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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
6
pubmed:dateCreated
2001-1-29
pubmed:abstractText
Intron 40 of the human von Willebrand factor (vWF) gene contains a polymorphic region with three variable-number tandem repeats (VNTRs), type (ATCT)n. In the present report, we evaluated the allelic frequencies of these three VNTRs in a population constituted by 51 Brazilian Caucasian and 25 Types 1, 2, and 3 von Willebrand disease (vWD) patients, and performed segregation analysis in eight families affected by vWD Types 1 and 2. Three pairs of primers were used to amplify independently nucleotides 1640-1794 (VNTR 3), 1890-1991 (VNTR 1), and 2215-2396 (VNTR 2) from intron 40. The observed heterozygosities (0.86, 0.66, and 0.66 for VNTRs 3, 1, and 2, respectively) were in accordance with the expected heterozygosities derived from the allele frequencies (0.81, 0.64, and 0.70, respectively). Although the three VNTRs were highly polymorphic, VNTR 3 showed the highest values of heterozygosity [Haemostasis 25 (1995) 264; Hum. Mol. Genet. 1 (1992) 287.].
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Dec
pubmed:issn
0049-3848
pubmed:author
pubmed:issnType
Print
pubmed:day
15
pubmed:volume
100
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
489-94
pubmed:dateRevised
2009-11-19
pubmed:meshHeading
pubmed:year
2000
pubmed:articleTitle
Allelic frequencies of three VNTRs in intron 40 of the human von Willebrand factor gene in types 1, 2, and 3 von Willebrand disease patients and controls of a Brazilian population.
pubmed:affiliation
Department of Pharmacology, Faculty of Medical Sciences, Universidade Estadual de Campinas (UNICAMP), São Paulo, Campinas, Brazil.
pubmed:publicationType
Journal Article, Comparative Study, Research Support, Non-U.S. Gov't