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Garoffolo G, Casaburo M, Amadeo F, Salvi M, Bernava G, Piacentini L, Chimenti I, Zaccagnini G, Milcovich G, Zuccolo E, Agrifoglio M, Ragazzini S, Baasansuren O, Cozzolino C, Chiesa M, Ferrari S, Carbonaro D, Santoro R, Manzoni M, Casalis L, Raucci A, Molinari F, Menicanti L, Pagano F, Ohashi T, Martelli F, Massai D, Colombo GI, Messina E, Morbiducci U, Pesce M. Reduction of Cardiac Fibrosis by Interference With YAP-Dependent Transactivation. Circ Res 2022; 131:239-257. [PMID: 35770662 DOI: 10.1161/circresaha.121.319373] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
BACKGROUND Conversion of cardiac stromal cells into myofibroblasts is typically associated with hypoxia conditions, metabolic insults, and/or inflammation, all of which are predisposing factors to cardiac fibrosis and heart failure. We hypothesized that this conversion could be also mediated by response of these cells to mechanical cues through activation of the Hippo transcriptional pathway. The objective of the present study was to assess the role of cellular/nuclear straining forces acting in myofibroblast differentiation of cardiac stromal cells under the control of YAP (yes-associated protein) transcription factor and to validate this finding using a pharmacological agent that interferes with the interactions of the YAP/TAZ (transcriptional coactivator with PDZ-binding motif) complex with their cognate transcription factors TEADs (TEA domain transcription factors), under high-strain and profibrotic stimulation. METHODS We employed high content imaging, 2-dimensional/3-dimensional culture, atomic force microscopy mapping, and molecular methods to prove the role of cell/nuclear straining in YAP-dependent fibrotic programming in a mouse model of ischemia-dependent cardiac fibrosis and in human-derived primitive cardiac stromal cells. We also tested treatment of cells with Verteporfin, a drug known to prevent the association of the YAP/TAZ complex with their cognate transcription factors TEADs. RESULTS Our experiments suggested that pharmacologically targeting the YAP-dependent pathway overrides the profibrotic activation of cardiac stromal cells by mechanical cues in vitro, and that this occurs even in the presence of profibrotic signaling mediated by TGF-β1 (transforming growth factor beta-1). In vivo administration of Verteporfin in mice with permanent cardiac ischemia reduced significantly fibrosis and morphometric remodeling but did not improve cardiac performance. CONCLUSIONS Our study indicates that preventing molecular translation of mechanical cues in cardiac stromal cells reduces the impact of cardiac maladaptive remodeling with a positive effect on fibrosis.
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Affiliation(s)
- Gloria Garoffolo
- Centro Cardiologico Monzino, IRCCS, Milan, Italy (G.G., M.C., F.A., G.B., L.P., E.Z., S.R., M.C., S.F., R.S., M.M., A.R., G.I.C., M.P.)
| | - Manuel Casaburo
- Centro Cardiologico Monzino, IRCCS, Milan, Italy (G.G., M.C., F.A., G.B., L.P., E.Z., S.R., M.C., S.F., R.S., M.M., A.R., G.I.C., M.P.)
| | - Francesco Amadeo
- Centro Cardiologico Monzino, IRCCS, Milan, Italy (G.G., M.C., F.A., G.B., L.P., E.Z., S.R., M.C., S.F., R.S., M.M., A.R., G.I.C., M.P.)
| | - Massimo Salvi
- Department of Mechanical and Aerospace Engineering, Politecnico di Torino, Turin, Italy (M.S., D.C., F. Molinari, D.M., U.M.)
| | - Giacomo Bernava
- Centro Cardiologico Monzino, IRCCS, Milan, Italy (G.G., M.C., F.A., G.B., L.P., E.Z., S.R., M.C., S.F., R.S., M.M., A.R., G.I.C., M.P.)
| | - Luca Piacentini
- Centro Cardiologico Monzino, IRCCS, Milan, Italy (G.G., M.C., F.A., G.B., L.P., E.Z., S.R., M.C., S.F., R.S., M.M., A.R., G.I.C., M.P.)
| | - Isotta Chimenti
- Department of Medical Surgical Science and Biotechnology, Sapienza University of Rome (I.C., C.C.).,Mediterranea Cardiocentro, Napoli (I.C.)
| | | | | | - Estella Zuccolo
- Centro Cardiologico Monzino, IRCCS, Milan, Italy (G.G., M.C., F.A., G.B., L.P., E.Z., S.R., M.C., S.F., R.S., M.M., A.R., G.I.C., M.P.)
| | - Marco Agrifoglio
- Dipartimento di Scienze Biomediche, Chirurgiche ed Odontoiatriche, Università di Milano, Milan, Italy (M.A.)
| | - Sara Ragazzini
- Centro Cardiologico Monzino, IRCCS, Milan, Italy (G.G., M.C., F.A., G.B., L.P., E.Z., S.R., M.C., S.F., R.S., M.M., A.R., G.I.C., M.P.)
| | - Otgon Baasansuren
- Faculty of Engineering, Hokkaido University, Sapporo, Japan (O.B., T.O.)
| | - Claudia Cozzolino
- Department of Medical Surgical Science and Biotechnology, Sapienza University of Rome (I.C., C.C.)
| | - Mattia Chiesa
- Centro Cardiologico Monzino, IRCCS, Milan, Italy (G.G., M.C., F.A., G.B., L.P., E.Z., S.R., M.C., S.F., R.S., M.M., A.R., G.I.C., M.P.)
| | - Silvia Ferrari
- Centro Cardiologico Monzino, IRCCS, Milan, Italy (G.G., M.C., F.A., G.B., L.P., E.Z., S.R., M.C., S.F., R.S., M.M., A.R., G.I.C., M.P.)
| | - Dario Carbonaro
- Department of Mechanical and Aerospace Engineering, Politecnico di Torino, Turin, Italy (M.S., D.C., F. Molinari, D.M., U.M.)
| | - Rosaria Santoro
- Centro Cardiologico Monzino, IRCCS, Milan, Italy (G.G., M.C., F.A., G.B., L.P., E.Z., S.R., M.C., S.F., R.S., M.M., A.R., G.I.C., M.P.)
| | - Martina Manzoni
- Centro Cardiologico Monzino, IRCCS, Milan, Italy (G.G., M.C., F.A., G.B., L.P., E.Z., S.R., M.C., S.F., R.S., M.M., A.R., G.I.C., M.P.)
| | | | - Angela Raucci
- Centro Cardiologico Monzino, IRCCS, Milan, Italy (G.G., M.C., F.A., G.B., L.P., E.Z., S.R., M.C., S.F., R.S., M.M., A.R., G.I.C., M.P.)
| | - Filippo Molinari
- Department of Mechanical and Aerospace Engineering, Politecnico di Torino, Turin, Italy (M.S., D.C., F. Molinari, D.M., U.M.)
| | | | - Francesca Pagano
- Institute of Biochemistry and Cell Biology, National Council of Research (IBBC-CNR), Monterotondo, Italy (F.P.)
| | - Toshiro Ohashi
- Faculty of Engineering, Hokkaido University, Sapporo, Japan (O.B., T.O.)
| | | | - Diana Massai
- Department of Mechanical and Aerospace Engineering, Politecnico di Torino, Turin, Italy (M.S., D.C., F. Molinari, D.M., U.M.)
| | - Gualtiero I Colombo
- Centro Cardiologico Monzino, IRCCS, Milan, Italy (G.G., M.C., F.A., G.B., L.P., E.Z., S.R., M.C., S.F., R.S., M.M., A.R., G.I.C., M.P.)
| | - Elisa Messina
- Department of Pediatrics and Infant Neuropsychiatry. Policlinico Umberto I, Sapienza University of Rome (E.M.)
| | - Umberto Morbiducci
- Department of Mechanical and Aerospace Engineering, Politecnico di Torino, Turin, Italy (M.S., D.C., F. Molinari, D.M., U.M.)
| | - Maurizio Pesce
- Centro Cardiologico Monzino, IRCCS, Milan, Italy (G.G., M.C., F.A., G.B., L.P., E.Z., S.R., M.C., S.F., R.S., M.M., A.R., G.I.C., M.P.)
