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Wu K, Shieh JS, Qin L, Guo JJ. Mitochondrial mechanisms in the pathogenesis of chronic inflammatory musculoskeletal disorders. Cell Biosci 2024; 14:76. [PMID: 38849951 PMCID: PMC11162051 DOI: 10.1186/s13578-024-01259-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2024] [Accepted: 05/29/2024] [Indexed: 06/09/2024] Open
Abstract
Chronic inflammatory musculoskeletal disorders characterized by prolonged muscle inflammation, resulting in enduring pain and diminished functionality, pose significant challenges for the patients. Emerging scientific evidence points to mitochondrial malfunction as a pivotal factor contributing to these ailments. Mitochondria play a critical role in powering skeletal muscle activity, but in the context of persistent inflammation, disruptions in their quantity, configuration, and performance have been well-documented. Various disturbances, encompassing alterations in mitochondrial dynamics (such as fission and fusion), calcium regulation, oxidative stress, biogenesis, and the process of mitophagy, are believed to play a central role in the progression of these disorders. Additionally, unfolded protein responses and the accumulation of fatty acids within muscle cells may adversely affect the internal milieu, impairing the equilibrium of mitochondrial functioning. The structural discrepancies between different mitochondrial subsets namely, intramyofibrillar and subsarcolemmal mitochondria likely impact their metabolic capabilities and susceptibility to inflammatory influences. The release of signals from damaged mitochondria is known to incite inflammatory responses. Intriguingly, migrasomes and extracellular vesicles serve as vehicles for intercellular transfer of mitochondria, aiding in the removal of impaired mitochondria and regulation of inflammation. Viral infections have been implicated in inducing stress on mitochondria. Prolonged dysfunction of these vital organelles sustains oxidative harm, metabolic irregularities, and heightened cytokine release, impeding the body's ability to repair tissues. This review provides a comprehensive analysis of advancements in understanding changes in the intracellular environment, mitochondrial architecture and distribution, biogenesis, dynamics, autophagy, oxidative stress, cytokines associated with mitochondria, vesicular structures, and associated membranes in the context of chronic inflammatory musculoskeletal disorders. Strategies targeting key elements regulating mitochondrial quality exhibit promise in the restoration of mitochondrial function, alleviation of inflammation, and enhancement of overall outcomes.
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Affiliation(s)
- Kailun Wu
- Department of Orthopedics, The Fourth Affiliated Hospital of Soochow University/Suzhou Dushu Lake Hospital, Suzhou, Jiangsu, People's Republic of China
- Department of Orthopedics and Sports Medicine, The First Affiliated Hospital of Soochow University, 188 Shizi Street, Suzhou, 215006, People's Republic of China
| | - Ju-Sheng Shieh
- Department of Periodontology, School of Dentistry, Tri-Service General Hospital, National Defense Medical Center, Taipei City, 11490, Taiwan
| | - Ling Qin
- Musculoskeletal Research Laboratory of the Department of Orthopaedics & Traumatology, The Chinese University of Hong Kong, Hong Kong, SAR, People's Republic of China
| | - Jiong Jiong Guo
- Department of Orthopedics and Sports Medicine, The First Affiliated Hospital of Soochow University, 188 Shizi Street, Suzhou, 215006, People's Republic of China.
- MOE China-Europe Sports Medicine Belt and Road Joint Laboratory, Soochow University, Suzhou, Jiangsu, People's Republic of China.
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2
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Singh A, Kumar S, Acharya TK, Kumar S, Chawla S, Goswami C, Goswami L. Modulation of calcium-influx by carboxymethyl tamarind‑gold nanoparticles promotes biomineralization for tissue regeneration. Int J Biol Macromol 2024; 264:130605. [PMID: 38447827 DOI: 10.1016/j.ijbiomac.2024.130605] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2023] [Revised: 02/20/2024] [Accepted: 02/25/2024] [Indexed: 03/08/2024]
Abstract
Gold nanoparticles (AuNPs) have been reported to modulate bone tissue regeneration and are being extensively utilized in biomedical implementations attributable to their low cytotoxicity, biocompatibility and simplicity of functionalization. Lately, biologically synthesized nanoparticles have acquired popularity because of their environmentally acceptable alternatives for diverse applications. Here we report the green synthesis of AuNPs by taking the biopolymer Carboxymethyl Tamarind (CMT) as a unique reducing as well as a stabilizing agent. The synthesized CMT-AuNPs were analyzed by UV-vis spectrophotometer, DLS, FTIR, XRD, TGA, SEM and TEM. These results suggest that CMT-AuNPs possess an average size of 19.93 ± 8.52 nm and have long-term stability. Further, these CMT-AuNPs promote the proliferation together with the differentiation and mineralization of osteoblast cells in a "dose-dependent" manner. Additionally, CMT-AuNPs are non-toxic to SD rats when applied externally. We suggest that the CMT-AuNPs have the potential to be a suitable and non-toxic agent for differentiation and mineralization of osteoblast cells in vitro and this can be tested in vivo as well.
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Affiliation(s)
- Abhishek Singh
- School of Biotechnology, KIIT Deemed to be University, Patia, Bhubaneswar 751024, India
| | - Satish Kumar
- School of Biological Sciences, National Institute of Science Education and Research, HBNI, Khordha, Jatni, Odisha 752050, India
| | - Tusar Kanta Acharya
- School of Biological Sciences, National Institute of Science Education and Research, HBNI, Khordha, Jatni, Odisha 752050, India
| | - Shamit Kumar
- School of Biological Sciences, National Institute of Science Education and Research, HBNI, Khordha, Jatni, Odisha 752050, India
| | - Saurabh Chawla
- School of Biological Sciences, National Institute of Science Education and Research, HBNI, Khordha, Jatni, Odisha 752050, India
| | - Chandan Goswami
- School of Biological Sciences, National Institute of Science Education and Research, HBNI, Khordha, Jatni, Odisha 752050, India
| | - Luna Goswami
- School of Biotechnology, KIIT Deemed to be University, Patia, Bhubaneswar 751024, India; School of Chemical Technology, KIIT Deemed to be University, Patia, Bhubaneswar 751024, India.
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3
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Han G, Lee DG. Urechistachykinin I triggers mitochondrial dysfunction leading to a ferroptosis-like response in Saccharomyces cerevisiae. J Appl Microbiol 2024; 135:lxae011. [PMID: 38268406 DOI: 10.1093/jambio/lxae011] [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: 10/29/2023] [Revised: 12/22/2023] [Accepted: 01/23/2024] [Indexed: 01/26/2024]
Abstract
AIMS The purpose of this paper was to demonstrate the antimicrobial activity of urechistachykinin I (LRQSQFVGSR-NH2) extracted from Urechis unicinctus,and its mode of action dependent on mitochondrial dysfunction. METHODS AND RESULTS The antifungal activity of urechistachykinin I generated reactive oxygen species (ROS), as demonstrated with MitoSOX Red and hydroxyphenyl fluorescein (HPF). Overaccumulation of ROS caused oxidative damage to cells by inducing mitochondrial dysfunction. Mitochondrial disruption resulted in cell death, creating several hallmarks that included lipid peroxidation, glutathione oxidation, and depolarization. Moreover, the loss of mitochondria changed the calcium ion imbalance by depolarization of the mitochondrial membrane. In particular, iron accumulation and DNA fragmentation measurement determined the type of cell death. Our results indicate that urechistachykinin I treatment induced ferroptosis-like death in Saccharomyces cerevisiae via mitochondrial dysfunction. CONCLUSIONS Urechistachykinin I treatment induced mitochondrial dysfunction in S. cerevisiae by generating ROS, and the subsequent oxidative damage caused the ferroptosis-like cell death.
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Affiliation(s)
- Giyeol Han
- School of Life Sciences, BK 21 FOUR KNU Creative BioResearch Group, Kyungpook National University, Daegu 41566, Republic of Korea
| | - Dong Gun Lee
- School of Life Sciences, BK 21 FOUR KNU Creative BioResearch Group, Kyungpook National University, Daegu 41566, Republic of Korea
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Huang Y, Ji W, Zhang J, Huang Z, Ding A, Bai H, Peng B, Huang K, Du W, Zhao T, Li L. The involvement of the mitochondrial membrane in drug delivery. Acta Biomater 2024; 176:28-50. [PMID: 38280553 DOI: 10.1016/j.actbio.2024.01.027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Revised: 12/23/2023] [Accepted: 01/18/2024] [Indexed: 01/29/2024]
Abstract
Treatment effectiveness and biosafety are critical for disease therapy. Bio-membrane modification facilitates the homologous targeting of drugs in vivo by exploiting unique antibodies or antigens, thereby enhancing therapeutic efficacy while ensuring biosafety. To further enhance the precision of disease treatment, future research should shift focus from targeted cellular delivery to targeted subcellular delivery. As the cellular powerhouses, mitochondria play an indispensable role in cell growth and regulation and are closely involved in many diseases (e.g., cancer, cardiovascular, and neurodegenerative diseases). The double-layer membrane wrapped on the surface of mitochondria not only maintains the stability of their internal environment but also plays a crucial role in fundamental biological processes, such as energy generation, metabolite transport, and information communication. A growing body of evidence suggests that various diseases are tightly related to mitochondrial imbalance. Moreover, mitochondria-targeted strategies hold great potential to decrease therapeutic threshold dosage, minimize side effects, and promote the development of precision medicine. Herein, we introduce the structure and function of mitochondrial membranes, summarize and discuss the important role of mitochondrial membrane-targeting materials in disease diagnosis/treatment, and expound the advantages of mitochondrial membrane-assisted drug delivery for disease diagnosis, treatment, and biosafety. This review helps readers understand mitochondria-targeted therapies and promotes the application of mitochondrial membranes in drug delivery. STATEMENT OF SIGNIFICANCE: Bio-membrane modification facilitates the homologous targeting of drugs in vivo by exploiting unique antibodies or antigens, thereby enhancing therapeutic efficacy while ensuring biosafety. Compared to cell-targeted treatment, targeting of mitochondria for drug delivery offers higher efficiency and improved biosafety and will promote the development of precision medicine. As a natural material, the mitochondrial membrane exhibits excellent biocompatibility and can serve as a carrier for mitochondria-targeted delivery. This review provides an overview of the structure and function of mitochondrial membranes and explores the potential benefits of utilizing mitochondrial membrane-assisted drug delivery for disease treatment and biosafety. The aim of this review is to enhance readers' comprehension of mitochondrial targeted therapy and to advance the utilization of mitochondrial membrane in drug delivery.
