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. 2019 Aug 23;19:220. doi: 10.1186/s12935-019-0942-7

Fig. 1.

Fig. 1

Overexpression of E6 oncogene in HNSCC cells with a stable lentivirus transfection. a mRNA level of E6 oncogene was elevated in HNSCC cells with lentivirus transfection, as demonstrated by qPCR technique. b Immunofluorescence assay illustrated the elevated protein level of E6 oncogene in HNSCC cells after lentivirus transfection. c Western blot results demonstrated the overexpression of HPV E6 oncogene in HN4 and HN30 cells. ***P < 0.001. ****P < 0.0001 (scale bar: 20 μm)