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2
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Scavello F, Zeni F, Milano G, Macrì F, Castiglione S, Zuccolo E, Scopece A, Pezone G, Tedesco CC, Nigro P, Degani G, Gambini E, Veglia F, Popolo L, Pompilio G, Colombo GI, Bianchi ME, Raucci A. Soluble Receptor for Advanced Glycation End-products regulates age-associated Cardiac Fibrosis. Int J Biol Sci 2021; 17:2399-2416. [PMID: 34326683 PMCID: PMC8315019 DOI: 10.7150/ijbs.56379] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Accepted: 05/20/2021] [Indexed: 12/21/2022] Open
Abstract
Myocardial aging increases the cardiovascular risk in the elderly. The Receptor for Advanced Glycation End-products (RAGE) is involved in age-related disorders. The soluble isoform (sRAGE) acts as a scavenger blocking the membrane-bound receptor activation. This study aims at investigating RAGE contribution to age-related cardiac remodeling. We analyzed the cardiac function of three different age groups of female Rage-/- and C57BL/6N (WT) mice: 2.5- (Young), 12- (Middle-age, MA) and 21-months (Old) old. While aging, Rage-/- mice displayed an increase in left ventricle (LV) dimensions compared to age-matched WT animals, with the main differences observed in the MA groups. Rage-/- mice showed higher fibrosis and a larger number of α-Smooth Muscle Actin (SMA)+ cells with age, along with increased expression of pro-fibrotic Transforming Growth Factor (TGF)-β1 pathway components. RAGE isoforms were undetectable in LV of WT mice, nevertheless, circulating sRAGE declined with aging and inversely associated with LV diastolic dimensions. Human cardiac fibroblasts stimulated with sRAGE exhibited a reduction in proliferation, pro-fibrotic proteins and TGF-beta Receptor 1 (TGFbR1) expression and Smad2-3 activation. Finally, sRAGE administration to MA WT animals reduced cardiac fibrosis. Hence, our work shows that RAGE associates with age-dependent myocardial changes and indicates sRAGE as an inhibitor of cardiac fibroblasts differentiation and age-dependent cardiac fibrosis.
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Affiliation(s)
- Francesco Scavello
- Unit of Experimental Cardio-Oncology and Cardiovascular Aging, Centro Cardiologico Monzino-IRCCS, Milan, Italy
| | - Filippo Zeni
- Unit of Experimental Cardio-Oncology and Cardiovascular Aging, Centro Cardiologico Monzino-IRCCS, Milan, Italy
| | - Giuseppina Milano
- Vascular Biology and Regenerative Medicine Unit, Centro Cardiologico Monzino-IRCCS, Milan, Italy
| | - Federica Macrì
- Unit of Experimental Cardio-Oncology and Cardiovascular Aging, Centro Cardiologico Monzino-IRCCS, Milan, Italy
| | - Stefania Castiglione
- Unit of Experimental Cardio-Oncology and Cardiovascular Aging, Centro Cardiologico Monzino-IRCCS, Milan, Italy
| | - Estella Zuccolo
- Unit of Experimental Cardio-Oncology and Cardiovascular Aging, Centro Cardiologico Monzino-IRCCS, Milan, Italy
| | - Alessandro Scopece
- Vascular Biology and Regenerative Medicine Unit, Centro Cardiologico Monzino-IRCCS, Milan, Italy
| | - Giovanni Pezone
- Unit of Experimental Cardio-Oncology and Cardiovascular Aging, Centro Cardiologico Monzino-IRCCS, Milan, Italy
| | | | - Patrizia Nigro
- Vascular Biology and Regenerative Medicine Unit, Centro Cardiologico Monzino-IRCCS, Milan, Italy
| | - Genny Degani
- Department of Biosciences, University of Milan, Milan, Italy
| | - Elisa Gambini
- Vascular Biology and Regenerative Medicine Unit, Centro Cardiologico Monzino-IRCCS, Milan, Italy
| | - Fabrizio Veglia
- Unit of Biostatistics, Centro Cardiologico Monzino-IRCCS, Milan, Italy
| | - Laura Popolo
- Department of Biosciences, University of Milan, Milan, Italy
| | - Giulio Pompilio
- Vascular Biology and Regenerative Medicine Unit, Centro Cardiologico Monzino-IRCCS, Milan, Italy
| | - Gualtiero I Colombo
- Unit of Immunology and Functional Genomics, Centro Cardiologico Monzino-IRCCS, Milan, Italy
| | - Marco E Bianchi
- Chromatin Dynamics Unit, San Raffaele University and IRCCS San Raffaele Hospital, Milan, Italy
| | - Angela Raucci
- Unit of Experimental Cardio-Oncology and Cardiovascular Aging, Centro Cardiologico Monzino-IRCCS, Milan, Italy
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3
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Moccia F, Zuccolo E, Di Nezza F, Pellavio G, Faris PS, Negri S, De Luca A, Laforenza U, Ambrosone L, Rosti V, Guerra G. Nicotinic acid adenine dinucleotide phosphate activates two-pore channel TPC1 to mediate lysosomal Ca 2+ release in endothelial colony-forming cells. J Cell Physiol 2020; 236:688-705. [PMID: 32583526 DOI: 10.1002/jcp.29896] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Revised: 06/08/2020] [Accepted: 06/12/2020] [Indexed: 12/15/2022]
Abstract
Nicotinic acid adenine dinucleotide phosphate (NAADP) is the most recently discovered Ca2+ -releasing messenger that increases the intracellular Ca2+ concentration by mobilizing the lysosomal Ca2+ store through two-pore channels 1 (TPC1) and 2 (TPC2). NAADP-induced lysosomal Ca2+ release regulates multiple endothelial functions, including nitric oxide release and proliferation. A sizeable acidic Ca2+ pool endowed with TPC1 is also present in human endothelial colony-forming cells (ECFCs), which represent the only known truly endothelial precursors. Herein, we sought to explore the role of the lysosomal Ca2+ store and TPC1 in circulating ECFCs by harnessing Ca2+ imaging and molecular biology techniques. The lysosomotropic agent, Gly-Phe β-naphthylamide, and nigericin, which dissipates the proton gradient which drives Ca2+ sequestration by acidic organelles, caused endogenous Ca2+ release in the presence of a replete inositol-1,4,5-trisphosphate (InsP3 )-sensitive endoplasmic reticulum (ER) Ca2+ pool. Likewise, the amount of ER releasable Ca2+ was reduced by disrupting lysosomal Ca2+ content. Liposomal delivery of NAADP induced a transient Ca2+ signal that was abolished by disrupting the lysosomal Ca2+ store and by pharmacological and genetic blockade of TPC1. Pharmacological manipulation revealed that NAADP-induced Ca2+ release also required ER-embedded InsP3 receptors. Finally, NAADP-induced lysosomal Ca2+ release was found to trigger vascular endothelial growth factor-induced intracellular Ca2+ oscillations and proliferation, while it did not contribute to adenosine-5'-trisphosphate-induced Ca2+ signaling. These findings demonstrated that NAADP-induced TPC1-mediated Ca2+ release can selectively be recruited to induce the Ca2+ response to specific cues in circulating ECFCs.
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Affiliation(s)
- Francesco Moccia
- Department of Biology and Biotechnology, Laboratory of General Physiology, University of Pavia, Pavia, Italy
| | - Estella Zuccolo
- Department of Biology and Biotechnology, Laboratory of General Physiology, University of Pavia, Pavia, Italy
| | - Francesca Di Nezza
- Department of Medicine and Health Sciences "Vincenzo Tiberio", University of Molise, Campobasso, Italy
| | - Giorgia Pellavio
- Human Physiology Unit, Department of Molecular Medicine, University of Pavia, Pavia, Italy
| | - Pawan S Faris
- Department of Biology and Biotechnology, Laboratory of General Physiology, University of Pavia, Pavia, Italy
| | - Sharon Negri
- Department of Biology and Biotechnology, Laboratory of General Physiology, University of Pavia, Pavia, Italy
| | - Antonio De Luca
- Department of Mental and Physical Health and Preventive Medicine, University of Campania Luigi Vanvitelli, Naples, Italy
| | - Umberto Laforenza
- Human Physiology Unit, Department of Molecular Medicine, University of Pavia, Pavia, Italy
| | - Luigi Ambrosone
- Department of Medicine and Health Sciences "Vincenzo Tiberio", University of Molise, Campobasso, Italy
| | - Vittorio Rosti
- Laboratory of Biochemistry Biotechnology and Advanced Diagnostic, Myelofibrosis Study Centre, IRCCS Ospedale Policlinico San Matteo, Pavia, Italy
| | - Germano Guerra
- Department of Medicine and Health Sciences "Vincenzo Tiberio", University of Molise, Campobasso, Italy
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Campanelli R, Codazzi A, Poletto V, Abbà C, Catarsi P, Fois G, Avanzini M, Brazzelli V, Tzialla C, De Silvestri A, Tinelli C, Licari A, Berra-Romani R, Zuccolo E, Moccia F, Mannarino S, Rosti V, Massa M. Kinetic and Angiogenic Activity of Circulating Endothelial Colony Forming Cells in Patients with Infantile Haemangioma Receiving Propranolol. Thromb Haemost 2019; 119:274-284. [DOI: 10.1055/s-0038-1676855] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
AbstractEndothelial progenitor cells (EPCs) have been suggested to contribute to the neovascularization of infantile haemangioma (IH). There is strong evidence of the efficacy of propranolol in the treatment of IH, possibly by inhibiting both vasculogenesis and angiogenesis in the tumour. We evaluate the frequency of circulating endothelial colony forming cells (ECFCs), as the best EPC surrogate, in patients with IH at diagnosis and while receiving propranolol by an ex vivo 12-month longitudinal study. Biological aspects of the ECFCs, such as their in vitro angiogenic potential, membrane CXCR4 expression and Ca2+ signalling, were investigated. Circulating ECFCs were isolated by in vitro culture and expanded for 2 to 3 passages in 23 patients with IH (median age: 5.5 months, range: 5.5 weeks–11 months) before and 3, 6, 9 and 12 months after receiving propranolol. Twenty-four healthy subjects comparable for age were also assessed (CTRLs). Untreated patients with IH had a circulating ECFC frequency lower (p = 0.001) than CTRLs; nevertheless, in in vitro starving conditions, ECFCs showed enhanced capacity to form tube-like structures than those of CTRLs. Patients with IH following the therapy with propranolol had a significantly increased (p = 0.022) circulating ECFC frequency, that showed a diminished tube-like formation capacity in vitro, and an altered constitutive store-operated Ca2+ entry. ECFCs play a role in IH pathogenesis; the response to propranolol therapy is associated with their increased frequency in the peripheral blood and a reduction of their vasculogenic activity.
