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Matei E, Enciu M, Roșu MC, Voinea F, Mitroi AF, Deacu M, Băltățescu GI, Nicolau AA, Chisoi A, Aşchie M, Ionescu Mitu AC. Apoptosis-Cell Cycle-Autophagy Molecular Mechanisms Network in Heterogeneous Aggressive Phenotype Prostate Hyperplasia Primary Cell Cultures Have a Prognostic Role. Int J Mol Sci 2024; 25:9329. [PMID: 39273277 PMCID: PMC11394677 DOI: 10.3390/ijms25179329] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2024] [Revised: 08/26/2024] [Accepted: 08/26/2024] [Indexed: 09/15/2024] Open
Abstract
Our study highlights the apoptosis, cell cycle, DNA ploidy, and autophagy molecular mechanisms network to identify prostate pathogenesis and its prognostic role. Caspase 3/7 expressions, cell cycle, adhesion glycoproteins, autophagy, nuclear shrinkage, and oxidative stress by flow-cytometry analysis are used to study the BPH microenvironment's heterogeneity. A high late apoptosis expression by caspases 3/7 activity represents an unfavorable prognostic biomarker, a dependent predictor factor for cell adhesion, growth inhibition by arrest in the G2/M phase, and oxidative stress processes network. The heterogeneous aggressive phenotype prostate adenoma primary cell cultures present a high S-phase category (>12%), with an increased risk of death or recurrence due to aneuploid status presence, representing an unfavorable prognostic biomarker, a dependent predictor factor for caspase 3/7 activity (late apoptosis and necrosis), and cell growth inhibition (G2/M arrest)-linked mechanisms. Increased integrin levels in heterogenous BPH cultures suggest epithelial-mesenchymal transition (EMT) that maintains an aggressive phenotype by escaping cell apoptosis, leading to the cell proliferation necessary in prostate cancer (PCa) development. As predictor biomarkers, the biological mechanisms network involved in apoptosis, the cell cycle, and autophagy help to establish patient prognostic survival or target cancer therapy development.
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Affiliation(s)
- Elena Matei
- Center for Research and Development of the Morphological and Genetic Studies of Malignant Pathology, "Ovidius" University of Constanta, 145 Tomis Blvd., 900591 Constanta, Romania
| | - Manuela Enciu
- Clinical Service of Pathology, "Sf. Apostol Andrei" Emergency County Hospital, 145 Tomis Blvd., 900591 Constanta, Romania
- Medicine Faculty, "Ovidius" University of Constanta, 1 Universitatii Street, 900470 Constanta, Romania
| | - Mihai Cătălin Roșu
- Center for Research and Development of the Morphological and Genetic Studies of Malignant Pathology, "Ovidius" University of Constanta, 145 Tomis Blvd., 900591 Constanta, Romania
| | - Felix Voinea
- Medicine Faculty, "Ovidius" University of Constanta, 1 Universitatii Street, 900470 Constanta, Romania
- Urology Department, "Sf. Apostol Andrei" Emergency County Hospital, 145 Tomis Blvd., 900591 Constanta, Romania
| | - Anca Florentina Mitroi
- Center for Research and Development of the Morphological and Genetic Studies of Malignant Pathology, "Ovidius" University of Constanta, 145 Tomis Blvd., 900591 Constanta, Romania
- Clinical Service of Pathology, "Sf. Apostol Andrei" Emergency County Hospital, 145 Tomis Blvd., 900591 Constanta, Romania
| | - Mariana Deacu
- Clinical Service of Pathology, "Sf. Apostol Andrei" Emergency County Hospital, 145 Tomis Blvd., 900591 Constanta, Romania
- Medicine Faculty, "Ovidius" University of Constanta, 1 Universitatii Street, 900470 Constanta, Romania
| | - Gabriela Isabela Băltățescu
- Center for Research and Development of the Morphological and Genetic Studies of Malignant Pathology, "Ovidius" University of Constanta, 145 Tomis Blvd., 900591 Constanta, Romania
- Clinical Service of Pathology, "Sf. Apostol Andrei" Emergency County Hospital, 145 Tomis Blvd., 900591 Constanta, Romania
| | - Antonela-Anca Nicolau
- Center for Research and Development of the Morphological and Genetic Studies of Malignant Pathology, "Ovidius" University of Constanta, 145 Tomis Blvd., 900591 Constanta, Romania
- Clinical Service of Pathology, "Sf. Apostol Andrei" Emergency County Hospital, 145 Tomis Blvd., 900591 Constanta, Romania
| | - Anca Chisoi
- Center for Research and Development of the Morphological and Genetic Studies of Malignant Pathology, "Ovidius" University of Constanta, 145 Tomis Blvd., 900591 Constanta, Romania
| | - Mariana Aşchie
- Clinical Service of Pathology, "Sf. Apostol Andrei" Emergency County Hospital, 145 Tomis Blvd., 900591 Constanta, Romania
- Medicine Faculty, "Ovidius" University of Constanta, 1 Universitatii Street, 900470 Constanta, Romania
| | - Anita Cristina Ionescu Mitu
- Medicine Faculty, "Ovidius" University of Constanta, 1 Universitatii Street, 900470 Constanta, Romania
- Chemical Carcinogenesis and Molecular Biology Laboratory, Institute of Oncology "Prof. Dr. Alexandru Trestioreanu", 022328 Bucharest, Romania
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He SF, Han WC, Shao YY, Zhang HB, Hong WX, Yang QH, Zhang YQ, He RR, Sun J. Iridium(III) complex induces apoptosis in HeLa cells by regulating mitochondrial and PI3K/AKT signaling pathways: In vitro and in vivo experiments. Bioorg Chem 2023; 141:106867. [PMID: 37734195 DOI: 10.1016/j.bioorg.2023.106867] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Revised: 09/08/2023] [Accepted: 09/14/2023] [Indexed: 09/23/2023]
Abstract
Cyclometalated iridium complexes with mitochondrial targeting show great potential as substitutes for platinum-based complexes because of their strong anti-cancer properties. Three novel cyclometalated iridium(III) compounds were synthesized and evaluated in five different cell lines as part of the ongoing systematic investigations of these compounds. The complexes were prepared using 4,7-dichloro-1,10-phenanthroline ligands. The cytotoxicity of complexes Ir1-Ir3 towards HeLa cells was shown to be high, with IC50 values of 0.83±0.06, 4.73±0.11, and 4.95±0.62 μM, respectively. Complex Ir1 could be ingested by HeLa cells in 3 h and has shown high selectivity toward mitochondria. Subsequent investigations demonstrated that Ir1 triggered apoptosis in HeLa cells by augmenting the generation of reactive oxygen species (ROS), reducing the mitochondrial membrane potential, and depleting ATP levels. Furthermore, the movement of cells was significantly suppressed and the progression of the cell cycle was arrested in the G0/G1 phase following the administration of Ir1. The Western blot analysis demonstrated that the induction of apoptosis in HeLa cells by Ir1 involves the activation of the mitochondria-dependent channel and the PI3K/AKT signaling pathway. No significant cytotoxicity was observed in zebrafish embryos at concentrations less than or equal to 16 µM, e.g., survival rate and developmental abnormalities. In vivo, antitumor assay demonstrated that Ir1 suppressed tumor growth in mice. Therefore, our work shows that complex Ir1 could be a promising candidate for developing novel antitumor drugs.
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Affiliation(s)
- Shu-Fen He
- Department of Pharmacy, The Tenth Affiliated Hospital of Southern Medical University (Dongguan People's Hospital), Dongguan 523059, China
| | - Wei-Chao Han
- Department of Pharmacy, The Tenth Affiliated Hospital of Southern Medical University (Dongguan People's Hospital), Dongguan 523059, China
| | - Ying-Ying Shao
- Department of Pharmacy, The Tenth Affiliated Hospital of Southern Medical University (Dongguan People's Hospital), Dongguan 523059, China
| | - Han-Bin Zhang
- Department of Pharmacy, The Tenth Affiliated Hospital of Southern Medical University (Dongguan People's Hospital), Dongguan 523059, China
| | - Wen-Xin Hong
- Department of Health, Dongguan Maternal and Child Health Care Hospital, Dongguan 523129, China
| | - Qiu-Hong Yang
- Department of Pharmacy, The Tenth Affiliated Hospital of Southern Medical University (Dongguan People's Hospital), Dongguan 523059, China
| | - Yu-Qing Zhang
- School of Pharmacy, Guangdong Medical University, Dongguan 523808, China
| | - Rui-Rong He
- Department of Pharmacy, The Tenth Affiliated Hospital of Southern Medical University (Dongguan People's Hospital), Dongguan 523059, China.
| | - Jing Sun
- School of Pharmacy, Guangdong Medical University, Dongguan 523808, China.
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Qiao H, Xu Q, Xu Y, Zhao Y, He N, Tang J, Zhao J, Liu Y. Molecular chaperones in stroke-induced immunosuppression. Neural Regen Res 2023; 18:2638-2644. [PMID: 37449602 DOI: 10.4103/1673-5374.373678] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/18/2023] Open
Abstract
Stroke-induced immunosuppression is a process that leads to peripheral suppression of the immune system after a stroke and belongs to the central nervous system injury-induced immunosuppressive syndrome. Stroke-induced immunosuppression leads to increased susceptibility to post-stroke infections, such as urinary tract infections and stroke-associated pneumonia, worsening prognosis. Molecular chaperones are a large class of proteins that are able to maintain proteostasis by directing the folding of nascent polypeptide chains, refolding misfolded proteins, and targeting misfolded proteins for degradation. Various molecular chaperones have been shown to play roles in stroke-induced immunosuppression by modulating the activity of other molecular chaperones, cochaperones, and their associated pathways. This review summarizes the role of molecular chaperones in stroke-induced immunosuppression and discusses new approaches to restore host immune defense after stroke.
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Affiliation(s)
- Haoduo Qiao
- Department of Neurosurgery, Xiangya Hospital, Central South University; Department of Pathophysiology, Xiangya School of Medicine, Central South University; Sepsis Translational Medicine Key Laboratory of Hunan Province; National Medicine Functional Experimental Teaching Center, Changsha, Hunan Province, China
| | - Qing Xu
- Department of Neurosurgery, Xiangya Hospital, Central South University; Department of Pathophysiology, Xiangya School of Medicine, Central South University; Sepsis Translational Medicine Key Laboratory of Hunan Province; National Medicine Functional Experimental Teaching Center, Changsha, Hunan Province, China
| | - Yunfei Xu
- Department of Neurosurgery, Xiangya Hospital, Central South University; Department of Pathophysiology, Xiangya School of Medicine, Central South University; Sepsis Translational Medicine Key Laboratory of Hunan Province; National Medicine Functional Experimental Teaching Center, Changsha, Hunan Province, China
| | - Yao Zhao
- Department of Neurosurgery, Xiangya Hospital, Central South University; Department of Pathophysiology, Xiangya School of Medicine, Central South University; Sepsis Translational Medicine Key Laboratory of Hunan Province; National Medicine Functional Experimental Teaching Center, Changsha, Hunan Province, China
| | - Nina He
- Department of Neurosurgery, Xiangya Hospital, Central South University; Department of Pathophysiology, Xiangya School of Medicine, Central South University; Sepsis Translational Medicine Key Laboratory of Hunan Province; National Medicine Functional Experimental Teaching Center, Changsha, Hunan Province, China
| | - Jie Tang
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, Changsha, Hunan Province, China
| | - Jie Zhao
- Department of Neurosurgery, Xiangya Hospital, Central South University; Department of Pathophysiology, Xiangya School of Medicine, Central South University; Sepsis Translational Medicine Key Laboratory of Hunan Province; National Medicine Functional Experimental Teaching Center, Changsha, Hunan Province, China
| | - Ying Liu
- Department of Neurosurgery, Xiangya Hospital, Central South University; Department of Pathophysiology, Xiangya School of Medicine, Central South University; Sepsis Translational Medicine Key Laboratory of Hunan Province; National Medicine Functional Experimental Teaching Center, Changsha, Hunan Province, China
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Xu W, Gao W, Guo Y, Xue F, Di L, Fang S, Fan L, He Y, Zhou Y, Xie X, Pang X. Targeting mitophagy for depression amelioration: a novel therapeutic strategy. Front Neurosci 2023; 17:1235241. [PMID: 37869512 PMCID: PMC10587558 DOI: 10.3389/fnins.2023.1235241] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Accepted: 09/20/2023] [Indexed: 10/24/2023] Open
Abstract
Major depressive disorder is a global psychiatric condition characterized by persistent low mood and anhedonia, which seriously jeopardizes the physical and mental well-being of affected individuals. While various hypotheses have been proposed to explicate the etiology of depression, the precise pathogenesis and effective treatment of this disorder remain elusive. Mitochondria, as the primary organelles responsible for cellular energy production, possess the ability to meet the essential energy demands of the brain. Research indicated that the accumulation of damaged mitochondria is associated with the onset of depression. Mitophagy, a type of cellular autophagy, specifically targets and removes excess or damaged mitochondria. Emerging evidence demonstrated that mitophagy dysfunction was involved in the progression of depression, and several pharmacological interventions that stimulating mitophagy exerted excellent antidepressant actions. We provided an overview of updated advancements on the regulatory mechanism of mitophagy and the mitophagy abnormality in depressed patients and animals, as well as in cell models of depression. Meanwhile, various therapeutic strategies to restore mitophagy for depression alleviation were also discussed in this review.
