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The liver plays a central role in allowing dairy cattle to make a successful transition into lactation. In liver, as in other tissues, extracellular nucleotides and nucleosides trigger cellular responses through adenosine and ATP receptors. Adenosine triphosphate and certain nucleotides serve as signals that can heighten purinergic receptor activation in several pathologic processes. We evaluated...
An effective immune response relies on efficient activation of polymorphonuclear neutrophilic leukocytes (PMNL). The PMNL release cellular ATP in response to inflammatory mediators. Although extracellular ATP is rapidly degraded to adenosine, both compounds can readily bind to either the purinergic receptor P1 (adenosine) or P2 (ATP). The P1 and P2 receptors are members of the G-protein-coupled receptor...
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