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Ziegler DV, Martin N, Bernard D. Cellular senescence links mitochondria-ER contacts and aging. Commun Biol 2021; 4:1323. [PMID: 34819602 PMCID: PMC8613202 DOI: 10.1038/s42003-021-02840-5] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Accepted: 10/30/2021] [Indexed: 12/11/2022] Open
Abstract
Membrane contact sites emerged in the last decade as key players in the integration, regulation and transmission of many signals within cells, with critical impact in multiple pathophysiological contexts. Numerous studies accordingly point to a role for mitochondria-endoplasmic reticulum contacts (MERCs) in modulating aging. Nonetheless, the driving cellular mechanisms behind this role remain unclear. Recent evidence unravelled that MERCs regulate cellular senescence, a state of permanent proliferation arrest associated with a pro-inflammatory secretome, which could mediate MERC impact on aging. Here we discuss this idea in light of recent advances supporting an interplay between MERCs, cellular senescence and aging.
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Affiliation(s)
- Dorian V Ziegler
- Centre de Recherche en Cancérologie de Lyon, Inserm U1052, CNRS UMR 5286, Université de Lyon, Centre Léon Bérard, Lyon, France.
- Center for Integrative Genomics, University of Lausanne, Lausanne, Switzerland.
| | - Nadine Martin
- Centre de Recherche en Cancérologie de Lyon, Inserm U1052, CNRS UMR 5286, Université de Lyon, Centre Léon Bérard, Lyon, France.
| | - David Bernard
- Centre de Recherche en Cancérologie de Lyon, Inserm U1052, CNRS UMR 5286, Université de Lyon, Centre Léon Bérard, Lyon, France.
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Ghosh-Choudhary SK, Liu J, Finkel T. The role of mitochondria in cellular senescence. FASEB J 2021; 35:e21991. [PMID: 34758157 DOI: 10.1096/fj.202101462r] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Revised: 09/26/2021] [Accepted: 10/01/2021] [Indexed: 01/07/2023]
Abstract
Mitochondria are intimately connected to cell fate and function. Here, we review how these intracellular organelles participate in the induction and maintenance of the senescent state. In particular, we discuss how alterations in mitochondrial metabolism, quality control and dynamics are all involved in various aspects of cellular senescence. Together, these observations suggest that mitochondria are active participants and are mechanistically linked to the unique biology of senescence. We further describe how these insights can be potentially exploited for therapeutic benefit.
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Affiliation(s)
| | - Jie Liu
- Aging Institute, University of Pittsburgh School of Medicine/UPMC, Pittsburgh, Pennsylvania, USA
| | - Toren Finkel
- Aging Institute, University of Pittsburgh School of Medicine/UPMC, Pittsburgh, Pennsylvania, USA
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Lee YH, Park JY, Lee H, Song ES, Kuk MU, Joo J, Oh S, Kwon HW, Park JT, Park SC. Targeting Mitochondrial Metabolism as a Strategy to Treat Senescence. Cells 2021; 10:cells10113003. [PMID: 34831224 PMCID: PMC8616445 DOI: 10.3390/cells10113003] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Revised: 11/02/2021] [Accepted: 11/02/2021] [Indexed: 12/13/2022] Open
Abstract
Mitochondria are one of organelles that undergo significant changes associated with senescence. An increase in mitochondrial size is observed in senescent cells, and this increase is ascribed to the accumulation of dysfunctional mitochondria that generate excessive reactive oxygen species (ROS). Such dysfunctional mitochondria are prime targets for ROS-induced damage, which leads to the deterioration of oxidative phosphorylation and increased dependence on glycolysis as an energy source. Based on findings indicating that senescent cells exhibit mitochondrial metabolic alterations, a strategy to induce mitochondrial metabolic reprogramming has been proposed to treat aging and age-related diseases. In this review, we discuss senescence-related mitochondrial changes and consequent mitochondrial metabolic alterations. We assess the significance of mitochondrial metabolic reprogramming for senescence regulation and propose the appropriate control of mitochondrial metabolism to ameliorate senescence. Learning how to regulate mitochondrial metabolism will provide knowledge for the control of aging and age-related pathologies. Further research focusing on mitochondrial metabolic reprogramming will be an important guide for the development of anti-aging therapies, and will provide novel strategies for anti-aging interventions.
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Affiliation(s)
- Yun Haeng Lee
- Division of Life Sciences, College of Life Sciences and Bioengineering, Incheon National University, Incheon 22012, Korea; (Y.H.L.); (J.Y.P.); (H.L.); (E.S.S.); (M.U.K.); (J.J.)
| | - Ji Yun Park
- Division of Life Sciences, College of Life Sciences and Bioengineering, Incheon National University, Incheon 22012, Korea; (Y.H.L.); (J.Y.P.); (H.L.); (E.S.S.); (M.U.K.); (J.J.)
| | - Haneur Lee
- Division of Life Sciences, College of Life Sciences and Bioengineering, Incheon National University, Incheon 22012, Korea; (Y.H.L.); (J.Y.P.); (H.L.); (E.S.S.); (M.U.K.); (J.J.)
| | - Eun Seon Song
- Division of Life Sciences, College of Life Sciences and Bioengineering, Incheon National University, Incheon 22012, Korea; (Y.H.L.); (J.Y.P.); (H.L.); (E.S.S.); (M.U.K.); (J.J.)
| | - Myeong Uk Kuk
- Division of Life Sciences, College of Life Sciences and Bioengineering, Incheon National University, Incheon 22012, Korea; (Y.H.L.); (J.Y.P.); (H.L.); (E.S.S.); (M.U.K.); (J.J.)
| | - Junghyun Joo
- Division of Life Sciences, College of Life Sciences and Bioengineering, Incheon National University, Incheon 22012, Korea; (Y.H.L.); (J.Y.P.); (H.L.); (E.S.S.); (M.U.K.); (J.J.)
| | - Sekyung Oh
- Department of Medical Sciences, Catholic Kwandong University College of Medicine, Incheon 22711, Korea;
| | - Hyung Wook Kwon
- Division of Life Sciences, College of Life Sciences and Bioengineering, Incheon National University, Incheon 22012, Korea; (Y.H.L.); (J.Y.P.); (H.L.); (E.S.S.); (M.U.K.); (J.J.)
- Correspondence: (H.W.K.); (J.T.P.); ; (S.C.P.); Tel.: +82-32-835-8090 (H.W.K.); +82-32-835-8841 (J.T.P.); +82-10-5495-9200 (S.C.P.)
| | - Joon Tae Park
- Division of Life Sciences, College of Life Sciences and Bioengineering, Incheon National University, Incheon 22012, Korea; (Y.H.L.); (J.Y.P.); (H.L.); (E.S.S.); (M.U.K.); (J.J.)
- Correspondence: (H.W.K.); (J.T.P.); ; (S.C.P.); Tel.: +82-32-835-8090 (H.W.K.); +82-32-835-8841 (J.T.P.); +82-10-5495-9200 (S.C.P.)
| | - Sang Chul Park
- The Future Life & Society Research Center, Chonnam National University, Gwangju 61186, Korea
- Correspondence: (H.W.K.); (J.T.P.); ; (S.C.P.); Tel.: +82-32-835-8090 (H.W.K.); +82-32-835-8841 (J.T.P.); +82-10-5495-9200 (S.C.P.)
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Deng J, Gutiérrez LG, Stoll G, Motiño O, Martins I, Núñez L, Bravo-San Pedro JM, Humeau J, Bordenave C, Pan J, Fohrer-Ting H, Souquere S, Pierron G, Hetz C, Villalobos C, Kroemer G, Senovilla L. Paradoxical implication of BAX/BAK in the persistence of tetraploid cells. Cell Death Dis 2021; 12:1039. [PMID: 34725331 PMCID: PMC8560871 DOI: 10.1038/s41419-021-04321-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Revised: 09/28/2021] [Accepted: 10/06/2021] [Indexed: 12/22/2022]
Abstract
Pro-apoptotic multi-domain proteins of the BCL2 family such as BAX and BAK are well known for their important role in the induction of mitochondrial outer membrane permeabilization (MOMP), which is the rate-limiting step of the intrinsic pathway of apoptosis. Human or mouse cells lacking both BAX and BAK (due to a double knockout, DKO) are notoriously resistant to MOMP and cell death induction. Here we report the surprising finding that BAX/BAK DKO cells proliferate less than control cells expressing both BAX and BAK (or either BAX or BAK) when they are driven into tetraploidy by transient exposure to the microtubule inhibitor nocodazole. Mechanistically, in contrast to their BAX/BAK-sufficient controls, tetraploid DKO cells activate a senescent program, as indicated by the overexpression of several cyclin-dependent kinase inhibitors and the activation of β-galactosidase. Moreover, DKO cells manifest alterations in ionomycin-mobilizable endoplasmic reticulum (ER) Ca2+ stores and store-operated Ca2+ entry that are affected by tetraploidization. DKO cells manifested reduced expression of endogenous sarcoplasmic/endoplasmic reticulum Ca2+ ATPase 2a (Serca2a) and transfection-enforced reintroduction of Serca2a, or reintroduction of an ER-targeted variant of BAK into DKO cells reestablished the same pattern of Ca2+ fluxes as observed in BAX/BAK-sufficient control cells. Serca2a reexpression and ER-targeted BAK also abolished the tetraploidy-induced senescence of DKO cells, placing ER Ca2+ fluxes downstream of the regulation of senescence by BAX/BAK. In conclusion, it appears that BAX/BAK prevent the induction of a tetraploidization-associated senescence program. Speculatively, this may contribute to the low incidence of cancers in BAX/BAK DKO mice and explain why human cancers rarely lose the expression of both BAX and BAK.
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Affiliation(s)
- Jiayin Deng
- Centre de Recherche des Cordeliers, Sorbonne Université, Inserm, Université de Paris, Equipe 11 Labellisée par la Ligue Contre le Cancer, F-75006, Paris, France
- Metabolomics and Cell Biology Platforms, Gustave Roussy Comprehensive Cancer Institute, Villejuif, France
| | - Lucía G Gutiérrez
- Unidad de Excelencia Instituto de Biología y Genética Molecular (IBGM), Universidad de Valladolid - CSIC, Valladolid, Spain
| | - Gautier Stoll
- Centre de Recherche des Cordeliers, Sorbonne Université, Inserm, Université de Paris, Equipe 11 Labellisée par la Ligue Contre le Cancer, F-75006, Paris, France
- Metabolomics and Cell Biology Platforms, Gustave Roussy Comprehensive Cancer Institute, Villejuif, France
| | - Omar Motiño
- Centre de Recherche des Cordeliers, Sorbonne Université, Inserm, Université de Paris, Equipe 11 Labellisée par la Ligue Contre le Cancer, F-75006, Paris, France
- Metabolomics and Cell Biology Platforms, Gustave Roussy Comprehensive Cancer Institute, Villejuif, France
| | - Isabelle Martins
- Centre de Recherche des Cordeliers, Sorbonne Université, Inserm, Université de Paris, Equipe 11 Labellisée par la Ligue Contre le Cancer, F-75006, Paris, France
- Metabolomics and Cell Biology Platforms, Gustave Roussy Comprehensive Cancer Institute, Villejuif, France
| | - Lucía Núñez
- Unidad de Excelencia Instituto de Biología y Genética Molecular (IBGM), Universidad de Valladolid - CSIC, Valladolid, Spain
| | - José Manuel Bravo-San Pedro
- Centre de Recherche des Cordeliers, Sorbonne Université, Inserm, Université de Paris, Equipe 11 Labellisée par la Ligue Contre le Cancer, F-75006, Paris, France
- Metabolomics and Cell Biology Platforms, Gustave Roussy Comprehensive Cancer Institute, Villejuif, France
- Facultad de Medicina, Departamento de Fisiología, Universidad Complutense de Madrid, Madrid, Spain
| | - Juliette Humeau
- Centre de Recherche des Cordeliers, Sorbonne Université, Inserm, Université de Paris, Equipe 11 Labellisée par la Ligue Contre le Cancer, F-75006, Paris, France
- Metabolomics and Cell Biology Platforms, Gustave Roussy Comprehensive Cancer Institute, Villejuif, France
- Institute for Research in Immunology and Cancer (IRIC), Université de Montréal, Montreal, QC, Canada, H3C 3J7
- Department of Medicine, Université de Montréal, Montreal, QC, Canada, H3C 3J7
| | - Chloé Bordenave
- Centre de Recherche des Cordeliers, Sorbonne Université, Inserm, Université de Paris, Equipe 11 Labellisée par la Ligue Contre le Cancer, F-75006, Paris, France
- Metabolomics and Cell Biology Platforms, Gustave Roussy Comprehensive Cancer Institute, Villejuif, France
| | - Juncheng Pan
- Centre de Recherche des Cordeliers, Sorbonne Université, Inserm, Université de Paris, Equipe 11 Labellisée par la Ligue Contre le Cancer, F-75006, Paris, France
- Metabolomics and Cell Biology Platforms, Gustave Roussy Comprehensive Cancer Institute, Villejuif, France
| | - Hélène Fohrer-Ting
- Centre de Recherche des Cordeliers, Center for Histology, Cell Imaging and Cytometry (CHIC), Sorbonne Université, Inserm, Université de Paris, F-75006, Paris, France
| | | | - Gerard Pierron
- CNRS, UMR9196, Gustave Roussy Cancer Campus, Villejuif, France
| | - Claudio Hetz
- Faculty of Medicine, Biomedical Neuroscience Institute (BNI), University of Chile, Santiago, 8380453, Chile
- Center for Geroscience, Brain Health and Metabolism (GERO), Santiago, 7800003, Chile
- The Buck Institute for Research in Aging, Novato, CA, 94945, USA
| | - Carlos Villalobos
- Unidad de Excelencia Instituto de Biología y Genética Molecular (IBGM), Universidad de Valladolid - CSIC, Valladolid, Spain.
| | - Guido Kroemer
- Centre de Recherche des Cordeliers, Sorbonne Université, Inserm, Université de Paris, Equipe 11 Labellisée par la Ligue Contre le Cancer, F-75006, Paris, France.
- Metabolomics and Cell Biology Platforms, Gustave Roussy Comprehensive Cancer Institute, Villejuif, France.
- Pôle de Biologie, Hopitâl Européen George Pompidou, AP-HP, Paris, France.
| | - Laura Senovilla
- Centre de Recherche des Cordeliers, Sorbonne Université, Inserm, Université de Paris, Equipe 11 Labellisée par la Ligue Contre le Cancer, F-75006, Paris, France.
- Metabolomics and Cell Biology Platforms, Gustave Roussy Comprehensive Cancer Institute, Villejuif, France.
- Unidad de Excelencia Instituto de Biología y Genética Molecular (IBGM), Universidad de Valladolid - CSIC, Valladolid, Spain.
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Vinci P, Panizon E, Tosoni LM, Cerrato C, Pellicori F, Mearelli F, Biasinutto C, Fiotti N, Di Girolamo FG, Biolo G. Statin-Associated Myopathy: Emphasis on Mechanisms and Targeted Therapy. Int J Mol Sci 2021; 22:11687. [PMID: 34769118 PMCID: PMC8583847 DOI: 10.3390/ijms222111687] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Revised: 10/10/2021] [Accepted: 10/13/2021] [Indexed: 12/25/2022] Open
Abstract
Hyperlipidemia is a major risk factor for cardiovascular morbidity and mortality. Statins are the first-choice therapy for dyslipidemias and are considered the cornerstone of atherosclerotic cardiovascular disease (ASCVD) in both primary and secondary prevention. Despite the statin-therapy-mediated positive effects on cardiovascular events, patient compliance is often poor. Statin-associated muscle symptoms (SAMS) are the most common side effect associated with treatment discontinuation. SAMS, which range from mild-to-moderate muscle pain, weakness, or fatigue to potentially life-threatening rhabdomyolysis, are reported by 10% to 25% of patients receiving statin therapy. There are many risk factors associated with patient features and hypolipidemic agents that seem to increase the risk of developing SAMS. Due to the lack of a "gold standard", the diagnostic test for SAMS is based on a clinical criteria score, which is independent of creatine kinase (CK) elevation. Mechanisms that underlie the pathogenesis of SAMS remain almost unclear, though a high number of risk factors may increase the probability of myotoxicity induced by statin therapy. Some of these, related to pharmacokinetic properties of statins and to concomitant therapies or patient characteristics, may affect statin bioavailability and increase vulnerability to high-dose statins.