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Affiliation(s)
- Wangjun Xu
- School of Pharmacy, Henan University, Kaifeng, China
| | - Weiping Gao
- School of Pharmacy, Henan University, Kaifeng, China
| | - Yukun Guo
- School of Pharmacy, Henan University, Kaifeng, China
| | - Feng Xue
- School of Pharmacy, Henan University, Kaifeng, China
| | - Lulu Di
- School of Pharmacy, Henan University, Kaifeng, China
| | - Shaojie Fang
- School of Pharmacy, Henan University, Kaifeng, China
| | - Linlin Fan
- Henan Key Laboratory of Brain Targeted Bio-nanomedicine, School of Pharmacy, Henan University, Kaifeng, China
| | - Yangyang He
- School of Pharmacy, Henan University, Kaifeng, China
- Institutes of Traditional Chinese Medicine, Henan University, Kaifeng, China
| | - Yunfeng Zhou
- School of Pharmacy, Henan University, Kaifeng, China
- Henan Province Engineering Research Center of High Value Utilization to Natural Medical Resource in Yellow River Basin, School of Pharmacy, Henan University, Kaifeng, China
| | - Xinmei Xie
- School of Pharmacy, Henan University, Kaifeng, China
- Henan Province Engineering Research Center of High Value Utilization to Natural Medical Resource in Yellow River Basin, School of Pharmacy, Henan University, Kaifeng, China
| | - Xiaobin Pang
- School of Pharmacy, Henan University, Kaifeng, China
- Institutes of Traditional Chinese Medicine, Henan University, Kaifeng, China
- Henan Province Engineering Research Center of High Value Utilization to Natural Medical Resource in Yellow River Basin, School of Pharmacy, Henan University, Kaifeng, China
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Flowers S, Kothari R, Torres Cleuren YN, Alcorn MR, Ewe CK, Alok G, Fiallo SL, Joshi PM, Rothman JH. Regulation of defective mitochondrial DNA accumulation and transmission in C. elegans by the programmed cell death and aging pathways. eLife 2023; 12:e79725. [PMID: 37782016 PMCID: PMC10545429 DOI: 10.7554/elife.79725] [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: 04/24/2022] [Accepted: 09/15/2023] [Indexed: 10/03/2023] Open
Abstract
The heteroplasmic state of eukaryotic cells allows for cryptic accumulation of defective mitochondrial genomes (mtDNA). 'Purifying selection' mechanisms operate to remove such dysfunctional mtDNAs. We found that activators of programmed cell death (PCD), including the CED-3 and CSP-1 caspases, the BH3-only protein CED-13, and PCD corpse engulfment factors, are required in C. elegans to attenuate germline abundance of a 3.1-kb mtDNA deletion mutation, uaDf5, which is normally stably maintained in heteroplasmy with wildtype mtDNA. In contrast, removal of CED-4/Apaf1 or a mutation in the CED-4-interacting prodomain of CED-3, do not increase accumulation of the defective mtDNA, suggesting induction of a non-canonical germline PCD mechanism or non-apoptotic action of the CED-13/caspase axis. We also found that the abundance of germline mtDNAuaDf5 reproducibly increases with age of the mothers. This effect is transmitted to the offspring of mothers, with only partial intergenerational removal of the defective mtDNA. In mutants with elevated mtDNAuaDf5 levels, this removal is enhanced in older mothers, suggesting an age-dependent mechanism of mtDNA quality control. Indeed, we found that both steady-state and age-dependent accumulation rates of uaDf5 are markedly decreased in long-lived, and increased in short-lived, mutants. These findings reveal that regulators of both PCD and the aging program are required for germline mtDNA quality control and its intergenerational transmission.
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Affiliation(s)
- Sagen Flowers
- Department of MCD Biology and Neuroscience Research Institute, University of California, Santa BarbaraSanta BarbaraUnited States
| | - Rushali Kothari
- Department of MCD Biology and Neuroscience Research Institute, University of California, Santa BarbaraSanta BarbaraUnited States
| | - Yamila N Torres Cleuren
- Department of MCD Biology and Neuroscience Research Institute, University of California, Santa BarbaraSanta BarbaraUnited States
- Computational Biology Unit, Institute for Informatics, University of BergenBergenNorway
| | - Melissa R Alcorn
- Department of MCD Biology and Neuroscience Research Institute, University of California, Santa BarbaraSanta BarbaraUnited States
| | - Chee Kiang Ewe
- Department of MCD Biology and Neuroscience Research Institute, University of California, Santa BarbaraSanta BarbaraUnited States
| | - Geneva Alok
- Department of MCD Biology and Neuroscience Research Institute, University of California, Santa BarbaraSanta BarbaraUnited States
| | - Samantha L Fiallo
- Department of MCD Biology and Neuroscience Research Institute, University of California, Santa BarbaraSanta BarbaraUnited States
| | - Pradeep M Joshi
- Department of MCD Biology and Neuroscience Research Institute, University of California, Santa BarbaraSanta BarbaraUnited States
| | - Joel H Rothman
- Department of MCD Biology and Neuroscience Research Institute, University of California, Santa BarbaraSanta BarbaraUnited States
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Harrington JS, Ryter SW, Plataki M, Price DR, Choi AMK. Mitochondria in health, disease, and aging. Physiol Rev 2023; 103:2349-2422. [PMID: 37021870 PMCID: PMC10393386 DOI: 10.1152/physrev.00058.2021] [Citation(s) in RCA: 129] [Impact Index Per Article: 129.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Revised: 03/28/2023] [Accepted: 03/30/2023] [Indexed: 04/07/2023] Open
Abstract
Mitochondria are well known as organelles responsible for the maintenance of cellular bioenergetics through the production of ATP. Although oxidative phosphorylation may be their most important function, mitochondria are also integral for the synthesis of metabolic precursors, calcium regulation, the production of reactive oxygen species, immune signaling, and apoptosis. Considering the breadth of their responsibilities, mitochondria are fundamental for cellular metabolism and homeostasis. Appreciating this significance, translational medicine has begun to investigate how mitochondrial dysfunction can represent a harbinger of disease. In this review, we provide a detailed overview of mitochondrial metabolism, cellular bioenergetics, mitochondrial dynamics, autophagy, mitochondrial damage-associated molecular patterns, mitochondria-mediated cell death pathways, and how mitochondrial dysfunction at any of these levels is associated with disease pathogenesis. Mitochondria-dependent pathways may thereby represent an attractive therapeutic target for ameliorating human disease.
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Affiliation(s)
- John S Harrington
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, New York-Presbyterian Hospital/Weill Cornell Medical Center, Weill Cornell Medicine, New York, New York, United States
| | | | - Maria Plataki
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, New York-Presbyterian Hospital/Weill Cornell Medical Center, Weill Cornell Medicine, New York, New York, United States
| | - David R Price
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, New York-Presbyterian Hospital/Weill Cornell Medical Center, Weill Cornell Medicine, New York, New York, United States
| | - Augustine M K Choi
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, New York-Presbyterian Hospital/Weill Cornell Medical Center, Weill Cornell Medicine, New York, New York, United States
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Lyu Y, Wang T, Huang S, Zhang Z. Mitochondrial Damage-Associated Molecular Patterns and Metabolism in the Regulation of Innate Immunity. J Innate Immun 2023; 15:665-679. [PMID: 37666239 PMCID: PMC10601681 DOI: 10.1159/000533602] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Accepted: 08/10/2023] [Indexed: 09/06/2023] Open
Abstract
The innate immune system, as the host's first line of defense against intruders, plays a critical role in recognizing, identifying, and reacting to a wide range of microbial intruders. There is increasing evidence that mitochondrial stress is a major initiator of innate immune responses. When mitochondria's integrity is disrupted or dysfunction occurs, the mitochondria's contents are released into the cytosol. These contents, like reactive oxygen species, mitochondrial DNA, and double-stranded RNA, among others, act as damage-related molecular patterns (DAMPs) that can bind to multiple innate immune sensors, particularly pattern recognition receptors, thereby leading to inflammation. To avoid the production of DAMPs, in addition to safeguarding organelles integrity and functionality, mitochondria may activate mitophagy or apoptosis. Moreover, mitochondrial components and specific metabolic regulations modify properties of innate immune cells. These include macrophages, dendritic cells, innate lymphoid cells, and so on, in steady state or in stimulation that are involved in processes ranging from the tricarboxylic acid cycle to oxidative phosphorylation and fatty acid metabolism. Here we provide a brief summary of mitochondrial DAMPs' initiated and potentiated inflammatory response in the innate immune system. We also provide insights into how the state of activation, differentiation, and functional polarization of innate immune cells can be influenced by alteration to the metabolic pathways in mitochondria.
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Affiliation(s)
- Yanmin Lyu
- School of Clinical and Basic Medical Sciences, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
- Beijing Institute of Basic Medical Sciences, Beijing, China
| | - Tianyu Wang
- School of Clinical and Basic Medical Sciences, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Shuhong Huang
- School of Clinical and Basic Medical Sciences, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Zhaoqiang Zhang
- School of Clinical and Basic Medical Sciences, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
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Belyaeva E, Loginova N, Schroeder BA, Goldlust IS, Acharya A, Kumar S, Timashev P, Ulasov I. The spectrum of cell death in sarcoma. Biomed Pharmacother 2023; 162:114683. [PMID: 37031493 DOI: 10.1016/j.biopha.2023.114683] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Revised: 04/01/2023] [Accepted: 04/06/2023] [Indexed: 04/11/2023] Open
Abstract
The balance between cell death and cell survival is a highly coordinated process by which cells break down and remove unnecessary or harmful materials in a controlled, highly regulated, and compartmentalized manner. Cell exposure to various stresses, such as oxygen starvation, a lack of nutrients, or exposure to radiation, can initiate autophagy. Autophagy is a carefully orchestrated process with multiple steps, each regulated by specific genes and proteins. Autophagy proteins impact cellular maintenance and cell fate in response to stress, and targeting this process is one of the most promising methods of anti-tumor therapy. It is currently not fully understood how autophagy affects different types of tumor cells, which makes it challenging to predict outcomes when this process is manipulated. In this review, we will explore the mechanisms of autophagy and investigate it as a potential and promising therapeutic target for aggressive sarcomas.
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Affiliation(s)
- Elizaveta Belyaeva
- Group of Experimental Biotherapy and Diagnostics, Institute for Regenerative Medicine, World-Class Research Centre "Digital Biodesign and Personalized Healthcare", I.M. Sechenov First Moscow State Medical University, Moscow 119991, Russia
| | - Nina Loginova
- Group of Experimental Biotherapy and Diagnostics, Institute for Regenerative Medicine, World-Class Research Centre "Digital Biodesign and Personalized Healthcare", I.M. Sechenov First Moscow State Medical University, Moscow 119991, Russia
| | - Brett A Schroeder
- National Cancer Institute, National Institutes of Health, Bethesda, MD 20814, USA
| | - Ian S Goldlust
- National Cancer Institute, National Institutes of Health, Bethesda, MD 20814, USA
| | - Arbind Acharya
- Laboratory of Cancer Immunology, Department of Zoology, Institute of Science, Banaras Hindu University, Varanasi 221005, Uttar Pradesh, India
| | - Sandeep Kumar
- Laboratory of Cancer Immunology, Department of Zoology, Institute of Science, Banaras Hindu University, Varanasi 221005, Uttar Pradesh, India
| | - Peter Timashev
- World-Class Research Centre "Digital Biodesign and Personalized Healthcare", Sechenov First Moscow State Medical University, Moscow 119991, Russia
| | - Ilya Ulasov
- Group of Experimental Biotherapy and Diagnostics, Institute for Regenerative Medicine, World-Class Research Centre "Digital Biodesign and Personalized Healthcare", I.M. Sechenov First Moscow State Medical University, Moscow 119991, Russia.
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Lin YC, Lin YC, Tsai ML, Liao WT, Hung CH. TSLP regulates mitochondrial ROS-induced mitophagy via histone modification in human monocytes. Cell Biosci 2022; 12:32. [PMID: 35292112 PMCID: PMC8925056 DOI: 10.1186/s13578-022-00767-w] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Accepted: 03/01/2022] [Indexed: 11/24/2022] Open
Abstract
Background Thymic stromal lymphopoietin (TSLP) is a Th2-like cytokine involved in asthma pathogenesis. Excessive reactive oxygen species (ROS) production can lead to airway inflammation, hyperresponsiveness and remodeling. Mitophagy, followed by ROS production, is the selective degradation of mitochondria by autophagy and often occurs in defective mitochondria. In the present study, we aimed to examine the effects of TSLP on ROS production and mitophagy in human monocytes and to investigate the underlying mechanisms, including epigenetic regulation. Results TSLP induced ROS generation, and the effects were reversed by the antioxidant N-acetylcysteine (NAC) in THP-1 cells. Transmission electron microscopy images showed donut-shaped mitochondria that lost the cristae ultrastructure after TSLP stimulation. A decrease in mitochondrial membrane potential, decreased MTCO2 expression, and increased mitochondrial DNA release after TSLP stimulation were found. TSLP enhanced mitochondrial complex I and complex II/III activity and increased mitochondrial copy numbers and the expression of the complex II SHDA gene. TSLP-induced SHDA expression was inhibited by the histone acetyltransferase inhibitor anacardic acid (AA) and the histone methyltransferase inhibitor methylthioadenosine (MTA), and chromatin immunoprecipitation assays revealed that TSLP enhanced H3 acetylation, H4 acetylation, and H3K4 and H3K36 trimethylation in the SHDA promoter. Confocal laser microscopy showed that TSLP treatment increased the signals of the mitophagy-related proteins PINK1, LC3, phospho-parkin and phospho-ubiquitin, and pretreatment with AA and MTA reduced TSLP-induced PINK1 and LC3 accumulation in mitochondria. Western blot analysis showed that TSLP significantly increased phosphor-AMPK signal intensity, and the effects were inhibited by the antioxidant NAC. The increased signal intensities of the mitophagy-related proteins PINK1, Parkin and LC3 I/II were decreased by dorsomorphin, an AMPK inhibitor. TSLP decreased M1-related cytokine CXCL-10 production and increased M2-related cytokine CCL-1 and CCL-22 production, which was suppressed by the mitophagy inhibitor Mdivi-1 and PINK1 gene knockdown. Conclusions Epithelial-derived TSLP regulates ROS production and mitophagy through AMPK activation and histone modification and alters M1/M2 chemokine expression in human monocytes. Graphical Abstract ![]()
Supplementary Information The online version contains supplementary material available at 10.1186/s13578-022-00767-w.
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Dai W, Deng Y, Chen X, Huang Y, Hu H, Jin Q, Tang Z, Ji J. A mitochondria-targeted supramolecular nanoplatform for peroxynitrite-potentiated oxidative therapy of orthotopic hepatoma. Biomaterials 2022; 290:121854. [DOI: 10.1016/j.biomaterials.2022.121854] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Revised: 09/23/2022] [Accepted: 10/06/2022] [Indexed: 11/28/2022]
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Chen XJ, Cui QX, Wang GL, Li XL, Zhou XL, Zhao HJ, Zhang MQ, Li MJ, He XJ, Zheng QS, Wang YL, Li D, Hong P. Sanggenon C Suppresses Tumorigenesis of Gastric Cancer by Blocking ERK-Drp1-Mediated Mitochondrial Fission. JOURNAL OF NATURAL PRODUCTS 2022; 85:2351-2362. [PMID: 36256535 DOI: 10.1021/acs.jnatprod.2c00524] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Sanggenon C is a flavonoid extracted from the root bark of white mulberry, which is a traditional Chinese medicine with anti-inflammatory, antioxidative, and antitumor pharmacological effects. In this study, sanggenon C was found to inhibit human gastric cancer (GC) cell proliferation and colony formation, induce GC cell cycle arrest in the G0-G1 phase, and promote GC cell apoptosis. Moreover, sanggenon C was found to decrease the level of mitochondrial membrane potential in GC cells and inhibit mitochondrial fission. Mechanistically, RNA sequencing, bioinformatics analysis, and a series of functional analyses confirmed that sanggenon C inhibited mitochondrial fission to induce apoptosis by blocking the extracellular regulated protein kinases (ERK) signaling pathway, and constitutive activation of ERK significantly abrogated these effects. Finally, sanggenon C was found to suppress the growth of tumor xenografts in nude mice without obvious side effects to the vital organs of animals. This study reveals that sanggenon C could be a novel therapeutic strategy for GC treatment.
