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CD30 expression identifies a functional alloreactive human T-lymphocyte subset. 1998

O M Martinez, and J Villanueva, and S Abtahi, and P R Beatty, and C O Esquivel, and S M Krams
Department of Surgery, Stanford University School of Medicine, California, USA.

BACKGROUND CD30 is a member of the tumor necrosis factor/nerve growth factor receptor family and has been proposed as a marker of specific cytokine-producing subsets in humans. Previous studies have examined the expression of CD30 on established T helper type 1 and T helper type 2 cell clones and the function of CD30+ cells after mitogenic stimulation. In this study, we examined the development and function of CD30+ T cells generated in response to alloantigen. METHODS Primary one-way mixed lymphocyte reactions were established, and the expression of CD30 on T lymphocytes was determined by immunofluorescence and flow cytometry. Fluorescence-activated cell sorting was utilized to define the cytokine profile of alloactivated CD30+ cells after restimulation with anti-CD3 monoclonal antibodies or alloantigen. The effect of cyclosporine on the development of CD30+ cells, and on cytokines produced by CD30+ T lymphocytes, in response to alloantigen was determined. RESULTS CD30+ T lymphocytes could be detected on day 2 of mixed lymphocyte reactions and continued to increase in number and proportion through day 6. Both CD4 and CD8 T cells expressed CD30 after primary alloantigenic stimulation. CD30+ T cells are a subset of alloactivated T cells and are the major source of interferon-gamma and interleukin-5 produced in response to alloantigen. Cyclosporine partially, but not completely, inhibits the development of CD30+ cells, and has a greater effect on interferon-gamma production than on interleukin-5 production. CONCLUSIONS CD30+ T lymphocytes may constitute an important immunoregulatory subset in human allograft rejection.

UI MeSH Term Description Entries
D007166 Immunosuppressive Agents Agents that suppress immune function by one of several mechanisms of action. Classical cytotoxic immunosuppressants act by inhibiting DNA synthesis. Others may act through activation of T-CELLS or by inhibiting the activation of HELPER CELLS. While immunosuppression has been brought about in the past primarily to prevent rejection of transplanted organs, new applications involving mediation of the effects of INTERLEUKINS and other CYTOKINES are emerging. Immunosuppressant,Immunosuppressive Agent,Immunosuppressants,Agent, Immunosuppressive,Agents, Immunosuppressive
D007371 Interferon-gamma The major interferon produced by mitogenically or antigenically stimulated LYMPHOCYTES. It is structurally different from TYPE I INTERFERON and its major activity is immunoregulation. It has been implicated in the expression of CLASS II HISTOCOMPATIBILITY ANTIGENS in cells that do not normally produce them, leading to AUTOIMMUNE DISEASES. Interferon Type II,Interferon, Immune,gamma-Interferon,Interferon, gamma,Type II Interferon,Immune Interferon,Interferon, Type II
D007376 Interleukin-2 A soluble substance elaborated by antigen- or mitogen-stimulated T-LYMPHOCYTES which induces DNA synthesis in naive lymphocytes. IL-2,Lymphocyte Mitogenic Factor,T-Cell Growth Factor,TCGF,IL2,Interleukin II,Interleukine 2,RU 49637,RU-49637,Ro-23-6019,Ro-236019,T-Cell Stimulating Factor,Thymocyte Stimulating Factor,Interleukin 2,Mitogenic Factor, Lymphocyte,RU49637,Ro 23 6019,Ro 236019,Ro236019,T Cell Growth Factor,T Cell Stimulating Factor
D007519 Isoantigens Antigens that exist in alternative (allelic) forms in a single species. When an isoantigen is encountered by species members who lack it, an immune response is induced. Typical isoantigens are the BLOOD GROUP ANTIGENS. Alloantigens,Alloantigen,Isoantigen
D007700 Kinetics The rate dynamics in chemical or physical systems.
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D015496 CD4-Positive T-Lymphocytes A critical subpopulation of T-lymphocytes involved in the induction of most immunological functions. The HIV virus has selective tropism for the T4 cell which expresses the CD4 phenotypic marker, a receptor for HIV. In fact, the key element in the profound immunosuppression seen in HIV infection is the depletion of this subset of T-lymphocytes. T4 Cells,T4 Lymphocytes,CD4-Positive Lymphocytes,CD4 Positive T Lymphocytes,CD4-Positive Lymphocyte,CD4-Positive T-Lymphocyte,Lymphocyte, CD4-Positive,Lymphocytes, CD4-Positive,T-Lymphocyte, CD4-Positive,T-Lymphocytes, CD4-Positive,T4 Cell,T4 Lymphocyte
D015848 Interleukin-5 A cytokine that promotes differentiation and activation of EOSINOPHILS. It also triggers activated B-LYMPHOCYTES to differentiate into IMMUNOGLOBULIN-secreting cells. B-Cell Growth Factor-II,Eosinophil Differentiation Factor,IL-5,T-Cell Replacing Factor,BCGF-II,Differentiation Factor, Eosinophil,IL5,T-Cell-Replacing Factor,B Cell Growth Factor II,Interleukin 5,Replacing Factor, T-Cell,T Cell Replacing Factor
D016176 T-Lymphocyte Subsets A classification of T-lymphocytes, especially into helper/inducer, suppressor/effector, and cytotoxic subsets, based on structurally or functionally different populations of cells. T-Cell Subset,T-Cell Subsets,T-Lymphocyte Subset,Subset, T-Cell,Subset, T-Lymphocyte,Subsets, T-Cell,Subsets, T-Lymphocyte,T Cell Subset,T Cell Subsets,T Lymphocyte Subset,T Lymphocyte Subsets
D016207 Cytokines Non-antibody proteins secreted by inflammatory leukocytes and some non-leukocytic cells, that act as intercellular mediators. They differ from classical hormones in that they are produced by a number of tissue or cell types rather than by specialized glands. They generally act locally in a paracrine or autocrine rather than endocrine manner. Cytokine

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