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Cardiorespiratory Fitness Predicted by Fibrinogen and Leptin Concentrations in Children with Obesity and Risk for Diabetes: A Cross-Sectional Study and a ROC Curve Analysis. Nutrients 2021; 13:nu13020674. [PMID: 33669882 PMCID: PMC7923274 DOI: 10.3390/nu13020674] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Revised: 02/09/2021] [Accepted: 02/12/2021] [Indexed: 12/13/2022] Open
Abstract
Obesity is defined as abnormal or excessive fat accumulation that presents a risk to health. The ability to exercise is affected by adiposity, and this mechanism involves low-grade chronic inflammation and homeostatic stress produced mainly in adipocytes, which can result in abnormal adipokine secretion. To date, the gold standard for cardiorespiratory fitness assessment is considered to be the maximum oxygen uptake (VO2max). The aim of the present study was to assess the prognostic value of hematological parameters of childhood obesity, as potential predictors of cardiorespiratory fitness (VO2max), using a sample of children and adolescents with obesity and risk for diabetes. A total of 84 clinically healthy children and adolescents were recruited, of which 21 were considered lean, 22 overweight and 41 obese, with a mean age of 12.0 ± 1.9, 11.4 ± 2.0, and 11.2 ± 2.1 years old, in each weight status category, respectively. Age and sex did not differ between groups. Hematologic testing was performed after 12 h of fasting including glucose, serum lipids, insulin, hc-CRP, adiponectin, leptin and fibrinogen levels. Cardiorespiratory capacity for exercise was assessed to determine VO2max, using a cycle ergometer. The VO2max was negatively correlated with progressive strength to the BMIz (-0.656, p ≤ 0.001), hs-CRP (r = -0.341, p ≤ 0.002), glucose (r = -0.404, p ≤ 0.001) and insulin levels (r = -0.348, p ≤ 0.001), the homeostasis model assessment of insulin resistance (HOMA-IR) (r = -0.345, p ≤ 0.002), as well as to the leptin (r = -0.639, p ≤ 0.001) and fibrinogen concentrations (r = -0.520, p ≤ 0.001). The multivariate analysis revealed that only leptin and fibrinogen concentrations could predict the VO2max adjusted for the BMIz of participants. The receiver operating characteristic (ROC) curve for the diagnostic accuracy of leptin, hs-CRP and fibrinogen concentrations for the prediction of VO2max revealed a good diagnostic ability for all parameters, with leptin being the most promising one (area under the curve (AUC): 99%). The results verify that in children with obesity, VO2max may be predicted from hematological parameters (leptin and fibrinogen), possibly bypassing more invasive methods.
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Associations of Physical Activity and Sedentary Behaviour Assessed by Accelerometer with Body Composition among Children and Adolescents: A Scoping Review. SUSTAINABILITY 2020. [DOI: 10.3390/su13010335] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
The possible adverse health effects of reduced physical activity (PA) on children and adolescents have been extensively documented as a result of the global obesity epidemic. However, the research has sometimes led to controversial results, due to the different methods used for the assessment of PA. The main aim of this review was to evaluate the association between PA and body composition parameters based on quantitative PA studies using the same equipment (Actigraph accelerometer) and cutoffs (Evenson’s). A literature review was undertaken using PUBMED and Scopus databases. Subjects aged 6–15 were considered separately by sex. Weighted multiple regression analyses were conducted. From the analysis of fourteen selected articles, it emerged that 35.7% did not evaluate the association of sedentary time (ST) and moderate-to-vigorous physical activity (MVPA) with body composition, while the remaining 64.3% found a negative association of MVPA with BMI and fat mass with different trends according to sex. Furthermore, only 7.1% of these studies identified a positive association between ST and fat percentage. Based on the regression analyses conducted on the literature data, ST and MVPA were found to be significant predictors of body composition parameters, in addition to age and sex. Further studies using standardized methodologies to assess PA and body composition are needed. The inclusion of sex-disaggregated data may also be crucial to understand this phenomenon and to provide stronger evidence of the determinants of body composition in order to prevent the risk of obesity.
