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de Oliveira CM, Viater Tureck L, Alvares D, Liu C, Horimoto ARVR, Balcells M, de Oliveira Alvim R, Krieger JE, Pereira AC. Relationship between marital status and incidence of type 2 diabetes mellitus in a Brazilian rural population: The Baependi Heart Study. PLoS One 2020; 15:e0236869. [PMID: 32745127 PMCID: PMC7398527 DOI: 10.1371/journal.pone.0236869] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2019] [Accepted: 07/16/2020] [Indexed: 12/24/2022] Open
Abstract
Many factors influence the incidence of type 2 diabetes mellitus (T2DM). Here, we investigated the associations between socio-demographic characteristics and familial history with the 5-year incidence of T2DM in a family-based study conducted in Brazil. T2DM was defined as baseline fasting blood glucose ≥ 126 mg/dL or the use of any hypoglycaemic drug. We excluded individuals with T2DM at baseline or if they did not attend two examination cycles. After exclusions, we evaluated a sample of 1,125 participants, part of the Baependi Heart Study (BHS). Mixed-effects logistic regression models were used to assess T2DM incident given different characteristics. At the 5-year follow-up, the incidence of T2DM was 6.7% (7.2% men and 6.3% women). After adjusting for age, sex, and education status, the model that combined marital and occupation status, skin color, and familial history of T2DM provided the best prediction for T2DM incidence. Only marital status was independently associated with T2DM incidence. Individuals that remained married, despite having significantly increased their weight, were significantly less likely to develop diabetes than their divorced counterparts.
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Affiliation(s)
- Camila Maciel de Oliveira
- Laboratory of Genetics and Molecular Cardiology, Heart Institute (InCor), University of São Paulo Medical School, São Paulo, Brazil
- Department of Integrative Medicine, Federal University of Parana, Curitiba, Brazil
- Global CoCreation Lab, Institute for Medical Engineering and Science, Massachusetts Institute of Technology, Cambridge, MA, United States of America
- * E-mail: (CMO); (ACP)
| | | | - Danilo Alvares
- Department of Statistics, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Chunyu Liu
- Framingham Heart Study, Framingham, MA, United States of America
- Department of Biostatistics, Boston University, Boston, MA, United States of America
| | | | - Mercedes Balcells
- Global CoCreation Lab, Institute for Medical Engineering and Science, Massachusetts Institute of Technology, Cambridge, MA, United States of America
- Bioengineering Department, Institut Quimic de Sarria, Ramon Llull Univ, Barcelona, Spain
| | - Rafael de Oliveira Alvim
- Laboratory of Genetics and Molecular Cardiology, Heart Institute (InCor), University of São Paulo Medical School, São Paulo, Brazil
- Department of Physiological Sciences, Federal University of Amazonas, Manaus, Brazil
| | - José Eduardo Krieger
- Laboratory of Genetics and Molecular Cardiology, Heart Institute (InCor), University of São Paulo Medical School, São Paulo, Brazil
| | - Alexandre Costa Pereira
- Laboratory of Genetics and Molecular Cardiology, Heart Institute (InCor), University of São Paulo Medical School, São Paulo, Brazil
- * E-mail: (CMO); (ACP)
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Bueno CT, Pereira AC, Santos HC, Gómez LMG, Horimoto ARVR, Krieger EM, Krieger JE, Santos PCJL. Association of the genetic ancestry with resistant hypertension in the ReHOT (Resistant Hypertension Optimal Treatment) randomized study. Sci Rep 2020; 10:1476. [PMID: 32001805 PMCID: PMC6992613 DOI: 10.1038/s41598-020-58540-3] [Citation(s) in RCA: 2] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2019] [Accepted: 01/15/2020] [Indexed: 11/09/2022] Open
Abstract
Resistant hypertension (RH) is defined as uncontrolled blood pressure despite treatment with three or more antihypertensive medications, including, if tolerated, a diuretic in adequate doses. It has been widely known that race is associated with blood pressure control. However, intense debate persists as to whether this is solely explained by unadjusted socioeconomical variables or genetic variation. In this scenario, the main aim was to evaluate the association between genetic ancestry and resistant hypertension in a large sample from a multicenter trial of stage II hypertension, the ReHOT study. Samples from 1,358 patients were analyzed, of which 167 were defined as resistant hypertensive. Genetic ancestry was defined using a panel of 192 polymorphic markers. The genetic ancestry was similar in resistant (52.0% European, 36.7% African and 11.3% Amerindian) and nonresistant hypertensive patients (54.0% European, 34.4% African and 11.6% Amerindian) (p > 0.05). However, we observed a statistically suggestive association of African ancestry with resistant hypertension in brown patient group. In conclusion, increased African genetic ancestry was not associated with RH in Brazilian patients from a prospective randomized hypertension clinical trial.
