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Objective:To explore the effect of Fibulin-5 expression on cell proliferation and invasion in human gastric cancer patients.Methods:Fibulin-5 expression was detected in 56 samples of surgically resected gastric cancer and paired noncancerous tissues using qRT-PCR and immunoblotting.Fibulin-5 was knocked dowu by Fibulin-5 shRNA in MGC-803 cells,then Brdu cell proliferation and transwell invasion assays were used to determine cell proliferation and invasion.Results:The level of Fibulin-5 mRNA in gastric cancer tissues was significantly higher as compared with that in normal tumor-adjacent tissues(P<0.05).Otherwise,the level of Fibulin-5 protein in cancer and noucancerous tissues was consistent with mRNA expression(P<0.05).Fibulin-5 protein expression in tumor tissues with poorly differentiated.lymph node metastasis and advanced TNM tumor stage was significantly higher(P<0.05.respectively).Fibulin-5 was obviously knocked down by Fibulin-5 shRNA(P<0.05).and Fibulin-5 knockdown significantly inhibited cell proliferation and invasion in MGC-803 cells(P<0.05.respectively).Conclusions:The high-expression of Fibulin-5 is associated with the malignant clinicopathologic parameters in gastric cancer and Fibuliu-5 knockdown inhibits cell proliferation and invasion in MGC-803 cells.suggesting Fibulin-5 may act as a key factor in the progression of gastric cancer.
Objective: To explore the effect of Fibulin-5 expression on cell proliferation and invasion in human gastric cancer patients. Methods: Fibulin-5 expression was detected in 56 samples of surgically resected gastric cancer and paired noncancerous tissues using qRT-PCR and immunoblotting. -5 was knocked dowu by Fibulin-5 shRNA in MGC-803 cells, then Brdu cell proliferation and transwell invasion assays were used to determine cell proliferation and invasion. Results: The level of Fibulin-5 mRNA in gastric cancer tissues was significantly higher as compared with that in normal tumor-adjacent tissues (P <0.05) .Otherwise, the level of Fibulin-5 protein in cancer and noucancerous tissues was consistent with mRNA expression (P <0.05) Fibulin-5 was obviously knocked down by Fibulin-5 shRNA (P <0.05) .and Fibulin-5 knockdown significantl (P <0.05.Respectively) y inhibited cell proliferation and invasion in MGC-803 cells (P <0.05.respectively) .Conclusions: The high-expression of Fibulin-5 is associated with the malignant clinicopathologic parameters in gastric cancer and Fibuliu-5 knockdown inhibits cell proliferation and invasion in MGC-803 cells.suggesting Fibulin-5 may act as a key factor in the progression of gastric cancer.