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Full-Text Articles in Life Sciences

Lysine Mediation Of Neuroendocrine Food Regulation In Guinea Fowl, Ashley C. Payne, Xiaofei Wang, Michael T. Ivy, A. Stewart, Kiimya Nelson, Carl E. Darris, Samuel N. Nahashon Dec 2019

Lysine Mediation Of Neuroendocrine Food Regulation In Guinea Fowl, Ashley C. Payne, Xiaofei Wang, Michael T. Ivy, A. Stewart, Kiimya Nelson, Carl E. Darris, Samuel N. Nahashon

Biology Faculty Research

In poultry, obesity is partly influenced by food intake, and is increasingly becoming a nationwide problem. Hypothalamic food intake mechanisms are involved metabolically and neurologically via two peptide hormones, leptin and ghrelin, and the amino acid glutamate, which is enzymatically derived from lysine metabolism. We hypothesize that lysine homeostasis mediates regulation of feed intake and performance characteristics via the brain–liver axis through glutamate sensing. The objective was to examine the effects of lysine homeostasis in avian food regulation and performance through neuroendocrine signaling. One-day-old male French Guinea fowl (GF) keets (n = 270) were weighed and randomly assigned to 5 …


Basal Diet Determined Long-Term Composition Of The Gut Microbiome And Mouse Phenotype To A Greater Extent Than Fecal Microbiome Transfer From Lean Or Obese Human Donors, Daphne Michelle Rodriguez Jimenez, Abby D. Benninghoff, Niklas D.J. Aardema, Sumira Phatak, Korry J. Hintze Jul 2019

Basal Diet Determined Long-Term Composition Of The Gut Microbiome And Mouse Phenotype To A Greater Extent Than Fecal Microbiome Transfer From Lean Or Obese Human Donors, Daphne Michelle Rodriguez Jimenez, Abby D. Benninghoff, Niklas D.J. Aardema, Sumira Phatak, Korry J. Hintze

Animal, Dairy, and Veterinary Science Faculty Publications

The Western dietary pattern can alter the gut microbiome and cause obesity and metabolic disorders. To examine the interactions between diet, the microbiome, and obesity, we transplanted gut microbiota from lean or obese human donors into mice fed one of three diets for 22 weeks: (1) a control AIN93G diet; (2) the total Western diet (TWD), which mimics the American diet; or (3) a 45% high-fat diet-induced obesity (DIO) diet. We hypothesized that a fecal microbiome transfer (FMT) from obese donors would lead to an obese phenotype and aberrant glucose metabolism in recipient mice that would be exacerbated by consumption …


Associations Of Adiposity And Diet Quality With Serum Ceramides In Middle-Aged Adults With Cardiovascular Risk Factors, Margaret A. Drazba, Ida Holaskova, Nadine R. Sahyoun, Melissa Ventura Marra May 2019

Associations Of Adiposity And Diet Quality With Serum Ceramides In Middle-Aged Adults With Cardiovascular Risk Factors, Margaret A. Drazba, Ida Holaskova, Nadine R. Sahyoun, Melissa Ventura Marra

Faculty & Staff Scholarship

Rates of adverse cardiovascular events have increased among middle-aged adults. Elevated ceramides have been proposed as a risk factor for cardiovascular events. Diet quality and weight status are inversely associated with several traditional risk factors; however, the relationship to ceramides is less clear. This study aimed to determine associations of adiposity and diet quality with circulating ceramides in middle-aged adults (n = 96). Diet quality was estimated using the Healthy Eating Index 2015 (HEI-2015). Serum ceramide concentrations were determined by liquid chromatography–mass spectrometry. A ceramide risk score was determined based on ceramides C16:0, C18:0, and C24:1 and their ratios to …


Assessment Of Asymmetric Dimethyl Arginine, Cardiac Troponin I, Thyroxine, Cholesterol, And Triglyceride Levels In Obese Dogs And Dogs With Normal Body Condition, Hüseyi̇n Ci̇han, Merve Tural Jan 2019

Assessment Of Asymmetric Dimethyl Arginine, Cardiac Troponin I, Thyroxine, Cholesterol, And Triglyceride Levels In Obese Dogs And Dogs With Normal Body Condition, Hüseyi̇n Ci̇han, Merve Tural

Turkish Journal of Veterinary & Animal Sciences

The aim of this study was to assess serum asymmetric dimethyl arginine (ADMA), cardiac troponin I (cTnI), thyroxine (T4), cholesterol and triglyceride (TG) levels in dogs with normal body condition and obese dogs. A total of 40 dogs (n = 40) were included in the study and dogs were divided into two groups; 20 dogs with normal body condition and 20 obese dogs. The dogs were grouped according to the five-point body-condition scoring (BCS) system. Serum ADMA, cTnI, T4, cholesterol, and TG levels were measured in addition to routine biochemical parameters. Serum ADMA, cTnI, TG, and cholesterol levels were statistically …