Detection of polymorphisms at cytosine phosphoguanadine dinucleotides and diagnosis of haemophilia B carriers

The polymerase chain reaction procedure (PCR) was used to detect a polymorphic Hha I site adjacent to the factor IX locus in a panel of 33 phenotypically normal caucasian individuals. This technique was also applied to a haemophilia B family pedigree. The Hha I polymorphic site was located 8 kb 3�...

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Veröffentlicht in:The Lancet (British edition) 1989-03, Vol.1 (8639), p.631-634
Hauptverfasser: WINSHIP, P. R, REES, D. J. G, ALKAN, M
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REES, D. J. G
ALKAN, M
description The polymerase chain reaction procedure (PCR) was used to detect a polymorphic Hha I site adjacent to the factor IX locus in a panel of 33 phenotypically normal caucasian individuals. This technique was also applied to a haemophilia B family pedigree. The Hha I polymorphic site was located 8 kb 3' to the factor IX gene, and the proportion of female subjects expected to be heterozygous at this site was 0.48. The Hha I locus was in linkage equilibrium with the other polymorphic loci on the factor IX gene. These findings, besides increasing the proportion of caucasian individuals whose haemophilia B carrier state can be diagnosed from 79% to 89%, demonstrate this widely applicable use of PCR for the detection of DNA polymorphism at cytosine phosphoguanadine dinucleotides irrespective of the methylation status.
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These findings, besides increasing the proportion of caucasian individuals whose haemophilia B carrier state can be diagnosed from 79% to 89%, demonstrate this widely applicable use of PCR for the detection of DNA polymorphism at cytosine phosphoguanadine dinucleotides irrespective of the methylation status.</description><identifier>ISSN: 0140-6736</identifier><identifier>EISSN: 1474-547X</identifier><identifier>PMID: 2564457</identifier><identifier>CODEN: LANCAO</identifier><language>eng</language><publisher>London: Lancet</publisher><subject>Alleles ; Base Sequence ; Biological and medical sciences ; Dinucleoside Phosphates - genetics ; DNA-Directed DNA Polymerase ; Factor IX - analysis ; Factor IX - genetics ; Genetic Carrier Screening ; Genetic Linkage ; Genetic Markers ; Genotype ; Haplotypes ; Hematologic and hematopoietic diseases ; Hemophilia B - genetics ; Humans ; Medical sciences ; Molecular Sequence Data ; Pedigree ; Platelet diseases and coagulopathies ; Polymorphism, Genetic ; Polymorphism, Restriction Fragment Length ; Recombination, Genetic</subject><ispartof>The Lancet (British edition), 1989-03, Vol.1 (8639), p.631-634</ispartof><rights>1991 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&amp;idt=19346807$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/2564457$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>WINSHIP, P. 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source MEDLINE; Elsevier ScienceDirect Journals Complete
subjects Alleles
Base Sequence
Biological and medical sciences
Dinucleoside Phosphates - genetics
DNA-Directed DNA Polymerase
Factor IX - analysis
Factor IX - genetics
Genetic Carrier Screening
Genetic Linkage
Genetic Markers
Genotype
Haplotypes
Hematologic and hematopoietic diseases
Hemophilia B - genetics
Humans
Medical sciences
Molecular Sequence Data
Pedigree
Platelet diseases and coagulopathies
Polymorphism, Genetic
Polymorphism, Restriction Fragment Length
Recombination, Genetic
title Detection of polymorphisms at cytosine phosphoguanadine dinucleotides and diagnosis of haemophilia B carriers
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