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Proceedings of the National Academy of Sciences of the United States of America logoLink to Proceedings of the National Academy of Sciences of the United States of America
. 1994 Aug 30;91(18):8353–8357. doi: 10.1073/pnas.91.18.8353

A 92-kDa human immunostimulatory protein.

E Fontan 1, E Briend 1, H Saklani-Jusforgues 1, J d'Alayer 1, J Vandekerckhove 1, R M Fauve 1
PMCID: PMC44604  PMID: 8078887

Abstract

We purified to apparent homogeneity a human urinary glycoprotein of 92 kDa (HGP.92) that, administered intravenously at 250 micrograms/kg, fully protected mice against a lethal inoculum of Listeria monocytogenes. Since HGP.92 protected scid mice, which lack B and T lymphocytes, this increased resistance to Listeria did not appear to be lymphocyte mediated. Furthermore, inflammatory macrophages incubated with 6 nM HGP.92 inhibited the growth of Lewis carcinoma cells in vitro. These two activities appeared to depend on an oligosaccharide moiety, as they were lost after N-Glycanase treatment of HGP.92. Thus, the biological activity of HGP.92 was in some way related to a glycan moiety.

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Selected References

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