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Affiliation(s)
- Rita Campanelli
- Center for the Study of Myelofibrosis, Laboratory of Biochemistry, Biotechnology and Advanced Diagnosis, IRCCS Policlinico San Matteo Foundation, Pavia, Italy
| | - Alessia Codazzi
- Cardiology Clinic of Pediatrics, IRCCS Policlinico San Matteo Foundation, Pavia, Italy
| | - Valentina Poletto
- Center for the Study of Myelofibrosis, Laboratory of Biochemistry, Biotechnology and Advanced Diagnosis, IRCCS Policlinico San Matteo Foundation, Pavia, Italy
| | - Carlotta Abbà
- Center for the Study of Myelofibrosis, Laboratory of Biochemistry, Biotechnology and Advanced Diagnosis, IRCCS Policlinico San Matteo Foundation, Pavia, Italy
| | - Paolo Catarsi
- Center for the Study of Myelofibrosis, Laboratory of Biochemistry, Biotechnology and Advanced Diagnosis, IRCCS Policlinico San Matteo Foundation, Pavia, Italy
| | - Gabriela Fois
- Center for the Study of Myelofibrosis, Laboratory of Biochemistry, Biotechnology and Advanced Diagnosis, IRCCS Policlinico San Matteo Foundation, Pavia, Italy
| | - Maria Avanzini
- Immunology and Transplantation Laboratory/Cell Factory/Pediatric Haematology/Oncology, IRCCS Policlinico San Matteo Foundation, Pavia, Italy
| | - Valeria Brazzelli
- Department of Clinical-Surgical, Diagnostic and Pediatric Science, Institute of Dermatology, IRCCS Policlinico San Matteo Foundation, Pavia, Italy
| | - Chryssoula Tzialla
- Neonatal Intensive Care Unit, IRCCS Policlinico San Matteo Foundation, Pavia, Italy
| | | | - Carmine Tinelli
- Epidemiology Service, IRCCS Policlinico San Matteo Foundation, Pavia, Italy
| | - Amelia Licari
- Department of Pediatrics, IRCCS Policlinico San Matteo Foundation, University of Pavia, Pavia, Italy
| | - Roberto Berra-Romani
- Department of Biomedicine, School of Medicine, Benemérita Universidad Autónoma de Puebla, Puebla, México
| | - Estella Zuccolo
- Laboratory of General Physiology, Department of Biology and Biotechnology “Lazzaro Spallanzani,” University of Pavia, Pavia, Italy
| | - Francesco Moccia
- Laboratory of General Physiology, Department of Biology and Biotechnology “Lazzaro Spallanzani,” University of Pavia, Pavia, Italy
| | - Savina Mannarino
- Cardiology Clinic of Pediatrics, IRCCS Policlinico San Matteo Foundation, Pavia, Italy
| | - Vittorio Rosti
- Center for the Study of Myelofibrosis, Laboratory of Biochemistry, Biotechnology and Advanced Diagnosis, IRCCS Policlinico San Matteo Foundation, Pavia, Italy
| | - Margherita Massa
- Laboratory of Biochemistry, Biotechnology and Advanced Diagnosis, IRCCS Policlinico San Matteo Foundation, Pavia, Italy
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Rebuzzini P, Zuccolo E, Civello C, Fassina L, Arechaga J, Izquierdo A, Faris P, Zuccotti M, Moccia F, Garagna S. Polychlorinated biphenyls reduce the kinematics contractile properties of embryonic stem cells-derived cardiomyocytes by disrupting their intracellular Ca 2+ dynamics. Sci Rep 2018; 8:17909. [PMID: 30559452 PMCID: PMC6297156 DOI: 10.1038/s41598-018-36333-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2018] [Accepted: 11/19/2018] [Indexed: 12/11/2022] Open
Abstract
Persistent organic pollutants are a group of chemicals that include polychlorinated biphenyls (PCBs). PCBs exposure during adult life increases incidence and severity of cardiomyopathies, whereas in utero exposure determines congenital heart defects. Being fat-soluble, PCBs are passed to newborns through maternal milk, impairing heart functionality in the adult. It is still unknown how PCBs impair cardiac contraction at cellular/molecular levels. Here, we study the molecular mechanisms by which PCBs cause the observed heart contraction defects, analysing the alterations of Ca2+ toolkit components that regulate contraction. We investigated the effect that Aroclor 1254 (Aroclor), a mixture of PCBs, has on perinatal-like cardiomyocytes derived from mouse embryonic stem cells. Cardiomyocytes, exposed to 1 or 2 µg/ml Aroclor for 24 h, were analyzed for their kinematics contractile properties and intracellular Ca2+ dynamics. We observed that Aroclor impairs cardiomyocytes contractile properties by inhibiting spontaneous Ca2+ oscillations. It disrupts intracellular Ca2+ homeostasis by reducing the sarcoplasmic reticulum Ca2+ content and by inhibiting voltage-gated Ca2+ entry. These findings contribute to the understanding of the molecular underpinnings of PCBs-induced cardiovascular alterations, which are emerging as an additional life-threatening hurdle associated to PCBs pollution. Therefore, PCBs-dependent alteration of intracellular Ca2+ dynamics is the most likely trigger of developmental cardiac functional alteration.
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Affiliation(s)
- Paola Rebuzzini
- Laboratorio di Biologia dello Sviluppo, Dipartimento di Biologia e Biotecnologie, Università degli Studi di Pavia, Pavia, Italy. .,Centre for Health Technologies (C.H.T.), Università degli Studi di Pavia, Pavia, Italy.
| | - Estella Zuccolo
- Laboratorio di Fisiologia Generale, Dipartimento di Biologia e Biotecnologie, Università degli Studi di Pavia, Pavia, Italy
| | - Cinzia Civello
- Laboratorio di Biologia dello Sviluppo, Dipartimento di Biologia e Biotecnologie, Università degli Studi di Pavia, Pavia, Italy
| | - Lorenzo Fassina
- Centre for Health Technologies (C.H.T.), Università degli Studi di Pavia, Pavia, Italy.,Dipartimento di Ingegneria Industriale e dell'Informazione, Università degli Studi di Pavia, Pavia, Italy
| | - Juan Arechaga
- Laboratory of Stem Cells, Development and Cancer, Department of Cell Biology and Histology, Faculty of Medicine and Nursing, Universidad del País Vasco, Vizcaya, Spain
| | - Amaia Izquierdo
- Laboratory of Stem Cells, Development and Cancer, Department of Cell Biology and Histology, Faculty of Medicine and Nursing, Universidad del País Vasco, Vizcaya, Spain
| | - Pawan Faris
- Laboratorio di Fisiologia Generale, Dipartimento di Biologia e Biotecnologie, Università degli Studi di Pavia, Pavia, Italy.,Department of Biology, College of Science, Salahaddin University, Erbil, Kurdistan-Region of Iraq, Iraq
| | - Maurizio Zuccotti
- Laboratorio di Biologia dello Sviluppo, Dipartimento di Biologia e Biotecnologie, Università degli Studi di Pavia, Pavia, Italy. .,Centre for Health Technologies (C.H.T.), Università degli Studi di Pavia, Pavia, Italy.
| | - Francesco Moccia
- Laboratorio di Fisiologia Generale, Dipartimento di Biologia e Biotecnologie, Università degli Studi di Pavia, Pavia, Italy
| | - Silvia Garagna
- Laboratorio di Biologia dello Sviluppo, Dipartimento di Biologia e Biotecnologie, Università degli Studi di Pavia, Pavia, Italy. .,Centre for Health Technologies (C.H.T.), Università degli Studi di Pavia, Pavia, Italy.
