The fresh GWAS for tresses color within take to try blogged in the past (Lin mais aussi al

The fresh GWAS for tresses color within take to try blogged in the past (Lin mais aussi al

Overall performance

, Reference Lin, Mbarek, Willemsen, Dolan, Fedko and you will Abdellaoui 2015) together with results from the new GWAS having eyes color is actually discussed regarding the Second situation. We replicated new known genetic variants for vision colour for instance the HERC2 part getting brown eyes color (most useful SNP: rs74940492, Otherwise = 0.09, p = 5.4E-8) and also for blue/grey eyes colour (better SNP: rs2240202, Or = , p = 1.0E-47); TYR and SLC24A4 for bluish/gray (greatest SNPs: rs4904871, Or = 0.71, p = 2.8E-13; rs67279079, Otherwise = 0.70, p = step 3.1E-11) and green/hazel eye colour (ideal SNPs: rs4904871, Otherwise = step 1.52, p = 3.8E-20; rs67279079, Or = step one.49, p = step 3.6E-10). Of these understood pigment genetic versions, we understood you to HERC2 have pleiotropic outcomes into the blond, brownish, black hair color and you may bluish/gray, brown vision colour, and you will SLC24A4 has pleiotropic outcomes toward blond, brownish, black tresses color and bluish/gray and you will eco-friendly/hazel attention color.

The phenotypic association of eye and hair colors confirms the two traits to be strongly related in our sample (? 2 -test with 4 degrees of freedom gave a p value < 2.2?10 ?16 ): people with blond and red hair are likely to have blue/gray eyes while people with dark hair are more likely to have brown eyes. The counts and frequencies of the hair and eye color phenotypes for the 3,619 individuals (1,401 males; age: ± and 2,218 females; age: ±) are presented in Table 2(a), whereas Table 2(b) summarizes the information on the hair-eye color association from the much larger sample collected by Bolk ( Reference Bolk 1908), confirming the strong association in the Dutch population.

The brand new hereditary correlations involving the tresses and you will vision shade are presented inside the Desk step 3. Right here, a similar family members are found as in new phenotypic description from the information and knowledge, in which the genetics pertaining to blond tresses let you know an effective positive relationship which have blue/grey colored sight and you will a terrible relationship having brownish and you can green coloured sight. Because of the lower incidence of red hair colour in our inhabitants, we do not place any high hereditary convergence with one eye colour. In the end, there clearly was an obvious and you will good hereditary overlap to have brownish vision and you will a dark tresses colour.

Desk step three The brand new Genetic Correlations Ranging from Locks and you will Attention Colour Estimated Regarding Common SNPs (MAF > 0.01) Covering the Full Genome, Fixed getting Many years and you will Intercourse, Inside Not related People of holland Dual Sign in

Whenever including the original three genetic Pcs you to synchronised which have Dutch origins, the fresh hereditary correlations try smaller in order to zero (LRT = 0, p worth = .5). It appears your hereditary Pcs of one’s Dutch population is trapping the fresh new overlapping genetic variance out of vision and you will hair color.


Predicated on our very own analyses away from genome-wider SNP investigation, you will find a robust hereditary convergence ranging from vision and you can tresses colour within the Dutch society. This can be according to conclusions away from earlier unit degree indicating the exact same genes take part in hair and eye colour; like, versions inside the melanin promoting path plus HERC2, OCA2, SLC24A4, and you can TYR (Han et al., Source Han, Kraft, Nan, Guo, Chen and you can Qureshi 2008; Liu mais aussi al., Reference Liu, Wollstein, Hysi, Ankra-Badu, Spector and you may Park 2010; Sulem mais aussi al., Source Sulem, Gudbjartsson, Stacey, Helgason, Rafnar and you will Magnusson 2007). I along with conducted Ich dachte darüber a great GWAS each of these two characteristics in the NTR populace (find Lin mais aussi al., Resource Lin, Mbarek, Willemsen, Dolan, Fedko and you can Abdellaoui 2015, to own tresses color and you will Second topic having attention colour). The outcome verified the fresh new involvement regarding two genes, HERC2 and you can SLC24A4, in both hair colour and you will eye color.


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江 阿華

江 阿華

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