Medicinal Chemistry

Atta-ur-Rahman  
Honorary Life Fellow
Kings College
University of Cambridge
Cambridge
UK
Email: mc@benthamscience.org

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Novel Folate-Hydroxamate Based Antimetabolites: Synthesis and Biological Evaluation

Author(s): Marta P. Carrasco, Eva A. Enyedy, Natalia I. Krupenko, Sergey A. Krupenko, Elisa Nuti, Tiziano Tuccinardi, Salvatore Santamaria, Armando Rossello, Adriano Martinelli and M. Amelia Santos

Affiliation: Centro de Quimica Estrutural, Instituto Superior Tecnico, 1049-001 Lisboa, Portugal.

Keywords: Antiproliferative, cancer therapy, dihydrofolate reductase inhibitors, dual enzyme inhibitors, folates and antifolates, histone deacetylase inhibitors, methotrexate, Folate-Hydroxamate, Antimetabolites

Abstract:

A set of hydroxamate derivatives of folic acid and methotrexate (MTX) was synthesized and evaluated for the inhibitory activity against histone deacetylase (HDAC) and dihydrofolate reductase (DHFR), two enzymes overexpressed in metastasizing tumors. The synthesized compounds were further screened for their antiproliferative activity in two human cancer cell lines, A549 (non-small cell lung carcinoma) and PC-3 (prostate adenocarcinoma). All derivatives showed significant inhibitory activity against HDACs (micromolar range) while only the MTX derivative was reasonably effective in DHFR inhibition. A docking study provided insight into the binding mode of the most potent inhibitor in the active sites of the enzymes, allowing rationalization of the bioassays. The MTX-based compound could be of interest for testing against metastasizing tumors in an animal model. The studied derivatives represent promising molecular templates for further development of dual activity anti-cancer drugs.

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Article Details

VOLUME: 7
ISSUE: 4
Page: [265 - 274]
Pages: 10
DOI: 10.2174/157340611796150923