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García E, Gil P, Miñambres I, Benitez-Amaro A, Rodríguez C, Claudi L, Julve J, Benitez S, Sánchez-Quesada JL, Rives J, Garcia-Moll X, Vilades D, Perez A, Llorente-Cortes V. Increased sLRP1 and decreased atrial natriuretic peptide plasma levels in newly diagnosed T2DM patients are normalized after optimization of glycemic control. Front Endocrinol (Lausanne) 2023; 14:1236487. [PMID: 37635956 PMCID: PMC10450024 DOI: 10.3389/fendo.2023.1236487] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Accepted: 07/20/2023] [Indexed: 08/29/2023] Open
Abstract
Background Low-density lipoprotein receptor-related protein 1 (LRP1) negatively modulates circulating atrial natriuretic peptide (ANP) levels. Both molecules are involved in the regulation of cardiometabolism. Objectives To evaluate soluble LRP1 (sLRP1) and ANP levels in people with newly diagnosed type 2 diabetes mellitus (T2DM) and determine the effects of metabolic optimization. Methods This single-center longitudinal observational study recruited patients with newly diagnosed T2DM (n = 29, HbA1c > 8.5%), and 12 healthy control, age- and sex-matched volunteers. sLRP1 and ANP levels were measured by immunoassays at T2DM onset and at one year after optimization of glycemic control (HbA1c ≤ 6.5%). Results T2DM had higher sLRP1 levels than the control group (p = 0.014) and lower ANP levels (p =0.002). At 12 months, 23 T2DM patients reached the target of HbA1c ≤ 6.5%. These patients significantly reduced sLRP1 and increased ANP levels. Patients who did not achieve HbA1c < 6.5% failed to normalize sLRP1 and ANP levels. There was an inverse correlation in the changes in sLRP1 and ANP (p = 0.031). The extent of sLRP1 changes over 12 months of metabolic control positively correlated with those of total cholesterol, LDL cholesterol, TG, TG/HDLc, and apolipoprotein B. Conclusions Newly diagnosed T2DM patients have an increased sLRP1/ANP ratio, and increased sLRP1 and decreased ANP levels are normalized in the T2DM patients that reached an strict glycemic and metabolic control. sLRP1/ANP ratio could be a reliable marker of cardiometabolic function.
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Affiliation(s)
- Eduardo García
- Institut de Recerca de l’Hospital de la santa Creu i Sant Pau, Sant Quintí, Barcelona, Spain
- Biomedical Research Institute Sant Pau (IIB Sant Pau), Sant Quintí, Barcelona, Spain
- Institute of Biomedical Research of Barcelona (IIBB), Spanish National Research Council (CSIC), Barcelona, Spain
- Universitat Autònoma de Barcelona, Barcelona, Spain
| | - Pedro Gil
- Endocrinology and Nutrition Service, Hospital de la Santa Creu i Sant Pau, Sant Quintí, Barcelona, Spain
| | - Inka Miñambres
- Endocrinology and Nutrition Service, Hospital de la Santa Creu i Sant Pau, Sant Quintí, Barcelona, Spain
| | - Aleyda Benitez-Amaro
- Institut de Recerca de l’Hospital de la santa Creu i Sant Pau, Sant Quintí, Barcelona, Spain
- Biomedical Research Institute Sant Pau (IIB Sant Pau), Sant Quintí, Barcelona, Spain
- Institute of Biomedical Research of Barcelona (IIBB), Spanish National Research Council (CSIC), Barcelona, Spain
| | - Claudia Rodríguez
- Endocrinology and Nutrition Service, Hospital de la Santa Creu i Sant Pau, Sant Quintí, Barcelona, Spain
| | - Lene Claudi
- Institut de Recerca de l’Hospital de la santa Creu i Sant Pau, Sant Quintí, Barcelona, Spain
- Biomedical Research Institute Sant Pau (IIB Sant Pau), Sant Quintí, Barcelona, Spain
- Institute of Biomedical Research of Barcelona (IIBB), Spanish National Research Council (CSIC), Barcelona, Spain
| | - Josep Julve
- Institut de Recerca de l’Hospital de la santa Creu i Sant Pau, Sant Quintí, Barcelona, Spain
- Biomedical Research Institute Sant Pau (IIB Sant Pau), Sant Quintí, Barcelona, Spain
- Endocrinology and Nutrition Service, Hospital de la Santa Creu i Sant Pau, Sant Quintí, Barcelona, Spain
- Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas (CIBERDEM), Instituto de Salud Carlos III, Madrid, Spain
| | - Sonia Benitez
- Institut de Recerca de l’Hospital de la santa Creu i Sant Pau, Sant Quintí, Barcelona, Spain
- Biomedical Research Institute Sant Pau (IIB Sant Pau), Sant Quintí, Barcelona, Spain
- Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas (CIBERDEM), Instituto de Salud Carlos III, Madrid, Spain
| | - Jose Luís Sánchez-Quesada
- Institut de Recerca de l’Hospital de la santa Creu i Sant Pau, Sant Quintí, Barcelona, Spain
- Biomedical Research Institute Sant Pau (IIB Sant Pau), Sant Quintí, Barcelona, Spain
- Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas (CIBERDEM), Instituto de Salud Carlos III, Madrid, Spain
| | - Jose Rives
- Institut de Recerca de l’Hospital de la santa Creu i Sant Pau, Sant Quintí, Barcelona, Spain
- Biomedical Research Institute Sant Pau (IIB Sant Pau), Sant Quintí, Barcelona, Spain
| | - Xavier Garcia-Moll
- Cardiology Department, Santa Creu i Sant Pau University Hospital, Barcelona, Spain
| | - David Vilades
- Cardiology Department, Santa Creu i Sant Pau University Hospital, Barcelona, Spain
- Cardiac Imaging Unit, Cardiology Department, Santa Creu i Sant Pau University Hospital, Barcelona, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Cardiovasculares (CIBERCV), Institute of Health Carlos III, Madrid, Spain
| | - Antonio Perez
- Endocrinology and Nutrition Service, Hospital de la Santa Creu i Sant Pau, Sant Quintí, Barcelona, Spain
- Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas (CIBERDEM), Instituto de Salud Carlos III, Madrid, Spain
| | - Vicenta Llorente-Cortes
- Institut de Recerca de l’Hospital de la santa Creu i Sant Pau, Sant Quintí, Barcelona, Spain
- Biomedical Research Institute Sant Pau (IIB Sant Pau), Sant Quintí, Barcelona, Spain
- Institute of Biomedical Research of Barcelona (IIBB), Spanish National Research Council (CSIC), Barcelona, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Cardiovasculares (CIBERCV), Institute of Health Carlos III, Madrid, Spain
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Bhattacharya A, Ashouri R, Fangman M, Mazur A, Garett T, Doré S. Soluble Receptors Affecting Stroke Outcomes: Potential Biomarkers and Therapeutic Tools. Int J Mol Sci 2021; 22:1108. [PMID: 33498620 DOI: 10.3390/ijms22031108] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Revised: 01/16/2021] [Accepted: 01/19/2021] [Indexed: 02/06/2023] Open
Abstract
Soluble receptors are widely understood to be freestanding moieties formed via cleavage from their membrane-bound counterparts. They have unique structures, are found among various receptor families, and have intriguing mechanisms of generation and release. Soluble receptors’ ability to exhibit pleiotropic action by receptor modulation or by exhibiting a dual role in cytoprotection and neuroinflammation is concentration dependent and has continually mystified researchers. Here, we have compiled findings from preclinical and clinical studies to provide insights into the role of soluble/decoy receptors, focusing on the soluble cluster of differentiation 36, the soluble cluster of differentiation 163, and soluble lipoprotein-related protein 1 (sCD36, sCD163, and sLRP1, respectively) and the functions they could likely serve in the management of stroke, as they would notably regulate the bioavailability of the hemoglobin and heme after red blood cell lysis. The key roles that these soluble receptors play in inflammation, oxidative stress, and the related pharmacotherapeutic potential in improving stroke outcomes are described. The precise pleiotropic physiological functions of soluble receptors remain unclear, and further scientific investigation/validation is required to establish their respective role in diagnosis and therapy.
