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. 2019 Jan 15;17(3):2053–2060. doi: 10.3892/etm.2019.7172

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Copyright: © Carrillo-Ballesteros et al.

This is an open access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.

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Figure 2. — BAFF expression in germinal centers. (A) BAFF staining in human tonsils (magnification, ×100; scale bar, 200 µm). (B-E) BAFF staining in (B) the DZ, (C) LZ, (D) MZ and (E) IZ in germinal centers of human tonsils (magnification, ×400; scale bar, 50 µm). (F) Percentage of BAFF-positive cells in different zones of germinal centers in human tonsils. BAFF expression is showed as brown-orange staining and Harris' hematoxylin was used as a blue-purple counterstain. Images were quantitatively analyzed using ImageJ software. Values are expressed as the mean ± standard deviation. *P<0.05. DZ, dark zone; IZ, interfollicular zone; LZ, light zone; MZ, mantle zone; BAFF, B-cell activating factor.