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Science 24 June 2005:
Vol. 308. no. 5730, pp. 1862 - 1863
DOI: 10.1126/science.308.5730.1862
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CELL BIOLOGY:
The Ins and Outs of Exosomes

Jennifer Couzin

MONTREAL, CANADA--Cells spit out these mysterious vesicles, but what they do and whether they boast medical uses, such as in cancer vaccines, is up in the air.

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