International journal of clinical and experimental pathology · 2015
The role of EphB4 and IGF-IR expression in breast cancer cells.
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Huang Gena, Li Man
Аннотация
OBJECTIVE: to investigate the role of EphB4 and IGF-1R in the proliferation and migration of breast cancer.
METHODS: The relative mRNA levels of EphB4 were measured by RT-PCR. The proliferation of the cells was determined by MTT assay, and cells migration and invasive ability was analyzed using the scratch migration assay.
RESULTS: The expression of EphB4 in control group was significantly decreased when compared with IGF-I group (P<0.001). The expression of EphB4 in IGF-I+LY and LY group were lower than that of the control group (P<0.001).The cell proliferation and migration ability of the cells in IGF-I group increased significantly compared to the cells in the control group (P<0.001), while the cells in IGF-1+LY group and LY group showed a decreased proliferation and migration ability compared to the control group (P<0.001).
CONCLUSION: IGF-IR might be a upstream gene of EphB4. Besides, higher expression of EphB4 shows increased tumor proliferation and migration in breast cells. The study of EphB4 upstream gene and signaling pathway can provide more targeted anti-tumor point selection for targeted therapy.
METHODS: The relative mRNA levels of EphB4 were measured by RT-PCR. The proliferation of the cells was determined by MTT assay, and cells migration and invasive ability was analyzed using the scratch migration assay.
RESULTS: The expression of EphB4 in control group was significantly decreased when compared with IGF-I group (P<0.001). The expression of EphB4 in IGF-I+LY and LY group were lower than that of the control group (P<0.001).The cell proliferation and migration ability of the cells in IGF-I group increased significantly compared to the cells in the control group (P<0.001), while the cells in IGF-1+LY group and LY group showed a decreased proliferation and migration ability compared to the control group (P<0.001).
CONCLUSION: IGF-IR might be a upstream gene of EphB4. Besides, higher expression of EphB4 shows increased tumor proliferation and migration in breast cells. The study of EphB4 upstream gene and signaling pathway can provide more targeted anti-tumor point selection for targeted therapy.
Предметные рубрики MeSH
Breast NeoplasmsCell DifferentiationCell MovementChromonesFemaleGene Expression Regulation, NeoplasticHumansInsulin-Like Growth Factor IMCF-7 CellsMiddle AgedMorpholinesNeoplasm InvasivenessProtein Kinase InhibitorsRNA, MessengerReceptor, EphB4Receptor, IGF Type 1Receptors, SomatomedinSignal TransductionTime Factors