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Affiliation(s)
- Pierandrea Vinci
- Clinica Medica, Cattinara Hospital, Department of Medical Surgical ad Health Science, University of Trieste, 34149 Trieste, Italy; (E.P.); (L.M.T.); (C.C.); (F.P.); (F.M.); (N.F.); (F.G.D.G.); (G.B.)
| | - Emiliano Panizon
- Clinica Medica, Cattinara Hospital, Department of Medical Surgical ad Health Science, University of Trieste, 34149 Trieste, Italy; (E.P.); (L.M.T.); (C.C.); (F.P.); (F.M.); (N.F.); (F.G.D.G.); (G.B.)
| | - Letizia Maria Tosoni
- Clinica Medica, Cattinara Hospital, Department of Medical Surgical ad Health Science, University of Trieste, 34149 Trieste, Italy; (E.P.); (L.M.T.); (C.C.); (F.P.); (F.M.); (N.F.); (F.G.D.G.); (G.B.)
| | - Carla Cerrato
- Clinica Medica, Cattinara Hospital, Department of Medical Surgical ad Health Science, University of Trieste, 34149 Trieste, Italy; (E.P.); (L.M.T.); (C.C.); (F.P.); (F.M.); (N.F.); (F.G.D.G.); (G.B.)
| | - Federica Pellicori
- Clinica Medica, Cattinara Hospital, Department of Medical Surgical ad Health Science, University of Trieste, 34149 Trieste, Italy; (E.P.); (L.M.T.); (C.C.); (F.P.); (F.M.); (N.F.); (F.G.D.G.); (G.B.)
| | - Filippo Mearelli
- Clinica Medica, Cattinara Hospital, Department of Medical Surgical ad Health Science, University of Trieste, 34149 Trieste, Italy; (E.P.); (L.M.T.); (C.C.); (F.P.); (F.M.); (N.F.); (F.G.D.G.); (G.B.)
| | - Chiara Biasinutto
- SC Assistenza Farmaceutica, Cattinara Hospital, Azienda Sanitaria Universitaria Integrata di Trieste, 34149 Trieste, Italy;
| | - Nicola Fiotti
- Clinica Medica, Cattinara Hospital, Department of Medical Surgical ad Health Science, University of Trieste, 34149 Trieste, Italy; (E.P.); (L.M.T.); (C.C.); (F.P.); (F.M.); (N.F.); (F.G.D.G.); (G.B.)
| | - Filippo Giorgio Di Girolamo
- Clinica Medica, Cattinara Hospital, Department of Medical Surgical ad Health Science, University of Trieste, 34149 Trieste, Italy; (E.P.); (L.M.T.); (C.C.); (F.P.); (F.M.); (N.F.); (F.G.D.G.); (G.B.)
- SC Assistenza Farmaceutica, Cattinara Hospital, Azienda Sanitaria Universitaria Integrata di Trieste, 34149 Trieste, Italy;
| | - Gianni Biolo
- Clinica Medica, Cattinara Hospital, Department of Medical Surgical ad Health Science, University of Trieste, 34149 Trieste, Italy; (E.P.); (L.M.T.); (C.C.); (F.P.); (F.M.); (N.F.); (F.G.D.G.); (G.B.)
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56
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Zhang M, Serna-Salas S, Damba T, Borghesan M, Demaria M, Moshage H. Hepatic stellate cell senescence in liver fibrosis: Characteristics, mechanisms and perspectives. Mech Ageing Dev 2021; 199:111572. [PMID: 34536446 DOI: 10.1016/j.mad.2021.111572] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Revised: 08/15/2021] [Accepted: 09/10/2021] [Indexed: 02/08/2023]
Abstract
Myofibroblasts play an important role in fibrogenesis. Hepatic stellate cells are the main precursors of myofibroblasts. Cellular senescence is the terminal cell fate in which proliferating cells undergo irreversible cell cycle arrest. Senescent hepatic stellate cells were identified in liver fibrosis. Senescent hepatic stellate cells display decreased collagen production and proliferation. Therefore, induction of senescence could be a protective mechanism against progression of liver fibrosis and the concept of therapy-induced senescence has been proposed to treat liver fibrosis. In this review, characteristics of senescent hepatic stellate cells and the essential signaling pathways involved in senescence are reviewed. Furthermore, the potential impact of senescent hepatic stellate cells on other liver cell types are discussed. Senescent cells are cleared by the immune system. The persistence of senescent cells can remodel the microenvironment and interact with inflammatory cells to induce aging-related dysfunction. Therefore, senolytics, a class of compounds that selectively induce death of senescent cells, were introduced as treatment to remove senescent cells and consequently decrease the disadvantageous effects of persisting senescent cells. The effects of senescent hepatic stellate cells in liver fibrosis need further investigation.
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Affiliation(s)
- Mengfan Zhang
- Dept. of Gastroenterology and Hepatology, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Sandra Serna-Salas
- Dept. of Gastroenterology and Hepatology, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Turtushikh Damba
- Dept. of Gastroenterology and Hepatology, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands; School of Pharmacy, Mongolian National University of Medical Sciences, Ulaanbaatar, Mongolia
| | - Michaela Borghesan
- European Research Institute on the Biology of Aging (ERIBA), University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Marco Demaria
- European Research Institute on the Biology of Aging (ERIBA), University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Han Moshage
- Dept. of Gastroenterology and Hepatology, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands.
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57
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Dabravolski SA, Bezsonov EE, Orekhov AN. The role of mitochondria dysfunction and hepatic senescence in NAFLD development and progression. Biomed Pharmacother 2021; 142:112041. [PMID: 34411916 DOI: 10.1016/j.biopha.2021.112041] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Revised: 07/29/2021] [Accepted: 08/09/2021] [Indexed: 02/07/2023] Open
Abstract
Senescence is a crucial player in several metabolic disorders and chronic inflammatory diseases. Recent data prove the involvement of hepatocyte senescence in the development of NAFLD (non-alcoholic fatty liver disease). As the main energy and ROS (reactive oxygen species) producing organelle, mitochondria play the central role in accelerated senescence and diseases development. In this review, we focus on the role of regulation of mitochondrial Ca2+ homeostasis, NAD+/NADH ratio, UPRmt (mitochondrial unfolded protein response), phospholipids and fatty acid oxidation in hepatic senescence, lifespan and NAFLD disease susceptibility. Additionally, the involvement of mitochondrial and nuclear mutations in lifespan-modulation and NAFLD development is discussed. While nuclear and mitochondria DNA mutations and SNPs (single nucleotide polymorphisms) can be used as effective diagnostic markers and targets for treatments, advanced age should be considered as an independent risk factor for NAFLD development.
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Affiliation(s)
- Siarhei A Dabravolski
- Department of Clinical Diagnostics, Vitebsk State Academy of Veterinary Medicine [UO VGAVM], 7/11 Dovatora str., 210026 Vitebsk, Belarus.
| | - Evgeny E Bezsonov
- Laboratory of Cellular and Molecular Pathology of Cardiovascular System, Institute of Human Morphology, 3 Tsyurupa Street, 117418 Moscow, Russia; Laboratory of Angiopathology, The Institute of General Pathology and Pathophysiology, 8 Baltiyskaya Street, 125315 Moscow, Russia.
| | - Alexander N Orekhov
- Laboratory of Cellular and Molecular Pathology of Cardiovascular System, Institute of Human Morphology, 3 Tsyurupa Street, 117418 Moscow, Russia; Laboratory of Angiopathology, The Institute of General Pathology and Pathophysiology, 8 Baltiyskaya Street, 125315 Moscow, Russia; Department of Basic Research, Institute for Atherosclerosis Research, Moscow 121609, Russia.
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58
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Ahumada-Castro U, Puebla-Huerta A, Cuevas-Espinoza V, Lovy A, Cardenas JC. Keeping zombies alive: The ER-mitochondria Ca 2+ transfer in cellular senescence. BIOCHIMICA ET BIOPHYSICA ACTA-MOLECULAR CELL RESEARCH 2021; 1868:119099. [PMID: 34274397 DOI: 10.1016/j.bbamcr.2021.119099] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Revised: 04/14/2021] [Accepted: 06/18/2021] [Indexed: 01/10/2023]
Abstract
Cellular senescence generates a permanent cell cycle arrest, characterized by apoptosis resistance and a pro-inflammatory senescence-associated secretory phenotype (SASP). Physiologically, senescent cells promote tissue remodeling during development and after injury. However, when accumulated over a certain threshold as happens during aging or after cellular stress, senescent cells contribute to the functional decline of tissues, participating in the generation of several diseases. Cellular senescence is accompanied by increased mitochondrial metabolism. How mitochondrial function is regulated and what role it plays in senescent cell homeostasis is poorly understood. Mitochondria are functionally and physically coupled to the endoplasmic reticulum (ER), the major calcium (Ca2+) storage organelle in mammalian cells, through special domains known as mitochondria-ER contacts (MERCs). In this domain, the release of Ca2+ from the ER is mainly regulated by inositol 1,4,5-trisphosphate receptors (IP3Rs), a family of three Ca2+ release channels activated by a ligand (IP3). IP3R-mediated Ca2+ release is transferred to mitochondria through the mitochondrial Ca2+ uniporter (MCU), where it modulates the activity of several enzymes and transporters impacting its bioenergetic and biosynthetic function. Here, we review the possible connection between ER to mitochondria Ca2+ transfer and senescence. Understanding the pathways that contribute to senescence is essential to reveal new therapeutic targets that allow either delaying senescent cell accumulation or reduce senescent cell burden to alleviate multiple diseases.
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Affiliation(s)
- Ulises Ahumada-Castro
- Center for Integrative Biology, Faculty of Sciences, Universidad Mayor, Santiago 8580745, Chile; Geroscience Center for Brain Health and Metabolism, Santiago 8580745, Chile
| | - Andrea Puebla-Huerta
- Center for Integrative Biology, Faculty of Sciences, Universidad Mayor, Santiago 8580745, Chile; Geroscience Center for Brain Health and Metabolism, Santiago 8580745, Chile
| | - Victor Cuevas-Espinoza
- Center for Integrative Biology, Faculty of Sciences, Universidad Mayor, Santiago 8580745, Chile; Geroscience Center for Brain Health and Metabolism, Santiago 8580745, Chile
| | - Alenka Lovy
- Center for Integrative Biology, Faculty of Sciences, Universidad Mayor, Santiago 8580745, Chile; Department of Neuroscience, Center for Neuroscience Research, Tufts School of Medicine, Boston, MA, USA
| | - J Cesar Cardenas
- Center for Integrative Biology, Faculty of Sciences, Universidad Mayor, Santiago 8580745, Chile; Geroscience Center for Brain Health and Metabolism, Santiago 8580745, Chile; Buck Institute for Research on Aging, Novato, CA 94945, USA; Department of Chemistry and Biochemistry, University of California, Santa Barbara, CA 93106, USA.
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59
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Ohki K, Kiyokawa N, Watanabe S, Iwafuchi H, Nakazawa A, Ishiwata K, Ogata-Kawata H, Nakabayashi K, Okamura K, Tanaka F, Fukano R, Hata K, Mori T, Moriya Saito A, Hayashi Y, Taga T, Sekimizu M, Kobayashi R. Characteristics of genetic alterations of peripheral T-cell lymphoma in childhood including identification of novel fusion genes: the Japan Children's Cancer Group (JCCG). Br J Haematol 2021; 194:718-729. [PMID: 34258755 DOI: 10.1111/bjh.17639] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Revised: 05/16/2021] [Accepted: 05/21/2021] [Indexed: 12/12/2022]
Abstract
Peripheral T-cell lymphoma (PTCL) is a group of heterogeneous non-Hodgkin lymphomas showing a mature T-cell or natural killer cell phenotype, but its molecular abnormalities in paediatric patients remain unclear. By employing next-generation sequencing and multiplex ligation-dependent probe amplification of tumour samples from 26 patients, we identified somatic alterations in paediatric PTCL including Epstein-Barr virus (EBV)-negative (EBV- ) and EBV-positive (EBV+ ) patients. As recurrent mutational targets for PTCL, we identified several previously unreported genes, including TNS1, ZFHX3, LRP2, NCOA2 and HOXA1, as well as genes previously reported in adult patients, e.g. TET2, CDKN2A, STAT3 and TP53. However, for other reported mutations, VAV1-related abnormalities were absent and mutations of NRAS, GATA3 and JAK3 showed a low frequency in our cohort. Concerning the association of EBV infection, two novel fusion genes: STAG2-AFF2 and ITPR2-FSTL4, and deletion and alteration of CDKN2A/2B, LMO1 and HOXA1 were identified in EBV- PTCL, but not in EBV+ PTCL. Conversely, alterations of PCDHGA4, ADAR, CUL9 and TP53 were identified only in EBV+ PTCL. Our observations suggest a clear difference in the molecular mechanism of onset between paediatric and adult PTCL and a difference in the characteristics of genetic alterations between EBV- and EBV+ paediatric PTCL.
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Affiliation(s)
- Kentaro Ohki
- Department of Pediatric Hematology and Oncology Research, National Research Institute for Child Health and Development, Tokyo, Japan
| | - Nobutaka Kiyokawa
- Department of Pediatric Hematology and Oncology Research, National Research Institute for Child Health and Development, Tokyo, Japan
| | - Satoru Watanabe
- Department of Pediatric Hematology and Oncology Research, National Research Institute for Child Health and Development, Tokyo, Japan
| | - Hideto Iwafuchi
- Department of Pediatric Hematology and Oncology Research, National Research Institute for Child Health and Development, Tokyo, Japan.,Department of Pathology, Shizuoka Children's Hospital, Shizuoka, Japan
| | - Astuko Nakazawa
- Department of Clinical Research, Saitama Children's Medical Center, Saitama, Japan
| | - Keisuke Ishiwata
- Department of Maternal-Fetal Biology, National Research Institute for Child Health and Development, Tokyo, Japan
| | - Hiroko Ogata-Kawata
- Department of Maternal-Fetal Biology, National Research Institute for Child Health and Development, Tokyo, Japan
| | - Kazuhiko Nakabayashi
- Department of Maternal-Fetal Biology, National Research Institute for Child Health and Development, Tokyo, Japan
| | - Kohji Okamura
- Department of Systems BioMedicine, National Research Institute for Child Health and Development, Tokyo, Japan
| | - Fumiko Tanaka
- Department of Pediatrics, Saiseikai Yokohamashi Nanbu Hospital, Kanagawa, Japan
| | - Reiji Fukano
- Department of Pediatrics, Yamaguchi University Graduate School of Medicine, Yamaguchi, Japan
| | - Kenichiro Hata
- Department of Maternal-Fetal Biology, National Research Institute for Child Health and Development, Tokyo, Japan
| | - Tetsuya Mori
- Department of Pediatrics, St. Marianna University School of Medicine, Kanagawa, Japan
| | - Akiko Moriya Saito
- Clinical Research Center, National Hospital Organization Nagoya Medical Center, Nagoya, Japan
| | - Yasuhide Hayashi
- Institute of Physiology and Medicine, Jobu University, Takasaki, Japan
| | - Takashi Taga
- Department of Pediatrics, Shiga University of Medical Science, Shiga, Japan
| | - Masahiro Sekimizu
- Department of Pediatrics, National Hospital Organization Nagoya Medical Center, Nagoya, Japan
| | - Ryoji Kobayashi
- Department of Hematology/Oncology for Children and Adolescents, Sapporo Hokuyu Hospital, Hokkaido, Japan
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Madec AM, Perrier J, Panthu B, Dingreville F. Role of mitochondria-associated endoplasmic reticulum membrane (MAMs) interactions and calcium exchange in the development of type 2 diabetes. INTERNATIONAL REVIEW OF CELL AND MOLECULAR BIOLOGY 2021; 363:169-202. [PMID: 34392929 DOI: 10.1016/bs.ircmb.2021.06.001] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Glucotoxicity-induced β-cell dysfunction in type 2 diabetes is associated with alterations of mitochondria and the endoplasmic reticulum (ER). Mitochondria and ER form a network in cells that controls cell function and fate. Mitochondria of the pancreatic β cell play a central role in the secretion of insulin in response to glucose through their ability to produce ATP. Both organelles interact at contact sites, defined as mitochondria-associated membranes (MAMs), which were recently implicated in the regulation of glucose homeostasis. Here, we review MAM functions in the cell and we focus on the crosstalk between the ER and Mitochondria in the context of T2D, highlighting the pivotal role played by MAMs especially in β cells through inter-organelle calcium exchange and glucotoxicity-associated β cell dysfunction.
