatory responses and social behavior impairments. Disturbances in mitochondria function have been found in chronic stress conditions, however the mechanisms that link mitochondrial dysfunction to stress-induced social behavior deficits are not well understood. In this study, we found that chronic restraint stress (RS) induces significant increases in serum cell-free mitochondrial DNA (cf-mtDNA) levels in mice, and systemic Deoxyribonuclease I (DNase I) treatment attenuated RS-induced social behavioral deficits. Our findings revealed potential roles of mitophagy and Mitochondrial antiviral-signaling protein (MAVS) in mediating chronic stress-induced changes in cf-mtDNA levels and social behavior. Furthermore, we showed that inhibition of Toll-like receptor 9 (TLR9) attenuates mtDNA-induced social behavior deficits. Together, these findings show that cf-mtDNA-TLR9 signaling is critical in mediating stress-induced social behavior deficits.
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Affiliation(s)
- Ashutosh Tripathi
- Pathophysiology of Neuropsychiatric Disorders Program, Faillace Department of Psychiatry and Behavioral Sciences, The University of Texas Health Science Center at Houston (UTHealth), Houston, TX, USA
| | - Alona Bartosh
- Pathophysiology of Neuropsychiatric Disorders Program, Faillace Department of Psychiatry and Behavioral Sciences, The University of Texas Health Science Center at Houston (UTHealth), Houston, TX, USA
| | - Carl Whitehead
- Pathophysiology of Neuropsychiatric Disorders Program, Faillace Department of Psychiatry and Behavioral Sciences, The University of Texas Health Science Center at Houston (UTHealth), Houston, TX, USA
| | - Anilkumar Pillai
- Pathophysiology of Neuropsychiatric Disorders Program, Faillace Department of Psychiatry and Behavioral Sciences, The University of Texas Health Science Center at Houston (UTHealth), Houston, TX, USA.
- Department of Psychiatry and Health Behavior, Augusta University, Augusta, GA, USA.
- Charlie Norwood VA Medical Center, Augusta, GA, USA.
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Lee J, Lee SA, Son SH, Choi JA, Nguyen TD, Kim J, Son D, Song CH. Impaired mitophagy induces antimicrobial responses in macrophages infected with Mycobacterium tuberculosis. Cell Biosci 2023; 13:158. [PMID: 37649112 PMCID: PMC10470153 DOI: 10.1186/s13578-023-01107-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2022] [Accepted: 08/18/2023] [Indexed: 09/01/2023] Open
Abstract
BACKGROUND Mitophagy, mitochondrial selective autophagy, plays a pivotal role in the maintenance of cellular homeostasis in response to cellular stress. However, the role of mitophagy in macrophages during infection has not been elucidated. To determine whether mitophagy regulates intracellular pathogen survival, macrophages were infected with Mycobacterium tuberculosis (Mtb), an intracellular bacterium. RESULTS We showed that Mtb-infected macrophages induced mitophagy through BCL2/adenovirus E1B 19 kDa protein-interacting protein 3 (BNIP3) activation. In contrast, BNIP3-deficient macrophages failed to induce mitophagy, resulting in reduced mitochondrial membrane potential in response to Mtb infection. Moreover, the accumulation of damaged mitochondria due to BNIP3 deficiency generated higher levels of mitochondrial reactive oxygen species (mROS) compared to the control, suppressing the intracellular survival of Mtb. We observed that siBNIP3 suppressed intracellular Mtb in mice lungs. CONCLUSION We found that BNIP3 plays a critical role in the regulation of mitophagy during Mtb infection. The inhibition of mitophagy suppresses Mtb growth in macrophages through increased mROS production. Therefore, BNIP3 might be a novel therapeutic target for tuberculosis treatment.
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Affiliation(s)
- Junghwan Lee
- Department of Microbiology, Department of Medical Science, College of Medicine, Chungnam National University, 266 Munhwa‑ro, Jung‑gu, Daejeon, 35015, South Korea
- Department of Medical Science, College of Medicine, Chungnam National University, 266 Munhwa-ro, Jung-gu, Daejeon, 35015, South Korea
- Translational Immunology Institute, Chungnam National University, Daejeon, 34134, South Korea
| | - Seong-Ahn Lee
- Department of Microbiology, Department of Medical Science, College of Medicine, Chungnam National University, 266 Munhwa‑ro, Jung‑gu, Daejeon, 35015, South Korea
- Department of Medical Science, College of Medicine, Chungnam National University, 266 Munhwa-ro, Jung-gu, Daejeon, 35015, South Korea
| | - Sang-Hun Son
- Department of Microbiology, Department of Medical Science, College of Medicine, Chungnam National University, 266 Munhwa‑ro, Jung‑gu, Daejeon, 35015, South Korea
- Department of Medical Science, College of Medicine, Chungnam National University, 266 Munhwa-ro, Jung-gu, Daejeon, 35015, South Korea
| | - Ji-Ae Choi
- Department of Microbiology, Department of Medical Science, College of Medicine, Chungnam National University, 266 Munhwa‑ro, Jung‑gu, Daejeon, 35015, South Korea
- Department of Medical Science, College of Medicine, Chungnam National University, 266 Munhwa-ro, Jung-gu, Daejeon, 35015, South Korea
- Translational Immunology Institute, Chungnam National University, Daejeon, 34134, South Korea
| | - Tam Doan Nguyen
- Department of Microbiology, Department of Medical Science, College of Medicine, Chungnam National University, 266 Munhwa‑ro, Jung‑gu, Daejeon, 35015, South Korea
- Department of Medical Science, College of Medicine, Chungnam National University, 266 Munhwa-ro, Jung-gu, Daejeon, 35015, South Korea
| | - Jaewhan Kim
- Department of Microbiology, Department of Medical Science, College of Medicine, Chungnam National University, 266 Munhwa‑ro, Jung‑gu, Daejeon, 35015, South Korea
- Department of Medical Science, College of Medicine, Chungnam National University, 266 Munhwa-ro, Jung-gu, Daejeon, 35015, South Korea
| | - Doyi Son
- Department of Microbiology, Department of Medical Science, College of Medicine, Chungnam National University, 266 Munhwa‑ro, Jung‑gu, Daejeon, 35015, South Korea
- Department of Medical Science, College of Medicine, Chungnam National University, 266 Munhwa-ro, Jung-gu, Daejeon, 35015, South Korea
| | - Chang-Hwa Song
- Department of Microbiology, Department of Medical Science, College of Medicine, Chungnam National University, 266 Munhwa‑ro, Jung‑gu, Daejeon, 35015, South Korea.
- Department of Medical Science, College of Medicine, Chungnam National University, 266 Munhwa-ro, Jung-gu, Daejeon, 35015, South Korea.
- Translational Immunology Institute, Chungnam National University, Daejeon, 34134, South Korea.
