口腔疾病防治2018，Vol.26Issue(1)：31-37,7.DOI:10.12016/j.issn.2096-1456.2018.01.006
TPX2在舌鳞状细胞癌组织中的表达及其对Cal27细胞增殖和凋亡的影响
Investigation of the expression of TPX2 in tongue squamous cell carcinoma and its effect on Cal27 cell prolifer-ation and apoptosis
摘要
Abstract
Objective To investigate the expression of targeting protein for xenopus kinesin-like protein2 (TPX2) in tongue squamous cell carcinoma (TSCC) tissues and explore its effect on cell proliferation and apoptosis. Methods 30 cases of TSCC tissues, paired normal tissues were collected in Dongguan People ' s Hospital during 2013-2016. The mRNA and protein expression level of TPX2 was determined by qRT-PCR and western blot, respectively and analyzed The correlation of TPX2 expression level and clinic opathological parameters. Cal27 cell was transfected with siRNAs to knockdown the expression of TPX2, then cell proliferation, cell apoptosis and related proteins (cleaved caspase 3 and caspase 3) were detected by MTT assay, flow cytometry and western blot. Results TPX2 was highly expressed in (t=3.254, P=0.0029) tumor tissues at mRNA level compared to adjacent normal parts. In protein level, TPX2 was highly expressed (66.7％) in tumor tissues, TPX2 expression level of 20 case was higher than the corresponding tissue adjacent to carcinoma (20/30, t=2.862, P=2.862), and high expression of TPX2 was related to T staging, lymph node metastasis of tongue cancer. Knockdown TPX2 effectively reduced cell proliferation, increased apoptosis rate (F=342.9, P<0.0001) and upregulated the expression of apoptosis-related proteins cleaved caspase 3 (F=46.98, P=0.0014) and caspase 3 (F=33.35, P=0.0027). Conclusion Overexpression of TPX2 was found in TSCC tissues. Silencing of TPX2 might inhibit cell proliferation and promote cell apoptosis. TPX2 could be a new target for gene therapy of TSCC.关键词
舌鳞状细胞癌/TPX2/细胞增殖/凋亡/Cal27细胞Key words
TSCC/TPX2/Cell proliferation/Apoptosis/Cal27 cell分类
医药卫生引用本文复制引用
尹颂豪,郭伟洪..TPX2在舌鳞状细胞癌组织中的表达及其对Cal27细胞增殖和凋亡的影响[J].口腔疾病防治,2018,26(1):31-37,7.基金项目
2017年广东省大学生科技创新培育专项资金(pdjh2017a0096) （pdjh2017a0096）
