M. Negita et al., HUMAN SUPEROXIDE-DISMUTASE CDNA TRANSFECTION AND ITS IN-VITRO EFFECT ON COLD PRESERVATION, Biochemical and biophysical research communications, 218(3), 1996, pp. 653-657
In order to elucidate the role of superoxide dismutase (SOD) on ischem
ia-reperfusion injury, bovine and porcine aortic endothelial cells wer
e transfected with retroviral vector LSODRNL containing human Cu,Zn-SO
D cDNA and their SOD activities were evaluated by measuring superoxide
scavenging capability. Successful augmentation of Cu,Zn-SOD up to 2.7
-fold in bovine and 1.9-fold in porcine cells was obtained. After 24 h
cold preservation followed by 4 h rewarming, cell viability compared
with that of pre-preservation was significantly increased in both type
s of cells (P < 0.01). Moreover, after exposure to superoxide, viabili
ty of the porcine cells with high SOD activity was significantly impro
ved compared to control cells. We consider that transfection of human
Cu,Zn-SOD cDNA to arterial endothelial cells is useful for preventing
from cold preservation-rewarming or ischemia-reperfusion injury. (C) 1
996 Academic Press, Inc