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Williams JN, Irwin M, Li Y, Kambrath AV, Mattingly BT, Patel S, Kittaka M, Collins RN, Clough NA, Doud EH, Mosley AL, Bellido T, Bruzzaniti A, Plotkin LI, Trinidad JC, Thompson WR, Bonewald LF, Sankar U. Osteocyte-Derived CaMKK2 Regulates Osteoclasts and Bone Mass in a Sex-Dependent Manner through Secreted Calpastatin. Int J Mol Sci 2023; 24:4718. [PMID: 36902150 PMCID: PMC10003151 DOI: 10.3390/ijms24054718] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2023] [Revised: 02/17/2023] [Accepted: 02/22/2023] [Indexed: 03/05/2023] Open
Abstract
Calcium/calmodulin (CaM)-dependent protein kinase kinase 2 (CaMKK2) regulates bone remodeling through its effects on osteoblasts and osteoclasts. However, its role in osteocytes, the most abundant bone cell type and the master regulator of bone remodeling, remains unknown. Here we report that the conditional deletion of CaMKK2 from osteocytes using Dentine matrix protein 1 (Dmp1)-8kb-Cre mice led to enhanced bone mass only in female mice owing to a suppression of osteoclasts. Conditioned media isolated from female CaMKK2-deficient osteocytes inhibited osteoclast formation and function in in vitro assays, indicating a role for osteocyte-secreted factors. Proteomics analysis revealed significantly higher levels of extracellular calpastatin, a specific inhibitor of calcium-dependent cysteine proteases calpains, in female CaMKK2 null osteocyte conditioned media, compared to media from female control osteocytes. Further, exogenously added non-cell permeable recombinant calpastatin domain I elicited a marked, dose-dependent inhibition of female wild-type osteoclasts and depletion of calpastatin from female CaMKK2-deficient osteocyte conditioned media reversed the inhibition of matrix resorption by osteoclasts. Our findings reveal a novel role for extracellular calpastatin in regulating female osteoclast function and unravel a novel CaMKK2-mediated paracrine mechanism of osteoclast regulation by female osteocytes.
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Affiliation(s)
- Justin N. Williams
- Department of Anatomy, Cell Biology and Physiology, Indiana University School of Medicine, Indianapolis, IN 46202, USA
- Indiana Center for Musculoskeletal Health, Indiana University School of Medicine, Indianapolis, IN 46202, USA
| | - Mavis Irwin
- Department of Anatomy, Cell Biology and Physiology, Indiana University School of Medicine, Indianapolis, IN 46202, USA
- Indiana Center for Musculoskeletal Health, Indiana University School of Medicine, Indianapolis, IN 46202, USA
| | - Yong Li
- Department of Anatomy, Cell Biology and Physiology, Indiana University School of Medicine, Indianapolis, IN 46202, USA
- Indiana Center for Musculoskeletal Health, Indiana University School of Medicine, Indianapolis, IN 46202, USA
| | - Anuradha Valiya Kambrath
- Department of Anatomy, Cell Biology and Physiology, Indiana University School of Medicine, Indianapolis, IN 46202, USA
- Indiana Center for Musculoskeletal Health, Indiana University School of Medicine, Indianapolis, IN 46202, USA
| | - Brett T. Mattingly
- Department of Anatomy, Cell Biology and Physiology, Indiana University School of Medicine, Indianapolis, IN 46202, USA
- Indiana Center for Musculoskeletal Health, Indiana University School of Medicine, Indianapolis, IN 46202, USA
| | - Sheel Patel
- Department of Anatomy, Cell Biology and Physiology, Indiana University School of Medicine, Indianapolis, IN 46202, USA
- Indiana Center for Musculoskeletal Health, Indiana University School of Medicine, Indianapolis, IN 46202, USA
- Division of Biomedical Science, Marian University College of Osteopathic Medicine, Indianapolis, IN 46022, USA
| | - Mizuho Kittaka
- Indiana Center for Musculoskeletal Health, Indiana University School of Medicine, Indianapolis, IN 46202, USA
- Department of Biomedical Sciences and Comprehensive Care, Indiana University School of Dentistry, Indianapolis, IN 46202, USA
| | - Rebecca N. Collins
- Department of Anatomy, Cell Biology and Physiology, Indiana University School of Medicine, Indianapolis, IN 46202, USA
- Indiana Center for Musculoskeletal Health, Indiana University School of Medicine, Indianapolis, IN 46202, USA
| | - Nicholas A. Clough
- Department of Anatomy, Cell Biology and Physiology, Indiana University School of Medicine, Indianapolis, IN 46202, USA
- Indiana Center for Musculoskeletal Health, Indiana University School of Medicine, Indianapolis, IN 46202, USA
| | - Emma H. Doud
- Department of Biochemistry and Molecular Biology, Indiana University School of Medicine, Indianapolis, IN 46202, USA
| | - Amber L. Mosley
- Department of Biochemistry and Molecular Biology, Indiana University School of Medicine, Indianapolis, IN 46202, USA
| | - Teresita Bellido
- Department of Anatomy, Cell Biology and Physiology, Indiana University School of Medicine, Indianapolis, IN 46202, USA
- Indiana Center for Musculoskeletal Health, Indiana University School of Medicine, Indianapolis, IN 46202, USA
| | - Angela Bruzzaniti
- Indiana Center for Musculoskeletal Health, Indiana University School of Medicine, Indianapolis, IN 46202, USA
- Department of Biomedical Sciences and Comprehensive Care, Indiana University School of Dentistry, Indianapolis, IN 46202, USA
| | - Lilian I. Plotkin
- Department of Anatomy, Cell Biology and Physiology, Indiana University School of Medicine, Indianapolis, IN 46202, USA
- Indiana Center for Musculoskeletal Health, Indiana University School of Medicine, Indianapolis, IN 46202, USA
| | - Jonathan C. Trinidad
- Department of Chemistry, Biological Mass Spectrometry Facility, Indiana University, Bloomington, IN 47405, USA
| | - William R. Thompson
- Indiana Center for Musculoskeletal Health, Indiana University School of Medicine, Indianapolis, IN 46202, USA
- Department of Physical Therapy, School of Health and Human Sciences, Indianapolis, IN 46202, USA
| | - Lynda F. Bonewald
- Department of Anatomy, Cell Biology and Physiology, Indiana University School of Medicine, Indianapolis, IN 46202, USA
- Indiana Center for Musculoskeletal Health, Indiana University School of Medicine, Indianapolis, IN 46202, USA
| | - Uma Sankar
- Department of Anatomy, Cell Biology and Physiology, Indiana University School of Medicine, Indianapolis, IN 46202, USA
- Indiana Center for Musculoskeletal Health, Indiana University School of Medicine, Indianapolis, IN 46202, USA
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Substance P Reduces Infarct Size and Mortality After Ischemic Stroke, Possibly Through the M2 Polarization of Microglia/Macrophages and Neuroprotection in the Ischemic Rat Brain. Cell Mol Neurobiol 2022:10.1007/s10571-022-01284-7. [DOI: 10.1007/s10571-022-01284-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2022] [Accepted: 09/08/2022] [Indexed: 12/12/2022]
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Moretto E, Stuart S, Surana S, Vargas JNS, Schiavo G. The Role of Extracellular Matrix Components in the Spreading of Pathological Protein Aggregates. Front Cell Neurosci 2022; 16:844211. [PMID: 35573838 PMCID: PMC9100790 DOI: 10.3389/fncel.2022.844211] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2021] [Accepted: 03/08/2022] [Indexed: 11/23/2022] Open
Abstract
Several neurodegenerative diseases are characterized by the accumulation of aggregated misfolded proteins. These pathological agents have been suggested to propagate in the brain via mechanisms similar to that observed for the prion protein, where a misfolded variant is transferred from an affected brain region to a healthy one, thereby inducing the misfolding and/or aggregation of correctly folded copies. This process has been characterized for several proteins, such as α-synuclein, tau, amyloid beta (Aβ) and less extensively for huntingtin and TDP-43. α-synuclein, tau, TDP-43 and huntingtin are intracellular proteins, and their aggregates are located in the cytosol or nucleus of neurons. They have been shown to spread between cells and this event occurs, at least partially, via secretion of these protein aggregates in the extracellular space followed by re-uptake. Conversely, Aβ aggregates are found mainly extracellularly, and their spreading occurs in the extracellular space between brain regions. Due to the inherent nature of their spreading modalities, these proteins are exposed to components of the extracellular matrix (ECM), including glycans, proteases and core matrix proteins. These ECM components can interact with or process pathological misfolded proteins, potentially changing their properties and thus regulating their spreading capabilities. Here, we present an overview of the documented roles of ECM components in the spreading of pathological protein aggregates in neurodegenerative diseases with the objective of identifying the current gaps in knowledge and stimulating further research in the field. This could potentially lead to the identification of druggable targets to slow down the spreading and/or progression of these pathologies.
