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The Strathprints institutional repository is a digital archive of University of Strathclyde's Open Access research outputs. Strathprints provides access to thousands of Open Access research papers by Strathclyde researchers, including by researchers from the Physical Activity for Health Group based within the School of Psychological Sciences & Health. Research here seeks to better understand how and why physical activity improves health, gain a better understanding of the amount, intensity, and type of physical activity needed for health benefits, and evaluate the effect of interventions to promote physical activity.

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Sphingolipids as differential regulators of cellular signalling processes

Pyne, S and Tolan, D G and Conway, A M and Pyne, N (1997) Sphingolipids as differential regulators of cellular signalling processes. Biochemical Society Transactions, 25 (2). pp. 549-556. ISSN 0300-5127

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Abstract

Sphingomyelin is a phospholipid that is preferentially located in the outer leaflet of the plasma membrane of mammalian cells. It can be hydrolysed by three distinct isoforms of a phospholipase C (PLC)-like enzyme, sphingomyelinase, which are distinguished by their pH optima and Mg2+-dependence. Activation of sphingomyelinase occurs in response to stimulation of a number of distinct cell-surface receptors by a variety of biological agonists, such as cytokines and growth factors [l]. Several metabolites of sphingomyelin have been identified as potential second-messenger molecules.