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29
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Wang S, Long H, Hou L, Feng B, Ma Z, Wu Y, Zeng Y, Cai J, Zhang DW, Zhao G. The mitophagy pathway and its implications in human diseases. Signal Transduct Target Ther 2023; 8:304. [PMID: 37582956 PMCID: PMC10427715 DOI: 10.1038/s41392-023-01503-7] [Citation(s) in RCA: 36] [Impact Index Per Article: 36.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 05/03/2023] [Accepted: 05/16/2023] [Indexed: 08/17/2023] Open
Abstract
Mitochondria are dynamic organelles with multiple functions. They participate in necrotic cell death and programmed apoptotic, and are crucial for cell metabolism and survival. Mitophagy serves as a cytoprotective mechanism to remove superfluous or dysfunctional mitochondria and maintain mitochondrial fine-tuning numbers to balance intracellular homeostasis. Growing evidences show that mitophagy, as an acute tissue stress response, plays an important role in maintaining the health of the mitochondrial network. Since the timely removal of abnormal mitochondria is essential for cell survival, cells have evolved a variety of mitophagy pathways to ensure that mitophagy can be activated in time under various environments. A better understanding of the mechanism of mitophagy in various diseases is crucial for the treatment of diseases and therapeutic target design. In this review, we summarize the molecular mechanisms of mitophagy-mediated mitochondrial elimination, how mitophagy maintains mitochondrial homeostasis at the system levels and organ, and what alterations in mitophagy are related to the development of diseases, including neurological, cardiovascular, pulmonary, hepatic, renal disease, etc., in recent advances. Finally, we summarize the potential clinical applications and outline the conditions for mitophagy regulators to enter clinical trials. Research advances in signaling transduction of mitophagy will have an important role in developing new therapeutic strategies for precision medicine.
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Affiliation(s)
- Shouliang Wang
- The Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan City People's Hospital, Qingyuan, Guangdong, China
| | - Haijiao Long
- The Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan City People's Hospital, Qingyuan, Guangdong, China
- Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Lianjie Hou
- The Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan City People's Hospital, Qingyuan, Guangdong, China
| | - Baorong Feng
- The Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan City People's Hospital, Qingyuan, Guangdong, China
| | - Zihong Ma
- The Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan City People's Hospital, Qingyuan, Guangdong, China
| | - Ying Wu
- The Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan City People's Hospital, Qingyuan, Guangdong, China
| | - Yu Zeng
- The Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan City People's Hospital, Qingyuan, Guangdong, China
| | - Jiahao Cai
- The Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan City People's Hospital, Qingyuan, Guangdong, China
| | - Da-Wei Zhang
- Group on the Molecular and Cell Biology of Lipids and Department of Pediatrics, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, Canada.
| | - Guojun Zhao
- The Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan City People's Hospital, Qingyuan, Guangdong, China.
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30
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Colpman P, Dasgupta A, Archer SL. The Role of Mitochondrial Dynamics and Mitotic Fission in Regulating the Cell Cycle in Cancer and Pulmonary Arterial Hypertension: Implications for Dynamin-Related Protein 1 and Mitofusin2 in Hyperproliferative Diseases. Cells 2023; 12:1897. [PMID: 37508561 PMCID: PMC10378656 DOI: 10.3390/cells12141897] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Revised: 07/14/2023] [Accepted: 07/18/2023] [Indexed: 07/30/2023] Open
Abstract
Mitochondria, which generate ATP through aerobic respiration, also have important noncanonical functions. Mitochondria are dynamic organelles, that engage in fission (division), fusion (joining) and translocation. They also regulate intracellular calcium homeostasis, serve as oxygen-sensors, regulate inflammation, participate in cellular and organellar quality control and regulate the cell cycle. Mitochondrial fission is mediated by the large GTPase, dynamin-related protein 1 (Drp1) which, when activated, translocates to the outer mitochondrial membrane (OMM) where it interacts with binding proteins (Fis1, MFF, MiD49 and MiD51). At a site demarcated by the endoplasmic reticulum, fission proteins create a macromolecular ring that divides the organelle. The functional consequence of fission is contextual. Physiological fission in healthy, nonproliferating cells mediates organellar quality control, eliminating dysfunctional portions of the mitochondria via mitophagy. Pathological fission in somatic cells generates reactive oxygen species and triggers cell death. In dividing cells, Drp1-mediated mitotic fission is critical to cell cycle progression, ensuring that daughter cells receive equitable distribution of mitochondria. Mitochondrial fusion is regulated by the large GTPases mitofusin-1 (Mfn1) and mitofusin-2 (Mfn2), which fuse the OMM, and optic atrophy 1 (OPA-1), which fuses the inner mitochondrial membrane. Mitochondrial fusion mediates complementation, an important mitochondrial quality control mechanism. Fusion also favors oxidative metabolism, intracellular calcium homeostasis and inhibits cell proliferation. Mitochondrial lipids, cardiolipin and phosphatidic acid, also regulate fission and fusion, respectively. Here we review the role of mitochondrial dynamics in health and disease and discuss emerging concepts in the field, such as the role of central versus peripheral fission and the potential role of dynamin 2 (DNM2) as a fission mediator. In hyperproliferative diseases, such as pulmonary arterial hypertension and cancer, Drp1 and its binding partners are upregulated and activated, positing mitochondrial fission as an emerging therapeutic target.
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Affiliation(s)
- Pierce Colpman
- Department of Medicine, Queen's University, Kingston, ON K7L 3N6, Canada
| | - Asish Dasgupta
- Department of Medicine, Queen's University, Kingston, ON K7L 3N6, Canada
| | - Stephen L Archer
- Department of Medicine, Queen's University, Kingston, ON K7L 3N6, Canada
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31
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Prabhakaran HS, Hu D, He W, Luo G, Liou YC. Mitochondrial dysfunction and mitophagy: crucial players in burn trauma and wound healing. BURNS & TRAUMA 2023; 11:tkad029. [PMID: 37465279 PMCID: PMC10350398 DOI: 10.1093/burnst/tkad029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Revised: 03/10/2023] [Accepted: 04/28/2023] [Indexed: 07/20/2023]
Abstract
Burn injuries are a significant cause of death worldwide, leading to systemic inflammation, multiple organ failure and sepsis. The progression of burn injury is explicitly correlated with mitochondrial homeostasis, which is disrupted by the hyperinflammation induced by burn injury, leading to mitochondrial dysfunction and cell death. Mitophagy plays a crucial role in maintaining cellular homeostasis by selectively removing damaged mitochondria. A growing body of evidence from various disease models suggest that pharmacological interventions targeting mitophagy could be a promising therapeutic strategy. Recent studies have shown that mitophagy plays a crucial role in wound healing and burn injury. Furthermore, chemicals targeting mitophagy have also been shown to improve wound recovery, highlighting the potential for novel therapeutic strategies based on an in-depth exploration of the molecular mechanisms regulating mitophagy and its association with skin wound healing.
