Target intelligence / Profile preview

Hypothalamic-Pituitary-Adrenal Axis (HPA axis)

Target
HPA axis
Molecular classification
Neuroendocrine system
01

Overview

The hypothalamic–pituitary–adrenal (HPA) axis is a major neuroendocrine system that coordinates the body’s response to stress and regulates numerous physiological processes, including digestion, immune function, mood and emotions, sexual activity, and energy storage/expenditure. It consists of the hypothalamus, pituitary gland, and adrenal glands, communicating via hormones in a feedback loop to manage stress reactions and maintain homeostasis. Dysregulation is implicated in various disorders including depression, anxiety, and stress-related illnesses.

Other names
HPA system
02

Biological functions

Stress response regulationMetabolic controlImmune modulationRegulation of digestionRegulation of mood and emotionsRegulation of sexual activityRegulation of energy storage/expenditureHomeostasis maintenance
03

Disease associations

Chronic stressDepressionAnxiety disordersCushing’s syndrome/hypercortisolemiaAddison’s disease/hypocortisolemia
04

Safety considerations

Dysregulation of HPA axis can lead to pathological conditions due to altered glucocorticoid signaling.Insufficient and excessive activation can both lead to problems.

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