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Evidence of inbreeding depression on human height (CROSBI ID 187848)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

(ROHgen Consortium) McQuillan, Ruth ; Eklund, Niina ; Pirastu, Nicola ; Kuningas, Maris ; McEvoy, Brian P. ; Esko, Tõnu ; Corre, Tanguy ; Davies, Gail ; Kaakinen, Marika ; Lyytikäinen, Leo-Pekka et al. Evidence of inbreeding depression on human height // PLOS genetics, 8 (2012), 7; e1002655, 14. doi: 10.1371/journal.pgen.1002655

Podaci o odgovornosti

McQuillan, Ruth ; Eklund, Niina ; Pirastu, Nicola ; Kuningas, Maris ; McEvoy, Brian P. ; Esko, Tõnu ; Corre, Tanguy ; Davies, Gail ; Kaakinen, Marika ; Lyytikäinen, Leo-Pekka ; Kristiansson, Kati ; Havulinna, Aki S. ; Gögele, Martin ; Vitart, Veronique ; Tenesa, Albert ; Aulchenko, Yurii ; Hayward, Caroline ; Johansson, Åsa ; Boban, Mladen ; Ulivi, Sheila ; Robino, Antonietta ; Boraska, Vesna ; Igl, Wilmar ; Wild, Sarah H. ; Zgaga, Lina ; Amin, Najaf ; Theodoratou, Evropi ; Polašek, Ozren ; Girotto, Giorgia ; Lopez, Lorna M. ; Sala, Cinzia ; Lahti, Jari ; Laatikainen, Tiina ; Prokopenko, Inga ; Kals, Mart ; Viikari, Jorma ; Yang, Jian ; Pouta, Anneli ; Estrada, Karol ; Hofman, Albert ; Freimer, Nelson ; Martin, Nicholas G. ; Kähönen, Mika ; Milani, Lili ; Heliövaara, Markku ; Vartiainen, Erkki ; Räikkönen, Katri ; Masciullo, Corrado ; Starr, John M. ; Hicks, Andrew A. ; Esposito, Laura : Kolčić, Ivana ; Farrington, Susan M. ; Oostra, Ben ; Zemunik, Tatijana ; Campbell, Harry ; Kirin, Mirna ; Pehlic, Marina ; Faletra, Flavio ; Porteous, David ; Pistis, Giorgio ; Widén, Elisabeth ; Salomaa, Veikko ; Koskinen, Seppo ; Fischer, Krista ; Lehtimäki, Terho ; Heath, Andrew ; McCarthy, Mark I. ; Rivadeneira, Fernando ; Montgomery, Grant W. ; Tiemeier, Henning ; Hartikainen, Anna-Liisa ; Madden, Pamela A. F. ; d'Adamo, Pio ; Hastie, Nicholas D. ; Gyllensten, Ulf ; Wright, Alan F. ; van Duijn, Cornelia M. ; Dunlop, Malcolm ; Rudan, Igor ; Gasparini, Paolo ; Pramstaller, Peter P. ; Deary, Ian J. ; Toniolo, Daniela ; Eriksson, Johan G. ; Jula, Antti ; Raitakari, Olli T. ; Metspalu, Andres ; Perola, Markus ; Järvelin, Marjo-Riitta ; Uitterlinden, André ; Visscher, Peter M. ; Wilson, James F.

ROHgen Consortium

engleski

Evidence of inbreeding depression on human height

Stature is a classical and highly heritable complex trait, with 80%-90% of variation explained by genetic factors. In recent years, genome-wide association studies (GWAS) have successfully identified many common additive variants influencing human height ; however, little attention has been given to the potential role of recessive genetic effects. Here, we investigated genome-wide recessive effects by an analysis of inbreeding depression on adult height in over 35, 000 people from 21 different population samples. We found a highly significant inverse association between height and genome-wide homozygosity, equivalent to a height reduction of up to 3 cm in the offspring of first cousins compared with the offspring of unrelated individuals, an effect which remained after controlling for the effects of socio-economic status, an important confounder (χ(2) = 83.89, df = 1 ; p = 5.2 × 10(-20)). There was, however, a high degree of heterogeneity among populations: whereas the direction of the effect was consistent across most population samples, the effect size differed significantly among populations. It is likely that this reflects true biological heterogeneity: whether or not an effect can be observed will depend on both the variance in homozygosity in the population and the chance inheritance of individual recessive genotypes. These results predict that multiple, rare, recessive variants influence human height. Although this exploratory work focuses on height alone, the methodology developed is generally applicable to heritable quantitative traits (QT), paving the way for an investigation into inbreeding effects, and therefore genetic architecture, on a range of QT of biomedical importance.

inbreeding ; height ; runs of homozygosity

nije evidentirano

nije evidentirano

nije evidentirano

nije evidentirano

nije evidentirano

nije evidentirano

Podaci o izdanju

8 (7)

2012.

e1002655

14

objavljeno

1553-7390

1553-7404

10.1371/journal.pgen.1002655

Povezanost rada

Javno zdravstvo i zdravstvena zaštita, Temeljne medicinske znanosti

Poveznice
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