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1989•Scandinavian Journal of ImmunologyRequires access

Selective Killing of CD4+ and CD8+ Cells with Immunotoxins Containing Saporin

L Barbieri, Andrea Bolognesi, Angelo Dinota, Douglas A. Lappi, Elio Andrés Soria, Pier Luigi Tazzari, Fiorenzo Stirpe

Open publisher page 20 citations

Abstract

Saporin, a ribosome-inactivating protein from the seeds of Saponaria officinalis, was covalently linked to an anti-CD4 monoclonal antibody. The resulting immunotoxin at 10(-9)M concentration was toxic to CD4+ lymphocytes without affecting other cells. Selective elimination of CD4+ and CD8+ cells was also obtained with murine monoclonal anti-CD4 and anti-CD8 antibodies and an immunotoxin consisting of saporin linked to an anti-mouse IgG antibody.

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What this paper is about

Saporin, a ribosome-inactivating protein from the seeds of Saponaria officinalis, was covalently linked to an anti-CD4 monoclonal antibody. The resulting immunotoxin at 10(-9)M concentration was toxic to CD4+ lymphocytes without affecting other cells. Selective elimination of CD4+ and CD8+ cells was also obtained with murine monoclonal anti-CD4 and anti-CD8 antibodies and an immunotoxin consisting of saporin linked to an anti-mouse IgG antibody.

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Available abstract

Saporin, a ribosome-inactivating protein from the seeds of Saponaria officinalis, was covalently linked to an anti-CD4 monoclonal antibody. The resulting immunotoxin at 10(-9)M concentration was toxic to CD4+ lymphocytes without affecting other cells. Selective elimination of CD4+ and CD8+ cells was also obtained with murine monoclonal anti-CD4 and anti-CD8 antibodies and an immunotoxin consisting of saporin linked to an anti-mouse IgG antibody.

Key concepts: Immunotoxin, Saporin, Ribosome-inactivating protein, Monoclonal antibody, Antibody, Molecular biology, Cytotoxic T cell, CD8

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