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Full-Text Articles in Translational Medical Research

The Role Of Ceramide In Neutrophil Elastase Induced Inflammation In The Lungs, Sophia Karandashova Jan 2018

The Role Of Ceramide In Neutrophil Elastase Induced Inflammation In The Lungs, Sophia Karandashova

Theses and Dissertations

Alterations to sphingolipid metabolism are associated with increased pulmonary inflammation, but the impact of inflammatory mediators, such as neutrophil elastase (NE), on airway sphingolipid homeostasis remains unknown. NE is a protease associated CF lung disease progression, and can be found in up to micromolar concentrations in patient airways. While sphingolipids have been investigated in the context of CF, the focus has been on loss of cystic fibrosis transmembrane conductance regulator (CFTR) function. Here, we present a novel observation: oropharyngeal aspiration of NE increases airway ceramides in mice. Using a previously characterized mouse model of NE-induced inflammation, we demonstrate that NE …


Efficacy Of Nutritional Interventions To Lower Circulating Ceramides In Young Adults: Fruvedomic Pilot Study, Alice T. Matthews, Oluremi A. Famodu, Melissa D. Olfert, Pamela J. Murray, Christopher F. Cuff, Marianne T. Downes, Norman J. Haughey, Sarah E. Colby, Paul D. Chantler, I. Mark Olfert, Joseph W. Mcfadden Jan 2017

Efficacy Of Nutritional Interventions To Lower Circulating Ceramides In Young Adults: Fruvedomic Pilot Study, Alice T. Matthews, Oluremi A. Famodu, Melissa D. Olfert, Pamela J. Murray, Christopher F. Cuff, Marianne T. Downes, Norman J. Haughey, Sarah E. Colby, Paul D. Chantler, I. Mark Olfert, Joseph W. Mcfadden

Faculty & Staff Scholarship

The 2010 USDA Dietary Guidelines for Americans (DGA) recommends a diet largely composed of fruit and vegetables. Consuming a diet high in fruit and vegetables and low in refined carbohydrates and saturated fat may reduce an individual’s risk for type 2 diabetes, nonalcoholic fatty liver disease, low-grade chronic inflammation, and metabolic syndrome (MetS). Several recent studies have implicated the bioactive sphingolipid ceramide as an associative and causative biomarker for the development of these conditions. Considering that the intake of fruit and vegetables is frequently inadequate in young adults, we performed a pilot investigation to assess the efficacy of a free-living …