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Effects of ADAMTS14 genetic polymorphism and cigarette smoking on the clinicopathologic development of hepatocellular carcinoma.

Effects of ADAMTS14 genetic polymorphism and cigarette smoking on the clinicopathologic development of hepatocellular carcinoma.
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Sheu MJ, Hsieh MJ, Chou YE, Wang PH, Yeh CB, Yang SF, Lee HL, Liu YF,


Sheu MJ, Hsieh MJ, Chou YE, Wang PH, Yeh CB, Yang SF, Lee HL, Liu YF, (click to view)

Sheu MJ, Hsieh MJ, Chou YE, Wang PH, Yeh CB, Yang SF, Lee HL, Liu YF,

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PloS one 2017 02 2312(2) e0172506 doi 10.1371/journal.pone.0172506
Abstract
BACKGROUND
ADAMTS14 is a member of the ADAMTS (a disintegrin and metalloproteinase with thrombospondin motifs), which are proteolytic enzymes with a variety of further ancillary domain in the C-terminal region for substrate specificity and enzyme localization via extracellular matrix association. However, whether ADAMTS14 genetic variants play a role in hepatocellular carcinoma (HCC) susceptibility remains unknown.

METHODOLOGY/PRINCIPAL FINDINGS
Four non-synonymous single-nucleotide polymorphisms (nsSNPs) of the ADAMTS14 gene were examined from 680 controls and 340 patients with HCC. Among 141 HCC patients with smoking behaviour, we found significant associations of the rs12774070 (CC+AA vs CC) and rs61573157 (CT+TT vs CC) variants with a clinical stage of HCC (OR: 2.500 and 2.767; 95% CI: 1.148-5.446 and 1.096-6.483; P = 0.019 and 0.026, respectively) and tumour size (OR: 2.387 and 2.659; 95% CI: 1.098-5.188 and 1.055-6.704; P = 0.026 and 0.034, respectively), but not with lymph node metastasis or other clinical statuses. Moreover, an additional integrated in silico analysis proposed that rs12774070 and rs61573157 affected essential post-translation O-glycosylation site within the 3rd thrombospondin type 1 repeat and a novel proline-rich region embedded within the C-terminal extension, respectively.

CONCLUSIONS
Taken together, our results suggest an involvement of ADAMTS14 SNP rs12774070 and rs61573157 in the liver tumorigenesis and implicate the ADAMTS14 gene polymorphism as a predict factor during the progression of HCC.

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