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Science 17 April 2009:
Vol. 324. no. 5925, pp. 346 - 347
DOI: 10.1126/science.1173646
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Perspectives

CELL BIOLOGY:
Two Lipids That Give Direction

Jean-François Côté1 and Kristiina Vuori2

Precise and sequential intracellular signaling events involving two phospholipids direct an immune cell toward an attractant molecule gradient.

1Institut de Recherches Cliniques de Montréal, Université de Montréal, Montréal, Québec H2W 1R7, Canada. E-mail: jean-francois.cote{at}ircm.qc.ca

2Burnham Institute for Medical Research, La Jolla, CA 92037, USA. E-mail: kvuori{at}burnham.org

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