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Affiliation(s)
- Harshini Sheeja Prabhakaran
- Department of Biological Sciences, Faculty of Science, National University of Singapore, 14 Science drive 4, 117543 Singapore, Singapore
| | - Dongxue Hu
- Department of Biological Sciences, Faculty of Science, National University of Singapore, 14 Science drive 4, 117543 Singapore, Singapore
| | - Weifeng He
- State Key Laboratory of Trauma, Burn and Combined Injury, Institute of Burn Research, Southwest Hospital, Third Military Medical University (Army Medical University), Gao Tan Yan Zheng Street, Sha Ping Ba District, Chongqing, 400038, People's Republic of China
- Chongqing Key Laboratory for Disease Proteomics, Gao Tan Yan Zheng Street, Sha Ping Ba District, Chongqing, 400038, People's Republic of China
| | - Gaoxing Luo
- State Key Laboratory of Trauma, Burn and Combined Injury, Institute of Burn Research, Southwest Hospital, Third Military Medical University (Army Medical University), Gao Tan Yan Zheng Street, Sha Ping Ba District, Chongqing, 400038, People's Republic of China
- Chongqing Key Laboratory for Disease Proteomics, Gao Tan Yan Zheng Street, Sha Ping Ba District, Chongqing, 400038, People's Republic of China
| | - Yih-Cherng Liou
- Department of Biological Sciences, Faculty of Science, National University of Singapore, 14 Science drive 4, 117543 Singapore, Singapore
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32
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Wang Y, Xia Y, Kou L, Yin S, Chi X, Li J, Sun Y, Wu J, Zhou Q, Zou W, Jin Z, Huang J, Xiong N, Wang T. Astrocyte-to-neuron reprogramming and crosstalk in the treatment of Parkinson's disease. Neurobiol Dis 2023:106224. [PMID: 37433411 DOI: 10.1016/j.nbd.2023.106224] [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: 05/03/2023] [Revised: 06/24/2023] [Accepted: 07/07/2023] [Indexed: 07/13/2023] Open
Abstract
Parkinson's disease (PD) is currently the fastest growing disabling neurological disorder worldwide, with motor and non-motor symptoms being its main clinical manifestations. The primary pathological features include a reduction in the number of dopaminergic neurons in the substantia nigra and decrease in dopamine levels in the nigrostriatal pathway. Existing treatments only alleviate clinical symptoms and do not stop disease progression; slowing down the loss of dopaminergic neurons and stimulating their regeneration are emerging therapies. Preclinical studies have demonstrated that transplantation of dopamine cells generated from human embryonic or induced pluripotent stem cells can restore the loss of dopamine. However, the application of cell transplantation is limited owing to ethical controversies and the restricted source of cells. Until recently, the reprogramming of astrocytes to replenish lost dopaminergic neurons has provided a promising alternative therapy for PD. In addition, repair of mitochondrial perturbations, clearance of damaged mitochondria in astrocytes, and control of astrocyte inflammation may be extensively neuroprotective and beneficial against chronic neuroinflammation in PD. Therefore, this review primarily focuses on the progress and remaining issues in astrocyte reprogramming using transcription factors (TFs) and miRNAs, as well as exploring possible new targets for treating PD by repairing astrocytic mitochondria and reducing astrocytic inflammation.
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Affiliation(s)
- Yiming Wang
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Yun Xia
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Liang Kou
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Sijia Yin
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Xiaosa Chi
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Jingwen Li
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Yadi Sun
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Jiawei Wu
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Qiulu Zhou
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Wenkai Zou
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Zongjie Jin
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Jinsha Huang
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Nian Xiong
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Tao Wang
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China.
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Zaninelli TH, Martelossi-Cebinelli G, Saraiva-Santos T, Borghi SM, Fattori V, Casagrande R, Verri WA. New drug targets for the treatment of gout arthritis: what's new? Expert Opin Ther Targets 2023; 27:679-703. [PMID: 37651647 DOI: 10.1080/14728222.2023.2247559] [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: 04/12/2023] [Revised: 06/14/2023] [Accepted: 08/09/2023] [Indexed: 09/02/2023]
Abstract
INTRODUCTION Gout arthritis (GA) is an intermittent inflammatory disease affecting approximately 10% of the worldwide population. Symptomatic phases (acute flares) are timely spaced by asymptomatic periods. During an acute attack, redness, joint swelling, limited movement, and excruciating pain are common symptoms. However, the current available therapies are not fully effective in reducing symptoms and offer numerous side effects. Therefore, unveiling new drug targets and effector molecules are required in developing novel GA therapeutics. AREAS COVERED This review discusses the pathophysiological mechanisms of GA and explores potential pharmacological targets to ameliorate disease outcome. In addition, we listed promising pre-clinical studies demonstrating effector molecules with therapeutical potential. Among those, we emphasized the importance of natural products, including traditional Chinese medicine formulas and their multitarget mechanisms of action. EXPERT OPINION In our search, we observed that there is a massive gap between pre-clinical and clinical knowledge. Only a minority (4.4%) of clinical trials aimed to intervene by applying natural products or current hot targets described herein. In this sense, we envisage four possibilities for GA therapeutics, which include the repurposing of existing therapies, ALX/FPR2 agonism for improvement in disease outcome, the use of multitarget drugs (e.g. natural products), and targeting the neuroinflammatory component of GA.
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Affiliation(s)
- Tiago H Zaninelli
- Laboratory of Pain, Inflammation, Neuropathy, and Cancer, Department of Pathology, Centre of Biological Sciences, Londrina State University, Londrina, Paraná, Brazil
| | - Geovana Martelossi-Cebinelli
- Laboratory of Pain, Inflammation, Neuropathy, and Cancer, Department of Pathology, Centre of Biological Sciences, Londrina State University, Londrina, Paraná, Brazil
| | - Telma Saraiva-Santos
- Laboratory of Pain, Inflammation, Neuropathy, and Cancer, Department of Pathology, Centre of Biological Sciences, Londrina State University, Londrina, Paraná, Brazil
| | - Sergio M Borghi
- Laboratory of Pain, Inflammation, Neuropathy, and Cancer, Department of Pathology, Centre of Biological Sciences, Londrina State University, Londrina, Paraná, Brazil
- Center for Research in Health Sciences, University of Northern Londrina, Londrina, Brazil
| | - Victor Fattori
- Laboratory of Pain, Inflammation, Neuropathy, and Cancer, Department of Pathology, Centre of Biological Sciences, Londrina State University, Londrina, Paraná, Brazil
- Vascular Biology Program, Department of Surgery, Boston Children's Hospital-Harvard Medical School, Karp Research Building, Boston, MA, USA
| | - Rubia Casagrande
- Laboratory of Antioxidants and Inflammation, Department of Pharmaceutical Sciences, Centre of Health Sciences, Londrina State University, Londrina, Brazil
| | - Waldiceu A Verri
- Laboratory of Pain, Inflammation, Neuropathy, and Cancer, Department of Pathology, Centre of Biological Sciences, Londrina State University, Londrina, Paraná, Brazil
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34
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Chen S, Ma J, Yin P, Liang F. The landscape of mitophagy in sepsis reveals PHB1 as an NLRP3 inflammasome inhibitor. Front Immunol 2023; 14:1188482. [PMID: 37359543 PMCID: PMC10285102 DOI: 10.3389/fimmu.2023.1188482] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Accepted: 05/17/2023] [Indexed: 06/28/2023] Open
Abstract
Mitophagy is a selective autophagy targeting damaged and potential cytotoxic mitochondria, which can effectively prevent excessive cytotoxic production from damaged mitochondria and alleviate the inflammatory response. However, the potential role of mitophagy in sepsis remains poorly explored. Here, we studied the role of mitophagy in sepsis and its immune heterogeneity. By performing mitophagy-related typing on 348 sepsis samples, three clusters (A, B, and C) were obtained. Cluster A had the highest degree of mitophagy accompanied by lowest disease severity, while cluster C had the lowest degree of mitophagy with the highest disease severity. The three clusters had unique immune characteristics. We further revealed that the expression of PHB1 in these three clusters was significantly different and negatively correlated with the severity of sepsis, suggesting that PHB1 was involved in the development of sepsis. It has been reported that impaired mitophagy leads to the over-activation of inflammasomes, which promotes sepsis development. Further analysis showed that the expressions of NLRP3 inflammasomes core genes in cluster C were significantly up-regulated and negatively correlated with PHB1. Next, we verified whether PHB1 downregulation caused the activation of inflammasomes and found that the PHB1 knockdown increased the levels of mtDNA in the cytoplasm and enhanced the activation of NLRP3 inflammasomes. In addition, mitophagy inhibitor treatment abolished PHB1 knockdown-mediated activation of NLRP3 inflammasomes, suggesting that PHB1 inhibited the activation of inflammasomes through mitophagy. In conclusion, this study reveals that a high degree of mitophagy may predict a good outcome of sepsis, and PHB1 is a key NLRP3 inflammasome regulator via mitophagy in inflammatory diseases such as sepsis.
