Cover: The cover image shows testis section from E15.5 somatic cell-specific βετα-catenin knockout embryo (or SF1/cre;Ctnnb1f/-) was treated with anti-βετα-catenin antibody (green) and counterstained with DNA dye DAPI (blue). Membrane-bound βετα-catenin was detected in germ cells with large round nuclei. However, no staining of βετα-catenin was found in somatic cells immediately adjacent to the germ cells, indicating that βετα-catenin was ablated specifically in the somatic cell lineage. See C.-F. Liu et al., pp. 405-417.
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