Design and Synthesis of New Potent Inhibitors of Farnesyl Pyrophosphate Synthase

ISSN: 1875-6220 (Online)
ISSN: 1570-1638 (Print)

Volume 12, 4 Issues, 2015

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Current Drug Discovery Technologies

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Vladimir P. Torchilin
Department of Pharmaceutical Science Center
for Pharmaceutical Biotechnology and Nanomedicine
Northeastern University
Boston, MA 02115

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Design and Synthesis of New Potent Inhibitors of Farnesyl Pyrophosphate Synthase

Current Drug Discovery Technologies, 11(2): 133-144.

Author(s): Volodymyr Prokopenko, Vasyl Kovalishyn, Michael Shevchuk, Iryna Kopernyk, Larysa Metelytsia, Vadim Romanenko, Sergey Mogilevich and Valery Kukhar.

Affiliation: Institute of Bioorganic Chemistry & Petrochemistry, National Academy of Sciences of Ukraine, Kyiv-94, 02660, Murmanska, 1, Ukraine.


Predictive QSAR models for the inhibition activities of nitrogen-containing bisphosphonates (N-BPs) against farnesyl pyrophosphate synthase (FPPS) from Leishmania major (LeFPPS) were developed using a data set of 97 compounds. The QSAR models were developed through the use of Artificial Neural Networks and Random Forest learning procedures. The predictive ability of the models was tested by means of leave-one-out cross-validation; Q2values ranging from 0.45-0.79 were obtained for the regression models. The consensus prediction for the external evaluation set afforded high predictive power (Q2=0.76 for 35 compounds).

The robustness of the QSAR models was also evaluated using a Y-randomization procedure. A small set of 6 new N-BPs were designed and synthesized applying the Michael reaction of tetrakis (trimethylsilyl) ethenylidene bisphosphonate with amines. The inhibition activities of these compounds against LeFPPS were predicted by the developed QSAR models and were found to correlate with their fungistatic activities against Candida albicans. The antifungal activities of N-BPs bearing n-butyl and cyclopropyl side chains exceeded the activities of Fluconazole, a triazole-containing antifungal drug. In conclusion, the N-BPs developed here present promising candidate drugs for the treatment of fungal diseases.


Artificial neural networks, drug design, fungistatic activity, Michael addition, nitrogen-containing bisphosphonates, QSAR.

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Article Details

Volume: 11
Issue Number: 2
First Page: 133
Last Page: 144
Page Count: 12
DOI: 10.2174/15701638113106660041

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