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Affiliation(s)
- Shipeng Chen
- Department of Hematology and Critical Care Medicine, The Third Xiangya Hospital, Central South University, Changsha, Hunan, China
- Cancer Research Institute, Central South University, Changsha, Hunan, China
| | - Jinqi Ma
- Department of Blood Transfusion, The Third Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Ping Yin
- Department of Blood Transfusion, The Third Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Fang Liang
- Department of Hematology and Critical Care Medicine, The Third Xiangya Hospital, Central South University, Changsha, Hunan, China
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Zhang J, Xie S, Xiao R, Yang D, Zhan Z, Li Y. Identification of mitophagy-related biomarkers and immune infiltration in major depressive disorder. BMC Genomics 2023; 24:216. [PMID: 37098514 PMCID: PMC10131417 DOI: 10.1186/s12864-023-09304-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2022] [Accepted: 04/10/2023] [Indexed: 04/27/2023] Open
Abstract
BACKGROUND Major depressive disorder (MDD) is a life-threatening and debilitating mental health condition. Mitophagy, a form of selective autophagy that eliminates dysfunctional mitochondria, is associated with depression. However, studies on the relationship between mitophagy-related genes (MRGs) and MDD are scarce. This study aimed to identify potential mitophagy-related biomarkers for MDD and characterize the underlying molecular mechanisms. METHODS The gene expression profiles of 144 MDD samples and 72 normal controls were retrieved from the Gene Expression Omnibus database, and the MRGs were extracted from the GeneCards database. Consensus clustering was used to determine MDD clusters. Immune cell infiltration was evaluated using CIBERSORT. Functional enrichment analyses were performed to determine the biological significance of mitophagy-related differentially expressed genes (MR-DEGs). Weighted gene co-expression network analysis, along with a network of protein-protein interactions (PPI), was used to identify key modules and hub genes. Based on the least absolute shrinkage and selection operator analysis and univariate Cox regression analysis, a diagnostic model was constructed and evaluated using receiver operating characteristic curves and validated with training data and external validation data. We reclassified MDD into two molecular subtypes according to biomarkers and evaluated their expression levels. RESULTS In total, 315 MDD-related MR-DEGs were identified. Functional enrichment analyses revealed that MR-DEGs were mainly enriched in mitophagy-related biological processes and multiple neurodegenerative disease pathways. Two distinct clusters with diverse immune infiltration characteristics were identified in the 144 MDD samples. MATR3, ACTL6A, FUS, BIRC2, and RIPK1 have been identified as potential biomarkers of MDD. All biomarkers showed varying degrees of correlation with immune cells. In addition, two molecular subtypes with distinct mitophagy gene signatures were identified. CONCLUSIONS We identified a novel five-MRG gene signature that has excellent diagnostic performance and identified an association between MRGs and the immune microenvironment in MDD.
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Affiliation(s)
- Jing Zhang
- The Second Clinical Medical College, Guangzhou University of Chinese Medicine, Guangzhou, 510405, China
| | - Shujun Xie
- Department of Hematology and Oncology, The Third Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, 510378, China
| | - Rong Xiao
- Department of Rehabilitation, The Eighth People's Hospital of Hefei, Hefei, 238000, China
| | - Dongrong Yang
- Department of Psychological Sleep, Guangdong Provincial Hospital of Chinese Medicine, Guangzhou, 510120, China
| | - Zhi Zhan
- Department of Psychological Sleep, Guangdong Provincial Hospital of Chinese Medicine, Guangzhou, 510120, China
| | - Yan Li
- Department of Psychological Sleep, Guangdong Provincial Hospital of Chinese Medicine, Guangzhou, 510120, China.
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Van Huynh T, Rethi L, Rethi L, Chen CH, Chen YJ, Kao YH. The Complex Interplay between Imbalanced Mitochondrial Dynamics and Metabolic Disorders in Type 2 Diabetes. Cells 2023; 12:cells12091223. [PMID: 37174622 PMCID: PMC10177489 DOI: 10.3390/cells12091223] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Revised: 04/15/2023] [Accepted: 04/21/2023] [Indexed: 05/15/2023] Open
Abstract
Type 2 diabetes mellitus (T2DM) is a global burden, with an increasing number of people affected and increasing treatment costs. The advances in research and guidelines improve the management of blood glucose and related diseases, but T2DM and its complications are still a big challenge in clinical practice. T2DM is a metabolic disorder in which insulin signaling is impaired from reaching its effectors. Mitochondria are the "powerhouses" that not only generate the energy as adenosine triphosphate (ATP) using pyruvate supplied from glucose, free fatty acid (FFA), and amino acids (AA) but also regulate multiple cellular processes such as calcium homeostasis, redox balance, and apoptosis. Mitochondrial dysfunction leads to various diseases, including cardiovascular diseases, metabolic disorders, and cancer. The mitochondria are highly dynamic in adjusting their functions according to cellular conditions. The shape, morphology, distribution, and number of mitochondria reflect their function through various processes, collectively known as mitochondrial dynamics, including mitochondrial fusion, fission, biogenesis, transport, and mitophagy. These processes determine the overall mitochondrial health and vitality. More evidence supports the idea that dysregulated mitochondrial dynamics play essential roles in the pathophysiology of insulin resistance, obesity, and T2DM, as well as imbalanced mitochondrial dynamics found in T2DM. This review updates and discusses mitochondrial dynamics and the complex interactions between it and metabolic disorders.
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Affiliation(s)
- Tin Van Huynh
- International Ph.D. Program in Medicine, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan
- Department of Interventional Cardiology, Thong Nhat Hospital, Ho Chi Minh City 700000, Vietnam
| | - Lekha Rethi
- School of Biomedical Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei 11031, Taiwan
- International Ph.D. Program for Biomedical Engineering, Taipei Medical University, Taipei 11031, Taiwan
| | - Lekshmi Rethi
- International Ph.D. Program for Biomedical Engineering, Taipei Medical University, Taipei 11031, Taiwan
| | - Chih-Hwa Chen
- School of Biomedical Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei 11031, Taiwan
- Department of Orthopedics, Taipei Medical University-Shuang Ho Hospital, New Taipei City 23561, Taiwan
- School of Medicine, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan
| | - Yi-Jen Chen
- Graduate Institute of Clinical Medicine, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan
- Division of Cardiovascular Medicine, Department of Internal Medicine, Wan Fang Hospital, Taipei Medical University, Taipei 11031, Taiwan
| | - Yu-Hsun Kao
- Graduate Institute of Clinical Medicine, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan
- Department of Medical Education and Research, Wan Fang Hospital, Taipei Medical University, Taipei 11031, Taiwan
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Wang Y, Song D, Tang L. Mitophagy, Inflammasomes and Their Interaction in Kidney Diseases: A Comprehensive Review of Experimental Studies. J Inflamm Res 2023; 16:1457-1469. [PMID: 37042016 PMCID: PMC10083013 DOI: 10.2147/jir.s402290] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Accepted: 03/17/2023] [Indexed: 04/08/2023] Open
Abstract
Mitophagy is an important mechanism for mitochondrial quality control by regulating autophagosome-specific phagocytosis, degradation and clearance of damaged mitochondria, and involved in cell damage and diseases. Inflammasomes are important inflammation-related factors newly discovered in recent years, which are involved in cell innate immunity and inflammatory response, and play an important role in kidney diseases. Based on the current studies, we reviewed the progress of mitophagy, inflammasomes and their interaction in kidney diseases.
