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      Dietary supplementation with camu-camu and continuous exercises in the treatment of obesity Translated title: Suplementação dietética com camu-camu e exercícios contínuos no tratamento da obesidade

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          Abstract

          ABSTRACT Objective The goal of this study were to investigate the effects of continuous exercise with/or without the ingestion the Camu-camu pulp in a rat model of obesity. Methods Neonate male Wistar rats, receiving monosodium glutamate, subcutaneously were separated into foour groups: sedentary group S (no treatment), exercise group E (continuous swimming training), Camu-camu group C (25mL of pulp of Camu-camu/day) and exercise and Camu-camu group EC (25mL of pulp of Camu-camu/day, continuous swimming). After 12 weeks, the animals were received euthanasia. Results The exercise program was conducted for five days for 12 weeks and the effects of supplementation with or without Camu-camu in obese rats were analyzed, showing that the relative levels of the variables cholesterol, triglycerides, glucose, High Density Lipoprotein and Low Density Lipoprotein and in all groups there was a significant reduction (.<0.001), except for the control group. Body weight and feed intake, epididymal and visceral fat deposits were not significantly different between the means of groups C and E, but these groups showed a significant difference when compared to the EC group (.<0.001). Conclusion The results demonstrate the effectiveness of continuous exercise and diet supplemented with Camu-camu fruit pulp to control obesity.

          Translated abstract

          RESUMO Objetivo O objetivo deste estudo foi investigar os efeitos do exercício contínuo, com ou sem a ingestão da polpa de camu-camu, em um modelo de ratos obesos. Métodos Ratos machos neonatos Wistar receberam glutamato monossódico subcutaneamente e foram separados em três grupos. grupo de exercício E (treinamento de natação contínuo); grupo exercitado e suplementado com camu-camu – EC (natação contínua e administração de camu-camu); e grupo sedentário S (sem tratamento), como controle. Concluído o experimento, os animais sofreram eutanásia. Resultados O experimento teve a duração de doze semanas. O protocolo de exercício de natação (120min) e a ingestão da suplementação com camu-camu de polpa (25mL) tiveram a mesma duração e foram feitas simultaneamente cinco vezes por semana. Os resultados apontaram redução significativa (p<0,001) dos níveis relativos das variáveis colesterol, triglicérides, glicose, High Density Lipoprotein e Low Density Lipoprotein nos dois primeiros grupos, quando comparados ao grupo controle. Quanto a peso corporal e consumo de ração, depósitos de gordura epididimal e visceral, não houve diferença significativa entre as médias dos grupos C e E – porém, estes grupos apresentaram diferença significativa quando comparados ao grupo suplementado com camu-camu (p<0,001). Conclusão Os resultados demonstraram a efetividade do exercício contínuo e da dieta suplementada com a polpa de camu-camu para o controle da obesidade.

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          Habitual coffee consumption and genetic predisposition to obesity: gene-diet interaction analyses in three US prospective studies

          Background Whether habitual coffee consumption interacts with the genetic predisposition to obesity in relation to body mass index (BMI) and obesity is unknown. Methods We analyzed the interactions between genetic predisposition and habitual coffee consumption in relation to BMI and obesity risk in 5116 men from the Health Professionals Follow-up Study (HPFS), in 9841 women from the Nurses’ Health Study (NHS), and in 5648 women from the Women’s Health Initiative (WHI). The genetic risk score was calculated based on 77 BMI-associated loci. Coffee consumption was examined prospectively in relation to BMI. Results The genetic association with BMI was attenuated among participants with higher consumption of coffee than among those with lower consumption in the HPFS (P interaction  = 0.023) and NHS (P interaction  = 0.039); similar results were replicated in the WHI (P interaction  = 0.044). In the combined data of all cohorts, differences in BMI per increment of 10-risk allele were 1.38 (standard error (SE), 0.28), 1.02 (SE, 0.10), and 0.95 (SE, 0.12) kg/m2 for coffee consumption of   3 cup(s)/day, respectively (P interaction  < 0.001). Such interaction was partly due to slightly higher BMI with higher coffee consumption among participants at lower genetic risk and slightly lower BMI with higher coffee consumption among those at higher genetic risk. Each increment of 10-risk allele was associated with 78% (95% confidence interval (CI), 59–99%), 48% (95% CI, 36–62%), and 43% (95% CI, 28–59%) increased risk for obesity across these subgroups of coffee consumption (P interaction  = 0.008). From another perspective, differences in BMI per increment of 1 cup/day coffee consumption were 0.02 (SE, 0.09), –0.02 (SE, 0.04), and –0.14 (SE, 0.04) kg/m2 across tertiles of the genetic risk score. Conclusions Higher coffee consumption might attenuate the genetic associations with BMI and obesity risk, and individuals with greater genetic predisposition to obesity appeared to have lower BMI associated with higher coffee consumption. Electronic supplementary material The online version of this article (doi:10.1186/s12916-017-0862-0) contains supplementary material, which is available to authorized users.
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            Modeling Diet-Induced Obesity with Obesity-Prone Rats: Implications for Studies in Females

