The adenosine/neutrophil paradox resolved: human neutrophils possess both A1 and A2 receptors that promote chemotaxis and inhibit O2 generation, respectively.

@article{Cronstein1990TheAP,
  title={The adenosine/neutrophil paradox resolved: human neutrophils possess both A1 and A2 receptors that promote chemotaxis and inhibit O2 generation, respectively.},
  author={Bruce Cronstein and L Daguma and Donna Nichols and A J Hutchison and M. Williams},
  journal={The Journal of clinical investigation},
  year={1990},
  volume={85 4},
  pages={1150-7}
}
Occupancy of specific receptors on neutrophils by adenosine or its analogues diminishes the stimulated release of toxic oxygen metabolites from neutrophils, while paradoxically promoting chemotaxis. We now report evidence that two distinct adenosine receptors are found on neutrophils (presumably the A1 and A2 receptors of other cell types). These adenosine receptors modulate chemotaxis and O2- generation, respectively. N6-Cyclopentyladenosine (CPA), a selective A1 agonist, promoted neutrophil… CONTINUE READING

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