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Science 25 April 2008:
Vol. 320. no. 5875, pp. 458 - 460
DOI: 10.1126/science.1158173
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Perspectives

CELL BIOLOGY:
A One-Sided Signal

Gregory D. Fairn and Sergio Grinstein*

Changes in the distribution of a lipid within the plasma membrane affect normal cell function and virus infection.

Cell Biology Program, Research Institute, The Hospital for Sick Children, Toronto, Ontario M5G 1X8, Canada. E-mail: sga{at}sickkids.ca

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Science. ISSN 0036-8075 (print), 1095-9203 (online)