ATP Release Guides Neutrophil Chemotaxis via P2Y2 and A3 Receptors
Top Cited Papers
- 15 December 2006
- journal article
- other
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 314 (5806), 1792-1795
- https://doi.org/10.1126/science.1132559
Abstract
Cells must amplify external signals to orient and migrate in chemotactic gradient fields. We find that human neutrophils release adenosine triphosphate (ATP) from the leading edge of the cell surface to amplify chemotactic signals and direct cell orientation by feedback through P2Y2 nucleotide receptors. Neutrophils rapidly hydrolyze released ATP to adenosine that then acts via A3-type adenosine receptors, which are recruited to the leading edge, to promote cell migration. Thus, ATP release and autocrine feedback through P2Y2 and A3 receptors provide signal amplification, controlling gradient sensing and migration of neutrophils.Keywords
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