Citations to this article
Abstract
Isolated human polymorphonuclear leukocytes were found to contain two distinct superoxide dismutases, electrophoretically identical to the superoxide dismutases found in other human tissues. One is inhibited by cyanide and is located in the cytosol. The other is not inhibited by cyanide and is mitochondrial. These findings disagree with reports by other laboratories, which did not find the cyanide-sensitive cytoplasmic enzyme. The superoxide dismutase-containing preparation of leukocytes released large amounts of superoxide into the medium when the cells were phagocytizing, suggesting that, if the cell population is homogeneous, superoxide production probably takes place on the outer surface of the cell membrane, in addition to inside the phagocytic vacuole.
Authors
Marvin L. Salin, Joe M. McCord
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Citations to this article in year 2001 (4)
| Title and authors | Publication | Year |
|---|---|---|
|
Catalase and superoxide dismutase activity in ammonia-oxidising bacteria
NJ Wood, J Sørensen |
FEMS Microbiology Ecology | 2001 |
|
The second STE12 homologue of Cryptococcus neoformans is MATa-specific and plays an important role in virulence
YC Chang, LA Penoyer, KJ Kwon-Chung |
Proceedings of the National Academy of Sciences | 2001 |
|
Differential production of superoxide dismutase and catalase isozymes during infection of wheat by a Fusarium proliferatum -like fungal isolate
SI Kwon, AJ Anderson |
Physiological and Molecular Plant Pathology | 2001 |
|
Cloning and Characterization of Three Differentially Expressed Peroxidoxin Genes from Leishmania chagasi: EVIDENCE FOR AN ENZYMATIC DETOXIFICATION OF HYDROXYL RADICALS
SD Barr, L Gedamu |
The Journal of biological chemistry | 2001 |
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