An integrative appraisal of the hormonal and metabolic changes induced by acute stress using king penguins as a model

Viblanc, Vincent A; Schull, Quentin; Cornioley, Tina; Stier, Antoine; Ménard, Jean-Jérôme; Groscolas, René; Robin, Jean-Patrice

doi:10.1016/j.ygcen.2017.08.024

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Viblanc, V. A., Schull, Q., Cornioley, T., Stier, A., Ménard, J.-J., Groscolas, R., & Robin, J.-P. (2018). An integrative appraisal of the hormonal and metabolic changes induced by acute stress using king penguins as a model. General and Comparative Endocrinology, 269, 1–10. https://doi.org/10.1016/j.ygcen.2017.08.024

Abstract

A large number of studies have focused on the reactivity of the hypothalamic–pituitaryadrenal (HPA) axis and the consequences of glucocorticoids (GC) in mediating life-history trade-offs. Although short-term increases in GCs are viewed as adaptive, mobilizing energy substrates allowing animals to deal with impending threats (e.g. stimulating hepatic gluconeogenesis, stimulating lipolysis, mobilizing amino acids), few studies have actually measured the exact time-course of substrate mobilisation in response to acute stress in natural c