Poster Flash Talks Group B: Regulation of ultradian pulsatility and stress responses in the human HPA axis
- đ¤ Speaker: Belinda Lombard (University of Birmingham)
- đ Date & Time: Wednesday 03 December 2025, 14:30 - 14:35
- đ Venue: Seminar Room 1, Newton Institute
Abstract
The hypothalamic-pituitary-adrenal (HPA) axis is the endocrine system controlling dynamic responses to stressors. Mathematical modelling and experiments in rodents have shown that negative feedback loops underpin rhythmic activity within this axis, but a human equivalent model is lacking. This talk outlines a data-driven approach to calibrate a model of hormonal rhythms in the human HPA axis. The model is written in terms of Delay Differential Equations (DDEs) and predicts the conditions that lead to pulsatile secretion of cortisol and ACTH hormones with ultradian.
Series This talk is part of the Isaac Newton Institute Seminar Series series.
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Belinda Lombard (University of Birmingham)
Wednesday 03 December 2025, 14:30-14:35