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Journal of Preventive Medicine ; (12): 1198-1201, 2015.
Artigo em Chinês | WPRIM | ID: wpr-792458

RESUMO

Objective To explore the possible mechanisms of Galectin - 1(Gal - 1)protein in promoting the invasion and migration of gastric cancer cells. Methods After treated with different concentrations(0,1,5 μg/ mL)of Gal - 1 protein, the Trans - well model was used to analyze the invasion and migration ability of gastric cancer. WB and gelatin zymography method were used to detect the MMP - 9 expression and active form change in gastric cancer cells after Gal - 1 stimulate, in order to explore the possible molecular mechanisms of Gal - 1 protein in promoting the invasion and migration of gastric cancer cells. Results In cell migration assay,the number of gastric cancer cells BGC - 823 treated with 1and 5 μg/ mL Gal - 1 stimulate were 117 ± 8. 19 and 167 ± 7. 55,higher than that treated with 0 μg/ mL(P < 0. 05). The number of gastric cancer cells 7 901 treated with 1and 5 μg/ mL Gal - 1 stimulate were 151 ± 5. 13 and 190. 3 ± 6. 8,higher than that treated with 0 μg/ mL(P < 0. 05). In cell invasion assay,the number of gastric cancer cells BGC - 823 treated with 1and 5μg/ mL Gal - 1 stimulate were 51 ± 3. 6 and 76. 7 ± 9. 07,higher than that treated with 0 μg/ mL(P < 0. 05). The number of gastric cancer cells 7 901 treated with 1and 5 μg/ mL Gal - 1 stimulate were 74. 0 ± 7. 21 and 105. 3 ± 11. 37,higher than that treated with 0 μg/ mL(P < 0. 05). The migration and invasion level were significantly increased in gastric cancer cells after Gal - 1 stimulate. The MMP - 9 expression level and active form change in gastric cancer cells were also increased after Gal - 1 stimulate. Conclusion Gal - 1cound significantly promote gastric cancer cell migration and invasion by up - regulated the MMP - 9 expression and active its enzyme activity.

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