Immunologic Research

, Volume 10, Issue 3–4, pp 404–406 | Cite as

A cautionary note concerning the possibility that transforming growth factor-beta is a switch factor that acts on primary B cells to initiate IgA expression

  • John J. Cebra
  • Anna George
  • Roy L. Kerlin
B Cell Differentiation


Isotype Switching Bulk Culture Switch Factor Limit Cell Outgrowth Isotype Expression 
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Copyright information

© Humana Press Inc. 1991

Authors and Affiliations

  • John J. Cebra
    • 1
  • Anna George
    • 1
  • Roy L. Kerlin
    • 1
  1. 1.Department of BiologyUniversity of PennsylvaniaPhiladelphia(USA)

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