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. 2005 Jun;12(6):705–712. doi: 10.1128/CDLI.12.6.705-712.2005

FIG. 4.

FIG. 4.

Cross-linking of inhibitory receptors preferentially inhibits the secretion of IgG. (A) B cells, stimulated with CD40L-transfected cells plus IL-4 (+) in the presence (+) of the specified MAb for 6 days, were analyzed for surface and cytoplasmic expression of IgG. (B) B cells, stimulated with CD40L-transfected cells plus IL-4 in the presence of the specified MAb for 6 days, were analyzed by Western blotting of supernatants and cell lysates. The positions of molecular size markers (in kilodaltons) are indicated to the left of the gel.