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Affiliation(s)
- Edoardo Moretto
- Institute of Neuroscience, National Research Council, CNR, Milan, Italy
- UK Dementia Research Institute, University College London, London, United Kingdom
- Department of Neuromuscular Diseases, Queen Square Institute of Neurology, University College London, London, United Kingdom
- *Correspondence: Edoardo Moretto,
| | - Skye Stuart
- UK Dementia Research Institute, University College London, London, United Kingdom
- Department of Neuromuscular Diseases, Queen Square Institute of Neurology, University College London, London, United Kingdom
| | - Sunaina Surana
- UK Dementia Research Institute, University College London, London, United Kingdom
- Department of Neuromuscular Diseases, Queen Square Institute of Neurology, University College London, London, United Kingdom
- UCL Queen Square Motor Neuron Disease Centre, University College London, London, United Kingdom
| | - Jose Norberto S. Vargas
- UK Dementia Research Institute, University College London, London, United Kingdom
- Department of Neuromuscular Diseases, Queen Square Institute of Neurology, University College London, London, United Kingdom
- UCL Queen Square Motor Neuron Disease Centre, University College London, London, United Kingdom
| | - Giampietro Schiavo
- UK Dementia Research Institute, University College London, London, United Kingdom
- Department of Neuromuscular Diseases, Queen Square Institute of Neurology, University College London, London, United Kingdom
- UCL Queen Square Motor Neuron Disease Centre, University College London, London, United Kingdom
- Giampietro Schiavo,
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4
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Autoactivation and calpain-1-mediated shedding of hepsin in human hepatoma cells. Biochem J 2019; 476:2355-2369. [DOI: 10.1042/bcj20190375] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2019] [Revised: 08/06/2019] [Accepted: 08/08/2019] [Indexed: 01/19/2023]
Abstract
AbstractHepsin is a transmembrane serine protease implicated in many biological processes, including hepatocyte growth, urinary protein secretion, auditory nerve development, and cancer metastasis. Zymogen activation is critical for hepsin function. To date, how hepsin is activated and regulated in cells remains an enigma. In this study, we conducted site-directed mutagenesis, cell expression, plasma membrane protein labeling, trypsin digestion, Western blotting, and flow cytometry experiments in human hepatoma HepG2 cells, where hepsin was originally discovered, and SMMC-7721 cells. Our results show that hepsin is activated by autocatalysis on the cell surface but not intracellularly. Moreover, we show that hepsin undergoes ectodomain shedding. In the conditioned medium from HepG2 and SMMC-7721 cells, we detected a soluble fragment comprising nearly the entire extracellular region of hepsin. By testing protease inhibitors, gene knockdown, and site-directed mutagenesis, we identified calpain-1 as a primary protease that acted extracellularly to cleave Tyr52 in the juxtamembrane space of hepsin. These results provide new insights into the biochemical and cellular mechanisms that regulate hepsin expression and activity.
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Hanouna G, Tang E, Perez J, Vandermeersch S, Haymann JP, Baud L, Letavernier E. Preventing Calpain Externalization by Reducing ABCA1 Activity with Probenecid Limits Melanoma Angiogenesis and Development. J Invest Dermatol 2019; 140:445-454. [PMID: 31425704 DOI: 10.1016/j.jid.2019.06.148] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2018] [Revised: 05/23/2019] [Accepted: 06/17/2019] [Indexed: 11/17/2022]
Abstract
Calpains, intracellular proteases specifically inhibited by calpastatin, play a major role in neoangiogenesis involved in tumor invasiveness and metastasis. They are partly exteriorized via the ATP-binding cassette transporter A1(ABCA1) transporter, but the importance of this process in tumor growth is still unknown. The aim of our study was to investigate the role of extracellular calpains in a model of melanoma by blocking their extracellular activity or exteriorization. In the first approach, a B16-F10 model of melanoma was developed in transgenic mice expressing high extracellular levels of calpastatin. In these mice, tumor growth was inhibited by ∼ 3-fold compared with wild-type animals. In vitro cytotoxicity assays and in vivo tumor studies have demonstrated that this protection was associated with a defect in tumor neoangiogenesis. Similarly, in wild-type animals given probenecid to blunt ABCA1 activity, melanoma tumor growth was inhibited by ∼ 3-fold. Again, this response was associated with a defect in neoangiogenesis. In vitro studies confirmed that probenecid limited endothelial cell migration and capillary formation from vascular explants. The observed reduction in fibronectin cleavage under these conditions is potentially involved in the response. Collectively, these studies demonstrate that probenecid, by blunting ABCA1 activity and thereby calpain exteriorization, limits melanoma tumor neoangiogenesis and invasiveness.
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Affiliation(s)
- Guillaume Hanouna
- Sorbonne Universités, Université Pierre et Marie Curie, Univ Paris 06, UMR_S 1155 and Inflammation-Immunopathology-Biotherapy Department (DHU i2B), Paris, France; Institut National de la Santé et de la Recherche Médicale, UMR_S 1155, Paris, France
| | - Ellie Tang
- Sorbonne Universités, Université Pierre et Marie Curie, Univ Paris 06, UMR_S 1155 and Inflammation-Immunopathology-Biotherapy Department (DHU i2B), Paris, France; Institut National de la Santé et de la Recherche Médicale, UMR_S 1155, Paris, France
| | - Joëlle Perez
- Sorbonne Universités, Université Pierre et Marie Curie, Univ Paris 06, UMR_S 1155 and Inflammation-Immunopathology-Biotherapy Department (DHU i2B), Paris, France; Institut National de la Santé et de la Recherche Médicale, UMR_S 1155, Paris, France
| | - Sophie Vandermeersch
- Sorbonne Universités, Université Pierre et Marie Curie, Univ Paris 06, UMR_S 1155 and Inflammation-Immunopathology-Biotherapy Department (DHU i2B), Paris, France; Institut National de la Santé et de la Recherche Médicale, UMR_S 1155, Paris, France
| | - Jean-Philippe Haymann
- Sorbonne Universités, Université Pierre et Marie Curie, Univ Paris 06, UMR_S 1155 and Inflammation-Immunopathology-Biotherapy Department (DHU i2B), Paris, France; Institut National de la Santé et de la Recherche Médicale, UMR_S 1155, Paris, France; Assistance Publique - Hôpitaux de Paris, Hôpital Tenon, Paris, France
| | - Laurent Baud
- Sorbonne Universités, Université Pierre et Marie Curie, Univ Paris 06, UMR_S 1155 and Inflammation-Immunopathology-Biotherapy Department (DHU i2B), Paris, France; Institut National de la Santé et de la Recherche Médicale, UMR_S 1155, Paris, France; Assistance Publique - Hôpitaux de Paris, Hôpital Tenon, Paris, France
| | - Emmanuel Letavernier
- Sorbonne Universités, Université Pierre et Marie Curie, Univ Paris 06, UMR_S 1155 and Inflammation-Immunopathology-Biotherapy Department (DHU i2B), Paris, France; Institut National de la Santé et de la Recherche Médicale, UMR_S 1155, Paris, France; Assistance Publique - Hôpitaux de Paris, Hôpital Tenon, Paris, France.
