Aortic dissection(AD)is one of the most complex and dangerous cardiovascular diseases with the high morbidity and mortality.Its incidence is estimated at three to four per 100 000 per year.The main mechanisms of aortic dissection involve in degeneration of the aortic media,loss of elasticity of the aortic wall and subsequently rupture of the vasorum with hemorrhage into the underlying diseased aortic media.The pathogenesis of AD in terms of gene and protein level is more and more concerned.Several genes are...