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Search: WFRF:(Hassinen Maija) > (2015)

  • Result 1-7 of 7
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1.
  • Gaulton, Kyle J, et al. (author)
  • Genetic fine mapping and genomic annotation defines causal mechanisms at type 2 diabetes susceptibility loci.
  • 2015
  • In: Nature Genetics. - : Springer Science and Business Media LLC. - 1546-1718 .- 1061-4036. ; 47:12, s. 1415-1415
  • Journal article (peer-reviewed)abstract
    • We performed fine mapping of 39 established type 2 diabetes (T2D) loci in 27,206 cases and 57,574 controls of European ancestry. We identified 49 distinct association signals at these loci, including five mapping in or near KCNQ1. 'Credible sets' of the variants most likely to drive each distinct signal mapped predominantly to noncoding sequence, implying that association with T2D is mediated through gene regulation. Credible set variants were enriched for overlap with FOXA2 chromatin immunoprecipitation binding sites in human islet and liver cells, including at MTNR1B, where fine mapping implicated rs10830963 as driving T2D association. We confirmed that the T2D risk allele for this SNP increases FOXA2-bound enhancer activity in islet- and liver-derived cells. We observed allele-specific differences in NEUROD1 binding in islet-derived cells, consistent with evidence that the T2D risk allele increases islet MTNR1B expression. Our study demonstrates how integration of genetic and genomic information can define molecular mechanisms through which variants underlying association signals exert their effects on disease.
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2.
  • Krachler, Benno, et al. (author)
  • Cardiopulmonary fitness is a function of lean mass, not total body weight : The DR's EXTRA study
  • 2015
  • In: European Journal of Preventive Cardiology. - : Oxford University Press (OUP). - 2047-4873 .- 2047-4881. ; 22:9, s. 1171-1179
  • Journal article (peer-reviewed)abstract
    • Background: Division by total body weight is the usual way to standardise peak oxygen uptake (peak VO2) for body size. However, this method systematically underestimates cardiopulmonary fitness in obese individuals. Our aim was to analyse whether lean-mass is a better base for a body mass-independent standard of cardiopulmonary fitness. Methods: A population based sample of 578 men (body mass index (BMI) 19-47kg/m(2)) and 592 women (BMI 16-49kg/m(2)) 57-78 years of age. Peak VO2 was assessed by respiratory gas analysis during a maximal exercise test on a cycle ergometer. We studied the validity of the weight-ratio and the lean mass-ratio standards in a linear regression model. Results: The weight-ratio standard implies an increase of peak VO2 per additional kg body weight with 20.7ml/min (95% confidence interval (CI): 20.3-21.1) in women and 26.9ml/min (95% CI: 26.4-27.5) in men. The observed increase per kg is only 8.5ml/min (95% CI: 6.5-10.5) in men and 10.4ml/min (95% CI: 7.5-13.4) in women. For the lean mass-ratio standard expected and observed increases in peak VO2 per kg lean mass were 32.3 (95% CI: 31.8-32.9) and 34.6 (95% CI: 30.0-39.1) ml/min for women and 36.2 (95% CI: 35.6-36.8) and 37.3 (95% CI: 32.1-42.4) ml/min in men. The lean mass-ratio standard is a body mass-independent measure of cardiopulmonary fitness in 100% of women and 58% of men; corresponding values for the weight-ratio standard were 11% and 16%. Conclusions: For comparisons of cardiopulmonary fitness across different categories of body mass, the lean mass-ratio standard should be used.
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5.
  • Locke, Adam E, et al. (author)
  • Genetic studies of body mass index yield new insights for obesity biology.
  • 2015
  • In: Nature. - : Springer Science and Business Media LLC. - 0028-0836 .- 1476-4687. ; 518:7538, s. 197-401
  • Journal article (peer-reviewed)abstract
    • Obesity is heritable and predisposes to many diseases. To understand the genetic basis of obesity better, here we conduct a genome-wide association study and Metabochip meta-analysis of body mass index (BMI), a measure commonly used to define obesity and assess adiposity, in up to 339,224 individuals. This analysis identifies 97 BMI-associated loci (P < 5 × 10(-8)), 56 of which are novel. Five loci demonstrate clear evidence of several independent association signals, and many loci have significant effects on other metabolic phenotypes. The 97 loci account for ∼2.7% of BMI variation, and genome-wide estimates suggest that common variation accounts for >20% of BMI variation. Pathway analyses provide strong support for a role of the central nervous system in obesity susceptibility and implicate new genes and pathways, including those related to synaptic function, glutamate signalling, insulin secretion/action, energy metabolism, lipid biology and adipogenesis.
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6.