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Affiliation(s)
- Yinghui Huang
- The Institute of Flexible Electronics (IFE, Future Technologies), Xiamen University, Xiamen 361005, China
| | - Wenhui Ji
- The Institute of Flexible Electronics (IFE, Future Technologies), Xiamen University, Xiamen 361005, China
| | - Jiaxin Zhang
- Frontiers Science Center for Flexible Electronics, Xi'an Institute of Flexible Electronics (IFE) and Xi'an Institute of Biomedical Materials & Engineering, Northwestern Polytechnical University, Xi'an 710072, China
| | - Ze Huang
- The Institute of Flexible Electronics (IFE, Future Technologies), Xiamen University, Xiamen 361005, China; Future Display Institute in Xiamen, Xiamen 361005, China
| | - Aixiang Ding
- The Institute of Flexible Electronics (IFE, Future Technologies), Xiamen University, Xiamen 361005, China
| | - Hua Bai
- Frontiers Science Center for Flexible Electronics, Xi'an Institute of Flexible Electronics (IFE) and Xi'an Institute of Biomedical Materials & Engineering, Northwestern Polytechnical University, Xi'an 710072, China
| | - Bo Peng
- Frontiers Science Center for Flexible Electronics, Xi'an Institute of Flexible Electronics (IFE) and Xi'an Institute of Biomedical Materials & Engineering, Northwestern Polytechnical University, Xi'an 710072, China
| | - Kai Huang
- Future Display Institute in Xiamen, Xiamen 361005, China
| | - Wei Du
- School of Basic Medical Sciences, Anhui Medical University, Hefei 230032, China.
| | - Tingting Zhao
- School of Basic Medical Sciences, Anhui Medical University, Hefei 230032, China.
| | - Lin Li
- The Institute of Flexible Electronics (IFE, Future Technologies), Xiamen University, Xiamen 361005, China; Future Display Institute in Xiamen, Xiamen 361005, China.
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Yao MF, Dang T, Wang HJ, Zhu XZ, Qiao C. Mitochondrial homeostasis regulation: A promising therapeutic target for Parkinson's disease. Behav Brain Res 2024; 459:114811. [PMID: 38103871 DOI: 10.1016/j.bbr.2023.114811] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2023] [Revised: 12/10/2023] [Accepted: 12/10/2023] [Indexed: 12/19/2023]
Abstract
Parkinson's disease (PD) is a neurodegenerative disease characterized by progressive loss of dopaminergic (DA) neurons in the substantia nigra pars compacta (SNc) and the presence of Lewy bodies (LBs) or Lewy neurites (LNs) which consist of α-synuclein (α-syn) and a complex mix of other biomolecules. Mitochondrial dysfunction is widely believed to play an essential role in the pathogenesis of PD and other related neurodegenerative diseases. But mitochondrial dysfunction is subject to complex genetic regulation. There is increasing evidence that PD-related genes directly or indirectly affect mitochondrial integrity. Therefore, targeted regulation of mitochondrial function has great clinical application prospects in the treatment of PD. However, lots of PD drugs targeting mitochondria have been developed but their clinical therapeutic effects are not ideal. This review aims to reveal the role of mitochondrial dysfunction in the pathogenesis of neurodegenerative diseases based on the mitochondrial structure and function, which may highlight potential interventions and therapeutic targets for the development of PD drugs to recover mitochondrial dysfunction in neurodegenerative diseases.
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Affiliation(s)
- Meng-Fan Yao
- Department of Clinical Pharmabcy, the Affiliated Hospital of Jiangsu University, Jiangsu University, Zhenjiang, Jiangsu 212001, China; College of Pharmacy, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Tao Dang
- Department of Clinical Pharmabcy, the Affiliated Hospital of Jiangsu University, Jiangsu University, Zhenjiang, Jiangsu 212001, China; College of Pharmacy, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Hua-Jun Wang
- Department of Clinical Pharmabcy, the Affiliated Hospital of Jiangsu University, Jiangsu University, Zhenjiang, Jiangsu 212001, China
| | - Xiao-Zhong Zhu
- Department of Cardiothoracic Surgery, the Affiliated Hospital of Jiangsu University, Jiangsu University, Zhenjiang, Jiangsu 212001, China
| | - Chen Qiao
- Department of Clinical Pharmabcy, the Affiliated Hospital of Jiangsu University, Jiangsu University, Zhenjiang, Jiangsu 212001, China; College of Pharmacy, Jiangsu University, Zhenjiang, Jiangsu 212013, China.
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Hussain T, Metwally E, Murtaza G, Kalhoro DH, Chughtai MI, Tan B, Omur AD, Tunio SA, Akbar MS, Kalhoro MS. Redox mechanisms of environmental toxicants on male reproductive function. Front Cell Dev Biol 2024; 12:1333845. [PMID: 38469179 PMCID: PMC10925774 DOI: 10.3389/fcell.2024.1333845] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2023] [Accepted: 01/25/2024] [Indexed: 03/13/2024] Open
Abstract
Humans and wildlife, including domesticated animals, are exposed to a myriad of environmental contaminants that are derived from various human activities, including agricultural, household, cosmetic, pharmaceutical, and industrial products. Excessive exposure to pesticides, heavy metals, and phthalates consequently causes the overproduction of reactive oxygen species. The equilibrium between reactive oxygen species and the antioxidant system is preserved to maintain cellular redox homeostasis. Mitochondria play a key role in cellular function and cell survival. Mitochondria are vulnerable to damage that can be provoked by environmental exposures. Once the mitochondrial metabolism is damaged, it interferes with energy metabolism and eventually causes the overproduction of free radicals. Furthermore, it also perceives inflammation signals to generate an inflammatory response, which is involved in pathophysiological mechanisms. A depleted antioxidant system provokes oxidative stress that triggers inflammation and regulates epigenetic function and apoptotic events. Apart from that, these chemicals influence steroidogenesis, deteriorate sperm quality, and damage male reproductive organs. It is strongly believed that redox signaling molecules are the key regulators that mediate reproductive toxicity. This review article aims to spotlight the redox toxicology of environmental chemicals on male reproduction function and its fertility prognosis. Furthermore, we shed light on the influence of redox signaling and metabolism in modulating the response of environmental toxins to reproductive function. Additionally, we emphasize the supporting evidence from diverse cellular and animal studies.
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Affiliation(s)
- Tarique Hussain
- College of Animal Science and Technology, Hunan Agricultural University, Changsha, Hunan, China
- Animal Science Division, Nuclear Institute for Agriculture and Biology College, Pakistan Institute of Engineering and Applied Sciences (NIAB-C, PIEAS), Faisalabad, Pakistan
| | - Elsayed Metwally
- Department of Cytology and Histology, Faculty of Veterinary Medicine, Suez Canal University, Ismailia, Egypt
| | - Ghulam Murtaza
- Department of Livestock and Fisheries, Government of Sindh, Karachi, Pakistan
| | - Dildar Hussain Kalhoro
- Department of Veterinary Microbiology, Faculty of Animal Husbandry and Veterinary Sciences, Sindh Agriculture University, Tandojam, Sindh, Pakistan
| | - Muhammad Ismail Chughtai
- Animal Science Division, Nuclear Institute for Agriculture and Biology College, Pakistan Institute of Engineering and Applied Sciences (NIAB-C, PIEAS), Faisalabad, Pakistan
| | - Bie Tan
- College of Animal Science and Technology, Hunan Agricultural University, Changsha, Hunan, China
| | - Ali Dogan Omur
- Department of Artificial Insemination, Faculty, Veterinary Medicine, Ataturk University, Erzurum, Türkiye
| | - Shakeel Ahmed Tunio
- Department of Livestock Management, Faculty of Animal Husbandry and Veterinary Sciences, Sindh Agriculture University, Tandojam, Sindh, Pakistan
| | - Muhammad Shahzad Akbar
- Faculty of Animal Husbandry and Veterinary Sciences, University of Poonch, Rawalakot, Pakistan
| | - Muhammad Saleem Kalhoro
- Department of Agro-Industrial, Food, and Environmental Technology, Faculty of Applied Science, Food and Agro-Industrial Research Centre, King Mongkut’s University of Technology North Bangkok, Bangkok, Thailand
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7
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Da Costa RT, Riggs LM, Solesio ME. Inorganic polyphosphate and the regulation of mitochondrial physiology. Biochem Soc Trans 2023; 51:2153-2161. [PMID: 37955101 PMCID: PMC10842919 DOI: 10.1042/bst20230735] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2023] [Revised: 10/30/2023] [Accepted: 10/30/2023] [Indexed: 11/14/2023]
Abstract
Inorganic polyphosphate (polyP) is an ancient polymer that is well-conserved throughout evolution. It is formed by multiple subunits of orthophosphates linked together by phosphoanhydride bonds. The presence of these bonds, which are structurally similar to those found in ATP, and the high abundance of polyP in mammalian mitochondria, suggest that polyP could be involved in the regulation of the physiology of the organelle, especially in the energy metabolism. In fact, the scientific literature shows an unequivocal role for polyP not only in directly regulating oxidative a phosphorylation; but also in the regulation of reactive oxygen species metabolism, mitochondrial free calcium homeostasis, and the formation and opening of mitochondrial permeability transitions pore. All these processes are closely interconnected with the status of mitochondrial bioenergetics and therefore play a crucial role in maintaining mitochondrial and cell physiology. In this invited review, we discuss the main scientific literature regarding the regulatory role of polyP in mammalian mitochondrial physiology, placing a particular emphasis on its impact on energy metabolism. Although the effects of polyP on the physiology of the organelle are evident; numerous aspects, particularly within mammalian cells, remain unclear and require further investigation. These aspects encompass, for example, advancing the development of more precise analytical methods, unraveling the mechanism responsible for sensing polyP levels, and understanding the exact molecular mechanism that underlies the effects of polyP on mitochondrial physiology. By increasing our understanding of the biology of this ancient and understudied polymer, we could unravel new pharmacological targets in diseases where mitochondrial dysfunction, including energy metabolism dysregulation, has been broadly described.