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6
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Ruppert AM, Baud L, Rabbe N, Perez J, Duruisseaux M, Vieira T, Antoine M, Cadranel J, Wislez M. Calpain 1 in bronchoalveolar lavage fluid is associated with poor prognosis in lepidic predominant pulmonary adenocarcinoma. Bull Cancer 2019; 106:179-188. [PMID: 30683309 DOI: 10.1016/j.bulcan.2018.11.014] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2018] [Accepted: 11/14/2018] [Indexed: 11/17/2022]
Abstract
Calpain 1 is a proinflammatory calcium-activated cysteine protease, which can be partly externalized. Extracellular calpains limit inflammatory processes and promote tissue repair, through cell proliferation and migration. Toll like receptor (TLR) 2 has been identified as a target of extracellular calpains in lymphocytes. The aim was to investigate the externalization of calpain 1 and the release of soluble TLR2 during tumor progression of pulmonary lepidic predominant adenocarcinoma (LPA). Extracellular calpain 1, soluble fragment of TLR2 and cytokines were analyzed by ELISA in bronchoalveolar lavage fluid (BALF) supernatants from patients with LPA (n=68). Source of calpain was analyzed by immunohistochemistry and soluble TLR2 by flow cytometry on polymorphonuclear neutrophils (PMN) and human lung cancer cell lines. Extracellular calpain 1, secreted by tumor cells, was associated to tumor progression, neutrophilic inflammation, with a poor prognostic factor on survival (P=0.003). TLR2 was expressed on PMN and tumor cells and decreased after calpain exposure. Soluble fragment of TLR2 in BALF supernatants was correlated to the extracellular calpain 1 concentration (r=0.624; P<0.001), and its high level was associated with tumor progression and a pro-inflammatory environment. Extracellular calpain 1 secreted by tumor cells, could participate in inflammatory microenvironment and tumor progression through TLR2 in LPA.
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Affiliation(s)
- Anne-Marie Ruppert
- Sorbonne université, GRC n(o) 04, Theranoscan, 75252 Paris, France; Hôpitaux universitaires de l'est parisien, hôpital Tenon (AP-HP), service de pneumologie, 75970 Paris, France
| | - Laurent Baud
- Sorbonne Universités, UMR_S1155 and Inflammation-Immunopathology-Biotherapy Department (DHU i2B), 4, rue de la Chine, 75252 Paris, France; Inserm, UMR_S1155, 75020 Paris, France
| | - Nathalie Rabbe
- Sorbonne université, GRC n(o) 04, Theranoscan, 75252 Paris, France; Hôpitaux universitaires de l'est parisien, hôpital Tenon (AP-HP), service de pneumologie, 75970 Paris, France; Paris Descartes université, équipe « cancer, immune control and escape », centre de recherche des Cordeliers, Inserm UMR_S1138, 75006 Paris, France; AP-HP, hôpitaux universitaires Paris centre, hôpital Cochin, unité d'oncologie thoracique, service de pneumologie, 75014 Paris, France
| | - Joëlle Perez
- Sorbonne Universités, UMR_S1155 and Inflammation-Immunopathology-Biotherapy Department (DHU i2B), 4, rue de la Chine, 75252 Paris, France
| | | | - Thibault Vieira
- Sorbonne université, GRC n(o) 04, Theranoscan, 75252 Paris, France
| | - Martine Antoine
- Sorbonne université, GRC n(o) 04, Theranoscan, 75252 Paris, France; AP-HP, hôpitaux universitaires de l'est parisien, hôpital Tenon, service de cytologie et anatomie pathologique, 75970 Paris, France
| | - Jacques Cadranel
- Sorbonne université, GRC n(o) 04, Theranoscan, 75252 Paris, France; Hôpitaux universitaires de l'est parisien, hôpital Tenon (AP-HP), service de pneumologie, 75970 Paris, France
| | - Marie Wislez
- Sorbonne université, GRC n(o) 04, Theranoscan, 75252 Paris, France; Hôpitaux universitaires de l'est parisien, hôpital Tenon (AP-HP), service de pneumologie, 75970 Paris, France; Paris Descartes université, équipe « cancer, immune control and escape », centre de recherche des Cordeliers, Inserm UMR_S1138, 75006 Paris, France; AP-HP, hôpitaux universitaires Paris centre, hôpital Cochin, unité d'oncologie thoracique, service de pneumologie, 75014 Paris, France.
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7
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Wang Q, Da'dara AA, Skelly PJ. The human blood parasite Schistosoma mansoni expresses extracellular tegumental calpains that cleave the blood clotting protein fibronectin. Sci Rep 2017; 7:12912. [PMID: 29018227 PMCID: PMC5635006 DOI: 10.1038/s41598-017-13141-5] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2017] [Accepted: 09/19/2017] [Indexed: 11/09/2022] Open
Abstract
Schistosomes are intravascular, parasitic flatworms that cause debilitating disease afflicting >200 million people. Proteins expressed at the host-parasite interface likely play key roles in modifying the worm's local environment to ensure parasite survival. Proteomic analysis reveals that two proteases belonging to the calpain family (SmCalp1 and SmCalp2) are expressed in the Schistosoma mansoni tegument. We have cloned both; while highly conserved in domain organization they display just 31% amino acid sequence identity. Both display high relative expression in the parasite's intravascular life forms. Immunolocalization and activity based protein profiling experiments confirm the presence of the enzymes at the host-parasite interface. Living parasites exhibit surface calpain activity that is blocked in the absence of calcium and in the presence of calpain inhibitors (E64c, PD 150606 and calpastatin). While calpains are invariably reported to be exclusively intracellular (except in diseased or injured tissues), our data show that schistosomes display unique, constitutive, functional extracellular calpain activity. Furthermore we show that the worms are capable of cleaving the host blood clotting protein fibronectin and that this activity can be inhibited by E64c. We hypothesize that SmCalp1 and/or SmCalp2 perform this cleavage function to impede blood clot formation around the worms in vivo.
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Affiliation(s)
- Qiang Wang
- Molecular Helminthology Laboratory, Department of Infectious Disease and Global Health, Cummings School of Veterinary Medicine, Tufts University, North Grafton, MA, 01536, USA
| | - Akram A Da'dara
- Molecular Helminthology Laboratory, Department of Infectious Disease and Global Health, Cummings School of Veterinary Medicine, Tufts University, North Grafton, MA, 01536, USA
| | - Patrick J Skelly
- Molecular Helminthology Laboratory, Department of Infectious Disease and Global Health, Cummings School of Veterinary Medicine, Tufts University, North Grafton, MA, 01536, USA.
