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BACKGROUND We investigated the relationship of the immunohistochemical expression status of manganese superoxide dismutase (MnSOD), catalase, glutathione peroxidase (GPx), and myeloperoxidase (MPO) in buccal mucosal squamous cell carcinoma (SCC) with clinicopathologic parameters and prognosis. METHODS The expression status of MnSOD, GPx, catalase, and MPO(More)
BACKGROUND NAT2, the most important phase II metabolic enzyme for betel quid (BQ), might modify the risk of BQ-related oral and pharyngeal squamous cell carcinoma (OPSCC) in Taiwan. STUDY DESIGN PCR-RFLP and TaqMan assay were conducted for genotyping of NAT2 in 172 OPSCC cases and 170 healthy controls who habitually chewed BQ. RESULTS The genotypic and(More)
BACKGROUND The literature regarding interleukin (IL)-10 polymorphisms and coronary artery lesions (CALs) in Kawasaki disease (KD) is limited. We investigated whether 3 IL-10 genetic polymorphisms (-1082 A/G, -819 T/C, and -592 A/C) are associated with development of CALs in KD. METHODS AND RESULTS The genotyping of IL-10 polymorphisms was conducted for(More)
AIMS Oral squamous cell carcinoma (OSCC) is a common worldwide malignancy and there has been little improvement in survival rates in recent decades. Ovatodiolide, a diterpenoid from a Chinese herb, has been reported to exhibit cytotoxicity against several human cancer cell lines. In the present study, the mechanism of action of ovatodiolide was further(More)
BACKGROUND The purpose of this research was to evaluate the prognostic significance of clinicopathologic variables on the survival rate for squamous cell carcinoma of the buccal mucosa (BMSCC). We analyzed the outcomes of surgical therapy for this aggressive cancer and compared these results with those in the literature. METHODS We reviewed the medical(More)
OBJECTIVE Betel quid (BQ) components induce the secretion of tumour necrosis factor-alpha (TNF-α) in oral keratinocytes, which promotes oral mucosal inflammation and oral cancer. This study was carried out to evaluate the association of TNFA genetic variants (-308G>A and -238G>A) with the risk and prognosis of BQ-related oral and pharyngeal squamous cell(More)
BACKGROUND Spindle cell carcinoma (SpCC) is considered to be a rare variant of squamous cell carcinoma (SCC). The behavior of such tumors is unclear. The aim of this study was to elucidate the treatment and outcome of oral and oropharyngeal SpCC. METHODS All the medical records of patients with the diagnosis of SpCC in the oral cavity and oropharynx in(More)
OBJECTIVE The present study investigated the relationship between the expression of manganese superoxide dismutase (MnSOD), catalase, glutathione peroxidase (GPx), and myeloperoxidase (MPO) in buccal mucosal squamous cell carcinoma (SCC), and the risk of second primary tumors (SPTs). STUDY DESIGN Immunohistochemistry was performed to examine the(More)
BACKGROUND OCT4, SOX2, and NANOG are major transcription factors related to stem cell self-renewal and differentiation. The aim of this study was to examine the association of OCT4, SOX2, and NANOG expression levels with the development and prognosis of patients with oral squamous cell carcinoma (OSCC). MATERIALS AND METHODS Expression levels of OCT4,(More)
MicroRNAs (miRs) are a class of small endog-enous non-coding RNAs of ~21-24 nucleotides in length. Previous studies have indicated that miR-196b has either an oncogenic or tumor-suppressive function in various types of cancer. However, the biological role of miR-196b in oral squamous cell carcinoma (OSCC) remains unclear. In the present study, the(More)