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Affiliation(s)
- Yulin Wang
- Department of Nephrology, Zhengzhou University First Affiliated Hospital, Zhengzhou, Henan, 450052, People’s Republic of China
| | - Dongxu Song
- Department of Nephrology, Zhengzhou University First Affiliated Hospital, Zhengzhou, Henan, 450052, People’s Republic of China
| | - Lin Tang
- Department of Nephrology, Zhengzhou University First Affiliated Hospital, Zhengzhou, Henan, 450052, People’s Republic of China
- Correspondence: Lin Tang, Department of Nephrology, Zhengzhou University First Affiliated Hospital, 1 Jianshe Road, Zhengzhou, Henan, 450052, People’s Republic of China, Email
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Nah J. The Role of Alternative Mitophagy in Heart Disease. Int J Mol Sci 2023; 24:ijms24076362. [PMID: 37047336 PMCID: PMC10094432 DOI: 10.3390/ijms24076362] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Revised: 03/24/2023] [Accepted: 03/27/2023] [Indexed: 03/30/2023] Open
Abstract
Autophagy is essential for maintaining cellular homeostasis through bulk degradation of subcellular constituents, including misfolded proteins and dysfunctional organelles. It is generally governed by the proteins Atg5 and Atg7, which are critical regulators of the conventional autophagy pathway. However, recent studies have identified an alternative Atg5/Atg7-independent pathway, i.e., Ulk1- and Rab9-mediated alternative autophagy. More intensive studies have identified its essential role in stress-induced mitochondrial autophagy, also known as mitophagy. Alternative mitophagy plays pathophysiological roles in heart diseases such as myocardial ischemia and pressure overload. Here, this review discusses the established and emerging mechanisms of alternative autophagy/mitophagy that can be applied in therapeutic interventions for heart disorders.
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Affiliation(s)
- Jihoon Nah
- Department of Biochemistry, Chungbuk National University, Chungdae-ro 1, Seowon-gu, Cheongju-si 28644, Chungcheongbuk-do, Republic of Korea
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Rubio-Tomás T, Sotiriou A, Tavernarakis N. The interplay between selective types of (macro)autophagy: Mitophagy and xenophagy. INTERNATIONAL REVIEW OF CELL AND MOLECULAR BIOLOGY 2023; 374:129-157. [PMID: 36858654 DOI: 10.1016/bs.ircmb.2022.10.003] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Autophagy is a physiological response, activated by a myriad of endogenous and exogenous cues, including DNA damage, perturbation of proteostasis, depletion of nutrients or oxygen and pathogen infection. Upon sensing those stimuli, cells employ multiple non-selective and selective autophagy pathways to promote fitness and survival. Importantly, there are a variety of selective types of autophagy. In this review we will focus on autophagy of bacteria (xenophagy) and autophagy of mitochondria (mitophagy). We provide a brief introduction to bulk autophagy, as well as xenophagy and mitophagy, highlighting their common molecular factors. We also describe the role of xenophagy and mitophagy in the detection and elimination of pathogens by the immune system and the adaptive mechanisms that some pathogens have developed through evolution to escape the host autophagic response. Finally, we summarize the recent articles (from the last five years) linking bulk autophagy with xenophagy and/or mitophagy in the context on developmental biology, cancer and metabolism.
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Affiliation(s)
- Teresa Rubio-Tomás
- Institute of Molecular Biology and Biotechnology, Foundation for Research and Technology-Hellas, Heraklion, Crete, Greece
| | - Aggeliki Sotiriou
- Institute of Molecular Biology and Biotechnology, Foundation for Research and Technology-Hellas, Heraklion, Crete, Greece; Division of Basic Sciences, School of Medicine, University of Crete, Heraklion, Crete, Greece
| | - Nektarios Tavernarakis
- Institute of Molecular Biology and Biotechnology, Foundation for Research and Technology-Hellas, Heraklion, Crete, Greece; Division of Basic Sciences, School of Medicine, University of Crete, Heraklion, Crete, Greece.
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40
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Shin JM, Lee YY, Hong D, Jung KE, Seo YJ, Kim CD, Yang H, Lee Y. Baricitinib Attenuates IFN-γ and Polyinosinic:polycytidylic Acid‒Induced Mitochondrial Damage and Inflammasome Activation in Human Keratinocytes. J Invest Dermatol 2023; 143:513-517.e2. [PMID: 36037928 DOI: 10.1016/j.jid.2022.08.033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Revised: 07/28/2022] [Accepted: 08/03/2022] [Indexed: 10/15/2022]
Affiliation(s)
- Jung-Min Shin
- Department of Dermatology, School of Medicine, Chungnam National University, Daejeon, Republic of Korea
| | - Young-Yoon Lee
- Department of Dermatology, School of Medicine, Chungnam National University, Daejeon, Republic of Korea
| | - Dongkyun Hong
- Department of Dermatology, School of Medicine, Chungnam National University, Daejeon, Republic of Korea
| | - Kyung-Eun Jung
- Department of Dermatology, School of Medicine, Chungnam National University, Daejeon, Republic of Korea
| | - Young-Joon Seo
- Department of Dermatology, School of Medicine, Chungnam National University, Daejeon, Republic of Korea
| | - Chang Deok Kim
- Department of Dermatology, School of Medicine, Chungnam National University, Daejeon, Republic of Korea
| | - Hanseul Yang
- Department of Biological Sciences, Korea Advanced Institute of Science and Technology, Daejeon, Republic of Korea
| | - Young Lee
- Department of Dermatology, School of Medicine, Chungnam National University, Daejeon, Republic of Korea.
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Chatzinikita E, Maridaki M, Palikaras K, Koutsilieris M, Philippou A. The Role of Mitophagy in Skeletal Muscle Damage and Regeneration. Cells 2023; 12:716. [PMID: 36899852 PMCID: PMC10000750 DOI: 10.3390/cells12050716] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Revised: 02/18/2023] [Accepted: 02/22/2023] [Indexed: 02/26/2023] Open
Abstract
Mitochondria are cellular organelles that play an essential role in generating the chemical energy needed for the biochemical reactions in cells. Mitochondrial biogenesis, i.e., de novo mitochondria formation, results in enhanced cellular respiration, metabolic processes, and ATP generation, while autophagic clearance of mitochondria (mitophagy) is required to remove damaged or useless mitochondria. The balance between the opposing processes of mitochondrial biogenesis and mitophagy is highly regulated and crucial for the maintenance of the number and function of mitochondria as well as for the cellular homeostasis and adaptations to metabolic demands and extracellular stimuli. In skeletal muscle, mitochondria are essential for maintaining energy homeostasis, and the mitochondrial network exhibits complex behaviors and undergoes dynamic remodeling in response to various conditions and pathologies characterized by changes in muscle cell structure and metabolism, such as exercise, muscle damage, and myopathies. In particular, the involvement of mitochondrial remodeling in mediating skeletal muscle regeneration following damage has received increased attention, as modifications in mitophagy-related signals arise from exercise, while variations in mitochondrial restructuring pathways can lead to partial regeneration and impaired muscle function. Muscle regeneration (through myogenesis) following exercise-induced damage is characterized by a highly regulated, rapid turnover of poor-functioning mitochondria, permitting the synthesis of better-functioning mitochondria to occur. Nevertheless, essential aspects of mitochondrial remodeling during muscle regeneration remain poorly understood and warrant further characterization. In this review, we focus on the critical role of mitophagy for proper muscle cell regeneration following damage, highlighting the molecular mechanisms of the mitophagy-associated mitochondrial dynamics and network reformation.