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Lamothe SM, Song W, Guo J, Li W, Yang T, Baranchuk A, Graham CH, Zhang S. Hypoxia reduces mature hERG channels through calpain up‐regulation. FASEB J 2017; 31:5068-5077. [DOI: 10.1096/fj.201700255r] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2017] [Accepted: 07/17/2017] [Indexed: 01/07/2023]
Affiliation(s)
- Shawn M. Lamothe
- Department of Biomedical and Molecular SciencesQueen’s UniversityKingstonOntarioCanada
| | - WonJu Song
- Department of Biomedical and Molecular SciencesQueen’s UniversityKingstonOntarioCanada
| | - Jun Guo
- Department of Biomedical and Molecular SciencesQueen’s UniversityKingstonOntarioCanada
| | - Wentao Li
- Department of Biomedical and Molecular SciencesQueen’s UniversityKingstonOntarioCanada
| | - Tonghua Yang
- Department of Biomedical and Molecular SciencesQueen’s UniversityKingstonOntarioCanada
| | - Adrian Baranchuk
- Department of Medicine, Kingston General HospitalQueen’s UniversityKingstonOntarioCanada
| | - Charles H. Graham
- Department of Biomedical and Molecular SciencesQueen’s UniversityKingstonOntarioCanada
| | - Shetuan Zhang
- Department of Biomedical and Molecular SciencesQueen’s UniversityKingstonOntarioCanada
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Kumar V, Ahmad A. Targeting calpains: A novel immunomodulatory approach for microbial infections. Eur J Pharmacol 2017; 814:28-44. [PMID: 28789934 DOI: 10.1016/j.ejphar.2017.08.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2017] [Revised: 08/01/2017] [Accepted: 08/03/2017] [Indexed: 02/09/2023]
Abstract
Calpains are a family of Ca2+ dependent cytosolic non-lysosomal proteases with well conserved cysteine-rich domains for enzymatic activity. Due to their functional dependency on Ca2+ concentrations, they are involved in various cellular processes that are regulated by intracellular ca2+ concentration (i.e. embryo development, cell development and migration, maintenance of cellular architecture and structure etc.). Calpains are widely studied proteases in mammalian (i.e. mouse and human) physiology and pathophysiology due to their ubiquitous presence. For example, these proteases have been found to be involved in various inflammatory disorders such as neurodegeneration, cancer, brain and myocardial ischemia and infarction, cataract and muscular dystrophies etc. Besides their role in these sterile inflammatory conditions, calpains have also been shown to regulate a wide range of infectious diseases (i.e. sepsis, tuberculosis, gonorrhoea and bacillary dysentery etc.). One of these regulatory mechanisms mediated by calpains (i.e. calpain 1 and 2) during microbial infections involves the regulation of innate immune response, inflammation and cell death. Thus, the major emphasis of this review is to highlight the importance of calpains in the pathogenesis of various microbial (i.e. bacterial, fungal and viral) diseases and the use of calpain modulators as potential immunomodulators in microbial infections.
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Affiliation(s)
- Vijay Kumar
- Department of Paediatrics and Child Health, Children's Health Queensland Clinical Unit, School of Medicine, University of Queensland, Brisbane, Queensland, Australia.
| | - Ali Ahmad
- Laboratory of innate immunity, CHU Ste-Justine Research Center/Department of Microbiology, Infectious Diseases and Immunology, University of Montreal, 3175 Cote Ste Catherine, Montreal, Quebec, Canada H3T 1C5.
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Shih CH, Chiang TB, Wang WJ. Convulxin, a C-type lectin-like protein, inhibits HCASMCs functions via WAD-motif/integrin-αv interaction and NF-κB-independent gene suppression of GRO and IL-8. Exp Cell Res 2017; 352:234-244. [PMID: 28192121 DOI: 10.1016/j.yexcr.2017.02.008] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2016] [Revised: 01/25/2017] [Accepted: 02/07/2017] [Indexed: 01/13/2023]
Abstract
Convulxin (CVX), a C-type lectin-like protein (CLPs), is a potent platelet aggregation inducer. To evaluate its potential applications in angiogenic diseases, the multimeric CVX were further explored on its mode of actions toward human coronary artery smooth muscle cells (HCASMCs). The N-terminus of β-chain of CVX (CVX-β) contains a putative disintegrin-like domain with a conserved motif upon the sequence comparison with other CLPs. Importantly, native CVX had no cytotoxic activity as examined by electrophoretic pattern. A Trp-Ala-Asp (WAD)-containing octapeptide, MTWADAEK, was thereafter synthesized and analyzed in functional assays. In the case of specific integrin antagonists as positive controls, the anti-angiogenic effects of CVX on HCASMCs were investigated by series of functional analyses. CVX showed to exhibit multiple inhibitory activities toward HCASMCs proliferation, adhesion and invasion with a dose- and integrin αvβ3-dependent fashion. However, the WAD-octapeptide exerting a minor potency could also work as an active peptidomimetic. In addition, flow cytometric analysis demonstrated both the intact CVX and synthetic peptide can specifically interact with integrin-αv on HCASMCs and CVX was shown to have a down-regulatory effect on the gene expression of CXC-chemokines, such as growth-related oncogene and interleukin-8. According to nuclear factor-κB (NF-κB) p65 translocation assay and Western blotting analysis, the NF-κB activation was not involved in the signaling events of CVX-induced gene expression. In conclusion, CVX may act as a disintegrin-like protein via the interactions of WAD-motif in CVX-β with integrin-αv on HCASMCs and it also is a gene suppressor with the ability to diminish the expression of two CXC-chemokines in a NF-κB-independent manner. Indeed, more extensive investigations are needed and might create a new avenue for the development of a novel angiostatic agent.
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Affiliation(s)
- Chun-Ho Shih
- Chang Gung University of Science and Technology, Guishan Dist., Taoyuan City, Taiwan
| | - Tin-Bin Chiang
- Chang Gung University of Science and Technology, Guishan Dist., Taoyuan City, Taiwan
| | - Wen-Jeng Wang
- Chang Gung University of Science and Technology, Guishan Dist., Taoyuan City, Taiwan; Department of Neurological Surgery, Chang Gung Memorial Hospital, Guishan Dist., Taoyuan City, Taiwan.
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Gagat M, Grzanka D, Izdebska M, Sroka WD, Hałas-Wiśniewska M, Grzanka A. Tropomyosin-1 protects transformed alveolar epithelial cells against cigaret smoke extract through the stabilization of F-actin-dependent cell-cell junctions. Acta Histochem 2016; 118:225-35. [PMID: 26805581 DOI: 10.1016/j.acthis.2016.01.003] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2015] [Revised: 01/13/2016] [Accepted: 01/13/2016] [Indexed: 01/07/2023]
Abstract
The aim of the study was to estimate the effect of tropomyosin-1-based structural stabilization of F-actin in transformed human alveolar epithelial line H1299 cells subjected to high oxidative stress induced by cigaret smoke extract. We demonstrated here that cigaret smoke extract induces cell shrinking and detachment as a consequence of F-actin cytoskeleton degradation in H1299 cells not overexpressing tropomyosin-1. Furthermore, the treatment of these cells with cigaret smoke extract resulted in the loss of peripheral localization of ZO-1 and initiated apoptosis. In contrast, structural stabilization of F-actin, by overexpression of tropomyosin-1, preserved cell to cell interactions through the attenuation of cortical actin organization into thin fibers and thus protected these cells against oxidative stress-induced degradation of actin cytoskeleton and cell death. In conclusion, we suggest that structural stabilization of thin cortical F-actin fibers increases link between tight junctions proteins and actin cytoskeleton and thus protects H1299 cells against cigaret smoke extract.
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Affiliation(s)
- Maciej Gagat
- Department of Histology and Embryology, Nicolaus Copernicus University in Toruń, Collegium Medicum in Bydgoszcz, Faculty of Medicine, Bydgoszcz, Poland
| | - Dariusz Grzanka
- Department and Clinic of Dermatology, Sexually Transmitted Diseases and Immunodermatology, Nicolaus Copernicus University in Toruń, Collegium Medicum in Bydgoszcz, Faculty of Medicine, Bydgoszcz, Poland
| | - Magdalena Izdebska
- Department of Histology and Embryology, Nicolaus Copernicus University in Toruń, Collegium Medicum in Bydgoszcz, Faculty of Medicine, Bydgoszcz, Poland
| | - Wiktor Dariusz Sroka
- Department of Medicinal Chemistry, Nicolaus Copernicus University in Toruń, Collegium Medicum in Bydgoszcz, Faculty of Pharmacy, Bydgoszcz, Poland
| | - Marta Hałas-Wiśniewska
- Department of Histology and Embryology, Nicolaus Copernicus University in Toruń, Collegium Medicum in Bydgoszcz, Faculty of Medicine, Bydgoszcz, Poland
| | - Alina Grzanka
- Department of Histology and Embryology, Nicolaus Copernicus University in Toruń, Collegium Medicum in Bydgoszcz, Faculty of Medicine, Bydgoszcz, Poland.
