Abstract:
OBJECTIVES:Angiotensin I-converting enzyme (ACE), a type I cell surface zinc metallopeptidase, is differentially expressed in several malignancies and plays a role in tumor cell proliferation, tumor cell migration, angiogenesis, and metastatic behavior. We aimed to investigate the effects of ACE gene (rs1799752) variants on oral cancer risk. MATERIALS AND METHODS:Polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) 32 was used to measure ACE gene polymorphisms in 88 patients with oral precancerous lesion (OPL), 186 33 patients with oral cancer, and 120 control subjects without any oral lesions. All study subjects were male 34 betel quid chewers. RESULTS:Patients with oral cancer or OPL had a higher frequency of the DD genotype than the control patients did. Oral cancer patients with the DD genotype had a significantly higher prevalence of lymph node metastases than patients with the II/ID genotype did. After adjusting for age, smoking, drinking, and betel quid chewing status, we found that individuals with the DD genotype of the ACE gene had a 5.46-fold and 3.13-fold higher risk of developing oral cancer or OPL, respectively, than those with the II genotype did. Furthermore, oral cancer patients with the DD genotype of the ACE gene had a 2.16-fold higher likelihood of lymph node metastasis. CONCLUSION:Our data suggest that the ACE gene polymorphisms may be associated with increased susceptibility to OPL and oral cancer and lymph node metastasis from oral cancer.
journal_name
Oral Oncoljournal_title
Oral oncologyauthors
Liu YT,Lin LW,Chen CY,Wang CP,Liu HP,Houng JY,Chung FM,Shieh TYdoi
10.1016/j.oraloncology.2012.06.003subject
Has Abstractpub_date
2012-12-01 00:00:00pages
1257-62issue
12eissn
1368-8375issn
1879-0593pii
S1368-8375(12)00199-6journal_volume
48pub_type
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