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Full-Text Articles in Engineering

Angiotensin Ii-Induced Hypertension In Apolipoprotein E-Deficient Rats, Sydney N. Gorman, Craig J. Goergen, A Nicole Blaize Aug 2015

Angiotensin Ii-Induced Hypertension In Apolipoprotein E-Deficient Rats, Sydney N. Gorman, Craig J. Goergen, A Nicole Blaize

The Summer Undergraduate Research Fellowship (SURF) Symposium

Abdominal aortic aneurysms (AAAs) are characterized by a weakened vessel wall and a diameter 50% greater than normal. AAA are usually asymptomatic until they are near rupturing, which can be fatal if not treated immediately. Apolipoprotein E-deficient (ApoE) mice are commonly used as a model to study aneurysm growth. Our lab has created a similar model using rats, which are more similar to humans. This study focuses on the analysis of blood pressures collected from ApoE rats for comparison with a known mouse model. Five ApoE rats (1 female, 4 males) received subcutaneous implants of osmotic mini pumps that released …


Changes In Vessel Properties During Early Progression Of Murine Abdominal Aortic Aneurysms From In Vivo Ultrasound, Luis R. Avila Murati, Evan H. Phillips, Craig J. Goergen Aug 2015

Changes In Vessel Properties During Early Progression Of Murine Abdominal Aortic Aneurysms From In Vivo Ultrasound, Luis R. Avila Murati, Evan H. Phillips, Craig J. Goergen

The Summer Undergraduate Research Fellowship (SURF) Symposium

Abdominal aortic aneurysms (AAA) are a common and frequently fatal disease characterized by the weakening and dilation of the aorta. The larger the aneurysm, the higher the chances are of rupturing and life-threatening hemorrhage. The aim of this study is to apply the angiotensin II (AngII) model of AAAs in male apolipoprotein-E-deficient mice (apoE-/- C57Bl/6J), in order to analyze, quantify, and understand the pathologies and characteristics associated with early AAA development. To date, many studies focusing on the evaluation of AAA characteristics have been performed ex vivo. Therefore, we focused on in vivo assessment, through the use of …