Abstract:
:The aim of this study was to estimate the relations between hypoxia inducible factor-1alpha (HIF-1alpha) gene polymorphisms, C1772T and G1790A, to the susceptibility and clinicopathological status of oral cancer. A total of 521 subjects, including 347 controls and 174 oral cancer patients, were recruited in this study and subjected to polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) to analyze the impact of these two polymorphic variants on oral cancer. A significant association between oral cancer susceptibility and G1790A polymorphism was demonstrated since individuals with heterozygotes, that is GA, had a higher risk for oral cancer, compared to GG genotypes after adjusting for other confounders (AOR=3.31; 95%CI=1.27-8.61). Compared to individuals with both C1772C and G1790G homozygotes, individuals with at least one of either C1772T or G1790A of HIF-1alpha gene had a risk of 2.17-folds (95% CI=1.0-4.75) to develop oral cancer. Moreover, results also revealed the presence of synergistic effect between gene polymorphisms of HIF-1alpha and environmental risk factors, such as tobacco and betel nut consumptions while there was no significant association between HIF-1alpha gene polymorphism and clinicopathological parameters of oral cancer. Genetic polymorphism, including C1772T and G1790A, of HIF-1alpha is an important factor for the susceptibility to oral cancer.
journal_name
Oral Oncoljournal_title
Oral oncologyauthors
Chen MK,Chiou HL,Su SC,Chung TT,Tseng HC,Tsai HT,Yang SFdoi
10.1016/j.oraloncology.2009.07.015subject
Has Abstractpub_date
2009-12-01 00:00:00pages
e222-6issue
12eissn
1368-8375issn
1879-0593pii
S1368-8375(09)00875-6journal_volume
45pub_type
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