Title : Regulation of superoxide responses of human neutrophils by adenine compounds. Independence of requirement for cytoplasmic granules.

Pub. Date : 1989 Nov

PMID : 2554058






3 Functional Relationships(s)
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1 Recent evidence suggests that the adenine compounds ATP, adenosine-5"-O-(3-thiotriphosphate) (ATP gamma S), and adenosine have important regulatory effects on O2- responses of human neutrophils stimulated with the chemotactic peptide N-formyl-Met-Leu-Phe (fMLP). adenosine 5'-O-(3-thiotriphosphate) formyl peptide receptor 1 Homo sapiens
2 Incubation of neutrophils with ATP gamma S or adenosine led to a decrease in numbers of fMLP receptors (17 and 9.2%, respectively) but no change in receptor affinity (Kd). adenosine 5'-O-(3-thiotriphosphate) formyl peptide receptor 1 Homo sapiens
3 Paradoxically, ATP gamma S caused an increase in CR3 receptors (Mo1, CD-11b antigen), suggesting that fMLP and CR3 receptors may be under separate control. adenosine 5'-O-(3-thiotriphosphate) formyl peptide receptor 1 Homo sapiens