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Affiliation(s)
- Xiao-Jie Chen
- Yantai Key Laboratory of Pharmacology of Traditional Chinese Medicine in Tumor Metabolism, School of Integrated Traditional Chinese and Western Medicine, Binzhou Medical University, Yantai 264003, Shandong, People's Republic of China
- Collaborative Innovation Platform for Modernization and Industrialization of Regional Characteristic Traditional Chinese Medicine, School of Integrated Traditional Chinese and Western Medicine, Binzhou Medical University, Yantai 264003, Shandong, People's Republic of China
| | - Qi-Xiao Cui
- Yantai Key Laboratory of Pharmacology of Traditional Chinese Medicine in Tumor Metabolism, School of Integrated Traditional Chinese and Western Medicine, Binzhou Medical University, Yantai 264003, Shandong, People's Republic of China
- Collaborative Innovation Platform for Modernization and Industrialization of Regional Characteristic Traditional Chinese Medicine, School of Integrated Traditional Chinese and Western Medicine, Binzhou Medical University, Yantai 264003, Shandong, People's Republic of China
- College of Stomatology, Binzhou Medical University, Yantai 264003, Shandong, People's Republic of China
| | - Guo-Li Wang
- Yantai Key Laboratory of Pharmacology of Traditional Chinese Medicine in Tumor Metabolism, School of Integrated Traditional Chinese and Western Medicine, Binzhou Medical University, Yantai 264003, Shandong, People's Republic of China
- Collaborative Innovation Platform for Modernization and Industrialization of Regional Characteristic Traditional Chinese Medicine, School of Integrated Traditional Chinese and Western Medicine, Binzhou Medical University, Yantai 264003, Shandong, People's Republic of China
| | - Xiao-Li Li
- Yantai Key Laboratory of Pharmacology of Traditional Chinese Medicine in Tumor Metabolism, School of Integrated Traditional Chinese and Western Medicine, Binzhou Medical University, Yantai 264003, Shandong, People's Republic of China
- Collaborative Innovation Platform for Modernization and Industrialization of Regional Characteristic Traditional Chinese Medicine, School of Integrated Traditional Chinese and Western Medicine, Binzhou Medical University, Yantai 264003, Shandong, People's Republic of China
| | - Xiao-Lin Zhou
- Yantai Key Laboratory of Pharmacology of Traditional Chinese Medicine in Tumor Metabolism, School of Integrated Traditional Chinese and Western Medicine, Binzhou Medical University, Yantai 264003, Shandong, People's Republic of China
- Collaborative Innovation Platform for Modernization and Industrialization of Regional Characteristic Traditional Chinese Medicine, School of Integrated Traditional Chinese and Western Medicine, Binzhou Medical University, Yantai 264003, Shandong, People's Republic of China
| | - Hui-Jie Zhao
- Yantai Key Laboratory of Pharmacology of Traditional Chinese Medicine in Tumor Metabolism, School of Integrated Traditional Chinese and Western Medicine, Binzhou Medical University, Yantai 264003, Shandong, People's Republic of China
- Collaborative Innovation Platform for Modernization and Industrialization of Regional Characteristic Traditional Chinese Medicine, School of Integrated Traditional Chinese and Western Medicine, Binzhou Medical University, Yantai 264003, Shandong, People's Republic of China
| | - Ming-Qian Zhang
- Yantai Key Laboratory of Pharmacology of Traditional Chinese Medicine in Tumor Metabolism, School of Integrated Traditional Chinese and Western Medicine, Binzhou Medical University, Yantai 264003, Shandong, People's Republic of China
- Collaborative Innovation Platform for Modernization and Industrialization of Regional Characteristic Traditional Chinese Medicine, School of Integrated Traditional Chinese and Western Medicine, Binzhou Medical University, Yantai 264003, Shandong, People's Republic of China
| | - Min-Jing Li
- Yantai Key Laboratory of Pharmacology of Traditional Chinese Medicine in Tumor Metabolism, School of Integrated Traditional Chinese and Western Medicine, Binzhou Medical University, Yantai 264003, Shandong, People's Republic of China
- Collaborative Innovation Platform for Modernization and Industrialization of Regional Characteristic Traditional Chinese Medicine, School of Integrated Traditional Chinese and Western Medicine, Binzhou Medical University, Yantai 264003, Shandong, People's Republic of China
| | - Xiao-Juan He
- Institute of Basic Research in Clinical Medicine, China Academy of Chinese Medical Sciences, Beijing 100700, People's Republic of China
| | - Qiu-Sheng Zheng
- Yantai Key Laboratory of Pharmacology of Traditional Chinese Medicine in Tumor Metabolism, School of Integrated Traditional Chinese and Western Medicine, Binzhou Medical University, Yantai 264003, Shandong, People's Republic of China
- Collaborative Innovation Platform for Modernization and Industrialization of Regional Characteristic Traditional Chinese Medicine, School of Integrated Traditional Chinese and Western Medicine, Binzhou Medical University, Yantai 264003, Shandong, People's Republic of China
| | - Yu-Liang Wang
- College of Stomatology, Binzhou Medical University, Yantai 264003, Shandong, People's Republic of China
| | - Defang Li
- Yantai Key Laboratory of Pharmacology of Traditional Chinese Medicine in Tumor Metabolism, School of Integrated Traditional Chinese and Western Medicine, Binzhou Medical University, Yantai 264003, Shandong, People's Republic of China
- Collaborative Innovation Platform for Modernization and Industrialization of Regional Characteristic Traditional Chinese Medicine, School of Integrated Traditional Chinese and Western Medicine, Binzhou Medical University, Yantai 264003, Shandong, People's Republic of China
| | - Pan Hong
- Yantai Key Laboratory of Pharmacology of Traditional Chinese Medicine in Tumor Metabolism, School of Integrated Traditional Chinese and Western Medicine, Binzhou Medical University, Yantai 264003, Shandong, People's Republic of China
- Collaborative Innovation Platform for Modernization and Industrialization of Regional Characteristic Traditional Chinese Medicine, School of Integrated Traditional Chinese and Western Medicine, Binzhou Medical University, Yantai 264003, Shandong, People's Republic of China
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12
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Effects of Ultra-High Pressure on Endogenous Enzyme Activities, Protein Properties, and Quality Characteristics of Shrimp (Litopenaeus vannamei) during Iced Storage. Molecules 2022; 27:molecules27196302. [PMID: 36234840 PMCID: PMC9571125 DOI: 10.3390/molecules27196302] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2022] [Revised: 09/19/2022] [Accepted: 09/21/2022] [Indexed: 11/21/2022] Open
Abstract
The present study aimed to explore the effects of ultra-high pressure (UHP) on the cathepsin (B, D, H, and L) activities, protein oxidation, and degradation properties as well as quality characteristics of iced shrimp (Litopenaeus vannamei). Fresh shrimps were vacuum-packed, treated with UHP (100–500 MPa for 5 min), and stored at 0 °C for 15 days. The results showed that the L* (luminance), b* (yellowness), W (whiteness), ΔE (color difference), hardness, shear force, gumminess, chewiness, and resilience of shrimp were significantly improved by UHP treatment. Moreover, the contents of surface hydrophobicity, myofibril fragmentation index (MFI), trichloroacetic acid (TCA)-soluble peptides, carbonyl, dityrosine, and free sulfhydryl of myofibrillar protein (MP) were significantly promoted by UHP treatment. In addition, UHP (above 300 MPa) treatment enhanced the mitochondrial membrane permeability but inhibited the lysosomal membrane stability, and the cathepsin (B, D, H, and L) activities. UHP treatment notably inhibited the activities of cathepsins, delayed protein oxidation and degradation, as well as texture softening of shrimp during storage. Generally, UHP treatment at 300 MPa for 5 min effectively delayed the protein and quality deterioration caused by endogenous enzymes and prolonged the shelf life of shrimp by 8 days.
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13
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Cell death in skin function, inflammation, and disease. Biochem J 2022; 479:1621-1651. [PMID: 35929827 PMCID: PMC9444075 DOI: 10.1042/bcj20210606] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Revised: 07/20/2022] [Accepted: 07/22/2022] [Indexed: 11/17/2022]
Abstract
Cell death is an essential process that plays a vital role in restoring and maintaining skin homeostasis. It supports recovery from acute injury and infection and regulates barrier function and immunity. Cell death can also provoke inflammatory responses. Loss of cell membrane integrity with lytic forms of cell death can incite inflammation due to the uncontrolled release of cell contents. Excessive or poorly regulated cell death is increasingly recognised as contributing to cutaneous inflammation. Therefore, drugs that inhibit cell death could be used therapeutically to treat certain inflammatory skin diseases. Programmes to develop such inhibitors are already underway. In this review, we outline the mechanisms of skin-associated cell death programmes; apoptosis, necroptosis, pyroptosis, NETosis, and the epidermal terminal differentiation programme, cornification. We discuss the evidence for their role in skin inflammation and disease and discuss therapeutic opportunities for targeting the cell death machinery.
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14
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Role of Caspase Family in Intervertebral Disc Degeneration and Its Therapeutic Prospects. Biomolecules 2022; 12:biom12081074. [PMID: 36008968 PMCID: PMC9406018 DOI: 10.3390/biom12081074] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Revised: 07/31/2022] [Accepted: 08/02/2022] [Indexed: 11/17/2022] Open
Abstract
Intervertebral disc degeneration (IVDD) is a common musculoskeletal degenerative disease worldwide, of which the main clinical manifestation is low back pain (LBP); approximately, 80% of people suffer from it in their lifetime. Currently, the pathogenesis of IVDD is unclear, and modern treatments can only alleviate its symptoms but cannot inhibit or reverse its progression. However, in recent years, targeted therapy has led to new therapeutic strategies. Cysteine-containing aspartate proteolytic enzymes (caspases) are a family of proteases present in the cytoplasm. They are evolutionarily conserved and are involved in cell growth, differentiation, and apoptotic death of eukaryotic cells. In recent years, it has been confirmed to be involved in the pathogenesis of various diseases, mainly by regulating cell apoptosis and inflammatory response. With continuous research on the pathogenesis and pathological process of IVDD, an increasing number of studies have shown that caspases are closely related to the IVDD process, especially in the intervertebral disc (IVD) cell apoptosis and inflammatory response. Therefore, herein we study the role of caspases in IVDD with respect to the structure of caspases and the related signaling pathways involved. This would help explore the strategy of regulating the activity of the caspases involved and develop caspase inhibitors to prevent and treat IVDD. The aim of this review was to identify the caspases involved in IVDD which could be potential targets for the treatment of IVDD.
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15
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Therapeutic Potential of Mesenchymal Stem Cells versus Omega n − 3 Polyunsaturated Fatty Acids on Gentamicin-Induced Cardiac Degeneration. Pharmaceutics 2022; 14:pharmaceutics14071322. [PMID: 35890218 PMCID: PMC9319609 DOI: 10.3390/pharmaceutics14071322] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Revised: 05/28/2022] [Accepted: 06/17/2022] [Indexed: 01/27/2023] Open
Abstract
This study compared the cardioprotective action of mesenchymal stem cells (MSCs) and PUFAs in a rat model of gentamicin (GM)-induced cardiac degeneration. Male Wistar albino rats were randomized into four groups of eight rats each: group I (control group), group II (gentamicin-treated rats receiving gentamicin intraperitoneally (IP) at dose of 100 mg/kg/day for 10 consecutive days), group III (gentamicin and PUFA group receiving gentamicin IP at dose of 100 mg/kg/day for 10 consecutive days followed by PUFAs at a dose of 100 mg/kg/day for 4 weeks), and group IV (gentamicin and MSC group receiving gentamicin IP at dose of 100 mg/kg/day followed by a single dose of MSCs (1 × 106)/rat IP). Cardiac histopathology was evaluated via light and electron microscopy. Immunohistochemical detection of proliferating cell nuclear antigen (PCNA), caspase-3 (apoptosis), Bcl2, and Bax expression was performed. Moreover, cardiac malonaldehyde (MDA) content, catalase activity, and oxidative stress parameters were biochemically evaluated. Light and electron microscopy showed that both MSCs and PUFAs had ameliorative effects. Their actions were mediated by upregulating PCNA expression, downregulating caspase-3 expression, mitigating cardiac MDA content, catalase activity, and oxidative stress parameters. MSCs and PUFAs had ameliorative effects against gentamicin-induced cardiac degeneration, with MSCs showing higher efficacy compared to PUFAs.
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16
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Lin YC, Lin YC, Tsai ML, Tsai YG, Kuo CH, Hung CH. IL-33 regulates M1/M2 chemokine expression via mitochondrial redox-related mitophagy in human monocytes. Chem Biol Interact 2022; 359:109915. [PMID: 35339432 DOI: 10.1016/j.cbi.2022.109915] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Revised: 02/12/2022] [Accepted: 03/21/2022] [Indexed: 11/27/2022]
Abstract
Interleukin (IL)-33 is an epithelial-derived cytokine that enhances T helper (Th) 2 responses. Allergens and other agents induce IL-33 in asthma. Excessive production of reactive oxygen species (ROS) leads to airway inflammation. Mitophagy is the selective degradation of mitochondria by autophagy and often occurs in defective mitochondria, followed by ROS production. In the present study, we examined the effects of IL-33 on ROS production and mitophagy in human monocytes, and the detailed mechanisms were investigated. Human monocyte cell line THP-1 was pretreated with different concentrations of IL-33. ROS production was measured by flow cytometry. Mitochondrial involvement and the mitophagy and intercellular pathway activation were evaluated by quantitative real-time PCR, western blotting, and confocal microscopy, and cytokine/chemokine concentrations were detected by ELISA. The data showed that IL-33 alone could induce ROS expression in THP-1 cells. The expression of complex II and V mRNA was increased in the presence of IL-33. The mitophagy-related proteins PINK1, Parkin, and LC3 were regulated by IL-33 through the AMPK pathway. IL-33 significantly decreased M1-related cytokines CXCL-10 and TNF-α production and significantly increased M2-related cytokine CCL-22 production. In conclusion, IL-33 induces ROS production and subsequently influences mitophagy through AMPK activation, altering the macrophage-polarization phenotype of monocytes.
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Affiliation(s)
- Yi-Ching Lin
- Department of Laboratory Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan; Doctoral Degree Program of Toxicology, College of Pharmacy, Kaohsiung Medical University, Kaohsiung, Taiwan; Department of Laboratory Medicine, School of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan; Department of Medical Research, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Yu-Chih Lin
- Department of Medical Humanities and Education, School of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan; Division of Allergology, Immunology and Rheumatology, Department of Internal Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Mei-Lan Tsai
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan; Department of Pediatrics, Faculty of Pediatrics, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Yi-Giien Tsai
- Department of Pediatrics, Changhua Christian Children Hospital, Changhua, Taiwan; School of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan; School of Medicine, Chung Shan Medical University, Taichung, Taiwan.
| | - Chao-Hung Kuo
- Department of Internal Medicine, Kaohsiung Municipal Siaogang Hospital, Kaohsiung, Taiwan; Division of Gastroenterology, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan; Department of Medicine, Faculty of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.
| | - Chih-Hsing Hung
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan; Department of Pediatrics, Faculty of Pediatrics, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan; Department of Pediatrics, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Taiwan; Research Center for Environmental Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan; Department of Pediatrics, Kaohsiung Municipal Siaogang Hospital, Kaohsiung, Taiwan.
