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Inhibitors of Glutamine Synthetase and their Potential Application in Medicine

[ Vol. 8 , Issue. 9 ]

Author(s):

Lukasz Berlicki   Pages 869 - 878 ( 10 )

Abstract:


Glutamine synthetase (E.C. 6.3.1.2) – an enzyme catalyzing formation of glutamine from glutamate and ammonium ion, is one of the most important enzymes in nitrogen metabolism. Due to glutamine synthetase activity, inorganic nitrogen is incorporated in the cell metabolism and is further used in biosynthesis of several highly important metabolites. The first part of the review presents the long-dating research on inhibitors of glutamine synthetase which started with the discovery of methionine sulfoximine in 1949. Since that time several inhibitors of this enzyme, classified in the following groups: derivatives of methionine sulfoximine, phosphorus containing analogues of glutamic acid, bisphosphonates and miscellaneous inhibitors, have been developed and described. Analysis of their structure-activity relationships is presented in some detail. The second part of the paper is dedicated to potential medical application of glutamine synthetase inhibitors, which proved to act as effective anti-tuberculosis agents with high selectivity towards the pathogenic bacteria. Moreover, it was also shown that glutamine synthetase inhibitors could be successfully applied in cancer therapy.

Keywords:

Glutamine Synthetase, Inhibitors, enzyme catalyzing formation, cell metabolism, structure-activity relationships, medicinal application

Affiliation:

Department of Bioorganic Chemistry, Faculty of Chemistry, Wroclaw University of Technology,Wybrzeze Wyspianskiego 27, 50-370 Wroclaw, Poland;



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