A specific sequence of stimulation is required to induce synthesis of the antimicrobial molecule nitric oxide by mouse macrophages

Author:

Lorsbach R B1,Russell S W1

Affiliation:

1. Wilkinson Laboratory of the Cancer Center, University of Kansas Medical Center, Kansas City 66160.

Abstract

Nitric oxide production by macrophages required either simultaneous or sequential exposure to gamma interferon and lipopolysaccharide; exposure to lipopolysaccharide followed by exposure to gamma interferon gave little response. The apparently evanescent nature of the lipopolysaccharide signal, necessitating persistent stimulation, could be essential to down-regulating nitric oxide production after bacteria are cleared in vivo.

Publisher

American Society for Microbiology

Subject

Infectious Diseases,Immunology,Microbiology,Parasitology

Reference19 articles.

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2. Release of reactive nitrogen intermediates and reactive oxygen intermediates from mouse peritoneal macrophages. Comparison of activating cytokines and evidence for independent production;Ding A. H.;J. Immunol.,1988

3. Leishmania major amastigotes initiate the L-arginine-dependent killing mechanism in IFN--y-stimulated macrophages by induction of tumor necrosis factor-a;Green S. J.;J. Immunol.,1990

4. Activated macrophages destroy intracellular Leishmania major amastigotes by an L-arginine-dependent killing mechanism;Green S. J.;J. Immunol.,1990

5. Nitric oxide: a cytotoxic activated macrophage effector molecule;Hibbs J. B.;Biochem. Biophys. Res. Commun.,1988

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