Methotrexate analog. 32. Chain extension, .alpha.-carboxyl deletion, and .gamma. carboxyl replacement by sulfonate and phosphate. Effect on enzyme binding and cell-growth inhibition
作者:Andre Rosowsky、Ronald A. Forsch、Richard G. Moran、William Kohler、James H. Freisheim
DOI:10.1021/jm00402a012
日期:1988.7
acid side chains in place of glutamate were synthesized and tested as inhibitors of folylpolyglutamate synthetase (FPGS) frommouseliver. The aminophosphonoalkanoic acid analogues were also tested as inhibitors of dihydrofolate reductase (DHFR) fromL1210 murine leukemia cells and as inhibitors of the growth of MTX-sensitive (L1210) and MTX-resistant (L1210/R81) cells in culture. The optimal number
Capture compounds, collections thereof and methods for analyzing the proteome and complex compositions
申请人:Kõster Hubert
公开号:US20100248264A1
公开(公告)日:2010-09-30
Capture compounds and collections thereof and methods using the compounds for the analysis of biomolecules are provided. In particular, collections, compounds and methods are provided for analyzing complex protein mixtures, such as the proteome. The compounds are multifunctional reagents that provide for the separation and isolation of complex protein mixtures. Automated systems for performing the methods also are provided.
Inhibitors of Kynurenine Aminotransferase and Uses Therefor
申请人:Schwarcz Robert
公开号:US20110144064A1
公开(公告)日:2011-06-16
Provided herein are methods of decreasing a level of kynurenic acid in a cell and of treating a pathophysiological condition in a subject associated with an increase in kynurenic acid in a subject. In these methods the inhibitory action of dicarboxylic acids or derivatives or analogs thereof are effective to inhibit activity of kynurenine aminotransferase II. Also provided is a method of screening for potential inhibitory compounds for kynurenine aminotransferase II. The dicarboxylic acids or derivatives or analogs thereof may have the structural formula, where R
1
is H, NH
2
or NHCH
3
, R
2
is H or CH
3
, n is 0 to 14, and X is —COOH, CH
2
OH, —PO
3
H
2
, —SO
3
H, or —SO
3
H; or a pharmacologically acceptable salt.
METHODS AND COMPOSITIONS FOR ENZYME LINKED IMMUNO AND HYBRIDIZATION MASS SPECTROMETRIC ASSAY
申请人:YYZ Pharmatech, Inc.
公开号:US20160223530A1
公开(公告)日:2016-08-04
Disclosed are sensitive methods for detecting a target substance in low concentrations. The method can include immobilizing a target substance to a solid phase; incubating the immobilized target substance with a reporter enzyme detection probe in solution under conditions for forming target: enzyme detection probe complexes; washing the solid phase to remove any unbound reporter enzyme detection probe; incubating the target: enzyme detection probe complex with a reporter enzyme detection probe substrate in substrate reaction solution to generate one or more ionizable products; and detecting one or more of the one or more ionizable products using mass spectrometry (MS).