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Perez J, Dansou B, Hervé R, Levi C, Tamouza H, Vandermeersch S, Demey-Thomas E, Haymann JP, Zafrani L, Klatzmann D, Boissier MC, Letavernier E, Baud L. Calpains Released by T Lymphocytes Cleave TLR2 To Control IL-17 Expression. THE JOURNAL OF IMMUNOLOGY 2015; 196:168-81. [DOI: 10.4049/jimmunol.1500749] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/02/2015] [Accepted: 10/30/2015] [Indexed: 02/06/2023]
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Wan TT, Li XF, Sun YM, Li YB, Su Y. Role of the calpain on the development of diabetes mellitus and its chronic complications. Biomed Pharmacother 2015; 74:187-90. [PMID: 26349983 DOI: 10.1016/j.biopha.2015.08.008] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2015] [Accepted: 08/03/2015] [Indexed: 12/26/2022] Open
Abstract
Diabetes mellitus (DM) is associated with acute and chronic complications that cause major morbidity and significant mortality. Calpains, a family of Ca(2+)-dependent cytosolic cysteine proteases, can modulate their substrates' structure and function through limited proteolytic activity. Calpain is a ubiquitous calcium-sensitive protease that is essential for normal physiologic function. However, alterations in calcium homeostasis lead to pathologic activation of calpain in diabetes mellitus. Since not much is known on the relationship between calpain and diabetes mellitus, this review outlines the contribution of calpain to chronic complications of diabetes mellitus, such as diabetic cardiomyopathy, diabetic nephropathy and diabetic retinopathy.
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Affiliation(s)
- Ting-Ting Wan
- Department of Endocrinology, The First Affiliated Hospital of Harbin Medical University, Harbin, 150001, China
| | - Xiu-Fen Li
- Department of Endocrinology, The First Affiliated Hospital of Harbin Medical University, Harbin, 150001, China
| | - Yan-Ming Sun
- Department of Cardiology, the First Clinical Hospital of Harbin Medical University, Harbin, 150086, China
| | - Yan-Bo Li
- Department of Endocrinology, The First Affiliated Hospital of Harbin Medical University, Harbin, 150001, China
| | - Ying Su
- Department of Endocrinology, The First Affiliated Hospital of Harbin Medical University, Harbin, 150001, China.
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Raimbourg Q, Perez J, Vandermeersch S, Prignon A, Hanouna G, Haymann JP, Baud L, Letavernier E. The calpain/calpastatin system has opposing roles in growth and metastatic dissemination of melanoma. PLoS One 2013; 8:e60469. [PMID: 23565252 PMCID: PMC3614974 DOI: 10.1371/journal.pone.0060469] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2012] [Accepted: 02/26/2013] [Indexed: 11/18/2022] Open
Abstract
Conventional calpains are ubiquitous cysteine proteases whose activity is promoted by calcium signaling and specifically limited by calpastatin. Calpain expression has been shown to be increased in human malignant cells, but the contribution of the calpain/calpastatin system in tumorigenesis remains unclear. It may play an important role in tumor cells themselves (cell growth, migration, and a contrario cell death) and/or in tumor niche (tissue infiltration by immune cells, neo-angiogenesis). In this study, we have used a mouse model of melanoma as a tool to gain further understanding of the role of calpains in tumor progression. To determine the respective importance of each target, we overexpressed calpastatin in tumor and/or host in isolation. Our data demonstrate that calpain inhibition in both tumor and host blunts tumor growth, while paradoxically increasing metastatic dissemination to regional lymph nodes. Specifically, calpain inhibition in melanoma cells limits tumor growth in vitro and in vivo but increases dissemination by amplifying cell resistance to apoptosis and accelerating migration process. Meanwhile, calpain inhibition restricted to host cells blunts tumor infiltration by immune cells and angiogenesis required for antitumor immunity, allowing tumor cells to escape tumor niche and disseminate. The development of highly specific calpain inhibitors with potential medical applications in cancer should take into account the opposing roles of the calpain/calpastatin system in initial tumor growth and subsequent metastatic dissemination.
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Affiliation(s)
- Quentin Raimbourg
- Unité Mixte de Recherche 702 (UMR S 702), Université Pierre-et-Marie-Curie Paris VI et Institut National de la Santé et de la Recherche Médicale, Hôpital Tenon, Paris, France
| | - Joëlle Perez
- Unité Mixte de Recherche 702 (UMR S 702), Université Pierre-et-Marie-Curie Paris VI et Institut National de la Santé et de la Recherche Médicale, Hôpital Tenon, Paris, France
| | - Sophie Vandermeersch
- Unité Mixte de Recherche 702 (UMR S 702), Université Pierre-et-Marie-Curie Paris VI et Institut National de la Santé et de la Recherche Médicale, Hôpital Tenon, Paris, France
| | - Aurélie Prignon
- Département de Médecine Nucléaire et Université Pierre-et-Marie-Curie Paris VI, Hôpital Tenon, Paris, France
| | - Guillaume Hanouna
- Unité Mixte de Recherche 702 (UMR S 702), Université Pierre-et-Marie-Curie Paris VI et Institut National de la Santé et de la Recherche Médicale, Hôpital Tenon, Paris, France
| | - Jean-Philippe Haymann
- Unité Mixte de Recherche 702 (UMR S 702), Université Pierre-et-Marie-Curie Paris VI, Institut National de la Santé et de la Recherche Médicale et Assistance Publique des Hôpitaux de Paris, Hôpital Tenon, Paris, France
| | - Laurent Baud
- Unité Mixte de Recherche 702 (UMR S 702), Université Pierre-et-Marie-Curie Paris VI, Institut National de la Santé et de la Recherche Médicale et Assistance Publique des Hôpitaux de Paris, Hôpital Tenon, Paris, France
| | - Emmanuel Letavernier
- Unité Mixte de Recherche 702 (UMR S 702), Université Pierre-et-Marie-Curie Paris VI, Institut National de la Santé et de la Recherche Médicale et Assistance Publique des Hôpitaux de Paris, Hôpital Tenon, Paris, France
- * E-mail:
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Shih CH, Chiang TB, Wang WJ. Inhibition of integrins αv/α5-dependent functions in melanoma cells by an ECD-disintegrin acurhagin-C. Matrix Biol 2013; 32:152-9. [PMID: 23333557 DOI: 10.1016/j.matbio.2013.01.001] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2012] [Revised: 12/23/2012] [Accepted: 01/02/2013] [Indexed: 11/19/2022]
Abstract
Acurhagin-C, a Glu-Cys-Asp (ECD)-disintegrin from Agkistrodon acutus venom, has been reported as an endothelial apoptosis inducer, previously. Here we further evaluate its potential applications in cancer therapy. In vitro assays indicated that acurhagin-C not only may influence the cell viability at higher concentration, but also can potently and dose-dependently decrease cell proliferation in murine B16-F10 melanoma. Otherwise, it also had a dose-dependent inhibition on B16-F10 cell adhesion to extracellular matrices, collagen VI, gelatin B and fibronectin, as well as disturbed transendothelial migration of B16-F10 cell. Morphological study found that acurhagin-C dramatically affected B16-F10 cell adhesion to immobilized fibronectin, leading to the formation of multicellular aggregates with rounded shape. Detected by flow cytometry, acurhagin-C was able to induce B16-F10 cell apoptosis and alter cell cycle distribution through its interactions with integrins αv/α5, and thereafter initiation the apoptotic pathways of caspase-8/-9. Furthermore, acurhagin-C could synergistically enhance the anti-proliferative activity of methotrexate in B16-F10 cells and human melanoma SK-MEL-1 cells, without diminishing the growth of human epidermal melanocytes. Taken together, acurhagin-C proved to be a potent inhibitor of integrin-based functions in melanoma cells by activating the complex apoptotic pathways.
