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1Inhibition of long non-coding RNA TUG1 on gastric cancer cell transference and invasion through regulating and controlling the expression of miR-144/c-Met axis显示文摘Objective: To discuss the expression of long noncoding RNA TUG1(lnc RNA-TUG1) in gastric carcinoma(GC) and its effects on the transferring and invading capacity of gastric carcinoma cells. Methods: Forty cases of carcinoma tissue and para-carcinoma tissue were selected from GC patients who underwent surgical removal in Zhejiang Provincial Hospital of Chinese Traditional Medicine and Wenzhou Central Hospital from January, 2013 to December, 2014; the expressing level of lnc RNA-TUG1 in GC and para-C tissues was detected by applying the q RT-PCR technique. The correlation between lnc RNA-TUG1 expression and patients' clinical data was classified and analyzed. SGC-7901 cells were transfected using lnc RNA-TUG1 specific si RNA. Changes of the transferring and invading capacity of si RNAtransfected SGC-7901 cells were scratch-tested and transwell-detected. q RT-PCR was applied to detect the expression level of micro RNA-144 after lnc RNA-TUG1 was silenced. Changes of c-Met m RNA and protein expressions was detected by q RT-PCR and western-blot test. Results: The expression level of lnc RNA-TUG1 in GC tissue was significant higher than that in para-C tissue(P<0.05) and the high expression level of lnc RNA-TUG1 in GC tissue was significantly correlated with tumor lymph nodes metastasis and advance TNM phasing(P<0.05). The transferring and invading capacity of SGC-7901 cells was highly inhibited after being transfected by lnc RNA-TUG1 specific si RNA(P<0.05). The results of q RT-PCR and western-blot proved that the expression of micro RNA-144 was significantly boosted and the expression level of c-Met m RNA and protein was inhibited after lnc RNA-TUG1 was silenced(P<0.05). Conclusions: lnc RNA-TUG1 shows an up-regulated expression in GC tissue and that bears a correlation with clinicopathological features of malignant tumor. lnc RNATUG1 can promote the transferring and invading capacity of GC by inhibiting the pathway of micro RNA-144/c-Met.Ting-Ting Ji Xuan Huang Jie Jin Sheng-Hua Pan Xiao-Ju Zhuge 2016Asian Pacific Journal of Tropical Medicine2016,9,5:20
2沉默TUG1对宫颈癌Hela细胞增殖、凋亡、侵袭的影响显示文摘目的:研究长非编码RNA牛磺酸上调基因1(Taurine-upregulated gene 1,TUG1)对宫颈癌Hela细胞增殖、凋亡、侵袭的影响。方法:通过RNA干涉技术沉默Hela细胞中TUG1的表达,通过荧光实时定量PCR(RT-QPCR)检测Hela细胞中TUG1的沉默效果;MTT法检测沉默TUG1对Hela细胞增殖的影响,流式细胞术检测TUG1对Hela细胞凋亡的影响,Transwell侵袭实验检测细胞侵袭能力的变化。结果:TUG1-siRNA可有效沉默TUG1在Hela细胞的表达,沉默Hela细胞中TUG1的表达可以明显抑制Hela细胞的增殖及侵袭能力,而促进Hela细胞的凋亡能力。结论:TUG1在宫颈癌的进展及转移中发挥着重要作用。惠慧 吴磊 周云松 董楠 付玉兰 胡艳 2016现代肿瘤医学2016,24,12:8
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