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Affiliation(s)
- Carolina Tosin Bueno
- Laboratory of Genetics and Molecular Cardiology, Heart Institute, University of Sao Paulo Medical School, São Paulo, Brazil
| | - Alexandre Costa Pereira
- Laboratory of Genetics and Molecular Cardiology, Heart Institute, University of Sao Paulo Medical School, São Paulo, Brazil
| | - Hadassa Campos Santos
- Laboratory of Genetics and Molecular Cardiology, Heart Institute, University of Sao Paulo Medical School, São Paulo, Brazil
| | - Luz Marina Gómez Gómez
- Laboratory of Genetics and Molecular Cardiology, Heart Institute, University of Sao Paulo Medical School, São Paulo, Brazil
| | | | - Eduardo Moacyr Krieger
- Laboratory of Genetics and Molecular Cardiology, Heart Institute, University of Sao Paulo Medical School, São Paulo, Brazil
| | - Jose Eduardo Krieger
- Laboratory of Genetics and Molecular Cardiology, Heart Institute, University of Sao Paulo Medical School, São Paulo, Brazil
| | - Paulo Caleb Junior Lima Santos
- Department of Pharmacology - Escola Paulista de Medicina, Universidade Federal de Sao Paulo EPM-Unifesp, São Paulo, Brazil.
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De Oliveira CM, Tureck LV, Alvares D, Liu C, Horimoto ARVR, de Oliveira Alvim R, Krieger JE, Pereira AC. Cardiometabolic risk factors correlated with the incidence of dysglycaemia in a Brazilian normoglycaemic sample: the Baependi Heart Study cohort. Diabetol Metab Syndr 2020; 12:6. [PMID: 31956344 PMCID: PMC6958593 DOI: 10.1186/s13098-019-0512-0] [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] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/21/2019] [Accepted: 12/27/2019] [Indexed: 11/25/2022] Open
Abstract
BACKGROUND Dysglycaemia is defined by elevated glucose levels in the blood, commonly characterized by impaired fasting glucose, impaired glucose tolerance, elevated glycated haemoglobin, or diabetes mellitus (DM) diagnosis. The abnormal levels of glucose may occur many years before DM, a condition known as prediabetes, which is correlated with comorbidities such as cardiovascular diseases. Therefore, the aim of this study was to investigate the incidence of prediabetic dysglycaemia and its relationship with cardiometabolic risk factors at a 5-year follow-up, based on an initially normoglycaemic sample in the Baependi Heart Study cohort. METHODS The data used comes from the Baependi Heart Study cohort, which consists of two periods: cycle 1 (2005-2006) and cycle 2 (2010-2013). For this study, we excluded those who had fasting blood glucose ≥ 100 mg/dL or were taking anti-diabetic medications at baseline, and those that had diabetes diagnosed in cycle 2. Mixed-effects logistic regression models were used to assess the association between cardiometabolic risk factors and the incidence of dysglycaemia, including a familiar random effect such as a cluster. RESULTS The incidence of prediabetic dysglycaemia was 12.8%, and it did not differ between men and women (14.4% and 11.6%, respectively). Two models were analysed to investigate the relationship between cardiometabolic risk factors and the occurrence of prediabetic dysglycaemia. The model that better explained the occurrence of dysglycaemia over the 5 years, after correction, included the waist circumference (WC) (measures and Δ), systolic blood pressure (SBP), HDL-c levels, and age. Although sex was not associated with the incidence of dysglycaemia, women and men showed differences in cardiometabolic risk factors related to glucose impairment: men who developed dysglycaemia showed, in parallel, higher LDL-c levels, TC/HDL-c ratio and DBP measurements; while these parameters remained similar between women who developed dysglycaemia and dysglycaemia-free women, after 5 years. CONCLUSIONS In an initially normoglycaemic sample of a highly mixed population living in a traditional Brazilian lifestyle, important cardiometabolic risk factors were associated with the occurrence of prediabetic dysglycaemia, and this relationship appeared to be more important in men. These results provide important insights about cardiovascular risk in prediabetic individuals.