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Affiliation(s)
- Chun-Ho Shih
- Chang Gung University of Science and Technology, Kwei-Shan, Tao-Yuan, Taiwan
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16
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Letavernier B, Zafrani L, Nassar D, Perez J, Levi C, Bellocq A, Mesnard L, Sachon E, Haymann JP, Aractingi S, Faussat AM, Baud L, Letavernier E. Calpains Contribute to Vascular Repair in Rapidly Progressive Form of Glomerulonephritis: Potential Role of Their Externalization. Arterioscler Thromb Vasc Biol 2012; 32:335-42. [DOI: 10.1161/atvbaha.111.240242] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Béatrice Letavernier
- From the INSERM (B.L., L.Z., J.P., C.L., A.B., L.M., J.-P.H., L.B., E.L.), U702, Paris, France; Université Pierre et Marie Curie-Paris 6 (B.L., L.Z., J.P., C.L., A.B., L.M., J.-P.H., L.B., E.L.), UMRS702, Paris, France; AP HP (A.B., J.-P.H., L.B., E.L.), Tenon Hospital, Department of Physiology, Paris, France; Université Pierre et Marie Curie-Paris 6 and INSERM UMR_S938 (D.N., S.A.), Saint-Antoine Research Centre, Paris, France; Université Pierre et Marie Curie-Paris 6 (E.S.), UMR7203 CNRS, Paris,
| | - Lara Zafrani
- From the INSERM (B.L., L.Z., J.P., C.L., A.B., L.M., J.-P.H., L.B., E.L.), U702, Paris, France; Université Pierre et Marie Curie-Paris 6 (B.L., L.Z., J.P., C.L., A.B., L.M., J.-P.H., L.B., E.L.), UMRS702, Paris, France; AP HP (A.B., J.-P.H., L.B., E.L.), Tenon Hospital, Department of Physiology, Paris, France; Université Pierre et Marie Curie-Paris 6 and INSERM UMR_S938 (D.N., S.A.), Saint-Antoine Research Centre, Paris, France; Université Pierre et Marie Curie-Paris 6 (E.S.), UMR7203 CNRS, Paris,
| | - Dany Nassar
- From the INSERM (B.L., L.Z., J.P., C.L., A.B., L.M., J.-P.H., L.B., E.L.), U702, Paris, France; Université Pierre et Marie Curie-Paris 6 (B.L., L.Z., J.P., C.L., A.B., L.M., J.-P.H., L.B., E.L.), UMRS702, Paris, France; AP HP (A.B., J.-P.H., L.B., E.L.), Tenon Hospital, Department of Physiology, Paris, France; Université Pierre et Marie Curie-Paris 6 and INSERM UMR_S938 (D.N., S.A.), Saint-Antoine Research Centre, Paris, France; Université Pierre et Marie Curie-Paris 6 (E.S.), UMR7203 CNRS, Paris,
| | - Joëlle Perez
- From the INSERM (B.L., L.Z., J.P., C.L., A.B., L.M., J.-P.H., L.B., E.L.), U702, Paris, France; Université Pierre et Marie Curie-Paris 6 (B.L., L.Z., J.P., C.L., A.B., L.M., J.-P.H., L.B., E.L.), UMRS702, Paris, France; AP HP (A.B., J.-P.H., L.B., E.L.), Tenon Hospital, Department of Physiology, Paris, France; Université Pierre et Marie Curie-Paris 6 and INSERM UMR_S938 (D.N., S.A.), Saint-Antoine Research Centre, Paris, France; Université Pierre et Marie Curie-Paris 6 (E.S.), UMR7203 CNRS, Paris,
| | - Charlène Levi
- From the INSERM (B.L., L.Z., J.P., C.L., A.B., L.M., J.-P.H., L.B., E.L.), U702, Paris, France; Université Pierre et Marie Curie-Paris 6 (B.L., L.Z., J.P., C.L., A.B., L.M., J.-P.H., L.B., E.L.), UMRS702, Paris, France; AP HP (A.B., J.-P.H., L.B., E.L.), Tenon Hospital, Department of Physiology, Paris, France; Université Pierre et Marie Curie-Paris 6 and INSERM UMR_S938 (D.N., S.A.), Saint-Antoine Research Centre, Paris, France; Université Pierre et Marie Curie-Paris 6 (E.S.), UMR7203 CNRS, Paris,
| | - Agnès Bellocq
- From the INSERM (B.L., L.Z., J.P., C.L., A.B., L.M., J.-P.H., L.B., E.L.), U702, Paris, France; Université Pierre et Marie Curie-Paris 6 (B.L., L.Z., J.P., C.L., A.B., L.M., J.-P.H., L.B., E.L.), UMRS702, Paris, France; AP HP (A.B., J.-P.H., L.B., E.L.), Tenon Hospital, Department of Physiology, Paris, France; Université Pierre et Marie Curie-Paris 6 and INSERM UMR_S938 (D.N., S.A.), Saint-Antoine Research Centre, Paris, France; Université Pierre et Marie Curie-Paris 6 (E.S.), UMR7203 CNRS, Paris,
| | - Laurent Mesnard
- From the INSERM (B.L., L.Z., J.P., C.L., A.B., L.M., J.-P.H., L.B., E.L.), U702, Paris, France; Université Pierre et Marie Curie-Paris 6 (B.L., L.Z., J.P., C.L., A.B., L.M., J.-P.H., L.B., E.L.), UMRS702, Paris, France; AP HP (A.B., J.-P.H., L.B., E.L.), Tenon Hospital, Department of Physiology, Paris, France; Université Pierre et Marie Curie-Paris 6 and INSERM UMR_S938 (D.N., S.A.), Saint-Antoine Research Centre, Paris, France; Université Pierre et Marie Curie-Paris 6 (E.S.), UMR7203 CNRS, Paris,
| | - Emmanuelle Sachon
- From the INSERM (B.L., L.Z., J.P., C.L., A.B., L.M., J.-P.H., L.B., E.L.), U702, Paris, France; Université Pierre et Marie Curie-Paris 6 (B.L., L.Z., J.P., C.L., A.B., L.M., J.-P.H., L.B., E.L.), UMRS702, Paris, France; AP HP (A.B., J.-P.H., L.B., E.L.), Tenon Hospital, Department of Physiology, Paris, France; Université Pierre et Marie Curie-Paris 6 and INSERM UMR_S938 (D.N., S.A.), Saint-Antoine Research Centre, Paris, France; Université Pierre et Marie Curie-Paris 6 (E.S.), UMR7203 CNRS, Paris,
| | - Jean-Philippe Haymann
- From the INSERM (B.L., L.Z., J.P., C.L., A.B., L.M., J.-P.H., L.B., E.L.), U702, Paris, France; Université Pierre et Marie Curie-Paris 6 (B.L., L.Z., J.P., C.L., A.B., L.M., J.-P.H., L.B., E.L.), UMRS702, Paris, France; AP HP (A.B., J.-P.H., L.B., E.L.), Tenon Hospital, Department of Physiology, Paris, France; Université Pierre et Marie Curie-Paris 6 and INSERM UMR_S938 (D.N., S.A.), Saint-Antoine Research Centre, Paris, France; Université Pierre et Marie Curie-Paris 6 (E.S.), UMR7203 CNRS, Paris,
| | - Selim Aractingi
- From the INSERM (B.L., L.Z., J.P., C.L., A.B., L.M., J.-P.H., L.B., E.L.), U702, Paris, France; Université Pierre et Marie Curie-Paris 6 (B.L., L.Z., J.P., C.L., A.B., L.M., J.-P.H., L.B., E.L.), UMRS702, Paris, France; AP HP (A.B., J.-P.H., L.B., E.L.), Tenon Hospital, Department of Physiology, Paris, France; Université Pierre et Marie Curie-Paris 6 and INSERM UMR_S938 (D.N., S.A.), Saint-Antoine Research Centre, Paris, France; Université Pierre et Marie Curie-Paris 6 (E.S.), UMR7203 CNRS, Paris,
| | - Anne-Marie Faussat
- From the INSERM (B.L., L.Z., J.P., C.L., A.B., L.M., J.-P.H., L.B., E.L.), U702, Paris, France; Université Pierre et Marie Curie-Paris 6 (B.L., L.Z., J.P., C.L., A.B., L.M., J.-P.H., L.B., E.L.), UMRS702, Paris, France; AP HP (A.B., J.-P.H., L.B., E.L.), Tenon Hospital, Department of Physiology, Paris, France; Université Pierre et Marie Curie-Paris 6 and INSERM UMR_S938 (D.N., S.A.), Saint-Antoine Research Centre, Paris, France; Université Pierre et Marie Curie-Paris 6 (E.S.), UMR7203 CNRS, Paris,
| | - Laurent Baud
- From the INSERM (B.L., L.Z., J.P., C.L., A.B., L.M., J.-P.H., L.B., E.L.), U702, Paris, France; Université Pierre et Marie Curie-Paris 6 (B.L., L.Z., J.P., C.L., A.B., L.M., J.-P.H., L.B., E.L.), UMRS702, Paris, France; AP HP (A.B., J.-P.H., L.B., E.L.), Tenon Hospital, Department of Physiology, Paris, France; Université Pierre et Marie Curie-Paris 6 and INSERM UMR_S938 (D.N., S.A.), Saint-Antoine Research Centre, Paris, France; Université Pierre et Marie Curie-Paris 6 (E.S.), UMR7203 CNRS, Paris,
