OBJECTIVES: The aim was to search for anti-inflammatory and anticancer compounds from three medicinal plants, viz. Ventilago madraspatana Gaertn., Rubia cordifolia Linn. and Lantana camara Linn. METHODS: The NO* scavenging potential of selected plant extracts was determined on LPS/IFN-gamma activated murine peritoneal macrophage cultures, and iNOS and COX-2 expression was evaluated by Western blot analysis. Bio-assay guided fractionation yielded four compounds: physcion and emodin from V. madraspatana, 1-hydroxytectoquinone from R. cordifolia, and oleanonic acid from L. camara. The anti-inflammatory activity of these compounds was tested through the carrageenan-induced rat-paw oedema model. They were then tested against a murine tumour (Ehrlich ascites carcinoma), and three human cancer cell lines, namely A375 (malignant skin melanoma), Hep2 (epidermoid laryngeal carcinoma) and U937 (lymphoma). KEY FINDINGS: All four compounds dose dependently inhibited NO* through suppression of iNOS protein without affecting macrophage viability. Physcion and emodin caused 65-68% reduction of oedema volume at 40 mg/kg, which validated their in-vivo anti-inflammatory effect. 1-Hydroxytectoquinone and oleanonic acid exhibited promising cytotoxicity against A375 cells. CONCLUSIONS: Ethnomedical reports on these traditional medicinal plants have been rationalised through an insight into the anti-inflammatory as well as anticancer potential of four constituents, characterised to be prospective candidates for designing novel therapeutic agents.
OBJECTIVES: The aim was to search for anti-inflammatory and anticancer compounds from three medicinal plants, viz. Ventilago madraspatana Gaertn., Rubia cordifolia Linn. and Lantana camara Linn. METHODS: The NO* scavenging potential of selected plant extracts was determined on LPS/IFN-gamma activated murine peritoneal macrophage cultures, and iNOS and COX-2 expression was evaluated by Western blot analysis. Bio-assay guided fractionation yielded four compounds: physcion and emodin from V. madraspatana, 1-hydroxytectoquinone from R. cordifolia, and oleanonic acid from L. camara. The anti-inflammatory activity of these compounds was tested through the carrageenan-induced rat-paw oedema model. They were then tested against a murinetumour (Ehrlich ascites carcinoma), and three humancancer cell lines, namely A375 (malignant skin melanoma), Hep2 (epidermoid laryngeal carcinoma) and U937 (lymphoma). KEY FINDINGS: All four compounds dose dependently inhibited NO* through suppression of iNOS protein without affecting macrophage viability. Physcion and emodin caused 65-68% reduction of oedema volume at 40 mg/kg, which validated their in-vivo anti-inflammatory effect. 1-Hydroxytectoquinone and oleanonic acid exhibited promising cytotoxicity against A375 cells. CONCLUSIONS: Ethnomedical reports on these traditional medicinal plants have been rationalised through an insight into the anti-inflammatory as well as anticancer potential of four constituents, characterised to be prospective candidates for designing novel therapeutic agents.
Authors: Mohammed Rahmatullah; Rownak Jahan; F M Safiul Azam; S Hossan; M A H Mollik; Taufiq Rahman Journal: Afr J Tradit Complement Altern Med Date: 2011-07-03
Authors: Xiaoping Pan; Haixia Wang; Dongmeng Tong; Chen Wang; Li Sun; Chunjuan Zhao; Yan Li; Lida Zhu; Di Wu Journal: Am J Cancer Res Date: 2016-12-01 Impact factor: 6.166
Authors: Mariam I Gamal El-Din; Nouran M Fahmy; Fulin Wu; Maha M Salem; Omar M Khattab; Hesham R El-Seedi; Michal Korinek; Tsong-Long Hwang; Ahmed K Osman; Mohamed El-Shazly; Shaimaa Fayez Journal: Plants (Basel) Date: 2022-06-27