Wadsworth, CA;
Dixon, PH;
Taylor-Robinson, S;
Kim, JU;
Zabron, AA;
Wong, JH;
Chapman, MH;
... Khan, SA; + view all
(2019)
Polymorphisms in Natural Killer Cell Receptor Protein 2D (NKG2D) as a Risk Factor for Cholangiocarcinoma.
Journal of Clinical and Experimental Hepatology
, 9
(2)
pp. 171-175.
10.1016/j.jceh.2018.06.521.
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Abstract
Background and aims: Understanding of the significant genetic risk factors for Cholangiocarcinoma (CC) remains limited. Polymorphisms in the natural killer cell receptor G2D (NKG2D) gene have been shown to increase risk of CC transformation in patients with Primary Sclerosing Cholangitis (PSC). We present a validation study of NKG2D polymorphisms in CC patients without PSC. Methods: Seven common Single Nucleotide Polymorphisms (SNPs) of the NKG2D gene were genotyped in 164 non-PSC related CC subjects and 257 controls with HaploView. The two SNPs that were positively identified in the previous Scandinavian study, rs11053781 and rs2617167, were included. Results: The seven genotyped SNPs were not associated with risk of CC. Furthermore, haplotype analysis revealed that there was no evidence to suggest that any haplotype differs in frequency between cases and controls (P > 0.1). Conclusion: The common genetic variation in NKG2D does not correlate significantly with sporadic CC risk. This is in contrast to the previous positive findings in the Scandinavian study with PSC-patients. The failure to reproduce the association may reflect an important difference between the pathogenesis of sporadic CC and that of PSC-related CC. Given that genetic susceptibility is likely to be multifaceted and complex, further validation studies that include both sporadic and PSC-related CC are required.
| Type: | Article |
|---|---|
| Title: | Polymorphisms in Natural Killer Cell Receptor Protein 2D (NKG2D) as a Risk Factor for Cholangiocarcinoma |
| Location: | India |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1016/j.jceh.2018.06.521 |
| Publisher version: | https://doi.org/10.1016/j.jceh.2018.06.521 |
| Language: | English |
| Additional information: | This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions. |
| Keywords: | CC, cholangiocarcinoma, GWAS, genome wide association study, NK, natural killer, NKG2D, NKG2D, natural killer cell receptor protein G2D, PSC, primary sclerosing cholangitis, SNP, single nucleotide polymorphism, cholangiocarcinoma, genetic, risk factor |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Medical Sciences UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Medical Sciences > Div of Medicine UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Medical Sciences > Div of Medicine > Inst for Liver and Digestive Hlth |
| URI: | https://discovery.ucl.ac.uk/id/eprint/10073989 |
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