| | - Emmanuel Letavernier
- From the INSERM (B.L., L.Z., J.P., C.L., A.B., L.M., J.-P.H., L.B., E.L.), U702, Paris, France; Université Pierre et Marie Curie-Paris 6 (B.L., L.Z., J.P., C.L., A.B., L.M., J.-P.H., L.B., E.L.), UMRS702, Paris, France; AP HP (A.B., J.-P.H., L.B., E.L.), Tenon Hospital, Department of Physiology, Paris, France; Université Pierre et Marie Curie-Paris 6 and INSERM UMR_S938 (D.N., S.A.), Saint-Antoine Research Centre, Paris, France; Université Pierre et Marie Curie-Paris 6 (E.S.), UMR7203 CNRS, Paris,
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Pathogenic old world hantaviruses infect renal glomerular and tubular cells and induce disassembling of cell-to-cell contacts. J Virol 2011; 85:9811-23. [PMID: 21775443 DOI: 10.1128/jvi.00568-11] [Citation(s) in RCA: 56] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023] Open
Abstract
Viral hemorrhagic fevers are characterized by enhanced permeability. One of the most affected target organs of hantavirus-induced hemorrhagic fever with renal syndrome is the kidney, and an infection often results in acute renal failure. To study the underlying cellular effects leading to kidney dysfunction, we infected human renal cell types in vitro that are critical for the barrier functions of the kidney, and we examined kidney biopsy specimens obtained from hantavirus-infected patients. We analyzed the infection and pathogenic effects in tubular epithelial and glomerular endothelial renal cells and in podocytes. Both epithelial and endothelial cells and podocytes were susceptible to hantavirus infection in vitro. The infection disturbed the structure and integrity of cell-to-cell contacts, as demonstrated by redistribution and reduction of the tight junction protein ZO-1 and the decrease in the transepithelial resistance in infected epithelial monolayers. An analysis of renal biopsy specimens from hantavirus-infected patients revealed that the expression and the localization of the tight junction protein ZO-1 were altered compared to renal biopsy specimens from noninfected individuals. Both tubular and glomerular cells were affected by the infection. Furthermore, the decrease in glomerular ZO-1 correlates with disease severity induced by glomerular dysfunction. The finding that different renal cell types are susceptible to hantaviral infection and the fact that infection results in the breakdown of cell-to-cell contacts provide useful insights in hantaviral pathogenesis.
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Wang WJ. Acurhagin-C, an ECD disintegrin, inhibits integrin alphavbeta3-mediated human endothelial cell functions by inducing apoptosis via caspase-3 activation. Br J Pharmacol 2010; 160:1338-51. [PMID: 20590625 DOI: 10.1111/j.1476-5381.2010.00781.x] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023] Open
Abstract
BACKGROUND AND PURPOSE Acurhagin, a member of versatile metalloproteinase disintegrins from Agkistrodon acutus venom, has been identified as a platelet aggregation inhibitor, previously. Here, acurhagin-C, the C-terminal Glu-Cys-Asp (ECD)-containing fragment of acurhagin, was evaluated for its biological activities and potential applications in anti-angiogenic therapy. EXPERIMENTAL APPROACH Human umbilical vein endothelial cells (HUVECs) were treated with acurhagin-C to assay effects on viability, apoptosis, adhesion, migration, invasion, proliferation and angiogenesis. The recognition site and signalling involved for the interactions of acurhagin-C with HUVEC were determined using flow cytometric, electrophoresis and immunoblotting analyses. KEY RESULTS Acurhagin-C decreased viability and induced apoptosis in HUVEC. It also dose-dependently inhibited HUVEC adhesion to immobilized extracellular matrices fibronectin, collagen I and vitronectin with respective IC(50) values of approximately 0.6, 0.3 and 0.1 microM. Acurhagin-C prevented migration and invasion of HUVEC through vitronectin- and Matrigel-coated barriers respectively. Furthermore, acurhagin-C attenuated fibroblast growth factor-2-primed angiogenesis both in vitro and in vivo, and specifically blocked the binding of anti-alphavbeta3 monoclonal antibody 23C6 to HUVEC in an ECD-dependent manner. However, purified alphavbeta3 also dose-dependently bound to immobilized acurhagin and acurhagin-C with a saturable pattern. Interference with integrin alphavbeta3-mediated functions and promotion of caspase-3 activation by acurhagin-C affected morphology of HUVEC and induced apoptosis. CONCLUSIONS AND IMPLICATIONS Acurhagin-C elicited endothelial anoikis via disruption of alphavbeta3/focal adhesion kinase/phosphatidylinositol 3-kinase/Akt survival cascade and subsequent initiation of the procaspase-3 apoptotic signalling pathway.
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Affiliation(s)
- Wen-Jeng Wang
- Department of Nutrition and Health Sciences, Chang-Gung Institute of Technology, Kwei-Shan, Tao-Yuan, Taiwan.
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Nawabi H, Briançon-Marjollet A, Clark C, Sanyas I, Takamatsu H, Okuno T, Kumanogoh A, Bozon M, Takeshima K, Yoshida Y, Moret F, Abouzid K, Castellani V. A midline switch of receptor processing regulates commissural axon guidance in vertebrates. Genes Dev 2010; 24:396-410. [PMID: 20159958 DOI: 10.1101/gad.542510] [Citation(s) in RCA: 129] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Commissural axon guidance requires complex modulations of growth cone sensitivity to midline-derived cues, but underlying mechanisms in vertebrates remain largely unknown. By using combinations of ex vivo and in vivo approaches, we uncovered a molecular pathway controlling the gain of response to a midline repellent, Semaphorin3B (Sema3B). First, we provide evidence that Semaphorin3B/Plexin-A1 signaling participates in the guidance of commissural projections at the vertebrate ventral midline. Second, we show that, at the precrossing stage, commissural neurons synthesize the Neuropilin-2 and Plexin-A1 Semaphorin3B receptor subunits, but Plexin-A1 expression is prevented by a calpain1-mediated processing, resulting in silencing commissural responsiveness. Third, we report that, during floor plate (FP) in-growth, calpain1 activity is suppressed by local signals, allowing Plexin-A1 accumulation in the growth cone and sensitization to Sema3B. Finally, we show that the FP cue NrCAM mediates the switch of Plexin-A1 processing underlying growth cone sensitization to Sema3B. This reveals pathway-dependent modulation of guidance receptor processing as a novel mechanism for regulating guidance decisions at intermediate targets.
