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Connes P, Renoux C, Joly P, Nader E. Vascular pathophysiology of sickle cell disease. Presse Med 2023; 52:104202. [PMID: 37944640 DOI: 10.1016/j.lpm.2023.104202] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Accepted: 11/05/2023] [Indexed: 11/12/2023] Open
Abstract
Sickle cell disease (SCD) is an hereditary disorder characterized by the production of an abnormal hemoglobin called hemoglobin S (HbS). HbS may polymerize in deoxygenated conditions, which leads to red blood cell (RBC) sickling. Sickled RBCs are more rigid and fragile, and prone to lysis. SCD patients exhibit various acute and/or chronic complications, which may affect several organs. The clinical presentation of SCD is highly variable from one patient to another and cannot be only explained by RBC sickling. Increased blood viscosity, caused by the presence of RBCs with abnormal deformability and aggregation, may increase vascular resistance and increase the risk of acute and chronic vascular complications. Chronic hemolysis results in decreased nitric oxide (NO) bioavailability which may compromise vasodilation and participate to the development of chronic vasculopathy. Furthermore, chronic hemolysis is responsible for increased inflammation and oxidative stress, which affect the vascular system and may promote the adhesion of circulating cells to endothelial cells. Extracellular vesicles and especially RBC microparticles (massively released in the context of SCD) are also at the origin of vascular damages and increased white blood cells adhesion to the endothelium, which may trigger vaso-occlusive crisis and other vascular-related complications. This review highlights the fact that SCD should not only be considered as a hematological disorder but also as a vascular disease.
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Affiliation(s)
- Philippe Connes
- Laboratoire Interuniversitaire de Biologie de la Motricité (LIBM) EA7424, Team « Vascular Biology and Red Blood Cell », Université Claude Bernard Lyon 1, Université de Lyon, France; Laboratoire d'Excellence du Globule Rouge (Labex GR-Ex), PRES Sorbonne, Paris, France.
| | - Céline Renoux
- Laboratoire Interuniversitaire de Biologie de la Motricité (LIBM) EA7424, Team « Vascular Biology and Red Blood Cell », Université Claude Bernard Lyon 1, Université de Lyon, France; Laboratoire d'Excellence du Globule Rouge (Labex GR-Ex), PRES Sorbonne, Paris, France; Service de Biochimie et Biologie Moléculaire, Laboratoire de Biologie Médicale Multi-site, Hospices Civils de Lyon, Lyon, France
| | - Philippe Joly
- Laboratoire Interuniversitaire de Biologie de la Motricité (LIBM) EA7424, Team « Vascular Biology and Red Blood Cell », Université Claude Bernard Lyon 1, Université de Lyon, France; Laboratoire d'Excellence du Globule Rouge (Labex GR-Ex), PRES Sorbonne, Paris, France; Service de Biochimie et Biologie Moléculaire, Laboratoire de Biologie Médicale Multi-site, Hospices Civils de Lyon, Lyon, France
| | - Elie Nader
- Laboratoire Interuniversitaire de Biologie de la Motricité (LIBM) EA7424, Team « Vascular Biology and Red Blood Cell », Université Claude Bernard Lyon 1, Université de Lyon, France; Laboratoire d'Excellence du Globule Rouge (Labex GR-Ex), PRES Sorbonne, Paris, France
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Poutrel S, Boisson C, Nader E, Renoux C, Virot E, Catella J, Marie M, Hot A, Cannas G, Bertrand Y, Joly P, Connes C, Merazga S, Gauthier A, Connes P. Clinical severity and blood rheology in patients with sickle cell anaemia and co-existing autoimmune disease. Br J Haematol 2023; 200:e28-e31. [PMID: 36545779 DOI: 10.1111/bjh.18624] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Revised: 11/23/2022] [Accepted: 12/11/2022] [Indexed: 12/24/2022]
Affiliation(s)
- Solène Poutrel
- Laboratoire Interuniversitaire de Biologie de la Motricité (LIBM) EA7424, Team "Vascular Biology and Red Blood Cell", Université Claude Bernard Lyon 1, Université de Lyon, Lyon, France.,Laboratoire d'Excellence du Globule Rouge (Labex GR-Ex), PRES Sorbonne, Paris, France.,Département de Médecine Interne, HôpitalEdouard Herriot, Hospices Civils de Lyon, Lyon, France
| | - Camille Boisson
