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Sökning: WFRF:(Hemani G) > (2020-2023) > Avoiding dynastic, ...

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FältnamnIndikatorerMetadata
00003255naa a2200649 4500
001oai:prod.swepub.kib.ki.se:144215256
003SwePub
008240701s2020 | |||||||||||000 ||eng|
024a http://kipublications.ki.se/Default.aspx?queryparsed=id:1442152562 URI
024a https://doi.org/10.1038/s41467-020-17117-42 DOI
040 a (SwePub)ki
041 a engb eng
042 9 SwePub
072 7a ref2 swepub-contenttype
072 7a art2 swepub-publicationtype
100a Brumpton, B4 aut
2451 0a Avoiding dynastic, assortative mating, and population stratification biases in Mendelian randomization through within-family analyses
264 c 2020-07-14
264 1b Springer Science and Business Media LLC,c 2020
520 a Estimates from Mendelian randomization studies of unrelated individuals can be biased due to uncontrolled confounding from familial effects. Here we describe methods for within-family Mendelian randomization analyses and use simulation studies to show that family-based analyses can reduce such biases. We illustrate empirically how familial effects can affect estimates using data from 61,008 siblings from the Nord-Trøndelag Health Study and UK Biobank and replicated our findings using 222,368 siblings from 23andMe. Both Mendelian randomization estimates using unrelated individuals and within family methods reproduced established effects of lower BMI reducing risk of diabetes and high blood pressure. However, while Mendelian randomization estimates from samples of unrelated individuals suggested that taller height and lower BMI increase educational attainment, these effects were strongly attenuated in within-family Mendelian randomization analyses. Our findings indicate the necessity of controlling for population structure and familial effects in Mendelian randomization studies.
700a Sanderson, E4 aut
700a Heilbron, K4 aut
700a Hartwig, FP4 aut
700a Harrison, S4 aut
700a Vie, GA4 aut
700a Cho, Y4 aut
700a Howe, LD4 aut
700a Hughes, A4 aut
700a Boomsma, DI4 aut
700a Havdahl, A4 aut
700a Hopper, J4 aut
700a Neale, M4 aut
700a Nivard, MG4 aut
700a Pedersen, NLu Karolinska Institutet4 aut
700a Reynolds, CA4 aut
700a Tucker-Drob, EM4 aut
700a Grotzinger, A4 aut
700a Howe, L4 aut
700a Morris, T4 aut
700a Li, S4 aut
700a Auton, A4 aut
700a Windmeijer, F4 aut
700a Chen, WM4 aut
700a Bjorngaard, JH4 aut
700a Hveem, K4 aut
700a Willer, C4 aut
700a Evans, DM4 aut
700a Kaprio, J4 aut
700a Smith, GD4 aut
700a Asvold, BO4 aut
700a Hemani, G4 aut
700a Davies, NM4 aut
710a Karolinska Institutet4 org
773t Nature communicationsd : Springer Science and Business Media LLCg 11:1, s. 3519-q 11:1<3519-x 2041-1723
856u https://www.nature.com/articles/s41467-020-17117-4.pdf
8564 8u http://kipublications.ki.se/Default.aspx?queryparsed=id:144215256
8564 8u https://doi.org/10.1038/s41467-020-17117-4

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