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Affiliation(s)
- Renata T Da Costa
- Department of Biology; and Center for Computational and Integrative Biology (CCIB), Rutgers University, Camden, NJ, U.S.A
| | - Lindsey M Riggs
- Department of Biology; and Center for Computational and Integrative Biology (CCIB), Rutgers University, Camden, NJ, U.S.A
| | - Maria E Solesio
- Department of Biology; and Center for Computational and Integrative Biology (CCIB), Rutgers University, Camden, NJ, U.S.A
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Gross S, Womer L, Kappes DJ, Soboloff J. Multifaceted control of T cell differentiation by STIM1. Trends Biochem Sci 2023; 48:1083-1097. [PMID: 37696713 PMCID: PMC10787584 DOI: 10.1016/j.tibs.2023.08.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Revised: 08/08/2023] [Accepted: 08/18/2023] [Indexed: 09/13/2023]
Abstract
In T cells, stromal interaction molecule (STIM) and Orai are dispensable for conventional T cell development, but critical for activation and differentiation. This review focuses on novel STIM-dependent mechanisms for control of Ca2+ signals during T cell activation and its impact on mitochondrial function and transcriptional activation for control of T cell differentiation and function. We highlight areas that require further work including the roles of plasma membrane Ca2+ ATPase (PMCA) and partner of STIM1 (POST) in controlling Orai function. A major knowledge gap also exists regarding the independence of T cell development from STIM and Orai, despite compelling evidence that it requires Ca2+ signals. Resolving these and other outstanding questions ensures that the field will remain active for many years to come.
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Affiliation(s)
- Scott Gross
- Fels Cancer Institute for Personalized Medicine, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, 19140, USA
| | - Lauren Womer
- Fels Cancer Institute for Personalized Medicine, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, 19140, USA
| | | | - Jonathan Soboloff
- Fels Cancer Institute for Personalized Medicine, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, 19140, USA; Department of Cancer and Cellular Biology, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, 19140, USA.
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Zhao Y, Yu X, Kong W, Kong RM, Zhang E, Xia L, Zhang J, Qu F, Tan W. Responsive calcium-derived nanoassemblies induce mitochondrial disorder to promote tumor calcification. Chem Sci 2023; 14:9350-9359. [PMID: 37712028 PMCID: PMC10498499 DOI: 10.1039/d3sc02945j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2023] [Accepted: 08/14/2023] [Indexed: 09/16/2023] Open
Abstract
Physiological calcification of the treated tumor area is considered to be a predictor of good prognosis. Promoting tumor calcification by inducing mitochondrial metabolic disorder and destroying calcium equilibrium has a potential inhibitory effect on tumor proliferation. Here, by promoting calcification by inducing mitochondrial dysfunction combined with triggering a surge of reactive oxygen species, we construct a bioresponsive calcification initiator, termed CaP-AA, using CaHPO4 covalently doped l-ascorbic acid. CaHPO4 releases Ca2+ within the cytoplasm of tumor cells to trigger calcium overload. Meanwhile, exogenous l-ascorbic acid indirectly enhances metabolic balance disruption via pro-oxidant effects. Such Ca2+ overload increases the likelihood of tumor calcification in vivo for tumor inhibition by perturbing mitochondrial homeostasis. The introduction of responsive calcium sources that would, in turn, trigger intratumoral calcification mediated by perturbing mitochondrial homeostasis would be an effective regulatory strategy for tumor therapy.
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Affiliation(s)
- Yan Zhao
- College of Chemistry and Chemical Engineering, Qufu Normal University Qufu Shandong 273165 China
| | - Xinquan Yu
- Department of Pathology, Cancer Hospital of Zhejiang Province, Hangzhou Institute of Medicine, Chinese Academy of Sciences Hangzhou Zhejiang 310022 China
| | - Weiheng Kong
- College of Chemistry and Chemical Engineering, Qufu Normal University Qufu Shandong 273165 China
| | - Rong-Mei Kong
- College of Chemistry and Chemical Engineering, Qufu Normal University Qufu Shandong 273165 China
| | - Ensheng Zhang
- College of Chemistry and Chemical Engineering, Qufu Normal University Qufu Shandong 273165 China
| | - Lian Xia
- College of Chemistry and Chemical Engineering, Qufu Normal University Qufu Shandong 273165 China
| | - Jing Zhang
- School of Chemistry and Chemical Engineering, University of Jinan Jinan Shandong 250022 China
| | - Fengli Qu
- College of Chemistry and Chemical Engineering, Qufu Normal University Qufu Shandong 273165 China
- Department of Pathology, Cancer Hospital of Zhejiang Province, Hangzhou Institute of Medicine, Chinese Academy of Sciences Hangzhou Zhejiang 310022 China
| | - Weihong Tan
- Department of Pathology, Cancer Hospital of Zhejiang Province, Hangzhou Institute of Medicine, Chinese Academy of Sciences Hangzhou Zhejiang 310022 China
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Prasad Panda S, Kesharwani A, Prasanna Mallick S, Prasanth D, Kumar Pasala P, Bharadwaj Tatipamula V. Viral-induced neuronal necroptosis: Detrimental to brain function and regulation by necroptosis inhibitors. Biochem Pharmacol 2023; 213:115591. [PMID: 37196683 DOI: 10.1016/j.bcp.2023.115591] [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: 03/17/2023] [Revised: 05/09/2023] [Accepted: 05/10/2023] [Indexed: 05/19/2023]
Abstract
Neuronal necroptosis (programmed necrosis) in the CNS naturally occurs through a caspase-independent way and, especially in neurodegenerative diseases (NDDs) such as Alzheimer's disease (AD), Parknson's disease (PD), Amyotrophic Lateral Sclerosis (ALS) and viral infections. Understanding necroptosis pathways (death receptor-dependent and independent), and its connections with other cell death pathways could lead to new insights into treatment. Receptor-interacting protein kinase (RIPK) mediates necroptosis via mixed-lineage kinase-like (MLKL) proteins. RIPK/MLKL necrosome contains FADD, procaspase-8-cellular FLICE-inhibitory proteins (cFLIPs), RIPK1/RIPK3, and MLKL. The necrotic stimuli cause phosphorylation of MLKL and translocate to the plasma membrane, causing an influx of Ca2+ and Na+ ions and, the immediate opening of mitochondrial permeability transition pore (mPTP) with the release of inflammatory cell damage-associated molecular patterns (DAMPs) like mitochondrial DNA (mtDNA), high-mobility group box1 (HMGB1), and interleukin1 (IL-1). The MLKL translocates to the nucleus to induce transcription of the NLRP3 inflammasome complex elements. MLKL-induced NLRP3 activity causes caspase-1 cleavage and, IL-1 activation which promotes neuroinflammation. RIPK1-dependent transcription increases illness-associated microglial and lysosomal abnormalities to facilitate amyloid plaque (Aβ) aggregation in AD. Recent research has linked neuroinflammation and mitochondrial fission with necroptosis. MicroRNAs (miRs) such as miR512-3p, miR874, miR499, miR155, and miR128a regulate neuronal necroptosis by targeting key components of necroptotic pathways. Necroptosis inhibitors act by inhibiting the membrane translocation of MLKL and RIPK1 activity. This review insights into the RIPK/MLKL necrosome-NLRP3 inflammasome interactions during death receptor-dependent and independent neuronal necroptosis, and clinical intervention by miRs to protect the brain from NDDs.
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Affiliation(s)
- Siva Prasad Panda
- Institute of Pharmaceutical Research, GLA University, Mathura, Uttar Pradesh, India.
| | - Adarsh Kesharwani
- Institute of Pharmaceutical Research, GLA University, Mathura, Uttar Pradesh, India
| | - Sarada Prasanna Mallick
- Department of Biotechnology, Koneru Lakshmaiah Education Foundation, Guntur, Andhrapradesh, India
| | - Dsnbk Prasanth
- Department of Pharmacognosy, KVSR Siddhartha College of Pharmaceutical Sciences, Vijayawada, AP, India
| | | | - Vinay Bharadwaj Tatipamula
- Center for Molecular Biology, College of Medicine and Pharmacy, Duy Tan University, Danang 550000, Viet Nam
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11
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Zheng T, Liversage AR, Tehrani KF, Call JA, Kner PA, Mortensen LJ. Imaging mitochondria through bone in live mice using two-photon fluorescence microscopy with adaptive optics. FRONTIERS IN NEUROIMAGING 2023; 2:959601. [PMID: 37554651 PMCID: PMC10406258 DOI: 10.3389/fnimg.2023.959601] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Accepted: 01/09/2023] [Indexed: 08/10/2023]
Abstract
INTRODUCTION Mitochondria are extremely important organelles in the regulation of bone marrow and brain activity. However, live imaging of these subcellular features with high resolution in scattering tissues like brain or bone has proven challenging. METHODS In this study, we developed a two-photon fluorescence microscope with adaptive optics (TPFM-AO) for high-resolution imaging, which uses a home-built Shack-Hartmann wavefront sensor (SHWFS) to correct system aberrations and a sensorless approach for correcting low order tissue aberrations. RESULTS Using AO increases the fluorescence intensity of the point spread function (PSF) and achieves fast imaging of subcellular organelles with 400 nm resolution through 85 μm of highly scattering tissue. We achieved ~1.55×, ~3.58×, and ~1.77× intensity increases using AO, and a reduction of the PSF width by ~0.83×, ~0.74×, and ~0.9× at the depths of 0, 50 μm and 85 μm in living mouse bone marrow respectively, allowing us to characterize mitochondrial health and the survival of functioning cells with a field of view of 67.5× 67.5 μm. We also investigate the role of initial signal and background levels in sample correction quality by varying the laser power and camera exposure time and develop an intensity-based criteria for sample correction. DISCUSSION This study demonstrates a promising tool for imaging of mitochondria and other organelles in optically distorting biological environments, which could facilitate the study of a variety of diseases connected to mitochondrial morphology and activity in a range of biological tissues.
