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Full-Text Articles in Medicine and Health Sciences

On The Genetic And Environmental Associations Between Body Composition, Depression Symptoms And Smoking Behavior., Roseann Peterson Oct 2012

On The Genetic And Environmental Associations Between Body Composition, Depression Symptoms And Smoking Behavior., Roseann Peterson

Theses and Dissertations

Obesity is a serious public health crisis and recent estimates of its incidence are the highest in United States history, with 35% and 17% of American adults and children affected, respectively. The clinical definition of adult obesity is operationalized as a body mass index (BMI) greater than 30 kg/m2. Although the prevalence of common obesity has increased dramatically over the past 30 years–largely thought to be due to changes in the environment, such as high calorie diets and sedentary lifestyles—twin and family studies have shown consistently that relative body weight is under considerable genetic influence in both children and adults, …


Effects Of Adipocyte Deficiency Of Angiotensin Type 1a Receptors In Models Of Obesity And Hypercholesterolemia, Kelly Anne Putnam Jan 2012

Effects Of Adipocyte Deficiency Of Angiotensin Type 1a Receptors In Models Of Obesity And Hypercholesterolemia, Kelly Anne Putnam

Theses and Dissertations--Nutritional Sciences

Adipocytes express angiotensin II (AngII) receptors; however the direct effects of AngII at the adipocyte remain unclear. Knockout mouse models of renin-angiotensin system components exhibit reduced body weight, reduced adiposity, improved glucose tolerance, and improved blood pressure when fed high fat diets, which may be due to reduced action of AngII through the AT1aR in adipocytes. Additionally, hypercholesterolemic AT1aR deficient mice are protected from AngII-induced increases in atherosclerosis and abdominal aortic aneurysm (AAA) formation. We hypothesized that deficiency of AT1aR in adipocytes would reduce the development of obesity, obesity-induced disorders, and vascular diseases. To test this hypothesis, we created a …


Using Mouse Models To Investigate Ciliopathies, Raymond Carl Pasek Jan 2012

Using Mouse Models To Investigate Ciliopathies, Raymond Carl Pasek

All ETDs from UAB

Cilia and flagella are microtubule based organelles found on nearly every cell type in the mammalian body. Flagella have an essential role in sperm locomotion and reproduction, while motile cilia have a known role in fluid movement in the brain, lungs, and portions of the female reproductive tract. While the role of most primary cilia remained unknown for decades, they are now recognized as being essential to mammalian development, renal homeostasis, and satiety, just to name a few. Because of their widespread presence and importance, dysfunction of cilia and flagella can lead to a variety of human diseases, collectively referred …