Structural Basis for the Synthesis of Indirubins as Potent and Selective Inhibitors of Glycogen Synthase Kinase-3 and Cyclin-Dependent Kinases
摘要:
Pharmacological inhibitors of glycogen synthase kinase-3 (GSK-3) and cyclin-dependent kinases have a promising potential for applications against several neurodegenerative diseases such as Alzheimer's disease. Indirubins, a family of bis-indoles isolated from various natural sources, are potent inhibitors of several kinases, including GSK-3. Using the cocrystal structures of various indirubins with GSK-3beta, CDK2 and CDK5/p25, we have modeled the binding of indirubins within the ATP-binding pocket of these kinases. This modeling approach provided some insight into the molecular basis of indirubins' action and selectivity and allowed us to forecast some improvements of this family of bis-indoles as kinase inhibitors. Predicted molecules, including 6-substituted and 5,6-disubstituted indirubins, were synthesized and evaluated as CDK and GSK-3 inhibitors. Control, kinase-inactive indirubins were obtained by introduction of a methyl substitution on N1.
Design of thymidylate synthase inhibitors using protein crystal structures: the synthesis and biological evaluation of a novel class of 5-substituted quinazolinones
作者:Stephen E. Webber、Ted M. Bleckman、John Attard、Judith G. Deal、Vinit Kathardekar、Katherine M. Welsh、Stephanie Webber、Cheryl A. Janson、David A. Matthews
DOI:10.1021/jm00058a010
日期:1993.3
The design, synthesis, and biological evaluation of a new class of inhibitors of thymidylate synthase (TS) is described. The molecular design was carried out by a repetitive crystallographic analysis of protein-ligand structures. At the onset of this project, we focused on the folate cofactor binding site of a high-resolution ternary crystal complex of Escherichia coli TS, 5'-fluorodeoxyuridylate (5-FdUMP)
[EN] INDIRUBIN-TYPE COMPOUNDS, COMPOSITIONS, AND METHODS FOR THEIR USE<br/>[FR] COMPOSES DE TYPE INDIRUBINE, COMPOSITIONS ET LEURS PROCEDES D'UTILISATION
申请人:UNIV ROCKEFELLER
公开号:WO2005041954A1
公开(公告)日:2005-05-12
Compounds and compositions including 6-bromo-indirubin, 5-amino-indirubin and N-methyl-indirubins and related indirubin derivatives are provided that are useful as selective modulators of glycogen synthase kinase-3, cyclin-dependent protein kinases or aryl hydrocarbon receptors. Methods of inhibiting or modulating cell growth or cell cycling are provided using the compounds of the invention. In other aspects, compounds and methods for the treatment of protozoan-mediated diseases, Alzheimer's disease and diabetes are provided.
Utilizing Solubility Differences to Achieve Regiocontrol in the Synthesis of Substituted Quinoline-4-carboxylic Acids
作者:Peter Lindsay-Scott、Helen Barlow
DOI:10.1055/s-0035-1561395
日期:——
A practical method for the regiocontrolled synthesis of substituted quinoline-4-carboxylic acids is described. Solubility differences between the product quinoline regioisomers enable their facile separation, thus avoiding any challenging chromatographic purifications and allowing access to highly substituted quinoline compounds in three steps from commercially available anilines.
(EN) Quinazoline compounds which demonstrate antiproliferative activity, such as antitumor activity, processes of preparing these compounds, pharmaceutical compositions containing these compounds, and the use of these compounds. These compounds inhibit the growth and proliferation of the cells of higher organisms and microorganisms, such as bacteria, yeasts and fungi. Preferred quinazoline compounds are capable of inhibiting the enzyme thymidylate synthase. Effects derived from the inhibition of the enzyme thymidylate synthase include those discussed above.(FR) On décrit des composés de quinazoline qui manifestent une activité anti-proliférative telle qu'une activité anti-tumorale, des procédés permettant de préparer ces composés, des compositions pharmaceutiques qui les contiennent, ainsi que l'utilisation desdits composés. Ces derniers inhibent la croissance et la prolifération de cellules chez les organismes supérieurs et les micro-organismes tels que les bactéries, les levures et les champignons. Des composés de quinazoline préférés sont en mesure d'inhiber une enzyme, la thymidylate synthase. Les effets provenant de cette inhibition de la thymidylate synthase incluent ceux mentionnés ci-dessus.
Indirubin-Type Compounds, Compositions, and Methods for Their Use
申请人:Meijer Laurent
公开号:US20070276025A1
公开(公告)日:2007-11-29
Compounds and compositions including 6-bromo-indirubin, 5-amino-indirubin and N-methyl-indirubins and related indirubin derivatives are provided that are useful as selective modulators of glycogen synthase kinase-3, cyclin-dependent protein kinases or aryl hydrocarbon receptors. Methods of inhibiting or modulating cell growth or cell cycling are provided using the compounds of the invention. In other aspects, compounds and methods for the treatment of protozoan-mediated diseases, Alzheimer's disease and diabetes are provided.