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University of Kentucky

Medicine and Health Sciences

Abdominal aortic aneurysm (AAA)

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Role Of Cyclooxygenase-2 In Abdominal Aortic Aneurysms In Mice, Kamalika Mukherjee Jan 2012

Role Of Cyclooxygenase-2 In Abdominal Aortic Aneurysms In Mice, Kamalika Mukherjee

Theses and Dissertations--Pharmacy

Abdominal aortic aneurysm (AAA) is a chronic inflammatory disease with no available pharmacological treatment. AAA formation reduces the structural integrity of the vessel and increases the susceptibility to rupture. The inflammatory response within human aneurysmal tissue is characterized by increased expression of cyclooxygenase-2 (COX-2). Similarly, in a mouse model of the disease induced by chronic Angiotensin II (AngII) infusion, we have shown that COX-2 expression in the abdominal aortic smooth muscle layer increases early in the development of the disease. Furthermore, genetic or pharmacological inactivation of COX-2 prior to disease initiation reduces AAA incidence.

The current study utilized nonhyperlipidemic mice ...