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17
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IL-25 Induced ROS-Mediated M2 Macrophage Polarization via AMPK-Associated Mitophagy. Int J Mol Sci 2021; 23:ijms23010003. [PMID: 35008429 PMCID: PMC8744791 DOI: 10.3390/ijms23010003] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Revised: 12/17/2021] [Accepted: 12/18/2021] [Indexed: 12/29/2022] Open
Abstract
Interleukin (IL)-25 is a cytokine released by airway epithelial cells responding to pathogens. Excessive production of reactive oxygen species (ROS) leads to airway inflammation and remodeling in asthma. Mitochondria are the major source of ROS. After stress, defective mitochondria often undergo selective degradation, known as mitophagy. In this study, we examined the effects of IL-25 on ROS production and mitophagy and investigated the underlying mechanisms. The human monocyte cell line was pretreated with IL-25 at different time points. ROS production was measured by flow cytometry. The involvement of mitochondrial activity in the effects of IL-25 on ROS production and subsequent mitophagy was evaluated by enzyme-linked immunosorbent assay, Western blotting, and confocal microscopy. IL-25 stimulation alone induced ROS production and was suppressed by N-acetylcysteine, vitamin C, antimycin A, and MitoTEMPO. The activity of mitochondrial complex I and complex II/III and the levels of p-AMPK and the mitophagy-related proteins were increased by IL-25 stimulation. The CCL-22 secretion was increased by IL-25 stimulation and suppressed by mitophagy inhibitor treatment and PINK1 knockdown. The Th2-like cytokine IL-25 can induce ROS production, increase mitochondrial respiratory chain complex activity, subsequently activate AMPK, and induce mitophagy to stimulate M2 macrophage polarization in monocytes.
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18
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Halaby R. Natural Products Induce Lysosomal Membrane Permeabilization as an Anticancer Strategy. MEDICINES 2021; 8:medicines8110069. [PMID: 34822366 PMCID: PMC8624533 DOI: 10.3390/medicines8110069] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 11/03/2021] [Accepted: 11/08/2021] [Indexed: 11/26/2022]
Abstract
Cancer is a global health and economic issue. The majority of anticancer therapies become ineffective due to frequent genomic turnover and chemoresistance. Furthermore, chemotherapy and radiation are non-specific, killing all rapidly dividing cells including healthy cells. In this review, we examine the ability of some natural products to induce lysosomal-mediated cell death in neoplastic cells as a way to kill them more specifically than conventional therapies. This list is by no means exhaustive. We postulate mechanisms to explain lysosomal membrane permeabilization and its role in triggering cell death in cancer cells.
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Affiliation(s)
- Reginald Halaby
- Department of Biology, Montclair State University, Montclair, NJ 07043, USA
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19
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Actinomycin V Induces Apoptosis Associated with Mitochondrial and PI3K/AKT Pathways in Human CRC Cells. Mar Drugs 2021; 19:md19110599. [PMID: 34822470 PMCID: PMC8618951 DOI: 10.3390/md19110599] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2021] [Revised: 10/16/2021] [Accepted: 10/20/2021] [Indexed: 12/29/2022] Open
Abstract
Actinomycin (Act) V, an analogue of Act D, presented stronger antitumor activity and less hepatorenal toxicity than Act D in our previous studies, which is worthy of further investigation. We hereby report that Act V induces apoptosis via mitochondrial and PI3K/AKT pathways in colorectal cancer (CRC) cells. Act V-induced apoptosis was characterized by mitochondrial dysfunction, with loss of mitochondria membrane potential (MMP) and cytochrome c release, which then activated cleaved caspase-9, cleaved caspase-3, and cleaved PARP, revealing that it was related to the mitochondrial pathway, and the apoptotic trendency can be reversed by caspase inhibitor Z-VAD-FMK. Furthermore, we proved that Act V significantly inhibited PI3K/AKT signalling in HCT-116 cells using cell experiments in vitro, and it also presented a potential targeted PI3Kα inhibition using computer docking models. Further elucidation revealed that it exhibited a 28-fold greater potency than the PI3K inhibitor LY294002 on PI3K inhibition efficacy. Taken together, Act V, as a superior potential replacement of Act D, is a potential candidate for inhibiting the PI3K/AKT pathway and is worthy of more pre-clinical studies in the therapy of CRC.
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20
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Zhang S, Zhao X, Hao J, Zhu Y, Wang Y, Wang L, Guo S, Yi H, Liu Y, Liu J. The role of ATF6 in Cr(VI)-induced apoptosis in DF-1 cells. JOURNAL OF HAZARDOUS MATERIALS 2021; 410:124607. [PMID: 33243643 DOI: 10.1016/j.jhazmat.2020.124607] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Revised: 11/02/2020] [Accepted: 11/16/2020] [Indexed: 06/11/2023]
Abstract
Hexavalent chromium (Cr(VI)) is a common heavy metal pollutant in environment and has been proved possessing the cytotoxicity. In this study, we aimed to investigate the role of activating transcription factor 6 (ATF-6) in apoptosis of chicken embryo fibroblasts cell line (DF-1) induced by Cr(VI). Firstly, DF-1 cells were exposed to Cr(VI) to establish the cytotoxicity model, then the cell apoptosis and ATF-6 protein level were analyzed. By silencing ATF-6 gene, changes of the apoptosis rate and apoptotic proteins were examined. To further explore the regulatory mechanism of ATF-6, endoplasmic reticulum (ER) stress, mitochondrial function, reactive oxygen species (ROS) level, as well as the related pathway were evaluated. Results showed that Cr(VI) can result in DF-1 cell apoptosis, along with mitochondrial membrane potential (MMP) reducing and ER stress. Meanwhile, ATF-6 silencing lowered the apoptosis rate and ER stress level, showing with the decrease of XBP-1, PERK, GRP78, Caspase-12, Cleaved Caspase-3 and the increase of Bcl-2. Further analysis found that ATF-6 silencing down-regulated ROS and caused MMP loss, suggesting that ATF-6 silencing inhibited Cr(VI)-induced mitochondrial damage. In conclusion, this study indicate that ATF-6 plays an important regulatory role in Cr(VI)-induced DF-1 cell apoptosis through the ER stress and mitochondrial pathway.
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Affiliation(s)
- Shuo Zhang
- College of Veterinary Medicine, Shandong Agricultural University, Tai'an, Shandong 271018, China
| | - Xiaona Zhao
- Research Center for Animal Disease Control Engineering, Shandong Agricultural University, Tai'an, Shandong 271018, China
| | - Jiajia Hao
- College of Veterinary Medicine, Shandong Agricultural University, Tai'an, Shandong 271018, China
| | - Yiran Zhu
- College of Veterinary Medicine, Shandong Agricultural University, Tai'an, Shandong 271018, China
| | - Yue Wang
- College of Veterinary Medicine, Shandong Agricultural University, Tai'an, Shandong 271018, China
| | - Lumei Wang
- College of Veterinary Medicine, Shandong Agricultural University, Tai'an, Shandong 271018, China
| | - Shuhua Guo
- College of Veterinary Medicine, Shandong Agricultural University, Tai'an, Shandong 271018, China
| | - Hui Yi
- Animal Husbandry and Veterinary Services Centre of Tai'an City, Tai'an, Shandong 271000, China
| | - Yongxia Liu
- Research Center for Animal Disease Control Engineering, Shandong Agricultural University, Tai'an, Shandong 271018, China.
| | - Jianzhu Liu
- College of Veterinary Medicine, Shandong Agricultural University, Tai'an, Shandong 271018, China.
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21
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Lucini CB, Braun RJ. Mitochondrion-Dependent Cell Death in TDP-43 Proteinopathies. Biomedicines 2021; 9:376. [PMID: 33918437 PMCID: PMC8066287 DOI: 10.3390/biomedicines9040376] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2021] [Revised: 03/25/2021] [Accepted: 04/01/2021] [Indexed: 12/11/2022] Open
Abstract
In the last decade, pieces of evidence for TDP-43-mediated mitochondrial dysfunction in neurodegenerative diseases have accumulated. In patient samples, in vitro and in vivo models have shown mitochondrial accumulation of TDP-43, concomitantly with hallmarks of mitochondrial destabilization, such as increased production of reactive oxygen species (ROS), reduced level of oxidative phosphorylation (OXPHOS), and mitochondrial membrane permeabilization. Incidences of TDP-43-dependent cell death, which depends on mitochondrial DNA (mtDNA) content, is increased upon ageing. However, the molecular pathways behind mitochondrion-dependent cell death in TDP-43 proteinopathies remained unclear. In this review, we discuss the role of TDP-43 in mitochondria, as well as in mitochondrion-dependent cell death. This review includes the recent discovery of the TDP-43-dependent activation of the innate immunity cyclic GMP-AMP synthase/stimulator of interferon genes (cGAS/STING) pathway. Unravelling cell death mechanisms upon TDP-43 accumulation in mitochondria may open up new opportunities in TDP-43 proteinopathy research.
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Affiliation(s)
- Chantal B. Lucini
- Research Area Neurodegenerative Diseases, Center for Biosciences, Faculty of Medicine/Dental Medicine, Danube Private University, 3500 Krems an der Donau, Austria
| | - Ralf J. Braun
- Research Area Neurodegenerative Diseases, Center for Biosciences, Faculty of Medicine/Dental Medicine, Danube Private University, 3500 Krems an der Donau, Austria
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22
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Prasun P, Ginevic I, Oishi K. Mitochondrial dysfunction in nonalcoholic fatty liver disease and alcohol related liver disease. Transl Gastroenterol Hepatol 2021; 6:4. [PMID: 33437892 DOI: 10.21037/tgh-20-125] [Citation(s) in RCA: 48] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/29/2020] [Accepted: 04/28/2020] [Indexed: 12/11/2022] Open
Abstract
Fatty liver disease constitutes a spectrum of liver diseases which begin with simple steatosis and may progress to advance stages of steatohepatitis, cirrhosis, and hepatocellular carcinoma (HCC). The two main etiologies are-alcohol related fatty liver disease (ALD) and nonalcoholic fatty liver disease (NAFLD). NAFLD is a global health epidemic strongly associated with modern dietary habits and life-style. It is the second most common cause of chronic liver disease in the US after chronic hepatitis C virus (HCV) infection. Approximately 100 million people are affected with this condition in the US alone. Excessive intakes of calories, saturated fat and refined carbohydrates, and sedentary life style have led to explosion of this health epidemic in developing nations as well. ALD is the third most common cause of chronic liver disease in the US. Even though the predominant trigger for onset of steatosis is different in these two conditions, they share common themes in progression from steatosis to the advance stages. Oxidative stress (OS) is considered a very significant contributor to hepatocyte injury in these conditions. Mitochondrial dysfunction contributes to this OS. Role of mitochondrial dysfunction in pathogenesis of fatty liver diseases is emerging but far from completely understood. A better understanding is essential for more effective preventive and therapeutic interventions. Here, we discuss the pathogenesis and therapeutic approaches of NAFLD and ALD from a mitochondrial perspective.
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Affiliation(s)
- Pankaj Prasun
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Ilona Ginevic
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Kimihiko Oishi
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA
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23
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Poerwoatmodjo A, Schenk GJ, Geurts JJG, Luchicchi A. Cysteine Proteases and Mitochondrial Instability: A Possible Vicious Cycle in MS Myelin? Front Cell Neurosci 2020; 14:612383. [PMID: 33335477 PMCID: PMC7736044 DOI: 10.3389/fncel.2020.612383] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Accepted: 11/12/2020] [Indexed: 12/15/2022] Open
Affiliation(s)
| | | | | | - Antonio Luchicchi
- Division Clinical Neurosciences, Department of Anatomy and Neurosciences, Amsterdam Neuroscience, Amsterdam Universitair Medische Centra (UMC), Location Vrije Universiteit (VU) Medical Center, MS Center Amsterdam, Amsterdam, Netherlands
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24
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Torrealba N, Rodríguez-Berriguete G, Vera R, Fraile B, Olmedilla G, Martínez-Onsurbe P, Sánchez-Chapado M, Paniagua R, Royuela M. Homeostasis: apoptosis and cell cycle in normal and pathological prostate. Aging Male 2020; 23:335-345. [PMID: 29730957 DOI: 10.1080/13685538.2018.1470233] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Prostatic diseases such as hyperplasia and cancer are a consequence of glandular aging due to the loss of homeostasis. Glandular homeostasis is guaranteed by the delicate balance between production and cell death. Both cell renewal and apoptosis are part of this delicate balance. We will explore the predictive capacity for biochemical progression, following prostatectomy, of some members of the Bcl-2 family and of proteins involved in cell cycle inhibition in conjunction with established classical markers. The expression of Bcl-2, Bcl-xL, Mcl-1, Bax, Bim, Bad, PUMA, Noxa, p21, p27, Rb and p53 were analyzed by immunochemistry in 86 samples of radical prostatectomy and correlated with each of the markers established clinicopathological tests using statistical tests such as Sperman, Kaplan-Meier curves, unifactorial Cox, and multifactorial. The most relevant results are: (1) Positive correlation between: p27 with clinical T stage; and PUMA with pathological T stage; (2) Negative correlation between: Bcl-2 with clinical T stage, Bcl-xL with survival, Noxa and pRb with Gleason score.Our results suggest that the expression of Bcl-2, Bcl-xL, PUMA, Noxa, p27, and Rb were related to some of the classic markers established to predict biochemical progression after prostatectomy.
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Affiliation(s)
- Norelia Torrealba
- Department of Biomedicine and Biotechnology, University of Alcalá, Alcala de Henares, Spain
| | | | - Raúl Vera
- Department of Biomedicine and Biotechnology, University of Alcalá, Alcala de Henares, Spain
| | - Benito Fraile
- Department of Biomedicine and Biotechnology, University of Alcalá, Alcala de Henares, Spain
| | - Gabriel Olmedilla
- Department of Pathology, Príncipe de Asturias Hospital, Alcalá de Henares, Madrid, Spain
| | - Pilar Martínez-Onsurbe
- Department of Pathology, Príncipe de Asturias Hospital, Alcalá de Henares, Madrid, Spain
| | | | - Ricardo Paniagua
- Department of Biomedicine and Biotechnology, University of Alcalá, Alcala de Henares, Spain
| | - Mar Royuela
- Department of Biomedicine and Biotechnology, University of Alcalá, Alcala de Henares, Spain
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Prasun P. Role of mitochondria in pathogenesis of type 2 diabetes mellitus. J Diabetes Metab Disord 2020; 19:2017-2022. [PMID: 33520874 DOI: 10.1007/s40200-020-00679-x] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Accepted: 10/28/2020] [Indexed: 01/09/2023]
Abstract
Type 2 diabetes mellitus (T2DM) is global health problem. An estimated 425 million people in the world had diabetes in 2017. It is a major cause of morbidity and mortality worldwide. Although, pathogenesis of T2DM and its complications have been focus of medical research for long, much remains to be learned. A better understanding of molecular pathogenesis is essential for more effective preventive and therapeutic interventions. Role of mitochondria in pathogenesis of metabolic problems such as obesity, metabolic syndrome, and T2DM is the focus of many recent research studies. Mitochondrial dysfunction contributes to the oxidative stress and systemic inflammation leading to insulin resistance (IR). Mitochondria are also essential for pancreatic beta cell insulin secretion. Hence, mitochondria are important players in the pathogenesis of T2DM. In this article, pathogenesis of T2DM is examined from a mitochondrial perspective.
