Figure 6From: Regional expression of HOXA4 along the aorta and its potential role in human abdominal aortic aneurysmsImmunohistochemical staining for HOXA4 in human aorta. A, Representative images of intima, media, and adventitia of young and aged aortic tissue. Arrows indicate nuclear staining (black arrows) and punctuate, aggregate-like staining (white arrows). B, Enlarged frames of the boxed regions in A. Scale bar = 50 μm.Back to article page