Jeremy Receives Fellowship from the Triangle Center of Evolutionary Medicine

April 7, 2017

 

Jeremy Ash recently received a fellowship for Fall 2017 from the Triangle Center of Evolutionary Medicine (TriCEM).   His proposed project is an extension of his recently accepted publication in the Journal of Chemical Information and Modeling on the use of molecular dynamics extracted chemical descriptors to characterize and model a series of ERK2 inhibitors.  The extension will focus on the evolution of resistance to chemotherapy drugs in mitogen activated protein kinases. Check out the TriCEM website.

 

Abstract

 

Kinase inhibitors represent the new generation of highly promising bioactive molecules for combating various types of cancer. With compounds already on the market and even more currently in clinical trials, the research community is on the path to developing a large collection of kinase-mediating drugs and chemical probes. However, drug resistance is the “Achilles heel” of kinases inhibitors. As members of signaling pathways that are critical to an array of cellular processes, kinase inhibition gives rise to strong selection pressure for drug resistance conferring mutations in patients. In this project, we focus on studying the ERK1 and ERK2 kinase, especially the dynamic interactions small molecule inhibitors undergo within the ERK binding site. To do so, we will rely on our novel modeling approach that integrates several state-of-the-art cheminformatics methods (molecular docking, molecular dynamics, and machine learning). We posit this analysis will deepen the understanding of why certain inhibitors interact differently with these two isoforms. This will help identify residues where the selection pressure driving drug resistance is different, and inform chemists of strategies to design new ERK inhibitors with greater efficacy. At last, our analysis of ERK-ligand dynamic interactions that confer specificity to ERK1, ERK2, or both will aide in the development of new chemical probes capable of more selective inhibition.

 

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