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Affiliation(s)
- Pankaj Prasun
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place - Box 1497, New York, NY 10029 USA
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26
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Husain M, Becker EJ, Bone NB, Schmitt A, Pittet JF, Zmijewski JW. NOX2 decoy peptides disrupt trauma-mediated neutrophil immunosuppression and protect against lethal peritonitis. Redox Biol 2020; 36:101651. [PMID: 32771683 PMCID: PMC7415417 DOI: 10.1016/j.redox.2020.101651] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Revised: 07/17/2020] [Accepted: 07/19/2020] [Indexed: 12/29/2022] Open
Abstract
Trauma and sepsis are frequent causes of immunosuppression and risk of secondary bacterial infections and mortality among critically ill patients. Reduced activity of neutrophil NADPH oxidase 2 (NOX2) and impaired bacterial killing are among the major indices of immunosuppression. We hypothesize that NOX2-decoy peptides disrupt the inhibition of neutrophil NOX2 by plasma of patients with severe trauma and immunosuppression, thereby preserving the neutrophil respiratory burst that is a central antimicrobial mechanism. We demonstrate that plasma from trauma/hemorrhage (T/H) patients, but not healthy donors (HD), significantly reduced the activity of neutrophil NOX2 and impaired bacterial killing. The inhibitory action of plasma was associated with an increase in bacterial infections among trauma survivors. High Mobility Group Box 1 (HMGB1) is a mediator of lethality in trauma and sepsis and our mechanistic studies revealed that disulfide and oxidized forms of HMGB1 bind to the gp91phox subunit of NOX2, and thus decrease the neutrophil respiratory burst and bacterial killing. NOX2 decoy Anti-Immunosuppression (Ai) Peptides 1 and 3 effectively disrupted the immunosuppressive action of T/H plasma. HMGB1 selectively binds to Ai-Peptide 3, supporting the possibility for direct interaction between HMGB1 and the third external loop of gp91phox. In vivo, Ai-Peptides improved survival of mice subjected to lethal peritonitis. Taken together, plasma-dependent inhibition of neutrophil NOX2 appeared to be a suitable indicator of immunosuppression in patients with severe trauma. Given that gp91phox decoys protected the neutrophil respiratory burst, selected Ai-Peptides have therapeutic potential to reduce bacterial infections and end-organ injury associated with sepsis/trauma-induced immunosuppression. Plasma-induced neutrophil dysfunction is linked to immunosuppression in trauma. HMGB1 are among relevant mediators of neutrophil immunosuppression. NOX2 decoy peptides improved survival of mice with intraperitoneal infections.
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Affiliation(s)
- Maroof Husain
- Department of Medicine, Birmingham, AL, 35294-0012, USA
| | | | | | - Amy Schmitt
- Department of Anesthesiology and Perioperative Medicine, University of Alabama at Birmingham, Birmingham, AL, 35294-0012, USA
| | - Jean-Francois Pittet
- Department of Anesthesiology and Perioperative Medicine, University of Alabama at Birmingham, Birmingham, AL, 35294-0012, USA
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Bernardo YAA, Rosario DKA, Delgado IF, Conte-Junior CA. Fish Quality Index Method: Principles, weaknesses, validation, and alternatives-A review. Compr Rev Food Sci Food Saf 2020; 19:2657-2676. [PMID: 33336975 DOI: 10.1111/1541-4337.12600] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2020] [Revised: 05/23/2020] [Accepted: 06/11/2020] [Indexed: 12/31/2022]
Abstract
Fish is a high nutritional value matrix of which production and consumption have been increasing in the last years. Advancements in the efficient evaluation of freshness are essential to optimize the quality assessment, to improve consumer safety, and to reduce raw material losses. Therefore, it is necessary to use rapid, nondestructive, and objective methodologies to evaluate the quality of this matrix. Quality Index Method (QIM) is a tool applied to indicate fish freshness through a sensory evaluation performed by a group of assessors. However, the use of QIM as an official method for quality assessment is limited by the protocol, sampling size, specificities of the species, storage conditions, and assessor's experience, which make this method subjective. Also, QIM may present divergences regarding the development of microorganisms and chemical analysis. In this way, novel quality evaluation methods such as electronic noses, electronic tongues, machine vision system, and colorimetric sensors have been proposed, and novel technologies such as proteomics and mitochondrial analysis have been developed. In this review, the weaknesses of QIM were exposed, and novel methodologies for quality evaluation were presented. The consolidation of these novel methodologies and their use as methods of quality assessment are an alternative to sensory methods, and their understanding enables a more effective fish quality control.
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Affiliation(s)
- Yago A A Bernardo
- Post Graduate Program in Sanitary Surveillance, National Institute of Health Quality Control, Oswaldo Cruz Foundation, Rio de Janeiro, Brazil.,Center for Food Analysis, Technological Development Support Laboratory (LADETEC), Avenida Horácio Macedo, Polo de Química, Ilha do Fundão, Cidade Universitária, Rio de Janeiro, Brazil
| | - Denes K A Rosario
- Center for Food Analysis, Technological Development Support Laboratory (LADETEC), Avenida Horácio Macedo, Polo de Química, Ilha do Fundão, Cidade Universitária, Rio de Janeiro, Brazil.,Post Graduate Program in Food Science, Institute of Chemistry, Federal University of Rio de Janeiro, Av. Athos da Silveira Ramos, 149, Cidade Universitária, Rio de Janeiro, Brazil
| | - Isabella F Delgado
- Post Graduate Program in Sanitary Surveillance, National Institute of Health Quality Control, Oswaldo Cruz Foundation, Rio de Janeiro, Brazil
| | - Carlos A Conte-Junior
- Post Graduate Program in Sanitary Surveillance, National Institute of Health Quality Control, Oswaldo Cruz Foundation, Rio de Janeiro, Brazil.,Center for Food Analysis, Technological Development Support Laboratory (LADETEC), Avenida Horácio Macedo, Polo de Química, Ilha do Fundão, Cidade Universitária, Rio de Janeiro, Brazil.,Post Graduate Program in Food Science, Institute of Chemistry, Federal University of Rio de Janeiro, Av. Athos da Silveira Ramos, 149, Cidade Universitária, Rio de Janeiro, Brazil.,Post Graduate Program in Veterinary Hygiene, Faculty of Veterinary Medicine, Fluminense Federal University, Vital Brazil Filho, Niterói, Rio de Janeiro, Brazil
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Yang S, Fan M, Li D, Zhou J, Fan G, Peng L, Zhang S. Physiological and iTRAQ-based proteomic analyses reveal the mechanism of pinocembrin against Penicillium italicum through targeting mitochondria. PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY 2020; 167:104534. [PMID: 32527431 DOI: 10.1016/j.pestbp.2020.01.015] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/24/2019] [Revised: 01/27/2020] [Accepted: 01/28/2020] [Indexed: 06/11/2023]
Abstract
The physiological and iTRAQ-based proteomic analyses were used to reveal the inhibitory roles of pinocembrin on mitochondria of P. italicum and its cell death mechanism. The results show that pinocembrin damages both mitochondrial structure and function. 167 and 807 differentially expressed proteins (DEPs) were detected in P. italicum mycelia after treatment with pinocembrin for 8 h and 24 h respectively, and the DEPs were significantly enriched in the oxidative phosphorylation (OXPHOS) pathway, especially for mitochondrial respiratory chain (MRC) complexes I and V. Furthermore, the expression levels of proteins related to programmed cell death (PCD) were significantly up-regulated in mycelia with Pinocembrin incubation for 24 h. Combined with the results of physio-chemical analysis, the data revealed that pinocembrin targeted MRC complexes I and V, to induce ATP depletion, enhance ROS accumulation, stimulate mitochondrial permeability transition pore (MPTP) opening, accelerate the loss of mitochondrial membrane potential (MMP) and promote cytochrome c release from mitochondria to the cytoplasm, which, as a result, effectively triggered three classical types of PCD pathways in mycelia of P. italicum.
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Affiliation(s)
- Shuzhen Yang
- Key Laboratory of Environment Correlative Dietology, Ministry of Education, College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, PR China
| | - Ming Fan
- Key Laboratory of Environment Correlative Dietology, Ministry of Education, College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, PR China
| | - Dongmei Li
- Department of Microbiology/Immunology, Georgetown University Medical Center, Washington, DC 20057, USA
| | - Jie Zhou
- Key Laboratory of Environment Correlative Dietology, Ministry of Education, College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, PR China
| | - Gang Fan
- Key Laboratory of Environment Correlative Dietology, Ministry of Education, College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, PR China
| | - Litao Peng
- Key Laboratory of Environment Correlative Dietology, Ministry of Education, College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, PR China.
| | - Shixin Zhang
- Key Laboratory of Environment Correlative Dietology, Ministry of Education, College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, PR China
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Negara KS, Suwiyoga K, Sudewi R, Astawa NM, Arijana GNK, Tunas K, Pemayun TGA. The role of caspase-dependent and caspase-independent pathways of apoptosis in the premature rupture of the membranes: A case-control study. Int J Reprod Biomed 2020; 18:439-448. [PMID: 32754679 PMCID: PMC7340985 DOI: 10.18502/ijrm.v13i6.7285] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2018] [Revised: 01/01/2019] [Accepted: 12/30/2019] [Indexed: 11/30/2022] Open
Abstract
Background Premature rupture of membrane (PROM) remains a problem in obstetrics, the mechanisms of PROM have not been clearly defined. Apoptosis is thought to play a key role in the mechanism, via caspase-dependent and caspase-independent pathways. Caspase-3, Apoptosis-inducing factor (AIF), and anti-apoptosis B-cell lymphoma 2 (Bcl-2) are hypothesized to be involved in PROM. Objective To determine the role of caspase-dependent and caspase-independent pathways in the mechanism of PROM. Materials and Methods This was a case-control study involving 42 pregnant women with gestational age between 20-42 wk. Participants were divided into the case group (with PROM) and control group (without PROM). Amniotic membranes were collected immediately after the delivery, and samples were taken from the site of membrane rupture. Immunohistochemical examination was done to determine the expression of Caspase-3, AIF, and Bcl-2. Results The expressions of Caspase-3 (OR = 9.75; 95% CI = 2.16-43.95; p = 0.001) and AIF (OR = 6.60; 95% CI = 1.48-29.36; p = 0.009) were significantly increased, whereas, Bcl-2 expressions (OR = 8.00; 95% CI = 1.79-35.74; p = 0.004) were significantly decreased in the case group. Conclusion High Caspase-3, AIF, and low Bcl-2 expression were the risk factors for PROM. Thus, it is evident that caspase-dependent and caspase-independent pathways are involved in the mechanism of PROM.
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Affiliation(s)
- Ketut Surya Negara
- Department of Obstetrics and Gynecology, Medical Faculty of Udayana University, Sanglah Hospital, Bali, Indonesia
| | - Ketut Suwiyoga
- Department of Obstetrics and Gynecology, Medical Faculty of Udayana University, Sanglah Hospital, Bali, Indonesia
| | - Raka Sudewi
- Department of Neurology, Medical Faculty of Udayana University, Sanglah Hospital Bali, Indonesia
| | | | | | - Ketut Tunas
- Department of Public Health, Dhyana Pura University Bali, Indonesia
| | - Tjokorda Gede Astawa Pemayun
- Department of Obstetrics and Gynecology, Medical Faculty of Udayana University, Sanglah Hospital, Bali, Indonesia
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Yu L, Wang F, Tai M, Li J, Gong S, Zhou Z, Yin X, Gu X, Li C. 6H2L, a novel synthetic derivative of bifendate, induces apoptosis in hepatoma cells via mitochondrial and MAPK pathway. Eur J Pharmacol 2020; 882:173299. [PMID: 32589884 DOI: 10.1016/j.ejphar.2020.173299] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2020] [Revised: 06/18/2020] [Accepted: 06/19/2020] [Indexed: 02/06/2023]
Abstract
Hepatocellular carcinoma (HCC) is a major cause of cancer-related death worldwide. Our previous study indicated that 6H2L, a novel synthetic bifendate derivative, shows multidrug resistance reversal activity, while its antitumor effect has not been revealed. Here, the potent antitumor effects of 6H2L on hepatoma cells both in vitro and in vivo were investigated. 6H2L inhibited cell viability of HepG2 and SMMC-7721 cells with less sensitivity to normal human liver L-02 cells. 6H2L induced apoptosis in hepatoma cells. It upregulated Bax expression, while simultaneously decreasing Bcl-2 expression. Further elucidation of the mechanism revealed that 6H2L induced mitochondrial dysfunction, with transmitochondrial membrane potential collapse and cytochrome c release, which activated caspase-9 and caspase-3 and subsequently cleaved PARP, suggesting that 6H2L induced apoptosis via triggering mitochondrial pathway. Moreover, 6H2L decreased the phosphorylation of ERK1/2, whereas it increased the expression of p-JNK and p-p38. Then, specific inhibitors of the mitogen-activated protein kinase (MAPK) pathway were employed to confirm the roles of the MAPK pathway in the apoptosis-inducing effects of 6H2L. Additionally, 6H2L obviously inhibited the tumor growth in H22-bearing ICR mice. Meanwhile, 6H2L remarkably up-regulated Bax while suppressing Bcl-2 in tumors. Importantly, neither significant weight loss, white blood cell (WBC) count, nor histopathological abnormalities of major organs were observed in the mice receiving 6H2L treatment, indicating that 6H2L exerted strong anticancer activities with low toxicity in vivo. In contrast, fluorouracil inhibited tumor growth with significant decreased body weight and WBC count. Taken together, these results suggested 6H2L is a potential therapeutic candidate for HCC.
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Affiliation(s)
- Lirong Yu
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, Jiangsu Center for the Collaboration and Innovation of Cancer Biotherapy, Xuzhou Medical University, Xuzhou, People's Republic of China
| | - Fan Wang
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, Jiangsu Center for the Collaboration and Innovation of Cancer Biotherapy, Xuzhou Medical University, Xuzhou, People's Republic of China
| | - Mengying Tai
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, Jiangsu Center for the Collaboration and Innovation of Cancer Biotherapy, Xuzhou Medical University, Xuzhou, People's Republic of China
| | - Juan Li
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, Jiangsu Center for the Collaboration and Innovation of Cancer Biotherapy, Xuzhou Medical University, Xuzhou, People's Republic of China
| | - Shuyuan Gong
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, Jiangsu Center for the Collaboration and Innovation of Cancer Biotherapy, Xuzhou Medical University, Xuzhou, People's Republic of China
| | - Zhengwei Zhou
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, Jiangsu Center for the Collaboration and Innovation of Cancer Biotherapy, Xuzhou Medical University, Xuzhou, People's Republic of China
| | - Xiaoxing Yin
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, Jiangsu Center for the Collaboration and Innovation of Cancer Biotherapy, Xuzhou Medical University, Xuzhou, People's Republic of China
| | - Xiaoke Gu
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, Jiangsu Center for the Collaboration and Innovation of Cancer Biotherapy, Xuzhou Medical University, Xuzhou, People's Republic of China
| | - Chenglin Li
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, Jiangsu Center for the Collaboration and Innovation of Cancer Biotherapy, Xuzhou Medical University, Xuzhou, People's Republic of China.
