B lymphocyte stimulator protein-associated increase in circulating autoantibody levels may require CD4+ T cells

Lessons from HIV-infected patients

William Stohl, Gurtej S. Cheema, William S. Briggs, Dong Xu, Svetlana Sosnovtseva, Viktor Roschke, Dardo E. Ferrara, Kimberly Labat, Fred R. Sattler, Silvia S. Pierangeli, David M. Hilbert

Research output: Contribution to journalArticle

47 Citations (Scopus)

Abstract

To assess the helper T cell dependence of B lymphocyte stimulator (BLyS) protein-driven autoantibody production in vivo, serum levels of BLyS protein, total IgG, and anti-IgG anti-phospholipid (aPhL) autoantibodies from HIV-infected patients (n = 105) with varying degrees of CD4+ cell depletion and healthy control donors at low risk for HIV (n = 64) were determined. Peripheral blood mononuclear cells from these subjects were stained for surface expression of BLyS protein. Monocyte surface expression and serum levels of BLyS protein were increased in HIV-infected patients as were serum total IgG and IgG aPhL autoantibody levels. No associations were detected between increased serum BLyS protein levels and patient age, sex, disease duration, history of opportunistic infection or malignancy, or serum total IgG levels. However, serum levels of IgG aPhL autoantibodies were greater in patients with high serum BLyS protein levels than in those with normal serum BLyS protein levels. Importantly, this association between serum levels of BLyS protein and IgG aPhL was appreciated only in patients who were not severely CD4+ cell-depleted and not in patients who were severely CD4+ cell-depleted (peripheral blood CD4+ cell counts ≤ 200/mm3). Thus, BLyS protein may preferentially facilitate IgG autoantibody production in vivo in a helper T cell-dependent manner. This raises the possibility that the combination of a BLyS protein antagonist with an agent that targets (helper) T cells may have salutary synergistic effects on autoantibody production in diseases such as systemic lupus erythematosus.

Original languageEnglish (US)
Pages (from-to)115-122
Number of pages8
JournalClinical Immunology
Volume104
Issue number2
DOIs
StatePublished - 2002
Externally publishedYes

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B-Cell Activating Factor
Autoantibodies
HIV
T-Lymphocytes
Serum
Proteins
Phospholipids
Helper-Inducer T-Lymphocytes
Immunoglobulin G
Blood Cell Count
Opportunistic Infections
CD4 Lymphocyte Count
Systemic Lupus Erythematosus
Monocytes
Blood Cells

ASJC Scopus subject areas

  • Immunology
  • Immunology and Allergy

Cite this

B lymphocyte stimulator protein-associated increase in circulating autoantibody levels may require CD4+ T cells : Lessons from HIV-infected patients. / Stohl, William; Cheema, Gurtej S.; Briggs, William S.; Xu, Dong; Sosnovtseva, Svetlana; Roschke, Viktor; Ferrara, Dardo E.; Labat, Kimberly; Sattler, Fred R.; Pierangeli, Silvia S.; Hilbert, David M.

In: Clinical Immunology, Vol. 104, No. 2, 2002, p. 115-122.

Research output: Contribution to journalArticle

Stohl, W, Cheema, GS, Briggs, WS, Xu, D, Sosnovtseva, S, Roschke, V, Ferrara, DE, Labat, K, Sattler, FR, Pierangeli, SS & Hilbert, DM 2002, 'B lymphocyte stimulator protein-associated increase in circulating autoantibody levels may require CD4+ T cells: Lessons from HIV-infected patients', Clinical Immunology, vol. 104, no. 2, pp. 115-122. https://doi.org/10.1006/clim.2002.5238
Stohl, William ; Cheema, Gurtej S. ; Briggs, William S. ; Xu, Dong ; Sosnovtseva, Svetlana ; Roschke, Viktor ; Ferrara, Dardo E. ; Labat, Kimberly ; Sattler, Fred R. ; Pierangeli, Silvia S. ; Hilbert, David M. / B lymphocyte stimulator protein-associated increase in circulating autoantibody levels may require CD4+ T cells : Lessons from HIV-infected patients. In: Clinical Immunology. 2002 ; Vol. 104, No. 2. pp. 115-122.
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