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https://www.readbyqxmd.com/read/28196256/genetic-association-of-waist-to-hip-ratio-with-cardiometabolic-traits-type-2-diabetes-and-coronary-heart-disease
#1
Connor A Emdin, Amit V Khera, Pradeep Natarajan, Derek Klarin, Seyedeh M Zekavat, Allan J Hsiao, Sekar Kathiresan
Importance: In observational studies, abdominal adiposity has been associated with type 2 diabetes and coronary heart disease (CHD). Whether these associations represent causal relationships remains uncertain. Objective: To test the association of a polygenic risk score for waist-to-hip ratio (WHR) adjusted for body mass index (BMI), a measure of abdominal adiposity, with type 2 diabetes and CHD through the potential intermediates of blood lipids, blood pressure, and glycemic phenotypes...
February 14, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28196072/genetic-prediction-of-male-pattern-baldness
#2
Saskia P Hagenaars, W David Hill, Sarah E Harris, Stuart J Ritchie, Gail Davies, David C Liewald, Catharine R Gale, David J Porteous, Ian J Deary, Riccardo E Marioni
Male pattern baldness can have substantial psychosocial effects, and it has been phenotypically linked to adverse health outcomes such as prostate cancer and cardiovascular disease. We explored the genetic architecture of the trait using data from over 52,000 male participants of UK Biobank, aged 40-69 years. We identified over 250 independent genetic loci associated with severe hair loss (P<5x10-8). By splitting the cohort into a discovery sample of 40,000 and target sample of 12,000, we developed a prediction algorithm based entirely on common genetic variants that discriminated (AUC = 0...
February 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28194004/genetic-contributions-to-self-reported-tiredness
#3
V Deary, S P Hagenaars, S E Harris, W D Hill, G Davies, D C M Liewald, A M McIntosh, C R Gale, I J Deary
Self-reported tiredness and low energy, often called fatigue, are associated with poorer physical and mental health. Twin studies have indicated that this has a heritability between 6 and 50%. In the UK Biobank sample (N=108 976), we carried out a genome-wide association study (GWAS) of responses to the question, 'Over the last two weeks, how often have you felt tired or had little energy?' Univariate GCTA-GREML found that the proportion of variance explained by all common single-nucleotide polymorphisms for this tiredness question was 8...
February 14, 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/28186152/association-of-polygenic-risk-for-major-psychiatric-illness-with-subcortical-volumes-and-white-matter-integrity-in-uk-biobank
#4
L M Reus, X Shen, J Gibson, E Wigmore, L Ligthart, M J Adams, G Davies, S R Cox, S P Hagenaars, M E Bastin, I J Deary, H C Whalley, A M McIntosh
Major depressive disorder (MDD), schizophrenia (SCZ) and bipolar disorder (BP) are common, disabling and heritable psychiatric diseases with a complex overlapping polygenic architecture. Individuals with these disorders, as well as their unaffected relatives, show widespread structural differences in corticostriatal and limbic networks. Structural variation in many of these brain regions is also heritable and polygenic but whether their genetic architecture overlaps with that of major psychiatric disorders is unknown...
February 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28178995/reference-ranges-for-cardiac-structure-and-function-using-cardiovascular-magnetic-resonance-cmr-in-caucasians-from-the-uk-biobank-population-cohort
#5
Steffen E Petersen, Nay Aung, Mihir M Sanghvi, Filip Zemrak, Kenneth Fung, Jose Miguel Paiva, Jane M Francis, Mohammed Y Khanji, Elena Lukaschuk, Aaron M Lee, Valentina Carapella, Young Jin Kim, Paul Leeson, Stefan K Piechnik, Stefan Neubauer
BACKGROUND: Cardiovascular magnetic resonance (CMR) is the gold standard method for the assessment of cardiac structure and function. Reference ranges permit differentiation between normal and pathological states. To date, this study is the largest to provide CMR specific reference ranges for left ventricular, right ventricular, left atrial and right atrial structure and function derived from truly healthy Caucasian adults aged 45-74. METHODS: Five thousand sixty-five UK Biobank participants underwent CMR using steady-state free precession imaging at 1...