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Affiliation(s)
| | - Johan Perrier
- CarMeN Laboratory, INSERM U1060, INRA U1397, Lyon, France
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Inositol monophosphatase 1 (IMPA1) mutation in intellectual disability patients impairs neurogenesis but not gliogenesis. Mol Psychiatry 2021; 26:3558-3571. [PMID: 32839513 DOI: 10.1038/s41380-020-00862-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/23/2019] [Revised: 07/27/2020] [Accepted: 07/30/2020] [Indexed: 11/09/2022]
Abstract
A homozygous mutation in the inositol monophosphatase 1 (IMPA1) gene was recently identified in nine individuals with severe intellectual disability (ID) and disruptive behavior. These individuals belong to the same family from Northeastern Brazil, which has 28 consanguineous marriages and 59 genotyped family members. IMPA1 is responsible for the generation of free inositol from de novo biosynthesis and recycling from inositol polyphosphates and participates in the phosphatidylinositol signaling pathway. To understand the role of IMPA1 deficiency in ID, we generated induced pluripotent stem cells (iPSCs) from patients and neurotypical controls and differentiated these into hippocampal dentate gyrus-like neurons and astrocytes. IMPA1-deficient neuronal progenitor cells (NPCs) revealed substantial deficits in proliferation and neurogenic potential. At low passage NPCs (P1 to P3), we observed cell cycle arrest, apoptosis, progressive change to a glial morphology and reduction in neuronal differentiation. These observations were validated by rescuing the phenotype with myo-inositol supplemented media during differentiation of patient-derived iPSCs into neurons and by the reduction of neurogenic potential in control NPCs-expressing shIMPA1. Transcriptome analysis showed that NPCs and neurons derived from ID patients have extensive deregulation of gene expression affecting pathways necessary for neurogenesis and upregulation of gliogenic genes. IMPA1 deficiency did not affect cell cycle progression or survival in iPSCs and glial progenitor cells or astrocyte differentiation. Therefore, this study shows that the IMPA1 mutation specifically affects NPC survival and neuronal differentiation.
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Kerkhofs M, Bultynck G. Getting old without type 2 IP3 receptors. Cell Calcium 2021; 98:102437. [PMID: 34252746 DOI: 10.1016/j.ceca.2021.102437] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2021] [Revised: 06/17/2021] [Accepted: 06/18/2021] [Indexed: 10/21/2022]
Affiliation(s)
- Martijn Kerkhofs
- KU Leuven, Laboratory of Molecular and Cellular Signaling, Department of Cellular and Molecular Medicine, and Leuven Kanker Instituut, Campus Gasthuisberg O/N-1 Bus 802, Herestraat 49, 3000 Leuven, Belgium
| | - Geert Bultynck
- KU Leuven, Laboratory of Molecular and Cellular Signaling, Department of Cellular and Molecular Medicine, and Leuven Kanker Instituut, Campus Gasthuisberg O/N-1 Bus 802, Herestraat 49, 3000 Leuven, Belgium.
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63
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Regulation of longevity by depolarization-induced activation of PLC-β-IP 3R signaling in neurons. Proc Natl Acad Sci U S A 2021; 118:2004253118. [PMID: 33859040 PMCID: PMC8072327 DOI: 10.1073/pnas.2004253118] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
We demonstrate that depolarization of Drosophila glutamatergic neurons augmented inositol trisphosphate receptor (IP3R)-dependent release of endoplasmic reticulum (ER) Ca2+, which in turn potentiated mitochondrial Ca2+ uptake and ATP production. Perturbations that induced chronic depolarization, including the expression of neurodegeneration-related transgenes, led to the diversion of released ER Ca2+ into lysosomes and an attendant shortening of animal lifespan. Thus, genetic disruption of PLC-β–IP3R signaling or lysosomal Ca2+ uptake restored longevity in animals with chronically depolarized glutamatergic neurons. Our findings point to aberrant Ca2+ signaling between the ER and lysosomes as a mechanism by which hyperexcitable glutamatergic neurons shorten animal lifespan. Mitochondrial ATP production is a well-known regulator of neuronal excitability. The reciprocal influence of plasma-membrane potential on ATP production, however, remains poorly understood. Here, we describe a mechanism by which depolarized neurons elevate the somatic ATP/ADP ratio in Drosophila glutamatergic neurons. We show that depolarization increased phospholipase-Cβ (PLC-β) activity by promoting the association of the enzyme with its phosphoinositide substrate. Augmented PLC-β activity led to greater release of endoplasmic reticulum Ca2+ via the inositol trisphosphate receptor (IP3R), increased mitochondrial Ca2+ uptake, and promoted ATP synthesis. Perturbations that decoupled membrane potential from this mode of ATP synthesis led to untrammeled PLC-β–IP3R activation and a dramatic shortening of Drosophila lifespan. Upon investigating the underlying mechanisms, we found that increased sequestration of Ca2+ into endolysosomes was an intermediary in the regulation of lifespan by IP3Rs. Manipulations that either lowered PLC-β/IP3R abundance or attenuated endolysosomal Ca2+ overload restored animal longevity. Collectively, our findings demonstrate that depolarization-dependent regulation of PLC-β–IP3R signaling is required for modulation of the ATP/ADP ratio in healthy glutamatergic neurons, whereas hyperactivation of this axis in chronically depolarized glutamatergic neurons shortens animal lifespan by promoting endolysosomal Ca2+ overload.
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Bustos G, Ahumada-Castro U, Silva-Pavez E, Puebla A, Lovy A, Cesar Cardenas J. The ER-mitochondria Ca 2+ signaling in cancer progression: Fueling the monster. INTERNATIONAL REVIEW OF CELL AND MOLECULAR BIOLOGY 2021; 363:49-121. [PMID: 34392932 DOI: 10.1016/bs.ircmb.2021.03.006] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Cancer is a leading cause of death worldwide. All major tumor suppressors and oncogenes are now recognized to have fundamental connections with metabolic pathways. A hallmark feature of cancer cells is a reprogramming of their metabolism even when nutrients are available. Increasing evidence indicates that most cancer cells rely on mitochondrial metabolism to sustain their energetic and biosynthetic demands. Mitochondria are functionally and physically coupled to the endoplasmic reticulum (ER), the major calcium (Ca2+) storage organelle in mammalian cells, through special domains known as mitochondria-ER contact sites (MERCS). In this domain, the release of Ca2+ from the ER is mainly regulated by inositol 1,4,5-trisphosphate (IP3) receptors (IP3Rs), a family of Ca2+ release channels activated by the ligand IP3. IP3R mediated Ca2+ release is transferred to mitochondria through the mitochondrial Ca2+ uniporter (MCU). Once in the mitochondrial matrix, Ca2+ activates several proteins that stimulate mitochondrial performance. The role of IP3R and MCU in cancer, as well as the other proteins that enable the Ca2+ communication between these two organelles is just beginning to be understood. Here, we describe the function of the main players of the ER mitochondrial Ca2+ communication and discuss how this particular signal may contribute to the rise and development of cancer traits.
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Affiliation(s)
- Galdo Bustos
- Faculty of Sciences, Universidad Mayor, Center for Integrative Biology, Santiago, Chile; Geroscience Center for Brain Health and Metabolism, Santiago, Chile
| | - Ulises Ahumada-Castro
- Faculty of Sciences, Universidad Mayor, Center for Integrative Biology, Santiago, Chile; Geroscience Center for Brain Health and Metabolism, Santiago, Chile
| | - Eduardo Silva-Pavez
- Faculty of Sciences, Universidad Mayor, Center for Integrative Biology, Santiago, Chile; Geroscience Center for Brain Health and Metabolism, Santiago, Chile
| | - Andrea Puebla
- Faculty of Sciences, Universidad Mayor, Center for Integrative Biology, Santiago, Chile; Geroscience Center for Brain Health and Metabolism, Santiago, Chile
| | - Alenka Lovy
- Faculty of Sciences, Universidad Mayor, Center for Integrative Biology, Santiago, Chile; Geroscience Center for Brain Health and Metabolism, Santiago, Chile; Department of Neuroscience, Center for Neuroscience Research, Tufts School of Medicine, Boston, MA, United States.
| | - J Cesar Cardenas
- Faculty of Sciences, Universidad Mayor, Center for Integrative Biology, Santiago, Chile; Geroscience Center for Brain Health and Metabolism, Santiago, Chile; Buck Institute for Research on Aging, Novato, CA, United States; Department of Chemistry and Biochemistry, University of California, Santa Barbara, CA, United States.
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65
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Madreiter-Sokolowski CT, Gottschalk B, Sokolowski AA, Malli R, Graier WF. Dynamic Control of Mitochondrial Ca 2+ Levels as a Survival Strategy of Cancer Cells. Front Cell Dev Biol 2021; 9:614668. [PMID: 33614647 PMCID: PMC7889948 DOI: 10.3389/fcell.2021.614668] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2020] [Accepted: 01/14/2021] [Indexed: 12/14/2022] Open
Abstract
Cancer cells have increased energy requirements due to their enhanced proliferation activity. This energy demand is, among others, met by mitochondrial ATP production. Since the second messenger Ca2+ maintains the activity of Krebs cycle dehydrogenases that fuel mitochondrial respiration, proper mitochondrial Ca2+ uptake is crucial for a cancer cell survival. However, a mitochondrial Ca2+ overload induces mitochondrial dysfunction and, ultimately, apoptotic cell death. Because of the vital importance of balancing mitochondrial Ca2+ levels, a highly sophisticated machinery of multiple proteins manages mitochondrial Ca2+ homeostasis. Notably, mitochondria sequester Ca2+ preferentially at the interaction sites between mitochondria and the endoplasmic reticulum (ER), the largest internal Ca2+ store, thus, pointing to mitochondrial-associated membranes (MAMs) as crucial hubs between cancer prosperity and cell death. To investigate potential regulatory mechanisms of the mitochondrial Ca2+ uptake routes in cancer cells, we modulated mitochondria–ER tethering and the expression of UCP2 and analyzed mitochondrial Ca2+ homeostasis under the various conditions. Hence, the expression of contributors to mitochondrial Ca2+ regulation machinery was quantified by qRT-PCR. We further used data from The Cancer Genome Atlas (TCGA) to correlate these in vitro findings with expression patterns in human breast invasive cancer and human prostate adenocarcinoma. ER-mitochondrial linkage was found to support a mitochondrial Ca2+ uptake route dependent on uncoupling protein 2 (UCP2) in cancer cells. Notably, combined overexpression of Rab32, a protein kinase A-anchoring protein fostering the ER-mitochondrial tethering, and UCP2 caused a significant drop in cancer cells' viability. Artificially enhanced ER-mitochondrial tethering further initiated a sudden decline in the expression of UCP2, probably as an adaptive response to avoid mitochondrial Ca2+ overload. Besides, TCGA analysis revealed an inverse expression correlation between proteins stabilizing mitochondrial-ER linkage and UCP2 in tissues of human breast invasive cancer and prostate adenocarcinoma. Based on these results, we assume that cancer cells successfully manage mitochondrial Ca2+ uptake to stimulate Ca2+-dependent mitochondrial metabolism while avoiding Ca2+-triggered cell death by fine-tuning ER-mitochondrial tethering and the expression of UCP2 in an inversed manner. Disruption of this equilibrium yields cancer cell death and may serve as a treatment strategy to specifically kill cancer cells.
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Affiliation(s)
- Corina T Madreiter-Sokolowski
- Molecular Biology and Biochemistry, Gottfried Schatz Research Center, Medical University of Graz, Graz, Austria.,Department of Health Sciences and Technology, ETH Zurich, Schwerzenbach, Switzerland
| | - Benjamin Gottschalk
- Molecular Biology and Biochemistry, Gottfried Schatz Research Center, Medical University of Graz, Graz, Austria
| | - Armin A Sokolowski
- Department of Dental Medicine and Oral Health, Medical University of Graz, Graz, Austria
| | - Roland Malli
- Molecular Biology and Biochemistry, Gottfried Schatz Research Center, Medical University of Graz, Graz, Austria.,BioTechMed Graz, Graz, Austria
| | - Wolfgang F Graier
- Molecular Biology and Biochemistry, Gottfried Schatz Research Center, Medical University of Graz, Graz, Austria.,BioTechMed Graz, Graz, Austria
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Hashemi S, Hosseini SM, Ghalyanchilangeroudi A, Sheikhi N. Transcriptome based analysis of apoptosis genes in chickens co-infected with avian infectious bronchitis virus and pathogenic Escherichia coli. IRANIAN JOURNAL OF MICROBIOLOGY 2021; 13:17-22. [PMID: 33889358 PMCID: PMC8043830 DOI: 10.18502/ijm.v13i1.5487] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
BACKGROUND AND OBJECTIVES Infection with Infectious bronchitis virus (IBV) and avian pathogenic Escherichia coli (APEC) is an important respiratory infection worldwide. Apoptosis is a physiological process of cell death that occurs as part of normal development and responds to a variety of physiological and pathophysiological stimuli. The identification of molecular mechanisms of action or inaction of key apoptotic proteins is important. This study aimed to investigate apoptotic related genes in the trachea tissue of infected (IBV variant 2, and APEC serotype O78: K80) SPF chickens group compared to the control group. MATERIALS AND METHODS Forty SPF chickens was divided into 2 groups. Differential transcriptional profile in the infected SPF chickens trachea tissue was compared to those of control group in the early stage of infection by Illumina RNA-seq technique paired-end and strand-specific sequencing. Differentially expressed genes (DEGs) of transcriptome profiling of the trachea from the infected group were identified. Gene ontology category, KEGG pathway, and STRING analysis were analyzed to identify relationships among differentially expressed genes. RESULTS Twenty-eight apoptotic genes were identified. They consisted of six pathways related to cell death: the extrinsic pathway, intrinsic pathway, endoplasmic reticulum stress pathway, MAPK signaling pathway, and cell death by NFkB and activates mTOR pathway and some regulator and apoptosis inhibitors. CONCLUSION All of the apoptotic genes in our study were up-regulated. Among these genes, the more fold change value was for TRADD and BCL2A1 genes, and the less fold change value was for MAP3K14, NFKB1, PIK3CB, and ITPR2 genes.
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Affiliation(s)
- Shabnam Hashemi
- Department of Microbiology and Microbial Biotechnology, Faculty of Life Sciences and Biotechnology, Shahid Beheshti University, Tehran, Iran
| | - Seyed Masoud Hosseini
- Department of Microbiology and Microbial Biotechnology, Faculty of Life Sciences and Biotechnology, Shahid Beheshti University, Tehran, Iran
| | - Arash Ghalyanchilangeroudi
- Department of Microbiology and Immunology, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran
| | - Nariman Sheikhi
- Department of Clinical Sciences, College of Veterinary, Tehran Sciences and Research Branch, Islamic Azad University, Tehran, Iran
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Ziegler DV, Vindrieux D, Goehrig D, Jaber S, Collin G, Griveau A, Wiel C, Bendridi N, Djebali S, Farfariello V, Prevarskaya N, Payen L, Marvel J, Aubert S, Flaman JM, Rieusset J, Martin N, Bernard D. Calcium channel ITPR2 and mitochondria-ER contacts promote cellular senescence and aging. Nat Commun 2021; 12:720. [PMID: 33526781 PMCID: PMC7851384 DOI: 10.1038/s41467-021-20993-z] [Citation(s) in RCA: 73] [Impact Index Per Article: 24.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2019] [Accepted: 12/15/2020] [Indexed: 12/29/2022] Open
Abstract
Cellular senescence is induced by stresses and results in a stable proliferation arrest accompanied by a pro-inflammatory secretome. Senescent cells accumulate during aging, promoting various age-related pathologies and limiting lifespan. The endoplasmic reticulum (ER) inositol 1,4,5-trisphosphate receptor, type 2 (ITPR2) calcium-release channel and calcium fluxes from the ER to the mitochondria are drivers of senescence in human cells. Here we show that Itpr2 knockout (KO) mice display improved aging such as increased lifespan, a better response to metabolic stress, less immunosenescence, as well as less liver steatosis and fibrosis. Cellular senescence, which is known to promote these alterations, is decreased in Itpr2 KO mice and Itpr2 KO embryo-derived cells. Interestingly, ablation of ITPR2 in vivo and in vitro decreases the number of contacts between the mitochondria and the ER and their forced contacts induce premature senescence. These findings shed light on the role of contacts and facilitated exchanges between the ER and the mitochondria through ITPR2 in regulating senescence and aging.
