Chemiluminescent detection of blotted PCR products (CB-PCR) of two CAG dynamic mutations (Huntington's disease and spinocerebellar ataxia type 1)

Sergi Castellví-Bel, Toni Matilla, Maria Isabel Banchs, Helena Kruyer, Jordi Corral, Montserrat Milà, Xavier P. Estivill

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Abstract

We have used a non-isotopic PCR assay based on the chemiluminescent detection of blotted PCR products (CB-PCR) for two dynamic mutation diseases (Huntington's disease and spinocerebellar ataxia type 1). This gives an accurate sizing of alleles and permits a rapid analysis of at risk persons. The system involves PCR of the samples, separation of alleles on polyacrylamide gels, Southern blotting, and hybridisation with specific primers 3' labelled with fluorescein (Fl)-dUTP as probes. CB-PCR retains the isotopic sensitivity for accurate allele determination, avoids isotopic manipulation, and provides the advantages of safety, long term storage of probes, and recycling of hybridisation solutions.

Original languageEnglish
Pages (from-to)654-655
Number of pages2
JournalJournal of Medical Genetics
Volume31
Issue number8
Publication statusPublished - Aug 1994
Externally publishedYes

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ASJC Scopus subject areas

  • Genetics
  • Genetics(clinical)

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