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Genet Med. 2002 Mar-Apr;4(2):90-4.

Updated assessment of cystic fibrosis mutation frequencies in non-Hispanic Caucasians.

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  • 1Foundation for Blood Research, Scarborough, Maine 04074-0190, USA.



To update estimates of individual and cumulative cystic fibrosis (CF) mutation frequencies in non-Hispanic Caucasians for the prenatal screening panel recommended by American College of Medical Genetics and to determine the impact on screening performance.


Two data sources were used. In the first (CF Genetic Analysis Consortium), our re-analysis was restricted to North American studies. In the second (CF Foundation National Patient Registry), we performed a new analysis restricted to individuals tested at eight Therapeutic Development Network sites.


The updated average cumulative proportion of mutations identified is 88.34% (higher than previously reported), indicating that 78% of high-risk couples (and affected fetuses) can potentially be identified.


Prenatal CF screening in U.S. non-Hispanic Caucasians is more effective than previously thought.

[PubMed - indexed for MEDLINE]
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