February 3, 2017: Journal of Cardiovascular Magnetic Resonance
https://www.readbyqxmd.com/read/28175250/p770-first-analysis-from-uk-ibd-twin-biobank-16s-rrna-gene-sequencing-identifies-reduced-diversity-in-ibd-and-bacterial-taxa-associated-with-disease
#6
J McDonald, H Gordon, W Blad, T Orchard, J Marchesi, M Harbord
No abstract text is available yet for this article.
February 1, 2017: Journal of Crohn's & Colitis
https://www.readbyqxmd.com/read/28166415/adverse-metabolic-and-mental-health-outcomes-associated-with-shiftwork-in-a-population-based-study-of-277-168-workers-in-uk-biobank
#7
Cathy A Wyse, Carlos A Celis Morales, Nicolas Graham, Yu Fan, Joey Ward, Anne M Curtis, Daniel Mackay, Daniel J Smith, Mark E S Bailey, Stephany Biello, Jason M R Gill, J P Pell
BACKGROUND: Reported associations between shiftwork and health have largely been based on occupation-specific, or single sex studies that might not be generalizable to the entire working population. The objective of this study was to investigate whether shiftwork was independently associated with obesity, diabetes, poor sleep and well-being in a large, UK general population cohort. METHODS: Participants of the UK Biobank study who were employed at the time of assessment were included...
February 6, 2017: Annals of Medicine
https://www.readbyqxmd.com/read/28166213/genome-wide-association-analyses-for-lung-function-and-chronic-obstructive-pulmonary-disease-identify-new-loci-and-potential-druggable-targets
#8
Louise V Wain, Nick Shrine, María Soler Artigas, A Mesut Erzurumluoglu, Boris Noyvert, Lara Bossini-Castillo, Ma'en Obeidat, Amanda P Henry, Michael A Portelli, Robert J Hall, Charlotte K Billington, Tracy L Rimington, Anthony G Fenech, Catherine John, Tineka Blake, Victoria E Jackson, Richard J Allen, Bram P Prins, Archie Campbell, David J Porteous, Marjo-Riitta Jarvelin, Matthias Wielscher, Alan L James, Jennie Hui, Nicholas J Wareham, Jing Hua Zhao, James F Wilson, Peter K Joshi, Beate Stubbe, Rajesh Rawal, Holger Schulz, Medea Imboden, Nicole M Probst-Hensch, Stefan Karrasch, Christian Gieger, Ian J Deary, Sarah E Harris, Jonathan Marten, Igor Rudan, Stefan Enroth, Ulf Gyllensten, Shona M Kerr, Ozren Polasek, Mika Kähönen, Ida Surakka, Veronique Vitart, Caroline Hayward, Terho Lehtimäki, Olli T Raitakari, David M Evans, A John Henderson, Craig E Pennell, Carol A Wang, Peter D Sly, Emily S Wan, Robert Busch, Brian D Hobbs, Augusto A Litonjua, David W Sparrow, Amund Gulsvik, Per S Bakke, James D Crapo, Terri H Beaty, Nadia N Hansel, Rasika A Mathias, Ingo Ruczinski, Kathleen C Barnes, Yohan Bossé, Philippe Joubert, Maarten van den Berge, Corry-Anke Brandsma, Peter D Paré, Don D Sin, David C Nickle, Ke Hao, Omri Gottesman, Frederick E Dewey, Shannon E Bruse, David J Carey, H Lester Kirchner, Stefan Jonsson, Gudmar Thorleifsson, Ingileif Jonsdottir, Thorarinn Gislason, Kari Stefansson, Claudia Schurmann, Girish Nadkarni, Erwin P Bottinger, Ruth J F Loos, Robin G Walters, Zhengming Chen, Iona Y Millwood, Julien Vaucher, Om P Kurmi, Liming Li, Anna L Hansell, Chris Brightling, Eleftheria Zeggini, Michael H Cho, Edwin K Silverman, Ian Sayers, Gosia Trynka, Andrew P Morris, David P Strachan, Ian P Hall, Martin D Tobin
Chronic obstructive pulmonary disease (COPD) is characterized by reduced lung function and is the third leading cause of death globally. Through genome-wide association discovery in 48,943 individuals, selected from extremes of the lung function distribution in UK Biobank, and follow-up in 95,375 individuals, we increased the yield of independent signals for lung function from 54 to 97. A genetic risk score was associated with COPD susceptibility (odds ratio per 1 s.d. of the risk score (∼6 alleles) (95% confidence interval) = 1...