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Affiliation(s)
- Eirini Chatzinikita
- Department of Physiology, Medical School, National and Kapodistrian University of Athens, 115 27 Athens, Greece
| | - Maria Maridaki
- Faculty of Physical Education and Sport Science, National and Kapodistrian University of Athens, 172 37 Athens, Greece
| | - Konstantinos Palikaras
- Department of Physiology, Medical School, National and Kapodistrian University of Athens, 115 27 Athens, Greece
| | - Michael Koutsilieris
- Department of Physiology, Medical School, National and Kapodistrian University of Athens, 115 27 Athens, Greece
| | - Anastassios Philippou
- Department of Physiology, Medical School, National and Kapodistrian University of Athens, 115 27 Athens, Greece
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42
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Kim S, Pajarillo E, Nyarko-Danquah I, Aschner M, Lee E. Role of Astrocytes in Parkinson's Disease Associated with Genetic Mutations and Neurotoxicants. Cells 2023; 12:622. [PMID: 36831289 PMCID: PMC9953822 DOI: 10.3390/cells12040622] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Revised: 02/02/2023] [Accepted: 02/09/2023] [Indexed: 02/17/2023] Open
Abstract
Parkinson's disease (PD) is a neurodegenerative disorder characterized by the loss of dopaminergic neurons and the aggregation of Lewy bodies in the basal ganglia, resulting in movement impairment referred to as parkinsonism. However, the etiology of PD is not well known, with genetic factors accounting only for 10-15% of all PD cases. The pathogenetic mechanism of PD is not completely understood, although several mechanisms, such as oxidative stress and inflammation, have been suggested. Understanding the mechanisms of PD pathogenesis is critical for developing highly efficacious therapeutics. In the PD brain, dopaminergic neurons degenerate mainly in the basal ganglia, but recently emerging evidence has shown that astrocytes also significantly contribute to dopaminergic neuronal death. In this review, we discuss the role of astrocytes in PD pathogenesis due to mutations in α-synuclein (PARK1), DJ-1 (PARK7), parkin (PARK2), leucine-rich repeat kinase 2 (LRRK2, PARK8), and PTEN-induced kinase 1 (PINK1, PARK6). We also discuss PD experimental models using neurotoxins, such as paraquat, rotenone, 6-hydroxydopamine, and MPTP/MPP+. A more precise and comprehensive understanding of astrocytes' modulatory roles in dopaminergic neurodegeneration in PD will help develop novel strategies for effective PD therapeutics.
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Affiliation(s)
- Sanghoon Kim
- Department of Pharmaceutical Science, College of Pharmacy and Pharmaceutical Sciences, Florida A&M University, Tallahassee, FL 32307, USA
| | - Edward Pajarillo
- Department of Pharmaceutical Science, College of Pharmacy and Pharmaceutical Sciences, Florida A&M University, Tallahassee, FL 32307, USA
| | - Ivan Nyarko-Danquah
- Department of Pharmaceutical Science, College of Pharmacy and Pharmaceutical Sciences, Florida A&M University, Tallahassee, FL 32307, USA
| | - Michael Aschner
- Department of Molecular Pharmacology, Albert Einstein College of Medicine, Bronx, New York, NY 10461, USA
| | - Eunsook Lee
- Department of Pharmaceutical Science, College of Pharmacy and Pharmaceutical Sciences, Florida A&M University, Tallahassee, FL 32307, USA
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Deciphering the Molecular Mechanism of Yifei-Sanjie Pill in Cancer-Related Fatigue. JOURNAL OF ONCOLOGY 2023; 2023:5486017. [PMID: 36814560 PMCID: PMC9940949 DOI: 10.1155/2023/5486017] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Revised: 10/25/2022] [Accepted: 11/24/2022] [Indexed: 02/15/2023]
Abstract
Background The incidence of cancer-related fatigue (CRF) is increasing, but its lack of clear pathogenesis makes its prevention and treatment difficult. Therefore, it is of great significance to clarify the pathogenesis of CRF and find effective methods to treat it. Methods The CRF model was established by intraperitoneal injection of LLC cells in ICR mice to explore the pathogenesis of CRF and verify the therapeutic effect of the Yifei-Sanjie pill (YFSJ). The active components of YFSJ were found by LC/MS, the in vitro inflammatory infiltration model of skeletal muscle was constructed by TNF-α and C2C12 myoblasts, and the results of in vivo experiments were verified by this model. Results Behavioral analysis results showed that YFSJ alleviated CRF; histological examination results showed that YFSJ could reverse the tumor microenvironment leading to skeletal muscle injury; ELISA and RNA-seq results showed that the occurrence of CRF and the therapeutic effect of YFSJ were closely related to the tumor inflammatory microenvironment; IHC and WB results showed that the occurrence of CRF and the therapeutic effect of YFSJ were closely related to the Stat3-related signaling pathway and autophagy. Conclusions YFSJ can reduce the level of inflammation in the tumor microenvironment in vivo, inhibit the abnormal activation of the Stat3/HIF-1α/BNIP3 signaling pathway induced by tumor-related inflammation, thereby inhibiting the overactivation of mitophagy in skeletal muscle, and finally alleviate CRF. Quercetin, one of the components of YFSJ, plays an important role in inhibiting the phosphorylation activation of Stat3.
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Zhang RD, Chen C, Wang P, Fang Y, Jiang LQ, Fang X, Zhao Y, Ni J, Wang DG, Pan HF. Air pollution exposure and auto-inflammatory and autoimmune diseases of the musculoskeletal system: a review of epidemiologic and mechanistic evidence. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2023:10.1007/s10653-023-01495-x. [PMID: 36735155 DOI: 10.1007/s10653-023-01495-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Accepted: 01/24/2023] [Indexed: 06/18/2023]
Abstract
Auto-inflammatory and autoimmune diseases of the musculoskeletal system can be perceived as a spectrum of rheumatic diseases, with the joints and connective tissues are eroded severely that progressively develop chronic inflammation and lesion. A wide range of risk factors represented by genetic and environmental factors have been uncovered by population-based surveys and experimental studies. Lately, the exposure to air pollution has been found to be potentially involved in the mechanisms of occurrence or development of such diseases, principally manifest in oxidative stress, local and systemic inflammation, and epigenetic modifications, as well as the mitochondrial dysfunction, which has been reported to participate in the intermediate links. The lungs might serve as a starting area of air pollutants, which would cause oxidative stress-induced bronchial-associated lymphoid tissue (iBALT) to further to influence T, B cells, and the secretion of pro-inflammatory cytokines. The binding of aromatic hydrocarbon receptor (AhR) to the corresponding contaminant ligands tends to regulate the reaction of Th17 and Tregs. Furthermore, air pollution components might spur on immune and inflammatory responses by damaging mitochondria that could interact with and exacerbate oxidative stress and pro-inflammatory cytokines. In this review, we focused on the association between air pollution and typical auto-inflammatory and autoimmune diseases of the musculoskeletal system, mainly including osteoarthritis (OA), rheumatoid arthritis (RA), spondyloarthritis (SpA) and juvenile idiopathic arthritis (JIA), and aim to collate the mechanisms involved and the potential channels. A complete summary and in-depth understanding of the autoimmune and inflammatory effects of air pollution exposure should hopefully contribute new perspectives on how to formulate better public health policies to alleviate the adverse health effects of air pollutants.
