Alterations in interleukin secretion (IL-2 and IL-4) by CD4 and CD4 CD45RO cells from common variable immunodeficiency (CVI) patients

Author:

Ferrer J M1,Iglesias J1,HernÁNdez M2,Matamoros N1

Affiliation:

1. Immunology Section, Hospital Son ‘Dureta’, Palma de Mallorca, Spain

2. Immunology Section, Hospital Vall D'Hebrón, Barcelona, Spain

Abstract

SUMMARY The failure of B cells from CVI patients to secrete normal amounts of antibodies has been attributed either to an intrinsic B cell defect or to a lack of cooperation from T cells. In an attempt to improve the definition of the origin of this defect in one of the main cellular compartments, we studied the ability of helper CD4 cells and their CD4 CD45RO subpopulation from CVI patients to secrete interleukins (IL-2 and IL-4) in response to mitogen stimulation. We found that CD4 and CD4 CD45RO cells from some patients secrete abnormal amounts of interleukins (in general low levels of IL-2 and high levels of IL-4) upon stimulation with pokeweed mitogen (PWM). These irregularities may contribute to the defective differentiation of B cells in these patients.

Publisher

Oxford University Press (OUP)

Subject

Immunology,Immunology and Allergy

Reference15 articles.

1. Cellular abnormalities in CVI;Spickett;Immunodef Rev,1990

2. Lymphocyte surface phenotype in common variable immunodeficiency;Spickell;Disease Markers,1992

3. Study of B and T cell phenotypes in blood from patients with common variable immunodeficiency (CVID);Farrant;Immunodeficiency,1994

4. B cell function in acquired “CVI” hypogammaglobulinemia: proliferative responses to lymphokines;Farrant;Clin Immunol Immunopathol,1989

5. Interleukin 10 and immune restoration in common variable immunodeficiency;Zielen;Lancet,1993

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