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- W4298111406 startingPage "110202" @default.
- W4298111406 abstract "Colorectal cancer is one the most lethal cancers worldwide. Since chemotherapy is burdened with harmful effects, agents capable of enhancing the chemotherapeutic effect are being sought. Ursolic acid (UA) and oleanolic acid (OA) were analyzed for such properties. The aim of the study was to evaluate the ability of UA and OA administered individually and in combination with each other and/or a cytostatic drug camptothecin-11 (CPT-11) to limit the viability and migration of colorectal cancer cells. The cytotoxic effect of UA, OA and CPT-11 and impact on normal and cancer cell migration rate were assessed. Furthermore, the effect on factors crucial in cancer metastasis: MMP-2 and -9, uPA/uPAR, and E-cadherin were assessed with ELISA, Western Blotting and immunofluorescence assays. Statistical analysis was performed with One-Way Anova with Dunnett's test. The studied compounds exhibited the most favorable properties, i.e. they reduced the viability and migration of cancer cells. Furthermore, the secretion, activity, and cellular level of cancer MMP-2 and -9 were decreased, as a result of uPA/uPAR down-regulation. The agents also increased the level of cellular E-cadherin. The effect of the studied agents on normal cells was milder. The compounds exhibited stronger activity when administered in combination and, combined with CPT-11, enhanced anti-tumorigenic activity of the drug. The migration-limiting activity was based on down-regulation of the uPA/uPAR-dependent MMP pathway. Moreover, UA and OA exhibited a protective effect towards normal cells." @default.
- W4298111406 created "2022-10-01" @default.
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- W4298111406 date "2022-12-01" @default.
- W4298111406 modified "2023-10-14" @default.
- W4298111406 title "Ursolic and oleanolic acids in combination therapy inhibit migration of colon cancer cells through down-regulation of the uPA/uPAR-dependent MMPs pathway" @default.
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- W4298111406 doi "https://doi.org/10.1016/j.cbi.2022.110202" @default.
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