High incidence of cystic fibrosis on the Faroe Islands: a molecular and genealogical study

Marianne Schwartz, Nicolina Sørensen, Niels Jacob Brandt, Estrid Høgdall, Turid Holm

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41 Citations (Scopus)

Abstract

We have studied the genetics of cystic fibrosis (CF) in The Faroe Islands. Based on the number of affected children born during the period 1954-1993, the incidence of CF at birth is 1:1775, which is more than twice the incidence in the rest of Denmark. We have tested all known CF patients and/or their parents for the presence of delta F508 and found it to be the only CF mutation in this population. Based on testing 881 unrelated control individuals, the carrier frequency was estimated to be 1:24, given a calculated incidence of 1:2300. Genealogical studies enabled us to trace several of the families over seven generations. Haplotype investigations within the families suggest that delta F508 was introduced by two founders, probably from the Celtic population in Brittany, Ireland, Wales or the North West of Scotland.
Original languageEnglish
Pages (from-to)703-706
Number of pages4
JournalHuman Genetics
Volume95
Issue number6
Publication statusPublished - Jun 1995
Externally publishedYes

Keywords

  • cystic fibrosis
  • Faroe Islands
  • genetics

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