Non-ATP competitive glycogen synthase kinase 3β (GSK-3β) inhibitors: Study of structural requirements for thiadiazolidinone derivatives
摘要:
The 2,4-disubstituted thiadiazolidinones (TDZD) were described as the first non-ATP competitive GSK-3 beta inhibitors. New modifications in this heterocyclic ring are here reported to study the influence on the biological activity. The basic skeleton of 1,2,4-thiadiazole and also one of the carbonyl groups are kept, while different modifications are introduced in positions 3 and 5, respectively. The GSK-3 beta activity of the new thiadiazole derivatives here synthesized showed IC50 values for some of the compounds in the micromolar range. Additionally, ATP competition studies have been carried out, showing that as well as the first generation of TDZD, these new compounds act in a non-competitive manner. With this study, additional requirements for the biological activity of the TDZD family have been delineated. (c) 2007 Elsevier Ltd. All rights reserved.
Design, synthesis, and evaluation of potential inhibitors of nitric oxide synthase
作者:Tania Castaño、Arantxa Encinas、Concepción Pérez、Ana Castro、Nuria E. Campillo、Carmen Gil
DOI:10.1016/j.bmc.2008.04.036
日期:2008.6
Selective inhibitors of neuronal nitricoxidesynthase (nNOS) were shown to protect brain and may be useful in the treatment of neurodegenerative diseases. In this context, our purpose has been to design and synthesize a new family of derivatives of thiadiazoles as possible inhibitors of nNOS. To achieve it a supervised artificial neural network model has been developed for the prediction of inhibition