지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2022.10
- 수록면
- 175 - 180 (6page)
- DOI
- 10.15188/kjopp.2022.10.36.5.175
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초록· 키워드
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The seeds of Trichosanthes kirilowii (STK) used in traditional Oriental medicine for the treatment of dry cough and constipation have diverse pharmacological activities, including hypolipidemic, antioxidant, immunosuppressive, and anticancer effects. However, the effect of STK on angiogenesis has not been studied yet. In this study, we investigated whether the ethanolic extract of STK (ESTK) can regulate the migration and tube formation of human umbilical vein endothelial cells (HUVECs) and explored the underlying mechanism. Results of transwell assay showed that ESTK treatment dose-dependently suppressed the migration of HUVECs. The conditioned medium collected from H1299 human lung cancer cells was used as a chemoattractant. Our observation suggests that ESTK would inhibit the recruitment of endothelial cells into tumors. In addition, ESTK treatment significantly reduced the tube formation of HUVECs. As a molecular mechanism, we found that vascular endothelial growth factor (VEGF)-induced phosphorylation of VEGF receptor 2 (VEGFR2) was completely blocked by ESTK treatment. The expression of angiogenic factors, including VEGFA, fibroblast growth factor 2 (FGF2), angiopoietin, placental growth factor (PGF), platelet derived growth factor (PDGF), angiogenin, and tumor necrosis factor (TNF)-α, was commonly decreased by ESTK treatment in H1299 cells, indicating that ESTK would reduce the production of angiogenic factors from cancer cells. Taken together, our results clearly demonstrated that ESTK exhibited anti-angiogenic effects in HUVECs, which provides another possible mechanism underlying the anticancer activities of STK.
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