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Affiliation(s)
- Dorian V Ziegler
- Centre de Recherche en Cancérologie de Lyon, Inserm U1052, CNRS UMR 5286, Centre Léon Bérard, Université de Lyon, Lyon, France
| | - David Vindrieux
- Centre de Recherche en Cancérologie de Lyon, Inserm U1052, CNRS UMR 5286, Centre Léon Bérard, Université de Lyon, Lyon, France
| | - Delphine Goehrig
- Centre de Recherche en Cancérologie de Lyon, Inserm U1052, CNRS UMR 5286, Centre Léon Bérard, Université de Lyon, Lyon, France
| | - Sara Jaber
- Centre de Recherche en Cancérologie de Lyon, Inserm U1052, CNRS UMR 5286, Centre Léon Bérard, Université de Lyon, Lyon, France
| | - Guillaume Collin
- Centre de Recherche en Cancérologie de Lyon, Inserm U1052, CNRS UMR 5286, Centre Léon Bérard, Université de Lyon, Lyon, France
| | - Audrey Griveau
- Centre de Recherche en Cancérologie de Lyon, Inserm U1052, CNRS UMR 5286, Centre Léon Bérard, Université de Lyon, Lyon, France
| | - Clotilde Wiel
- Centre de Recherche en Cancérologie de Lyon, Inserm U1052, CNRS UMR 5286, Centre Léon Bérard, Université de Lyon, Lyon, France
| | - Nadia Bendridi
- CarMeN Laboratory, INSERM UMR-1060, Lyon 1 University, INRA U1397, F-69921, Oullins, France
| | - Sophia Djebali
- Centre International de Recherche en Infectiologie, Inserm U1111, CNRS UMR5308, École Normale Supérieure de Lyon, Université de Lyon, Université Claude Bernard Lyon 1, Lyon, France
| | - Valerio Farfariello
- INSERM U1003, Laboratoire d'Excellence, Canaux Ioniques d'Intérêt Thérapeutique, Équipe Labellisée Par la Ligue Nationale Contre le Cancer, SIRIC ONCOLille, Université des Sciences et Technologies de Lille, Villeneuve d'Ascq, France
| | - Natacha Prevarskaya
- INSERM U1003, Laboratoire d'Excellence, Canaux Ioniques d'Intérêt Thérapeutique, Équipe Labellisée Par la Ligue Nationale Contre le Cancer, SIRIC ONCOLille, Université des Sciences et Technologies de Lille, Villeneuve d'Ascq, France
| | - Léa Payen
- Centre de Recherche en Cancérologie de Lyon, Inserm U1052, CNRS UMR 5286, Centre Léon Bérard, Université de Lyon, Lyon, France
| | - Jacqueline Marvel
- Centre International de Recherche en Infectiologie, Inserm U1111, CNRS UMR5308, École Normale Supérieure de Lyon, Université de Lyon, Université Claude Bernard Lyon 1, Lyon, France
| | - Sébastien Aubert
- Institut de Pathologie, Centre de Biologie Pathologie, CHRU de Lille, Faculté de Médecine, Université de Lille, Lille Cedex, France
| | - Jean-Michel Flaman
- Centre de Recherche en Cancérologie de Lyon, Inserm U1052, CNRS UMR 5286, Centre Léon Bérard, Université de Lyon, Lyon, France
| | - Jennifer Rieusset
- CarMeN Laboratory, INSERM UMR-1060, Lyon 1 University, INRA U1397, F-69921, Oullins, France
| | - Nadine Martin
- Centre de Recherche en Cancérologie de Lyon, Inserm U1052, CNRS UMR 5286, Centre Léon Bérard, Université de Lyon, Lyon, France
| | - David Bernard
- Centre de Recherche en Cancérologie de Lyon, Inserm U1052, CNRS UMR 5286, Centre Léon Bérard, Université de Lyon, Lyon, France.
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Tang B, Kang P, Zhu L, Xuan L, Wang H, Zhang H, Wang X, Xu J. Simvastatin protects heart function and myocardial energy metabolism in pulmonary arterial hypertension induced right heart failure. J Bioenerg Biomembr 2021; 53:1-12. [PMID: 33394312 DOI: 10.1007/s10863-020-09867-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2020] [Accepted: 12/13/2020] [Indexed: 01/10/2023]
Abstract
The favorable effect of simvastatin on pulmonary arterial hypertension (PAH) has been well defined despite the unknown etiology of PAH. However, whether simvastatin exerts similar effects on PAH induced right heart failure (RHF) remains to be determined. We aimed to investigate the function of simvastatin in PAH induced RHF. Rats in the RHF and simvastatin groups were injected intraperitoneally with monocrotaline to establish PAH-induced RHF model. The expression of miR-21-5p in rat myocardium was detected and miR-21-5p expression was inhibited using antagomiRNA. The effect of simvastatin on hemodynamic indexes, ventricular remodeling of myocardial tissues, myocardial energy metabolism, and calmodulin was explored. Dual-luciferase reporter system was used to verify the binding relationship between miR-21-5p and Smad7. In addition, the regulatory role of simvastatin in Smad7, TGFBR1 and Smad2/3 was investigated. Simvastatin treatment improved hemodynamic condition, myocardial tissue remodeling, and myocardial energy metabolism, as well as increasing calmodulin expression in rats with PAH-induced RHF. After simvastatin treatment, the expression of miR-21-5p in myocardium of rats was decreased significantly. miR-21-5p targeted Smad7 and inhibited the expression of Smad7. Compared with RHF rats, the expressions of TGFBR1 and Smad2/3 in myocardium of simvastatin-treated rats were decreased significantly. Collectively, we provided evidence that simvastatin can protect ATPase activity and maintain myocardial ATP energy reserve through the miR-21-5p/Smad/TGF-β axis, thus ameliorating PAH induced RHF.
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Affiliation(s)
- Bi Tang
- Department of Cardiovascular Medicine, The First Affiliated Hospital of Bengbu Medical College, Bengbu, 233004, Anhui, People's Republic of China
| | - Pinfang Kang
- Department of Cardiovascular Medicine, The First Affiliated Hospital of Bengbu Medical College, Bengbu, 233004, Anhui, People's Republic of China
| | - Lei Zhu
- Department of Cardiovascular Medicine, The First Affiliated Hospital of Bengbu Medical College, Bengbu, 233004, Anhui, People's Republic of China
| | - Ling Xuan
- Department of Cardiovascular Medicine, The First Affiliated Hospital of Bengbu Medical College, Bengbu, 233004, Anhui, People's Republic of China
| | - Hongju Wang
- Department of Cardiovascular Medicine, The First Affiliated Hospital of Bengbu Medical College, Bengbu, 233004, Anhui, People's Republic of China
| | - Heng Zhang
- Department of Cardiovascular Medicine, The First Affiliated Hospital of Bengbu Medical College, Bengbu, 233004, Anhui, People's Republic of China
| | - Xiaojing Wang
- Clinical and Basic Provincial Laboratory of Respiratory System Diseases of Anhui Province, The First Affiliated Hospital of Bengbu Medical College, Bengbu, 233004, Anhui, People's Republic of China
| | - Jiali Xu
- Department of Paediatrics, The First Affiliated Hospital of Bengbu Medical College, No. 287, Changhuai Road, Bengbu, 233004, Anhui, People's Republic of China.
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Yeh CH, Chou YJ, Kao CH, Tsai TF. Mitochondria and Calcium Homeostasis: Cisd2 as a Big Player in Cardiac Ageing. Int J Mol Sci 2020; 21:ijms21239238. [PMID: 33287440 PMCID: PMC7731030 DOI: 10.3390/ijms21239238] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2020] [Revised: 11/28/2020] [Accepted: 12/01/2020] [Indexed: 12/27/2022] Open
Abstract
The ageing of human populations has become a problem throughout the world. In this context, increasing the healthy lifespan of individuals has become an important target for medical research and governments. Cardiac disease remains the leading cause of morbidity and mortality in ageing populations and results in significant increases in healthcare costs. Although clinical and basic research have revealed many novel insights into the pathways that drive heart failure, the molecular mechanisms underlying cardiac ageing and age-related cardiac dysfunction are still not fully understood. In this review we summarize the most updated publications and discuss the central components that drive cardiac ageing. The following characters of mitochondria-related dysfunction have been identified during cardiac ageing: (a) disruption of the integrity of mitochondria-associated membrane (MAM) contact sites; (b) dysregulation of energy metabolism and dynamic flexibility; (c) dyshomeostasis of Ca2+ control; (d) disturbance to mitochondria–lysosomal crosstalk. Furthermore, Cisd2, a pro-longevity gene, is known to be mainly located in the endoplasmic reticulum (ER), mitochondria, and MAM. The expression level of Cisd2 decreases during cardiac ageing. Remarkably, a high level of Cisd2 delays cardiac ageing and ameliorates age-related cardiac dysfunction; this occurs by maintaining correct regulation of energy metabolism and allowing dynamic control of metabolic flexibility. Together, our previous studies and new evidence provided here highlight Cisd2 as a novel target for developing therapies to promote healthy ageing
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Affiliation(s)
- Chi-Hsiao Yeh
- Department of Thoracic and Cardiovascular Surgery, Chang Gung Memorial Hospital, Linko 333, Taiwan;
- College of Medicine, Chang Gung University, Taoyuan 333, Taiwan
- Community Medicine Research Center, Chang Gung Memorial Hospital, Keelung Branch, Keelung 204, Taiwan
| | - Yi-Ju Chou
- Institute of Molecular and Genomic Medicine, National Health Research Institutes, Zhunan 350, Taiwan;
| | - Cheng-Heng Kao
- Center of General Education, Chang Gung University, Taoyuan 333, Taiwan
- Correspondence: (C.-H.K.); (T.-F.T.); Tel.: +886-3-211-8800 (ext. 5149) (C.-H.K.); +886-2-2826-7293 (T.-F.T.); Fax: +886-3-211-8700 (C.-H.K.); +886-2-2828-0872 (T.-F.T.)
| | - Ting-Fen Tsai
- Institute of Molecular and Genomic Medicine, National Health Research Institutes, Zhunan 350, Taiwan;
- Department of Life Sciences and Institute of Genome Sciences, National Yang-Ming University, Taipei 112, Taiwan
- Institute of Biotechnology and Pharmaceutical Research, National Health Research Institutes, Zhunan 350, Taiwan
- Aging and Health Research Center, National Yang-Ming University, Taipei 112, Taiwan
- Correspondence: (C.-H.K.); (T.-F.T.); Tel.: +886-3-211-8800 (ext. 5149) (C.-H.K.); +886-2-2826-7293 (T.-F.T.); Fax: +886-3-211-8700 (C.-H.K.); +886-2-2828-0872 (T.-F.T.)
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70
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Gil-Hernández A, Silva-Palacios A. Relevance of endoplasmic reticulum and mitochondria interactions in age-associated diseases. Ageing Res Rev 2020; 64:101193. [PMID: 33069818 DOI: 10.1016/j.arr.2020.101193] [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: 04/29/2020] [Revised: 09/29/2020] [Accepted: 10/05/2020] [Indexed: 02/06/2023]
Abstract
Although the elixir of youth remains in the darkness, medical and scientific advances have succeeded in increasing human longevity; however, the predisposition to disease and its high economic cost are raising. Different strategies (e.g., antioxidants) and signaling pathways (e.g., Nrf2) have been identified to help regulate disease progression, nevertheless, there are still missing links that we need to understand. Contact sites called mitochondria-associated membranes (MAM) allow bi-directional communication between organelles as part of the essential functions in the cell to maintain its homeostasis. Different groups have deeply studied the role of MAM in aging; however, it's necessary to analyze their involvement in the progression of age-related diseases. In this review, we highlight the role of contact sites in these conditions, as well as the morphological and functional changes of mitochondria and ER in aging. We emphasize the intimate relationship between both organelles as a reflection of the biological processes that take place in the cell to try to regulate the deterioration characteristic of the aging process; proposing MAM as a potential target to help limit the disease progression with age.
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71
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Liang Y, Liang N, Yin L, Xiao F. Cellular and molecular mechanisms of xenobiotics-induced premature senescence. Toxicol Res (Camb) 2020; 9:669-675. [PMID: 33178427 DOI: 10.1093/toxres/tfaa073] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Revised: 08/12/2020] [Accepted: 08/24/2020] [Indexed: 01/10/2023] Open
Abstract
Premature senescence, which share common features with replicative senescence such as morphology, senescence-associated galactosidase (SA-β-gal) activity, cell cycle regulation, and gene expression, can be triggered by the exposure of various xenobiotics including environmental pollutant, peroxides, and anticancer drugs. The exact mechanisms underlying the senescence onset and stabilization are still obscure. In this review, we summarized the possible cellular and molecular mechanisms of xenobiotics-induced premature senescence, including induction of reactive oxygen species (ROS), tumor suppressors, and DNA damage; disequilibrium of calcium homeostasis; activation of transforming growth factor-β (TGF-β); and blockage of aryl hydrocarbon receptor (AHR) pathway. The deeper understanding of the molecular mechanisms underlying xenobiotics-induced senescence may shed light on new therapeutic strategies for age-related pathologies and extend healthy lifespan.
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Affiliation(s)
- Yuehui Liang
- Department of Health Toxicology, Xiangya School of Public Health, Central South University, No. 238 Shangmayuanling Road, Kaifu District, Changsha, Hunan 410078, PR China
| | - Ningjuan Liang
- Department of Health Toxicology, Xiangya School of Public Health, Central South University, No. 238 Shangmayuanling Road, Kaifu District, Changsha, Hunan 410078, PR China
| | - Lirong Yin
- Department of Health Toxicology, Xiangya School of Public Health, Central South University, No. 238 Shangmayuanling Road, Kaifu District, Changsha, Hunan 410078, PR China
| | - Fang Xiao
- Department of Health Toxicology, Xiangya School of Public Health, Central South University, No. 238 Shangmayuanling Road, Kaifu District, Changsha, Hunan 410078, PR China
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72
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Wang F, Wang X, Li N, Liu J, Zhang L, Hui L, Feng A, Wang Z, Wang Y. Prolonged unfolded protein reaction is involved in the induction of chronic myeloid leukemia cell death upon oprozomib treatment. Cancer Sci 2020; 112:133-143. [PMID: 33067904 PMCID: PMC7780017 DOI: 10.1111/cas.14696] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2020] [Revised: 10/09/2020] [Accepted: 10/13/2020] [Indexed: 01/19/2023] Open
Abstract
To select the most efficient chemical to induce apoptosis in leukemia cells, a multidrug screen was applied on bone marrow mononuclear cells from chronic myeloid leukemia (CML) patients. Oprozomib (Cpd 21) was chosen for the subsequent experiments. The isobaric tags for relative and absolute quantitation (iTRAQ) was then performed to identify the responsible pathway relative to apoptosis and the results showed that endoplasmic reticulum (ER) chaperones were upregulated. Apoptosis was attributed to a joint effect of calcium leakage andPERK and IRE1α phosphorylation. The PERK branch was responsible for the first wave of cell death that occurred within 24 hours. The later wave of apoptosis was mediated by IRE1α, which transmit apoptotic signals through the ASK-JNK-BIM axis. Release of Ca2+ from ER into cytosol resulted in activation of calpain, which, in turn, cleaved caspase-12. Our data also explained the selective killing effects of oprozomib on CML cells, which relied on proteasome activity. The present study demonstrated that prolonged inhibition of proteasome to trigger unfolded protein response could be an alternative strategy for treating CML in light of tyrosine kinase inhibitors resistance.
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Affiliation(s)
- Fang Wang
- Department of Laboratory Medicine, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Xin Wang
- Biobank, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Na Li
- Department of Laboratory Medicine, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Juan Liu
- Department of Hematology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Lin Zhang
- Department of Laboratory Medicine, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Lingyun Hui
- Department of Laboratory Medicine, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Ai Feng
- Department of Laboratory Medicine, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Zhonglin Wang
- Department of Laboratory Medicine, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Yawen Wang
- Department of Laboratory Medicine, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China.,Biobank, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
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Chandrasekaran A, Lee MY, Zhang X, Hasan S, Desta H, Tenenbaum SA, Melendez JA. Redox and mTOR-dependent regulation of plasma lamellar calcium influx controls the senescence-associated secretory phenotype. Exp Biol Med (Maywood) 2020; 245:1560-1570. [PMID: 32686475 PMCID: PMC7787549 DOI: 10.1177/1535370220943122] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Accepted: 06/27/2020] [Indexed: 12/18/2022] Open
Abstract
IMPACT STATEMENT Through its ability to evoke responses from cells in a paracrine fashion, the senescence-associated secretory phenotype (SASP) has been linked to numerous age-associated disease pathologies including tumor invasion, cardiovascular dysfunction, neuroinflammation, osteoarthritis, and renal disease. Strategies which limit the amplitude and duration of SASP serve to delay age-related degenerative decline. Here we demonstrate that the SASP regulation is linked to shifts in intracellular Ca2+ homeostasis and strategies which rescue redox-dependent calcium entry including enzymatic H2O2 scavenging, TRP modulation, or mTOR inhibition block SASP and TRPC6 gene expression. As Ca2+ is indispensable for secretion from both secretory and non-secretory cells, it is exciting to speculate that the expression of plasma lamellar TRP channels critical for the maintenance of intracellular Ca2+ homeostasis may be coordinately regulated with the SASP.
