| Summary: | 碩士 === 國立中山大學 === 生物科學系研究所 === 99 === C1-esterase inhibitor (C1-inh) can inhibitor the first complement protein as C1s and C1r activity to reach adjust classical pathway, avoid excessive activation of the complement system to cause disease. C1-inhibitor protein composed of 478 amino acids with two domains: C terminal domain (serpin domain) and N terminal domain. The early focus has been to angioedema associated with cancer found so far. So the purpose of the study was to investigate whether the C1-inh cause for the breast cancer cell proliferation and migration. We use recombinant gene transform Escherichia coli strain BL21(DE3) and expression. Recombinant protein was purified using affinity column. Influence of proliferation and migration on breast cancer cells were tested by purified recombinant C1-inh. In breast cancer cell proliferation results showed, C1-inh significant proliferation of breast cancer, and when the higher concentration, the longer the incubation time, the remarkable effect of promoting proliferation is even more obvious. The results in breast cancer cell migration is also significant in the C1-inh to promote breast cancer cell migration, and when the higher concentration of the longer incubation time, the significant increased migration is more effective. Therefore, this study does note C1-inh to promote breast cancer cell proliferation and migration.
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