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6
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Zuccolo E, Kheder DA, Lim D, Perna A, Nezza FD, Botta L, Scarpellino G, Negri S, Martinotti S, Soda T, Forcaia G, Riboni L, Ranzato E, Sancini G, Ambrosone L, D'Angelo E, Guerra G, Moccia F. Glutamate triggers intracellular Ca 2+ oscillations and nitric oxide release by inducing NAADP- and InsP 3 -dependent Ca 2+ release in mouse brain endothelial cells. J Cell Physiol 2018; 234:3538-3554. [PMID: 30451297 DOI: 10.1002/jcp.26953] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2018] [Accepted: 06/13/2018] [Indexed: 12/13/2022]
Abstract
The neurotransmitter glutamate increases cerebral blood flow by activating postsynaptic neurons and presynaptic glial cells within the neurovascular unit. Glutamate does so by causing an increase in intracellular Ca2+ concentration ([Ca2+ ]i ) in the target cells, which activates the Ca2+ /Calmodulin-dependent nitric oxide (NO) synthase to release NO. It is unclear whether brain endothelial cells also sense glutamate through an elevation in [Ca2+ ]i and NO production. The current study assessed whether and how glutamate drives Ca2+ -dependent NO release in bEND5 cells, an established model of brain endothelial cells. We found that glutamate induced a dose-dependent oscillatory increase in [Ca2+ ]i , which was maximally activated at 200 μM and inhibited by α-methyl-4-carboxyphenylglycine, a selective blocker of Group 1 metabotropic glutamate receptors. Glutamate-induced intracellular Ca2+ oscillations were triggered by rhythmic endogenous Ca2+ mobilization and maintained over time by extracellular Ca2+ entry. Pharmacological manipulation revealed that glutamate-induced endogenous Ca2+ release was mediated by InsP3 -sensitive receptors and nicotinic acid adenine dinucleotide phosphate (NAADP) gated two-pore channel 1. Constitutive store-operated Ca2+ entry mediated Ca2+ entry during ongoing Ca2+ oscillations. Finally, glutamate evoked a robust, although delayed increase in NO levels, which was blocked by pharmacologically inhibition of the accompanying intracellular Ca2+ signals. Of note, glutamate induced Ca2+ -dependent NO release also in hCMEC/D3 cells, an established model of human brain microvascular endothelial cells. This investigation demonstrates for the first time that metabotropic glutamate-induced intracellular Ca2+ oscillations and NO release have the potential to impact on neurovascular coupling in the brain.
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Affiliation(s)
- Estella Zuccolo
- Laboratory of General Physiology, Department of Biology and Biotechnology "Lazzaro Spallanzani," University of Pavia, Pavia, Italy
| | - Dlzar A Kheder
- Laboratory of General Physiology, Department of Biology and Biotechnology "Lazzaro Spallanzani," University of Pavia, Pavia, Italy.,Department of Biology, University of Zakho, Duhok, Kurdistan-Region of Iraq
| | - Dmitry Lim
- Department of Pharmaceutical Sciences, University of Eastern Piedmont "Amedeo Avogadro,", Novara, Italy
| | - Angelica Perna
- Department of Medicine and Health Sciences "Vincenzo Tiberio,", University of Molise, Campobasso, Italy
| | - Francesca Di Nezza
- Department of Bioscience and Territory (DIBT), University of Molise, Contrada Lappone Pesche, Isernia, Italy
| | - Laura Botta
- Laboratory of General Physiology, Department of Biology and Biotechnology "Lazzaro Spallanzani," University of Pavia, Pavia, Italy
| | - Giorgia Scarpellino
- Laboratory of General Physiology, Department of Biology and Biotechnology "Lazzaro Spallanzani," University of Pavia, Pavia, Italy
| | - Sharon Negri
- Laboratory of General Physiology, Department of Biology and Biotechnology "Lazzaro Spallanzani," University of Pavia, Pavia, Italy
| | - Simona Martinotti
- Dipartimento di Scienze e Innovazione Tecnologica (DiSIT), University of Piemonte Orientale, Alessandria, Italy
| | - Teresa Soda
- Museo Storico della Fisica e Centro Studi e Ricerche Enrico Fermi, Rome, Italy.,Department of Brain and Behavioral Sciences, University of Pavia, Pavia, Italy
| | - Greta Forcaia
- Department of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy
| | - Laura Riboni
- Department of Medical Biotechnology and Translational Medicine, LITA-Segrate, University of Milan, Segrate, Milan, Italy
| | - Elia Ranzato
- Dipartimento di Scienze e Innovazione Tecnologica (DiSIT), University of Piemonte Orientale, Alessandria, Italy
| | - Giulio Sancini
- Department of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy
| | - Luigi Ambrosone
- Department of Medicine and Health Sciences "Vincenzo Tiberio,", Centre of Nanomedicine, University of Molise, Campobasso, Italy
| | - Egidio D'Angelo
- Department of Brain and Behavioral Sciences, University of Pavia, Pavia, Italy.,Brain Connectivity Center, C. Mondino National Neurological Institute, Pavia, Italy
| | - Germano Guerra
- Department of Medicine and Health Sciences "Vincenzo Tiberio,", University of Molise, Campobasso, Italy
| | - Francesco Moccia
- Laboratory of General Physiology, Department of Biology and Biotechnology "Lazzaro Spallanzani," University of Pavia, Pavia, Italy
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Zuccolo E, Laforenza U, Negri S, Botta L, Berra-Romani R, Faris P, Scarpellino G, Forcaia G, Pellavio G, Sancini G, Moccia F. Muscarinic M5 receptors trigger acetylcholine-induced Ca 2+ signals and nitric oxide release in human brain microvascular endothelial cells. J Cell Physiol 2018; 234:4540-4562. [PMID: 30191989 DOI: 10.1002/jcp.27234] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2018] [Accepted: 07/24/2018] [Indexed: 12/13/2022]
Abstract
Basal forebrain neurons control cerebral blood flow (CBF) by releasing acetylcholine (Ach), which binds to endothelial muscarinic receptors to induce nitric (NO) release and vasodilation in intraparenchymal arterioles. Nevertheless, the mechanism whereby Ach stimulates human brain microvascular endothelial cells to produce NO is still unknown. Herein, we sought to assess whether Ach stimulates NO production in a Ca2+ -dependent manner in hCMEC/D3 cells, a widespread model of human brain microvascular endothelial cells. Ach induced a dose-dependent increase in intracellular Ca2+ concentration ([Ca2+ ]i ) that was prevented by the genetic blockade of M5 muscarinic receptors (M5-mAchRs), which was the only mAchR isoform coupled to phospholipase Cβ (PLCβ) present in hCMEC/D3 cells. A comprehensive real-time polymerase chain reaction analysis revealed the expression of the transcripts encoding for type 3 inositol-1,4,5-trisphosphate receptors (InsP3 R3), two-pore channels 1 and 2 (TPC1-2), Stim2, Orai1-3. Pharmacological manipulation showed that the Ca2+ response to Ach was mediated by InsP3 R3, TPC1-2, and store-operated Ca2+ entry (SOCE). Ach-induced NO release, in turn, was inhibited in cells deficient of M5-mAchRs. Likewise, Ach failed to increase NO levels in the presence of l-NAME, a selective NOS inhibitor, or BAPTA, a membrane-permeant intracellular Ca2+ buffer. Moreover, the pharmacological blockade of the Ca2+ response to Ach also inhibited the accompanying NO production. These data demonstrate for the first time that synaptically released Ach may trigger NO release in human brain microvascular endothelial cells by stimulating a Ca2+ signal via M5-mAchRs.
