ESPE Yearbook of Paediatric Endocrinology

To read the full abstract: Proc Natl Acad Sci U S A. 2017; 114(31): E6466-E6474Cortisol production is tightly regulated in a dynamic way within the hypothalamic-pituitary adrenal system, which seems further embedded in a wider steroidogenic regulatory network (SRN). Normally, the connection from ACTH to cortisol production is in line with the HPA axis, but there are stressful events, in which t...

Brief Summary: This paper describes a novel ambulatory fraction collector that can be used with microdialysis to obtain high resolution steroid profiles over a 24-hour period.Comment: The natural circadian and ultradian secretion of adrenal hormones makes single timepoint measurements of these hormones uninformative for clinical decision making (1-3). Repeated sampling during the day requires admission into an atypical, and often disruptive, clinical set...