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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
6
pubmed:dateCreated
2002-4-3
pubmed:abstractText
Inflammatory bowel diseases (IBD) representing both Crohn's disease and ulcerative colitis are characterized by chronic activation of macrophages. Natural resistance-associated macrophage protein 1 (NRAMP1) gene regulates macrophage activation of antimicrobial activity and has many pleiotropic effects on macrophage functions. To explore the role of the NRAMP1 gene in IBD susceptibility, we examined the promoter sequence of the NRAMP1 gene whose polymorphisms have been reported to influence the transcriptional activity of the NRAMP1 gene. One novel allele (allele 7) and two previously reported alleles (alleles 2 and 3) have been determined in a Japanese population. We investigated the association of IBD with these three alleles. The allele frequency of allele 7 was significantly higher in patients with Crohn's disease (11.1%) and ulcerative colitis (11.2%) than those in the healthy control group (4.5%) (Pc=0.015, Pc=0.018, respectively). Therefore, our findings suggest that the novel promoter polymorphism of the NRAMP1 gene may influence susceptibility to IBD in the Japanese population.
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
58
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
379-84
pubmed:dateRevised
2008-11-21
pubmed:meshHeading
pubmed:year
2001
pubmed:articleTitle
Inflammatory bowel disease is associated with a novel promoter polymorphism of natural resistance-associated macrophage protein 1 (NRAMP1) gene.
pubmed:affiliation
Department of Gastroenterology, Tohoku University Graduate School of Medicine, 1-1 Seiryo-machi, Aoba-ku, Sendai 980-8574, Japan. koji-68@qk9.so-net.ne.jp
pubmed:publicationType
Journal Article