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Cover Figure

ONLINE COVER This week's issue features a Perspective that discusses protein complexes associated with integrins, which are receptors that regulate cell migration during processes such as development and metastasis. The image is an artist's depiction of a migrating cell. [Image: Yana Greenman, AAAS]

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