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Protective effect of L-carnitine on platelet apoptosis during storage of platelet concentrate. Transfus Clin Biol 2020; 27:139-146. [PMID: 32544525 DOI: 10.1016/j.tracli.2020.06.002] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2020] [Revised: 05/16/2020] [Accepted: 06/08/2020] [Indexed: 11/21/2022]
Abstract
BACKGROUND Platelet apoptosis is considered as one of the important factors involved in platelet storage lesion (PSL) and affect the quality of platelets during storage. The beneficial effect of L-carnitine (LC) on platelet apoptosis during platelet concentrates (PCs) storage has not been fully investigated. The aim of this study was to evaluate the effects of LC on platelets of PC regarding their apoptosis markers during storage. METHODS Ten PCs from healthy donors were investigated in this study. PCs were prepared by platelet rich plasma (PRP) method and stored at 22±2°C with gentle agitation during storage. The effects of LC (15mM) on the platelet apoptosis were assessed by analyzing different indicative presence or absence of LC. Sampling was performed to evaluate apoptosis markers during platelet storage. RESULTS The results indicated significantly higher mitochondrial membrane potential for LC-treated platelets than the untreated on the days 2 and 5 of storage (Pday2=0.001, Pday5=0.001). Phosphatidylserine (PS) exposure significantly increased on the untreated compared with LC-treated platelets on the second and third days of storage (Pday2=0.014, Pday3=0.012). Also, active caspase 3 was lower in the LC- treated platelets than the control group on the day 5 of storage (Pday5=0.004). Cytosolic cytochrome C was so significantly lower in LC-treated compared to the untreated platelets during storage time (Pday2=0.002, Pday3=0.001, Pday5=0.001). CONCLUSION The results of this study indicate that the use of LC as an additive solution in platelets may be useful to reduce PSL by decreasing platelet apoptosis via mitochondrial pathway and increase platelet quality during storage.
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Kong T, Lin S, Gong Y, Tran NT, Zhang Y, Zheng H, Ma H, Li S. Sp-CBL inhibits white spot syndrome virus replication by enhancing apoptosis in mud crab (Scylla paramamosain). DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2020; 105:103580. [PMID: 31901557 DOI: 10.1016/j.dci.2019.103580] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/23/2019] [Revised: 12/14/2019] [Accepted: 12/16/2019] [Indexed: 06/10/2023]
Abstract
In mammals, casitas B-lineage lymphoma (CBL) family proteins, a RING-type E3 ubiquitin ligase, are involved in many signal transduction pathways. However, the functions of CBL in invertebrates are not well elucidated. In this study, Sp-CBL containing CBL-N, CBL-2, CBL-3 and RING domains was identified in mud crab Scylla paramamosain. Sp-CBL was widely expressed in all tissues tested and found to be significantly up-regulated in the hemocytes of mud crab challenged by white spot syndrome virus (WSSV). The RNA interference of Sp-CBL increased the copy number of WSSV and declined the apoptosis rate of hemocytes. In addition, Sp-CBL could affect the activities of caspase 3 and the mitochondrial membrane potential. Taken together, the results of this study revealed that Sp-CBL could restrict WSSV proliferation through enhancing the apoptosis of the hemocytes, which would provide a novel insight into the anti-viral response in the innate immunity system of mud crab.
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Affiliation(s)
- Tongtong Kong
- Guangdong Provincial Key Laboratory of Marine Biotechnology, Institute of Marine Sciences, Shantou University, Shantou, 515063, China; STU-UMT Joint Shellfish Research Laboratory, Shantou University, Shantou, 515063, China
| | - Shanmeng Lin
- Guangdong Provincial Key Laboratory of Marine Biotechnology, Institute of Marine Sciences, Shantou University, Shantou, 515063, China; STU-UMT Joint Shellfish Research Laboratory, Shantou University, Shantou, 515063, China
| | - Yi Gong
- Guangdong Provincial Key Laboratory of Marine Biotechnology, Institute of Marine Sciences, Shantou University, Shantou, 515063, China; STU-UMT Joint Shellfish Research Laboratory, Shantou University, Shantou, 515063, China
| | - Ngoc Tuan Tran
- Guangdong Provincial Key Laboratory of Marine Biotechnology, Institute of Marine Sciences, Shantou University, Shantou, 515063, China; STU-UMT Joint Shellfish Research Laboratory, Shantou University, Shantou, 515063, China
| | - Yueling Zhang
- Guangdong Provincial Key Laboratory of Marine Biotechnology, Institute of Marine Sciences, Shantou University, Shantou, 515063, China; STU-UMT Joint Shellfish Research Laboratory, Shantou University, Shantou, 515063, China
| | - Huaiping Zheng
- Guangdong Provincial Key Laboratory of Marine Biotechnology, Institute of Marine Sciences, Shantou University, Shantou, 515063, China; STU-UMT Joint Shellfish Research Laboratory, Shantou University, Shantou, 515063, China
| | - Hongyu Ma
- Guangdong Provincial Key Laboratory of Marine Biotechnology, Institute of Marine Sciences, Shantou University, Shantou, 515063, China; STU-UMT Joint Shellfish Research Laboratory, Shantou University, Shantou, 515063, China
| | - Shengkang Li
- Guangdong Provincial Key Laboratory of Marine Biotechnology, Institute of Marine Sciences, Shantou University, Shantou, 515063, China; STU-UMT Joint Shellfish Research Laboratory, Shantou University, Shantou, 515063, China.
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Antistarvation Strategies of E. Sinensis: Regulatory Networks under Hepatopancreas Consumption. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2020; 2020:6085343. [PMID: 32256956 PMCID: PMC7085886 DOI: 10.1155/2020/6085343] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/18/2019] [Revised: 02/05/2020] [Accepted: 02/10/2020] [Indexed: 12/21/2022]
Abstract
Crustaceans have a more persistent starvation tolerance than mammals, birds, reptiles, and even fish. This study is aimed at assessing the survival strategy and regulatory mechanism of crustaceans in response to starvation through an animal model using Eriocheir sinensis. In the 42-day starvation experiment, the hepatopancreas was found to become the target organ, which was characterized by atrophy of the thin wall in the hepatic tubules and expansion of the lumen. During short-term starvation, E. sinensis activates lipid and glycogen metabolism in the hepatopancreas with lipid metabolism dominating. In lipid metabolism, there was a significant decline in triglyceride, whereas cholesterol did not change significantly. Meanwhile, the fatty acid metabolism pathway was inhibited, but autophagy increased in the hepatopancreas, which may be the selective pathway for the decomposition of intracellular substances. However, under long-term starvation, the stored energy in the hepatopancreas was depleted, and E. sinensis selects to consume hepatopancreatic cells and maintain energy metabolism through apoptosis, which was triggered by both the death receptor pathway and the mitochondrial pathway. In addition, cell proliferation was blocked to reduce unnecessary energy consumption.
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Amara I, Scuto M, Zappalà A, Ontario ML, Petralia A, Abid-Essefi S, Maiolino L, Signorile A, Trovato Salinaro A, Calabrese V. Hericium Erinaceus Prevents DEHP-Induced Mitochondrial Dysfunction and Apoptosis in PC12 Cells. Int J Mol Sci 2020; 21:ijms21062138. [PMID: 32244920 PMCID: PMC7139838 DOI: 10.3390/ijms21062138] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2020] [Revised: 03/16/2020] [Accepted: 03/17/2020] [Indexed: 12/26/2022] Open
Abstract
Hericium Erinaceus (HE) is a medicinal plant known to possess anticarcinogenic, antibiotic, and antioxidant activities. It has been shown to have a protective effect against ischemia-injury-induced neuronal cell death in rats. As an extending study, here we examined in pheochromocytoma 12 (PC12) cells, whether HE could exert a protective effect against oxidative stress and apoptosis induced by di(2-ethylhexyl)phthalate (DEHP), a plasticizer known to cause neurotoxicity. We demonstrated that pretreatment with HE significantly attenuated DEHP induced cell death. This protective effect may be attributed to its ability to reduce intracellular reactive oxygen species levels, preserving the activity of respiratory complexes and stabilizing the mitochondrial membrane potential. Additionally, HE pretreatment significantly modulated Nrf2 and Nrf2-dependent vitagenes expression, preventing the increase of pro-apoptotic and the decrease of anti-apoptotic markers. Collectively, our data provide evidence of new preventive nutritional strategy using HE against DEHP-induced apoptosis in PC12 cells.
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Affiliation(s)
- Ines Amara
- Laboratory for Research on Biologically Compatible Compounds, Faculty of Dental Medicine, University of Monastir, Rue Avicenne, Monastir 5019, Tunisia; (I.A.); (S.A.-E.)
- Department of Biomedical and Biotechnological Sciences, University of Catania, Torre Biologica, Via Santa Sofia n. 97, 95125 Catania, Italy; (M.S.); (A.Z.); (M.L.O.); (V.C.)
| | - Maria Scuto
- Department of Biomedical and Biotechnological Sciences, University of Catania, Torre Biologica, Via Santa Sofia n. 97, 95125 Catania, Italy; (M.S.); (A.Z.); (M.L.O.); (V.C.)
| | - Agata Zappalà
- Department of Biomedical and Biotechnological Sciences, University of Catania, Torre Biologica, Via Santa Sofia n. 97, 95125 Catania, Italy; (M.S.); (A.Z.); (M.L.O.); (V.C.)
| | - Maria Laura Ontario
- Department of Biomedical and Biotechnological Sciences, University of Catania, Torre Biologica, Via Santa Sofia n. 97, 95125 Catania, Italy; (M.S.); (A.Z.); (M.L.O.); (V.C.)
| | - Antonio Petralia
- Department of Medical and Surgery Sciences, University of Catania, 95125, Via Santa Sofia, 78, 95123 Catania, Italy; (A.P.); (L.M.)
| | - Salwa Abid-Essefi
- Laboratory for Research on Biologically Compatible Compounds, Faculty of Dental Medicine, University of Monastir, Rue Avicenne, Monastir 5019, Tunisia; (I.A.); (S.A.-E.)
| | - Luigi Maiolino
- Department of Medical and Surgery Sciences, University of Catania, 95125, Via Santa Sofia, 78, 95123 Catania, Italy; (A.P.); (L.M.)
| | - Anna Signorile
- Department of Basic Medical Sciences, Neurosciences and Sense Organs, University of Bari, Piazza G. Cesare, 11, 70124 Bari, Italy
- Correspondence: (A.S.); (A.T.S.)
| | - Angela Trovato Salinaro
- Department of Biomedical and Biotechnological Sciences, University of Catania, Torre Biologica, Via Santa Sofia n. 97, 95125 Catania, Italy; (M.S.); (A.Z.); (M.L.O.); (V.C.)
- Correspondence: (A.S.); (A.T.S.)
| | - Vittorio Calabrese
- Department of Biomedical and Biotechnological Sciences, University of Catania, Torre Biologica, Via Santa Sofia n. 97, 95125 Catania, Italy; (M.S.); (A.Z.); (M.L.O.); (V.C.)
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Cabral-Costa J, Kowaltowski A. Neurological disorders and mitochondria. Mol Aspects Med 2020; 71:100826. [DOI: 10.1016/j.mam.2019.10.003] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2019] [Revised: 10/13/2019] [Accepted: 10/13/2019] [Indexed: 12/26/2022]
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Zhang Y, Liu Q, Li Y, Li C, Zhu Y, Xia F, Xu S, Li W. PTEN-Induced Putative Kinase 1 (PINK1)/Parkin-Mediated Mitophagy Protects PC12 Cells Against Cisplatin-Induced Neurotoxicity. Med Sci Monit 2019; 25:8797-8806. [PMID: 31748499 PMCID: PMC6882296 DOI: 10.12659/msm.918536] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Background The pathogenesis of chemotherapy-induced neuropathy, a dose-dependent adverse effect of cisplatin, involves mitochondrial dysfunction. PTEN-induced putative kinase 1 (PINK1)/Parkin-mediated mitophagy removes damaged mitochondria under various pathological conditions. The objective of this study was to determine mitophagy status and its effects on mitochondrial function and neuronal cell damage after cisplatin treatment using an in vitro model of cisplatin-induced neurotoxicity. Material/Methods PC12 cells were transfected with Parkin or Parkin siRNA using lentiviral particles and Lipofectamine 3000™, respectively, and then were exposed to 10 μM cisplatin. The expression of autophagic proteins was measured by Western blot analysis. Mitophagy in PC12 cells was detected by confocal microscopy analysis of mitochondria-lysosomes colocalization and autophagic flux. The effects of PINK1/Parkin-mediated mitophagy on cisplatin-induced neurotoxicity were assessed via mitochondrial function, neuritic length, nuclear diameter, and apoptosis. Results Cisplatin activated PINK1/Parkin-mediated mitophagy in PC12 cells. Autophagic flux analysis revealed that cisplatin inhibits the late stage of the autophagic process. The knockdown of Parkin suppressed cisplatin-induced mitophagy, aggravating cisplatin-induced depolarization of mitochondria, cellular ATP deficits, reactive oxygen species outburst, neuritic shortening, nuclear diameter reduction, and apoptosis, while Parkin overexpression enhanced mitophagy and reversed these effects. Conclusions PINK1/Parkin-regulated mitophagy can protect against cisplatin-related neurotoxicity, suggesting therapeutic enhancement of mitophagy as a potential intervention for cisplatin-induced peripheral neuropathies. The interference of cisplatin with autophagosome-lysosome fusion may be partly responsible for cisplatin-induced neurotoxicity.
