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. 2003 Aug 18;198(4):591–602. doi: 10.1084/jem.20022042

Figure 3.

Figure 3.

mIgM(P436S) mice show diminished responses to immunization with different Ag carrier and haptenation ratios. Both mouse strains were immunized with NP22-CGG (A), NP3-CGG (B), and NP15-HSA (C) and the percentage of λ+/NIP+ splenocytes determined by FACS® analysis on day 12. Error bars indicate SEM of 3–4 mice per group in each of 2–3 separate experiments (i.e., at least 6 mice per group total). Mutant mice (solid bars) showed lower Ag-specific B cell expansion than mIgM mice (open bars) after all immunizations (P < 0.005 for NP22-CGG, NP3-CGG, and 50 μg of NP15-HSA) but responded to all of them except for 5 μg of NP3-CGG, in which case the response is not substantially different from the alum control.