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OLS Field Name OLS Field Data
Main Title Human Alveolar and Peritoneal Macrophages Mediate Fungistasis Independently of L-Arginine Oxidation to Nitrite or Nitrate.
Author Cameron, M. L. ; Granger, D. L. ; Weinberg, J. B. ; Kozumbo, W. J. ; Koren., H. S. ;
CORP Author Health Effects Research Lab., Research Triangle Park, NC.
Publisher c1990
Year Published 1990
Report Number EPA/600/J-90/520;
Stock Number PB91-206920
Additional Subjects Macrophages ; Immunology ; Arginine ; Nitrates ; Nitrites ; Oxidation ; Fungicides ; Pulmonary alveoli ; Peritoneal cavity ; Cryptococcus neoformans ; Endotoxins ; Interferon type II ; Liquid chromatography ; Phagocytosis ; Biosynthesis ; Reprints ;
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Status
NTIS  PB91-206920 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. 09/04/1991
Collation 9p
Abstract Human alveolar macrophages (HAM) from 28 normal volunteers were found to inhibit replication of Cryptococcus neoformans. Conditions under which fungistasis occurred were different than those required for mouse peritoneal macrophage-mediated fungistasis. Inhibition of fungal replication by mouse peritoneal macrophages (MPM) requires that the macrophages are activated and that the cocultures of C. neoformans and macrophages be done in the presence of serum, L-arginine, and endotoxin. HAM-mediated fungistasis was not enhaced by endotoxin or by recombinant human interferon-gamma (rHIFN-gamma). The combination of endotoxin and rHIFN-gamma inhibited the fungistatic effect of HAM. Human peritoneal macrophages (HPM) from women undergoing laparoscopy were tested for fungistasis and L-arginine nitrogen oxidation. Partial inhibition of cryptococcal replication occurred; however, there was no evidence of L-arginine metabolism to NO2- or NO3-. The absence of L-arginine-dependent nitrogen oxidation in HAM and HPM, compared to MPM, during conditions under which fungistasis occurs suggests that the phenomenon is species specific rather than specific to the tissue origin of the macrophages.
Supplementary Notes Pub. in American Review of Respiratory Disease, v142 n6 p1313-1319 Dec 90.
NTIS Title Notes Journal article.
Title Annotations Reprint: Human Alveolar and Peritoneal Macrophages Mediate Fungistasis Independently of L-Arginine Oxidation to Nitrite or Nitrate.
Category Codes 57J; 57F; 57B
NTIS Prices PC A02/MF A01
Primary Description 600/10
Document Type NT
Cataloging Source NTIS/MT
Control Number 122133930
Origin NTIS
Type CAT