            Obesity is a worldwide epidemic, and the comorbidities associated with obesity are numerous. Over the last two decades, we and others have employed an outbred rat model to study the development and persistence of obesity, as well as the metabolic complications that accompany excess weight. In this review, we summarize the strengths and limitations of this model and how it has been applied to further our understanding of human physiology in the context of weight loss and weight regain. We also discuss how the approach has been adapted over time for studies in females and female-specific physiological conditions, such as menopause and breast cancer. As excess weight and the accompanying metabolic complications have become common place in our society, we expect that this model will continue to provide a valuable translational tool to establish physiologically relevant connections to the basic science studies of obesity and body weight regulation.
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              Health Behavior and Metabolic Risk Factors Associated with Normal Weight Obesity in Adolescents

              Objective To explore health behaviors and metabolic risk factors in normal weight obese (NWO) adolescents compared with normal weight lean (NWL) peers. Design and Methods A cross-sectional study of 18-year-old students (n = 182, 47% female) in the capital area of Iceland, with body mass index within normal range (BMI, 18.5–24.9 kg/m2). Body composition was estimated via dual energy X-ray absorptiometry, fitness was assessed with maximal oxygen uptake (VO2max) during treadmill test, dietary intake through 24-hour recall, questionnaires explained health behavior and fasting blood samples were taken. NWO was defined as normal BMI and body fat >17.6% in males and >31.6% in females. Results Among normal weight adolescents, 42% (n = 76) were defined as NWO, thereof 61% (n = 46) male participants. Fewer participants with NWO were physically active, ate breakfast on a regular basis, and consumed vegetables frequently compared with NWL. No difference was detected between the two groups in energy- and nutrient intake. The mean difference in aerobic fitness was 5.1 ml/kg/min between the groups in favor of the NWL group (p<0.001). NWO was positively associated with having one or more risk factors for metabolic syndrome (Odds Ratio OR = 2.2; 95% confidence interval CI: 1.2, 3.9) when adjusted for sex. High waist circumference was more prevalent among NWO than NWL, but only among girls (13% vs 4%, p = 0.019). Conclusions High prevalence of NWO was observed in the study group. Promoting healthy lifestyle with regard to nutrition and physical activity in early life should be emphasized regardless of BMI.
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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                rn
                Revista de Nutrição
                Rev. Nutr.
                Pontifícia Universidade Católica de Campinas (Campinas, SP, Brazil )
                1415-5273
                1678-9865
                February 2018
                : 31
                : 1
                : 25-33
                Affiliations
                [02] Manaus Amazonas orgnameUniversidade Federal do Amazonas orgdiv1Faculdade de Ciências Farmacêuticas Brazil ima@ 123456ufam.edu.br
                [01] Manaus Amazonas orgnameUniversidade Federal do Amazonas orgdiv1Faculdade de Educação Física orgdiv2Departamento de Fundamentação Teórica Brazil
                [03] Manaus Amazonas orgnameInstituto Nacional de Pesquisas da Amazônia orgdiv1Coordenação de Pesquisas em Ciências da Saúde Brazil
                Article
                S1415-52732018000100025
                10.1590/1678-98652018000100003
                e7f26d49-4f36-4064-8f1f-a5fe3d4cdae4

                This work is licensed under a Creative Commons Attribution 4.0 International License.

                History
                : 24 April 2017
                : 31 January 2018
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 37, Pages: 9
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                SciELO Brazil


                Dieta redutora,Obesidade,Body weight,Diet,reducing,Obesity,Peso corporal

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