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Affiliation(s)
- Ruo-Di Zhang
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei, 230032, Anhui, People's Republic of China
- Institute of Kidney Disease, Inflammation and Immunity Mediated Diseases, The Second Hospital of Anhui Medical University, Hefei, 230032, Anhui, People's Republic of China
| | - Cong Chen
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei, 230032, Anhui, People's Republic of China
- Institute of Kidney Disease, Inflammation and Immunity Mediated Diseases, The Second Hospital of Anhui Medical University, Hefei, 230032, Anhui, People's Republic of China
| | - Peng Wang
- Institute of Kidney Disease, Inflammation and Immunity Mediated Diseases, The Second Hospital of Anhui Medical University, Hefei, 230032, Anhui, People's Republic of China
- Teaching Center for Preventive Medicine, School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei, 230032, Anhui, People's Republic of China
| | - Yang Fang
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei, 230032, Anhui, People's Republic of China
- Institute of Kidney Disease, Inflammation and Immunity Mediated Diseases, The Second Hospital of Anhui Medical University, Hefei, 230032, Anhui, People's Republic of China
| | - Ling-Qiong Jiang
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei, 230032, Anhui, People's Republic of China
- Institute of Kidney Disease, Inflammation and Immunity Mediated Diseases, The Second Hospital of Anhui Medical University, Hefei, 230032, Anhui, People's Republic of China
| | - Xi Fang
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei, 230032, Anhui, People's Republic of China
- Institute of Kidney Disease, Inflammation and Immunity Mediated Diseases, The Second Hospital of Anhui Medical University, Hefei, 230032, Anhui, People's Republic of China
| | - Yan Zhao
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei, 230032, Anhui, People's Republic of China
- Institute of Kidney Disease, Inflammation and Immunity Mediated Diseases, The Second Hospital of Anhui Medical University, Hefei, 230032, Anhui, People's Republic of China
| | - Jing Ni
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei, 230032, Anhui, People's Republic of China
- Institute of Kidney Disease, Inflammation and Immunity Mediated Diseases, The Second Hospital of Anhui Medical University, Hefei, 230032, Anhui, People's Republic of China
| | - De-Guang Wang
- Institute of Kidney Disease, Inflammation and Immunity Mediated Diseases, The Second Hospital of Anhui Medical University, Hefei, 230032, Anhui, People's Republic of China
- Department of Nephrology, The Second Hospital of Anhui Medical University, Hefei, 230032, Anhui, People's Republic of China
| | - Hai-Feng Pan
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei, 230032, Anhui, People's Republic of China.
- Institute of Kidney Disease, Inflammation and Immunity Mediated Diseases, The Second Hospital of Anhui Medical University, Hefei, 230032, Anhui, People's Republic of China.
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Chemical mimetics of the N-degron pathway alleviate systemic inflammation by activating mitophagy and immunometabolic remodeling. Exp Mol Med 2023; 55:333-346. [PMID: 36720915 PMCID: PMC9981610 DOI: 10.1038/s12276-023-00929-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Revised: 10/19/2022] [Accepted: 11/04/2022] [Indexed: 02/02/2023] Open
Abstract
The Arg/N-degron pathway, which is involved in the degradation of proteins bearing an N-terminal signal peptide, is connected to p62/SQSTM1-mediated autophagy. However, the impact of the molecular link between the N-degron and autophagy pathways is largely unknown in the context of systemic inflammation. Here, we show that chemical mimetics of the N-degron Nt-Arg pathway (p62 ligands) decreased mortality in sepsis and inhibited pathological inflammation by activating mitophagy and immunometabolic remodeling. The p62 ligands alleviated systemic inflammation in a mouse model of lipopolysaccharide (LPS)-induced septic shock and in the cecal ligation and puncture model of sepsis. In macrophages, the p62 ligand attenuated the production of proinflammatory cytokines and chemokines in response to various innate immune stimuli. Mechanistically, the p62 ligand augmented LPS-induced mitophagy and inhibited the production of mitochondrial reactive oxygen species in macrophages. The p62 ligand-mediated anti-inflammatory, antioxidative, and mitophagy-activating effects depended on p62. In parallel, the p62 ligand significantly downregulated the LPS-induced upregulation of aerobic glycolysis and lactate production. Together, our findings demonstrate that p62 ligands play a critical role in the regulation of inflammatory responses by orchestrating mitophagy and immunometabolic remodeling.
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Li Y, Yang S, Jin X, Li D, Lu J, Wang X, Wu M. Mitochondria as novel mediators linking gut microbiota to atherosclerosis that is ameliorated by herbal medicine: A review. Front Pharmacol 2023; 14:1082817. [PMID: 36733506 PMCID: PMC9886688 DOI: 10.3389/fphar.2023.1082817] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Accepted: 01/06/2023] [Indexed: 01/18/2023] Open
Abstract
Atherosclerosis (AS) is the main cause of cardiovascular disease (CVD) and is characterized by endothelial damage, lipid deposition, and chronic inflammation. Gut microbiota plays an important role in the occurrence and development of AS by regulating host metabolism and immunity. As human mitochondria evolved from primordial bacteria have homologous characteristics, they are attacked by microbial pathogens as target organelles, thus contributing to energy metabolism disorders, oxidative stress, and apoptosis. Therefore, mitochondria may be a key mediator of intestinal microbiota disorders and AS aggravation. Microbial metabolites, such as short-chain fatty acids, trimethylamine, hydrogen sulfide, and bile acids, also affect mitochondrial function, including mtDNA mutation, oxidative stress, and mitophagy, promoting low-grade inflammation. This further damages cellular homeostasis and the balance of innate immunity, aggravating AS. Herbal medicines and their monomers can effectively ameliorate the intestinal flora and their metabolites, improve mitochondrial function, and inhibit atherosclerotic plaques. This review focuses on the interaction between gut microbiota and mitochondria in AS and explores a therapeutic strategy for restoring mitochondrial function and intestinal microbiota disorders using herbal medicines, aiming to provide new insights for the prevention and treatment of AS.
