The major cystic fibrosis mutation in a British population

摘要

We have studied 72 families with at least one child with cystic fibrosis (CF); they were referred because they had requested pre-natal diagnosis in a future pregnancy. The ΔF508 mutation was found in 108/140 CF chromosomes (77). In 41/72 families (57), both parents carried a deleted chromosome and the child was doubly deleted. In only 4 families, 2 of them being consanguineous, did neither parent carry a deleted chromosome. Meconium ileus was associated with children who were ΔF508/ΔF508, ΔF508/non-deleted and non-deleted/ non-dele