A whole-genome linkage scan suggests several genomic regions potentially containing QTLs underlying the variation of stature

Hong Wen Deng, Fu Hua Xu, Yao Zhong Liu, Hui Shen, Hongyi Deng, Qing Yang Huang, Yong Jun Liu, Theresa Conway, Jin Long Li, K. M. Davies, Robert R. Recker

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Abstract

Human height is a complex trait under the control of both genetic and environment factors. In order to identify genomic regions underlying the variation of stature, we performed a whole-genome linkage analysis on a sample of 53 human pedigrees containing 1,249 sib pairs, 1,098 grandparent-grandchildren pairs, 1,993 avuncular pairs, and 1,172 first-cousin pairs. Several genomic regions were suggested by our study to be linked with human height variation. These regions include 5q31 at 144 cM from pter on chromosome 5 (with a maximum LOD score of 2.14 in multipoint linkage analyses), Xp22 at the marker DXS1060, and Xq25 at DXS1001 on the X chromosome (with LOD scores of 1.95 and 1.91, respectively, in two-point linkage analyses). Noticeably, Xp22 happens to be the very region where a newly identified gene underlying idiopathic short stature, SHOX, maps. Based on our findings, further confirmation and fine-mapping studies are to be pursued on expanded samples and/or with denser markers for eventual identification of major functional genes involved in human height variation.

Original languageEnglish (US)
Pages (from-to)29-39
Number of pages11
JournalAmerican Journal of Medical Genetics
Volume113
Issue number1
DOIs
StatePublished - Nov 15 2002

All Science Journal Classification (ASJC) codes

  • Genetics
  • Genetics(clinical)

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    Deng, H. W., Xu, F. H., Liu, Y. Z., Shen, H., Deng, H., Huang, Q. Y., Liu, Y. J., Conway, T., Li, J. L., Davies, K. M., & Recker, R. R. (2002). A whole-genome linkage scan suggests several genomic regions potentially containing QTLs underlying the variation of stature. American Journal of Medical Genetics, 113(1), 29-39. https://doi.org/10.1002/ajmg.10742