Autostimulatory growth factors produced by Sjögren's syndrome B cell lines

Masami Takei, Howard Dang, Michael J. Dauphinee, Norman Talal

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Sjögren's syndrome (SS) is a systemic autoimmune disorder characterized by polyclonal hypergammaglobulinemia, autoantibody formation, and intense tissue infiltration by lymphoid and plasma cells. These patients have a predisposition to the development of monoclonal immunoglobulins and B cell lymphomas. To study the role of B cells in this disease, we established B cell lines from three patients with benign primary SS. These B cell lines grew spontaneously without any stimulation and expressed EBV nuclear antigen. The lines secreted an autostimulatory factor which had properties of a B cell growth factor. Peripheral blood B cells from SS patients, after culture for 3 days, secreted a similar factor which stimulated the proliferation of established SS B cell lines. These results suggest that circulating B cells in SS produce an autocrine growth factor that may contribute to lymphoproliferation and ultimately to the emergence of B cell lymphomas.

Original languageEnglish (US)
Pages (from-to)123-135
Number of pages13
JournalClinical Immunology and Immunopathology
Volume53
Issue number1
DOIs
StatePublished - 1989

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Intercellular Signaling Peptides and Proteins
B-Lymphocytes
Cell Line
B-Cell Lymphoma
Epstein-Barr Virus Nuclear Antigens
Hypergammaglobulinemia
Plasma Cells
Autoantibodies
Blood Cells
Lymphocytes

ASJC Scopus subject areas

  • Immunology
  • Immunology and Allergy
  • Pathology and Forensic Medicine

Cite this

Autostimulatory growth factors produced by Sjögren's syndrome B cell lines. / Takei, Masami; Dang, Howard; Dauphinee, Michael J.; Talal, Norman.

In: Clinical Immunology and Immunopathology, Vol. 53, No. 1, 1989, p. 123-135.

Research output: Contribution to journalArticle

Takei, Masami ; Dang, Howard ; Dauphinee, Michael J. ; Talal, Norman. / Autostimulatory growth factors produced by Sjögren's syndrome B cell lines. In: Clinical Immunology and Immunopathology. 1989 ; Vol. 53, No. 1. pp. 123-135.
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