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Cover Figure

ONLINE COVER This week features a Research Article describing how pathological angiogenesis mediated by the VEGF receptor could be treated by combining kinase inhibitors against mTOR and PI3K. The image shows human umbilical vein endothelial cells sprouting from beads. [Image: Guanglei Zhuang and Jenny Yao/Genentech Inc.]

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