作者
Sarah E Medland, Dale R Nyholt, Jodie N Painter, Brian P McEvoy, Allan F McRae, Gu Zhu, Scott D Gordon, Manuel AR Ferreira, Margaret J Wright, Anjali K Henders, Megan J Campbell, David L Duffy, Narelle K Hansell, Stuart Macgregor, Wendy S Slutske, Andrew C Heath, Grant W Montgomery, Nicholas G Martin
发表日期
2009/11/13
期刊
The American Journal of Human Genetics
卷号
85
期号
5
页码范围
750-755
出版商
Cell Press
简介
Hair morphology is highly differentiated between populations and among people of European ancestry. Whereas hair morphology in East Asian populations has been studied extensively, relatively little is known about the genetics of this trait in Europeans. We performed a genome-wide association scan for hair morphology (straight, wavy, curly) in three Australian samples of European descent. All three samples showed evidence of association implicating the Trichohyalin gene (TCHH), which is expressed in the developing inner root sheath of the hair follicle, and explaining ∼6% of variance (p = 1.5 × 10−31). These variants are at their highest frequency in Northern Europeans, paralleling the distribution of the straight-hair EDAR variant in Asian populations.
引用总数
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SE Medland, DR Nyholt, JN Painter, BP McEvoy… - The American Journal of Human Genetics, 2009