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Saevarsson E, Svansdottir E, Arngrimsson S, Sveinsson T, Johannsson E. Different cardiorespiratory fitness expressions based on the maximal cycle ergometer test show no effect on the relation of cardiorespiratory fitness to the academic achievement of nine-year-olds. PLoS One 2018; 13:e0200643. [PMID: 30036375 PMCID: PMC6056058 DOI: 10.1371/journal.pone.0200643] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2018] [Accepted: 06/30/2018] [Indexed: 11/18/2022] Open
Abstract
The relationship between cardiorespiratory fitness and academic achievement has been inconclusive. The results may depend on how cardiorespiratory fitness is expressed. The aim of this study is to explore the impact of different cardiorespiratory fitness expression methods, measured by the maximal cycle ergometer test, on the relationship between cardiorespiratory fitness and academic achievement. A cross-sectional study consisting of 303 Icelandic 4th grade students (163 girls) was conducted. Cardiorespiratory fitness was assessed using a graded maximal cycle ergometer test and scores of standardized tests in Icelandic and math obtained from the Icelandic National Examination Institute. Cardiorespiratory fitness was measured as absolute power output in watts in a maximal progressive cycle ergometer test. To adjust for different body sizes, the power output was scaled to body weight, body height, body surface area, and allometrically expressed body weight. In addition, linear regression scaling was also used to adjust for different body sizes. No significant relationship was found between any of the cardiorespiratory fitness expressions and academic achievement, using both univariate and multivariate linear regression analyses. The use of different methods to express cardiorespiratory fitness does not significantly affect the association with the academic achievement of fourth grade students.
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Affiliation(s)
| | | | | | - Thorarinn Sveinsson
- Research Centre for Movements Sciences, University of Iceland, Reykjavík, Iceland
| | - Erlingur Johannsson
- School of Education, University of Iceland, Reykjavík, Iceland
- Department of Sport and Physical Activity, Western Norway University of Applied Sciences, Bergen, Norway
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Yan L, Zhao C, Zhang J, Qiu L, Chen Z. Transcriptomic analyses of gastrointestinal function in the "dwarf" and "medium" forms of Sthenoteuthis oualaniensis during sexual maturation. PLoS One 2018; 13:e0199053. [PMID: 29897993 PMCID: PMC5999225 DOI: 10.1371/journal.pone.0199053] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2018] [Accepted: 05/30/2018] [Indexed: 11/21/2022] Open
Abstract
Sthenoteuthis oualaniensis (SA) is an important squid species in the South China Sea. Based on SA samples collected in 2016, SA was divided into the “dwarf” form (DF) and “medium” form (MF). To understand the changes in gastrointestinal function in SA during sexual maturation, we undertook transcriptomic analyses of the stomach and intestine tissues of the mature and immature DF and MF of SA using the deep-sequencing platform Illumina HiSeq™. We exploited a high-throughput method to delineate differentially expressed genes (DEGs) in the DF and MF of SA. A total of 135464 unigenes (68627 unigenes of the DG and 66837 unigenes of the MF) were generated. We identified 7965 and 4051 relative DEGs in the intestine and stomach tissues of the mature DF of SA compared with those of the immature DF of SA; and 22138 and 18460 DEGs in the intestine and stomach of the mature MF of SA compared with those of the immature MF of SA. Gastrointestinal function related to the metabolism of lipids, amino acids, glucose, and energy were changed in SA during sexual maturation. This work is the first to identify a set of genes associated with gastrointestinal function during sexual maturation in SA.
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Affiliation(s)
- Lulu Yan
- South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, P. R. China
- Key Laboratory of South China Sea Fishery Resources Exploitation & Utilization, Ministry of Agriculture, Guangzhou, P. R. China
| | - Chao Zhao
- South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, P. R. China
- Key Laboratory of South China Sea Fishery Resources Exploitation & Utilization, Ministry of Agriculture, Guangzhou, P. R. China
| | - Jun Zhang
- South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, P. R. China
- Key Laboratory of Open-Sea Fishery Development, Ministry of Agriculture, Guangzhou, P. R. China
| | - Lihua Qiu
- South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, P. R. China
- Key Laboratory of Aquatic Genomics, Ministry of Agriculture, Beijing, P. R. China
| | - Zuozhi Chen
- South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, P. R. China
- Key Laboratory of Open-Sea Fishery Development, Ministry of Agriculture, Guangzhou, P. R. China
- * E-mail:
