Gammopathy in Hamsters with Xenogeneic Tumours

A PREVIOUS communication described the heterotransplantation of human heteroploid cells derived from a prostatic adenoma (MA 160) into nonimmunosuppressed 2-d-old hamsters1. Most animals receiving subcutaneous implants of 107 cells rejected them after 14 d (regressors). In some (27%), however, there...

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Veröffentlicht in:Nature. New biology (London) 1973-10, Vol.245 (144), p.158-160
Hauptverfasser: RICHMAN, ALAN VE, DEFENDI, VITTORIO
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DEFENDI, VITTORIO
description A PREVIOUS communication described the heterotransplantation of human heteroploid cells derived from a prostatic adenoma (MA 160) into nonimmunosuppressed 2-d-old hamsters1. Most animals receiving subcutaneous implants of 107 cells rejected them after 14 d (regressors). In some (27%), however, there was progressive tumour growth (persistors). This was associated with morphological signs of immunological stimulation as evidenced by a pronounced proliferation of plasma cells in lymph nodes, hepatic portal areas, spleen and kidneys. One biological expression of this proliferation was the presence of antibody directed against membrane antigens of living MA160 cells. At the time of peak tumour growth, fluorescent antibody titres as large as 1:1,280 were demonstrated in sera from animals with large tumours.
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Most animals receiving subcutaneous implants of 107 cells rejected them after 14 d (regressors). In some (27%), however, there was progressive tumour growth (persistors). This was associated with morphological signs of immunological stimulation as evidenced by a pronounced proliferation of plasma cells in lymph nodes, hepatic portal areas, spleen and kidneys. One biological expression of this proliferation was the presence of antibody directed against membrane antigens of living MA160 cells. At the time of peak tumour growth, fluorescent antibody titres as large as 1:1,280 were demonstrated in sera from animals with large tumours.</description><identifier>ISSN: 0090-0028</identifier><identifier>EISSN: 2058-1092</identifier><identifier>DOI: 10.1038/newbio245158a0</identifier><identifier>PMID: 4200666</identifier><language>eng</language><publisher>London: Nature Publishing Group UK</publisher><subject>Adenoma ; Animals ; Biomedical and Life Sciences ; Blood Protein Electrophoresis ; Cell Line ; Cricetinae ; Fluorescent Antibody Technique ; Humans ; Hypergammaglobulinemia - etiology ; Immunodiffusion ; Immunoelectrophoresis ; Immunoglobulin G - analysis ; letters-to-editor ; Life Sciences ; Male ; Neoplasm Transplantation ; Neoplasms, Experimental - complications ; Neoplasms, Experimental - immunology ; Prostatic Neoplasms ; Transplantation, Heterologous</subject><ispartof>Nature. 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subjects Adenoma
Animals
Biomedical and Life Sciences
Blood Protein Electrophoresis
Cell Line
Cricetinae
Fluorescent Antibody Technique
Humans
Hypergammaglobulinemia - etiology
Immunodiffusion
Immunoelectrophoresis
Immunoglobulin G - analysis
letters-to-editor
Life Sciences
Male
Neoplasm Transplantation
Neoplasms, Experimental - complications
Neoplasms, Experimental - immunology
Prostatic Neoplasms
Transplantation, Heterologous
title Gammopathy in Hamsters with Xenogeneic Tumours
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