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In vitro autoantibody production by normal adult and cord blood B cells.
D S Pisetsky, … , C F Reich, P E Lipsky
D S Pisetsky, … , C F Reich, P E Lipsky
Published March 1, 1990
Citation Information: J Clin Invest. 1990;85(3):899-903. https://doi.org/10.1172/JCI114517.
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Research Article

In vitro autoantibody production by normal adult and cord blood B cells.

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Abstract

To investigate the repertoire of autoantibodies in humans, anti-DNA and rheumatoid factor (RF) production in vitro was assessed in cultures of adult peripheral blood B cells and neonatal umbilical venous blood B cells. B cells were stimulated under various culture conditions, using an immobilized monoclonal anti-CD3 antibody and adult T cells or Staphylococcus aureus (SA) in the presence or absence of adult T cells or factors derived from mitogen-stimulated adult T cells as polyclonal B cell activators. Total IgM, as well as IgM anti-DNA and RF, were assessed by ELISA. Total IgM production was induced from adult and neonatal B cells with SA plus T cell factors, as well as anti-CD3-stimulated T cells. RF was induced from adult and cord blood B cells by either mode of stimulation, whereas significant anti-DNA production was observed only when B cells were stimulated with anti-CD3-activated T cells. These results confirm the presence of B cell precursors for autoantibodies in the preimmune as well as normal adult repertoire, and indicate that the production of anti-DNA and RF appears to be regulated independently.

Authors

D S Pisetsky, D F Jelinek, L M McAnally, C F Reich, P E Lipsky

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