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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
6
pubmed:dateCreated
2000-2-25
pubmed:abstractText
The tumor necrosis factor receptor 2 (TNF-RII, CD120b, TNF-R p75/80) gene has recently been characterised. It is located on chromosome 1p362 and consists of 10 exons and 9 introns A number of biallelic polymorphisms have been found in exons 4, 6, 9 and 10 based on differences between published sequences. In this study we have used polymerase chain reaction methodology in association with sequence-specific primers (PCR-SSP) incorporating mismatches at the 3' end to identify these polymorphisms. We were able to confirm the presence of a single biallelic polymorphism in exon 6 corresponding to a (T/G) at nucleotide 676 of TNF-RII mRNA (gb:M32315) which results in an amino acid change and three biallelic polymorphisms in exon 10 (in the3'UTR) corresponding to (A/G) at nucleotide 1663, (T/G) at nucleotide 1668 and a (C/T) at nucleotide 1690 of gb:M32315, whereas no polymorphisms were observed in exons 4 and 9. Here we report that in 192 unrelated UK Caucasian individuals the allele frequencies determined by direct counting were: 676-T (0.77), 1663-G (0.51), 1668-T (0.95), and 1690-T (0.64) and the calculated gene frequencies were; 676-T (0.52), 676-G (0.12); 1663-G (0.30), 1663-A (0.28); 1668-T (0.77), 1668-G (0.025); and 1690-T (0.40), 1690-C (0.20). Furthermore, the presence of an A allele at nucleotide position 1663 was found to be strongly associated with the presence of a C allele at nucleotide position 1690 and a G allele at nucleotide position 1668 whereas the presence of a G allele at position 1663 was associated with the absence of a C allele at nucleotide position 1690.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Dec
pubmed:issn
0001-2815
pubmed:author
pubmed:issnType
Print
pubmed:volume
54
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
585-91
pubmed:dateRevised
2006-11-15
pubmed:meshHeading
pubmed:year
1999
pubmed:articleTitle
Polymorphic analysis of the high-affinity tumor necrosis factor receptor 2.
pubmed:affiliation
Department of Occupational and Environmental Medicine, Imperial College of Science, Technology and Medicine, National Heart and Lung Institute, London, United Kingdom.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't