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Articles 1 - 3 of 3
Full-Text Articles in Molecular Biology
Expression And Purification Of Human Lysosomal Β-Galactosidase From Pichia Pastoris, Sarah E. Tarullo
Expression And Purification Of Human Lysosomal Β-Galactosidase From Pichia Pastoris, Sarah E. Tarullo
Masters Theses
Lysosomal storage diseases are genetically inherited diseases caused by the dysfunction of lysosomal enzymes. In a normal cell, lysosomal enzymes cleave specific macromolecules as they are transported to the lysosome. However, in diseased cells, these lysosomal enzymes are either absent or malfunctioning, causing macromolecular substrates to accumulate, becoming toxic to the cell. Over fifty lysosomal storage diseases have been identified, collectively occurring in one out of 7,700 live births. We investigated the lysosomal enzyme β-galactosidase (β-gal). In order to study the biochemistry and enzymology of this protein a robust expression system was needed. The GLB1 gene has been inserted into …
Engineering Probes To Detect Cholesterol Accessibility On Membranes Using Perfringolysin O, Benjamin B. Johnson
Engineering Probes To Detect Cholesterol Accessibility On Membranes Using Perfringolysin O, Benjamin B. Johnson
Doctoral Dissertations
Cholesterol is an essential component of mammalian cell membranes and it is important to regulate the structure and function of lipid bilayers. Changes in cholesterol levels are involved in many physiological and pathological events such as the formation of arterial plaques, viral entry into cells, sperm capacitation, and receptor organization. Determination of cholesterol trafficking and distribution is essential for understanding how cells regulate cholesterol. A key factor in the regulation of cholesterol is cholesterol accessibility. Through it interactions in the membrane, cholesterol is sequestered below the surface of the membrane. Based on the composition of the membrane, a certain amount …
Effect Of A 10 Day Decrease In Physical Activity On Circulating Angiogenic Cells, Gayatri Guhanarayan
Effect Of A 10 Day Decrease In Physical Activity On Circulating Angiogenic Cells, Gayatri Guhanarayan
Masters Theses 1911 - February 2014
Circulating angiogenic cells (CACs) are early predictors of cardiovascular health and are inversely proportional to related outcomes. Increased number and function of CACs is seen in healthy individuals compared with individuals with cardiovascular disease (CVD). Exercise increases CAC number and function in CVD populations, through a nitric oxide-mediated mechanism. Inactivity is a growing concern in industrialized nations; it is an independent risk factor for CVD and is linked to increased mortality. The purpose of this study was to understand the effect of reduced physical activity (rPA) on two CAC populations (CFU-Hill and CD34+) in highly active individuals. We …