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Anti-proliferative and anti-malarial activities of spiroisoxazoline analogues of artemisinin
Pratap S., Naaz F., Reddy S., Jha K.K., Sharma K., Sahal D., Akhter M., Nayakanti D., Kumar H.M.S., VandanaShow More
Published in Wiley-VCH Verlag
Volume: 352
Issue: 1
A series of spiroisoxazoline analogues of artemisinin was synthesized by employing 1,3-dipolar cycloaddition between various in situ generated nitrile oxides and artemisitene. All the synthesized compounds were tested for their anti-proliferative and anti-malarial activities. Among the compounds tested, compound 11a was found to be potent against the HCT-15 cancer cell line with IC 50 = 4.04 μM when compared to 5-fluorouracil (IC 50 = 35.53 μM). DNA cell cycle analysis shows that 11a was inhibiting cell proliferation at the G2/M phase. Compound 11b was found to be most active against Plasmodium falciparum with IC 50 = 0.1 μM and also blocked host hemoglobin hydrolysis by the falcipain-3 receptor. It was demonstrated to have better dynamics of parasite killing efficiency than artemisinin. Molecular docking studies revealed that these compounds interacted with falcipain-3 receptor sites. © 2018 Deutsche Pharmazeutische Gesellschaft
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Published in Wiley-VCH Verlag
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