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Affiliation(s)
- Estella Zuccolo
- Department of Biology and Biotechnology, "Lazzaro Spallanzani," Laboratory of General Physiology, University of Pavia, Pavia, Italy
| | - Umberto Laforenza
- Department of Molecular Medicine, Human Physiology Unit, University of Pavia, Pavia, Italy
| | - Sharon Negri
- Department of Biology and Biotechnology, "Lazzaro Spallanzani," Laboratory of General Physiology, University of Pavia, Pavia, Italy
| | - Laura Botta
- Department of Biology and Biotechnology, "Lazzaro Spallanzani," Laboratory of General Physiology, University of Pavia, Pavia, Italy
| | - Roberto Berra-Romani
- Department of Biomedicine, School of Medicine, Benemérita Universidad Autónoma de Puebla, Puebla, Mexico
| | - Pawan Faris
- Department of Biology and Biotechnology, "Lazzaro Spallanzani," Laboratory of General Physiology, University of Pavia, Pavia, Italy.,Department of Biology, College of Science, Salahaddin University, Erbil, Iraq
| | - Giorgia Scarpellino
- Department of Biology and Biotechnology, "Lazzaro Spallanzani," Laboratory of General Physiology, University of Pavia, Pavia, Italy
| | - Greta Forcaia
- Department of Experimental Medicine, University of Milano-Bicocca, Monza, Italy
| | - Giorgia Pellavio
- Department of Molecular Medicine, Human Physiology Unit, University of Pavia, Pavia, Italy
| | - Giulio Sancini
- Department of Experimental Medicine, University of Milano-Bicocca, Monza, Italy
| | - Francesco Moccia
- Department of Biology and Biotechnology, "Lazzaro Spallanzani," Laboratory of General Physiology, University of Pavia, Pavia, Italy
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8
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Zuccolo E, Laforenza U, Ferulli F, Pellavio G, Scarpellino G, Tanzi M, Turin I, Faris P, Lucariello A, Maestri M, Kheder DA, Guerra G, Pedrazzoli P, Montagna D, Moccia F. Stim and Orai mediate constitutive Ca 2+ entry and control endoplasmic reticulum Ca 2+ refilling in primary cultures of colorectal carcinoma cells. Oncotarget 2018; 9:31098-31119. [PMID: 30123430 PMCID: PMC6089563 DOI: 10.18632/oncotarget.25785] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2018] [Accepted: 06/23/2018] [Indexed: 12/18/2022] Open
Abstract
Store-operated Ca2+ entry (SOCE) provides a major Ca2+ entry route in cancer cells. SOCE is mediated by the assembly of Stim and Orai proteins at endoplasmic reticulum (ER)-plasma membrane junctions upon depletion of the ER Ca2+ store. Additionally, Stim and Orai proteins underpin constitutive Ca2+ entry in a growing number of cancer cell types due to the partial depletion of their ER Ca2+ reservoir. Herein, we investigated for the first time the structure and function of SOCE in primary cultures of colorectal carcinoma (CRC) established from primary tumor (pCRC) and metastatic lesions (mCRC) of human subjects. Stim1-2 and Orai1-3 transcripts were equally expressed in pCRC and mCRC cells, although Stim1 and Orai3 proteins were up-regulated in mCRC cells. The Mn2+-quenching technique revealed that constitutive Ca2+ entry was significantly enhanced in pCRC cells and was inhibited by the pharmacological and genetic blockade of Stim1, Stim2, Orai1 and Orai3. The larger resting Ca2+ influx in pCRC was associated to their lower ER Ca2+ content as compared to mCRC cells. Pharmacological and genetic blockade of Stim1, Stim2, Orai1 and Orai3 prevented ER-dependent Ca2+ release, thereby suggesting that constitutive SOCE maintains ER Ca2+ levels. Nevertheless, pharmacological and genetic blockade of Stim1, Stim2, Orai1 and Orai3 did not affect CRC cell proliferation and migration. These data provide the first evidence that Stim and Orai proteins mediate constitutive Ca2+ entry and replenish ER with Ca2+ in primary cultures of CRC cells. However, SOCE is not a promising target to design alternative therapies for CRC.
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Affiliation(s)
- Estella Zuccolo
- Department of Biology and Biotechnology "Lazzaro Spallanzani", University of Pavia, Pavia, Italy
| | | | - Federica Ferulli
- Laboratory of Immunology Transplantation, Foundation IRCCS Policlinico San Matteo, Pavia, Italy
| | - Giorgia Pellavio
- Department of Molecular Medicine, University of Pavia, Pavia, Italy
| | - Giorgia Scarpellino
- Department of Biology and Biotechnology "Lazzaro Spallanzani", University of Pavia, Pavia, Italy
| | - Matteo Tanzi
- Laboratory of Immunology Transplantation, Foundation IRCCS Policlinico San Matteo, Pavia, Italy
| | - Ilaria Turin
- Laboratory of Immunology Transplantation, Foundation IRCCS Policlinico San Matteo, Pavia, Italy
| | - Pawan Faris
- Department of Biology and Biotechnology "Lazzaro Spallanzani", University of Pavia, Pavia, Italy.,Department of Biology, College of Science, Salahaddin University, Erbil, Kurdistan-Region of Iraq, Iraq
| | - Angela Lucariello
- Department of Medicine and Health Sciences "Vincenzo Tiberio", University of Molise, Campobasso, Italy
| | - Marcello Maestri
- Unit of General Surgery, Foundation IRCCS Policlinico San Matteo, Pavia, Italy
| | - Dlzar Ali Kheder
- Department of Biology and Biotechnology "Lazzaro Spallanzani", University of Pavia, Pavia, Italy.,Department of Biology, University of Zakho, Zakho, Kurdistan-Region of Iraq, Iraq
| | - Germano Guerra
- Department of Medicine and Health Sciences "Vincenzo Tiberio", University of Molise, Campobasso, Italy
| | - Paolo Pedrazzoli
- Medical Oncology, Foundation IRCCS Policlinico San Matteo, Pavia, Italy
| | - Daniela Montagna
- Laboratory of Immunology Transplantation, Foundation IRCCS Policlinico San Matteo, Pavia, Italy.,Department of Sciences Clinic-Surgical, Diagnostic and Pediatric, University of Pavia, Pavia, Italy
| | - Francesco Moccia
- Department of Biology and Biotechnology "Lazzaro Spallanzani", University of Pavia, Pavia, Italy
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9
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Zuccolo E, Negri S, Pellavio G, Scarpellino G, Laforenza U, Sancini G, Guerra G, Moccia F. Acetylcholine induces Ca2 + signals and nitric oxide release from human brain micrINS;ovascular endothelial cells. Vascul Pharmacol 2018. [DOI: 10.1016/j.vph.2017.12.049] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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10
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Zuccolo E, Di Nezza F, Laforenza U, Kheder D, Pellavio G, Rosti V, Ambrosone L, Guerra G, Moccia F. Nicotinic acid adenine dinucleotide phosphate (NAADP) gates two pore channel 1 to mediate Ca2 + release from acidic Ca2 + signals in human endothelial progenitor cells. Vascul Pharmacol 2018. [DOI: 10.1016/j.vph.2017.12.047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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11
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Zuccolo E, Di Buduo C, Lodola F, Orecchioni S, Scarpellino G, Kheder DA, Poletto V, Guerra G, Bertolini F, Balduini A, Rosti V, Moccia F. Stromal Cell-Derived Factor-1α Promotes Endothelial Colony-Forming Cell Migration Through the Ca2+-Dependent Activation of the Extracellular Signal-Regulated Kinase 1/2 and Phosphoinositide 3-Kinase/AKT Pathways. Stem Cells Dev 2018; 27:23-34. [DOI: 10.1089/scd.2017.0114] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Affiliation(s)
- Estella Zuccolo
- Laboratory of General Physiology, Department of Biology and Biotechnology “Lazzaro Spallanzani,” University of Pavia, Pavia, Italy
| | - Christian Di Buduo
- Department of Molecular Medicine, University of Pavia, Pavia, Italy
- Laboratory of Biochemistry, Biotechnology, and Advanced Diagnosis, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) San Matteo Foundation, Pavia, Italy
| | - Francesco Lodola
- Laboratory of General Physiology, Department of Biology and Biotechnology “Lazzaro Spallanzani,” University of Pavia, Pavia, Italy
| | - Stefania Orecchioni
- Laboratory of Hematology–Oncology, European Institute of Oncology, Milan, Italy
| | - Giorgia Scarpellino
- Laboratory of General Physiology, Department of Biology and Biotechnology “Lazzaro Spallanzani,” University of Pavia, Pavia, Italy
| | - Dlzar Ali Kheder
- Laboratory of General Physiology, Department of Biology and Biotechnology “Lazzaro Spallanzani,” University of Pavia, Pavia, Italy
- Department of Biology, Faculty of Science, University of Zakho, Zakho, Kurdistan-Region of Iraq
| | - Valentina Poletto
- Laboratory of Biochemistry, Biotechnology, and Advanced Diagnosis, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) San Matteo Foundation, Pavia, Italy
| | - Germano Guerra
- Department of Medicine and Health Sciences “Vincenzo Tiberio,” University of Molise, Campobasso, Italy
| | - Francesco Bertolini
- Laboratory of Hematology–Oncology, European Institute of Oncology, Milan, Italy
| | - Alessandra Balduini
- Department of Molecular Medicine, University of Pavia, Pavia, Italy
- Laboratory of Biochemistry, Biotechnology, and Advanced Diagnosis, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) San Matteo Foundation, Pavia, Italy
- Department of Biomedical Engineering, Tufts University, Medford, Massachusetts
| | - Vittorio Rosti
