Title : Nicotinamide inhibits nitric oxide synthase mRNA induction in activated macrophages.

Pub. Date : 1994 Jan 1

PMID : 7506533






3 Functional Relationships(s)
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1 We found that nicotinamide, an inhibitor of ADP-ribosylation, prevented NO synthase induction in RAW 264.7 cells after stimulation with interferon gamma (IFN-gamma) and lipopolysaccharide (LPS). Niacinamide interferon gamma Mus musculus
2 Furthermore, the level of NO synthase mRNA was measured by Northern-blot analysis and we found that nicotinamide prevents expression of NO synthase mRNA in IFN-gamma- and LPS-stimulated cells. Niacinamide interferon gamma Mus musculus
3 Nicotinamide was also found to inhibit other macrophage functions expressed in response to IFN-gamma, i.e. tumour necrosis factor secretion and the expression of the Ia antigen of the major histocompatibility complex. Niacinamide interferon gamma Mus musculus