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Affiliation(s)
- Akshaya Chandrasekaran
- SUNY Polytechnic Institute, Colleges of Nanoscale Science and Engineering, Albany, NY 12203, USA
| | - May Y Lee
- SUNY Polytechnic Institute, Colleges of Nanoscale Science and Engineering, Albany, NY 12203, USA
| | - Xuexin Zhang
- College of Medicine, Penn State University, Hershey, PA 17033, USA
| | - Shaheen Hasan
- SUNY Polytechnic Institute, Colleges of Nanoscale Science and Engineering, Albany, NY 12203, USA
| | - Habben Desta
- SUNY Polytechnic Institute, Colleges of Nanoscale Science and Engineering, Albany, NY 12203, USA
| | - Scott A Tenenbaum
- SUNY Polytechnic Institute, Colleges of Nanoscale Science and Engineering, Albany, NY 12203, USA
| | - J Andrés Melendez
- SUNY Polytechnic Institute, Colleges of Nanoscale Science and Engineering, Albany, NY 12203, USA
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74
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Sepulveda-Villegas M, Rojo R, Garza-Hernandez D, de la Rosa-Garza M, Treviño V. A systematic review of genes affecting mitochondrial processes in cancer. Biochim Biophys Acta Mol Basis Dis 2020; 1866:165846. [PMID: 32473387 DOI: 10.1016/j.bbadis.2020.165846] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2020] [Revised: 05/01/2020] [Accepted: 05/21/2020] [Indexed: 02/07/2023]
Abstract
Malignant conversion of cancer cells requires efficient mitochondria reprogramming orchestrated by hundreds of genes. The transformation includes increased energy demand, biosynthesis of precursors, and reactive oxygen species needed to accelerate cell growth, proliferation, and survival. Reprogramming involves complex gene alterations that have not been methodically curated. Therefore, we systematically analyzed the literature of cancer-related genes in mitochondria. Through the analysis of >2500 PubMed abstracts and >1600 human genes, we identified 228 genes showing clear roles in cancer. Each gene was classified according to their homeostatic function, together with the pathological transitions that contribute to specific cancer hallmarks. The potential clinical relevance of these hallmarks and genes is discussed by representative examples and validated by detecting differences in gene expression levels across 16 different types of cancer. A compendium, including the gene functions and alterations underpinning cancer progression, can be explored at http://bioinformatica.mty.itesm.mx/MitoCancer.
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Affiliation(s)
- Maricruz Sepulveda-Villegas
- Tecnologico de Monterrey, Escuela de Medicina, Cátedra de Bioinformática, Av. Morones Prieto No. 3000, Colonia Los Doctores, Monterrey, Nuevo León 64710, Mexico
| | - Rocio Rojo
- Tecnologico de Monterrey, Escuela de Medicina, Cátedra de Bioinformática, Av. Morones Prieto No. 3000, Colonia Los Doctores, Monterrey, Nuevo León 64710, Mexico
| | - Debora Garza-Hernandez
- Tecnologico de Monterrey, Escuela de Medicina, Cátedra de Bioinformática, Av. Morones Prieto No. 3000, Colonia Los Doctores, Monterrey, Nuevo León 64710, Mexico
| | - Mauricio de la Rosa-Garza
- Tecnologico de Monterrey, Escuela de Medicina, Cátedra de Bioinformática, Av. Morones Prieto No. 3000, Colonia Los Doctores, Monterrey, Nuevo León 64710, Mexico
| | - Victor Treviño
- Tecnologico de Monterrey, Escuela de Medicina, Cátedra de Bioinformática, Av. Morones Prieto No. 3000, Colonia Los Doctores, Monterrey, Nuevo León 64710, Mexico.
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75
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Madreiter-Sokolowski CT, Thomas C, Ristow M. Interrelation between ROS and Ca 2+ in aging and age-related diseases. Redox Biol 2020; 36:101678. [PMID: 32810740 PMCID: PMC7451758 DOI: 10.1016/j.redox.2020.101678] [Citation(s) in RCA: 157] [Impact Index Per Article: 39.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2020] [Revised: 07/26/2020] [Accepted: 08/05/2020] [Indexed: 02/07/2023] Open
Abstract
Calcium (Ca2+) and reactive oxygen species (ROS) are versatile signaling molecules coordinating physiological and pathophysiological processes. While channels and pumps shuttle Ca2+ ions between extracellular space, cytosol and cellular compartments, short-lived and highly reactive ROS are constantly generated by various production sites within the cell. Ca2+ controls membrane potential, modulates mitochondrial adenosine triphosphate (ATP) production and affects proteins like calcineurin (CaN) or calmodulin (CaM), which, in turn, have a wide area of action. Overwhelming Ca2+ levels within mitochondria efficiently induce and trigger cell death. In contrast, ROS comprise a diverse group of relatively unstable molecules with an odd number of electrons that abstract electrons from other molecules to gain stability. Depending on the type and produced amount, ROS act either as signaling molecules by affecting target proteins or as harmful oxidative stressors by damaging cellular components. Due to their wide range of actions, it is little wonder that Ca2+ and ROS signaling pathways overlap and impact one another. Growing evidence suggests a crucial implication of this mutual interplay on the development and enhancement of age-related disorders, including cardiovascular and neurodegenerative diseases as well as cancer.
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Affiliation(s)
- Corina T Madreiter-Sokolowski
- Energy Metabolism Laboratory, Institute of Translational Medicine, Department of Health Sciences and Technology, Swiss Federal Institute of Technology (ETH), Zurich, Switzerland; Holder of an Erwin Schroedinger Abroad Fellowship, Austrian Science Fund (FWF), Austria.
| | - Carolin Thomas
- Energy Metabolism Laboratory, Institute of Translational Medicine, Department of Health Sciences and Technology, Swiss Federal Institute of Technology (ETH), Zurich, Switzerland
| | - Michael Ristow
- Energy Metabolism Laboratory, Institute of Translational Medicine, Department of Health Sciences and Technology, Swiss Federal Institute of Technology (ETH), Zurich, Switzerland
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76
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Kim SG, Sung JY, Kim JR, Choi HC. Nifedipine-induced AMPK activation alleviates senescence by increasing autophagy and suppressing of Ca2+ levels in vascular smooth muscle cells. Mech Ageing Dev 2020; 190:111314. [DOI: 10.1016/j.mad.2020.111314] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Revised: 06/29/2020] [Accepted: 07/10/2020] [Indexed: 12/25/2022]
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77
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Weiss AKH, Albertini E, Holzknecht M, Cappuccio E, Dorigatti I, Krahbichler A, Damisch E, Gstach H, Jansen-Dürr P. Regulation of cellular senescence by eukaryotic members of the FAH superfamily - A role in calcium homeostasis? Mech Ageing Dev 2020; 190:111284. [PMID: 32574647 PMCID: PMC7116474 DOI: 10.1016/j.mad.2020.111284] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Revised: 05/29/2020] [Accepted: 06/04/2020] [Indexed: 01/04/2023]
Abstract
Fumarylacetoacetate hydrolase (FAH) superfamily members are commonly expressed in the prokaryotic kingdom, where they take part in the committing steps of degradation pathways of complex carbon sources. Besides FAH itself, the only described FAH superfamily members in the eukaryotic kingdom are fumarylacetoacetate hydrolase domain containing proteins (FAHD) 1 and 2, that have been a focus of recent work in aging research. Here, we provide a review of current knowledge on FAHD proteins. Of those, FAHD1 has recently been described as a regulator of mitochondrial function and senescence, in the context of mitochondrial dysfunction associated senescence (MiDAS). This work further describes data based on bioinformatics analysis, 3D structure comparison and sequence alignment, that suggests a putative role of FAHD proteins as calcium binding proteins.
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Affiliation(s)
- Alexander K H Weiss
- University of Innsbruck, Research Institute for Biomedical Aging Research, Rennweg 10, A-6020, Innsbruck, Austria; University of Innsbruck, Center for Molecular Biosciences Innsbruck (CMBI), Austria.
| | - Eva Albertini
- University of Innsbruck, Research Institute for Biomedical Aging Research, Rennweg 10, A-6020, Innsbruck, Austria; University of Innsbruck, Center for Molecular Biosciences Innsbruck (CMBI), Austria
| | - Max Holzknecht
- University of Innsbruck, Research Institute for Biomedical Aging Research, Rennweg 10, A-6020, Innsbruck, Austria; University of Innsbruck, Center for Molecular Biosciences Innsbruck (CMBI), Austria
| | - Elia Cappuccio
- University of Innsbruck, Research Institute for Biomedical Aging Research, Rennweg 10, A-6020, Innsbruck, Austria; University of Innsbruck, Center for Molecular Biosciences Innsbruck (CMBI), Austria
| | - Ilaria Dorigatti
- University of Innsbruck, Research Institute for Biomedical Aging Research, Rennweg 10, A-6020, Innsbruck, Austria; University of Innsbruck, Center for Molecular Biosciences Innsbruck (CMBI), Austria
| | - Anna Krahbichler
- University of Innsbruck, Research Institute for Biomedical Aging Research, Rennweg 10, A-6020, Innsbruck, Austria; University of Innsbruck, Center for Molecular Biosciences Innsbruck (CMBI), Austria
| | - Elisabeth Damisch
- University of Innsbruck, Research Institute for Biomedical Aging Research, Rennweg 10, A-6020, Innsbruck, Austria; University of Innsbruck, Center for Molecular Biosciences Innsbruck (CMBI), Austria
| | - Hubert Gstach
- University of Vienna, UZ2 E349, Department of Pharmaceutical Chemistry, Faculty of Life Sciences, Althanstrasse 14, 1090, Vienna, Austria
| | - Pidder Jansen-Dürr
- University of Innsbruck, Research Institute for Biomedical Aging Research, Rennweg 10, A-6020, Innsbruck, Austria; University of Innsbruck, Center for Molecular Biosciences Innsbruck (CMBI), Austria
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78
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Altered Organelle Calcium Transport in Ovarian Physiology and Cancer. Cancers (Basel) 2020; 12:cancers12082232. [PMID: 32785177 PMCID: PMC7464720 DOI: 10.3390/cancers12082232] [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: 07/05/2020] [Revised: 07/31/2020] [Accepted: 08/06/2020] [Indexed: 12/14/2022] Open
Abstract
Calcium levels have a huge impact on the physiology of the female reproductive system, in particular, of the ovaries. Cytosolic calcium levels are influenced by regulatory proteins (i.e., ion channels and pumps) localized in the plasmalemma and/or in the endomembranes of membrane-bound organelles. Imbalances between plasma membrane and organelle-based mechanisms for calcium regulation in different ovarian cell subtypes are contributing to ovarian pathologies, including ovarian cancer. In this review, we focused our attention on altered calcium transport and its role as a contributor to tumor progression in ovarian cancer. The most important proteins described as contributing to ovarian cancer progression are inositol trisphosphate receptors, ryanodine receptors, transient receptor potential channels, calcium ATPases, hormone receptors, G-protein-coupled receptors, and/or mitochondrial calcium uniporters. The involvement of mitochondrial and/or endoplasmic reticulum calcium imbalance in the development of resistance to chemotherapeutic drugs in ovarian cancer is also discussed, since Ca2+ channels and/or pumps are nowadays regarded as potential therapeutic targets and are even correlated with prognosis.
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79
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Ma X, Liu W. Calcium signaling in brain microvascular endothelial cells and its roles in the function of the blood-brain barrier. Neuroreport 2020; 30:1271-1277. [PMID: 31688421 DOI: 10.1097/wnr.0000000000001357] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
The blood-brain barrier (BBB) plays critical roles in maintaining the stability of the brain's internal milieu, providing nutrients for the brain, and preventing toxic materials from the blood from entering the brain. The cellular structure of the BBB is mainly composed of brain microvascular endothelial cells (BMVECs), which are surrounded by astrocytic endfeet that are connected by tight junction proteins, pericytes and astrocytes. Recently, several studies have shown that aberrant increase in intracellular calcium levels in BMVECs lead to cellular metabolic disturbances and subsequent impairment of BBB integrity. Although multiple stresses can lead to intracellular calcium accumulation, inherent protective mechanisms in affected cells are subsequently activated to maintain calcium homeostasis. However, once the increase in intracellular calcium goes beyond a certain threshold, disturbances in cellular structures, protein expression, and the BBB permeability are inevitable. Here, we review recent research on the different factors regulating intracellular calcium concentrations and the mechanisms related to how calcium signaling cascades protect the BMVECs from outside injury. We also consider the potential of calcium signaling regulators as therapeutic targets for modulating intracellular calcium homeostasis and ameliorating BBB disruption in patients with calcium-related pathologies.
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Affiliation(s)
- Xingjie Ma
- Department of Intensive Care, The Affiliated Hospital of Yangzhou University, Yangzhou University, Yangzhou, China
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80
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Zhai X, Sterea AM, El Hiani Y. Lessons from the Endoplasmic Reticulum Ca 2+ Transporters-A Cancer Connection. Cells 2020; 9:E1536. [PMID: 32599788 PMCID: PMC7349521 DOI: 10.3390/cells9061536] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Revised: 06/21/2020] [Accepted: 06/22/2020] [Indexed: 02/06/2023] Open
Abstract
Ca2+ is an integral mediator of intracellular signaling, impacting almost every aspect of cellular life. The Ca2+-conducting transporters located on the endoplasmic reticulum (ER) membrane shoulder the responsibility of constructing the global Ca2+ signaling landscape. These transporters gate the ER Ca2+ release and uptake, sculpt signaling duration and intensity, and compose the Ca2+ signaling rhythm to accommodate a plethora of biological activities. In this review, we explore the mechanisms of activation and functional regulation of ER Ca2+ transporters in the establishment of Ca2+ homeostasis. We also contextualize the aberrant alterations of these transporters in carcinogenesis, presenting Ca2+-based therapeutic interventions as a means to tackle malignancies.
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Affiliation(s)
- Xingjian Zhai
- Department of Physiology and Biophysics, Faculty of Medicine, Dalhousie University, Halifax, NS B3H 4R2, Canada;
| | | | - Yassine El Hiani
- Department of Physiology and Biophysics, Faculty of Medicine, Dalhousie University, Halifax, NS B3H 4R2, Canada;
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81
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Pellegrino-Coppola D. Regulation of the mitochondrial permeability transition pore and its effects on aging. MICROBIAL CELL (GRAZ, AUSTRIA) 2020; 7:222-233. [PMID: 32904375 PMCID: PMC7453641 DOI: 10.15698/mic2020.09.728] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Revised: 06/12/2020] [Accepted: 06/15/2020] [Indexed: 11/30/2022]
Abstract
Aging is an evolutionarily conserved process and is tightly connected to mitochondria. To uncover the aging molecular mechanisms related to mitochondria, different organisms have been extensively used as model systems. Among these, the budding yeast Saccharomyces cerevisiae has been reported multiple times as a model of choice when studying cellular aging. In particular, yeast provides a quick and trustworthy system to identify shared aging genes and pathway patterns. In this viewpoint on aging and mitochondria, I will focus on the mitochondrial permeability transition pore (mPTP), which has been reported and proposed as a main player in cellular aging. I will make several parallelisms with yeast to highlight how this unicellular organism can be used as a guidance system to understand conserved cellular and molecular events in multicellular organisms such as humans. Overall, a thread connecting the preservation of mitochondrial functionality with the activity of the mPTP emerges in the regulation of cell survival and cell death, which in turn could potentially affect aging and aging-related diseases.
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82
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Barcena de Arellano ML, Pozdniakova S, Kühl AA, Baczko I, Ladilov Y, Regitz-Zagrosek V. Sex differences in the aging human heart: decreased sirtuins, pro-inflammatory shift and reduced anti-oxidative defense. Aging (Albany NY) 2020; 11:1918-1933. [PMID: 30964749 PMCID: PMC6503880 DOI: 10.18632/aging.101881] [Citation(s) in RCA: 55] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2018] [Accepted: 03/20/2019] [Indexed: 12/11/2022]
Abstract
Aging is associated with increased inflammation and alterations in mitochondrial biogenesis, which promote the development of cardiovascular diseases. Emerging evidence suggests a role for sirtuins, which are NAD+-dependent deacetylases, in the regulation of cardiovascular inflammation and mitochondrial biogenesis. Sirtuins are regulated by sex or sex hormones and are decreased during aging in animal models. We hypothesized that age-related alterations in cardiac Sirt1 and Sirt3 occur in the human heart and examined whether these changes are associated with a decrease in anti-oxidative defense, inflammatory state and mitochondrial biogenesis. Using human ventricular tissue from young (17-40 years old) and old (50-68 years old) individuals, we found significantly lower Sirt1 and Sirt3 expression in old female hearts than in young female hearts. Additionally, lower expression of the anti-oxidative protein SOD2 was observed in old female hearts than in young female hearts. Aging in female hearts was associated with a significant increase in the number of cardiac macrophages and pro-inflammatory cytokines, as well as NF-kB upregulation, indicating a pro-inflammatory shift. Aging-associated pathways in the male hearts were different, and no changes in Sirt1 and Sirt3 or cardiovascular inflammation were observed. In conclusion, the present study revealed a female sex-specific downregulation of Sirt1 and Sirt3 in aged hearts, as well as a decline in mitochondrial anti-oxidative defense and a pro-inflammatory shift in old female hearts but not in male hearts.
