Regulation of the Primary in Vitro Antibody Response in Human Peripheral Blood Lymphocytes: Different Effects of Mitogen-induced and Spontaneous T Suppressor Cells

Overview

Journal Clin Exp Immunol

Publisher Oxford University Press

Specialty Allergy & Immunology

Date 1979 Oct 1

PMID 316750

Citations 4

Authors

P Galanaud

M C Crevon

J F Delfraissy

P Segond

C Wallon

J Dormont

Affiliations

Soon will be listed here.

Abstract

The specific response of human peripheral blood lymphocyte cultures to TNP-polyacrylamide was suppressed by the addition of concanavalin A (Con A). A dose of Con A (0.5 microgram/ml) could be selected, which induced a reproducible but incomplete suppression independent of the magnitude of the anti-TNP response. Con A-stimulated cells could transfer the suppression to autologous or allogeneic responding cells. The suppressor activity was present in the E-rosette forming cell fraction and was abolished by mitomycin C treatment prior to incubation. With a particular batch of foetal bovine serum, spontaneous suppressor cells were produced which suppressed the response of autologous and allogeneic lymphocytes. In allogenic mixtures, the otherwise enhancing allogeneic effect was replaced by a marked suppression from spontaneous suppressor cells. This suppression was higher than that exerted on autologous lymphocytes, suggesting that an unexpected negative allogenic effect had taken place. Spontaneous suppressors were ineffective when added on day 2 of a culture responding to TNP-polyacrylamide, whereas Con A induced suppressors were fully effective.

Citing Articles

Delfraissy J, Galanaud P, Dormont J, Wallon C Clin Exp Immunol. 1980; 39(1):208-14.

PMID: 6966988 PMC: 1537933.

Inhibition of suppressor T cells in pokeweed mitogen-stimulated cultures of T and B cells by levamisole in vitro and in vivo.

Hersey P, Ho K, Werkmeister J, ABELE U Clin Exp Immunol. 1981; 46(2):340-9.

PMID: 6461457 PMC: 1536399.

Depressed primary in vitro antibody response in untreated systemic lupus erythematosus. T helper cell defect and lack of defective suppressor cell function.

Delfraissy J, Segond P, Galanaud P, Wallon C, MASSIAS P, Dormont J J Clin Invest. 1980; 66(1):141-8.

PMID: 6447163 PMC: 371515. DOI: 10.1172/JCI109827.

Impaired primary in-vitro antibody response in progressive systemic sclerosis patients: rôle of suppressor monocytes.

Segond P, Salliere D, Galanaud P, Desmottes R, MASSIAS P, Fiessinger J Clin Exp Immunol. 1982; 47(1):147-54.

PMID: 6212171 PMC: 1536373.

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