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Affiliation(s)
- Yujuan Li
- Guang’an Men Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Shengjie Yang
- Guang’an Men Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Xiao Jin
- Guang’an Men Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Dan Li
- Guang’an Men Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Jing Lu
- Guang’an Men Hospital, China Academy of Chinese Medical Sciences, Beijing, China,Beijing University of Chinese Medicine, Beijing, China
| | - Xinyue Wang
- Guang’an Men Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Min Wu
- Guang’an Men Hospital, China Academy of Chinese Medical Sciences, Beijing, China,*Correspondence: Min Wu,
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Chirumbolo S, Tirelli U, Franzini M, Pandolfi S, Ricevuti G, Vaiano F, Valdenassi L. Ozone in the adjunct medical treatment. The round personality of a molecule with hormetic properties. Hum Exp Toxicol 2023; 42:9603271231218926. [PMID: 38073286 DOI: 10.1177/09603271231218926] [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] [Indexed: 12/18/2023]
Abstract
Ozone, an allotrope of oxygen, is enjoying an increasing interest in the setting and management of the medical adjunct treatment, which is called, maybe too simplistically, "ozone therapy". Ozone is not a medicine, so the word therapy does not properly fit this gaseous molecule. Like many natural compounds, for example plant flavonoids, even ozone interacts with aryl hydrocarbon receptors (AhRs) and, at low doses, it works according to the paradoxical mechanism of hormesis, involving mitochondria (mitohormesis). Ozone, in the hormetic range, exerts cell protective functions via the Nrf2-mediated activation of the anti-oxidant system, then leading to anti-inflammatory effects, also via the triggering of low doses of 4-HNE. Moreover, its interaction with plasma and lipids forms reactive oxygen species (ROS) and lipoperoxides (LPOs), generally called ozonides, which are enabled to rule the major molecular actions of ozone in the cell. Ozone behaves as a bioregulator, by activating a wide population of reactive intermediates, which usually target mitochondria and their turnover/biogenesis, often leading to a pleiotropic spectrum of actions and behaving as a tuner of the fundamental mechanisms of survival in the cell. In this sense, ozone can be considered a novelty in the medical sciences and in the clinical approach to pharmacology and medical therapy, due to its ability to target complex regulatory systems and not simple receptors.
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Affiliation(s)
- Salvatore Chirumbolo
- Department of Engineering for Innovation Medicine, University of Verona, Verona, Italy
| | | | - Marianno Franzini
- Italian Scientific Society of Oxygen Ozone Therapy (SIOOT) and High Master School in Oxygen Ozone Therapy, University of Pavia, Pavia, Italy
| | - Sergio Pandolfi
- Italian Scientific Society of Oxygen Ozone Therapy (SIOOT) and High Master School in Oxygen Ozone Therapy, University of Pavia, Pavia, Italy
| | | | - Francesco Vaiano
- Italian Scientific Society of Oxygen Ozone Therapy (SIOOT) and High Master School in Oxygen Ozone Therapy, University of Pavia, Pavia, Italy
| | - Luigi Valdenassi
- Italian Scientific Society of Oxygen Ozone Therapy (SIOOT) and High Master School in Oxygen Ozone Therapy, University of Pavia, Pavia, Italy
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Lu Y, Li Z, Zhang S, Zhang T, Liu Y, Zhang L. Cellular mitophagy: Mechanism, roles in diseases and small molecule pharmacological regulation. Theranostics 2023; 13:736-766. [PMID: 36632220 PMCID: PMC9830443 DOI: 10.7150/thno.79876] [Citation(s) in RCA: 103] [Impact Index Per Article: 103.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Accepted: 12/23/2022] [Indexed: 01/06/2023] Open
Abstract
Cellular mitophagy means that cells selectively wrap and degrade damaged mitochondria through an autophagy mechanism, thus maintaining mitochondria and intracellular homeostasis. In recent years, mitophagy has received increasing attention as a research hotspot related to the pathogenesis of clinical diseases, such as neurodegenerative diseases, cardiovascular diseases, cancer, metabolic diseases, and so on. It has been found that the regulation of mitophagy may become a new direction for the treatment of some diseases. In addition, numerous small molecule modulators of mitophagy have also been reported, which provides new opportunities to comprehend the procedure and potential of therapeutic development. Taken together, in this review, we summarize current understanding of the mechanism of mitophagy, discuss the roles of mitophagy and its relationship with diseases, introduce the existing small-molecule pharmacological modulators of mitophagy and further highlight the significance of their development.
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Affiliation(s)
- Yingying Lu
- Sichuan Engineering Research Center for Biomimetic Synthesis of Natural Drugs, School of Life Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China
| | - Zhijia Li
- Sichuan Engineering Research Center for Biomimetic Synthesis of Natural Drugs, School of Life Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China
| | - Shuangqian Zhang
- Sichuan Engineering Research Center for Biomimetic Synthesis of Natural Drugs, School of Life Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China
| | - Tongtong Zhang
- The Center of Gastrointestinal and Minimally Invasive Surgery, Department of General Surgery, The Third People's Hospital of Chengdu, The Affiliated Hospital of Southwest Jiaotong University, Chengdu 610031, China,Medical Research Center, The Third People's Hospital of Chengdu, The Affiliated Hospital of Southwest Jiaotong University, Chengdu 610031, China
| | - Yanjun Liu
- The Center of Gastrointestinal and Minimally Invasive Surgery, Department of General Surgery, The Third People's Hospital of Chengdu, The Affiliated Hospital of Southwest Jiaotong University, Chengdu 610031, China,Medical Research Center, The Third People's Hospital of Chengdu, The Affiliated Hospital of Southwest Jiaotong University, Chengdu 610031, China,✉ Corresponding authors: Yanjun Liu, E-mail: ; Lan Zhang, E-mail:
| | - Lan Zhang
- Sichuan Engineering Research Center for Biomimetic Synthesis of Natural Drugs, School of Life Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China,✉ Corresponding authors: Yanjun Liu, E-mail: ; Lan Zhang, E-mail:
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Bui TA, Jickling GC, Winship IR. Neutrophil dynamics and inflammaging in acute ischemic stroke: A transcriptomic review. Front Aging Neurosci 2022; 14:1041333. [PMID: 36620775 PMCID: PMC9813499 DOI: 10.3389/fnagi.2022.1041333] [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: 09/10/2022] [Accepted: 11/28/2022] [Indexed: 12/24/2022] Open
Abstract
Stroke is among the leading causes of death and disability worldwide. Restoring blood flow through recanalization is currently the only acute treatment for cerebral ischemia. Unfortunately, many patients that achieve a complete recanalization fail to regain functional independence. Recent studies indicate that activation of peripheral immune cells, particularly neutrophils, may contribute to microcirculatory failure and futile recanalization. Stroke primarily affects the elderly population, and mortality after endovascular therapies is associated with advanced age. Previous analyses of differential gene expression across injury status and age identify ischemic stroke as a complex age-related disease. It also suggests robust interactions between stroke injury, aging, and inflammation on a cellular and molecular level. Understanding such interactions is crucial in developing effective protective treatments. The global stroke burden will continue to increase with a rapidly aging human population. Unfortunately, the mechanisms of age-dependent vulnerability are poorly defined. In this review, we will discuss how neutrophil-specific gene expression patterns may contribute to poor treatment responses in stroke patients. We will also discuss age-related transcriptional changes that may contribute to poor clinical outcomes and greater susceptibility to cerebrovascular diseases.
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Affiliation(s)
- Truong An Bui
- Neuroscience and Mental Health Institute, University of Alberta, Edmonton, AB, Canada
| | - Glen C. Jickling
- Neuroscience and Mental Health Institute, University of Alberta, Edmonton, AB, Canada,Department of Medicine, Division of Neurology, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, AB, Canada
| | - Ian R. Winship
- Neuroscience and Mental Health Institute, University of Alberta, Edmonton, AB, Canada,Neuroscience and Mental Health Institute, University of Alberta, Edmonton, AB, Canada,*Correspondence: Ian R. Winship,
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Zhu W, Wang C, Xue L, Liu L, Yang X, Liu Z, Zhang S, Luo D. The SMYD3-MTHFD1L-formate metabolic regulatory axis mediates mitophagy to inhibit M1 polarization in macrophages. Int Immunopharmacol 2022; 113:109352. [DOI: 10.1016/j.intimp.2022.109352] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2022] [Revised: 10/07/2022] [Accepted: 10/11/2022] [Indexed: 11/05/2022]
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