Table 1. The result of the luminal endothelial layer and the neck tissue HE staining in BM-EPC and control groups.

	Luminal endothelial layer covered aneurysm neck orifice	The number of labeled cells in the aneurysm neck	The organization of fibrous tissue in the aneurysm neck
BM-EPCs	↑↑	↑↑	↑↑
HUVEC: control	↑or (-)	↑ or (-)	↑or (-)
PBS: control	(-)	(-)	(-)

↑↑ =  increase, ↑ = miner increase and (-) =  no change.