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http://purl.uniprot.org/citations/18715515http://www.w3.org/1999/02/22-rdf-syntax-ns#typehttp://purl.uniprot.org/core/Journal_Citation
http://purl.uniprot.org/citations/18715515http://www.w3.org/2000/01/rdf-schema#comment"

Background

Numerous papers have addressed the association of mutations and polymorphisms of susceptibility genes with autoimmune inflammatory disorders. We investigated whether polymorphisms that confer susceptibility to Crohn's disease could be classified also as predisposing factors for the development of primary sclerosing cholangitis and primary biliary cirrhosis in Polish patients.

Methods

The study included 60 patients with CD, 77 patients with PSC, of which 61 exhibited IBD (40 UC, 8 CD, and 13 indeterminate colitis), and 144 patients with PBC. All the patients were screened against Crohn's disease associating genetic polymorphisms. The polymorphisms were chosen according to previously confirmed evidence for association with Crohn's disease, including Pro268Ser, Arg702Trp, Gly908Arg and 1007fs in NOD2/CARD15, Leu503Phe/-207G>C in SLC22A4/OCTN1/SLC22A5/OCTN2, Arg30Gln in DLG5, Thr300Ala in ATG16L1, and Arg381Gln, His3Gln and exon-3'UTR in IL23R. Genotyping was carried out using TaqMan SNP genotyping assays.

Results

We confirmed a strong association between three NOD2/CARD15 gene variants (Pro268Ser, OR = 2.52, 95% CI = 1.34-4.75); (Arg702Trp, OR = 6.65, 95% CI = 1.99-22.17); (1007fs, OR = 9.59, 95% CI = 3.94-23.29), and a weak association between both the protective OCTN1/OCTN2 CC haplotype (OR = 0.28, 95% CI = 0.08-0.94), and a variant of ATG16L1 gene (Thr300Ala, OR = 0.468, 95% CI = 0.24-0.90) with Crohn's disease. In contrast, none of the polymorphisms exhibited association with susceptibility to primary sclerosing cholangitis and primary biliary cirrhosis, including a group of primary sclerosing cholangitis patients with concurrent IBD.

Conclusion

Although the clinical data indicate non-random co-occurrence of inflammatory bowel disease and primary sclerosing cholangitis, consistently with the previously published studies, no genetic association was found between the genetic variants predisposing to Crohn's disease and hepatobiliary autoimmune disorders. However, since estimation of genetic variant disproportion is limited by sample size, these negative results may also indicate that eventually shared genetic predispositions are too little to be captured by small patient groups."xsd:string
http://purl.uniprot.org/citations/18715515http://purl.org/dc/terms/identifier"doi:10.1186/1471-2350-9-81"xsd:string
http://purl.uniprot.org/citations/18715515http://purl.uniprot.org/core/author"Ostrowski J."xsd:string
http://purl.uniprot.org/citations/18715515http://purl.uniprot.org/core/author"Mikula M."xsd:string
http://purl.uniprot.org/citations/18715515http://purl.uniprot.org/core/author"Gaj P."xsd:string
http://purl.uniprot.org/citations/18715515http://purl.uniprot.org/core/author"Habior A."xsd:string
http://purl.uniprot.org/citations/18715515http://purl.uniprot.org/core/date"2008"xsd:gYear
http://purl.uniprot.org/citations/18715515http://purl.uniprot.org/core/name"BMC Med Genet"xsd:string
http://purl.uniprot.org/citations/18715515http://purl.uniprot.org/core/pages"81"xsd:string
http://purl.uniprot.org/citations/18715515http://purl.uniprot.org/core/title"Lack of evidence for association of primary sclerosing cholangitis and primary biliary cirrhosis with risk alleles for Crohn's disease in Polish patients."xsd:string
http://purl.uniprot.org/citations/18715515http://purl.uniprot.org/core/volume"9"xsd:string
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