February 6, 2017: Nature Genetics
https://www.readbyqxmd.com/read/28158566/the-association-between-physical-activity-and-risk-of-mortality-is-modulated-by-grip-strength-and-cardiorespiratory-fitness-evidence-from-498-135-uk-biobank-participants
#9
Carlos A Celis-Morales, Donald M Lyall, Jana Anderson, Stamatina Iliodromiti, Yu Fan, Uduakobong E Ntuk, Daniel F Mackay, Jill P Pell, Naveed Sattar, Jason M R Gill
No abstract text is available yet for this article.
January 7, 2017: European Heart Journal
https://www.readbyqxmd.com/read/28146576/large-scale-population-assessment-of-physical-activity-using-wrist-worn-accelerometers-the-uk-biobank-study
#10
Aiden Doherty, Dan Jackson, Nils Hammerla, Thomas Plötz, Patrick Olivier, Malcolm H Granat, Tom White, Vincent T van Hees, Michael I Trenell, Christoper G Owen, Stephen J Preece, Rob Gillions, Simon Sheard, Tim Peakman, Soren Brage, Nicholas J Wareham
BACKGROUND: Physical activity has not been objectively measured in prospective cohorts with sufficiently large numbers to reliably detect associations with multiple health outcomes. Technological advances now make this possible. We describe the methods used to collect and analyse accelerometer measured physical activity in over 100,000 participants of the UK Biobank study, and report variation by age, sex, day, time of day, and season. METHODS: Participants were approached by email to wear a wrist-worn accelerometer for seven days that was posted to them...
2017: PloS One
https://www.readbyqxmd.com/read/28144980/association-between-grip-strength-and-diabetes-prevalence-in-black-south-asian-and-white-european-ethnic-groups-a-cross-sectional-analysis-of-418-656-participants-in-the-uk-biobank-study
#11
U E Ntuk, C A Celis-Morales, D F Mackay, N Sattar, J P Pell, J M R Gill
AIMS: To quantify the extent to which ethnic differences in muscular strength might account for the substantially higher prevalence of diabetes in black and South-Asian compared with white European adults. METHODS: This cross-sectional study used baseline data from the UK Biobank study on 418 656 white European, black and South-Asian participants, aged 40-69 years, who had complete data on diabetes status and hand-grip strength. Associations between hand-grip strength and diabetes were assessed using logistic regression and were adjusted for potential confounding factors...