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Roura S, Gálvez-Montón C, de Gonzalo-Calvo D, Valero AG, Gastelurrutia P, Revuelta-López E, Prat-Vidal C, Soler-Botija C, Llucià-Valldeperas A, Perea-Gil I, Iborra-Egea O, Borràs FE, Lupón J, Llorente-Cortés V, Bayes-Genis A. Extracellular vesicles do not contribute to higher circulating levels of soluble LRP1 in idiopathic dilated cardiomyopathy. J Cell Mol Med 2017; 21:3000-3009. [PMID: 28557183 PMCID: PMC5661250 DOI: 10.1111/jcmm.13211] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [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: 12/20/2016] [Accepted: 02/28/2017] [Indexed: 12/18/2022] Open
Abstract
Idiopathic dilated cardiomyopathy (IDCM) is a frequent cause of heart transplantation. Potentially valuable blood markers are being sought, and low‐density lipoprotein receptor‐related protein 1 (LRP1) has been linked to the underlying molecular basis of the disease. This study compared circulating levels of soluble LRP1 (sLRP1) in IDCM patients and healthy controls and elucidated whether sLRP1 is exported out of the myocardium through extracellular vesicles (EVs) to gain a better understanding of the pathogenesis of the disease. LRP1 α chain expression was analysed in samples collected from the left ventricles of explanted hearts using immunohistochemistry. sLRP1 concentrations were determined in platelet‐free plasma by enzyme‐linked immunosorbent assay. Plasma‐derived EVs were extracted by size‐exclusion chromatography (SEC) and characterized by nanoparticle tracking analysis and cryo‐transmission electron microscopy. The distributions of vesicular (CD9, CD81) and myocardial (caveolin‐3) proteins and LRP1 α chain were assessed in SEC fractions by flow cytometry. LRP1 α chain was preferably localized to blood vessels in IDCM compared to control myocardium. Circulating sLRP1 was increased in IDCM patients. CD9‐ and CD81‐positive fractions enriched with membrane vesicles with the expected size and morphology were isolated from both groups. The LRP1 α chain was not present in these SEC fractions, which were also positive for caveolin‐3. The increase in circulating sLRP1 in IDCM patients may be clinically valuable. Although EVs do not contribute to higher sLRP1 levels in IDCM, a comprehensive analysis of EV content would provide further insights into the search for novel blood markers.
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Affiliation(s)
- Santiago Roura
- Heart Failure and Cardiac Regeneration (ICREC) Research Program, Health Science Research Institute Germans Trias i Pujol (IGTP), Badalona, Spain.,Center of Regenerative Medicine in Barcelona, Barcelona, Spain.,CIBERCV, Instituto de Salud Carlos III, Madrid, Spain
| | - Carolina Gálvez-Montón
- Heart Failure and Cardiac Regeneration (ICREC) Research Program, Health Science Research Institute Germans Trias i Pujol (IGTP), Badalona, Spain.,CIBERCV, Instituto de Salud Carlos III, Madrid, Spain
| | - David de Gonzalo-Calvo
- CIBERCV, Instituto de Salud Carlos III, Madrid, Spain.,Cardiovascular Research Center, CSIC-ICCC, IIB-Sant Pau, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain
| | - Ana Gámez Valero
- Innovation in Vesicles and Cells for Application in Therapy Group, IGTP, Badalona, Spain
| | - Paloma Gastelurrutia
- Heart Failure and Cardiac Regeneration (ICREC) Research Program, Health Science Research Institute Germans Trias i Pujol (IGTP), Badalona, Spain.,CIBERCV, Instituto de Salud Carlos III, Madrid, Spain
| | - Elena Revuelta-López
- Heart Failure and Cardiac Regeneration (ICREC) Research Program, Health Science Research Institute Germans Trias i Pujol (IGTP), Badalona, Spain
| | - Cristina Prat-Vidal
- Heart Failure and Cardiac Regeneration (ICREC) Research Program, Health Science Research Institute Germans Trias i Pujol (IGTP), Badalona, Spain.,CIBERCV, Instituto de Salud Carlos III, Madrid, Spain
| | - Carolina Soler-Botija
- Heart Failure and Cardiac Regeneration (ICREC) Research Program, Health Science Research Institute Germans Trias i Pujol (IGTP), Badalona, Spain.,CIBERCV, Instituto de Salud Carlos III, Madrid, Spain