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Affiliation(s)
- Maria Luisa Barcena de Arellano
- Institute of Gender in Medicine and Center for Cardiovascular Research, Charité University Hospital, Berlin, Germany.,DZHK (German Centre for Cardiovascular Research), Berlin Partner Site, Berlin, Germany
| | - Sofya Pozdniakova
- Institute of Gender in Medicine and Center for Cardiovascular Research, Charité University Hospital, Berlin, Germany.,DZHK (German Centre for Cardiovascular Research), Berlin Partner Site, Berlin, Germany
| | - Anja A Kühl
- Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin Institute of Health, iPATH.Berlin-Immunopathology for Experimental Models, Berlin, Germany
| | - Istvan Baczko
- Department of Pharmacology and Pharmacotherapy, Interdisciplinary Excellence Centre, University of Szeged, Szeged, Hungary
| | - Yury Ladilov
- Institute of Gender in Medicine and Center for Cardiovascular Research, Charité University Hospital, Berlin, Germany.,DZHK (German Centre for Cardiovascular Research), Berlin Partner Site, Berlin, Germany
| | - Vera Regitz-Zagrosek
- Institute of Gender in Medicine and Center for Cardiovascular Research, Charité University Hospital, Berlin, Germany.,DZHK (German Centre for Cardiovascular Research), Berlin Partner Site, Berlin, Germany
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83
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Inositol 1,4,5-Trisphosphate Receptors in Human Disease: A Comprehensive Update. J Clin Med 2020; 9:jcm9041096. [PMID: 32290556 PMCID: PMC7231134 DOI: 10.3390/jcm9041096] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Revised: 03/30/2020] [Accepted: 04/10/2020] [Indexed: 12/22/2022] Open
Abstract
Inositol 1,4,5-trisphosphate receptors (ITPRs) are intracellular calcium release channels located on the endoplasmic reticulum of virtually every cell. Herein, we are reporting an updated systematic summary of the current knowledge on the functional role of ITPRs in human disorders. Specifically, we are describing the involvement of its loss-of-function and gain-of-function mutations in the pathogenesis of neurological, immunological, cardiovascular, and neoplastic human disease. Recent results from genome-wide association studies are also discussed.
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84
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Liu W, Lin H, Mao Z, Zhang L, Bao K, Jiang B, Xia C, Li W, Hu Z, Li J. Verapamil extends lifespan in Caenorhabditis elegans by inhibiting calcineurin activity and promoting autophagy. Aging (Albany NY) 2020; 12:5300-5317. [PMID: 32208362 PMCID: PMC7138547 DOI: 10.18632/aging.102951] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2019] [Accepted: 02/22/2020] [Indexed: 12/11/2022]
Abstract
Previous evidence has revealed that increase in intracellular levels of calcium promotes cellular senescence. However, whether calcium channel blockers (CCBs) can slow aging and extend lifespan is still unknown. In this study, we showed that verapamil, an L-type calcium channel blocker, extended the Caenorhabditis elegans (C. elegans) lifespan and delayed senescence in human lung fibroblasts. Verapamil treatment also improved healthspan in C. elegans as reflected by several age-related physiological parameters, including locomotion, thrashing, age-associated vulval integrity, and osmotic stress resistance. We also found that verapamil acted on the α1 subunit of an L-type calcium channel in C. elegans. Moreover, verapamil extended worm lifespan by inhibiting calcineurin activity. Furthermore, verapamil significantly promoted autophagy as reflected by the expression levels of LGG-1/LC3 and the mRNA levels of autophagy-related genes. In addition, verapamil could not further induce autophagy when tax-6, calcineurin gene, was knocked down, indicating that verapamil-induced lifespan extension is mediated via promoting autophagy processes downstream of calcineurin. In summary, our study provided mechanistic insights into the anti-aging effect of verapamil in C. elegans.
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Affiliation(s)
- Wenwen Liu
- State Key Laboratory of Bioreactor Engineering, Shanghai Key Laboratory of New Drug Design, East China University of Science and Technology, Shanghai, China
| | - Huiling Lin
- State Key Laboratory of Bioreactor Engineering, Shanghai Key Laboratory of New Drug Design, East China University of Science and Technology, Shanghai, China
| | - Zhifan Mao
- State Key Laboratory of Bioreactor Engineering, Shanghai Key Laboratory of New Drug Design, East China University of Science and Technology, Shanghai, China
| | - Lanxin Zhang
- State Key Laboratory of Bioreactor Engineering, Shanghai Key Laboratory of New Drug Design, East China University of Science and Technology, Shanghai, China
| | - Keting Bao
- State Key Laboratory of Bioreactor Engineering, Shanghai Key Laboratory of New Drug Design, East China University of Science and Technology, Shanghai, China
| | - Bei Jiang
- Institute of Materia Medica, Dali University, Dali, China
| | - Conglong Xia
- College of Pharmacy and Chemistry, Dali University, Dali, China
| | - Wenjun Li
- National Institute of Biological Sciences, Beijing, China
| | - Zelan Hu
- State Key Laboratory of Bioreactor Engineering, Shanghai Key Laboratory of New Drug Design, East China University of Science and Technology, Shanghai, China
| | - Jian Li
- State Key Laboratory of Bioreactor Engineering, Shanghai Key Laboratory of New Drug Design, East China University of Science and Technology, Shanghai, China.,College of Pharmacy and Chemistry, Dali University, Dali, China
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85
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Cetani F, Pardi E, Aretini P, Saponaro F, Borsari S, Mazoni L, Apicella M, Civita P, La Ferla M, Caligo MA, Lessi F, Mazzanti CM, Torregossa L, Oppo A, Marcocci C. Whole exome sequencing in familial isolated primary hyperparathyroidism. J Endocrinol Invest 2020; 43:231-245. [PMID: 31486992 DOI: 10.1007/s40618-019-01107-5] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/03/2019] [Accepted: 08/29/2019] [Indexed: 12/14/2022]
Abstract
PURPOSE Familial isolated hyperparathyroidism (FIHP) is a rare inherited disease accounting for 1% of all cases of primary hyperparathyroidism (PHPT). It is genetically heterogeneous being associated with mutations in different genes, including MEN1, CDC73, CASR, and recently GCM2. The aim of the study was to further investigate the molecular pathogenesis in Italian FIHP kindreds. METHODS We used whole exome sequencing (WES) in the probands of seven unrelated FIHP kindreds. We carried out a separate family-based exome analysis in a large family characterized by the co-occurrence of PHPT with multiple tumors apparently unrelated to the disease. Selected variants were also screened in 18 additional FIHP kindreds. The clinical, biochemical, and pathological characteristics of the families were also investigated. RESULTS Three different variants in GCM2 gene were found in two families, but only one (p.Tyr394Ser), already been shown to be pathogenic in vitro, segregated with the disease. Six probands carried seven heterozygous missense mutations segregating with the disease in the FAT3, PARK2, HDAC4, ITPR2 and TBCE genes. A genetic variant in the APC gene co-segregating with PHPT (p.Val530Ala) was detected in a family whose affected relatives had additional tumors, including colonic polyposis. CONCLUSION We confirm the role of GCM2 germline mutations in the pathogenesis of FIHP, although at a lower rate than in the previous WES study. Further studies are needed to establish the prevalence and the role in the predisposition to FIHP of the novel variants in additional genes.
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Affiliation(s)
- F Cetani
- University Hospital of Pisa, Endocrine Unit 2, Via Paradisa 2, 56124, Pisa, Italy.
| | - E Pardi
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - P Aretini
- Fondazione Pisana per la Scienza ONLUS, Pisa, Italy
| | - F Saponaro
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - S Borsari
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - L Mazoni
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - M Apicella
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - P Civita
- Fondazione Pisana per la Scienza ONLUS, Pisa, Italy
| | - M La Ferla
- Fondazione Pisana per la Scienza ONLUS, Pisa, Italy
| | - M A Caligo
- Molecular Genetics Unit, Department of Laboratory Medicine, University Hospital of Pisa, Pisa, Italy
| | - F Lessi
- Fondazione Pisana per la Scienza ONLUS, Pisa, Italy
| | - C M Mazzanti
- Fondazione Pisana per la Scienza ONLUS, Pisa, Italy
| | - L Torregossa
- Division of Surgical Pathology, University Hospital of Pisa, Pisa, Italy
| | - A Oppo
- Endocrinology Unit, Department of Medical Sciences and Public Health, University of Cagliari, Cagliari, Italy
| | - C Marcocci
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
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86
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Ueasilamongkol P, Khamphaya T, Guerra MT, Rodrigues M, Gomes DA, Kong Y, Wei W, Jain D, Trampert DC, Ananthanarayanan M, Banales JM, Roberts LR, Farshidfar F, Nathanson MH, Weerachayaphorn J. Type 3 Inositol 1,4,5-Trisphosphate Receptor Is Increased and Enhances Malignant Properties in Cholangiocarcinoma. Hepatology 2020; 71:583-599. [PMID: 31251815 PMCID: PMC6934938 DOI: 10.1002/hep.30839] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/03/2018] [Accepted: 06/17/2019] [Indexed: 12/12/2022]
Abstract
Cholangiocarcinoma (CCA) is the second most common malignancy arising in the liver. It carries a poor prognosis, in part because its pathogenesis is not well understood. The type 3 inositol 1,4,5-trisphosphate receptor (ITPR3) is the principal intracellular calcium ion (Ca2+ ) release channel in cholangiocytes, and its increased expression has been related to the pathogenesis of malignancies in other types of tissues, so we investigated its role in CCA. ITPR3 expression was increased in both hilar and intrahepatic CCA samples as well as in CCA cell lines. Deletion of ITPR3 from CCA cells impaired proliferation and cell migration. A bioinformatic analysis suggested that overexpression of ITPR3 in CCA would have a mitochondrial phenotype, so this was also examined. ITPR3 normally is concentrated in a subapical region of endoplasmic reticulum (ER) in cholangiocytes, but both immunogold electron microscopy and super-resolution microscopy showed that ITPR3 in CCA cells was also in regions of ER in close association with mitochondria. Deletion of ITPR3 from these cells impaired mitochondrial Ca2+ signaling and led to cell death. Conclusion: ITPR3 expression in cholangiocytes becomes enhanced in CCA. This contributes to malignant features, including cell proliferation and migration and enhanced mitochondrial Ca2+ signaling.
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Affiliation(s)
| | - Tanaporn Khamphaya
- Toxicology Graduate Program, Faculty of Science, Mahidol University, Bangkok, Thailand
| | - Mateus T. Guerra
- Section of Digestive Diseases, Yale University School of Medicine, New Haven, Connecticut, USA
| | - Michele Rodrigues
- Section of Digestive Diseases, Yale University School of Medicine, New Haven, Connecticut, USA
| | - Dawidson A. Gomes
- Section of Digestive Diseases, Yale University School of Medicine, New Haven, Connecticut, USA
| | - Yong Kong
- Department of Biostatistics, Yale University School of Public Health, New Haven, Connecticut, USA
| | - Wei Wei
- Department of Biostatistics, Yale University School of Public Health, New Haven, Connecticut, USA
| | - Dhanpat Jain
- Department of Pathology, Yale University School of Medicine, New Haven, Connecticut, USA
| | - David C. Trampert
- Section of Digestive Diseases, Yale University School of Medicine, New Haven, Connecticut, USA
| | | | - Jesus M. Banales
- Department of Liver and Gastrointestinal Diseases, Biodonostia Research Institute, Donostia University Hospital, University of the Basque Country (UPV/EHU), CIBERehd, Ikerbasque, San Sebastian, Spain
| | - Lewis R. Roberts
- Divisions of Gastroenterology and Hepatology and Laboratory Medicine and Pathology, Mayo Clinic College of Medicine, Rochester, Minnesota, USA
| | - Farshad Farshidfar
- Department of Oncology, Cumming School of Medicine, University of Calgary, Arnie Charbonneau Cancer Institute, University of Calgary, Calgary, Canada
| | - Michael H. Nathanson
- Section of Digestive Diseases, Yale University School of Medicine, New Haven, Connecticut, USA,Corresponding authors: Michael H. Nathanson, M.D., Ph.D., Department of Medicine, Section of Digestive Diseases, Yale University School of Medicine, 333 Cedar Street, New Haven, CT, 06519, USA. Phone: (+1) 203-785-5610; Fax: (+1) 203-785-7273, , Jittima Weerachayaphorn, Ph.D., Department of Physiology, Faculty of Science, Mahidol University, Rama 6 Road, Ratchathewi, Bangkok, 10400 Thailand. Phone: (+66) 2201-5620; Fax: (+66) 2354-7154, ,
| | - Jittima Weerachayaphorn
- Department of Physiology, Faculty of Science, Mahidol University, Bangkok, Thailand,Section of Digestive Diseases, Yale University School of Medicine, New Haven, Connecticut, USA,Corresponding authors: Michael H. Nathanson, M.D., Ph.D., Department of Medicine, Section of Digestive Diseases, Yale University School of Medicine, 333 Cedar Street, New Haven, CT, 06519, USA. Phone: (+1) 203-785-5610; Fax: (+1) 203-785-7273, , Jittima Weerachayaphorn, Ph.D., Department of Physiology, Faculty of Science, Mahidol University, Rama 6 Road, Ratchathewi, Bangkok, 10400 Thailand. Phone: (+66) 2201-5620; Fax: (+66) 2354-7154, ,
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87
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Turner RM, Pirmohamed M. Statin-Related Myotoxicity: A Comprehensive Review of Pharmacokinetic, Pharmacogenomic and Muscle Components. J Clin Med 2019; 9:jcm9010022. [PMID: 31861911 PMCID: PMC7019839 DOI: 10.3390/jcm9010022] [Citation(s) in RCA: 98] [Impact Index Per Article: 19.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2019] [Revised: 12/17/2019] [Accepted: 12/18/2019] [Indexed: 02/06/2023] Open
Abstract
Statins are a cornerstone in the pharmacological prevention of cardiovascular disease. Although generally well tolerated, a small subset of patients experience statin-related myotoxicity (SRM). SRM is heterogeneous in presentation; phenotypes include the relatively more common myalgias, infrequent myopathies, and rare rhabdomyolysis. Very rarely, statins induce an anti-HMGCR positive immune-mediated necrotizing myopathy. Diagnosing SRM in clinical practice can be challenging, particularly for mild SRM that is frequently due to alternative aetiologies and the nocebo effect. Nevertheless, SRM can directly harm patients and lead to statin discontinuation/non-adherence, which increases the risk of cardiovascular events. Several factors increase systemic statin exposure and predispose to SRM, including advanced age, concomitant medications, and the nonsynonymous variant, rs4149056, in SLCO1B1, which encodes the hepatic sinusoidal transporter, OATP1B1. Increased exposure of skeletal muscle to statins increases the risk of mitochondrial dysfunction, calcium signalling disruption, reduced prenylation, atrogin-1 mediated atrophy and pro-apoptotic signalling. Rare variants in several metabolic myopathy genes including CACNA1S, CPT2, LPIN1, PYGM and RYR1 increase myopathy/rhabdomyolysis risk following statin exposure. The immune system is implicated in both conventional statin intolerance/myotoxicity via LILRB5 rs12975366, and a strong association exists between HLA-DRB1*11:01 and anti-HMGCR positive myopathy. Epigenetic factors (miR-499-5p, miR-145) have also been implicated in statin myotoxicity. SRM remains a challenge to the safe and effective use of statins, although consensus strategies to manage SRM have been proposed. Further research is required, including stringent phenotyping of mild SRM through N-of-1 trials coupled to systems pharmacology omics- approaches to identify novel risk factors and provide mechanistic insight.
