title: Effect of radon exposure on superoxide dismutase (SOD) activity in rats.
abstract: Effect of radon exposure on the activities of superoxide dismutase (SOD) in blood, kidney, liver and spleen of male Wistar rats were investigated. Radon exposure was carried out in a newly developed chamber with 226Ra as the radon source. SOD activity, measured by the spin trap method using an electron spin resonance spectrometer, increased greatly in liver and kidney after 4 hour exposure whereas it decreased significantly after 16 hour exposure. Despite approximately same total doses by the radon exposure, the stimulated SOD activity after 4 hour exposure was not observed after 16 hour exposure in kidney, liver and spleen except blood, suggesting that the stimulating effect could last for a short period.
authors.affiliation: Department of Experimental Radiology, Shiga University of Medical Science, Japan.
authors.forename: J
authors.initials: J
authors.lastname: Ma
authors.forename: H
authors.initials: H
authors.lastname: Yonehara
authors.forename: M
authors.initials: M
authors.lastname: Ikebuchi
authors.forename: T
authors.initials: T
authors.lastname: Aoyama
mesh_terms: D000818:Animals; D007668:Kidney / Q000201:enzymology / Q000528:radiation effects; D008099:Liver / Q000201:enzymology / Q000528:radiation effects; D008297:Male; D011886:Radon; D051381:Rats; D017208:Rats, Wistar; D013482:Superoxide Dismutase / Q000378:metabolism / Q000528:radiation effects*
chemical_list: D013482:Superoxide Dismutase; D011886:Radon