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ASSOCIATION ANALYSIS OF POLYMORPHISMS IN SIX GENES WITHIN THE GH/IGF-1 AXIS IN PATIENTS WITH IDIOPATHIC SHORT STATURE IN THE CHINESE HAN POPULATION 被引量:1
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作者 滕月春 王伟 +6 位作者 黄薇 王莹 杨玉 卫海燕 陈少科 陈临琪 王德芬 《Medical Bulletin of Shanghai Jiaotong University》 CAS 2012年第1期1-9,共9页
Objective To investigate relationships of polymorphisms in six genes ( GHR, IGF-1, IGF-1R, IGFBP-3, JAK2, and STAT5b) in the growth hormone (GH)/insulin-like growth factor-1 (IGF-1) axis with idiopathic short st... Objective To investigate relationships of polymorphisms in six genes ( GHR, IGF-1, IGF-1R, IGFBP-3, JAK2, and STAT5b) in the growth hormone (GH)/insulin-like growth factor-1 (IGF-1) axis with idiopathic short stature (ISS) in the Chinese Han population. Methods A case- control study was carried out on a cohort of 198 ISS patients and 306 healthy controls. A total of 106 tagging single nucleotide polymorphisms (tagSNPs) from the six genes were selected from the HapMap (haplotype map of the human genome ) Han Chinese in the Beijing subset. Results of genotyping conducted by high- throughput lllumina GoldenGateTM Assay were analyzed by statistical software. Results Both individual tagSNPs and haplotypes showed an association with 1SS in the Han Chinese population ( P 〈 O. 05 ). For each single test, both allele and genotype were tested. By allele frequency analysis, six positive SNP sites ( rsNo. 1, rsNo. 2, rsNo. 3, rsNo. 4, rsNo. 5, and rsNo. 6) of 3 genes ( JAK2, 1GF-1R, and GHR) were found having associations with ISS. By genotype frequency analysis, there were significant differences between the patient and control groups in the following SNP sites: 4 sites in JAK2 gene ( rsNo. 1, rsNo. 2, rsNo. 3, and rsNo. 4) and 1 site in GHR gene ( rsNo. 6). The risk which affected ISS was found related to the JAK2 gene in 4 sites ( increase in rsNo. 1 and decrease in rsNo. 2, rsNo. 3, and rsNo. 4 ) and to the GHR gene in 1 site (decrease in rsNo. 6). They were four haplotypes in gene of IGF-1R as "TGC", "CGCT", "TA", and " CA", one haplotype in IGFBP-3 as "TA", and one haplotype in JAK2 as "CTG", which revealed high significance for risks of affecting ISS. At last, multivariate logistic regression analysis of specific site rsNo. 6 of the GHR gene revealed that the serum IGF-1 was related to genotypes AA and AC, with genotype CC as the reference ( P =0. 015). Conclusion Genetic variances in six genes within the GH/IGF-1 axis may be important etiological factors for ISS in the Chinese Han population. 展开更多
关键词 association analysis growth hormone (GH)/insulin-like growth factor-1 1gf1 axis idiopathic short stature polymorphism
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