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Genetic, clinical, biochemical and heart rate variability changes in grade III Obesity pre and post bariatric surgery

Grant number: 13/12819-4
Support Opportunities:Scholarships in Brazil - Post-Doctorate
Effective date (Start): October 01, 2013
Effective date (End): September 30, 2016
Field of knowledge:Health Sciences - Medicine - Medical Clinics
Principal Investigator:Carla Barbosa Nonino
Grantee:Marcela Augusta de Souza Pinhel
Host Institution: Faculdade de Medicina de Ribeirão Preto (FMRP). Universidade de São Paulo (USP). Ribeirão Preto , SP, Brazil

Abstract

Genetic, behavioral and environmental factors are involved with Obesity. In this case, studies have been conducted to identify interactions between genes and environment that may lead to possible changes influencing the responses of individuals to this condition. Furthermore, Heart Rate Variability (HRV) is reduced in this predisposition to Obesity indicating a chronic and degenerative diseases. Are inexistent studies evaluating the role of genetics and biochemistry associated with HRV in individuals with morbid Obesity pre and post bariatric surgery, which is characterized as one of the available treatments for morbid Obesity (e 40kg/m2). Objectives: To identify the genetic profile (gene expression), biochemist and heart rate variability in pre and post-operative patients with class III Obesity undergoing bariatric surgery, in addition to the association of these variables with clinical and chance to chronic and degenerative; evaluate changes in nutritional status by anthropometric and body composition in these individuals. Methods: 25 individuals will be selected, divided into 2 groups: group 1: 15 patients with class III Obesity (pre-and postoperative 6 months) Control group: 10 normal individuals (d 25kg/m2). Will be held from peripheral blood samples for analysis of biochemical and genetic profile. Will be held collections of anthropometric, lifestyle, personal history and family history of the disease. The assessment of heart rate variability is performed by non-linear methods, extending for linear methods using the Polar heart rate S810i. The data is analyzed by applying T Test or Mann-Whitney Test, Fisher's exact Test or chi-square. Will be accepted significance level of P<0.05. (AU)

