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Reactive oxygen species (ROS) and reactive nitrogen species (RNS, e.g. nitric oxide, NO(*)) are well recognised for playing a… Expand One of the mechanisms by which the innate immune system senses the invasion of pathogenic microorganisms is through the Toll-like… Expand Extracellular proteins bound to cell-surface receptors can change nuclear gene expression patterns in minutes, with far-reaching… Expand When epidermal growth factor and its relatives bind the ErbB family of receptors, they trigger a rich network of signalling… Expand New information regarding neuronal circuits that control food intake and their hormonal regulation has extended our understanding… Expand Signal transduction is initiated by complex protein–protein interactions between ligands, receptors and kinases, to name only a… Expand The mechanisms that balance food intake and energy expenditure determine who will be obese and who will be lean. One of the… Expand Inositol trisphosphate is a second messenger that controls many cellular processes by generating internal calcium signals. It… Expand An ESS model of Zahavi's handicap principle is constructed. This allows a formal exposition of how the handicap principle works… Expand