Philosophiae Doctor - PhD (Biotechnology)

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Identification of differentially expressed proteins in obese rats fed different high fat diets using proteomics and bioinformatics approaches
(2013) Gabuza, Kwazikwakhe; Ndimba, Bongani K.; Madiehe, Abram M.
Obesity is a medical condition in which an energy imbalance leads to excessive accumulation of body fat. Obesity leads to a reduction in life expectancy through its association with chronic diseases of lifestyle. The prevalence of obesity is rapidly increasing throughout the world. It is now accepted that most cases of obesity result from an interaction between genetic and environmental factors. This rapid increase in obesity generally leads to an increase in morbidity and mortality from chronic diseases such as cardiovascular disease, type 2 diabetes, osteoarthritis and cancer of which obesity is a risk factor. There is a lack of information in molecular research to explain how obesity predisposes individuals to these diseases. Proteomics is a molecular tool and a set of techniques used to identify changes at protein level from a diseased state. This study aims to identify differentially expressed proteins in serum of obese rats fed different isocaloric diets using proteomics.