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Affiliation(s)
- Camila Maciel De Oliveira
- Laboratory of Genetics and Molecular Cardiology, Heart Institute (InCor), University of São Paulo Medical School, Sao Paulo, Brazil
- Department of Integrative Medicine, Federal University of Parana, Curitiba, Brazil
- Global Co-creation Lab, Institute for Medical Engineering and Science, Massachussets Institute of Tecnology (MIT), Cambridge, USA
| | | | - Danilo Alvares
- Department of Statistics, Pontifícia Universidad Católica de Chile, Santiago, Chile
| | - Chunyu Liu
- Framingham Heart Study, Framingham, USA
- Department of Biostatistics, Boston University, Boston, USA
| | | | | | - José Eduardo Krieger
- Laboratory of Genetics and Molecular Cardiology, Heart Institute (InCor), University of São Paulo Medical School, Sao Paulo, Brazil
| | - Alexandre C. Pereira
- Laboratory of Genetics and Molecular Cardiology, Heart Institute (InCor), University of São Paulo Medical School, Sao Paulo, Brazil
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de Farias Pires T, Azambuja AP, Horimoto ARVR, Nakamura MS, de Oliveira Alvim R, Krieger JE, Pereira AC. A population-based study of the stratum corneum moisture. Clin Cosmet Investig Dermatol 2016; 9:79-87. [PMID: 27143945 PMCID: PMC4845893 DOI: 10.2147/ccid.s88485] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [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] [Indexed: 11/23/2022]
Abstract
BACKGROUND The stratum corneum (SC) has important functions as a bound-water modulator and a primary barrier of the human skin from the external environment. However, no large epidemiological study has quantified the relative importance of different exposures with regard to these functional properties. In this study, we have studied a large sample of individuals from the Brazilian population in order to understand the different relationships between the properties of SC and a number of demographic and self-perceived variables. METHODS One thousand three hundred and thirty-nine individuals from a rural Brazilian population, who were participants of a family-based study, were submitted to a cross-sectional examination of the SC moisture by capacitance using the Corneometer® CM820 and investigated regarding environmental exposures, cosmetic use, and other physiological and epidemiological measurements. Self-perception-scaled questions about skin conditions were also applied. RESULTS We found significant associations between SC moisture and sex, age, high sun exposure, and sunscreen use frequency (P<0.025). In specific studied sites, self-reported race and obesity were also found to show significant effects. Dry skin self-perception was also found to be highly correlated with the objective measurement of the skin. Other environmental effects on SC moisture are also reported.
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Affiliation(s)
- Thiago de Farias Pires
- Laboratory of Genetics and Molecular Cardiology, Heart Institute, University of São Paulo Medical School, Cajamar, SP, Brazil
| | | | | | | | - Rafael de Oliveira Alvim
- Laboratory of Genetics and Molecular Cardiology, Heart Institute, University of São Paulo Medical School, Cajamar, SP, Brazil
| | - José Eduardo Krieger
- Laboratory of Genetics and Molecular Cardiology, Heart Institute, University of São Paulo Medical School, Cajamar, SP, Brazil
| | - Alexandre Costa Pereira
- Laboratory of Genetics and Molecular Cardiology, Heart Institute, University of São Paulo Medical School, Cajamar, SP, Brazil
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Alfonso de Almeida MA, Vançan Russo Horimoto AR, Lopes de Oliveira PS, Krieger JE, da Costa Pereira A. Different approaches for dealing with rare variants in family-based genetic studies: application of a Genetic Analysis Workshop 17 problem. BMC Proc 2011; 5 Suppl 9:S78. [PMID: 22373261 PMCID: PMC3287918 DOI: 10.1186/1753-6561-5-s9-s78] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
Rare variants are becoming the new candidates in the search for genetic variants that predispose individuals to a phenotype of interest. Their low prevalence in a population requires the development of dedicated detection and analytical methods. A family-based approach could greatly enhance their detection and interpretation because rare variants are nearly family specific. In this report, we test several distinct approaches for analyzing the information provided by rare and common variants and how they can be effectively used to pinpoint putative candidate genes for follow-up studies. The analyses were performed on the mini-exome data set provided by Genetic Analysis Workshop 17. Eight approaches were tested, four using the trait’s heritability estimates and four using QTDT models. These methods had their sensitivity, specificity, and positive and negative predictive values compared in light of the simulation parameters. Our results highlight important limitations of current methods to deal with rare and common variants, all methods presented a reduced specificity and, consequently, prone to false positive associations. Methods analyzing common variants information showed an enhanced sensibility when compared to rare variants methods. Furthermore, our limited knowledge of the use of biological databases for gene annotations, possibly for use as covariates in regression models, imposes a barrier to further research.
