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Cover Figure

COVER This week's issue features a Research Article that describes how integration of protein-protein interaction networks with a human genome-wide RNAi screen leads to new insight into Wnt/β-catenin signaling. The image shows part of a protein-protein interaction network of the Wnt pathway with hits from the RNAi screen highlighted in blue and pink. [Image: Christopher Bickel, AAAS]

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Science Signaling. ISSN 1937-9145 (online), 1945-0877 (print). Pre-2008: Science's STKE. ISSN 1525-8882