Proliferative, degradative smooth muscle cells promote aortic disease.

Abstract excerpt

Aneurysms are common in the abdominal and thoracic regions of the aorta and can cause death due to dissection or rupture. Traditionally, thoracic aortic aneurysms have been labeled as a degenerative disease, characterized by alterations in extracellular matrix and loss of smooth muscle cells (SMCs) in the medial layer of the aortic wall. In this issue of the JCI, Li and colleagues introduce an unconventional...

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