A simple assay for the screening of the cystic fibrosis allele in carriers of the Phe508 deletion mutation

G. L. Chong, Stephen N Thibodeau

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

With the recent identification of the cystic fibrosis gene and the elucidation of one of the major mutations responsible for the disease, it is now possible to screen directly for carriers of this particular mutation at the DNA level. The mutation that accounts for approximately 70% of the affected population in North America has been identified as a deletion of a phenylalanine residue at position 508 of the deduced amino acid sequence of the putative protein. We describe herein a method for screening carriers of this mutation which makes use of the polymerase chain reaction and direct viewing of the mutation by staining with ethidium bromide after electrophoresis of the polymerase chain reaction products on a polyacrylamide gel. This quick and sensitive method avoids the need for hybridization assays and the hazard associated with isotopically labeled probes.

Original languageEnglish (US)
Pages (from-to)1072-1076
Number of pages5
JournalMayo Clinic Proceedings
Volume65
Issue number8
StatePublished - 1990

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Sequence Deletion
Cystic Fibrosis
Alleles
Mutation
Polymerase Chain Reaction
Ethidium
North America
Phenylalanine
Electrophoresis
Amino Acid Sequence
Staining and Labeling
DNA
Population
Genes
Proteins

ASJC Scopus subject areas

  • Medicine(all)

Cite this

A simple assay for the screening of the cystic fibrosis allele in carriers of the Phe508 deletion mutation. / Chong, G. L.; Thibodeau, Stephen N.

In: Mayo Clinic Proceedings, Vol. 65, No. 8, 1990, p. 1072-1076.

Research output: Contribution to journalArticle

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