- Laboratoire Interuniversitaire de Biologie de la Motricité (LIBM) EA7424, Team "Vascular Biology and Red Blood Cell", Université Claude Bernard Lyon 1, Université de Lyon, Lyon, France.,Laboratoire d'Excellence du Globule Rouge (Labex GR-Ex), PRES Sorbonne, Paris, France.,Laboratoire de Biochimie et de Biologie Moléculaire, UF de biochimie des pathologies érythrocytaires, Centre de Biologie et de Pathologie Est, Hospices Civils de Lyon, Lyon, France
| | - Elie Nader
- Laboratoire Interuniversitaire de Biologie de la Motricité (LIBM) EA7424, Team "Vascular Biology and Red Blood Cell", Université Claude Bernard Lyon 1, Université de Lyon, Lyon, France.,Laboratoire d'Excellence du Globule Rouge (Labex GR-Ex), PRES Sorbonne, Paris, France
| | - Céline Renoux
- Laboratoire Interuniversitaire de Biologie de la Motricité (LIBM) EA7424, Team "Vascular Biology and Red Blood Cell", Université Claude Bernard Lyon 1, Université de Lyon, Lyon, France.,Laboratoire d'Excellence du Globule Rouge (Labex GR-Ex), PRES Sorbonne, Paris, France.,Laboratoire de Biochimie et de Biologie Moléculaire, UF de biochimie des pathologies érythrocytaires, Centre de Biologie et de Pathologie Est, Hospices Civils de Lyon, Lyon, France
| | - Emilie Virot
- Laboratoire Interuniversitaire de Biologie de la Motricité (LIBM) EA7424, Team "Vascular Biology and Red Blood Cell", Université Claude Bernard Lyon 1, Université de Lyon, Lyon, France.,Laboratoire d'Excellence du Globule Rouge (Labex GR-Ex), PRES Sorbonne, Paris, France.,Département de Médecine Interne, HôpitalEdouard Herriot, Hospices Civils de Lyon, Lyon, France
| | - Judith Catella
- Laboratoire Interuniversitaire de Biologie de la Motricité (LIBM) EA7424, Team "Vascular Biology and Red Blood Cell", Université Claude Bernard Lyon 1, Université de Lyon, Lyon, France.,Laboratoire d'Excellence du Globule Rouge (Labex GR-Ex), PRES Sorbonne, Paris, France.,Département de Médecine Interne, HôpitalEdouard Herriot, Hospices Civils de Lyon, Lyon, France.,UMR 5305: Laboratoire de Biologie Tissulaire et Ingénierie Thérapeutique, CNRS/Université Claude Bernard Lyon 1, Institut de Biologie et Chimie des Protéines, Lyon, France
| | - Manon Marie
- Département de Médecine Interne, HôpitalEdouard Herriot, Hospices Civils de Lyon, Lyon, France
| | - Arnaud Hot
- Département de Médecine Interne, HôpitalEdouard Herriot, Hospices Civils de Lyon, Lyon, France
| | - Giovanna Cannas
- Département de Médecine Interne, HôpitalEdouard Herriot, Hospices Civils de Lyon, Lyon, France
| | - Yves Bertrand
- Institut d'Hématologie et d'Oncologie Pédiatrique, Hospices Civils de Lyon, Lyon, France
| | - Philippe Joly
- Laboratoire Interuniversitaire de Biologie de la Motricité (LIBM) EA7424, Team "Vascular Biology and Red Blood Cell", Université Claude Bernard Lyon 1, Université de Lyon, Lyon, France.,Laboratoire d'Excellence du Globule Rouge (Labex GR-Ex), PRES Sorbonne, Paris, France.,Laboratoire de Biochimie et de Biologie Moléculaire, UF de biochimie des pathologies érythrocytaires, Centre de Biologie et de Pathologie Est, Hospices Civils de Lyon, Lyon, France
| | - Catherine Connes
- Laboratoire Interuniversitaire de Biologie de la Motricité (LIBM) EA7424, Team "Vascular Biology and Red Blood Cell", Université Claude Bernard Lyon 1, Université de Lyon, Lyon, France.,Laboratoire d'Excellence du Globule Rouge (Labex GR-Ex), PRES Sorbonne, Paris, France
| | - Salima Merazga
- Département de Médecine Interne, HôpitalEdouard Herriot, Hospices Civils de Lyon, Lyon, France
| | - Alexandra Gauthier
- Laboratoire Interuniversitaire de Biologie de la Motricité (LIBM) EA7424, Team "Vascular Biology and Red Blood Cell", Université Claude Bernard Lyon 1, Université de Lyon, Lyon, France.,Laboratoire d'Excellence du Globule Rouge (Labex GR-Ex), PRES Sorbonne, Paris, France.,Institut d'Hématologie et d'Oncologie Pédiatrique, Hospices Civils de Lyon, Lyon, France
| | - Philippe Connes
- Laboratoire Interuniversitaire de Biologie de la Motricité (LIBM) EA7424, Team "Vascular Biology and Red Blood Cell", Université Claude Bernard Lyon 1, Université de Lyon, Lyon, France.,Laboratoire d'Excellence du Globule Rouge (Labex GR-Ex), PRES Sorbonne, Paris, France