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Affiliation(s)
- Marcio Augusto Alfonso de Almeida
- Laboratory of Genetic and Molecular Cardiology, Heart Institute, University of Sao Paulo Medical School, Av, Dr, Eneas C Aguiar, 44-10 andar, São Paulo 05403-000, Brazil.
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Horimoto ARVR, Ferraz JBS, Balieiro JCC, Eler JP. Phenotypic and genetic correlations for body structure scores (frame) with productive traits and index for CEIP classification in Nellore beef cattle. Genet Mol Res 2007; 6:188-96. [PMID: 17469068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/15/2023]
Abstract
The present study was carried out to estimate both (co)variance components and genetic parameters for frame scores obtained using two methods (FRAME_GMA and FRAME_BIF) as well as phenotypic and genetic correlations with traits such as weaning weight, weight gain from weaning to yearling, scrotal circumference, muscle score, and an empiric index for animal classification for the Special Certificate of Identification and Production (CEIP). Data on 12,728 animals, raised in Southeastern Brazil, with ages from 490 to 610 days were analyzed. Estimates of heritability for FRAME_GMA and FRAME_BIF in multi-trait analysis were 0.28 and 0.24, respectively. Genetic correlation coefficients between frame scores and the growth trait were of medium magnitude, which indicates that genetic selection for weight resulted in undesirable responses, increasing the animals' frames. Small changes should be expected in the frame of animals that have been submitted to a genetic selection regarding muscle score and scrotal circumference. The low magnitude of phenotypic and genetic correlation between frame scores and the empirical selection index that classifies animals for CEIP, a Brazilian official certificate that recognizes the value of seedstock that is not registered at breeders associations, but is genetically evaluated, does not indicate important responses in giving a CEIP to animals that have been directly or indirectly selected for frame. Other studies must be performed to determine estimates of the genetic parameters for frame scores in other beef cattle populations.
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Affiliation(s)
- A R V R Horimoto
- Grupo de Melhoramento Animal, Departamento de Ciências Básicas, Faculdade de Zootecnia e Engenharia de Alimentos, USP, Pirassununga, SP, Brasil
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Horimoto ARVR, Ferraz JBS, Balieiro JCC, Eler JP. Estimation of genetic parameters for a new model for defining body structure scores (frame scores) in Nellore cattle. Genet Mol Res 2006; 5:828-36. [PMID: 17183490] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Abstract
Models for estimation of frame scores in Nellore beef cattle (FRAME_GMA) were developed, comparing them with frame scores estimated using equations proposed by the Beef Improvement Federation (FRAME_BIF, USA). Correlation among frame scores obtained by these two methodologies, along with the independent variables considered in the estimation models, were also studied. A data set with 12,728 animals, with ages between 490 and 610 days, was used. The models that best adjusted to FRAME_GMA included hip height, weight and interaction between height and weight. Estimates of heritability for FRAME_GMA and FRAME_BIF were 0.26 +/- 0.03 and 0.23 +/- 0.03, respectively, in single trait analysis, and 0.28 and 0.24, respectively, in multi-trait analysis. Phenotypic Pearson and Spearman correlation coefficients between FRAME_GMA and FRAME_BIF for males were 0.87 and 0.83, respectively, being lower than those found for females (0.92 for both coefficients). Genetic correlation between the frame scores did not differ between genders, with values of 0.92 for the Pearson coefficient and 0.91 for the Spearman coefficient. We concluded that FRAME_GMA was better adapted to this data set than FRAME_BIF. Other studies need to be made to evaluate the applicability of this proposed model to other populations of Nellore beef cattle and for other age groups.
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Affiliation(s)
- A R V R Horimoto
- Faculdade de Zootecnia e Engenharia de Alimentos, USP, Pirassununga, SP, Brasil
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