Keyword: Protein structure

Melanie Alpaugh

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The Alpaugh Lab studies the mechanisms and consequences of protein misfolding in neurodegenerative diseases.
Theme 1- Interactions between the blood-brain barrier and misfolded proteins. Protein accumulation and blood-brain barrier break down are common features of diseases such as Alzheimer’s, Parkinson’s and Huntington’s diseases. We aim to understand if these two common disease features are related using a human 3D-cell culture model of the blood-brain barrier and human tissue.
Theme 2- Contributions of huntingtin seeding and spreading to Huntington’s disease. The mutant huntingtin protein displays prion-like properties. The Alpaugh lab is tackling the relevance to Huntington’s disease using tissue from human patients with Huntington’s disease phenocopies and Huntington’s disease.

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Matthew Kimber

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For bacteria, survival requires evading detection. Pathogens must evade their host, but all bacteria need to avoid being targeted by phages. Gram negative bacteria’s survival depends on lipopolysaccharide and capsule – highly complex carbohydrate molecules that coat their outer surface. The enzymes that produce these molecules are complex, drawing on a large set of basic modules but then tweaking and combining them into new organizations that accomplish unique ends. My lab is focused on understanding how the structures and large-scale architectures of these enzymes create the enormous variety of unique custom carbohydrates observed in nature. To this end, we use crystallography, enzymology, and a variety of biophysical assays and bioinformatics tools to better understand these proteins.

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