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Affiliation(s)
- Yao Zhang
- Department of Anesthesiology, Women's Hospital of Nanjing Medical University, Nanjing Maternity and Child Health Care Hospital, Nanjing, Jiangsu, China (mainland)
| | - Qingzhen Liu
- Department of Anesthesiology, Jinling Hospital, School of Medicine, Nanjing University, Nanjing, Jiangsu, China (mainland)
| | - Yongle Li
- Department of Anesthesiology, Guangdong Women and Children Hospital, Guangzhou, Guangdong, China (mainland)
| | - Caijuan Li
- Department of Anesthesiology, Women's Hospital of Nanjing Medical University, Nanjing Maternity and Child Health Care Hospital, Nanjing, Jiangsu, China (mainland)
| | - Yunhe Zhu
- Department of Anesthesiology, Women's Hospital of Nanjing Medical University, Nanjing Maternity and Child Health Care Hospital, Nanjing, Jiangsu, China (mainland)
| | - Fan Xia
- Department of Anesthesiology, Women's Hospital of Nanjing Medical University, Nanjing Maternity and Child Health Care Hospital, Nanjing, Jiangsu, China (mainland)
| | - Shiqin Xu
- Department of Anesthesiology, Women's Hospital of Nanjing Medical University, Nanjing Maternity and Child Health Care Hospital, Nanjing, Jiangsu, China (mainland)
| | - Weiyan Li
- Department of Anesthesiology, The Affiliated Jinling Hospital of Nanjing Medical University, Nanjing, Jiangsu, China (mainland)
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Ismail T, Kim Y, Lee H, Lee DS, Lee HS. Interplay Between Mitochondrial Peroxiredoxins and ROS in Cancer Development and Progression. Int J Mol Sci 2019; 20:ijms20184407. [PMID: 31500275 PMCID: PMC6770548 DOI: 10.3390/ijms20184407] [Citation(s) in RCA: 72] [Impact Index Per Article: 14.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2019] [Revised: 09/04/2019] [Accepted: 09/05/2019] [Indexed: 12/14/2022] Open
Abstract
Mitochondria are multifunctional cellular organelles that are major producers of reactive oxygen species (ROS) in eukaryotes; to maintain the redox balance, they are supplemented with different ROS scavengers, including mitochondrial peroxiredoxins (Prdxs). Mitochondrial Prdxs have physiological and pathological significance and are associated with the initiation and progression of various cancer types. In this review, we have focused on signaling involving ROS and mitochondrial Prdxs that is associated with cancer development and progression. An upregulated expression of Prdx3 and Prdx5 has been reported in different cancer types, such as breast, ovarian, endometrial, and lung cancers, as well as in Hodgkin's lymphoma and hepatocellular carcinoma. The expression of Prdx3 and Prdx5 in different types of malignancies involves their association with different factors, such as transcription factors, micro RNAs, tumor suppressors, response elements, and oncogenic genes. The microenvironment of mitochondrial Prdxs plays an important role in cancer development, as cancerous cells are equipped with a high level of antioxidants to overcome excessive ROS production. However, an increased production of Prdx3 and Prdx5 is associated with the development of chemoresistance in certain types of cancers and it leads to further complications in cancer treatment. Understanding the interplay between mitochondrial Prdxs and ROS in carcinogenesis can be useful in the development of anticancer drugs with better proficiency and decreased resistance. However, more targeted studies are required for exploring the tumor microenvironment in association with mitochondrial Prdxs to improve the existing cancer therapies and drug development.
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Affiliation(s)
- Tayaba Ismail
- KNU-Center for Nonlinear Dynamics, CMRI, School of Life Sciences, BK21 Plus KNU Creative BioResearch Group, College of Natural Sciences, Kyungpook National University, Daegu 41566, Korea.
| | - Youni Kim
- KNU-Center for Nonlinear Dynamics, CMRI, School of Life Sciences, BK21 Plus KNU Creative BioResearch Group, College of Natural Sciences, Kyungpook National University, Daegu 41566, Korea.
| | - Hongchan Lee
- KNU-Center for Nonlinear Dynamics, CMRI, School of Life Sciences, BK21 Plus KNU Creative BioResearch Group, College of Natural Sciences, Kyungpook National University, Daegu 41566, Korea.
| | - Dong-Seok Lee
- KNU-Center for Nonlinear Dynamics, CMRI, School of Life Sciences, BK21 Plus KNU Creative BioResearch Group, College of Natural Sciences, Kyungpook National University, Daegu 41566, Korea.
| | - Hyun-Shik Lee
- KNU-Center for Nonlinear Dynamics, CMRI, School of Life Sciences, BK21 Plus KNU Creative BioResearch Group, College of Natural Sciences, Kyungpook National University, Daegu 41566, Korea.
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Taskin E, Guven C, Kaya ST, Sahin L, Kocahan S, Degirmencioglu AZ, Gur FM, Sevgiler Y. The role of toll-like receptors in the protective effect of melatonin against doxorubicin-induced pancreatic beta cell toxicity. Life Sci 2019; 233:116704. [DOI: 10.1016/j.lfs.2019.116704] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2019] [Revised: 07/26/2019] [Accepted: 07/26/2019] [Indexed: 02/08/2023]
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Cléach J, Pasdois P, Marchetti P, Watier D, Duflos G, Goffier E, Lacoste AS, Slomianny C, Grard T, Lencel P. Mitochondrial activity as an indicator of fish freshness. Food Chem 2019; 287:38-45. [DOI: 10.1016/j.foodchem.2019.02.076] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2018] [Revised: 02/08/2019] [Accepted: 02/16/2019] [Indexed: 12/20/2022]
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Qin X, Gao S, Yang Y, Wu L, Wang L. microRNA-25 promotes cardiomyocytes proliferation and migration via targeting Bim. J Cell Physiol 2019; 234:22103-22115. [PMID: 31058341 DOI: 10.1002/jcp.28773] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2018] [Revised: 04/17/2019] [Accepted: 04/22/2019] [Indexed: 02/06/2023]
Abstract
microRNAs (miRNAs) are pleiotropic players in cardiac development. Recent evidence have suggested miRNAs as promisingly therapeutic targets for cardiac regeneration. This study aimed to reveal the potential effects of miR-25 on cardiomyocytes proliferation and migration. Sprague-Dawley rats received left coronary occlusion surgery to induce an in vivo model of myocardial ischemia/reperfusion (I/R) injury. Expression changes of miR-25 and Bim were tested by quantitative reverse transcription-polymerase chain reaction (qRT-PCR) and western blot. Besides, primary neonatal and adult cardiomyocytes were transfected by the antisense oligonucleotides or mimic specific for miR-25, and then 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium bromide (MTT), 5-ethynyl-2'-deoxyuridine (EdU), Boyden chamber, and terminal-deoxynucleotidyl transferase-mediated nick end labeling (TUNEL) assay were respectively used to determine cardiomyocytes growth and migration. Binding effects of miR-25 on the 3'-untranslated region (3'-UTR) of Bim was assessed by dual-luciferase reporter assay. We found that miR-25 was low expressed, whereas Bim was highly expressed in I/R injury model and hypoxia-stimulated cardiomyocytes. Downregulation of miR-25 in neonatal and adult cardiomyocytes markedly reduced cell proliferation and migration, but promoted apoptosis. Consistently, downregulation of miR-25 decreased the expression of cyclin E2, cyclin D1, and CDK4, and increased the expression of p57 (KIP2) in cardiomyocytes. We additionally found that Bim was a target of miR-25. The inhibitory effects of miR-25 downregulation on cardiomyocytes survival and migration were all significantly attenuated when Bim was silenced. To sum up, our study demonstrates that miR-25 downregulation inhibits cardiomyocytes proliferation and migration, but promotes apoptosis. The role of miR-25 in cardiomyocytes was by targeting Bim.
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Affiliation(s)
- Xiaofeng Qin
- Department of Emergency, Shengli Oilfield Central Hospital, Dongying, China
| | - Shufang Gao
- Department of Emergency, Shengli Oilfield Central Hospital, Dongying, China
| | - Yadong Yang
- Department of Emergency, Shengli Oilfield Central Hospital, Dongying, China
| | - Leilei Wu
- Department of Emergency, Shengli Oilfield Central Hospital, Dongying, China
| | - Liming Wang
- Department of Emergency, Shengli Oilfield Central Hospital, Dongying, China
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Pereira SS, Monteiro MP, Antonini SR, Pignatelli D. Apoptosis regulation in adrenocortical carcinoma. Endocr Connect 2019; 8:R91-R104. [PMID: 30978697 PMCID: PMC6510712 DOI: 10.1530/ec-19-0114] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/03/2019] [Accepted: 04/11/2019] [Indexed: 12/31/2022]
Abstract
Apoptosis evading is a hallmark of cancer. Tumor cells are characterized by having an impaired apoptosis signaling, a fact that deregulates the balance between cell death and survival, leading to tumor development, invasion and resistance to treatment. In general, patients with adrenocortical carcinomas (ACC) have an extremely bad prognosis, which is related to disease progression and significant resistance to treatments. In this report, we performed an integrative review about the disruption of apoptosis in ACC that may underlie the characteristic poor prognosis in these patients. Although the apoptosis has been scarcely studied in ACC, the majority of the deregulation phenomena already described are anti-apoptotic. Most importantly, in a near future, targeting apoptosis modulation in ACC patients may become a promising therapeutic.
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Affiliation(s)
- Sofia S Pereira
- Instituto de Investigação e Inovação em Saúde (I3S), Universidade do Porto, Porto, Portugal
- Institute of Molecular Pathology and Immunology of the University of Porto (IPATIMUP), Porto, Portugal
- Endocrine, Cardiovascular & Metabolic Research, Department of Anatomy, Multidisciplinary Unit for Biomedical Research (UMIB), Instituto de Ciências Biomédicas Abel Salazar, University of Porto (ICBAS/UP), Porto, Portugal
| | - Mariana P Monteiro
- Endocrine, Cardiovascular & Metabolic Research, Department of Anatomy, Multidisciplinary Unit for Biomedical Research (UMIB), Instituto de Ciências Biomédicas Abel Salazar, University of Porto (ICBAS/UP), Porto, Portugal
| | - Sonir R Antonini
- Department of Pediatrics, Ribeirao Preto Medical School, University of Sao Paulo, Ribeirao Preto, Brazil
| | - Duarte Pignatelli
- Instituto de Investigação e Inovação em Saúde (I3S), Universidade do Porto, Porto, Portugal
- Institute of Molecular Pathology and Immunology of the University of Porto (IPATIMUP), Porto, Portugal
- Department of Endocrinology, Hospital S. João, Porto, Portugal
- Correspondence should be addressed to D Pignatelli:
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MSC.sTRAIL Has Better Efficacy than MSC.FL-TRAIL and in Combination with AKTi Blocks Pro-Metastatic Cytokine Production in Prostate Cancer Cells. Cancers (Basel) 2019; 11:cancers11040568. [PMID: 31010082 PMCID: PMC6521093 DOI: 10.3390/cancers11040568] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2019] [Revised: 04/09/2019] [Accepted: 04/18/2019] [Indexed: 02/07/2023] Open
Abstract
Cell therapy is a promising new treatment option for cancer. In particular, mesenchymal stem cells (MSCs) have shown potential in delivering therapeutic genes in various tumour models and are now on the verge of being tested in the clinic. A number of therapeutic genes have been examined in this context, including the death ligand TRAIL. For cell therapy, it can be used in its natural form as a full-length and membrane-bound protein (FL-TRAIL) or as an engineered version commonly referred to as soluble TRAIL (sTRAIL). As to which is more therapeutically efficacious, contradicting results have been reported. We discovered that MSCs producing sTRAIL have significantly higher apoptosis-inducing activity than cells expressing FL-TRAIL and found that FL-TRAIL, in contrast to sTRAIL, is not secreted. We also demonstrated that TRAIL does induce the expression of pro-metastatic cytokines in prostate cancer cells, but that this effect could be overcome through combination with an AKT inhibitor. Thus, a combination consisting of small-molecule drugs specifically targeting tumour cells in combination with MSC.sTRAIL, not only provides a way of sensitising cancer cells to TRAIL, but also reduces the issue of side-effect-causing cytokine production. This therapeutic strategy therefore represents a novel targeted treatment option for advanced prostate cancer and other difficult to treat tumours.
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Pal A, Pal A, Banerjee S, Batabyal S, Chatterjee PN. Mutation in Cytochrome B gene causes debility and adverse effects on health of sheep. Mitochondrion 2019; 46:393-404. [PMID: 30660753 DOI: 10.1016/j.mito.2018.10.003] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2018] [Revised: 09/02/2018] [Accepted: 10/24/2018] [Indexed: 12/14/2022]
Abstract
Cytochrome B is the mitochondrial protein, which functions as part of the electron transport chain and is the main subunit of transmembrane cytochrome bc1 and b6f complexes affecting energy metabolism through oxidative phosphorylation. The present study was conducted to study the effect of mutation of Cytochrome B gene on the health condition of sheep, which the first report of association of mitochondrial gene with disease traits in livestock species. Non-synonymous substitutions (F33 L and D171N) and Indel mutations were observed for Cytochrome B gene, leading to a truncated protein, where anemia, malfunctioning of most of the vital organs as liver, kidney and mineral status was observed and debility with exercise intolerance and cardiomyopathy in extreme cases were depicted. These findings were confirmed by bioinformatics analysis, haematological and biochemical data analysis, and other phenotypical physiological data pertaining to different vital organs. The molecular mechanism of cytochrome B mutation was that the mutant variant interferes with the site of heme binding (iron containing) domain and calcium binding essential for electron transport chain. Mutation at amino acid site 33 is located within transmembrane helix A, a hydrophobic environment at the Qi site and close to heme binding domain, and mutation effects these domain and diseases occur. Thermodynamic stability was also observed to decrease in mutant variant. Sheep Cytochrome B being genetically more similar to the human, it may be used as a model for studying human diseases related to cytochrome B defects. Future prospect of the study includes the therapeutic application of recombinant protein, gene therapy and marker-assisted selection of disease-resistant livestock.
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Affiliation(s)
- Aruna Pal
- West Bengal University of Animal and Fishery Sciences, 37, K.B.Sarani, Kolkata-37, West Bengal, India.
| | - Abantika Pal
- Indian Institute of Technology, Kharagpur, Paschim Medinipur, West Bengal, India
| | - Samiddha Banerjee
- West Bengal University of Animal and Fishery Sciences, 37, K.B.Sarani, Kolkata-37, West Bengal, India
| | - S Batabyal
- West Bengal University of Animal and Fishery Sciences, 37, K.B.Sarani, Kolkata-37, West Bengal, India
| | - P N Chatterjee
- West Bengal University of Animal and Fishery Sciences, 37, K.B.Sarani, Kolkata-37, West Bengal, India
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Niu N, Li Z, Zhu M, Sun H, Yang J, Xu S, Zhao W, Song R. Effects of nuclear respiratory factor‑1 on apoptosis and mitochondrial dysfunction induced by cobalt chloride in H9C2 cells. Mol Med Rep 2019; 19:2153-2163. [PMID: 30628711 PMCID: PMC6390059 DOI: 10.3892/mmr.2019.9839] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2017] [Accepted: 09/28/2018] [Indexed: 01/31/2023] Open
Abstract
Hypoxia-induced apoptosis occurs in various diseases. Cobalt chloride (CoCl2) is a hypoxia mimic agent that is frequently used in studies investigating the mechanisms of hypoxia. Nuclear respiratory factor-1 (NRF-1) is a transcription factor with an important role in the expression of mitochondrial respiratory and mitochondria-associated genes. However, few studies have evaluated the effects of NRF-1 on apoptosis, particularly with regard to damage caused by CoCl2. In the present study, the role of NRF-1 in mediating CoCl2-induced apoptosis was investigated using cell viability analysis, flow cytometry, fluorescence imaging, western blotting analysis, energy metabolism analysis and reverse transcription-quantitative polymerase chain reaction. The present results revealed that the apoptosis caused by CoCl2 could be alleviated by NRF-1. Furthermore, overexpression of NRF-1 increased the expression of B-cell lymphoma-2, hypoxia inducible factor-1α and NRF-2. Also, cell damage induced by CoCl2 may be associated with depolarization of mitochondrial membrane potential, and NRF-1 suppressed this effect. Notably, the oxygen consumption rate (OCR) was reduced in CoCl2-treated cells, whereas overexpression of NRF-1 enhanced the OCR, suggesting that NRF-1 had protective effects. In summary, the present study demonstrated that NRF-1 protected against CoCl2-induced apoptosis, potentially by strengthening mitochondrial function to resist CoCl2-induced damage to H9C2 cells. The results of the present study provide a possible way for the investigation of myocardial diseases.
