Leukocyte(s) degranulation: therapeutic targets in [NTP]O and [NDP]O mediated leukocyte(s) degranulation

Medical Hypotheses
Subburaj Kannan

Abstract

Extracellular nucleotide-induced stimulation and activation of peripheral blood leukocyte(s) and subsequent degranulation plays a critical role in immediate type hypersensitivity reaction and other inflammatory diseases. The extracellular nucleotides [NTP]O stimulate a P2Y receptor(s) on human PMN with the pharmacological profile similar to that of the P2Y2 receptor. Whereas, [NTP]O and [NDP]O, bind to P2Y2 and P2Y1 receptors on mononuclear leukocytes. Based on a recent proposal on the molecular mechanism of [NTP]O- and [NDP]O-induced leukocyte(s) degranulation, a scheme indicating the therapeutic targets with potential avenues for attenuating leukocyte(s) degranulation is suggested.

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