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Effect of circular RNA hsa_circ_0063772 on proliferation, migration and invasion of oral squamous cell carcinoma cells / 中华口腔医学杂志
Chinese Journal of Stomatology ; (12): 561-567, 2019.
Article in Chinese | WPRIM | ID: wpr-805703
ABSTRACT
Objective@#To investigate the effects of circular RNA hsa_circ_0063772 on the proliferation, migration and invasion of oral squamous cell carcinoma (OSCC) cells.@*Methods@#Thirty-three patients with oral squamous cell carcinoma who were admitted to the Department of Oral and Maxillofacial Surgery, Peking University Shenzhen Hospital from February 2017 to December 2018 were enrolled in this study. Real-time quantative polymerase chain reaction was used to detect the expression level of circular RNA hsa_circ_0063772 in OSCC and corresponding adjacent tissues, OSCC cell lines and human keratinocytes. The expression level of hsa_circ_0063772 was overexpressed in SCC15 and CAL27 cells by using lentivirus, and the effects of this gene on proliferation, migration and invasion of OSCC cells were detected by cell counting assay, scratch assay, Transwell assay, Western blotting and nude mice tumor formation assay.@*Results@#The expression of circular RNA hsa_circ_0063772 in OSCC tissues (9.38±0.34) was lower than that in adjacent tissues (11.30±0.31) (t=5.20, P<0.001), and the expression in OSCC cells (SCC15 0.12±0.01; SCC25 0.18±0.02; SCC9 0.21±0.01; CAL27 0.13±0.01) was significantly lower than that in human keratinocytes (1.02±0.02) (tSCC15=41.91, tSCC25=29.21, tSCC9=35.16, tCAL27=41.86, P<0.001). Overexpression of hsa_circ_0063772 in SCC15 and CAL27 cells can affect tumor cell proliferation, cell counting assay showed that tumor cell proliferation ability in high expression group (SCC15 0.76±0.01; CAL27 0.74±0.02) were lower than empty group (SCC15∶1.22±0.04; CAL27 0.99±0.03; tSCC15=12.58, tCAL27=6.97; P<0.05). Transwell migration experiment showed the number of migrated cell in high expression group (SCC15∶148.00±14.57; CAL27 243.00±13.00) were less than empty group (SCC15 580.30±42.91; CAL27 424.70±18.66, P<0.01); Transwell invasion assay showed the number of invased cell in high expression group (SCC15 123.70±6.98; CAL27 326.00±17.01) were less than empty group (SCC15 517.70±9.96; CAL27 454.30±8.09, P<0.01). The results of tumor formation in nude mice showed that the tumor volume and mass of the overexpressed group [(306.40±16.51) mm3; (289.40±11.44) mg] were lower than that of the empty group [(582.60±32.51) mm3, t=7.58, P<0.05; (599.60±21.27) mg, t=7.58, P<0.001].@*Conclusions@#Compared with adjacent tissues, hsa_circ_0063772 is lowly expressed in oral squamous cell carcinoma. High expression of hsa_circ_0063772 can inhibit the proliferation, migration and invasion of OSCC cells.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Stomatology Year: 2019 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Stomatology Year: 2019 Type: Article