Cover: Immunohistochemical detection of TARC in human fetal lung xenografts. Sections of unstimulated (A and B) or IL-1 plus IFN--stimulated (C-F ) human lung xenograft were immunostained using biotinylated goat antihuman TARC antibody (A-D) or a control biotinylated goat IgG (E-F ) and Cy3-labeled streptavidin. Small letters indicate examples of bronchial (b) and alveolar (a) structures. Specific TARC staining shown in red was restricted to ciliated epithelium of the bronchial structures, and no staining was observed in the alveolar regions. Sections were counterstained with Hoechst 33258 to show nuclei in blue. Original magnification: A, C, and E, ×100; B, D, and F, ×1,000. For more information see article by Berin and colleagues 382.
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