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Affiliation(s)
- Tianyi Zheng
- School of Electrical and Computer Engineering, University of Georgia, Athens, GA, United States
| | - Adrian R. Liversage
- School of Chemical, Materials and Biomedical Engineering, University of Georgia, Athens, GA, United States
| | - Kayvan F. Tehrani
- Biophotonics Imaging Laboratory, The University of Illinois Urbana-Champaign, Urbana, IL, United States
| | - Jarrod A. Call
- Department of Physiology and Pharmacology, University of Georgia, Athens, GA, United States
| | - Peter A. Kner
- School of Electrical and Computer Engineering, University of Georgia, Athens, GA, United States
| | - Luke J. Mortensen
- School of Chemical, Materials and Biomedical Engineering, University of Georgia, Athens, GA, United States
- Regenerative Bioscience Center, Rhodes Center for ADS, University of Georgia, Athens, GA, United States
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12
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Li X, Zhang W, Fan Y, Niu X. MV-mediated biomineralization mechanisms and treatments of biomineralized diseases. MEDICINE IN NOVEL TECHNOLOGY AND DEVICES 2022. [DOI: 10.1016/j.medntd.2022.100198] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
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13
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Environmental Chemical Exposures and Mitochondrial Dysfunction: a Review of Recent Literature. Curr Environ Health Rep 2022; 9:631-649. [PMID: 35902457 PMCID: PMC9729331 DOI: 10.1007/s40572-022-00371-7] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/20/2022] [Indexed: 01/31/2023]
Abstract
PURPOSE OF REVIEW Mitochondria play various roles that are important for cell function and survival; therefore, significant mitochondrial dysfunction may have chronic consequences that extend beyond the cell. Mitochondria are already susceptible to damage, which may be exacerbated by environmental exposures. Therefore, the aim of this review is to summarize the recent literature (2012-2022) looking at the effects of six ubiquitous classes of compounds on mitochondrial dysfunction in human populations. RECENT FINDINGS The literature suggests that there are a number of biomarkers that are commonly used to identify mitochondrial dysfunction, each with certain advantages and limitations. Classes of environmental toxicants such as polycyclic aromatic hydrocarbons, air pollutants, heavy metals, endocrine-disrupting compounds, pesticides, and nanomaterials can damage the mitochondria in varied ways, with changes in mtDNA copy number and measures of oxidative damage the most commonly measured in human populations. Other significant biomarkers include changes in mitochondrial membrane potential, calcium levels, and ATP levels. This review identifies the biomarkers that are commonly used to characterize mitochondrial dysfunction but suggests that emerging mitochondrial biomarkers, such as cell-free mitochondria and blood cardiolipin levels, may provide greater insight into the impacts of exposures on mitochondrial function. This review identifies that the mtDNA copy number and measures of oxidative damage are commonly used to characterize mitochondrial dysfunction, but suggests using novel approaches in addition to well-characterized ones to create standardized protocols. We identified a dearth of studies on mitochondrial dysfunction in human populations exposed to metals, endocrine-disrupting chemicals, pesticides, and nanoparticles as a gap in knowledge that needs attention.
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Silva Santos Ribeiro P, Willemen HLDM, Eijkelkamp N. Mitochondria and sensory processing in inflammatory and neuropathic pain. FRONTIERS IN PAIN RESEARCH (LAUSANNE, SWITZERLAND) 2022; 3:1013577. [PMID: 36324872 PMCID: PMC9619239 DOI: 10.3389/fpain.2022.1013577] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/07/2022] [Accepted: 09/26/2022] [Indexed: 01/24/2023]
Abstract
Rheumatic diseases, such as osteoarthritis and rheumatoid arthritis, affect over 750 million people worldwide and contribute to approximately 40% of chronic pain cases. Inflammation and tissue damage contribute to pain in rheumatic diseases, but pain often persists even when inflammation/damage is resolved. Mechanisms that cause this persistent pain are still unclear. Mitochondria are essential for a myriad of cellular processes and regulate neuronal functions. Mitochondrial dysfunction has been implicated in multiple neurological disorders, but its role in sensory processing and pain in rheumatic diseases is relatively unexplored. This review provides a comprehensive understanding of how mitochondrial dysfunction connects inflammation and damage-associated pathways to neuronal sensitization and persistent pain. To provide an overall framework on how mitochondria control pain, we explored recent evidence in inflammatory and neuropathic pain conditions. Mitochondria have intrinsic quality control mechanisms to prevent functional deficits and cellular damage. We will discuss the link between neuronal activity, mitochondrial dysfunction and chronic pain. Lastly, pharmacological strategies aimed at reestablishing mitochondrial functions or boosting mitochondrial dynamics as therapeutic interventions for chronic pain are discussed. The evidence presented in this review shows that mitochondria dysfunction may play a role in rheumatic pain. The dysfunction is not restricted to neuronal cells in the peripheral and central nervous system, but also includes blood cells and cells at the joint level that may affect pain pathways indirectly. Pre-clinical and clinical data suggest that modulation of mitochondrial functions can be used to attenuate or eliminate pain, which could be beneficial for multiple rheumatic diseases.
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15
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Tanaka M, Szabó Á, Spekker E, Polyák H, Tóth F, Vécsei L. Mitochondrial Impairment: A Common Motif in Neuropsychiatric Presentation? The Link to the Tryptophan-Kynurenine Metabolic System. Cells 2022; 11:cells11162607. [PMID: 36010683 PMCID: PMC9406499 DOI: 10.3390/cells11162607] [Citation(s) in RCA: 46] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Revised: 08/14/2022] [Accepted: 08/19/2022] [Indexed: 02/07/2023] Open
Abstract
Nearly half a century has passed since the discovery of cytoplasmic inheritance of human chloramphenicol resistance. The inheritance was then revealed to take place maternally by mitochondrial DNA (mtDNA). Later, a number of mutations in mtDNA were identified as a cause of severe inheritable metabolic diseases with neurological manifestation, and the impairment of mitochondrial functions has been probed in the pathogenesis of a wide range of illnesses including neurodegenerative diseases. Recently, a growing number of preclinical studies have revealed that animal behaviors are influenced by the impairment of mitochondrial functions and possibly by the loss of mitochondrial stress resilience. Indeed, as high as 54% of patients with one of the most common primary mitochondrial diseases, mitochondrial encephalomyopathy with lactic acidosis and stroke-like episodes (MELAS) syndrome, present psychiatric symptoms including cognitive impairment, mood disorder, anxiety, and psychosis. Mitochondria are multifunctional organelles which produce cellular energy and play a major role in other cellular functions including homeostasis, cellular signaling, and gene expression, among others. Mitochondrial functions are observed to be compromised and to become less resilient under continuous stress. Meanwhile, stress and inflammation have been linked to the activation of the tryptophan (Trp)-kynurenine (KYN) metabolic system, which observably contributes to the development of pathological conditions including neurological and psychiatric disorders. This review discusses the functions of mitochondria and the Trp-KYN system, the interaction of the Trp-KYN system with mitochondria, and the current understanding of the involvement of mitochondria and the Trp-KYN system in preclinical and clinical studies of major neurological and psychiatric diseases.
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Affiliation(s)
- Masaru Tanaka
- ELKH-SZTE Neuroscience Research Group, Danube Neuroscience Research Laboratory, Eötvös Loránd Research Network, University of Szeged (ELKH-SZTE), Tisza Lajos krt. 113, H-6725 Szeged, Hungary
| | - Ágnes Szabó
- Department of Neurology, Albert Szent-Györgyi Medical School, University of Szeged, Semmelweis u. 6, H-6725 Szeged, Hungary
- Doctoral School of Clinical Medicine, University of Szeged, Korányi fasor 6, H-6720 Szeged, Hungary
| | - Eleonóra Spekker
- ELKH-SZTE Neuroscience Research Group, Danube Neuroscience Research Laboratory, Eötvös Loránd Research Network, University of Szeged (ELKH-SZTE), Tisza Lajos krt. 113, H-6725 Szeged, Hungary
| | - Helga Polyák
- Department of Neurology, Albert Szent-Györgyi Medical School, University of Szeged, Semmelweis u. 6, H-6725 Szeged, Hungary
- Doctoral School of Clinical Medicine, University of Szeged, Korányi fasor 6, H-6720 Szeged, Hungary
| | - Fanni Tóth
- ELKH-SZTE Neuroscience Research Group, Danube Neuroscience Research Laboratory, Eötvös Loránd Research Network, University of Szeged (ELKH-SZTE), Tisza Lajos krt. 113, H-6725 Szeged, Hungary
| | - László Vécsei
- ELKH-SZTE Neuroscience Research Group, Danube Neuroscience Research Laboratory, Eötvös Loránd Research Network, University of Szeged (ELKH-SZTE), Tisza Lajos krt. 113, H-6725 Szeged, Hungary
- Department of Neurology, Albert Szent-Györgyi Medical School, University of Szeged, Semmelweis u. 6, H-6725 Szeged, Hungary
- Correspondence: ; Tel.: +36-62-545-351
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16
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Hong ST, Kim MS, Kim BR, Lee EJ, Yoon YU, Paik KC, Han MS, Kim ES, Cho BR. Organelle-specific blue-emitting two-photon probes for calcium ions: Combination with green-emitting two-photon probe for simultaneous detection of proton ions. Talanta 2022; 244:123408. [DOI: 10.1016/j.talanta.2022.123408] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Revised: 03/22/2022] [Accepted: 03/24/2022] [Indexed: 10/18/2022]
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17
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Matuz-Mares D, González-Andrade M, Araiza-Villanueva MG, Vilchis-Landeros MM, Vázquez-Meza H. Mitochondrial Calcium: Effects of Its Imbalance in Disease. Antioxidants (Basel) 2022; 11:antiox11050801. [PMID: 35624667 PMCID: PMC9138001 DOI: 10.3390/antiox11050801] [Citation(s) in RCA: 32] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Revised: 04/17/2022] [Accepted: 04/19/2022] [Indexed: 02/06/2023] Open
Abstract
Calcium is used in many cellular processes and is maintained within the cell as free calcium at low concentrations (approximately 100 nM), compared with extracellular (millimolar) concentrations, to avoid adverse effects such as phosphate precipitation. For this reason, cells have adapted buffering strategies by compartmentalizing calcium into mitochondria and the endoplasmic reticulum (ER). In mitochondria, the calcium concentration is in the millimolar range, as it is in the ER. Mitochondria actively contribute to buffering cellular calcium, but if matrix calcium increases beyond physiological demands, it can promote the opening of the mitochondrial permeability transition pore (mPTP) and, consequently, trigger apoptotic or necrotic cell death. The pathophysiological implications of mPTP opening in ischemia-reperfusion, liver, muscle, and lysosomal storage diseases, as well as those affecting the central nervous system, for example, Parkinson’s disease (PD), Alzheimer’s disease (AD), Huntington’s disease (HD), and amyotrophic lateral sclerosis (ALS) have been reported. In this review, we present an updated overview of the main cellular mechanisms of mitochondrial calcium regulation. We specially focus on neurodegenerative diseases related to imbalances in calcium homeostasis and summarize some proposed therapies studied to attenuate these diseases.
