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. 1999 Dec 6;190(11):1697–1710. doi: 10.1084/jem.190.11.1697

Figure 4.

Figure 4

Altered T and B cell organization, intense germinal center reactions, decreased number of dendritic cells, and increased number of plasma cells in the spleen of BAFF-Tg mice. A control mouse is shown in A, C, E, and G and a BAFF-Tg mouse in B, D, F, and H. B cells are blue and T cells brown (A and B). Germinal centers are marked with an arrow (C and D). Only a few residual germinal centers are seen in control mice (C). CD11c-positive dendritic cells are brown and appear in the T cell zone, bridging channels and the marginal zone (E). Very few are present in BAFF-Tg mice (F). Syndecan-1–positive plasma cells were only detectable in the red pulp of BAFF-Tg mice (H) but not control mice (G). These pictures are representative of at least 12 BAFF-Tg mice analyzed and 12 control mice. 100× except C and D (50×). B, B cell follicle; T, periarteriolar lymphocyte sheath; WP, white pulp; RP, red pulp.

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