Characterization of GH-1 Mutations in Children with Isolated Growth Hormone Deficiency in the Turkish Population


ÇOKER A., Cetinkaya E., Dundar B., ŞIKLAR Z., Buyukgebiz A., ARMAN A.

JOURNAL OF PEDIATRIC ENDOCRINOLOGY & METABOLISM, cilt.22, ss.937-946, 2009 (SCI İndekslerine Giren Dergi) identifier identifier identifier

  • Cilt numarası: 22 Konu: 10
  • Basım Tarihi: 2009
  • Doi Numarası: 10.1515/jpem.2009.22.10.937
  • Dergi Adı: JOURNAL OF PEDIATRIC ENDOCRINOLOGY & METABOLISM
  • Sayfa Sayıları: ss.937-946

Özet

Isolated growth hormone deficiency (IGHD) is defined as a medical condition associated with growth failure due to insufficient production of growth hormone (GH) or lack of growth hormone action. It occurs with an incidence of between 1/4,000 and 1/10,000 live births. Most cases are sporadic and idiopathic but 5-30% of growth hormone deficiency (GHD) has genetic etiology. Mutations in the GH encoding gene (GH-1) have been detected in patients with IGHD. The purpose of this study was to characterize mutations of the GH-1 gene in children with IGHD in the Turkish population. We found four missense mutations (E33G, N47D, T-24A and A13S), one nonsense mutation (W-7X), one insertion and two deletions in nine patients out of seventy-five patients with IGHD. The missense mutation A13S, GAAA insertion at intron 1 (+178A), and the deletions of +83C in intron I and Delta F166 in exon 5 are novel mutations.