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Affiliation(s)
- Deyamira Matuz-Mares
- Departamento de Bioquímica, Facultad de Medicina, Universidad Nacional Autónoma de México, Avenida Universidad 3000, Cd. Universitaria, Coyoacán, Ciudad de México 04510, Mexico; (D.M.-M.); (M.G.-A.); (M.M.V.-L.)
| | - Martin González-Andrade
- Departamento de Bioquímica, Facultad de Medicina, Universidad Nacional Autónoma de México, Avenida Universidad 3000, Cd. Universitaria, Coyoacán, Ciudad de México 04510, Mexico; (D.M.-M.); (M.G.-A.); (M.M.V.-L.)
| | | | - María Magdalena Vilchis-Landeros
- Departamento de Bioquímica, Facultad de Medicina, Universidad Nacional Autónoma de México, Avenida Universidad 3000, Cd. Universitaria, Coyoacán, Ciudad de México 04510, Mexico; (D.M.-M.); (M.G.-A.); (M.M.V.-L.)
| | - Héctor Vázquez-Meza
- Departamento de Bioquímica, Facultad de Medicina, Universidad Nacional Autónoma de México, Avenida Universidad 3000, Cd. Universitaria, Coyoacán, Ciudad de México 04510, Mexico; (D.M.-M.); (M.G.-A.); (M.M.V.-L.)
- Correspondence: ; Tel.: +52-55-5623-2168
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Lee SY, An HJ, Kim JM, Sung MJ, Kim DK, Kim HK, Oh J, Jeong HY, Lee YH, Yang T, Kim JH, Lim HJ, Lee S. PINK1 deficiency impairs osteoblast differentiation through aberrant mitochondrial homeostasis. Stem Cell Res Ther 2021; 12:589. [PMID: 34823575 PMCID: PMC8614054 DOI: 10.1186/s13287-021-02656-4] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Accepted: 10/25/2021] [Indexed: 12/12/2022] Open
Abstract
Background PTEN-induced kinase 1 (PINK1) is a serine/threonine-protein kinase in mitochondria that is critical for mitochondrial quality control. PINK1 triggers mitophagy, a selective autophagy of mitochondria, and is involved in mitochondrial regeneration. Although increments of mitochondrial biogenesis and activity are known to be crucial during differentiation, data regarding the specific role of PINK1 in osteogenic maturation and bone remodeling are limited. Methods We adopted an ovariectomy model in female wildtype and Pink1−/− mice. Ovariectomized mice were analyzed using micro-CT, H&E staining, Masson’s trichrome staining. RT-PCR, western blot, immunofluorescence, alkaline phosphatase, and alizarin red staining were performed to assess the expression of PINK1 and osteogenic markers in silencing of PINK1 MC3T3-E1 cells. Clinical relevance of PINK1 expression levels was determined via qRT-PCR analysis in normal and osteoporosis patients. Results A significant decrease in bone mass and collagen deposition was observed in the femurs of Pink1−/− mice after ovariectomy. Ex vivo, differentiation of osteoblasts was inhibited upon Pink1 downregulation, accompanied by impaired mitochondrial homeostasis, increased mitochondrial reactive oxygen species production, and defects in mitochondrial calcium handling. Furthermore, PINK1 expression was reduced in bones from patients with osteoporosis, which supports the practical role of PINK1 in human bone disease. Conclusions In this study, we demonstrated that activation of PINK1 is a requisite in osteoblasts during differentiation, which is related to mitochondrial quality control and low reactive oxygen species production. Enhancing PINK1 activity might be a possible treatment target in bone diseases as it can promote a healthy pool of functional mitochondria in osteoblasts. Supplementary Information The online version contains supplementary material available at 10.1186/s13287-021-02656-4.
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Affiliation(s)
- So-Young Lee
- Department of Internal Medicine, CHA Bundang Medical Center, CHA University School of Medicine, Seongnam-si, 13496, Republic of Korea
| | - Hyun-Ju An
- Department of Internal Medicine, CHA Bundang Medical Center, CHA University School of Medicine, Seongnam-si, 13496, Republic of Korea.,Department of Orthopaedic Surgery, CHA Bundang Medical Center, CHA University School of Medicine, 59 Yatap-ro, Bundang-gu, Seongnam-si, 13496, South Korea
| | - Jin Man Kim
- Department of Oral Microbiology and Immunology, School of Dentistry, Seoul National University, Seoul, 03080, Republic of Korea
| | - Min-Ji Sung
- Department of Internal Medicine, CHA Bundang Medical Center, CHA University School of Medicine, Seongnam-si, 13496, Republic of Korea
| | - Do Kyung Kim
- CHA Graduate School of Medicine, 120 Hyeryong-ro, Pocheon, 11160, Republic of Korea
| | - Hyung Kyung Kim
- Department of Pathology, Kyung Hee University Hospital at Gangdong, Kyung Hee University, College of Medicine, Seoul, 05278, Republic of Korea
| | - Jongbeom Oh
- Department of Orthopaedic Surgery, CHA Bundang Medical Center, CHA University School of Medicine, 59 Yatap-ro, Bundang-gu, Seongnam-si, 13496, South Korea
| | - Hye Yun Jeong
- Department of Internal Medicine, CHA Bundang Medical Center, CHA University School of Medicine, Seongnam-si, 13496, Republic of Korea
| | - Yu Ho Lee
- Department of Internal Medicine, CHA Bundang Medical Center, CHA University School of Medicine, Seongnam-si, 13496, Republic of Korea
| | - Taeyoung Yang
- Department of Internal Medicine, CHA Bundang Medical Center, CHA University School of Medicine, Seongnam-si, 13496, Republic of Korea
| | - Jun Han Kim
- Department of Orthopaedic Surgery, CHA Bundang Medical Center, CHA University School of Medicine, 59 Yatap-ro, Bundang-gu, Seongnam-si, 13496, South Korea
| | - Ha Jeong Lim
- Department of Internal Medicine, CHA Bundang Medical Center, CHA University School of Medicine, Seongnam-si, 13496, Republic of Korea
| | - Soonchul Lee
- Department of Orthopaedic Surgery, CHA Bundang Medical Center, CHA University School of Medicine, 59 Yatap-ro, Bundang-gu, Seongnam-si, 13496, South Korea.
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19
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Li Y, Yu X, Deng L, Zhou S, Wang Y, Zheng X, Chu Q. Neochlorogenic acid anchors MCU-based calcium overload for cancer therapy. Food Funct 2021; 12:11387-11398. [PMID: 34672304 DOI: 10.1039/d1fo01393a] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Cancer is a major threat to human health worldwide, yet the clinical therapies remain unsatisfactory. In this study, we found that a Tetrastigma hemsleyanum leaves flavone (TLF) intervention could achieve tumor inhibition. Besides, neochlorogenic acid (NA), which had the highest absorbance peak in the HPLC profile of TLF, showed superior anti-proliferation ability over TLF, and could effectively trigger apoptosis, restrain migration, and facilitate cytoskeleton collapse, suggesting its key role in TLF's anticancer property. Molecular docking analysis suggested that NA was capable of binding with mitochondrial Ca2+ uniporter (MCU), and further experiments confirmed that NA upregulated the MCU level to permit excess calcium ion influx, leading to mitochondrial calcium imbalance, dysfunction, structure alteration, and ROS elevation. Moreover, tumor-bearing mice were applied to further confirm the excellent tumor inhibition ability of NA under Ca2+-abundant conditions. Therefore, this study uncovered that NA could effectively trigger robust MCU-mediated calcium overload cancer therapy, which could be utilized in novel strategies for future cancer treatment.
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Affiliation(s)
- Yonglu Li
- Department of Food Science and Nutrition, Zhejiang University, Hangzhou 310058, People's Republic of China. .,Zhejiang Key Laboratory for Agro-food Processing, Zhejiang University, Hangzhou 310058, People's Republic of China.,Fuli Institute of Food Science, Zhejiang University, Hangzhou 310058, People's Republic of China.,National Engineering Laboratory of Intelligent Food Technology and Equipment, Zhejiang University, Hangzhou 310058, People's Republic of China
| | - Xin Yu
- Department of Food Science and Nutrition, Zhejiang University, Hangzhou 310058, People's Republic of China. .,Zhejiang Key Laboratory for Agro-food Processing, Zhejiang University, Hangzhou 310058, People's Republic of China.,Fuli Institute of Food Science, Zhejiang University, Hangzhou 310058, People's Republic of China.,National Engineering Laboratory of Intelligent Food Technology and Equipment, Zhejiang University, Hangzhou 310058, People's Republic of China
| | - Lingchi Deng
- Department of Food Science and Nutrition, Zhejiang University, Hangzhou 310058, People's Republic of China. .,Zhejiang Key Laboratory for Agro-food Processing, Zhejiang University, Hangzhou 310058, People's Republic of China.,Fuli Institute of Food Science, Zhejiang University, Hangzhou 310058, People's Republic of China.,National Engineering Laboratory of Intelligent Food Technology and Equipment, Zhejiang University, Hangzhou 310058, People's Republic of China
| | - Su Zhou
- Department of Food Science and Nutrition, Zhejiang University, Hangzhou 310058, People's Republic of China. .,Zhejiang Key Laboratory for Agro-food Processing, Zhejiang University, Hangzhou 310058, People's Republic of China.,Fuli Institute of Food Science, Zhejiang University, Hangzhou 310058, People's Republic of China.,National Engineering Laboratory of Intelligent Food Technology and Equipment, Zhejiang University, Hangzhou 310058, People's Republic of China
| | - Yaxuan Wang
- Department of Food Science and Nutrition, Zhejiang University, Hangzhou 310058, People's Republic of China. .,Zhejiang Key Laboratory for Agro-food Processing, Zhejiang University, Hangzhou 310058, People's Republic of China.,Fuli Institute of Food Science, Zhejiang University, Hangzhou 310058, People's Republic of China.,National Engineering Laboratory of Intelligent Food Technology and Equipment, Zhejiang University, Hangzhou 310058, People's Republic of China
| | - Xiaodong Zheng
- Department of Food Science and Nutrition, Zhejiang University, Hangzhou 310058, People's Republic of China. .,Zhejiang Key Laboratory for Agro-food Processing, Zhejiang University, Hangzhou 310058, People's Republic of China.,Fuli Institute of Food Science, Zhejiang University, Hangzhou 310058, People's Republic of China.,National Engineering Laboratory of Intelligent Food Technology and Equipment, Zhejiang University, Hangzhou 310058, People's Republic of China
| | - Qiang Chu
- Tea Research Institute, Zhejiang University, Hangzhou 310058, People's Republic of China.
