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Arginase in preeclampsia: study of genetic polymorphism, circulating factors and in vitro assays

Abstract

Preeclampsia is the main cause of mortality and morbidity among pregnant women in Brazil and in several countries. The pathophysiology of this disease is complex and involves several processes. One of them is related to deficiency of the nitric oxide (NO). A possible cause of this deficiency could be the high expression of the enzyme arginase, which competes for the substrate (L-arginine) with eNOS, an enzyme that produces NO mainly in the endothelium, thus reducing the available substrate for NO synthesis. To date, few studies have focused on the study of arginase in preeclampsia, none of which evaluates genetic polymorphisms that could modulate their enzymatic activity and consequently contribute to changes in NO bioavailability. Thus, the present project aims to compare the frequencies of polymorphisms in the genes coding for arginase 1 and arginase 2 between healthy pregnant women and preeclampsia (responsive or not to antihypertensive therapy), the plasma levels of these enzymes, their activity and the correlation of these variables with plasma levels of nitrite (NO biomarker) and sFLT-1. In addition, we will perform in vitro studies (in vitro model of pre-eclampsia) by incubating the plasma of these pregnant women with endothelial cells, together with the arginase inhibitor (BEC) and a potential NADPH oxidase inhibitor (resveratrol) and checking: arginase activity, cytotoxicity, cell viability, apoptosis, production of reactive oxygen species, NO, among other parameters. We believe that the data obtained in this project will bring information relevant to the study and therapy of preeclampsia in the world context. (AU)

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Scientific publications (13)
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
PINTO-SOUZA, CAROLINE C.; COELI-LACCHINI, FERNANDA; LUIZON, MARCELO R.; CAVALLI, RICARDO C.; LACCHINI, RICCARDO; SANDRIM, VALERIA C.. Effects of arginase genetic polymorphisms on nitric oxide formation in healthy pregnancy and in preeclampsia. NITRIC OXIDE-BIOLOGY AND CHEMISTRY, v. 109, p. 20-25, . (19/07230-8)
NUNES, PRISCILA REZECK; PINHEIRO, LUCAS CEZAR; MARTINS, LAISLA ZANETONI; DIAS-JUNIOR, CARLOS ALAN; PALEI, ANA CAROLINA TAVEIROS; SANDRIM, VALERIA CRISTINA. A new look at the role of nitric oxide in preeclampsia: Protein S-nitrosylation. PREGNANCY HYPERTENSION-AN INTERNATIONAL JOURNAL OF WOMENS CARDIOVASCULAR HEALTH, v. 29, p. 7-pg., . (20/14610-9, 17/07570-8, 18/24484-0, 19/07230-8)
VIANA-MATTIOLI, SARAH; CINEGAGLIA, NAIARA; BERTOZZI-MATHEUS, MARIANA; BUENO-PEREIRA, THAINA OMIA; CALDEIRA-DIAS, MAYARA; CAVALLI, RICARDO CARVALHO; SANDRIM, VALERIA CRISTINA. SIRT1-dependent effects of resveratrol and grape juice in an in vitro model of preeclampsia. BIOMEDICINE & PHARMACOTHERAPY, v. 131, . (19/06118-0, 19/07230-8, 15/20461-8)
BUENO-PEREIRA, THAINA OMIA; BERTOZZI-MATHEUS, MARIANA; ZAMPIERI, GABRIELA MORELLI; ABBADE, JOELCIO FRANCISCO; CAVALLI, RICARDO C.; NUNES, PRISCILA REZECK; SANDRIM, VALERIA CRISTINA. Markers of Endothelial Dysfunction Are Attenuated by Resveratrol in Preeclampsia. ANTIOXIDANTS, v. 11, n. 11, p. 12-pg., . (21/01945-5, 20/14610-9, 19/07230-8)
NUNES, PRISCILA REZECK; MATTIOLI, SARAH VIANA; SANDRIM, VALERIA CRISTINA. NLRP3 Activation and Its Relationship to Endothelial Dysfunction and Oxidative Stress: Implications for Preeclampsia and Pharmacological Interventions. CELLS, v. 10, n. 11, p. 14-pg., . (20/14610-9, 19/07230-8)
CERON, CARLA S.; PEREIRA, DANIELA A.; SANDRIM, VALERIA C.; LUIZON, MARCELO R.. otential roles of visfatin/NAMPT on endothelial dysfunction in preeclampsia and pathways underlying cardiac and vascular remodelin. Journal of Cellular Physiology, v. 237, n. 1, . (19/07230-8)
VIANA-MATTIOLI, SARAH; BUENO-PEREIRA, THAINA OMIA; SANDRIM, VALERIA CRISTINA. Letter to the editor regarding: ``Resveratrol and endothelial function: A literature review{''}. PHARMACOLOGICAL RESEARCH, v. 172, . (19/26640-2, 19/07230-8, 19/06118-0)
AMARAL, LORENA M.; SANDRIM, VALERIA C.; KUTCHER, MATTHEW E.; SPRADLEY, FRANK T.; CAVALLI, RICARDO C.; TANUS-SANTOS, JOSE E.; PALEI, ANA C.. Circulating Total Cell-Free DNA Levels Are Increased in Hypertensive Disorders of Pregnancy and Associated with Prohypertensive Factors and Adverse Clinical Outcomes. INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES, v. 22, n. 2, . (19/07230-8)
NUNES, PRISCILA REZECK; BUENO PEREIRA, THAINA OMIA; BERTOZZI MATHEUS, MARIANA; GRANDINI, NUBIA ALVES; SIQUEIRA, JULIANA SILVA; CORREA, CAMILA RENATA; ABBADE, JOELCIO FRANCISCO; SANDRIM, VALERIA CRISTINA. Glibenclamide Increases Nitric Oxide Levels and Decreases Oxidative Stress in an In Vitro Model of Preeclampsia. ANTIOXIDANTS, v. 11, n. 8, p. 12-pg., . (20/14610-9, 19/07230-8)
CRUZ, JULIANA DE O.; CONCEICAO, IZABELA M. C. A.; SANDRIM, VALERIA C.; LUIZON, MARCELO R.. p Comprehensive analyses of DNA methylation of the TIMP3 promoter in placentas from early-onset and late-onset preeclampsia. Placenta, v. 117, p. 118-121, . (19/07230-8)
NUNES, PRISCILA R.; CERON, CARLA S.; LUIZON, MARCELO R.; SANDRIM, VALERIA C.. Interaction among extracellular nicotinamide phosphoribosyltransferase, toll-like receptor-4, and inflammatory cytokines in pre-eclampsia. American Journal of Reproductive Immunology, v. 87, n. 1, . (19/07230-8, 20/14610-9)
VIANA-MATTIOLI, SARAH; FONSECA-ALANIZ, MIRIAM HELENA; PINHEIRO-DE-SOUSA, IGUARACY; KRIEGER, JOSE EDUARDO; SANDRIM, VALERIA CRISTINA. Missi ng links in preeclampsia cell model systems of endothelial dysfunction. TRENDS IN MOLECULAR MEDICINE, v. 29, n. 7, p. 13-pg., . (19/07230-8, 21/12010-7)
NUNES, PRISCILA R.; CAVALLI, RICARDO C.; BELO, VANESSA A.; SANDRIM, VALERIA C.; LUIZON, MARCELO R.. Longitudinal Study of Plasma Visfatin/Nicotinamide Phosphoribosyltransferase (NAMPT) Levels in Healthy Pregnant Women. REPRODUCTIVE SCIENCES, v. 30, n. 10, p. 3-pg., . (19/07230-8)

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