Metastatic Inhibitory and Radical Scavenging Efficacies of Saponins Extracted from the Brittle Star (Ophiocoma erinaceus)

Amini, Elaheh; Nabiuni, Mohammad; Baharara, Javad; Parivar, Kazem; Asili, Javad

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자료유형: 학술저널

저자정보: Amini, Elaheh (Department of Animal Biology, Faculty of Biological Sciences, Kharazmi University) Nabiuni, Mohammad (Department of Cell and Developmental Biology, Kharazmi University) Baharara, Javad (Department of Animal Biology, School of Basic Science, Science and Research Branch, Islamic Azad University) Parivar, Kazem (Department of Biology, Research Center for Applied Biology, Mashhad Branch, Islamic Azad University) Asili, Javad (Department of Pharmacognosy, School of Pharmacy, Biotechnology Research Center, Mashhad University of Medical Sciences)

저널정보: 아시아태평양암예방학회 Asian Pacific journal of cancer prevention : APJCP Asian Pacific journal of cancer prevention : APJCP 제16권 제11호

발행연도: 2015.1

수록면: 4,751 - 4,758 (8page)

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Echinodermata use saponins in chemical defense against pathogens and predators. The molecular mechanisms of antimetastatic effects of brittle star saponins are still unknown. The present study examined antioxidant capacity and invasive ability in HeLa carcinoma cells exposed to brittle star crude saponins. Discolorating methods with DPPH and ABTS and expression of SOD-2 with RT-PCR were used to estimate the antioxidant activity. The anti-invasive activity of extracted saponins was examined through adhesion of HeLa cells to extracellular matrix, wound healing and evaluation of the mRNA levels of MMP-2 and MMP-9 by real time-PCR. The results showed that extracted saponins had cytotoxicity against cervical cancer cells and ABTS and DPPH scavenging properties with $IC_{50}$ values of 604.5, $1012{\mu}g/ml$, respectively. Further, we found that, in wound healing assay, brittle star saponins could prevent invasion of HeLa cells in a concentration dependent manner. Furthermore, cell adhesion assay demonstrated blockage of cell attachment to extracellular matrix with an $IC_{50}$ concentration of $16.1{\mu}g/ml$. The significant dose dependent down regulation of MMP-2 and MMP-9 in treated cells demonstrated that isolated saponins can decline tumor metastasis in vitro. The brittle star saponins remarkably prevented cervical cancer invasion and migration associated with down regulation of matrix metalloproteinase expression. Therefore, saponins could be suggested as an anti-invasive candidate against cervical cancer and an antioxidant as well.

#Echinoderm #saponins #cervical cancer #attachment #aggression #antioxidant capacity

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