Molecular evidence of curcumin-induced apoptosis in the filarial worm Setaria cervi.
Abstract
Curcumin (diferuloyl methane) is a major curcuminoid from Curcuma longa that exhibits various pharmacological effects and has shown multiple beneficial activities. Our understanding of its anticarcinogenic and other activities occurring through curcumin-induced apoptosis in several cancer cells has greatly expanded in recent years. Lymphatic filariasis is a worldwide health problem causing global disability in humans and is caused by filarial nematodes. Development of efficient strategies to promote programmed cell death in filarial worms remains a key challenge for anti-filarial drug developing research and a crucial unmet medical need. In this study, we have taken molecular and biochemical approaches toward understanding the molecular basis for curcumin-mediated anti-filarial activity in the filarial nematode Setaria cervi. Results of MTT assay showed that curcumin causes a significant reduction in viability of Mf and adults and thus acts as a potent macro- and micro-filaricidal agent. Hoechst staining, TUNEL staining, showed several apoptotic nuclei in different parts of curcumin-treated adults. At 25 μM concentration it showed chromosomal DNA fragmentation in adult worms. Our results indicate that curcumin decreases protein...Continue Reading
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