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Affiliation(s)
- Homaira Nawabi
- University of Lyon, University of Lyon 1, Claude Bernard Lyon1, CGMC, UMR, CNRS 5534, F-69000 Lyon, France
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Lee SJ, Kwon CH, Kim YK. Alterations in membrane transport function and cell viability induced by ATP depletion in primary cultured rabbit renal proximal tubular cells. THE KOREAN JOURNAL OF PHYSIOLOGY & PHARMACOLOGY : OFFICIAL JOURNAL OF THE KOREAN PHYSIOLOGICAL SOCIETY AND THE KOREAN SOCIETY OF PHARMACOLOGY 2009; 13:15-22. [PMID: 19885021 DOI: 10.4196/kjpp.2009.13.1.15] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
This study was undertaken to elucidate the underlying mechanisms of ATP depletion-induced membrane transport dysfunction and cell death in renal proximal tubular cells. ATP depletion was induced by incubating cells with 2.5 mM potassium cyanide (KCN)/0.1 mM iodoacetic acid (IAA), and membrane transport function and cell viability were evaluated by measuring Na(+)-dependent phosphate uptake and trypan blue exclusion, respectively. ATP depletion resulted in a decrease in Na(+)-dependent phosphate uptake and cell viability in a time-dependent manner. ATP depletion inhibited Na(+)-dependent phosphate uptake in cells, when treated with 2 mM ouabain, a Na(+) pump-specific inhibitor, suggesting that ATP depletion impairs membrane transport functional integrity. Alterations in Na(+)-dependent phosphate uptake and cell viability induced by ATP depletion were prevented by the hydrogen peroxide scavenger such as catalase and the hydroxyl radical scavengers (dimethylthiourea and thiourea), and amino acids (glycine and alanine). ATP depletion caused arachidonic acid release and increased mRNA levels of cytosolic phospholipase A(2) (cPLA(2)). The ATP depletion-dependent arachidonic acid release was inhibited by cPLA(2) specific inhibitor AACOCF(3). ATP depletion-induced alterations in Na(+)-dependent phosphate uptake and cell viability were prevented by AACOCF(3). Inhibition of Na(+)-dependent phosphate uptake by ATP depletion was prevented by antipain and leupetin, serine/cysteine protease inhibitors, whereas ATP depletion-induced cell death was not altered by these agents. These results indicate that ATP depletion-induced alterations in membrane transport function and cell viability are due to reactive oxygen species generation and cPLA(2) activation in renal proximal tubular cells. In addition, the present data suggest that serine/cysteine proteases play an important role in membrane transport dysfunction, but not cell death, induced by ATP depletion.
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Affiliation(s)
- Sung Ju Lee
- Department of Physiology, MRC for Ischemic Tissue Regeneration, College of Medicine, Pusan National University, Busan 602-739, Korea
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Bens M, Vandewalle A. Cell models for studying renal physiology. Pflugers Arch 2008; 457:1-15. [DOI: 10.1007/s00424-008-0507-4] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2008] [Accepted: 03/22/2008] [Indexed: 12/24/2022]
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Wei Q, Dong Z. Regulation and pathological role of bid in ischemic acute kidney injury. Ren Fail 2008; 29:935-40. [PMID: 18067037 DOI: 10.1080/08860220701641165] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
Abstract
Bid, a BH3-only member of the Bcl-2 family proteins, is most abundantly expressed in the kidneys. Recent research has shown Bid activation in renal tubular cells in vitro following ATP-depletion and hypoxic injury, and also in vivo during renal ischemia-reperfusion in rats and mice. Importantly, Bid-deficient mice are resistant to ischemic kidney injury. Targeting Bid may therefore offer a new strategy for the treatment of acute renal failure associated with ischemia-reperfusion.
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Affiliation(s)
- Qingqing Wei
- Department of Cellular Biology and Anatomy, Medical College of Georgia and Veterans Affairs Medical Center, Augusta, Georgia 30912, USA
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Abstract
The eukaryotic calpains are a family of calcium-dependent papain-like proteases and their non-enzymatic relatives whose varied physiological functions are beginning to be fully explored. The calpain family is named for the calcium dependence of the papain-like, thiol protease activity of the well-studied ubiquitous vertebrate enzymes calpain-1 (μ-calpain) and calpain-2 (m-calpain). Proteins showing sequence relatedness to the catalytic core domains of these enzymes are included in this ancient and diverse eukaryotic protein family. Calpains are examples of highly modular organization, with several varieties of amino-terminal or carboxy-terminal modules flanking a conserved core. Acquisition of the penta-EF-hand module involved in calcium binding (and the formation of heterodimers for some calpains) seems to be a relatively late event in calpain evolution. Several alternative mechanisms for binding calcium and associating with membranes/phospholipids are found throughout the family. The gene family is expanded in mammals, trypanosomes and ciliates, with up to 26 members in Tetrahymena, for example; in striking contrast to this, only a single calpain gene is present in many other protozoa and in plants. The many isoforms of calpain and their multiple splice variants complicate the discussion and analysis of the family, and challenge researchers to ascertain the relationships between calpain gene sequences, protein isoforms and their distinct or overlapping functions. In mammals and plants it is clear that a calpain plays an essential role in development. There is increasing evidence that ubiquitous calpains participate in a variety of signal transduction pathways and function in important cellular processes of life and death. In contrast to relatively promiscuous degradative proteases, calpains cleave only a restricted set of protein substrates and use complex substrate-recognition mechanisms, involving primary and secondary structural features of target proteins. The detailed physiological significance of both proteolytically active calpains and those lacking key catalytic residues requires further study.
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Affiliation(s)
- Dorothy E Croall
- Department of Biochemistry, Microbiology and Molecular Biology, University of Maine, Orono, ME 04469-5735, USA
| | - Klaus Ersfeld
- Department of Biological Sciences, University of Hull, Hull HU6 7RX, UK
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Mellgren RL, Huang X. Fetuin A stabilizes m-calpain and facilitates plasma membrane repair. J Biol Chem 2007; 282:35868-77. [PMID: 17942392 DOI: 10.1074/jbc.m706929200] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Yeast two-hybrid experiments identified alpha(2)-Heremans-Schmid glycoprotein (human fetuin A) as a binding partner for calpain domain III (DIII). The tandem DIIIs of calpain-10 interacted under the most selective culture conditions, but DIIIs of m-calpain, calpain-3, and calpain-5 also interacted under less stringent selection. DIIIs of mu-calpain, calpain-6, and the tandem DIII-like domains of the Dictyostelium Cpl protein did not interact with alpha(2)-Heremans-Schmid glycoprotein in the yeast two-hybrid system. Bovine fetuin A stabilized proteolytic activity of purified m-calpain incubated in the presence of mm calcium chloride and prevented calcium-dependent m-calpain aggregation. Consistent with the yeast two-hybrid studies, fetuin A neither stabilized mu-calpain nor prevented its aggregation. Confocal immunofluorescence microscopy of scratch-damaged L6 myotubes demonstrated accumulation of m-calpain at the wound site in association with the membrane repair protein, dysferlin. m-Calpain also co-localized with fluorescein-labeled fetuin A at the wound site. The effect of fetuin A on calpain-mediated plasma membrane resealing was investigated using fibroblasts from Capns1(-/-) and Capns1(+/+) mouse embryos. Capns1 encodes the small noncatalytic subunit that is required for the proteolytic function of m- and mu-calpains. Thus, Capns1(-/-) fibroblasts do not express these calpains in active form. Fetuin A increased resealing of scrape-damaged wild-type fibroblasts but not Capns1(-/-) fibroblasts. These studies identify fetuin A as a potential extracellular regulator of m-calpain at nascent sites of plasma membrane wounding.
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Affiliation(s)
- Ronald L Mellgren
- Department of Physiology and Pharmacology, University of Toledo College of Medicine, Toledo, Ohio 43614, USA.
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