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20
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Dahal D, Ojha KR, Pokhrel S, Paruchuri S, Konopka M, Liu Q, Pang Y. NIR-emitting styryl dyes with large Stokes' shifts for imaging application: From cellular plasma membrane, mitochondria to Zebrafish neuromast. DYES AND PIGMENTS : AN INTERNATIONAL JOURNAL 2021; 194:109629. [PMID: 34366501 PMCID: PMC8345024 DOI: 10.1016/j.dyepig.2021.109629] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Near-infrared (NIR) emitting probes with very large Stokes' shifts play a crucial role in bioimaging applications, as the optical signals in this region exhibit high signal to background ratio and allow deeper tissue penetration. Herein we illustrate NIR-emitting probe 2 with very large Stokes' shifts (Δλ ≈ 260 - 272 nm) by integrating the excited-state intramolecular proton transfer (ESIPT) unit 2-(2'-hydroxyphenyl)benzoxazole (HBO) into a pyridinium derived cyanine. The ESIPT not only enhances the Stokes' shifts but also improves the quantum efficiency of the probe 2 (фfl = 0.27 - 0.40 in DCM). The application of 2 in live cells imaging reveals that compound 2 stains mitochondria in eukaryotic cells, normal human lungs fibroblast (NHLF), Zebrafish's neuromast hair cells, and support cells, and inner plasma membrane in prokaryotic cells, Escherichia coli (E. coli).
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Affiliation(s)
- Dipendra Dahal
- Department of Chemistry, The University of Akron, Akron, OH 44325, USA
| | - Krishna R Ojha
- Department of Chemistry, The University of Akron, Akron, OH 44325, USA
| | - Sabita Pokhrel
- Department of Chemistry, The University of Akron, Akron, OH 44325, USA
| | - Sailaja Paruchuri
- Department of Chemistry, The University of Akron, Akron, OH 44325, USA
| | - Michael Konopka
- Department of Chemistry, The University of Akron, Akron, OH 44325, USA
| | - Qin Liu
- Department of Biology, The University of Akron, Akron, OH 44325, USA
| | - Yi Pang
- Department of Chemistry, The University of Akron, Akron, OH 44325, USA
- Maurice Morton Institute of Polymer Science, The University of Akron, Akron, OH 44325, USA
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21
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Khmelinskii I, Makarov V. Stretching tension effects in permeability transition pores of inner mitochondrial membrane. Biosystems 2021; 208:104488. [PMID: 34274463 DOI: 10.1016/j.biosystems.2021.104488] [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: 06/11/2021] [Revised: 07/11/2021] [Accepted: 07/12/2021] [Indexed: 11/30/2022]
Abstract
Presently a mechanism of permeability transition pore (PTP) opening was proposed and discussed. This mechanism is based on mechanical stretching of inner mitochondrial membrane (IMM) caused by mitochondrial swelling (MS). The latter is induced by osmotic pressure generated by solute imbalance between the matrix and the surrounding cyto(sarco)plasm. Modelled by the Monte-Carlo method, an IMM fragment of 350 simulated biological molecules exhibited formation of micro-domains containing two protein and seven phospholipid molecules. The energies (-0.191 eV per molecule) in these micro-domains were significantly larger than those (-0.375 eV per molecule) of other parts of the IMM fragment. Stretching forces applied to such domains expanded them much more than other parts of the IMM fragment. We identify these micro-domains as the PTPs. Both linear and nonlinear functions were used for the strain-stress relation of the IMM fragment, with nonlinear effects more important at large IMM stretching strains. Thus, two main factors are incorporated into the PTP opening mechanism: (1) presence of micro-domains in the IMM structure and (2) IMM stretching stress caused by MS. Taking into account both of these factors, the equation for the probability of PTP opening was deduced, with matrix Ca2+ and H+ ionic concentrations as its parameters. Note that the equation deduced was similar to an earlier reported empirical equation describing PTP opening dynamics. This correspondence provides support to the presently proposed mechanism. Thus, a new look at the PTP opening mechanism is provided, of interest to various research areas related to mitochondrial biophysics.
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Affiliation(s)
- Igor Khmelinskii
- Universidade do Algarve, FCT, DQB and CEOT, 8005-139, Faro, Portugal
| | - Vladimir Makarov
- University of Puerto Rico, Rio Piedras Campus, PO Box 23343, San Juan, PR, 00931-3343, USA.
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22
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A Comparative Perspective on Functionally-Related, Intracellular Calcium Channels: The Insect Ryanodine and Inositol 1,4,5-Trisphosphate Receptors. Biomolecules 2021; 11:biom11071031. [PMID: 34356655 PMCID: PMC8301844 DOI: 10.3390/biom11071031] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2021] [Revised: 07/08/2021] [Accepted: 07/10/2021] [Indexed: 02/03/2023] Open
Abstract
Calcium (Ca2+) homeostasis is vital for insect development and metabolism, and the endoplasmic reticulum (ER) is a major intracellular reservoir for Ca2+. The inositol 1,4,5- triphosphate receptor (IP3R) and ryanodine receptor (RyR) are large homotetrameric channels associated with the ER and serve as two major actors in ER-derived Ca2+ supply. Most of the knowledge on these receptors derives from mammalian systems that possess three genes for each receptor. These studies have inspired work on synonymous receptors in insects, which encode a single IP3R and RyR. In the current review, we focus on a fundamental, common question: “why do insect cells possess two Ca2+ channel receptors in the ER?”. Through a comparative approach, this review covers the discovery of RyRs and IP3Rs, examines their structures/functions, the pathways that they interact with, and their potential as target sites in pest control. Although insects RyRs and IP3Rs share structural similarities, they are phylogenetically distinct, have their own structural organization, regulatory mechanisms, and expression patterns, which explains their functional distinction. Nevertheless, both have great potential as target sites in pest control, with RyRs currently being targeted by commercial insecticide, the diamides.
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Zhang SS, Zhou S, Crowley-McHattan ZJ, Wang RY, Li JP. A Review of the Role of Endo/Sarcoplasmic Reticulum-Mitochondria Ca 2+ Transport in Diseases and Skeletal Muscle Function. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18083874. [PMID: 33917091 PMCID: PMC8067840 DOI: 10.3390/ijerph18083874] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/21/2021] [Revised: 03/23/2021] [Accepted: 03/24/2021] [Indexed: 02/07/2023]
Abstract
The physical contact site between a mitochondrion and endoplasmic reticulum (ER), named the mitochondria-associated membrane (MAM), has emerged as a fundamental platform for regulating the functions of the two organelles and several cellular processes. This includes Ca2+ transport from the ER to mitochondria, mitochondrial dynamics, autophagy, apoptosis signalling, ER stress signalling, redox reaction, and membrane structure maintenance. Consequently, the MAM is suggested to be involved in, and as a possible therapeutic target for, some common diseases and impairment in skeletal muscle function, such as insulin resistance and diabetes, obesity, neurodegenerative diseases, Duchenne muscular dystrophy, age-related muscle atrophy, and exercise-induced muscle damage. In the past decade, evidence suggests that alterations in Ca2+ transport from the ER to mitochondria, mediated by the macromolecular complex formed by IP3R, Grp75, and VDAC1, may be a universal mechanism for how ER-mitochondria cross-talk is involved in different physiological/pathological conditions mentioned above. A better understanding of the ER (or sarcoplasmic reticulum in muscle)-mitochondria Ca2+ transport system may provide a new perspective for exploring the mechanism of how the MAM is involved in the pathology of diseases and skeletal muscle dysfunction. This review provides a summary of recent research findings in this area.
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Affiliation(s)
- Shuang-Shuang Zhang
- School of Sport Science, Beijing Sport University, Beijing 100084, China; (S.-S.Z.); (J.-P.L.)
- Faculty of Health, Southern Cross University, East Lismore, NSW 2480, Australia; (S.Z.); (Z.J.C.-M.)
| | - Shi Zhou
- Faculty of Health, Southern Cross University, East Lismore, NSW 2480, Australia; (S.Z.); (Z.J.C.-M.)
| | | | - Rui-Yuan Wang
- School of Sport Science, Beijing Sport University, Beijing 100084, China; (S.-S.Z.); (J.-P.L.)
- Correspondence:
| | - Jun-Ping Li
- School of Sport Science, Beijing Sport University, Beijing 100084, China; (S.-S.Z.); (J.-P.L.)
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24
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Khlopkov A, Sherstneva O, Ladeynova M, Grinberg M, Yudina L, Sukhov V, Vodeneev V. Participation of calcium ions in induction of respiratory response caused by variation potential in pea seedlings. PLANT SIGNALING & BEHAVIOR 2021; 16:1869415. [PMID: 33404323 PMCID: PMC7971294 DOI: 10.1080/15592324.2020.1869415] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Revised: 12/22/2020] [Accepted: 12/22/2020] [Indexed: 05/25/2023]
Abstract
Electrical signals in plants caused by external stimuli are capable of inducing various physiological responses. The mechanisms of transformation of a long-distance electrical signal (ES) into a functional response remain largely unexplored and require additional research. In this work, we investigated the role of calcium ions in the development of ES-induced respiratory response. Gradual heating of the leaf causes the propagation of variation potential (VP) in the pea seedling. The propagation of VP leads to a transient activation of respiration in an unaffected leaf. During the VP generation, a transient increase in the intracellular calcium concentration takes place. A calcium channel blocker inhibits the respiratory response, and a calcium ionophore induces the activation of respiration. Inhibitory analysis has showed that the VP-induced increase in respiration activity is probably associated with calcium-mediated activation of rotenone-insensitive alternative NADPH dehydrogenases in mitochondria.
