ArticleThe Biochemical journal2002
Regulation of phagosomal iron release from murine macrophages by nitric oxide.
Article in The Biochemical journal, 2002. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed, 12 citations in OpenAlex.
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The role of NO in macrophage iron turnover was studied in macrophages from inducible nitric oxide synthase (iNOS)-deficient mice. Interferon gamma/lipopolysaccharide (IFNgamma/LPS)-activated bone marrow-derived macrophages from iNOS-deficient mice, following phagocytosis of 59Fe-labelled transferrin-anti-transferrin immune complexes, showed reduced iron release compared with cells from wild-type iNOS littermates. Uptake of the complexes by macrophages was similar in iNOS-deficient and wild-type mice. Ferritin was up-regulated by IFNgamma/LPS treatment, but NO exercised a modest opposing down-regulatory effect. No effect of iNOS deficiency was seen when iron was taken up from iron citrate, which enters via a non-phagocytic route. These results suggest that NO plays a key role in regulating iron turnover in macrophages acquiring iron by phagocytosis of erythrocytes or cell debris, and thus the supply to peripheral tissues, such as to the bone marrow for erythropoiesis.
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