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Biological agents such as the interferons (IFNs) or lipopolysaccharides (LPSs) can prime phagocytic cells to generate increased amounts of oxygen metabolites upon exposure to various stimuli. The priming of human peripheral blood monocytes and alveolar macrophages (AM) by recombinant IFN-beta ser (rIFN-beta ser) and rIFN-gamma for an enhanced respiratory burst was compared. Both rIFN-beta ser and rIFN-gamma increased phorbol myristate acetate-stimulated superoxide anion generation by AM in a dose-dependent fashion. rIFN-beta ser was capable of priming AM for an enhanced superoxide anion release nearly as well as rIFN-gamma. In contrast, rIFN-beta ser was much less effective as a priming agent for monocytes when compared to either its effect on AM or to the priming effect of rIFN-gamma on monocytes. The respiratory burst of IFN-exposed AM was not inhibited by co-incubation with low concentrations of LPS. However, the ability of IFN to augment superoxide anion release by cells simultaneously exposed to LPS in comparison to superoxide anion generation by cells exposed to LPS only was attenuated.
K C Meyer, and
C Powers, and
R Cornwell, and
E C Borden
May 1992,
APMIS : acta pathologica, microbiologica, et immunologica Scandinavica,
K C Meyer, and
C Powers, and
R Cornwell, and
E C Borden
May 1993,
American journal of respiratory cell and molecular biology,
K C Meyer, and
C Powers, and
R Cornwell, and
E C Borden
May 1989,
The American journal of physiology,
K C Meyer, and
C Powers, and
R Cornwell, and
E C Borden
January 1986,
Annals of the New York Academy of Sciences,
K C Meyer, and
C Powers, and
R Cornwell, and
E C Borden
May 1980,
Clinical and experimental immunology,
K C Meyer, and
C Powers, and
R Cornwell, and
E C Borden
February 1998,
Immunopharmacology and immunotoxicology,
K C Meyer, and
C Powers, and
R Cornwell, and
E C Borden
May 1981,
Experimental lung research,
K C Meyer, and
C Powers, and
R Cornwell, and
E C Borden
September 1986,
The American review of respiratory disease,
K C Meyer, and
C Powers, and
R Cornwell, and
E C Borden
September 1987,
Inflammation,
K C Meyer, and
C Powers, and
R Cornwell, and
E C Borden
September 1984,
Inflammation,
