alexa Effect of Tinospora cordifolia on the cytokine profile of angiogenesis-induced animals.


Journal of Traditional Medicine & Clinical Naturopathy

Author(s): Leyon PV, Kuttan G

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Abstract The antiangiogenic activity of Tinospora cordifolia was studied using in vivo as well as in vitro models. In vivo antiangiogenic activity was studied using B16F10 melanoma cell-induced capillary formation in animals. Intraperitoneal administration of the extract at a concentration of 20 mg/kg significantly inhibited the tumour directed capillary formation induced by melanoma cells. Analysis of the serum cytokine profile showed a drastic increase of proinflammatory cytokines such as IL-1beta, IL-6, TNF-alpha, granulocyte monocyte-colony stimulating factor (GM-CSF) and the direct endothelial cell proliferating agent vascular endothelial cell growth factor (VEGF) in the angiogenesis-induced control animals. Administration of Tinospora extract could differentially regulate these cytokine's elevation. The differential regulation is further evidenced by the increased production of antiangiogenic agents IL-2 and tissue inhibitor of metalloprotease-1 (TIMP-1) in the B16F10-injected, extract-treated animals. Moreover, using an in vitro rat aortic ring assay, it was observed that the extract at nontoxic concentrations inhibited the production of proangiogenic factors from B16F10 melanoma cells. Direct treatment of the extract also inhibits the microvessel outgrowth from the aortic ring. Hence, the observed antiangiogenic activity of the plant T. cordifolia is related, at least in part, to the regulation of the levels of these cytokines and growth factors in the blood of the angiogenesis-induced animal. This article was published in Int Immunopharmacol and referenced in Journal of Traditional Medicine & Clinical Naturopathy

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