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Infect Immun, May 1998, p. 2365-2367, Vol. 66, No. 5
0019-9567/98/$04.00+0
Copyright © 1998, American Society for Microbiology. All rights reserved.
Lipoprotein(a) Inhibits Lipopolysaccharide-Induced
Tumor Necrosis Factor Alpha Production by Human Mononuclear
Cells
Mihai G.
Netea,
Natasja
de Bont,
Pierre N. M.
Demacker,
Bart Jan
Kullberg,
Liesbeth E. H.
Jacobs,
Trees J. G.
Verver-Jansen,
Anton F. H.
Stalenhoef, and
Jos W. M.
Van der Meer*
Division of General Internal Medicine,
Department of Medicine, University Hospital Nijmegen, 6500 HB
Nijmegen, The Netherlands
Received 13 November 1997/Returned for modification 15 December
1997/Accepted 3 February 1998
Lipoproteins can bind lipopolysaccharide (LPS) and decrease
LPS-stimulated cytokine production. Lipoprotein(a) [Lp(a)] was as
potent as low-density lipoproteins (LDL) in inhibiting LPS-stimulated tumor necrosis factor synthesis by human mononuclear cells. The kinetics of LPS inhibition by Lp(a) was similar to that of LDL. This
suggests that circulating Lp(a) may be an important factor determining
the amplitude of the response to LPS in humans.
*
Corresponding author. Mailing address: Department of
Medicine (541), University Hospital Nijmegen, P.O. Box 9101, 6500 HB Nijmegen, The Netherlands. Phone: 31-24-3614763/3614782. Fax: 31-24-3541734. E-mail: j.vandermeer{at}aig.azn.nl.
Infect Immun, May 1998, p. 2365-2367, Vol. 66, No. 5
0019-9567/98/$04.00+0
Copyright © 1998, American Society for Microbiology. All rights reserved.
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