February 1, 2017: Diabetic Medicine: a Journal of the British Diabetic Association
https://www.readbyqxmd.com/read/28135244/genome-wide-association-analysis-identifies-novel-blood-pressure-loci-and-offers-biological-insights-into-cardiovascular-risk
#12
Helen R Warren, Evangelos Evangelou, Claudia P Cabrera, He Gao, Meixia Ren, Borbala Mifsud, Ioanna Ntalla, Praveen Surendran, Chunyu Liu, James P Cook, Aldi T Kraja, Fotios Drenos, Marie Loh, Niek Verweij, Jonathan Marten, Ibrahim Karaman, Marcelo P Segura Lepe, Paul F O'Reilly, Joanne Knight, Harold Snieder, Norihiro Kato, Jiang He, E Shyong Tai, M Abdullah Said, David Porteous, Maris Alver, Neil Poulter, Martin Farrall, Ron T Gansevoort, Sandosh Padmanabhan, Reedik Mägi, Alice Stanton, John Connell, Stephan J L Bakker, Andres Metspalu, Denis C Shields, Simon Thom, Morris Brown, Peter Sever, Tõnu Esko, Caroline Hayward, Pim van der Harst, Danish Saleheen, Rajiv Chowdhury, John C Chambers, Daniel I Chasman, Aravinda Chakravarti, Christopher Newton-Cheh, Cecilia M Lindgren, Daniel Levy, Jaspal S Kooner, Bernard Keavney, Maciej Tomaszewski, Nilesh J Samani, Joanna M M Howson, Martin D Tobin, Patricia B Munroe, Georg B Ehret, Louise V Wain
Elevated blood pressure is the leading heritable risk factor for cardiovascular disease worldwide. We report genetic association of blood pressure (systolic, diastolic, pulse pressure) among UK Biobank participants of European ancestry with independent replication in other cohorts, and robust validation of 107 independent loci. We also identify new independent variants at 11 previously reported blood pressure loci. In combination with results from a range of in silico functional analyses and wet bench experiments, our findings highlight new biological pathways for blood pressure regulation enriched for genes expressed in vascular tissues and identify potential therapeutic targets for hypertension...
January 30, 2017: Nature Genetics
https://www.readbyqxmd.com/read/28128654/burden-of-carotid-artery-atherosclerosis-in-chinese-adults-implications-for-future-risk-of-cardiovascular-diseases
#13
Robert Clarke, Huaidong Du, Om Kurmi, Sarah Parish, Meng Yang, Matthew Arnold, Yu Guo, Zheng Bian, Liang Wang, Yuexin Chen, Rudy Meijer, Sam Sansome, John McDonnell, Rory Collins, Liming Li, Zhengming Chen
Background Population-based studies of ultrasound measures of carotid atherosclerosis are informative about future risks of cardiovascular disease. Design Cross-sectional studies of carotid artery atherosclerosis in 24,822 Chinese adults from the China Kadoorie Biobank and 2579 Europeans from the UK Biobank. Methods Mean intima-media thickness of the common carotid arteries and presence of carotid artery plaque were examined in the China Kadoorie Biobank study. The carotid intima-media thickness (cIMT) findings in Chinese (mean age 59 years) were compared with a European population (mean age 62 years)...
January 1, 2017: European Journal of Preventive Cardiology
https://www.readbyqxmd.com/read/28114305/targeted-sequencing-of-lung-function-loci-in-chronic-obstructive-pulmonary-disease-cases-and-controls
#14
María Soler Artigas, Louise V Wain, Nick Shrine, Tricia M McKeever, Ian Sayers, Ian P Hall, Martin D Tobin
Chronic obstructive pulmonary disease (COPD) is the third leading cause of death worldwide; smoking is the main risk factor for COPD, but genetic factors are also relevant contributors. Genome-wide association studies (GWAS) of the lung function measures used in the diagnosis of COPD have identified a number of loci, however association signals are often broad and collectively these loci only explain a small proportion of the heritability. In order to examine the association with COPD risk of genetic variants down to low allele frequencies, to aid fine-mapping of association signals and to explain more of the missing heritability, we undertook a targeted sequencing study in 300 COPD cases and 300 smoking controls for 26 loci previously reported to be associated with lung function...
2017: PloS One
https://www.readbyqxmd.com/read/28106621/mortality-risk-reductions-from-substituting-screen-time-by-discretionary-activities
#15
Katrien Wijndaele, Stephen J Sharp, Nicholas J Wareham, Søren Brage
PURPOSE: Leisure-screen-time, including TV viewing, is associated with increased mortality risk. We estimated the all-cause mortality risk reductions associated with substituting leisure-screen-time with different discretionary physical activity types, and the change in mortality incidence associated with different substitution scenarios. METHODS: 423,659 UK Biobank participants, without stroke, myocardial infarction or cancer history, were followed for 7.6 (1.4) (median (IQR)) years...
