... brain autopsy and biopsy samplesfound significant change in one of the genes, indicating that asubstantial proportion of all expressed genes could beaffected by death [10].We surveyed gene expression ... SJ, Choudary PV, Li J, Over-man KM, Atz ME, Myers RM, Jones EG, et al.: Effect of agonal andpostmortem factors on gene expression profile: quality con-trol in microarray analyses of postmortem ... suitablefor gene expression studies. Without any prolonged agonalconditions, however, death itself may alter gene expressionpatterns in postmortem human brains. Study of expressionlevels of 14 genes...