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In the search for mutations in the cystic fibrosis gene in patients from the Mediterranean area, we have analysed exons 4, 9, 10, 19, and 21 by the single-strand conformation polymorphism (SSCP) technique in 50 patients with at least one non-delta F508 chromosome. Ten samples demonstrated a shifted band, four in exon 19 and six in exon 21. Sequencing of the… (More)
The polymerase chain reaction is a new powerful method for in vitro cloning of specific regions of DNA. The use of the heat-stable DNA polymerase made the reaction amenable to automation. This method greatly facilitates the detection of mutations which are responsible for Duchenne muscular dystrophy, via DNA amplification of multiple deletions prone exons… (More)
The highly specific polymerase chain reaction recently described can be used to amplify selectively several polymorphic regions of DNA genetically close to the cystic fibrosis gene. This method, providing automated, revolutionizes the classical methods of prenatal diagnosis and carrier detection.
Samples from 30 members of a french cystic fibrosis (CF) family had to be typed with probes for restriction fragment length polymorphisms (RFLPs) known to be linked to the CF gene, to fulfill the expectations of twenty-two low-risk relatives who were asking for carrier testing. Classical linkage-disequilibrium data between KM-19 and XV-2c polymorphisms and… (More)