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Scientific publications (9)
(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)
FERREIRA-JULIO, MAYSA ARAUJO; PINHEL, MARCELA SOUZA; GOMES QUINHONEIRO, DRIELE CRISTINA; NICOLETTI, CAROLINA FERREIRA; BRANDAO, ANTONIO CARLOS; NONINO, CARLA BARBOSA; PINHEIRO, JR., SIDNEY; PARENTI OLIVEIRA, BRUNO AFFONSO; GREGORIO, MICHELE LIMA; ANDRADE, DAYS OLIVEIRA; et al. LEP-2548G > A Polymorphism of the Leptin Gene and Its Influence on the Lipid Profile in Obese Individuals. Journal of Nutrigenetics and Nutrigenomics, v. 7, n. 4-6, p. 225-231, . (13/12819-4)
NICOLETTI, C. F. .; PINHEL, M. A. S.; NORONHA, N. Y.; DE OLIVEIRA, B. A.; SALGADO JUNIOR, W.; JACOME, A.; DIAZ-LAGARES, A.; CASANUEVA, F.; CRUJEIRAS, A. B.; NONINO, C. B.. Altered pathways in methylome and transcriptome longitudinal analysis of normal weight and bariatric surgery women. SCIENTIFIC REPORTS, v. 10, n. 1, . (17/07220-7, 16/05638-1, 13/12819-4, 15/18669-0)
NONINO, CARLA BARBOSA; BARATO, MARIANA; FERREIRA, FLAVIA CAMPOS; DELFINO, HEITOR BERNARDES PEREIRA; NORONHA, NATALIA YUMI; NICOLETTI, CAROLINA FERREIRA; JUNIOR, WILSON SALGADO; WELENDORF, CAROLINE ROSSI; SOUZA, DOROTEIA ROSSI SILVA; FERREIRA-JULIO, MAYSA ARAUJO; et al. DRD2 and BDNF polymorphisms are associated with binge eating disorder in patients with weight regain after bariatric surgery. Eating and Weight Disorders-Studies on Anorexia Bulimia and Obesity, . (18/08784-4, 20/08687-9, 13/12819-4, 18/24069-3)
PINHEL, MARCELA A. S.; NORONHA, NATALIA Y.; NICOLETTI, CAROLINA F.; PEREIRA, VANESSA A. B.; DE OLIVEIRA, BRUNO A. P.; CORTES-OLIVEIRA, CRISTIANA; SALGADO JR, WILSON; BARBOSA, FERNANDO; MARCHINI, JULIO S.; SOUZA, DOROTEIA R. S.; et al. Changes in DNA Methylation and Gene Expression of Insulin and Obesity-Related GenePIK3R1after Roux-en-Y Gastric Bypass. INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES, v. 21, n. 12, . (18/24069-3, 18/08784-4, 13/12819-4)
DE SOUZA PINHEL, MARCELA AUGUSTA; NICOLETTI, CAROLINA FERREIRA; NORONHA, NATALIA YUMI; PARENTI DE OLIVEIRA, BRUNO AFFONSO; CORTES-OLIVEIRA, CRISTIANA; SALGADO JUNIOR, WILSON; DA SILVA JUNIOR, WILSON ARAUJO; SILVA SOUZA, DOROTEIA ROSSI; MARCHINI, JULIO SERGIO; NONINO, CARLA BARBOSA. Mammalian target of rapamycin complex 2 signaling in obese women changes after bariatric surgery. NUTRITION, v. 54, p. 94-99, . (13/12819-4)
NONINO, CARLA BARBOSA; NORONHA, NATALIA YUMI; DE ARAUJO FERREIRA-JULIO, MAYSA; MORIGUCHI WATANABE, LIGIA; CASSIA, KAREN FRANCISLAINE; FERREIRA NICOLETTI, CAROLINA; ROSSI WELENDORF, CAROLINE; SALGADO JUNIOR, WILSON; ROSSI SILVA SOUZA, DOROTEIA; AUGUSTA DE SOUZA PINHEL, MARCELA. Differential Expression of MMP2 and TIMP2 in Peripheral Blood Mononuclear Cells After Roux-en-Y Gastric Bypass. FRONTIERS IN NUTRITION, v. 8, . (18/24069-3, 13/12819-4)
SOUZA PINHEL, MARCELA AUGUSTA; NORONHA, NATALIA YUMI; NICOLETTI, CAROLINA FERREIRA; GOMES QUINHONEIRO, DRIELE CRISTINA; PARENTI OLIVEIRA, BRUNO AFFONSO; CORTES-OLIVEIRA, CRISTIANA; SALGADO-JUNIOR, WILSON; DA SILVA-JUNIOR, WILSON ARAUIJO; MARCHINI, JULIO SERGIO; SILVA SOUZA, DOROTEIA ROSSI; et al. Comparison of gene expression profile between blood cells and white adipose tissue of patients with obesity. NUTRICION HOSPITALARIA, v. 34, n. 3, p. 603-607, . (13/12819-4)
NICOLETTI, CAROLINA F.; CORTES-OLIVEIRA, CRISTIANA; PINHEL, MARCELA A. S.; NONINO, CARLA B.. Bariatric Surgery and Precision Nutrition. NUTRIENTS, v. 9, n. 9, . (16/05638-1, 13/12819-4, 15/18669-0)
DE SOUZA PINHEL, MARCELA AUGUSTA; NORONHA, NATALIA YUMI; NICOLETTI, CAROLINA FERREIRA; PARENTE DE OLIVEIRA, BRUNO AFFONSO; CORTES-OLIVEIRA, CRISTIANA; PINHANELLI, VITOR CARESSATO; SALGADO JUNIOR, WILSON; MACHRY, ANA JULIA; DA SILVA JUNIOR, WILSON ARAUJO; SILVA SOUZA, DOROTEIA ROSSI; et al. Changes in Global Transcriptional Profiling of Women Following Obesity Surgery Bypass. OBESITY SURGERY, v. 28, n. 1, p. 176-186, . (13/12819-4)

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