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Suppression of human immunoglobulin E antibody production by a new naphthalene derivative.

Abstract
A new naphthalene derivative, (E)-2-(7-(2-naphthyl)-6-heptenamide)benzoic acid (TEI-8364) was assessed for its effect on interleukin (IL)-4- and anti-CD40 monoclonal antibody-induced immunoglobulin E (IgE) production by cultured human lymphocytes. TEI-8364 preferentially suppressed the production of IgE by peripheral blood mononuclear cells (PBMC) in a dose-dependent manner, without inhibiting PBMC proliferation. In addition, TEI-8364, at a concentration of 10 microM, completely inhibited IL-4- and anti-CD40-induced IgE production by purified tonsillar B lymphocytes, suggesting that TEI-8364 affects B cells by interfering with signals provided by IL-4 or through CD40 and IL-4. TEI-8364 also had a profound inhibiting effect on the in vitro production of specific antibody to a T cell-dependent antigen by PBMC from an immunized volunteer, cultured in the presence of antigen. Furthermore, TEI-8364 at a dose of 1 mg/mouse/day selectively inhibited IgE production by severe combined immunodeficiency mice engrafted with human PBMC, if the drug was administered subcutaneously for five consecutive days. These findings suggest that TEI-8364 is a potent therapeutic agent that may be useful in the treatment of IgE-mediated allergic disorders.
AuthorsY Uejima, K Takahashi, K Komoriya, S Kurozumi, H D Ochs
JournalImmunopharmacology (Immunopharmacology) Vol. 30 Issue 2 Pg. 167-76 (Aug 1995) ISSN: 0162-3109 [Print] Netherlands
PMID8530258 (Publication Type: Journal Article)
Chemical References
  • Amides
  • Benzoates
  • Immunoglobulin G
  • Immunosuppressive Agents
  • TEI 8364
  • Immunoglobulin E
Topics
  • Adult
  • Amides (pharmacology)
  • Animals
  • B-Lymphocytes (drug effects, immunology, transplantation)
  • Benzoates (pharmacology)
  • Humans
  • Immunoglobulin E (biosynthesis)
  • Immunoglobulin G (biosynthesis)
  • Immunosuppressive Agents (pharmacology)
  • In Vitro Techniques
  • Lymphocyte Activation (drug effects)
  • Male
  • Mice
  • Mice, SCID
  • Transplantation, Heterologous

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