| | - Aida Llucià-Valldeperas
- Heart Failure and Cardiac Regeneration (ICREC) Research Program, Health Science Research Institute Germans Trias i Pujol (IGTP), Badalona, Spain
| | - Isaac Perea-Gil
- Heart Failure and Cardiac Regeneration (ICREC) Research Program, Health Science Research Institute Germans Trias i Pujol (IGTP), Badalona, Spain
| | - Oriol Iborra-Egea
- Heart Failure and Cardiac Regeneration (ICREC) Research Program, Health Science Research Institute Germans Trias i Pujol (IGTP), Badalona, Spain
| | - Francesc E Borràs
- Innovation in Vesicles and Cells for Application in Therapy Group, IGTP, Badalona, Spain.,Nephrology Service, Germans Trias i Pujol University Hospital (HUGTiP), Badalona, Spain
| | - Josep Lupón
- CIBERCV, Instituto de Salud Carlos III, Madrid, Spain.,Cardiology Service, HUGTiP, Badalona, Spain.,Department of Medicine, Barcelona Autonomous University (UAB), Barcelona, Spain
| | - Vicenta Llorente-Cortés
- CIBERCV, Instituto de Salud Carlos III, Madrid, Spain.,Cardiovascular Research Center, CSIC-ICCC, IIB-Sant Pau, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain.,Institute of Biomedical Research of Barcelona (IIBB), Spanish National Research Council (CSIC), Barcelona, Spain
| | - Antoni Bayes-Genis
- Heart Failure and Cardiac Regeneration (ICREC) Research Program, Health Science Research Institute Germans Trias i Pujol (IGTP), Badalona, Spain.,CIBERCV, Instituto de Salud Carlos III, Madrid, Spain.,Cardiology Service, HUGTiP, Badalona, Spain.,Department of Medicine, Barcelona Autonomous University (UAB), Barcelona, Spain
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Sagare AP, Bell RD, Srivastava A, Sengillo JD, Singh I, Nishida Y, Chow N, Zlokovic BV. A lipoprotein receptor cluster IV mutant preferentially binds amyloid-β and regulates its clearance from the mouse brain. J Biol Chem 2013; 288:15154-66. [PMID: 23580652 DOI: 10.1074/jbc.m112.439570] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Soluble low density lipoprotein receptor-related protein-1 (sLRP1) binds ~70% of amyloid β-peptide (Aβ) in human plasma. In Alzheimer disease (AD) and individuals with mild cognitive impairment converting to AD, plasma sLRP1 levels are reduced and sLRP1 is oxidized, which results in diminished Aβ peripheral binding and higher levels of free Aβ in plasma. Experimental studies have shown that free circulating Aβ re-enters the brain and that sLRP1 and/or its recombinant wild type cluster IV (WT-LRPIV) prevent Aβ from entering the brain. Treatment of Alzheimer APPsw(+/0) mice with WT-LRPIV has been shown to reduce brain Aβ pathology. In addition to Aβ, LRPIV binds multiple ligands. To enhance LRPIV binding for Aβ relative to other LRP1 ligands, we generated a library of LRPIV-derived fragments and full-length LRPIV variants with glycine replacing aspartic acid residues 3394, 3556, and 3674 in the calcium binding sites. Compared with WT-LRPIV, a lead LRPIV-D3674G mutant had 1.6- and 2.7-fold higher binding affinity for Aβ40 and Aβ42 in vitro, respectively, and a lower binding affinity for other LRP1 ligands (e.g. apolipoprotein E2, E3, and E4 (1.3-1.8-fold), tissue plasminogen activator (2.7-fold), matrix metalloproteinase-9 (4.1-fold), and Factor Xa (3.8-fold)). LRPIV-D3674G cleared mouse endogenous brain Aβ40 and Aβ42 25-27% better than WT-LRPIV. A 3-month subcutaneous treatment of APPsw(+/0) mice with LRPIV-D3674G (40 μg/kg/day) reduced Aβ40 and Αβ42 levels in the hippocampus, cortex, and cerebrospinal fluid by 60-80% and improved cerebral blood flow responses and hippocampal function at 9 months of age. Thus, LRPIV-D3674G is an efficient new Aβ clearance therapy.
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Affiliation(s)
- Abhay P Sagare
- Zilkha Neurogenetic Institute and Department of Physiology and Biophysics, Keck School of Medicine, University of Southern California, Los Angeles, California 90033, USA
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