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The CRCIF was established to foster collaborative efforts aimed at elucidating the role of intermediate filaments (IFs) in the heart. Intermediate filaments constitute a class of cytoskeletal proteins in metazoan cells, however, different from actin microfilaments and tubulin microtubules, their function in cardiac cells is poorly understood. Unique from the other two components of the cytoskeleton, IFs are formed by cell type-specific proteins. Desmin is the main component of the IFs in the cardiac myocytes. We measured the consistent induction of desmin post-translational modifications (PTMs, such as phosphorylation, etc.) in various clinical and experimental models of heart failure. Therefore, one of our main focuses is to determine the contribution of desmin PTMs to the development of heart failure in different animal and clinical models.
• Quantification of desmin PTM-forms in different forms of heart failure at the peptide level using mass spectrometry
• F...unctional assessment of the role of desmin PTMs in heart failure development using single site mutagenesis and biophysical methods
• Molecular characterization of desmin preamyloid oligomers using mass spectrometry, in vitro and in vivo imaging
• Assessment of the diagnostic and pharmacological value of desmin PTMs in heart failure development view more
The Goley Lab is broadly interested in understanding cellular organization and dynamic reorganization, with particular focus on the roles of the cytoskeleton in these phenomena. We use cell biological, biochemical, genetic and structural approaches to dissect cytoskeletal processes with the aim of understanding how they work in molecular detail. Currently, we are focused on investigating the mechanisms underlying cytokinesis in bacteria. A deep understanding of cytoskeletal function in bacteria will aid in the identification of targets for novel antibiotic therapies and in efforts in synthetic biology.