Study reveals major genetic differences between blood and tissue cells | Eureka! Science News: "AAA is one of the rare vascular diseases where tissue samples are removed as part of patient therapy. When they compared them, the researchers discovered major differences between BAK genes in blood cells and tissue cells coming from the same individuals, with the suspected disease 'trigger' residing only in the tissue. Moreover, the same differences were later evident in samples derived from healthy individuals."
Human mutation 30(7):1043-7, 2009 Jul
This is amazing! It raises questions about mutation in human diseases other tha cancer .. including atherosclerosis!