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Cystic fibrosis mutation analysis: Report from 22 U.K. regional genetics laboratories

Schwarz, Martin J., Malone, Geraldine M., Haworth, Andrea, Cheadle, Jeremy Peter, Meredith, Alison Linda, Gardner, Anne, Sawyer, I. Hilary, Connarty, Margaret, Dennis, Nick, Seller, Anneke, Harris, Ann, Taylor, Rohan, Dear, Simon, Middleton-Price, Helen, McMahon, Cathie, Mayall, Ed, McMahon, Rob, Barton, David E., Giles, Martin, Lindley, Victoria, Plaha, Davinder S., Price, Susan, Sharif, Abid, Cross, Gareth S., Dalton, Ann, Taylor, Graham, Wallace, Andrew, Tassabehji, Mayada, Whittaker, Joanne L., Butler, Rachel, Curtis, Ann, Pinkett, Ros, Gilfillan, Annette J., Brock, David J. H., Higgins, G. Scott, Lanyon, George, Miedzybrodzka, Zosia, Davidson, Mark, Graham, Colin A. and Hill, Alison J. M. 1995. Cystic fibrosis mutation analysis: Report from 22 U.K. regional genetics laboratories. Human Mutation 6 (4) , pp. 326-333. 10.1002/humu.1380060406

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Abstract

We have collated the results of cystic fibrosis (CF) mutation analysis conducted in 22 laboratories in the United Kingdom. A total of 9,807 CF chromosomes have been analysed, demonstrating 56 different mutations so far observed and accounting for 86% of CF genes in the native Caucasian population of the United Kingdom. ΔF508 is the most common at 753% of CF mutations (range 56.5–83.7%), followed by G551D (3.08%; range 0.71–7.60%), G542X (1.68%; range 0.85–3.66%), 621 + 1 (G>T) (0.93%; range 0.41–3.16%), 1717-1(G>A) (0.57%; range 0.17-1.14%), 1898+ 1)(G>A) (0.46%), R117H (0.46%), N1303K (0.46%), and R553X (0.46%). The data show a clear geographical variation in the distribution of some of the mutations, most notably a marked regional variation in the distribution of 621 + 1 (G>T)and 1989+ 1(G>A), which are both apparently more frequent in Wales. R560T and R117H appear to be more frequent in Ireland and Scotland, and G551D more frequent in Scotland. In summary, these data illustrate that the mutations present within a particular population need to be defined in order to provide meaningful carrier screening and testing for rare mutations in affected individuals. Furthermore, it is apparent that the ethnic origin of a patient, even within a small country such as the United Kingdom, should be taken into account. © 1995 Wiley-Liss, Inc.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Medicine
Neuroscience and Mental Health Research Institute (NMHRI)
Subjects: R Medicine > R Medicine (General)
Uncontrolled Keywords: Cystic fibrosis; Geographical variation; Mutations
Publisher: Wiley-Blackwell
ISSN: 1059-7794
Last Modified: 15 Dec 2017 11:00
URI: http://orca.cf.ac.uk/id/eprint/61205

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