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88
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Moreno-Felici J, Hyroššová P, Aragó M, Rodríguez-Arévalo S, García-Rovés PM, Escolano C, Perales JC. Phosphoenolpyruvate from Glycolysis and PEPCK Regulate Cancer Cell Fate by Altering Cytosolic Ca 2. Cells 2019; 9:cells9010018. [PMID: 31861674 PMCID: PMC7017135 DOI: 10.3390/cells9010018] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2019] [Revised: 12/13/2019] [Accepted: 12/16/2019] [Indexed: 12/11/2022] Open
Abstract
Changes in phosphoenolpyruvate (PEP) concentrations secondary to variations in glucose availability can regulate calcium signaling in T cells as this metabolite potently inhibits the sarcoplasmic reticulum Ca2+/ATPase pump (SERCA). This regulation is critical to assert immune activation in the tumor as T cells and cancer cells compete for available nutrients. We examined here whether cytosolic calcium and the activation of downstream effector pathways important for tumor biology are influenced by the presence of glucose and/or cataplerosis through the phosphoenolpyruvate carboxykinase (PEPCK) pathway, as both are hypothesized to feed the PEP pool. Our data demonstrate that cellular PEP parallels extracellular glucose in two human colon carcinoma cell lines, HCT-116 and SW480. PEP correlated with cytosolic calcium and NFAT activity, together with transcriptional up-regulation of canonical targets PTGS2 and IL6 that was fully prevented by CsA pre-treatment. Similarly, loading the metabolite directly into the cell increased cytosolic calcium and NFAT activity. PEP-stirred cytosolic calcium was also responsible for the calmodulin (CaM) dependent phosphorylation of c-Myc at Ser62, resulting in increased activity, probably through enhanced stabilization of the protein. Protein expression of several c-Myc targets also correlated with PEP levels. Finally, the participation of PEPCK in this axis was interrogated as it should directly contribute to PEP through cataplerosis from TCA cycle intermediates, especially in glucose starvation conditions. Inhibition of PEPCK activity showed the expected regulation of PEP and calcium levels and consequential downstream modulation of NFAT and c-Myc activities. Collectively, these results suggest that glucose and PEPCK can regulate NFAT and c-Myc activities through their influence on the PEP/Ca2+ axis, advancing a role for PEP as a second messenger communicating metabolism, calcium cell signaling, and tumor biology.
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Affiliation(s)
- Juan Moreno-Felici
- Department of Physiological Sciences, School of Medicine, University of Barcelona, Feixa Llarga s/n, 08907 L’Hospitalet del Llobregat, Spain; (J.M.-F.); (P.H.); (M.A.); (P.M.G.-R.)
| | - Petra Hyroššová
- Department of Physiological Sciences, School of Medicine, University of Barcelona, Feixa Llarga s/n, 08907 L’Hospitalet del Llobregat, Spain; (J.M.-F.); (P.H.); (M.A.); (P.M.G.-R.)
| | - Marc Aragó
- Department of Physiological Sciences, School of Medicine, University of Barcelona, Feixa Llarga s/n, 08907 L’Hospitalet del Llobregat, Spain; (J.M.-F.); (P.H.); (M.A.); (P.M.G.-R.)
| | - Sergio Rodríguez-Arévalo
- Laboratory of Medicinal Chemistry (Associated Unit to CSIC), Faculty of Pharmacy and Food Sciences, and Institute of Biomedicine (IBUB), University of Barcelona, 08028 Barcelona, Spain; (S.R.-A.); (C.E.)
| | - Pablo M. García-Rovés
- Department of Physiological Sciences, School of Medicine, University of Barcelona, Feixa Llarga s/n, 08907 L’Hospitalet del Llobregat, Spain; (J.M.-F.); (P.H.); (M.A.); (P.M.G.-R.)
| | - Carmen Escolano
- Laboratory of Medicinal Chemistry (Associated Unit to CSIC), Faculty of Pharmacy and Food Sciences, and Institute of Biomedicine (IBUB), University of Barcelona, 08028 Barcelona, Spain; (S.R.-A.); (C.E.)
| | - Jose C. Perales
- Department of Physiological Sciences, School of Medicine, University of Barcelona, Feixa Llarga s/n, 08907 L’Hospitalet del Llobregat, Spain; (J.M.-F.); (P.H.); (M.A.); (P.M.G.-R.)
- IDIBELL, Gran Via de l’Hospitalet 199, 08908 L’Hospitalet de Llobregat, Spain
- Correspondence: ; Tel.: +34-934024295; Fax: +34-934024268
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89
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Assessment of doxorubicin-induced remodeling of Ca 2+ signaling and associated Ca 2+ regulating proteins in MDA-MB-231 breast cancer cells. Biochem Biophys Res Commun 2019; 522:532-538. [PMID: 31780263 DOI: 10.1016/j.bbrc.2019.11.136] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2019] [Accepted: 11/20/2019] [Indexed: 12/22/2022]
Abstract
Triple-negative breast cancers (TNBC) are often associated with high relapse rates, despite treatment with chemotherapy agents such as doxorubicin. A better understanding of the signaling and molecular changes associated with doxorubicin may provide novel insights into strategies to enhance treatment efficacy. Calcium signaling is involved in many pathways influencing the efficacy of chemotherapy agents such as proliferation and cell death. However, there are a limited number of studies exploring the effect of doxorubicin on calcium signaling in TNBC. In this study, MDA-MB-231 triple-negative, basal breast cancer cells stably expressing the genetically-encoded calcium indicator GCaMP6m (GCaMP6m-MDA-MB-231) were used to define alterations in calcium signaling. The effects of doxorubicin in GCaMP6m-MDA-MB-231 cells were determined using live cell imaging and fluorescence microscopy. Changes in mRNA levels of specific calcium regulating proteins as a result of doxorubicin treatment were also assessed using real time qPCR. Doxorubicin (1 μM) produced alterations in intracellular calcium signaling, including enhancing the sensitivity of MDA-MB-231 cells to ATP stimulation and prolonging the recovery time after store-operated calcium entry. Upregulation in mRNA levels of ORAI1, TRPC1, SERCA1, IP3R2 and PMCA2 with doxorubicin 1 μM treatment was also observed. Doxorubicin treatment is associated with specific remodeling in calcium signaling in MDA-MB-231 cells, with associated changes in mRNA levels of specific calcium-regulating proteins.
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90
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Roles for the Endoplasmic Reticulum in Regulation of Neuronal Calcium Homeostasis. Cells 2019; 8:cells8101232. [PMID: 31658749 PMCID: PMC6829861 DOI: 10.3390/cells8101232] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2019] [Revised: 10/01/2019] [Accepted: 10/03/2019] [Indexed: 02/06/2023] Open
Abstract
By influencing Ca2+ homeostasis in spatially and architecturally distinct neuronal compartments, the endoplasmic reticulum (ER) illustrates the notion that form and function are intimately related. The contribution of ER to neuronal Ca2+ homeostasis is attributed to the organelle being the largest reservoir of intracellular Ca2+ and having a high density of Ca2+ channels and transporters. As such, ER Ca2+ has incontrovertible roles in the regulation of axodendritic growth and morphology, synaptic vesicle release, and neural activity dependent gene expression, synaptic plasticity, and mitochondrial bioenergetics. Not surprisingly, many neurological diseases arise from ER Ca2+ dyshomeostasis, either directly due to alterations in ER resident proteins, or indirectly via processes that are coupled to the regulators of ER Ca2+ dynamics. In this review, we describe the mechanisms involved in the establishment of ER Ca2+ homeostasis in neurons. We elaborate upon how changes in the spatiotemporal dynamics of Ca2+ exchange between the ER and other organelles sculpt neuronal function and provide examples that demonstrate the involvement of ER Ca2+ dyshomeostasis in a range of neurological and neurodegenerative diseases.
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91
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Breau M, Houssaini A, Lipskaia L, Abid S, Born E, Marcos E, Czibik G, Attwe A, Beaulieu D, Palazzo A, Flaman JM, Bourachot B, Collin G, Tran Van Nhieu J, Bernard D, Mechta-Grigoriou F, Adnot S. The antioxidant N-acetylcysteine protects from lung emphysema but induces lung adenocarcinoma in mice. JCI Insight 2019; 4:127647. [PMID: 31578304 DOI: 10.1172/jci.insight.127647] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2019] [Accepted: 08/31/2019] [Indexed: 12/13/2022] Open
Abstract
Oxidative stress is a major contributor to chronic lung diseases. Antioxidants such as N-acetylcysteine (NAC) are broadly viewed as protective molecules that prevent the mutagenic effects of reactive oxygen species. Antioxidants may, however, increase the risk of some forms of cancer and accelerate lung cancer progression in murine models. Here, we investigated chronic NAC treatment in aging mice displaying lung oxidative stress and cell senescence due to inactivation of the transcription factor JunD, which is downregulated in diseased human lungs. NAC treatment decreased lung oxidative damage and cell senescence and protected from lung emphysema but concomitantly induced the development of lung adenocarcinoma in 50% of JunD-deficient mice and 10% of aged control mice. This finding constitutes the first evidence to our knowledge of a carcinogenic effect of antioxidant therapy in the lungs of aged mice with chronic lung oxidative stress and warrants the utmost caution when considering the therapeutic use of antioxidants.
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Affiliation(s)
- Marielle Breau
- INSERM U955, Département de Physiologie-Explorations Fonctionnelles, and DHU A-TVB Hôpital Henri Mondor, AP-HP, Créteil, France
| | - Amal Houssaini
- INSERM U955, Département de Physiologie-Explorations Fonctionnelles, and DHU A-TVB Hôpital Henri Mondor, AP-HP, Créteil, France
| | - Larissa Lipskaia
- INSERM U955, Département de Physiologie-Explorations Fonctionnelles, and DHU A-TVB Hôpital Henri Mondor, AP-HP, Créteil, France
| | - Shariq Abid
- INSERM U955, Département de Physiologie-Explorations Fonctionnelles, and DHU A-TVB Hôpital Henri Mondor, AP-HP, Créteil, France
| | - Emmanuelle Born
- INSERM U955, Département de Physiologie-Explorations Fonctionnelles, and DHU A-TVB Hôpital Henri Mondor, AP-HP, Créteil, France
| | - Elisabeth Marcos
- INSERM U955, Département de Physiologie-Explorations Fonctionnelles, and DHU A-TVB Hôpital Henri Mondor, AP-HP, Créteil, France
| | - Gabor Czibik
- INSERM U955, Département de Physiologie-Explorations Fonctionnelles, and DHU A-TVB Hôpital Henri Mondor, AP-HP, Créteil, France
| | - Aya Attwe
- INSERM U955, Département de Physiologie-Explorations Fonctionnelles, and DHU A-TVB Hôpital Henri Mondor, AP-HP, Créteil, France
| | - Delphine Beaulieu
- INSERM U955, Département de Physiologie-Explorations Fonctionnelles, and DHU A-TVB Hôpital Henri Mondor, AP-HP, Créteil, France
| | - Alberta Palazzo
- Centre de Recherche en Cancérologie de Lyon, UMR INSERM U1052/CNRS 5286, Université de Lyon, Lyon, France
| | - Jean-Michel Flaman
- Centre de Recherche en Cancérologie de Lyon, UMR INSERM U1052/CNRS 5286, Université de Lyon, Lyon, France
| | - Brigitte Bourachot
- Stress and Cancer Laboratory, Equipe Labelisée LNCC, Institut Curie, INSERM U830, Paris, France
| | - Guillaume Collin
- Centre de Recherche en Cancérologie de Lyon, UMR INSERM U1052/CNRS 5286, Université de Lyon, Lyon, France
| | | | - David Bernard
- Centre de Recherche en Cancérologie de Lyon, UMR INSERM U1052/CNRS 5286, Université de Lyon, Lyon, France
| | - Fatima Mechta-Grigoriou
- Stress and Cancer Laboratory, Equipe Labelisée LNCC, Institut Curie, INSERM U830, Paris, France
| | - Serge Adnot
- INSERM U955, Département de Physiologie-Explorations Fonctionnelles, and DHU A-TVB Hôpital Henri Mondor, AP-HP, Créteil, France
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92
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Martin N, Ma X, Bernard D. Regulation of cellular senescence by retinoid X receptors and their partners. Mech Ageing Dev 2019; 183:111131. [PMID: 31476329 DOI: 10.1016/j.mad.2019.111131] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2019] [Revised: 06/20/2019] [Accepted: 08/22/2019] [Indexed: 01/10/2023]
Abstract
Cellular senescence is a response characterized by a stable cell proliferation arrest and a senescence-associated secretory phenotype (SASP) which can be induced by many stresses, including telomere shortening and oncogene activation. Senescence is crucially involved in a variety of physiopathological contexts, such as cancer and aging. Given the fundamental role of this process, senescence needs to be tightly regulated. In the last decade, the key implication of nuclear receptors in cellular senescence has emerged. Here we will review the mechanisms involved in the control of cellular senescence by retinoid X receptors (RXRs) and their partners. We will also present our current knowledge on the regulation of these receptors during senescence and on their potential role in senescence-associated physiopathological conditions.
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Affiliation(s)
- Nadine Martin
- Centre de Recherche en Cancérologie de Lyon, Inserm U1052, CNRS UMR 5286, Université de Lyon, Centre Léon Bérard, Lyon, France.
| | - Xingjie Ma
- Centre de Recherche en Cancérologie de Lyon, Inserm U1052, CNRS UMR 5286, Université de Lyon, Centre Léon Bérard, Lyon, France
| | - David Bernard
- Centre de Recherche en Cancérologie de Lyon, Inserm U1052, CNRS UMR 5286, Université de Lyon, Centre Léon Bérard, Lyon, France.
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93
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Zhang M, Bener MB, Jiang Z, Wang T, Esencan E, Scott Iii R, Horvath T, Seli E. Mitofusin 1 is required for female fertility and to maintain ovarian follicular reserve. Cell Death Dis 2019; 10:560. [PMID: 31332167 PMCID: PMC6646343 DOI: 10.1038/s41419-019-1799-3] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2019] [Revised: 05/10/2019] [Accepted: 06/24/2019] [Indexed: 12/20/2022]
Abstract
Mitochondria are dynamic organelles that continually adapt their structure through fusion and fission in response to changes in their bioenergetic environment. Targeted deletion of mitochondrial fusion protein mitofusin1 (MFN1) in oocytes resulted in female infertility associated with failure to achieve oocyte maturation. Oocyte-granulosa cell communication was impaired, and cadherins and connexins were downregulated, resulting in follicle developmental arrest at the secondary follicle stage. Deletion of MFN1 in oocytes resulted in mitochondrial dysfunction and altered mitochondrial dynamics, as well as accumulation of ceramide, which contributed to increased apoptosis and a reproductive phenotype that was partially rescued by treatment with ceramide synthesis inhibitor myriocin. Absence of MFN1 and resulting apoptotic cell loss also caused depletion of ovarian follicular reserve, and a phenotype consistent with accelerated female reproductive aging.
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Affiliation(s)
- Man Zhang
- Department of Obstetrics, Gynecology and Reproductive Sciences, Yale School of Medicine, New Haven, CT, 06510, USA
| | - Muhammed Burak Bener
- Department of Obstetrics, Gynecology and Reproductive Sciences, Yale School of Medicine, New Haven, CT, 06510, USA
| | - Zongliang Jiang
- Department of Obstetrics, Gynecology and Reproductive Sciences, Yale School of Medicine, New Haven, CT, 06510, USA.,AgCenter, School of Animal Sciences, Louisiana State University, Baton Rouge, LA, 70803, USA
| | - Tianren Wang
- Department of Obstetrics, Gynecology and Reproductive Sciences, Yale School of Medicine, New Haven, CT, 06510, USA.,Foundation for Embryonic Competence, Basking Ridge, NJ, 07920, USA
| | - Ecem Esencan
- Department of Obstetrics, Gynecology and Reproductive Sciences, Yale School of Medicine, New Haven, CT, 06510, USA
| | - Richard Scott Iii
- Department of Obstetrics, Gynecology and Reproductive Sciences, Yale School of Medicine, New Haven, CT, 06510, USA
| | - Tamas Horvath
- Department of Obstetrics, Gynecology and Reproductive Sciences, Yale School of Medicine, New Haven, CT, 06510, USA.,Department of Comparative Medicine, Yale School of Medicine, New Haven, CT, 06520, USA
| | - Emre Seli
- Department of Obstetrics, Gynecology and Reproductive Sciences, Yale School of Medicine, New Haven, CT, 06510, USA.
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94
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Mitochondrial Dysfunction in Parkinson's Disease-Cause or Consequence? BIOLOGY 2019; 8:biology8020038. [PMID: 31083583 PMCID: PMC6627981 DOI: 10.3390/biology8020038] [Citation(s) in RCA: 138] [Impact Index Per Article: 27.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/21/2018] [Revised: 01/25/2019] [Accepted: 02/05/2019] [Indexed: 12/18/2022]
Abstract
James Parkinson first described the motor symptoms of the disease that took his name over 200 years ago. While our knowledge of many of the changes that occur in this condition has increased, it is still unknown what causes this neurodegeneration and why it only affects some individuals with advancing age. Here we review current literature to discuss whether the mitochondrial dysfunction we have detected in Parkinson’s disease is a pathogenic cause of neuronal loss or whether it is itself a consequence of dysfunction in other pathways. We examine research data from cases of idiopathic Parkinson’s with that from model systems and individuals with familial forms of the disease. Furthermore, we include data from healthy aged individuals to highlight that many of the changes described are also present with advancing age, though not normally in the presence of severe neurodegeneration. While a definitive answer to this question may still be just out of reach, it is clear that mitochondrial dysfunction sits prominently at the centre of the disease pathway that leads to catastrophic neuronal loss in those affected by this disease.
