Genetic variation in the hepatocyte nuclear factor (HNF)-3α gene does not contribute to maturity-onset diabetes of the young in Japanese

L. Yu, Q. Wei, L. Jin, H. Nishigori, T. Nishigori, H. Tomura, J. Fujita, Y. Yamada, Y. Seino, Jun Takeda

研究成果: Article査読

5 被引用数 (Scopus)

抄録

Heterozygous mutations in the genes encoding transcription factors in the hepatocyte nuclear factor (HNF) cascade are associated with maturity-onset diabetes of the young (MODY), a monogenic form of diabetes mellitus. However, these genes are responsible for only ∼20% of the cases of MODY in Japanese patients. Searching for a novel MODY gene in this population, we investigated a candidate for encoding the forkhead transcription factor HNF-3α, which also belongs to the HNF-transcription cascade. The human HNF-3α gene, which was assigned to the segment near microsatellites D14S75 and AFM200ZH4 on chromosome 14 by radiation hybrid mapping, spans ∼5 kb and consists of two exons. Ninety-five Japanese subjects with MODY/early-onset non-ketotic diabetes were screened for mutations in this gene. Direct sequencing of the exons and flanking regions identified one missense mutation (Ala-83-Thr) in exon 2 and three nucleotide alterations in the non-coding regions. However, their frequencies were not significantly different between MODY and control subjects, indicating that mutations in the HNF-3α gene are not a major cause of MODY in Japanese patients.

本文言語English
ページ(範囲)163-166
ページ数4
ジャーナルHormone and Metabolic Research
33
3
DOI
出版ステータスPublished - 2001

ASJC Scopus subject areas

  • Endocrinology, Diabetes and Metabolism
  • Biochemistry
  • Endocrinology
  • Clinical Biochemistry
  • Biochemistry, medical

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