Inhibitory effect of a low dose of prednisone on PHA-induced Ia antigen expression by human T cells and on proliferation of T cells stimulated with autologous PHA-T cells

F. Indiveri, M. Scudeletti, D. Pende, A. Barabino, C. Russo, M. A. Pellegrino, S. Ferrone

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Abstract

Administration of a small dose of prednisone markedly reduced (1) the PHA-induced expression of Ia antigens by T cells, (2) the stimulatory activity of Ia antigen-bearing T cells in autologous and allogeneic mixed lymphocyte reactions (MLRs), and (3) the proliferative response of T cells stimulated with autologous PHA-activated T cells or autologous or allogeneic non-T cells. The inhibitory effects of prednisone are reversible and are not detectable on T cells isolated from blood drawn 24 hr following prednisone administration. The kinetics of the prednisone-mediated inhibition of MLRs with autologous PHA-T cells is different from that of MLRs with autologous non-T cells. These data in conjunction with the information available in the literature suggest that the mechanisms underlying these two types of autologous MLRs are different.

Original languageEnglish
Pages (from-to)320-328
Number of pages9
JournalCellular Immunology
Volume80
Issue number2
DOIs
Publication statusPublished - 1983

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Histocompatibility Antigens Class II
Prednisone
Mixed Lymphocyte Culture Test
Cell Proliferation
T-Lymphocytes

ASJC Scopus subject areas

  • Cell Biology
  • Immunology

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Inhibitory effect of a low dose of prednisone on PHA-induced Ia antigen expression by human T cells and on proliferation of T cells stimulated with autologous PHA-T cells. / Indiveri, F.; Scudeletti, M.; Pende, D.; Barabino, A.; Russo, C.; Pellegrino, M. A.; Ferrone, S.

In: Cellular Immunology, Vol. 80, No. 2, 1983, p. 320-328.

Research output: Contribution to journalArticle

Indiveri, F. ; Scudeletti, M. ; Pende, D. ; Barabino, A. ; Russo, C. ; Pellegrino, M. A. ; Ferrone, S. / Inhibitory effect of a low dose of prednisone on PHA-induced Ia antigen expression by human T cells and on proliferation of T cells stimulated with autologous PHA-T cells. In: Cellular Immunology. 1983 ; Vol. 80, No. 2. pp. 320-328.
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AU - Scudeletti, M.

AU - Pende, D.

AU - Barabino, A.

AU - Russo, C.

AU - Pellegrino, M. A.

AU - Ferrone, S.

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AB - Administration of a small dose of prednisone markedly reduced (1) the PHA-induced expression of Ia antigens by T cells, (2) the stimulatory activity of Ia antigen-bearing T cells in autologous and allogeneic mixed lymphocyte reactions (MLRs), and (3) the proliferative response of T cells stimulated with autologous PHA-activated T cells or autologous or allogeneic non-T cells. The inhibitory effects of prednisone are reversible and are not detectable on T cells isolated from blood drawn 24 hr following prednisone administration. The kinetics of the prednisone-mediated inhibition of MLRs with autologous PHA-T cells is different from that of MLRs with autologous non-T cells. These data in conjunction with the information available in the literature suggest that the mechanisms underlying these two types of autologous MLRs are different.

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