Abstract
Mesenchymal stem cells and smooth muscle cells in abdominal aortic aneurysm repair induced in rats by increase of MMP-2 and MMP-9 expressionAbdominal aortic aneurysm (AAA) is defined as a dilatation of the abdominal aorta that exceeds 50% of the normal diameter. The AAAs were considered biomechanical problems resulting in irreversible structural lesions, with weakening and progressive dil…