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Computational and experimental characterization of the novel ECM glycoprotein SNED1 and prediction of its interactome. Biochem J 2021; 478:1413-1434. [PMID: 33724335 DOI: 10.1042/bcj20200675] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2020] [Revised: 03/10/2021] [Accepted: 03/16/2021] [Indexed: 01/03/2023]
Abstract
The extracellular matrix (ECM) is a complex meshwork of proteins and an essential component of multicellular life. We have recently reported the characterization of a novel ECM protein, SNED1, and showed that it promotes breast cancer metastasis and regulates craniofacial development. However, the mechanisms by which it does so remain unknown. ECM proteins exert their functions by binding to cell surface receptors and interacting with other ECM proteins, actions that we can predict using knowledge of protein's sequence, structure, and post-translational modifications. Here, we combined in-silico and in-vitro approaches to characterize the physico-chemical properties of SNED1 and infer its putative functions. To do so, we established a mammalian cell system to produce and purify SNED1 and its N-terminal fragment, which contains a NIDO domain, and demonstrated experimentally SNED1's potential to be glycosylated, phosphorylated, and incorporated into an insoluble ECM. We also determined the secondary and tertiary structures of SNED1 and its N-terminal fragment and obtained a model for its NIDO domain. Using computational predictions, we identified 114 proteins as putative SNED1 interactors, including the ECM protein fibronectin. Pathway analysis of the predicted SNED1 interactome further revealed that it may contribute to signaling through cell surface receptors, such as integrins, and participate in the regulation of ECM organization and developmental processes. Last, using fluorescence microscopy, we showed that SNED1 forms microfibrils within the ECM and partially colocalizes with fibronectin. Altogether, we provide a wealth of information on an understudied yet important ECM protein with the potential to decipher its pathophysiological functions.
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Nader E, Conran N, Romana M, Connes P. Vasculopathy in Sickle Cell Disease: From Red Blood Cell Sickling to Vascular Dysfunction. Compr Physiol 2021; 11:1785-1803. [PMID: 33792905 DOI: 10.1002/cphy.c200024] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Sickle cell disease (SCD) is a hereditary disorder that leads to the production of an abnormal hemoglobin, hemoglobin S (HbS). HbS polymerizes in deoxygenated conditions, which can prompt red blood cell (RBC) sickling and leaves the RBCs more rigid, fragile, and prone to hemolysis. SCD patients suffer from a plethora of complications, ranging from acute complications, such as characteristic, frequent, and debilitating vaso-occlusive episodes to chronic organ damage. While RBC sickling is the primary event at the origin of vaso-occlusive processes, other factors that can further increase RBC transit times in the microcirculation may also be required to precipitate vaso-occlusive processes. The adhesion of RBC and leukocytes to activated endothelium and the formation of heterocellular aggregates, as well as increased blood viscosity, are among the mechanisms involved in slowing the progress of RBCs in deoxygenated vascular areas, favoring RBC sickling and promoting vascular occlusion. Chronic inflammatory processes and oxidative stress, which are perpetuated by hemolytic events and ischemia-reperfusion injury, result in this pan cellular activation and some acute events, such as stroke and acute chest syndrome, as well as chronic end-organ damage. Furthermore, impaired vasodilation and vasomotor hyperresponsiveness in SCD also contribute to vaso-occlusive processes. Treating SCD as a vascular disease in addition to its hematological perspective, the present article looks at the interplay between abnormal RBC physiology/integrity, vascular dysfunction and clinical severity in SCD, and discusses existing therapies and novel drugs in development that may ameliorate vascular complications in the disease. © 2021 American Physiological Society. Compr Physiol 11:1785-1803, 2021.
