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Dissertation - University Access Only
Doctor of Philosophy (PhD)
Biology and Microbiology
Natural induction modes of chronic inflammation associated with obesity (CIAO) are difficult to characterize and even more difficult to replicate in humans due to interand intra-variation in individuals and initiating conditions. Variables that can influence resistance to the development of CIAO include internal and external factors (e.g. environmental elements, omnivore diet, gastrointestinal tract breach, age, metabolic and immune status, and genetics). Microbial lipopolysaccharide (LPS) translocation from the gastrointestinal tract into systemic circulation may play a role in the development of diseases characterized by CIAO. Therefore, markers or characteristics of an altered immune response induced by LPS may provide some clues to the development of CIAO. Translational medical research relies upon animal models for studying complex human conditions, such as CIAO. Simpler rodent models assist in unraveling certain biological connections, but their predictive value for devising appropriate and effective treatments for human disease or health condition is often lacking. Swine are often used in translational biomedical research because they share many similar characteristics with humans, thus, swine are proving invaluable in bridging the gap between rodents and humans. Evidence from naturally occurring chronic inflammation (CI) has led to the possibility of experimentally inducing CI in swine via LPS. A porcine model of chronic inflammation may offer an intermediate model of study between rodents and humans. Limitations exist in analytical methods used to measure small changes in gene expression of inflammatory mediators reflective of CI. Small changes may be disregarded as background noise due to the limitations of sensitivity and specificity inherent to a specific assay. As a result, current efforts are underway to develop and characterize an exogenous reference control to be used to correct for sample-to-sample variation in real time PCR. Additionally, the ongoing development of suitable analytical methods is of great importance and a critical need, which would further assist in the development of an appropriate translational animal model.
Library of Congress Subject Headings
Swine as laboratory animals
Polymerase chain reaction
Includes bibliographical references
Number of Pages
South Dakota State University
In Copyright - Non-Commercial Use Permitted
Clapper, Joan, "Safety of Slow Release Lipopolysaccharide (LPS) Pellet in a Swine Model and Development of an Exogenous Reference Control for Real Time PCR" (2014). Electronic Theses and Dissertations. 1555.