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Reis LN, Renner JD, Reuter CP, Horta JA, Paiva DN, Valim ARDM, Sehn AP, de Mello ED, Burgos MS. Hyperuricemia is associated with low cardiorespiratory fitness levels and excess weight in schoolchildren. JORNAL DE PEDIATRIA (VERSÃO EM PORTUGUÊS) 2017. [DOI: 10.1016/j.jpedp.2017.04.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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Reis LN, Renner JDP, Reuter CP, Horta JA, Paiva DN, Valim ARDM, Sehn AP, de Mello ED, Burgos MS. Hyperuricemia is associated with low cardiorespiratory fitness levels and excess weight in schoolchildren. J Pediatr (Rio J) 2017; 93:538-543. [PMID: 28450054 DOI: 10.1016/j.jped.2016.11.011] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/25/2016] [Revised: 11/24/2016] [Accepted: 11/29/2016] [Indexed: 10/19/2022] Open
Abstract
OBJECTIVE To evaluate the possible association between hyperuricemia and cardiorespiratory fitness levels/nutritional profile, grouped into a single variable, in schoolchildren. METHOD Cross-sectional study of 2335 students from Elementary schools, aged 7-17 years of both genders, stratified by conglomerates of a municipality in Southern Brazil. Body mass index (BMI) was calculated and cardiorespiratory fitness (CRF) was assessed by the 6-minute run/walk test. The BMI and CRF were grouped into a single variable, considering: (1) low and normal weight/fit; (2) low and normal weight/unfit; (3) overweight-obesity/fit; (4) overweight-obesity/unfit. The Poisson regression (prevalence ratio, PR) was used for the association between hyperuricemia and BMI/CRF ratio with 95% confidence intervals and differences were considered significant when p<0.05. RESULTS There is an association, although subtle, between the presence of hyperuricemia with low levels of CRF and the presence of excess weight, when grouped into a single variable. Boys and girls with this condition have higher prevalence of hyperuricemia (PR: 1.07; p=0.007 for boys; PR: 1.10; p<0.001 for girls). CONCLUSION Together, excess weight and low levels of cardiorespiratory fitness are associated with the presence of hyperuricemia in schoolchildren.
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Affiliation(s)
- Luiza N Reis
- Universidade de Santa Cruz do Sul (UNISC), Santa Cruz do Sul, RS, Brazil
| | - Jane D P Renner
- Universidade de Santa Cruz do Sul (UNISC), Programa de Pós-graduação em Promoção da Saúde. Departamento de Biologia e Farmácia, Santa Cruz do Sul, RS, Brazil
| | - Cézane P Reuter
- Universidade Federal do Rio Grande do Sul (UFRGS), Programa de Pós-graduação em Saúde da Criança e do Adolescente, Porto Alegre, RS, Brazil; Universidade de Santa Cruz do Sul (UNISC), Departamento de Educação Física e Saúde, Santa Cruz do Sul, RS, Brazil
| | - Jorge A Horta
- Universidade de Santa Cruz do Sul (UNISC), Programa de Pós-graduação em Promoção da Saúde. Departamento de Biologia e Farmácia, Santa Cruz do Sul, RS, Brazil
| | - Dulciane N Paiva
- Universidade de Santa Cruz do Sul (UNISC), Programa de Pós-graduação em Promoção da Saúde, Departamento de Educação Física e Saúde, Santa Cruz do Sul, RS, Brazil
| | - Andréia R de M Valim
- Universidade de Santa Cruz do Sul (UNISC), Programa de Pós-graduação em Promoção da Saúde. Departamento de Biologia e Farmácia, Santa Cruz do Sul, RS, Brazil
| | - Ana P Sehn
- Universidade de Santa Cruz do Sul (UNISC), Santa Cruz do Sul, RS, Brazil
| | - Elza D de Mello
- Universidade Federal do Rio Grande do Sul (UFRGS), Programa de Pós-graduação em Saúde da Criança e do Adolescente, Porto Alegre, RS, Brazil
| | - Miria S Burgos
- Universidade de Santa Cruz do Sul (UNISC), Programa de Pós-graduação em Promoção da Saúde, Departamento de Educação Física e Saúde, Santa Cruz do Sul, RS, Brazil.
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Physical Activity Throughout Adolescence and Hba1c in Early Adulthood: Birth Cohort Study. J Phys Act Health 2017; 14:375-381. [PMID: 28169566 DOI: 10.1123/jpah.2016-0245] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
BACKGROUND Physical inactivity is responsible for 7% of diabetes deaths worldwide, but little is known whether low levels of physical activity (PA) during adolescence increase the risk of diabetes in early adulthood. We evaluated the cross-sectional and longitudinal associations between PA throughout adolescence and HbA1c concentration in early adulthood. METHODS HbA1c was measured by high performance liquid chromatography. PA was assessed by self-report at the ages of 11, 15, and 18 years and by accelerometry at the ages of 13 (subsample) and 18 years. The loss percentages of follow up were 12.5% at 11 years, 14.4% at 15 years, and 18.7% at 18 years. RESULTS At 18 years, boys showed higher HbA1c than girls. At age 18 years, accelerometrybased PA at 18 years was inversely related to HbA1c levels in boys. Self-reported leisure-time PA at ages 11, 15, and 18 were unrelated to HbA1c in both genders. PA at 13 years of age was unrelated to HbA1c among both genders. In trajectory analysis, PA and accelerometer PA trajectories were not associated with later HbA1c. CONCLUSIONS Objectively measured PA at 18 years was cross-sectionally inversely associated with HbA1c in boys only. No prospective associations were identified.
