Familial hyperinsulinism maps to chromosome 11 p14-15.1, 30 cM centromeric to the insulin gene

B. Glaser, K. C. Chiu, R. Anker, A. Nestorowicz, H. Landau, H. Ben-Bassat, Z. Shlomai, N. Kaiser, P. S. Thornton, C. A. Stanley, R. S. Spielman, K. Gogolin- Ewens, E. Cerasi, L. Baker, J. Rice, H. Donis-Keller, M. A. Permutt

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Abstract

Familial hyperinsulinism (HI) is the most common cause of persistent neonatal hyperinsulinaemic hypoglycemia. Linkage analysis in 15 families (12 Ashkenazi Jewish, 2 consanguineous Arab, 1 non-Jewish Caucasian) mapped HI to chromosome 11p14-15.1 (lod score = 9.5, θ = O at D11S921). Recombinants localized the disease locus to the 6.6 cM interval between D11S926 and D11S928. In Jewish families, association (p=0.003) with specific D11S921/D11S419 haplotypes suggested a founder effect. This locus, which is important for normal glucose-regulated insulin secretion, represents a candidate gene for studies of other diseases of β-cell dysfunction including non-insulin-dependent diabetes mellitus (NIDDM).

Original languageEnglish
Pages (from-to)185-188
Number of pages4
JournalNature Genetics
Volume7
Issue number2
StatePublished - Jun 1994

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