Polymorphisms in the apoptosis-associated genes FAS and FASL and risk of oral cancer and malignant potential of oral premalignant lesions in a Taiwanese population
Copyright policy )Polymorphisms in the apoptosis-associated genes FAS and FASL and risk of oral cancer and malignant potential of oral premalignant lesions in a Taiwanese population
Our aim was to measure the relationship of FAS (-1377G>A and -670A>G), FASL (-844C>T) gene variants and risk of oral cancer.Polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) analysis was used to determine the FAS and FASL polymorphisms in 294 oral squamous cell carcinoma (OSCC), 53 oral submucous fibrosis (OSF), and 84 oral leukoplakia (OL) patients, as well as in 333 healthy controls. A standardized questionnaire was applied to collect demographic data, and potential confounding factors. JMP statistical software was used to analyze the association.FAS and FASL polymorphisms were not correlated with OSCC development or the malignant potential of OL by simple and multivariate logistic regression. However, a two- to fourfold difference in the risks of betel quid chewing, alcohol consumption, and smoking on OSCC development were observed between participants with different FAS polymorphisms. FAS polymorphisms were significantly correlated with the malignant potential of OSF. Multivariate logistic regression analysis indicated that FAS A(-1377)-G(-670) vs. G(-1377)-A(-670) haplotype (OR = 2.26, 95% CI = 1.16-4.41) was correlated with the malignant potential of OSF.We suggest that FAS and FASL polymorphisms are not significantly correlated with OSCC development or malignant potential of OL. The impact of substance usage on OSCC development could be differentiated by FAS polymorphisms. FAS A(-1377)-G(-670) haplotype may play a role in the malignant potential of OSF.
Male, Adenosine, Fas Ligand Protein, Guanine, Alcohol Drinking, Genetic Variation, Apoptosis, Oral Submucous Fibrosis, Middle Aged, Polymerase Chain Reaction, Polymorphism, Single Nucleotide, Cytosine, Haplotypes, Carcinoma, Squamous Cell, Humans, Female, Mouth Neoplasms, Leukoplakia, Oral, Areca, Polymorphism, Restriction Fragment Length
Male, Adenosine, Fas Ligand Protein, Guanine, Alcohol Drinking, Genetic Variation, Apoptosis, Oral Submucous Fibrosis, Middle Aged, Polymerase Chain Reaction, Polymorphism, Single Nucleotide, Cytosine, Haplotypes, Carcinoma, Squamous Cell, Humans, Female, Mouth Neoplasms, Leukoplakia, Oral, Areca, Polymorphism, Restriction Fragment Length
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