Head & face medicine · 2018
Effect of DACH1 on proliferation and invasion of laryngeal squamous cell carcinoma.
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Zhang Jiarui, Ren Xiuxia, Wang Bo, Cao Jing, Tian Linli, Liu Ming
Аннотация
BACKGROUND: To investigate the effect of DACH1 over-expression on proliferation and invasion of laryngeal squamous cell carcinoma (LSCC).
METHODS: The 120 cases of LSCC tumors and 114 adjacent non-neoplastic tissues were collected to detect the expression of DACH1 by immunohistochemistry. The changes of DACH1 expression from each group were assessed and correlated to the clinical parameters of the patients. Plasmid-DACH1 was transfected into Hep-2 cells to up-regulate the expression of DACH1C. Real-time PCR, Western blot, CCK8 and transwell assay were used to verify the cell proliferation and invasion after plasmid-DACH1 transfection.
RESULTS: The results indicated that DACH1 was downregulated in LSCC tissues as compared to corresponding adjacent non-neoplastic tissues. Decreased expression of DACH1 was found in the tumors upraglottic tumor, lymph node metastases, T3-4 stage and advanced clinical stage. In Hep-2 cells, transfection with plasmid-DACH1 could suppress cell proliferation, invasion and induce G1 phase extension in cell cycle.
CONCLUSIONS: DACH1 may act as a tumor suppressor gene and could be a potential target for therapeutic intervention of LSCC.
METHODS: The 120 cases of LSCC tumors and 114 adjacent non-neoplastic tissues were collected to detect the expression of DACH1 by immunohistochemistry. The changes of DACH1 expression from each group were assessed and correlated to the clinical parameters of the patients. Plasmid-DACH1 was transfected into Hep-2 cells to up-regulate the expression of DACH1C. Real-time PCR, Western blot, CCK8 and transwell assay were used to verify the cell proliferation and invasion after plasmid-DACH1 transfection.
RESULTS: The results indicated that DACH1 was downregulated in LSCC tissues as compared to corresponding adjacent non-neoplastic tissues. Decreased expression of DACH1 was found in the tumors upraglottic tumor, lymph node metastases, T3-4 stage and advanced clinical stage. In Hep-2 cells, transfection with plasmid-DACH1 could suppress cell proliferation, invasion and induce G1 phase extension in cell cycle.
CONCLUSIONS: DACH1 may act as a tumor suppressor gene and could be a potential target for therapeutic intervention of LSCC.
Предметные рубрики MeSH
AgedBiopsy, NeedleBlotting, WesternCarcinoma, Squamous CellCase-Control StudiesCell ProliferationEye ProteinsFemaleGene Expression Regulation, NeoplasticHumansImmunohistochemistryLaryngeal NeoplasmsMaleMiddle AgedNeoplasm InvasivenessNeoplasm StagingPrognosisReal-Time Polymerase Chain ReactionRetrospective StudiesTranscription FactorsUp-Regulation