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Studies on interactions of essential metal complexes and proteasome

Grant number: 12/24637-5
Support type:Scholarships in Brazil - Scientific Initiation
Effective date (Start): March 01, 2013
Effective date (End): February 28, 2014
Field of knowledge:Physical Sciences and Mathematics - Chemistry - Inorganic Chemistry
Principal researcher:Ana Maria da Costa Ferreira
Grantee:Gabriela Cristina Stuchi
Home Institution: Instituto de Química (IQ). Universidade de São Paulo (USP). São Paulo , SP, Brazil
Associated research grant:11/50318-1 - Development of compounds with pharmacological or medicinal interest and of systems for their transport, detection and recognition in biological media, AP.TEM

Abstract

In this project the investigation of different metal complexes (copper and zinc) with diverse imine ligands as probable proteasome inhibitors will be carried out. Proteasome is a proteolytic protein, capable of degradating different cellular proteins. In these studies EPR and CD spectroscopies will be used to verify possible interactions between some prepared complexes and the proteasome. The inhibitory activity of such complexes will be monitored by usual methods already described in the literature, utilizing specific substrates, depending on the focused activity (chymotrypsine, trypsine or caspase-like activities). Each one of these activities seems to be associated to different catalytic site in the protein, and will help in the elucidation of the mechanism of action of the studied metal complexes.

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