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The Relationship Between Gene Polymorphism of Leptin and Leptin Receptor and Growth Hormone Deficiency.


ABSTRACT: BACKGROUND Growth hormone deficiency (GHD) is a major cause of congenital short stature. GHD patients have significantly decreased serum leptin levels, which are regulated by gene polymorphism of leptin and leptin receptor. This study thus investigated the relationship between gene polymorphism and susceptibility to GHD. MATERIAL AND METHODS A case-control study was performed using 180 GHD children in addition to 160 healthy controls. After the extraction of whole genomic DNA, the genotypes of leptin and leptin receptor gene loci were analyzed by sequencing for single-nucleotide polymorphism. RESULTS The frequency distribution of all alleles identified in leptin gene (loci rs7799039) and leptin receptor gene (loci rs1137100 and rs1137101) fit Hardy-Weinberg equilibrium. There was a significant difference in allele frequency at loci rs7799039 or rs1137101, as individuals with heterozygous GA allele had lower (rs7799039) or higher (rs1137101) GHD risk. No significant difference in allele frequency was discovered at loci rs1137100 (p>0.05), which was unrelated to GHD susceptibility. CONCLUSIONS Gene polymorphism of leptin (loci rs7799039) and leptin receptor (loci rs1137101) are correlated with GHD susceptibility.

SUBMITTER: He J 

PROVIDER: S-EPMC4771093 | biostudies-literature | 2016 Feb

REPOSITORIES: biostudies-literature

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The Relationship Between Gene Polymorphism of Leptin and Leptin Receptor and Growth Hormone Deficiency.

He Jinshui J   Fang Yanling Y   Lin Xinfu X   Zhou Huowang H   Zhu Shaobo S   Zhang Yugui Y   Yang Huicong H   Ye Xiaoling X  

Medical science monitor : international medical journal of experimental and clinical research 20160226


BACKGROUND Growth hormone deficiency (GHD) is a major cause of congenital short stature. GHD patients have significantly decreased serum leptin levels, which are regulated by gene polymorphism of leptin and leptin receptor. This study thus investigated the relationship between gene polymorphism and susceptibility to GHD. MATERIAL AND METHODS A case-control study was performed using 180 GHD children in addition to 160 healthy controls. After the extraction of whole genomic DNA, the genotypes of l  ...[more]

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