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. 1991 Mar;34(3):333-42.
doi: 10.1002/art.1780340311.

Crystal-induced neutrophil activation. I. Initiation and modulation of calcium mobilization and superoxide production by microcrystals

P H Naccache  1 , M Grimard, C J Roberge, C Gilbert, A Lussier, R de Médicis, P E Poubelle
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Crystal-induced neutrophil activation. I. Initiation and modulation of calcium mobilization and superoxide production by microcrystals

P H Naccache et al. Arthritis Rheum. 1991 Mar.

Abstract

The effects of monosodium urate and calcium pyrophosphate dihydrate crystals on the levels of cytoplasmic free calcium and on the oxidative burst in normal human blood neutrophils were examined. The pattern of sensitivity to granulocyte-macrophage colony-stimulating factor, colchicine, cytochalasin B, pertussis toxin, diglyceride kinase, and protein kinase C inhibitors differentiated the mechanism(s) of neutrophil activation by the crystals from that involved in the responses to soluble chemotactic factors and indicated that individual crystals can use several activation pathways.

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