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Related Experiment Video

Updated: May 10, 2026

Primary Culture of Rat Adrenocortical Cells and Assays of Steroidogenic Functions

Primary Culture of Rat Adrenocortical Cells and Assays of Steroidogenic Functions

Published on: March 12, 2019

Addiction and the adrenal cortex.

Gavin P Vinson¹, Caroline H Brennan

¹G Vinson, School of Biological & Chemical Sciences, Queen Mary, University of London, London, E1 4NS, United Kingdom.

Endocrine Connections

|July 5, 2013

Summary

This summary is machine-generated.

The adrenal cortex and corticosteroids play a key role in addiction, influencing withdrawal symptoms and relapse. Adrenocortical activity may also explain sex differences in addiction susceptibility.

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Area of Science:

Neuroendocrinology
Addiction Science
Psychopharmacology

Background:

The hypophyseal-pituitary-adrenal (HPA) axis and corticosteroids are implicated in addiction to various substances.
Plasma cortisol/corticosterone levels rise during drug withdrawal and normalize upon drug resumption.

Purpose of the Study:

To explore the complex interactions within the HPA axis and its role in addiction.
To investigate the direct contribution of adrenal cortex activity to addictive symptoms and relapse.
To examine the influence of adrenocortical function on sex differences in addiction.

Main Methods:

Review of existing evidence on HPA axis activity and corticosteroid levels in addiction.
Analysis of the interplay between central (brain) and peripheral (adrenal) CRH-POMC systems.
Examination of corticosteroid effects on mood and potential for addiction.

Main Results:

HPA axis and corticosteroids are integral to addiction processes, affecting withdrawal and relapse.
Brain CRH and POMC products likely interact with the systemic HPA axis.
Adrenal cortex secretory activity and corticosteroids significantly contribute to addiction symptoms.

Conclusions:

The HPA axis and adrenal corticosteroids are critical neurobiological factors in addiction.
Understanding these pathways offers insights into relapse triggers and sex-based differences in addiction.