- Laboratory of Biochemistry, Biotechnology, and Advanced Diagnosis, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) San Matteo Foundation, Pavia, Italy
| | - Francesco Moccia
- Laboratory of General Physiology, Department of Biology and Biotechnology “Lazzaro Spallanzani,” University of Pavia, Pavia, Italy
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12
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Lodola F, Laforenza U, Cattaneo F, Ruffinatti FA, Poletto V, Massa M, Tancredi R, Zuccolo E, Khdar DA, Riccardi A, Biggiogera M, Rosti V, Guerra G, Moccia F. VEGF-induced intracellular Ca 2+ oscillations are down-regulated and do not stimulate angiogenesis in breast cancer-derived endothelial colony forming cells. Oncotarget 2017; 8:95223-95246. [PMID: 29221123 PMCID: PMC5707017 DOI: 10.18632/oncotarget.20255] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2017] [Accepted: 07/12/2017] [Indexed: 01/08/2023] Open
Abstract
Endothelial colony forming cells (ECFCs) represent a population of truly endothelial precursors that promote the angiogenic switch in solid tumors, such as breast cancer (BC). The intracellular Ca2+ toolkit, which drives the pro-angiogenic response to VEGF, is remodelled in tumor-associated ECFCs such that they are seemingly insensitive to this growth factor. This feature could underlie the relative failure of anti-VEGF therapies in cancer patients. Herein, we investigated whether and how VEGF uses Ca2+ signalling to control angiogenesis in BC-derived ECFCs (BC-ECFCs). Although VEGFR-2 was normally expressed, VEGF failed to induce proliferation and in vitro tubulogenesis in BC-ECFCs. Likewise, VEGF did not trigger robust Ca2+ oscillations in these cells. Similar to normal cells, VEGF-induced intracellular Ca2+ oscillations were triggered by inositol-1,4,5-trisphosphate-dependent Ca2+ release from the endoplasmic reticulum (ER) and maintained by store-operated Ca2+ entry (SOCE). However, InsP3-dependent Ca2+ release was significantly lower in BC-ECFCs due to the down-regulation of ER Ca2+ levels, while there was no remarkable difference in the amplitude, pharmacological profile and molecular composition of SOCE. Thus, the attenuation of the pro-angiogenic Ca2+ response to VEGF was seemingly due to the reduction in ER Ca2+ concentration, which prevents VEGF from triggering robust intracellular Ca2+ oscillations. However, the pharmacological inhibition of SOCE prevented BC-ECFC proliferation and in vitro tubulogenesis. These findings demonstrate for the first time that BC-ECFCs are insensitive to VEGF, which might explain at cellular and molecular levels the failure of anti-VEGF therapies in BC patients, and hint at SOCE as a novel molecular target for this disease.
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Affiliation(s)
- Francesco Lodola
- Laboratory of General Physiology, Department of Biology and Biotechnology "Lazzaro Spallanzani", University of Pavia, Pavia 27100, Italy.,Current address: Italian Institute of Technology, Center for Nano Science and Technology, Milano 20133, Italy
| | - Umberto Laforenza
- Department of Molecular Medicine, University of Pavia, Pavia 27100, Italy
| | - Fabio Cattaneo
- Department of Molecular Medicine and Medical Biotechnology, University of Naples Federico II, Naples 80131, Italy
| | | | - Valentina Poletto
- Laboratory of Biochemistry, Biotechnology and Advanced Diagnosis, Foundation IRCCS Policlinico San Matteo, Pavia 27100, Italy
| | - Margherita Massa
- Laboratory of Immunology Transplantation, Foundation IRCCS Policlinico San Matteo, Pavia 27100, Italy
| | - Richard Tancredi
- Medical Oncology Unit, Foundation IRCCS Salvatore Maugeri, Pavia 27100, Italy
| | - Estella Zuccolo
- Laboratory of General Physiology, Department of Biology and Biotechnology "Lazzaro Spallanzani", University of Pavia, Pavia 27100, Italy
| | - Dlzar Alì Khdar
- Laboratory of General Physiology, Department of Biology and Biotechnology "Lazzaro Spallanzani", University of Pavia, Pavia 27100, Italy
| | - Alberto Riccardi
- Medical Oncology Unit, Foundation IRCCS Salvatore Maugeri, Pavia 27100, Italy.,Department of Internal Medicine, University of Pavia, Pavia 27100, Italy
| | - Marco Biggiogera
- Laboratory of Cell Biology and Neurobiology, Department of Biology and Biotechnology "Lazzaro Spallanzani", University of Pavia, Pavia 27100, Italy
| | - Vittorio Rosti
- Laboratory of Biochemistry, Biotechnology and Advanced Diagnosis, Foundation IRCCS Policlinico San Matteo, Pavia 27100, Italy
| | - Germano Guerra
- Department of Medicine and Health Sciences "Vincenzo Tiberio", University of Molise, Campobasso 86100, Italy
| | - Francesco Moccia
- Laboratory of General Physiology, Department of Biology and Biotechnology "Lazzaro Spallanzani", University of Pavia, Pavia 27100, Italy
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13
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Zuccolo E, Lim D, Kheder DA, Perna A, Catarsi P, Botta L, Rosti V, Riboni L, Sancini G, Tanzi F, D'Angelo E, Guerra G, Moccia F. Acetylcholine induces intracellular Ca 2+ oscillations and nitric oxide release in mouse brain endothelial cells. Cell Calcium 2017; 66:33-47. [PMID: 28807148 DOI: 10.1016/j.ceca.2017.06.003] [Citation(s) in RCA: 59] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2017] [Revised: 06/05/2017] [Accepted: 06/10/2017] [Indexed: 01/29/2023]
Abstract
Basal forebrain neurons increase cortical blood flow by releasing acetylcholine (Ach), which stimulates endothelial cells (ECs) to produce the vasodilating gasotransmitter, nitric oxide (NO). Surprisingly, the mechanism whereby Ach induces NO synthesis in brain microvascular ECs is unknown. An increase in intracellular Ca2+ concentration recruits a multitude of endothelial Ca2+-dependent pathways, such as Ca2+/calmodulin endothelial NO synthase (eNOS). The present investigation sought to investigate the role of intracellular Ca2+ signaling in Ach-induced NO production in bEND5 cells, an established model of mouse brain microvascular ECs, by conventional imaging of cells loaded with the Ca2+-sensitive dye, Fura-2/AM, and the NO-sensitive fluorophore, DAF-DM diacetate. Ach induced dose-dependent Ca2+ oscillations in bEND5 cells, 300 μM being the most effective dose to generate a prolonged Ca2+ burst. Pharmacological manipulation revealed that Ach-evoked Ca2+ oscillations required metabotropic muscarinic receptor (mAchR) activation and were patterned by a complex interplay between repetitive ER Ca2+ release via inositol-1,4,5-trisphosphate receptors (InsP3Rs) and store-operated Ca2+ entry (SOCE). A comprehensive real time-polymerase chain reaction analysis demonstrated the expression of the transcripts encoding for M3-mAChRs, InsP3R1 and InsP3R3, Stim1-2 and Orai2. Next, we found that Ach-induced NO production was hindered by L-NAME, a selective NOS inhibitor, and BAPTA, a membrane permeable intracellular Ca2+ buffer. Moreover, Ach-elicited NO synthesis was blocked by the pharmacological abrogation of the accompanying Ca2+ spikes. Overall, these data shed novel light on the molecular mechanisms whereby neuronally-released Ach controls neurovascular coupling in blood microvessels.
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Affiliation(s)
- Estella Zuccolo
- Laboratory of General Physiology, Department of Biology and Biotechnology "Lazzaro Spallanzani", University of Pavia, Pavia, Italy
| | - Dmitry Lim
- Department of Pharmaceutical Sciences, University of Eastern Piedment "Amedeo Avogadro", Novara, Italy
| | - Dlzar Ali Kheder
- Laboratory of General Physiology, Department of Biology and Biotechnology "Lazzaro Spallanzani", University of Pavia, Pavia, Italy; Department of Biology, University of Zakho, Kurdistan-Region of Iraq, Iraq
| | - Angelica Perna
- Department of Medicine and Health Sciences "Vincenzo Tiberio", University of Molise, Via F. De Santis, 86100 Campobasso, Italy
| | - Paolo Catarsi
- Center for the Study of Myelofibrosis, Research Laboratory of Biotechnology, Foundation IRCCS Policlinico San Matteo, Pavia, Italy
| | - Laura Botta
- Laboratory of General Physiology, Department of Biology and Biotechnology "Lazzaro Spallanzani", University of Pavia, Pavia, Italy
| | - Vittorio Rosti
- Center for the Study of Myelofibrosis, Research Laboratory of Biotechnology, Foundation IRCCS Policlinico San Matteo, Pavia, Italy
| | - Laura Riboni
- Department of Medical Biotechnology and Translational Medicine, LITA-Segrate, University of Milan, Segrate, 20090 Milan, Italy
| | - Giulio Sancini
- Department of Experimental Medicine, University of Milano-Bicocca, 20900 Monza, Italy
| | - Franco Tanzi
- Laboratory of General Physiology, Department of Biology and Biotechnology "Lazzaro Spallanzani", University of Pavia, Pavia, Italy
| | - Egidio D'Angelo
- Department of Brain and Behavioral Sciences, University of Pavia, 27100 Pavia, Italy; Brain Connectivity Center, C. Mondino National Neurological Institute, 27100 Pavia, Italy
| | - Germano Guerra
- Department of Medicine and Health Sciences "Vincenzo Tiberio", University of Molise, Via F. De Santis, 86100 Campobasso, Italy.
| | - Francesco Moccia
- Laboratory of General Physiology, Department of Biology and Biotechnology "Lazzaro Spallanzani", University of Pavia, Pavia, Italy.