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Affiliation(s)
- Elie Nader
- Laboratoire Interuniversitaire de Biologie de la Motricité (LIBM) EA7424, Team Vascular Biology and Red Blood Cell, Université Claude Bernard Lyon 1, Université de Lyon, Lyon, France.,Laboratoire d'Excellence du Globule Rouge (Labex GR-Ex), PRES Sorbonne, Paris, France
| | - Nicola Conran
- Hematology Center, University of Campinas - UNICAMP, Cidade Universitária, Campinas-SP, Brazil
| | - Marc Romana
- Laboratoire d'Excellence du Globule Rouge (Labex GR-Ex), PRES Sorbonne, Paris, France.,Université des Antilles, UMR_S1134, BIGR, Pointe-à-Pitre, France.,Université de Paris, UMR_S1134, BIGR, INSERM, Paris, France
| | - Philippe Connes
- Laboratoire Interuniversitaire de Biologie de la Motricité (LIBM) EA7424, Team Vascular Biology and Red Blood Cell, Université Claude Bernard Lyon 1, Université de Lyon, Lyon, France.,Laboratoire d'Excellence du Globule Rouge (Labex GR-Ex), PRES Sorbonne, Paris, France
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Stauffer E, Loyrion E, Hancco I, Waltz X, Ulliel‐Roche M, Oberholzer L, Robach P, Pichon A, Brugniaux JV, Bouzat P, Doutreleau S, Connes P, Verges S. Blood viscosity and its determinants in the highest city in the world. J Physiol 2020; 598:4121-4130. [DOI: 10.1113/jp279694] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2020] [Accepted: 05/07/2020] [Indexed: 12/14/2022] Open
Affiliation(s)
- Emeric Stauffer
- Laboratoire Interuniversitaire de Biologie de la Motricité (LIBM) EA7424 Team ‘Biologie vasculaire et du globule rouge’ Université Claude Bernard Lyon 1 Université de Lyon France
- Laboratoire d'Excellence du Globule Rouge (Labex GR‐Ex) PRES Sorbonne Paris France
- Centre de Médecine du Sommeil et des Maladies Respiratoires Hospices Civils de Lyon Hôpital Croix Rousse Lyon France
| | - Emmanuelle Loyrion
- HP2 laboratory Université Grenoble Alpes, Inserm, CHU Grenoble Alpes, Faculté de Médecine Grenoble 38000 France
| | - Ivan Hancco
- HP2 laboratory Université Grenoble Alpes, Inserm, CHU Grenoble Alpes, Faculté de Médecine Grenoble 38000 France
| | - Xavier Waltz
- HP2 laboratory Université Grenoble Alpes, Inserm, CHU Grenoble Alpes, Faculté de Médecine Grenoble 38000 France
| | - Mathilde Ulliel‐Roche
- HP2 laboratory Université Grenoble Alpes, Inserm, CHU Grenoble Alpes, Faculté de Médecine Grenoble 38000 France
| | - Laura Oberholzer
- The Centre of Inflammation and Metabolism and the Centre for Physical Activity Research Rigshospitalet University of Copenhagen Copenhagen Denmark
| | - Paul Robach
- HP2 laboratory Université Grenoble Alpes, Inserm, CHU Grenoble Alpes, Faculté de Médecine Grenoble 38000 France
- National School for Mountain Sports Site of the National School for Skiing and Mountaineering (ENSA) Chamonix France
| | | | - Julien V. Brugniaux
- HP2 laboratory Université Grenoble Alpes, Inserm, CHU Grenoble Alpes, Faculté de Médecine Grenoble 38000 France
| | - Pierre Bouzat
- HP2 laboratory Université Grenoble Alpes, Inserm, CHU Grenoble Alpes, Faculté de Médecine Grenoble 38000 France
| | - Stéphane Doutreleau
- HP2 laboratory Université Grenoble Alpes, Inserm, CHU Grenoble Alpes, Faculté de Médecine Grenoble 38000 France
| | - Philippe Connes
- Laboratoire Interuniversitaire de Biologie de la Motricité (LIBM) EA7424 Team ‘Biologie vasculaire et du globule rouge’ Université Claude Bernard Lyon 1 Université de Lyon France
- Laboratoire d'Excellence du Globule Rouge (Labex GR‐Ex) PRES Sorbonne Paris France
- Institut Universitaire de France Paris France
| | - Samuel Verges
- HP2 laboratory Université Grenoble Alpes, Inserm, CHU Grenoble Alpes, Faculté de Médecine Grenoble 38000 France
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