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|Title:||Potent in vivo anticancer activity and stability of liposomes encapsulated with semi-purified Job’s tear (Coix lacryma-jobi Linn.) extracts on human colon adenocarcinoma (HT-29) xenografted mice|
|Keywords:||Pharmacology, Toxicology and Pharmaceutics|
|Abstract:||© 2016 Informa UK Limited, trading as Taylor & Francis Group. The in vivo anticancer activity and stability of liposomes encapsulated with semi-purified Job’s tear (Coix lacryma-jobi Linn.) extracts (S5L), prepared by supercritical carbon dioxide fluid technique, on human colon adenocarcinoma (HT29) xenografted mice were investigated. For the stability and the physicochemical characteristics, S5L showed a high stability of pH, good dispersibility, small particle size and stable zeta potential. Liposomes can protect linoleic acid in the extract comparing with the free S5. S5L kept at 4 °C for 3 months showed the highest linoleic acid content of 63.50%, whereas at 45 °C, the lowest linoleic acid content of 42.66% was observed. The anticancer activity and toxicity on xenografted mice were observed for 14 days. At the end of the experiment, the relative tumor volume (RTV) in the S5L-treated xenografted mice showed a significant RTV reduction. The high dose of S5 and S5L were potent with the highest inhibition of tumor growth of 48.67 and 54.75%, which was 86.94% and 97.81% of 5-fluorouracil, respectively. The apoptotic activity was shown in xenografted mice treated with S5 at medium and high dose, S5L, 5-fluorouracil and commercial product. All treated xenografted mice showed no toxic signs and symptoms, abnormality of internal organs histopathology and blood chemistry. This study has demonstrated the high physicochemical stability of liposomes encapsulated with semi-purified Job’s tear extract and their potent anticancer activity on human colon adenocarcinoma xenografted model with the potential for further development to anticolon cancer drug.|
|Appears in Collections:||CMUL: Journal Articles|
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