  • Männikkö, Reija, et al. (author)
  • The Nordic diet and cognition - The DR's EXTRA Study
  • 2015
  • In: British Journal of Nutrition. - 0007-1145 .- 1475-2662. ; 114:2, s. 231-239
  • Journal article (peer-reviewed)abstract
    • The rapid increase in the prevalence of dementia associated with ageing populations has stimulated interest in identifying modifiable lifestyle factors that could prevent cognitive impairment. One such potential preventive lifestyle factor is the Nordic diet that has been shown to reduce the risk of CVD; however, its effect on cognition has not been studied. The aim of the present study was to estimate the cross-sectional and longitudinal associations of the baseline Nordic diet with cognitive function at baseline and after a 4-year follow-up in a population-based random sample (n 1140 women and men, age 57-78 years) as secondary analyses of the Finnish Dose-Responses to Exercise Training study. The Nordic diet score was created based on reported dietary components in 4-d food records. Cognition was assessed by the Consortium to Establish a Registry for Alzheimer's Disease (CERAD) neuropsychological battery and the Mini-mental State Examination (MMSE). The baseline Nordic diet score had been positively associated with Verbal Fluency (beta 0.08 (95% CI 0.00, 0.16), P=0.039) and Word List Learning (beta 0.06 (95% CI 0.01, 0.10), P=0.022) at 4 years but not with the Consortium to Establish a Registry for Alzheimer's Disease total score (CERAD-TS) or MMSE at 4 years, after adjustment for baseline cognitive scores, demographic factors and health-related factors. After excluding individuals with impaired cognition at baseline, the baseline Nordic diet score had also been positively associated with the CERAD-TS (beta 0.10 (95% CI 0.00, 0.20), P=0.042) and MMSE (beta 0.03 (95% CI 0.00, 0.06), P=0.039) at 4 years. These associations disappeared after further adjustment for energy intake. In conclusion, the Nordic diet might have a positive association with cognition in individuals with normal cognition.
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7.
  • Shungin, Dmitry, et al. (author)
  • New genetic loci link adipose and insulin biology to body fat distribution.
  • 2015
  • In: Nature. - : Springer Science and Business Media LLC. - 0028-0836 .- 1476-4687. ; 518:7538, s. 187-378
  • Journal article (peer-reviewed)abstract
    • Body fat distribution is a heritable trait and a well-established predictor of adverse metabolic outcomes, independent of overall adiposity. To increase our understanding of the genetic basis of body fat distribution and its molecular links to cardiometabolic traits, here we conduct genome-wide association meta-analyses of traits related to waist and hip circumferences in up to 224,459 individuals. We identify 49 loci (33 new) associated with waist-to-hip ratio adjusted for body mass index (BMI), and an additional 19 loci newly associated with related waist and hip circumference measures (P < 5 × 10(-8)). In total, 20 of the 49 waist-to-hip ratio adjusted for BMI loci show significant sexual dimorphism, 19 of which display a stronger effect in women. The identified loci were enriched for genes expressed in adipose tissue and for putative regulatory elements in adipocytes. Pathway analyses implicated adipogenesis, angiogenesis, transcriptional regulation and insulin resistance as processes affecting fat distribution, providing insight into potential pathophysiological mechanisms.
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  • Result 1-7 of 7
Type of publication
journal article (7)
Type of content
peer-reviewed (6)
other academic/artistic (1)
Author/Editor
Lyssenko, Valeriya (3)
Groop, Leif (3)
Salomaa, Veikko (3)
Lind, Lars (3)
Wareham, Nicholas J. (3)
Stancáková, Alena (3)
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Kuusisto, Johanna (3)
Laakso, Markku (3)
McCarthy, Mark I (3)
Langenberg, Claudia (3)
Pedersen, Nancy L (3)
Boehnke, Michael (3)
Hamsten, Anders (3)
Mohlke, Karen L (3)
Scott, Robert A (3)
Ingelsson, Erik (3)
Qi, Lu (3)
Hunter, David J (3)
Tuomilehto, Jaakko (3)
Thorleifsson, Gudmar (3)
Thorsteinsdottir, Un ... (3)
Stefansson, Kari (3)
Abecasis, Goncalo R. (3)
Krachler, Benno (3)
Gieger, Christian (3)
Peters, Annette (3)
Strauch, Konstantin (3)
de Faire, Ulf (3)
Barroso, Ines (3)
Hattersley, Andrew T (3)
Mahajan, Anubha (3)
Froguel, Philippe (3)
Luan, Jian'an (3)
Gustafsson, Stefan (3)
Leander, Karin (3)
Gigante, Bruna (3)
Metspalu, Andres (3)
Männistö, Satu (3)
Blüher, Matthias (3)
Eriksson, Johan G. (3)
Kovacs, Peter (3)
Thorand, Barbara (3)
Loos, Ruth J F (3)
Morris, Andrew D (3)
Illig, Thomas (3)
Boehm, Bernhard O. (3)
Humphries, Steve E. (3)
Hveem, Kristian (3)
Prokopenko, Inga (3)
Lobbens, Stephane (3)
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University
Umeå University (6)
Karolinska Institutet (4)
Uppsala University (3)
Lund University (3)
University of Gothenburg (2)
Stockholm University (2)
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Högskolan Dalarna (2)
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Language
English (7)
Research subject (UKÄ/SCB)
Medical and Health Sciences (7)
Natural sciences (1)
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