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14
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Di Nezza F, Zuccolo E, Poletto V, Rosti V, De Luca A, Moccia F, Guerra G, Ambrosone L. Liposomes as a Putative Tool to Investigate NAADP Signaling in Vasculogenesis. J Cell Biochem 2017; 118:3722-3729. [PMID: 28374913 DOI: 10.1002/jcb.26019] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2017] [Accepted: 04/03/2017] [Indexed: 01/09/2023]
Abstract
Nicotinic acid adenine dinucleotide phosphate (NAADP) is the newest discovered intracellular second messengers, which is able to release Ca2+ stored within endolysosomal (EL) vesicles. NAADP-induced Ca2+ signals mediate a growing number of cellular functions, ranging from proliferation to muscle contraction and differentiation. Recently, NAADP has recently been shown to regulate angiogenesis by promoting endothelial cell growth. It is, however, still unknown whether NAADP stimulates proliferation also in endothelial progenitor cells, which are mobilized in circulation after an ischemic insult to induce tissue revascularization. Herein, we described a novel approach to prepare NAADP-containing liposomes, which are highly cell membrane permeable and are therefore amenable for stimulating cell activity. Accordingly, NAADP-containing liposomes evoked an increase in intracellular Ca2+ concentration, which was inhibited by NED-19, a selective inhibitor of NAADP-induced Ca2+ release. Furthermore, NAADP-containing liposomes promoted EPC proliferation, a process which was inhibited by NED-19 and BAPTA, a membrane permeable intracellular Ca2+ buffer. Therefore, NAADP-containing liposomes stand out as a promising tool to promote revascularization of hypoxic/ischemic tissues by favoring EPC proliferation. J. Cell. Biochem. 118: 3722-3729, 2017. © 2017 Wiley Periodicals, Inc.
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Affiliation(s)
- Francesca Di Nezza
- Department of Bioscience and Territory (DIBT), University of Molise, Contrada Lappone Pesche, Isernia 86090, Italy
| | - Estella Zuccolo
- Laboratory of General Physiology, Department of Biology and Biotechnology "L. Spallanzani", University of Pavia, Pavia 27100, Italy
| | - Valentina Poletto
- Biotechnology Research Laboratory, Center for the Study of Myelofibrosis, Fondazione IRCCS Policlinico San Matteo, Pavia 27100, Italy
| | - Vittorio Rosti
- Biotechnology Research Laboratory, Center for the Study of Myelofibrosis, Fondazione IRCCS Policlinico San Matteo, Pavia 27100, Italy
| | - Antonio De Luca
- Department of Mental and Physical Health and Preventive Medicine, Section of Human Anatomy, Università degli Studi della Campania "L. Vanvitelli", Naples 80138, Italy
| | - Francesco Moccia
- Laboratory of General Physiology, Department of Biology and Biotechnology "L. Spallanzani", University of Pavia, Pavia 27100, Italy
| | - Germano Guerra
- Department of Medicine and Health Sciences "Vincenzo Tiberio", Centre of Nanomedicine, University of Molise, Campobasso 86100, Italy
| | - Luigi Ambrosone
- Department of Medicine and Health Sciences "Vincenzo Tiberio", Centre of Nanomedicine, University of Molise, Campobasso 86100, Italy
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15
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Moccia F, Zuccolo E, Poletto V, Turin I, Guerra G, Pedrazzoli P, Rosti V, Porta C, Montagna D. Targeting Stim and Orai Proteins as an Alternative Approach in Anticancer Therapy. Curr Med Chem 2017; 23:3450-3480. [PMID: 27281129 DOI: 10.2174/0929867323666160607111220] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2016] [Revised: 05/25/2016] [Accepted: 06/06/2016] [Indexed: 11/22/2022]
Abstract
An increase in intracellular Ca2+ concentration plays a key role in the establishment of many cancer hallmarks, including aberrant proliferation, migration, invasion, resistance to apoptosis and angiogenesis. The dysregulation of Ca2+ entry is one of the most subtle mechanisms by which cancer cells overwhelm their normal counterparts and gain the adaptive advantages that result in tumour growth, vascularisation and dissemination throughout the organism. Both constitutive and agonist-induced Ca2+ influx may be mediated by store-dependent as well as store-independent Ca2+ entry routes. A growing body of evidences have shown that different isoforms of Stromal Interaction Molecules (Stim1) and Orai proteins, i.e. Stim1, Stim2, Orai1 and Orai3, underlie both pathways in cancer cells. The alteration in either the expression or the activity of Stim and Orai proteins has been linked to the onset and maintenance of tumour phenotype in many solid malignancies, including prostate, breast, kidney, esophageal, skin, brain, colorectal, lung and liver cancers. Herein, we survey the existing data in support of Stim and Orai involvement in tumourigenesis and provide the rationale to target them in cancer patients. Besides, we summarize the most recent advances in the identification of novel pharmacological tools that could be successfully used in clinical therapy.
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Affiliation(s)
- Francesco Moccia
- Laboratory of General Physiology, Department of Biology and Biotechnology "Lazzaro Spallanzani", University of Pavia, Via Forlanini 6, 27100, Pavia, Italy.
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Zuccolo E, Dragoni S, Poletto V, Catarsi P, Guido D, Rappa A, Reforgiato M, Lodola F, Lim D, Rosti V, Guerra G, Moccia F. Arachidonic acid-evoked Ca 2+ signals promote nitric oxide release and proliferation in human endothelial colony forming cells. Vascul Pharmacol 2016; 87:159-171. [PMID: 27634591 DOI: 10.1016/j.vph.2016.09.005] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2016] [Revised: 06/10/2016] [Accepted: 09/10/2016] [Indexed: 02/04/2023]
Abstract
Arachidonic acid (AA) stimulates endothelial cell (EC) proliferation through an increase in intracellular Ca2+ concentration ([Ca2+]i), that, in turn, promotes nitric oxide (NO) release. AA-evoked Ca2+ signals are mainly mediated by Transient Receptor Potential Vanilloid 4 (TRPV4) channels. Circulating endothelial colony forming cells (ECFCs) represent the only established precursors of ECs. In the present study, we, therefore, sought to elucidate whether AA promotes human ECFC (hECFC) proliferation through an increase in [Ca2+]i and the following activation of the endothelial NO synthase (eNOS). AA induced a dose-dependent [Ca2+]i raise that was mimicked by its non-metabolizable analogue eicosatetraynoic acid. AA-evoked Ca2+ signals required both intracellular Ca2+ release and external Ca2+ inflow. AA-induced Ca2+ release was mediated by inositol-1,4,5-trisphosphate receptors from the endoplasmic reticulum and by two pore channel 1 from the acidic stores of the endolysosomal system. AA-evoked Ca2+ entry was, in turn, mediated by TRPV4, while it did not involve store-operated Ca2+ entry. Moreover, AA caused an increase in NO levels which was blocked by preventing the concomitant increase in [Ca2+]i and by inhibiting eNOS activity with NG-nitro-l-arginine methyl ester (l-NAME). Finally, AA per se did not stimulate hECFC growth, but potentiated growth factors-induced hECFC proliferation in a Ca2+- and NO-dependent manner. Therefore, AA-evoked Ca2+ signals emerge as an additional target to prevent cancer vascularisation, which may be sustained by ECFC recruitment.