January 19, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28095156/lung-cancer-risk-prediction-model-incorporating-lung-function-development-and-validation-in-the-uk-biobank-prospective-cohort-study
#16
David C Muller, Mattias Johansson, Paul Brennan
Purpose Several lung cancer risk prediction models have been developed, but none to date have assessed the predictive ability of lung function in a population-based cohort. We sought to develop and internally validate a model incorporating lung function using data from the UK Biobank prospective cohort study. Methods This analysis included 502,321 participants without a previous diagnosis of lung cancer, predominantly between 40 and 70 years of age. We used flexible parametric survival models to estimate the 2-year probability of lung cancer, accounting for the competing risk of death...
January 17, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28092683/case-control-association-mapping-by-proxy-using-family-history-of-disease
#17
Jimmy Z Liu, Yaniv Erlich, Joseph K Pickrell
Collecting cases for case-control genetic association studies can be time-consuming and expensive. In some situations (such as studies of late-onset or rapidly lethal diseases), it may be more practical to identify family members of cases. In randomly ascertained cohorts, replacing cases with their first-degree relatives enables studies of diseases that are absent (or nearly absent) in the cohort. We refer to this approach as genome-wide association study by proxy (GWAX) and apply it to 12 common diseases in 116,196 individuals from the UK Biobank...
January 16, 2017: Nature Genetics
https://www.readbyqxmd.com/read/28077465/cost-effectiveness-of-the-polypill-versus-risk-assessment-for-prevention-of-cardiovascular-disease
#18
Bart S Ferket, M G Myriam Hunink, Mohammed Khanji, Isha Agarwal, Kirsten E Fleischmann, Steffen E Petersen
OBJECTIVE: There is an international trend towards recommending medication to prevent cardiovascular disease (CVD) in individuals at increasingly lower cardiovascular risk. We assessed the cost-effectiveness of a population approach with a polypill including a statin (simvastatin 20 mg) and three antihypertensive agents (amlodipine 2.5 mg, losartan 25 mg and hydrochlorothiazide 12.5 mg) and periodic risk assessment with different risk thresholds. METHODS: We developed a microsimulation model for lifetime predictions of CVD events, diabetes, and death in 259 146 asymptomatic UK Biobank participants aged 40-69 years...
January 11, 2017: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/28075609/female-smokers-are-at-greater-risk-of-airflow-obstruction-than-male-smokers-uk-biobank
#19
André F S Amaral, David P Strachan, Peter Gj Burney, Deborah L Jarvis
The prevalence of chronic obstructive pulmonary disease (COPD) is increasing faster among women than among men. <br><br> Objectives: To examine sex differences in the risk of airflow obstruction (COPD hallmark) in relation to smoking history. <br><br> Methods: We analysed 149,075 women and 100,252 men taking part in the UK Biobank, who had provided spirometry measurements and information on smoking. The association of airflow obstruction with smoking characteristics was assessed, by sex, using regression analysis...
January 11, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/28073954/gene-obesogenic-environment-interactions-in-the-uk-biobank-study
#20
Jessica Tyrrell, Andrew R Wood, Ryan M Ames, Hanieh Yaghootkar, Robin N Beaumont, Samuel E Jones, Marcus A Tuke, Katherine S Ruth, Rachel M Freathy, George Davey Smith, Stéphane Joost, Idris Guessous, Anna Murray, David P Strachan, Zoltán Kutalik, Michael N Weedon, Timothy M Frayling
BACKGROUND: Previous studies have suggested that modern obesogenic environments accentuate the genetic risk of obesity. However, these studies have proven controversial as to which, if any, measures of the environment accentuate genetic susceptibility to high body mass index (BMI). METHODS: We used up to 120 000 adults from the UK Biobank study to test the hypothesis that high-risk obesogenic environments and behaviours accentuate genetic susceptibility to obesity...
January 10, 2017: International Journal of Epidemiology
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