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Sáez-Lara MJ, Robles-Sanchez C, Ruiz-Ojeda FJ, Plaza-Diaz J, Gil A. Effects of Probiotics and Synbiotics on Obesity, Insulin Resistance Syndrome, Type 2 Diabetes and Non-Alcoholic Fatty Liver Disease: A Review of Human Clinical Trials. Int J Mol Sci 2016; 17:ijms17060928. [PMID: 27304953 PMCID: PMC4926461 DOI: 10.3390/ijms17060928] [Citation(s) in RCA: 184] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2016] [Revised: 05/24/2016] [Accepted: 06/02/2016] [Indexed: 12/17/2022] Open
Abstract
The use of probiotics and synbiotics in the prevention and treatment of different disorders has dramatically increased over the last decade. Both probiotics and synbiotics are well known ingredients of functional foods and nutraceuticals and may provide beneficial health effects because they can influence the intestinal microbial ecology and immunity. The present study reviews the effects of probiotics and synbiotics on obesity, insulin resistance syndrome (IRS), type 2 diabetes (T2D) and non-alcoholic fatty liver disease (NAFLD) in human randomized clinical trials. Select probiotics and synbiotics provided beneficial effects in patients with obesity, mainly affecting the body mass index and fat mass. Some probiotics had beneficial effects on IRS, decreasing the cell adhesion molecule-1 levels, and the synbiotics decreased the insulin resistance and plasma lipid levels. Moreover, select probiotics improved the carbohydrate metabolism, fasting blood glucose, insulin sensitivity and antioxidant status and also reduced metabolic stress in subjects with T2D. Some probiotics and synbiotics improved the liver and metabolic parameters in patients with NAFLD. The oral intake of probiotics and synbiotics as co-adjuvants for the prevention and treatment of obesity, IRS, T2D and NAFLD is partially supported by the data shown in the present review. However, further studies are required to understand the precise mechanism of how probiotics and synbiotics affect these metabolic disorders.
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Affiliation(s)
- Maria Jose Sáez-Lara
- Department of Biochemistry & Molecular Biology I, School of Sciences, University of Granada, Granada 18071, Spain.
- Institute of Nutrition and Food Technology "José Mataix", Biomedical Research Center, University of Granada, Armilla 18100, Spain.
| | - Candido Robles-Sanchez
- Institute of Nutrition and Food Technology "José Mataix", Biomedical Research Center, University of Granada, Armilla 18100, Spain.
- Department of Biochemistry and Molecular Biology II, School of Pharmacy, University of Granada, Granada 18071, Spain.
| | - Francisco Javier Ruiz-Ojeda
- Institute of Nutrition and Food Technology "José Mataix", Biomedical Research Center, University of Granada, Armilla 18100, Spain.
- Department of Biochemistry and Molecular Biology II, School of Pharmacy, University of Granada, Granada 18071, Spain.
- Instituto de Investigación Biosanitaria ibs, GRANADA, Complejo Hospitalario Universitario de Granada/Universidad de Granada, Granada 18014, Spain.
| | - Julio Plaza-Diaz
- Institute of Nutrition and Food Technology "José Mataix", Biomedical Research Center, University of Granada, Armilla 18100, Spain.
- Department of Biochemistry and Molecular Biology II, School of Pharmacy, University of Granada, Granada 18071, Spain.
- Instituto de Investigación Biosanitaria ibs, GRANADA, Complejo Hospitalario Universitario de Granada/Universidad de Granada, Granada 18014, Spain.
| | - Angel Gil
- Institute of Nutrition and Food Technology "José Mataix", Biomedical Research Center, University of Granada, Armilla 18100, Spain.
- Department of Biochemistry and Molecular Biology II, School of Pharmacy, University of Granada, Granada 18071, Spain.
- Instituto de Investigación Biosanitaria ibs, GRANADA, Complejo Hospitalario Universitario de Granada/Universidad de Granada, Granada 18014, Spain.
- CIBEROBN (Physiopathology of Obesity and Nutrition CB12/03/30038), Instituto de Salud Carlos III (ISCIII), Madrid 28029, Spain.
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