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Affiliation(s)
- Estella Zuccolo
- Laboratory of General Physiology, Department of Biology and Biotechnology "L. Spallanzani", University of Pavia, 27100 Pavia, Italy
| | - Silvia Dragoni
- Department of Cell Biology, Institute of Ophthalmology, University College London, 11-43 Bath Street, EC1V 9EL London, United Kingdom
| | - Valentina Poletto
- Center for the Study of Myelofibrosis, Biotechnology Research Laboratory, Fondazione IRCCS Policlinico San Matteo, 27100 Pavia, Italy
| | - Paolo Catarsi
- Center for the Study of Myelofibrosis, Biotechnology Research Laboratory, Fondazione IRCCS Policlinico San Matteo, 27100 Pavia, Italy
| | - Daniele Guido
- Laboratory of General Physiology, Department of Biology and Biotechnology "L. Spallanzani", University of Pavia, 27100 Pavia, Italy
| | - Alessandra Rappa
- Laboratory of General Physiology, Department of Biology and Biotechnology "L. Spallanzani", University of Pavia, 27100 Pavia, Italy
| | - Marta Reforgiato
- Laboratory of General Physiology, Department of Biology and Biotechnology "L. Spallanzani", University of Pavia, 27100 Pavia, Italy
| | - Francesco Lodola
- Laboratory of General Physiology, Department of Biology and Biotechnology "L. Spallanzani", University of Pavia, 27100 Pavia, Italy
| | - Dmitry Lim
- Department of Pharmaceutical Sciences, Università del Piemonte Orientale "Amedeo Avogadro", 28100 Novara, Italy
| | - Vittorio Rosti
- Center for the Study of Myelofibrosis, Biotechnology Research Laboratory, Fondazione IRCCS Policlinico San Matteo, 27100 Pavia, Italy
| | - Germano Guerra
- Department of Medicine and Health Sciences "Vincenzo Tiberio", University of Molise, 86100 Campobasso, Italy
| | - Francesco Moccia
- Department of Cell Biology, Institute of Ophthalmology, University College London, 11-43 Bath Street, EC1V 9EL London, United Kingdom.
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Zuccolo E, Bottino C, Diofano F, Poletto V, Codazzi AC, Mannarino S, Campanelli R, Fois G, Marseglia GL, Guerra G, Montagna D, Laforenza U, Rosti V, Massa M, Moccia F. Constitutive Store-Operated Ca2+ Entry Leads to Enhanced Nitric Oxide Production and Proliferation in Infantile Hemangioma-Derived Endothelial Colony-Forming Cells. Stem Cells Dev 2016; 25:301-19. [DOI: 10.1089/scd.2015.0240] [Citation(s) in RCA: 43] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Affiliation(s)
- Estella Zuccolo
- Laboratory of General Physiology, Department of Biology and Biotechnology “Lazzaro Spallanzani,” University of Pavia, Pavia, Italy
| | - Cinzia Bottino
- Department of Molecular Medicine, University of Pavia, Pavia, Italy
| | - Federica Diofano
- Laboratory of General Physiology, Department of Biology and Biotechnology “Lazzaro Spallanzani,” University of Pavia, Pavia, Italy
| | - Valentina Poletto
- Research Laboratory of Biotechnology, Center for the Study of Myelofibrosis, Foundation IRCCS Policlinico San Matteo, Pavia, Italy
| | | | - Savina Mannarino
- Department of Pediatrics, Foundation IRCCS Policlinico San Matteo, Pavia, Italy
| | - Rita Campanelli
- Research Laboratory of Biotechnology, Center for the Study of Myelofibrosis, Foundation IRCCS Policlinico San Matteo, Pavia, Italy
| | - Gabriella Fois
- Research Laboratory of Biotechnology, Center for the Study of Myelofibrosis, Foundation IRCCS Policlinico San Matteo, Pavia, Italy
| | | | - Germano Guerra
- Department of Medicine and Health Sciences “Vincenzo Tiberio,” University of Molise, Campobasso, Italy
| | - Daniela Montagna
- Laboratory of Immunology Transplantation, Foundation IRCCS Policlinico San Matteo, Pavia, Italy
| | | | - Vittorio Rosti
- Research Laboratory of Biotechnology, Center for the Study of Myelofibrosis, Foundation IRCCS Policlinico San Matteo, Pavia, Italy
| | - Margherita Massa
- Laboratory of Biotechnology, Foundation IRCCS Policlinico San Matteo, Pavia, Italy
| | - Francesco Moccia
- Laboratory of General Physiology, Department of Biology and Biotechnology “Lazzaro Spallanzani,” University of Pavia, Pavia, Italy
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Zuccolo E, Lim D, Poletto V, Guerra G, Tanzi F, Rosti V, Moccia F. Acidic Ca2+ stores interact with the endoplasmic reticulum to shape intracellular Ca2+ signals in human endothelial progenitor cells. Vascul Pharmacol 2015. [DOI: 10.1016/j.vph.2015.11.082] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Zuccolo E, Poletto V, Guerra G, Rosti V, Moccia F. Arachidonic acid stimulates endothelial progenitor cell proliferation through an increase in Ca2+ concentration and nitric oxide production. Vascul Pharmacol 2015. [DOI: 10.1016/j.vph.2015.11.038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Moccia F, Ruffinatti F, Zuccolo E. Intracellular Ca 2+ Signals to Reconstruct A Broken Heart: Still A Theoretical Approach? Curr Drug Targets 2015; 16:793-815. [DOI: 10.2174/1389450116666141219121723] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2014] [Revised: 11/24/2014] [Accepted: 11/25/2014] [Indexed: 11/22/2022]
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Moccia F, Zuccolo E, Soda T, Tanzi F, Guerra G, Mapelli L, Lodola F, D'Angelo E. Stim and Orai proteins in neuronal Ca(2+) signaling and excitability. Front Cell Neurosci 2015; 9:153. [PMID: 25964739 PMCID: PMC4408853 DOI: 10.3389/fncel.2015.00153] [Citation(s) in RCA: 125] [Impact Index Per Article: 13.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2015] [Accepted: 04/03/2015] [Indexed: 02/01/2023] Open
Abstract
Stim1 and Orai1 are ubiquitous proteins that have long been known to mediate Ca2+ release-activated Ca2+ (CRAC) current (ICRAC) and store-operated Ca2+ entry (SOCE) only in non-excitable cells. SOCE is activated following the depletion of the endogenous Ca2+ stores, which are mainly located within the endoplasmic reticulum (ER), to replete the intracellular Ca2+ reservoir and engage specific Ca2+-dependent processes, such as proliferation, migration, cytoskeletal remodeling, and gene expression. Their paralogs, Stim2, Orai2 and Orai3, support SOCE in heterologous expression systems, but their physiological role is still obscure. Ca2+ inflow in neurons has long been exclusively ascribed to voltage-operated and receptor-operated channels. Nevertheless, recent work has unveiled that Stim1–2 and Orai1-2, but not Orai3, proteins are also expressed and mediate SOCE in neurons. Herein, we survey current knowledge about the neuronal distribution of Stim and Orai proteins in rodent and human brains; we further discuss that Orai2 is the main pore-forming subunit of CRAC channels in central neurons, in which it may be activated by either Stim1 or Stim2 depending on species, brain region and physiological stimuli. We examine the functions regulated by SOCE in neurons, where this pathway is activated under resting conditions to refill the ER, control spinogenesis and regulate gene transcription. Besides, we highlighted the possibility that SOCE also controls neuronal excitation and regulate synaptic plasticity. Finally, we evaluate the involvement of Stim and Orai proteins in severe neurodegenerative and neurological disorders, such as Alzheimer’s disease and epilepsy.
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Affiliation(s)
- Francesco Moccia
- Laboratory of General Physiology, Department of Biology and Biotechnology "Lazzaro Spallanzani", University of Pavia Pavia, Italy
| | - Estella Zuccolo
- Laboratory of General Physiology, Department of Biology and Biotechnology "Lazzaro Spallanzani", University of Pavia Pavia, Italy
| | - Teresa Soda
- Neurophysiology Unit, Department of Brain and Behavioral Sciences, University of Pavia Pavia, Italy
| | - Franco Tanzi
- Laboratory of General Physiology, Department of Biology and Biotechnology "Lazzaro Spallanzani", University of Pavia Pavia, Italy
| | - Germano Guerra
- Department of Medicine and Health Sciences, University of Molise Campobasso, Italy
| | - Lisa Mapelli
- Neurophysiology Unit, Department of Brain and Behavioral Sciences, University of Pavia Pavia, Italy ; Museo Storico della Fisica e Centro di Studi e Ricerche Enrico Fermi Roma, Italy
| | - Francesco Lodola
- Laboratory of Molecular Cardiology, IRCCS Fondazione Salvatore Maugeri Pavia, Italy
| | - Egidio D'Angelo
- Neurophysiology Unit, Department of Brain and Behavioral Sciences, University of Pavia Pavia, Italy ; Brain Connectivity Center, C. Mondino National Neurological Institute, Fondazione IRCCS Policlinico San Matteo Pavia Pavia, Italy
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