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Affiliation(s)
- Andrey Khlopkov
- Department of Biophysics, Lobachevsky State University of Nizhny Novgorod, Nizhny Novgorod, Russia
| | - Oksana Sherstneva
- Department of Biophysics, Lobachevsky State University of Nizhny Novgorod, Nizhny Novgorod, Russia
| | - Maria Ladeynova
- Department of Biophysics, Lobachevsky State University of Nizhny Novgorod, Nizhny Novgorod, Russia
| | - Marina Grinberg
- Department of Biophysics, Lobachevsky State University of Nizhny Novgorod, Nizhny Novgorod, Russia
| | - Lyubov Yudina
- Department of Biophysics, Lobachevsky State University of Nizhny Novgorod, Nizhny Novgorod, Russia
| | - Vladimir Sukhov
- Department of Biophysics, Lobachevsky State University of Nizhny Novgorod, Nizhny Novgorod, Russia
| | - Vladimir Vodeneev
- Department of Biophysics, Lobachevsky State University of Nizhny Novgorod, Nizhny Novgorod, Russia
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25
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Lin QT, Lee R, Feng AL, Kim MS, Stathopulos PB. The leucine zipper EF-hand containing transmembrane protein-1 EF-hand is a tripartite calcium, temperature, and pH sensor. Protein Sci 2021; 30:855-872. [PMID: 33576522 DOI: 10.1002/pro.4042] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2020] [Revised: 02/09/2021] [Accepted: 02/09/2021] [Indexed: 12/15/2022]
Abstract
Leucine Zipper EF-hand containing transmembrane protein-1 (LETM1) is an inner mitochondrial membrane protein that mediates mitochondrial calcium (Ca2+ )/proton exchange. The matrix residing carboxyl (C)-terminal domain contains a sequence identifiable EF-hand motif (EF1) that is highly conserved among orthologues. Deletion of EF1 abrogates LETM1 mediated mitochondrial Ca2+ flux, highlighting the requirement of EF1 for LETM1 function. To understand the mechanistic role of this EF-hand in LETM1 function, we characterized the biophysical properties of EF1 in isolation. Our data show that EF1 exhibits α-helical secondary structure that is augmented in the presence of Ca2+ . Unexpectedly, EF1 features a weak (~mM), but specific, apparent Ca2+ -binding affinity, consistent with the canonical Ca2+ coordination geometry, suggested by our solution NMR. The low affinity is, at least in part, due to an Asp at position 12 of the binding loop, where mutation to Glu increases the affinity by ~4-fold. Further, the binding affinity is sensitive to pH changes within the physiological range experienced by mitochondria. Remarkably, EF1 unfolds at high and low temperatures. Despite these unique EF-hand properties, Ca2+ binding increases the exposure of hydrophobic regions, typical of EF-hands; however, this Ca2+ -induced conformational change shifts EF1 from a monomer to higher order oligomers. Finally, we showed that a second, putative EF-hand within LETM1 is unreactive to Ca2+ either in isolation or tandem with EF1. Collectively, our data reveal that EF1 is structurally and biophysically responsive to pH, Ca2+ and temperature, suggesting a role as a multipartite environmental sensor within LETM1.
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Affiliation(s)
- Qi-Tong Lin
- Department of Physiology and Pharmacology, Schulich School of Medicine and Dentistry, University of Western Ontario, London, Ontario, Canada
| | - Rachel Lee
- Department of Physiology and Pharmacology, Schulich School of Medicine and Dentistry, University of Western Ontario, London, Ontario, Canada.,Temerty Faculty of Medicine, University of Toronto, Toronto, Canada
| | - Allen L Feng
- Department of Physiology and Pharmacology, Schulich School of Medicine and Dentistry, University of Western Ontario, London, Ontario, Canada.,Faculty of Dentistry, University of Toronto, Toronto, Canada
| | - Michael S Kim
- Department of Physiology and Pharmacology, Schulich School of Medicine and Dentistry, University of Western Ontario, London, Ontario, Canada.,Department of Radiation Oncology, Dalhousie University, Halifax, Canada
| | - Peter B Stathopulos
- Department of Physiology and Pharmacology, Schulich School of Medicine and Dentistry, University of Western Ontario, London, Ontario, Canada
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26
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Saadeh K, Fazmin IT. Mitochondrial Dysfunction Increases Arrhythmic Triggers and Substrates; Potential Anti-arrhythmic Pharmacological Targets. Front Cardiovasc Med 2021; 8:646932. [PMID: 33659284 PMCID: PMC7917191 DOI: 10.3389/fcvm.2021.646932] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2020] [Accepted: 01/26/2021] [Indexed: 12/31/2022] Open
Abstract
Incidence of cardiac arrhythmias increases significantly with age. In order to effectively stratify arrhythmic risk in the aging population it is crucial to elucidate the relevant underlying molecular mechanisms. The changes underlying age-related electrophysiological disruption appear to be closely associated with mitochondrial dysfunction. Thus, the present review examines the mechanisms by which age-related mitochondrial dysfunction promotes arrhythmic triggers and substrate. Namely, via alterations in plasmalemmal ionic currents (both sodium and potassium), gap junctions, cellular Ca2+ homeostasis, and cardiac fibrosis. Stratification of patients' mitochondrial function status permits application of appropriate anti-arrhythmic therapies. Here, we discuss novel potential anti-arrhythmic pharmacological interventions that specifically target upstream mitochondrial function and hence ameliorates the need for therapies targeting downstream changes which have constituted traditional antiarrhythmic therapy.
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Affiliation(s)
- Khalil Saadeh
- School of Clinical Medicine, University of Cambridge, Cambridge, United Kingdom.,Faculty of Health and Medical Sciences, University of Surrey, Guildford, United Kingdom
| | - Ibrahim Talal Fazmin
- School of Clinical Medicine, University of Cambridge, Cambridge, United Kingdom.,Faculty of Health and Medical Sciences, University of Surrey, Guildford, United Kingdom.,Royal Papworth Hospital NHS Foundation Trust, Cambridge, United Kingdom
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27
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Anthocyanins from Hibiscus syriacus L. Inhibit NLRP3 Inflammasome in BV2 Microglia Cells by Alleviating NF- κB- and ER Stress-Induced Ca 2+ Accumulation and Mitochondrial ROS Production. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021; 2021:1246491. [PMID: 33613822 PMCID: PMC7878077 DOI: 10.1155/2021/1246491] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/25/2020] [Revised: 01/11/2021] [Accepted: 01/19/2021] [Indexed: 02/08/2023]
Abstract
Anthocyanins from the petals of Hibiscus syriacus L. (PS) possess anti-inflammatory, antioxidant, and antimelanogenic activities. However, it remains unclear whether PS inhibit the NLR family pyrin domain-containing 3 (NLRP3) inflammasome activation and assembly. This study is aimed at investigating whether PS downregulate NLRP3-mediated inflammasome by inhibiting nuclear factor-κB (NF-κB) and endoplasmic reticulum (ER) stress. BV2 microglia cells were treated with PS in the presence of lipopolysaccharide and adenosine triphosphate (LPS/ATP), and the NLRP3-related signaling pathway was investigated. In this study, we found that LPS/ATP treatment activated the NLRP3 inflammasome, which resulted in the release of interleukin-1β (IL-1β) and IL-18. Meanwhile, PS reduced LPS/ATP-mediated NLRP3 inflammasome at 12 h by inhibiting ER stress-mediated Ca2+ accumulation and subsequent mitochondrial reactive oxygen species (mtROS) production, which, in turn, decreased IL-1β and IL-18 release. Furthermore, PS inhibited the NLRP3 inflammasome 1 h after LPS/ATP treatment by suppressing the NF-κB pathway, which downregulated Ca2+ accumulation and mtROS production. These data showed that PS negatively regulated activation of the NLRP3 inflammasome in a time-different manner by inhibiting the NF-κB signaling pathway in the early stage and the ER stress response in the late stage. The pathways shared Ca2+ accumulation-mediated mtROS production, which was significantly inhibited in the presence of PS. In conclusion, our results suggested that PS has potential as a supplement against NLRP3 inflammasome-related inflammatory disorders; nevertheless, further studies are needed to determine the effect of PS in the noncanonical NLRP3 inflammasome pathways and pathological conditions in vivo.
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28
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Functional activity of permeability transition pore in energized and deenergized rat liver mitochondria. UKRAINIAN BIOCHEMICAL JOURNAL 2020. [DOI: 10.15407/ubj92.06.063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
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29
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Ray A, Jaiswal A, Dutta J, Singh S, Mabalirajan U. A looming role of mitochondrial calcium in dictating the lung epithelial integrity and pathophysiology of lung diseases. Mitochondrion 2020; 55:111-121. [PMID: 32971294 PMCID: PMC7505072 DOI: 10.1016/j.mito.2020.09.004] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2020] [Revised: 08/20/2020] [Accepted: 09/10/2020] [Indexed: 12/20/2022]
Abstract
With the increasing appreciation of mitochondria in modulating cellular homeostasis, various disease biology researchers have started exploring the detailed role of mitochondria in multiple diseases beyond neuronal and muscular diseases. In this context, emerging shreds of evidence in lung biology indicated the meticulous role of lung epithelia in provoking a plethora of lung diseases in contrast to earlier beliefs. As lung epithelia are ceaselessly exposed to the environment, they need to have multiple protective mechanisms to maintain the integrity of lung structure and function. As ciliated airway epithelium and type 2 alveolar epithelia require intense energy for executing their key functions like ciliary beating and surfactant production, it is no surprise that defects in mitochondrial function in these cells could perturb lung homeostasis and engage in the pathophysiology of lung diseases. On one hand, intracellular calcium plays the central role in executing key functions of lung epithelia, and on the other hand maintenance of intracellular calcium needs the buffering role of mitochondria. Thus, the regulation of mitochondrial calcium in lung epithelia seems to be critical in lung homeostasis and could be decisive in the pathogenesis of various lung diseases.
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Affiliation(s)
- Archita Ray
- Molecular Pathobiology of Respiratory Diseases, Cell Biology and Physiology Division, CSIR-Indian Institute of Chemical Biology, Kolkata, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
| | - Ashish Jaiswal
- Molecular Pathobiology of Respiratory Diseases, Cell Biology and Physiology Division, CSIR-Indian Institute of Chemical Biology, Kolkata, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
| | - Joytri Dutta
- Molecular Pathobiology of Respiratory Diseases, Cell Biology and Physiology Division, CSIR-Indian Institute of Chemical Biology, Kolkata, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
| | - Sabita Singh
- Molecular Pathobiology of Respiratory Diseases, Cell Biology and Physiology Division, CSIR-Indian Institute of Chemical Biology, Kolkata, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
| | - Ulaganathan Mabalirajan
- Molecular Pathobiology of Respiratory Diseases, Cell Biology and Physiology Division, CSIR-Indian Institute of Chemical Biology, Kolkata, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India.
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30
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Naumova N, Šachl R. Regulation of Cell Death by Mitochondrial Transport Systems of Calcium and Bcl-2 Proteins. MEMBRANES 2020; 10:E299. [PMID: 33096926 PMCID: PMC7590060 DOI: 10.3390/membranes10100299] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/27/2020] [Revised: 10/16/2020] [Accepted: 10/19/2020] [Indexed: 12/13/2022]
Abstract
Mitochondria represent the fundamental system for cellular energy metabolism, by not only supplying energy in the form of ATP, but also by affecting physiology and cell death via the regulation of calcium homeostasis and the activity of Bcl-2 proteins. A lot of research has recently been devoted to understanding the interplay between Bcl-2 proteins, the regulation of these interactions within the cell, and how these interactions lead to the changes in calcium homeostasis. However, the role of Bcl-2 proteins in the mediation of mitochondrial calcium homeostasis, and therefore the induction of cell death pathways, remain underestimated and are still not well understood. In this review, we first summarize our knowledge about calcium transport systems in mitochondria, which, when miss-regulated, can induce necrosis. We continue by reviewing and analyzing the functions of Bcl-2 proteins in apoptosis. Finally, we link these two regulatory mechanisms together, exploring the interactions between the mitochondrial Ca2+ transport systems and Bcl-2 proteins, both capable of inducing cell death, with the potential to determine the cell death pathway-either the apoptotic or the necrotic one.