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95
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Strickland M, Yacoubi-Loueslati B, Bouhaouala-Zahar B, Pender SLF, Larbi A. Relationships Between Ion Channels, Mitochondrial Functions and Inflammation in Human Aging. Front Physiol 2019; 10:158. [PMID: 30881309 PMCID: PMC6405477 DOI: 10.3389/fphys.2019.00158] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2018] [Accepted: 02/08/2019] [Indexed: 12/19/2022] Open
Abstract
Aging is often associated with a loss of function. We believe aging to be more an adaptation to the various, and often continuous, stressors encountered during life in order to maintain overall functionality of the systems. The maladaptation of a system during aging may increase the susceptibility to diseases. There are basic cellular functions that may influence and/or are influenced by aging. Mitochondrial function is amongst these. Their presence in almost all cell types makes of these valuable targets for interventions to slow down or even reserve signs of aging. In this review, the role of mitochondria and essential physiological regulators of mitochondria and cellular functions, ion channels, will be discussed in the context of human aging. The origins of inflamm-aging, associated with poor clinical outcomes, will be linked to mitochondria and ion channel biology.
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Affiliation(s)
- Marie Strickland
- Singapore Immunology Network, Agency for Science Technology and Research, Singapore, Singapore
- Clinical and Experimental Sciences, Faculty of Medicine, University of Southampton, Southampton, United Kingdom
| | - Besma Yacoubi-Loueslati
- Laboratory of Mycology, Pathologies and Biomarkers, Department of Biology, Faculty of Sciences, University Tunis El Manar, Tunis, Tunisia
| | - Balkiss Bouhaouala-Zahar
- Laboratory of Venoms and Therapeutic Molecules, Institut Pasteur de Tunis, University Tunis El Manar, Tunis, Tunisia
- Medical School of Tunis, University Tunis El Manar, Tunis, Tunisia
| | - Sylvia L. F. Pender
- Clinical and Experimental Sciences, Faculty of Medicine, University of Southampton, Southampton, United Kingdom
- Chinese University of Hong Kong – University of Southampton Joint Lab for Stem Cell and Regenerative Medicine, Hong Kong, China
| | - Anis Larbi
- Singapore Immunology Network, Agency for Science Technology and Research, Singapore, Singapore
- Department of Biology, Faculty of Sciences, University Tunis El Manar, Tunis, Tunisia
- Department of Microbiology and Immunology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
- Geriatrics Division, Department of Medicine, Research Center on Aging, University of Sherbrooke, Sherbrooke, QC, Canada
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96
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Chen Q, Tang L, Xin G, Li S, Ma L, Xu Y, Zhuang M, Xiong Q, Wei Z, Xing Z, Niu H, Huang W. Oxidative stress mediated by lipid metabolism contributes to high glucose-induced senescence in retinal pigment epithelium. Free Radic Biol Med 2019; 130:48-58. [PMID: 30339883 DOI: 10.1016/j.freeradbiomed.2018.10.419] [Citation(s) in RCA: 57] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/04/2018] [Revised: 10/09/2018] [Accepted: 10/10/2018] [Indexed: 02/05/2023]
Abstract
Retinal pigment epithelium (RPE) dysfunction is thought to increase the risk of the development and progression of diabetic retinopathy (DR), the leading cause of blindness. However, the molecular mechanism behind high glucose-induced RPE cell damage is still blurred. We reported that ARPE-19 exposed to 25 mM glucose for 48 h did not induce apoptosis, but senescence validated by SA-β-Gal staining, p21 expression and cell cycle distribution. High glucose also increased oxidant species that exerted a pivotal role in senescence, which could be relieved by the treatment with antioxidant N-acetylcysteine (NAC). The accumulation of lipid droplets and the increase of lipid oxidation were also observed in ARPE-19 treated with high glucose. And the supplementation of free fatty acids (FFAs) indicated that lipid metabolism was associated with the generation of hydrogen peroxide (H2O2) and subsequent senescence in ARPE-19. PI3K/Akt/mTOR signaling pathway was shown to be responsible for the accumulation of intracellular lipids by regulating fatty acid synthesis, which in turn controlled senescence. Furthermore, high glucose induced autophagy in ARPE-19 with the treatment of glucose for 48 h, and autophagy inhibitor hydroxychloroquine (HCQ) or bafilomycin further aggravated the senescence, accompanying by an increase in oxidant species. Whereas, prolonged high glucose exposure inhibited autophagy and increased apoptotic cells. Experiments above provide evidence that lipid metabolism plays an important role in oxidative stressed senescence of RPE.
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Affiliation(s)
- Qingqiu Chen
- Laboratory of Ethnopharmacology, West China School of Pharmacy, West China Hospital, Sichuan University, Keyuan Road 4 No.1, Gaopeng Avenue, Gaoxin District, Chengdu, Sichuan 610041, China
| | - Li Tang
- Department of Ophthalmology, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Guang Xin
- Laboratory of Ethnopharmacology, West China School of Pharmacy, West China Hospital, Sichuan University, Keyuan Road 4 No.1, Gaopeng Avenue, Gaoxin District, Chengdu, Sichuan 610041, China
| | - Shiyi Li
- Laboratory of Ethnopharmacology, West China School of Pharmacy, West China Hospital, Sichuan University, Keyuan Road 4 No.1, Gaopeng Avenue, Gaoxin District, Chengdu, Sichuan 610041, China
| | - Limei Ma
- Laboratory of Ethnopharmacology, West China School of Pharmacy, West China Hospital, Sichuan University, Keyuan Road 4 No.1, Gaopeng Avenue, Gaoxin District, Chengdu, Sichuan 610041, China
| | - Yao Xu
- Laboratory of Ethnopharmacology, West China School of Pharmacy, West China Hospital, Sichuan University, Keyuan Road 4 No.1, Gaopeng Avenue, Gaoxin District, Chengdu, Sichuan 610041, China
| | - Manjiao Zhuang
- Laboratory of Ethnopharmacology, West China School of Pharmacy, West China Hospital, Sichuan University, Keyuan Road 4 No.1, Gaopeng Avenue, Gaoxin District, Chengdu, Sichuan 610041, China
| | - Qiuyang Xiong
- Laboratory of Ethnopharmacology, West China School of Pharmacy, West China Hospital, Sichuan University, Keyuan Road 4 No.1, Gaopeng Avenue, Gaoxin District, Chengdu, Sichuan 610041, China
| | - Zeliang Wei
- Laboratory of Ethnopharmacology, West China School of Pharmacy, West China Hospital, Sichuan University, Keyuan Road 4 No.1, Gaopeng Avenue, Gaoxin District, Chengdu, Sichuan 610041, China
| | - Zhihua Xing
- Laboratory of Ethnopharmacology, West China School of Pharmacy, West China Hospital, Sichuan University, Keyuan Road 4 No.1, Gaopeng Avenue, Gaoxin District, Chengdu, Sichuan 610041, China
| | - Hai Niu
- Laboratory of Ethnopharmacology, West China School of Pharmacy, West China Hospital, Sichuan University, Keyuan Road 4 No.1, Gaopeng Avenue, Gaoxin District, Chengdu, Sichuan 610041, China.
| | - Wen Huang
- Laboratory of Ethnopharmacology, West China School of Pharmacy, West China Hospital, Sichuan University, Keyuan Road 4 No.1, Gaopeng Avenue, Gaoxin District, Chengdu, Sichuan 610041, China.
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97
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Ma X, Warnier M, Raynard C, Ferrand M, Kirsh O, Defossez PA, Martin N, Bernard D. The nuclear receptor RXRA controls cellular senescence by regulating calcium signaling. Aging Cell 2018; 17:e12831. [PMID: 30216632 PMCID: PMC6260923 DOI: 10.1111/acel.12831] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2018] [Revised: 07/10/2018] [Accepted: 07/21/2018] [Indexed: 12/18/2022] Open
Abstract
Calcium signaling is emerging as a key pathway controlling cellular senescence, a stable cell proliferation arrest playing a fundamental role in pathophysiological conditions, such as embryonic development, wound healing, cancer, and aging. However, how calcium signaling is regulated is still only partially understood. The inositol 1, 4, 5‐trisphosphate receptor type 2 (ITPR2), an endoplasmic reticulum calcium release channel, was recently shown to critically contribute to the implementation of senescence, but how ITPR2 expression is controlled is unclear. To gain insights into the regulation of ITPR2 expression, we performed an siRNA screen targeting 160 transcription factors and epigenetic regulators. Interestingly, we discovered that the retinoid X receptor alpha (RXRA), which belongs to the nuclear receptor family, represses ITPR2 expression and regulates calcium signaling though ITPR2 and the mitochondrial calcium uniporter (MCU). Knockdown of RXRA induces the production of reactive oxygen species (ROS) and DNA damage via the ITPR2‐MCU calcium signaling axis and consequently triggers cellular senescence by activating p53, whereas RXRA overexpression decreases DNA damage accumulation and then delays replicative senescence. Altogether, our work sheds light on a novel mechanism controlling calcium signaling and cellular senescence and provides new insights into the role of nuclear receptors.
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Affiliation(s)
- Xingjie Ma
- Centre de Recherche en Cancérologie de Lyon, Inserm U1052, CNRS UMR 5286, Centre Léon Bérard; Université de Lyon; Lyon France
| | - Marine Warnier
- Centre de Recherche en Cancérologie de Lyon, Inserm U1052, CNRS UMR 5286, Centre Léon Bérard; Université de Lyon; Lyon France
| | - Clotilde Raynard
- Centre de Recherche en Cancérologie de Lyon, Inserm U1052, CNRS UMR 5286, Centre Léon Bérard; Université de Lyon; Lyon France
| | - Mylène Ferrand
- Centre de Recherche en Cancérologie de Lyon, Inserm U1052, CNRS UMR 5286, Centre Léon Bérard; Université de Lyon; Lyon France
| | - Olivier Kirsh
- Epigenetics and Cell Fate, Sorbonne Paris Cité, CNRS UMR 7216; Université Paris Diderot; Paris France
| | - Pierre-Antoine Defossez
- Epigenetics and Cell Fate, Sorbonne Paris Cité, CNRS UMR 7216; Université Paris Diderot; Paris France
| | - Nadine Martin
- Centre de Recherche en Cancérologie de Lyon, Inserm U1052, CNRS UMR 5286, Centre Léon Bérard; Université de Lyon; Lyon France
| | - David Bernard
- Centre de Recherche en Cancérologie de Lyon, Inserm U1052, CNRS UMR 5286, Centre Léon Bérard; Université de Lyon; Lyon France
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98
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Wang L, Wang L, Chen Q, Chen G, Zhang S, Wu J, Tao S. Identification and comparative analysis of the MCU gene family in pear and its functions during fruit ripening. JOURNAL OF PLANT PHYSIOLOGY 2018; 229:53-62. [PMID: 30036746 DOI: 10.1016/j.jplph.2018.07.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/01/2018] [Revised: 07/10/2018] [Accepted: 07/10/2018] [Indexed: 06/08/2023]
Abstract
Mitochondrial calcium uniporter (MCU) plays an important role in cell senescence and aging in mammals. However, the function of MCU homologs during the ripening and senescence of postharvest fruit had not been characterized until recently. In this study, a comprehensive study was conducted on the characteristics of the MCU family genes in the pear genome. In total, seven PbrMCU genes were identified and classified into two subgroups. Whole-genome duplication (WGD)/segmental duplication is the main driving force behind their expansion. The genes contained various conserved motifs and cis-acting elements, and the correspondent proteins possessed a serial of conserved motifs. A total of six PbrMCUs with diverse expression patterns were detected as the pear fruit ripened. Following the results of the impact of postharvest treatments (ethrel and 1-methylcyclopropene) and transient overexpression of 1-aminocyclopropane-1-carboxylate oxidase 1 gene (PbrACO1), the candidate genes PbrMCU3, PbrMCU4, and PbrMCU7 were determined to be involved in pear ripening. Moreover, the response of mitochondrial calcium uptake 1 (PbrMICU1) transcription to the postharvest treatments was similar to that of PbrMCU4.
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Affiliation(s)
- Li Wang
- Centre of Pear Engineering Technology Research, State Key Laboratory of Crop Genetics and Germplasm Enhancement, Nanjing Agricultural University, Nanjing, Jiangsu, 210095, China
| | - Libin Wang
- Centre of Pear Engineering Technology Research, State Key Laboratory of Crop Genetics and Germplasm Enhancement, Nanjing Agricultural University, Nanjing, Jiangsu, 210095, China
| | - Qian Chen
- Centre of Pear Engineering Technology Research, State Key Laboratory of Crop Genetics and Germplasm Enhancement, Nanjing Agricultural University, Nanjing, Jiangsu, 210095, China
| | - Guodong Chen
- Centre of Pear Engineering Technology Research, State Key Laboratory of Crop Genetics and Germplasm Enhancement, Nanjing Agricultural University, Nanjing, Jiangsu, 210095, China
| | - Shaoling Zhang
- Centre of Pear Engineering Technology Research, State Key Laboratory of Crop Genetics and Germplasm Enhancement, Nanjing Agricultural University, Nanjing, Jiangsu, 210095, China
| | - Juyou Wu
- Centre of Pear Engineering Technology Research, State Key Laboratory of Crop Genetics and Germplasm Enhancement, Nanjing Agricultural University, Nanjing, Jiangsu, 210095, China.
| | - Sutian Tao
- Centre of Pear Engineering Technology Research, State Key Laboratory of Crop Genetics and Germplasm Enhancement, Nanjing Agricultural University, Nanjing, Jiangsu, 210095, China.
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99
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Ikegami R, Shimizu I, Sato T, Yoshida Y, Hayashi Y, Suda M, Katsuumi G, Li J, Wakasugi T, Minokoshi Y, Okamoto S, Hinoi E, Nielsen S, Jespersen NZ, Scheele C, Soga T, Minamino T. Gamma-Aminobutyric Acid Signaling in Brown Adipose Tissue Promotes Systemic Metabolic Derangement in Obesity. Cell Rep 2018; 24:2827-2837.e5. [DOI: 10.1016/j.celrep.2018.08.024] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2017] [Revised: 05/30/2018] [Accepted: 08/08/2018] [Indexed: 12/18/2022] Open
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100
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Roest G, La Rovere RM, Bultynck G, Parys JB. IP 3 Receptor Properties and Function at Membrane Contact Sites. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2018; 981:149-178. [PMID: 29594861 DOI: 10.1007/978-3-319-55858-5_7] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The inositol 1,4,5-trisphosphate (IP3) receptor (IP3R) is a ubiquitously expressed Ca2+-release channel localized in the endoplasmic reticulum (ER). The intracellular Ca2+ signals originating from the activation of the IP3R regulate multiple cellular processes including the control of cell death versus cell survival via their action on apoptosis and autophagy. The exact role of the IP3Rs in these two processes does not only depend on their activity, which is modulated by the cytosolic composition (Ca2+, ATP, redox status, …) and by various types of regulatory proteins, including kinases and phosphatases as well as by a number of oncogenes and tumor suppressors, but also on their intracellular localization, especially at the ER-mitochondrial and ER-lysosomal interfaces. At these interfaces, Ca2+ microdomains are formed, in which the Ca2+ concentration is finely regulated by the different ER, mitochondrial and lysosomal Ca2+-transport systems and also depends on the functional and structural interactions existing between them. In this review, we therefore discuss the most recent insights in the role of Ca2+ signaling in general, and of the IP3R in particular, in the control of basal mitochondrial bioenergetics, apoptosis, and autophagy at the level of inter-organellar contact sites.
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Affiliation(s)
- Gemma Roest
- Laboratory for Molecular and Cellular Signaling, Department of Cellular and Molecular Medicine & Leuven Kanker Instituut, KU Leuven, Leuven, Belgium
| | - Rita M La Rovere
- Laboratory for Molecular and Cellular Signaling, Department of Cellular and Molecular Medicine & Leuven Kanker Instituut, KU Leuven, Leuven, Belgium
| | - Geert Bultynck
- Laboratory for Molecular and Cellular Signaling, Department of Cellular and Molecular Medicine & Leuven Kanker Instituut, KU Leuven, Leuven, Belgium.
| | - Jan B Parys
- Laboratory for Molecular and Cellular Signaling, Department of Cellular and Molecular Medicine & Leuven Kanker Instituut, KU Leuven, Leuven, Belgium.
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