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Affiliation(s)
- Nan Niu
- College of Basic Medicine, Ningxia Medical University, Yinchuan, Ningxia Hui Autonomous Region 750001, P.R. China
| | - Zihua Li
- School of Pharmacy, Tsinghua University, Beijing 100084, P.R. China
| | - Mingxing Zhu
- College of Basic Medicine, Ningxia Medical University, Yinchuan, Ningxia Hui Autonomous Region 750001, P.R. China
| | - Hongli Sun
- College of Basic Medicine, Ningxia Medical University, Yinchuan, Ningxia Hui Autonomous Region 750001, P.R. China
| | - Jihui Yang
- College of Basic Medicine, Ningxia Medical University, Yinchuan, Ningxia Hui Autonomous Region 750001, P.R. China
| | - Shimei Xu
- College of Basic Medicine, Ningxia Medical University, Yinchuan, Ningxia Hui Autonomous Region 750001, P.R. China
| | - Wei Zhao
- College of Basic Medicine, Ningxia Medical University, Yinchuan, Ningxia Hui Autonomous Region 750001, P.R. China
| | - Rong Song
- Department of Critical Care Medicine, The Fifth Hospital of the Chinese People's Liberation Army, Yinchuan, Ningxia Hui Autonomous Region 750001, P.R. China
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Allegra A, Innao V, Allegra AG, Musolino C. Relationship between mitofusin 2 and cancer. ADVANCES IN PROTEIN CHEMISTRY AND STRUCTURAL BIOLOGY 2018; 116:209-236. [PMID: 31036292 DOI: 10.1016/bs.apcsb.2018.11.009] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Mitochondria are dynamic organelles whose actions are fundamental for cell viability. Within the cell, the mitochondrial system is incessantly modified via the balance between fusion and fission processes. Among other proteins, mitofusin 2 is a central protagonist in all these mitochondrial events (fusion, trafficking, contacts with other organelles), the balance of which causes the correct mitochondrial action, shape, and distribution within the cell. Here we examine the structural and functional characteristics of mitofusin 2, underlining its essential role in numerous intracellular pathways, as well as in the pathogenesis of cancer.
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Affiliation(s)
- Alessandro Allegra
- Division of Hematology, Department of Human Pathology in Adulthood and Childhood "Gaetano Barresi", University of Messina, Messina, Italy.
| | - Vanessa Innao
- Division of Hematology, Department of Human Pathology in Adulthood and Childhood "Gaetano Barresi", University of Messina, Messina, Italy
| | - Andrea Gaetano Allegra
- Division of Hematology, Department of Human Pathology in Adulthood and Childhood "Gaetano Barresi", University of Messina, Messina, Italy
| | - Caterina Musolino
- Division of Hematology, Department of Human Pathology in Adulthood and Childhood "Gaetano Barresi", University of Messina, Messina, Italy
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Benati RB, Costa TR, Cacemiro MDC, Sampaio SV, de Castro FA, Burin SM. Cytotoxic and pro-apoptotic action of MjTX-I, a phospholipase A2 isolated from Bothrops moojeni snake venom, towards leukemic cells. J Venom Anim Toxins Incl Trop Dis 2018; 24:40. [PMID: 30598659 PMCID: PMC6300906 DOI: 10.1186/s40409-018-0180-9] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2018] [Accepted: 12/06/2018] [Indexed: 02/06/2023] Open
Abstract
Background Chronic myeloid leukemia (CML) is a BCR-ABL1+ myeloproliferative neoplasm marked by increased myeloproliferation and presence of leukemic cells resistant to apoptosis. The current first-line therapy for CML is administration of the tyrosine kinase inhibitors imatinib mesylate, dasatinib or nilotinib. Although effective to treat CML, some patients have become resistant to this therapy, leading to disease progression and death. Thus, the discovery of new compounds to improve CML therapy is still challenging. Here we addressed whether MjTX-I, a phospholipase A2 isolated from Bothrops moojeni snake venom, affects the viability of imatinib mesylate-resistant Bcr-Abl+ cell lines. Methods We examined the cytotoxic and pro-apoptotic effect of MjTX-I in K562-S and K562-R Bcr-Abl+ cells and in the non-tumor HEK-293 cell line and peripheral blood mononuclear cells, using the 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide and the hypotonic fluorescent solution methods, associated with detection of caspases 3, 8, and 9 activation and poly (ADP-ribose) polymerase (PARP) cleavage. We also analyzed the MjTX-I potential to modulate the expression of apoptosis-related genes in K562-S and K562-R cells. Results MjTX-I decreased the viability of K562-S and K562-R cells by 60 to 65%, without affecting the viability of the non-tumor cells, i.e. it exerted selective cytotoxicity towards Bcr-Abl+ cell lines. In leukemic cell lines, the toxin induced apoptosis, activated caspases 3, 8, and 9, cleaved PARP, downregulated expression of the anti-apoptotic gene BCL-2, and upregulated expression of the pro-apoptotic gene BAD. Conclusion The antitumor effect of MjTX-I is associated with its potential to induce apoptosis and cytotoxicity in Bcr-Abl positive cell lines sensitive and resistant to imatinib mesylate, indicating that MjTX-I is a promising candidate drug to upgrade the CML therapy.
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Affiliation(s)
- Rogério Bodini Benati
- Departamento de Análises Clínicas, Toxicológicas e Bromatológicas. Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, SP Brazil
| | - Tássia Rafaela Costa
- Departamento de Análises Clínicas, Toxicológicas e Bromatológicas. Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, SP Brazil
| | - Maira da Costa Cacemiro
- Departamento de Análises Clínicas, Toxicológicas e Bromatológicas. Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, SP Brazil
| | - Suely Vilela Sampaio
- Departamento de Análises Clínicas, Toxicológicas e Bromatológicas. Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, SP Brazil
| | - Fabíola Attié de Castro
- Departamento de Análises Clínicas, Toxicológicas e Bromatológicas. Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, SP Brazil
| | - Sandra Mara Burin
- Departamento de Análises Clínicas, Toxicológicas e Bromatológicas. Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, SP Brazil
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De R, Sarkar S, Mazumder S, Debsharma S, Siddiqui AA, Saha SJ, Banerjee C, Nag S, Saha D, Pramanik S, Bandyopadhyay U. Macrophage migration inhibitory factor regulates mitochondrial dynamics and cell growth of human cancer cell lines through CD74-NF-κB signaling. J Biol Chem 2018; 293:19740-19760. [PMID: 30366984 DOI: 10.1074/jbc.ra118.003935] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2018] [Revised: 09/25/2018] [Indexed: 12/13/2022] Open
Abstract
The indispensable role of macrophage migration inhibitory factor (MIF) in cancer cell proliferation is unambiguous, although which specific roles the cytokine plays to block apoptosis by preserving cell growth is still obscure. Using different cancer cell lines (AGS, HepG2, HCT116, and HeLa), here we report that the silencing of MIF severely deregulated mitochondrial structural dynamics by shifting the balance toward excess fission, besides inducing apoptosis with increasing sub-G0 cells. Furthermore, enhanced mitochondrial Bax translocation along with cytochrome c release, down-regulation of Bcl-xL, and Bcl-2 as well as up-regulation of Bad, Bax, and p53 indicated the activation of a mitochondrial pathway of apoptosis upon MIF silencing. The data also indicate a concerted down-regulation of Opa1 and Mfn1 along with a significant elevation of Drp1, cumulatively causing mitochondrial fragmentation upon MIF silencing. Up-regulation of Drp1 was found to be further coupled with fissogenic serine 616 phosphorylation and serine 637 dephosphorylation, thus ensuring enhanced mitochondrial translocation. Interestingly, MIF silencing was found to be associated with decreased NF-κB activation. In fact, NF-κB knockdown in turn increased mitochondrial fission and cell death. In addition, the silencing of CD74, the cognate receptor of MIF, remarkably increased mitochondrial fragmentation in addition to preventing cell proliferation, inducing mitochondrial depolarization, and increasing apoptotic cell death. This indicates the active operation of a MIF-regulated CD74-NF-κB signaling axis for maintaining mitochondrial stability and cell growth. Thus, we propose that MIF, through CD74, constitutively activates NF-κB to control mitochondrial dynamics and stability for promoting carcinogenesis via averting apoptosis.
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Affiliation(s)
- Rudranil De
- From the Division of Infectious Diseases and Immunology, CSIR-Indian Institute of Chemical Biology, Jadavpur, Kolkata 700032, West Bengal, India
| | - Souvik Sarkar
- From the Division of Infectious Diseases and Immunology, CSIR-Indian Institute of Chemical Biology, Jadavpur, Kolkata 700032, West Bengal, India
| | - Somnath Mazumder
- From the Division of Infectious Diseases and Immunology, CSIR-Indian Institute of Chemical Biology, Jadavpur, Kolkata 700032, West Bengal, India
| | - Subhashis Debsharma
- From the Division of Infectious Diseases and Immunology, CSIR-Indian Institute of Chemical Biology, Jadavpur, Kolkata 700032, West Bengal, India
| | - Asim Azhar Siddiqui
- From the Division of Infectious Diseases and Immunology, CSIR-Indian Institute of Chemical Biology, Jadavpur, Kolkata 700032, West Bengal, India
| | - Shubhra Jyoti Saha
- From the Division of Infectious Diseases and Immunology, CSIR-Indian Institute of Chemical Biology, Jadavpur, Kolkata 700032, West Bengal, India
| | - Chinmoy Banerjee
- From the Division of Infectious Diseases and Immunology, CSIR-Indian Institute of Chemical Biology, Jadavpur, Kolkata 700032, West Bengal, India
| | - Shiladitya Nag
- From the Division of Infectious Diseases and Immunology, CSIR-Indian Institute of Chemical Biology, Jadavpur, Kolkata 700032, West Bengal, India
| | - Debanjan Saha
- From the Division of Infectious Diseases and Immunology, CSIR-Indian Institute of Chemical Biology, Jadavpur, Kolkata 700032, West Bengal, India
| | - Saikat Pramanik
- From the Division of Infectious Diseases and Immunology, CSIR-Indian Institute of Chemical Biology, Jadavpur, Kolkata 700032, West Bengal, India
| | - Uday Bandyopadhyay
- From the Division of Infectious Diseases and Immunology, CSIR-Indian Institute of Chemical Biology, Jadavpur, Kolkata 700032, West Bengal, India
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48
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Abstract
Osteoclasts are defined as cells capable of excavating 3-dimensional resorption pits in bone and other mineralised tissues. They are derived from the differentiation/fusion of promonocytic precursors, and are usually large, multinucleated cells. In common with other cells from this myeloid lineage such as macrophages and dendritic cells, they are adapted to function in hypoxic, acidic environments. The process of bone resorption is rapid and is presumably highly energy-intensive, since osteoclasts must actively extrude protons to dissolve hydroxyapatite mineral, whilst secreting cathepsin K to degrade collagen, as well as maintaining a high degree of motility. Osteoclasts are well known to contain abundant mitochondria but they are also able to rely on glycolytic (anaerobic) metabolism to generate the ATP needed to power their activity. Their primary extracellular energy source appears to be glucose. Excessive accumulation of mitochondrial reactive oxygen species in osteoclasts during extended periods of high activity in oxygen-poor environments may promote apoptosis and help to limit bone resorption - a trajectory that could be termed "live fast, die young". In general, however, the metabolism of osteoclasts remains a poorly-investigated area, not least because of the technical challenges of studying actively resorbing cells in appropriate conditions.
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Affiliation(s)
- Timothy R Arnett
- Department of Cell & Developmental Biology, University College London, Gower Street, London WC1E 6BT, UK.
| | - Isabel R Orriss
- Department of Comparative Biomedical Sciences, Royal Veterinary College, Royal College Street, London NW1 0TU, UK.
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49
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Pierrillas PB, Henin E, Ogier J, Kraus-Berthier L, Chenel M, Bouzom F, Tod M. Tumor Growth Inhibition Modelling Based on Receptor Occupancy and Biomarker Activity of a New Bcl-2 Inhibitor in Mice. J Pharmacol Exp Ther 2018; 367:414-424. [DOI: 10.1124/jpet.118.251694] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2018] [Accepted: 09/10/2018] [Indexed: 12/16/2022] Open
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50
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Velmurugan B, Cengiz EI, Yolcu M, Uğurlu P, Selvanayagam M. Cytological and histological effects of pesticide chlorpyriphos in the gills of Anabas testudineus. Drug Chem Toxicol 2018; 43:409-414. [PMID: 30081650 DOI: 10.1080/01480545.2018.1497052] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Abstract
The present study was aimed to report the toxicity of the chlorpyrifos, an organophosphorus insecticide, with regard to histological and cytological effects through light and transmission electron microscopes in the gills of freshwater fish, Anabas testudineus. The fish were exposed to 0.125 (5% of 96 h LC50), 0.250 (10% of 96 h LC50), and 0.375 mgL-1 (15% of 96 h LC50) of chlorpyrifos for 7, 14, and 21 days for light microscopy and 21 days for transmission electron microscopy. The histological effects were seen in all exposed concentrations of 0.125, 0.250, and 0.375 mgL-1. These effects increased with the increase in chlorpyrifos concentrations and duration of exposure. The main histological effects visible in the gill tissue were fusion of secondary lamellae and epithelial hyperplasia. Other effects included the epithelial hypertrophy, lifting of lamellar epithelium, aneurysm, necrosis, and desquamation of epithelial cells were also reported. Cytological effects included epithelial detachment, large subepithelial space, necrotic cells, apoptotic remnant of cells, the presence of macrophages, swelling of mitochondria in the chloride cells, distension of the tubular system, the presence of some large vacuoles, deposition of excessive mucous, and nucleus abnormalities. This study confirms that varying doses of chlorpyrifos have adverse histological and cytological effects in the gills of A. testudineus.
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Affiliation(s)
- Babu Velmurugan
- Department of Zoology, P.G and Research and Biotechnology, Sir Theagaraya College, Chennai, Tamil Nadu, India
| | - Elif Ipek Cengiz
- Department of Pharmaceutical Toxicology, Faculty Pharmacy, Dicle University, Diyarbakir, Turkey
| | - Murat Yolcu
- Department of Pharmaceutical Toxicology, Faculty Pharmacy, Dicle University, Diyarbakir, Turkey
| | - Pelin Uğurlu
- Science and Technology Research and Application Center, Dicle University, Diyarbakir, Turkey
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