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Affiliation(s)
| | - Radek Šachl
- J. Heyrovský Institute of Physical Chemistry, Czech Academy of Sciences, 182 23 Prague, Czech Republic;
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31
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Building a Bridge Between NMDAR-Mediated Excitotoxicity and Mitochondrial Dysfunction in Chronic and Acute Diseases. Cell Mol Neurobiol 2020; 41:1413-1430. [DOI: 10.1007/s10571-020-00924-0] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Accepted: 07/13/2020] [Indexed: 02/07/2023]
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32
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Fischer TT, Ehrlich BE. Wolfram Syndrome: a Monogenic Model to Study Diabetes Mellitus and Neurodegeneration. CURRENT OPINION IN PHYSIOLOGY 2020; 17:115-123. [PMID: 32864536 DOI: 10.1016/j.cophys.2020.07.009] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Wolfram syndrome (WS) is a rare, progressive disorder characterized by childhood-onset diabetes mellitus, optic nerve atrophy, hearing loss, diabetes insipidus, and neurodegeneration. Currently, there is no effective treatment for WS, and patients typically die between 30 and 40 years of age. WS is primarily caused by autosomal recessive mutations in the Wolfram syndrome 1 (WFS1) gene (OMIM 222300), which encodes for wolframin (WFS1). This disorder is therefore a valuable monogenic model for prevalent diseases, particularly diabetes mellitus and neurodegeneration. Whereas reduced survival and secretion are known cellular impairments causing WS, the underlying molecular pathways and the physiological function of WFS1 remain incompletely described. Here, we characterize WFS1 as a regulator of intracellular calcium homeostasis, review our current understanding of the disease mechanism of WS, and discuss candidate treatment approaches. These insights will facilitate identification of new therapeutic strategies not only for WS but also for diabetes mellitus and neurodegeneration.
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Affiliation(s)
- Tom T Fischer
- Department of Pharmacology, Yale University, New Haven, CT-06520, USA.,Institute of Pharmacology, University of Heidelberg, Germany
| | - Barbara E Ehrlich
- Department of Pharmacology, Yale University, New Haven, CT-06520, USA.,Department of Molecular Physiology, Yale University, New Haven, CT-06520, USA
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33
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Dey K, Bazala MA, Kuznicki J. Targeting mitochondrial calcium pathways as a potential treatment against Parkinson's disease. Cell Calcium 2020; 89:102216. [PMID: 32473487 DOI: 10.1016/j.ceca.2020.102216] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2020] [Revised: 05/06/2020] [Accepted: 05/08/2020] [Indexed: 12/14/2022]
Abstract
Parkinson's disease (PD) is a major health problem worldwide affecting millions of people and is a result of neurodegeneration in a small part of the brain known as substantia nigra pars compacta. Aberration in mitochondrial Ca2+ homeostasis plays, among several other factors, an important role for the neuronal loss in PD. Mitochondria are vital for cellular physiology, e.g. for ATP generation, and mitochondrial Ca2+ is a key player in cell functioning and survival. Mitochondrial Ca2+ homeostasis is maintained by a fine balance between the activities of proteins mediating the influx and efflux of Ca2+ across mitochondrial membranes. Malfunctioning of these proteins leading to Ca2+ overload promotes ROS generation, which induces cell death by triggering the opening of mitochondrial permeability transition pore. Till now PD remains incurable and the "gold standard" drug which can only delays the disease progression is l-Dopa from the 1960s and therefore, the situation warrants the search for novel targets for the treatment of the PD patients. In this review, we summarize the current views that suggest mitochondrial Ca2+ regulatory pathways are good candidates for the treatment of PD.
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Affiliation(s)
- Kuntal Dey
- Institute of Veterinary Physiology, University of Zurich, Zurich, Switzerland.
| | - Michal A Bazala
- Laboratory of Neurodegeneration, International Institute of Molecular and Cell Biology, Warsaw, Poland.
| | - Jacek Kuznicki
- Laboratory of Neurodegeneration, International Institute of Molecular and Cell Biology, Warsaw, Poland.
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34
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Yang PC, Jafri MS. Ca 2+ signaling in T lymphocytes: the interplay of the endoplasmic reticulum, mitochondria, membrane potential, and CRAC channels on transcription factor activation. Heliyon 2020; 6:e03526. [PMID: 32181396 PMCID: PMC7063158 DOI: 10.1016/j.heliyon.2020.e03526] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2018] [Revised: 09/12/2018] [Accepted: 02/28/2020] [Indexed: 11/16/2022] Open
Abstract
T cell receptor stimulation initiates a cascade of reactions that cause an increase in intracellular calcium (Ca2+) concentration mediated through inositol 1,4,5-trisphosphate (IP3). To understand the basic mechanisms by which the immune response in T cells is activated, it is useful to understand the signaling pathways that contain important targets for drugs in a quantitative fashion. A computational model helps us to understand how the selected elements in the pathways interact with each other, and which component plays the crucial role in systems. We have developed a mathematical model to explore the mechanism for controlling transcription factor activity, which regulates gene expression, by the modulation of calcium signaling triggered during T cell activation. The model simulates the activation and modulation of Ca2+ release-activated Ca2+ (CRAC) channels by mitochondrial dynamics and depletion of endoplasmic reticulum (ER) store, and also includes membrane potential in T-cells. The model simulates the experimental finding that increases in Ca2+ current enhances the activation of transcription factors and the Ca2+ influx through CRAC is also essential for the NFAT and NFκB activation. The model also suggests that plasma membrane Ca2+-ATPase (PMCA) controls a majority of the extrusion of Ca2+ and modulates the activation of CRAC channels. Furthermore, the model simulations explain how the complex interaction of the endoplasmic reticulum, membrane potential, mitochondria, and ion channels such as CRAC channels control T cell activation.
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Affiliation(s)
- Pei-Chi Yang
- Department of Physiology and Membrane Biology, University of California Davis, Davis, CA, 95616, USA
- Krasnow Institute for Advanced Study and School of Systems Biology, George Mason University, Fairfax, VA, 22030, USA
| | - M. Saleet Jafri
- Krasnow Institute for Advanced Study and School of Systems Biology, George Mason University, Fairfax, VA, 22030, USA
- Center for Biomedical Engineering and Technology, University of Maryland School of Medicine, Baltimore, MD, 20201, USA
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35
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Qi L, Chen X, Wang J, Lv B, Zhang J, Ni B, Xue Z. Mitochondria: the panacea to improve oocyte quality? ANNALS OF TRANSLATIONAL MEDICINE 2019; 7:789. [PMID: 32042805 DOI: 10.21037/atm.2019.12.02] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Oocyte quality is one of the most important factors involving in female reproduction. The number of compromised oocytes will increase with maternal age, while mitochondrial dysfunction has implicated in age-related poor oocyte. Together with the successful application of ooplasmic transfer (OT) and the critical role of mitochondria in the oocyte, functional mitochondria transfer may be a feasible strategy to improve oocyte quality. However, limitation on ethics and laws are strictly and optimal condition or methods to exert transferring need to be further explored. Therefore, the role of oocyte mitochondria and the effective molecular involving in oocyte quality will be hot topics in next few years. In this review, we summarize the potential mechanism of mitochondria in oocyte and embryo development and discuss the next step for mitochondrial transfer therapy.
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Affiliation(s)
- Lingbin Qi
- Department of Regenerative Medicine, Tongji University School of Medicine, Shanghai 200092, China
| | - Xian Chen
- Shenzhen Key Laboratory for Reproductive Immunology of Peri-implantation, Shenzhen Zhongshan Institute for Reproduction and Genetics, Fertility Center, Shenzhen Zhongshan Urology Hospital, Shenzhen 518045, China
| | - Jian Wang
- Department of Regenerative Medicine, Tongji University School of Medicine, Shanghai 200092, China
| | - Bo Lv
- Department of Regenerative Medicine, Tongji University School of Medicine, Shanghai 200092, China
| | - Junhui Zhang
- Reproductive Medical Center, Department of Obstetrics and Gynecology, the First Affiliated Hospital of Anhui Medical University, Hefei 230032, China
| | - Bin Ni
- NHC Key Laboratory of Birth Defect for Research and Prevention, Hunan Provincial Maternal and Child Health Care Hospital, Changsha 410008, China
| | - Zhigang Xue
- Department of Regenerative Medicine, Tongji University School of Medicine, Shanghai 200092, China.,Reproductive Medicine Center, Tongji Hospital, Tongji University School of Medicine, Shanghai 200065, China
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36
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Chapa-Dubocq X, Makarov V, Javadov S. Simple kinetic model of mitochondrial swelling in cardiac cells. J Cell Physiol 2018; 233:5310-5321. [PMID: 29215716 DOI: 10.1002/jcp.26335] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2017] [Accepted: 11/27/2017] [Indexed: 12/12/2022]
Abstract
Mitochondria play an important role in both cell survival and cell death. In response to oxidative stress, they undergo opening of non-selective permeability transition pores (PTP) in the inner mitochondrial membrane. Sustained PTP opening triggers mitochondrial swelling due to increased colloidal osmotic pressure in the matrix accompanied by mitochondrial membrane depolarization and ATP hydrolysis. Mitochondrial swelling is the major factor leading to mitochondria-mediated cell death through both apoptosis and necrosis. Hence, precise estimation of the threshold parameters of the transition of reversible swelling to irreversible swelling is important for understanding the mechanisms of PTP-mediated cell death as well as for the development of new therapeutic approaches targeting the mitochondria under pathological conditions. In this study, we designed a simple kinetic model of the Ca2+ -induced mitochondrial swelling that describes the mechanisms of transition from reversible to irreversible swelling in cardiac mitochondria. Values of kinetic parameters calculated using parameter estimation techniques that fit experimental data of mitochondrial swelling with minimum average differences between the experimental data and model parameters. Overall, this study provides a kinetic model verified by data simulation and model fitting that adequately describes the dynamics of mitochondrial swelling.
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Affiliation(s)
- Xavier Chapa-Dubocq
- Department of Physiology and Biophysics, Medical Sciences Campus University of Puerto Rico, San Juan, Puerto Rico
| | - Vladimir Makarov
- Department of Physics, University of Puerto Rico Rio Piedras Campus, San Juan, Puerto Rico
| | - Sabzali Javadov
- Department of Physiology and Biophysics, Medical Sciences Campus University of Puerto Rico, San Juan, Puerto Rico
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