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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
6
pubmed:dateCreated
2000-8-11
pubmed:abstractText
Factor VII is a vitamin K-dependent coagulation protease essential for the initiation phase of normal hemostasis. The human factor VII gene (FVII, also known as F7) spans 13 kb and is located on chromosome 13, 2.8 kb upstream of the factor X gene. In the Greifswald FVII deficiency study the molecular basis for inherited factor VII was investigated. All exons, exon-intron boundaries and the promotor of the FVII gene were amplified by PCR and directly sequenced. 87 unrelated probands with reduced or low FVII activities were investigated. Thirty-four different FVII gene lesions were analyzed in 101 FVII alleles of 77 unrelated probands. Twenty-two of these FVII gene lesions are novel FVII variations. The 34 different lesions comprise 31 point mutations and three small deletions. A transition in the CpG doublet accounted for 12 of the 34 different mutants. Sixteen mutations were noted only once. The missense mutation A294V and the double mutation A294V; 11128delC in exon 8 were by far the most common mutations found in this study. The haplotype of the different mutant FVII alleles were analyzed using six polymorphisms of the FVII gene. The haplotypes were identified in 29 mutant FVII alleles. Five different haplotypes are linked to the mutant FVII alleles. Except for one, the same haplotype was detected in FVII genes with an identical FVII gene mutation. Different haplotypes were identified in two patients with the mutant allele A206T. It is likely that identical mutant FVII alleles with the same haplotype share the same origin.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:issn
1059-7794
pubmed:author
pubmed:copyrightInfo
Copyright 2000 Wiley-Liss, Inc.
pubmed:issnType
Print
pubmed:volume
15
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
489-96
pubmed:dateRevised
2004-11-17
pubmed:meshHeading
pubmed-meshheading:10862079-Alleles, pubmed-meshheading:10862079-Chromosomes, Human, Pair 13, pubmed-meshheading:10862079-CpG Islands, pubmed-meshheading:10862079-DNA Mutational Analysis, pubmed-meshheading:10862079-Exons, pubmed-meshheading:10862079-Factor VII, pubmed-meshheading:10862079-Factor VII Deficiency, pubmed-meshheading:10862079-Family Health, pubmed-meshheading:10862079-Female, pubmed-meshheading:10862079-Gene Deletion, pubmed-meshheading:10862079-Genotype, pubmed-meshheading:10862079-Haplotypes, pubmed-meshheading:10862079-Humans, pubmed-meshheading:10862079-Introns, pubmed-meshheading:10862079-Male, pubmed-meshheading:10862079-Models, Genetic, pubmed-meshheading:10862079-Mutation, pubmed-meshheading:10862079-Mutation, Missense, pubmed-meshheading:10862079-Phenotype, pubmed-meshheading:10862079-Point Mutation, pubmed-meshheading:10862079-Polymerase Chain Reaction, pubmed-meshheading:10862079-Polymorphism, Genetic
pubmed:year
2000
pubmed:articleTitle
Twenty two novel mutations of the factor VII gene in factor VII deficiency.
pubmed:affiliation
Institute of Human Genetics, Ernst Moritz Arndt University-Greifswald, Greifswald, Germany. karwulff@mail.unigreifswald.de
pubmed:publicationType
Journal Article