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Updated: Jun 20, 2026

Primary Culture of Rat Adrenocortical Cells and Assays of Steroidogenic Functions
Published on: March 12, 2019
Aberrant G-protein coupled receptor expression in relation to adrenocortical overfunction.
André Lacroix1, Isabelle Bourdeau, Antoine Lampron
1Division of Endocrinology, Department of Medicine, Centre de recherche du Centre hospitalier de l'Université de Montréal, Université de Montréal, Montréal, QC, Canada. andre.lacroix@umontreal.ca
Aberrant G-protein coupled receptors in the adrenal gland cause steroidogenesis disorders like Cushing's syndrome. Identifying these receptors may lead to targeted treatments, but surgery remains the primary option.
Area of Science:
- Endocrinology
- Molecular Biology
- Oncology
Background:
- Aberrant G-protein coupled receptor (GPCR) expression and function in the adrenal gland are implicated in adrenal tumors and hyperplasia.
- These dysregulations can lead to abnormal steroidogenesis, resulting in conditions such as Cushing's syndrome and androgen excess.
Purpose of the Study:
- To explore the role of aberrant GPCRs in adrenal disorders.
- To investigate the potential for targeted pharmacological interventions based on receptor identification.
- To review current treatment strategies for these conditions.
Main Methods:
- Review of existing literature on GPCRs in adrenal diseases.
- Analysis of clinical phenotypes associated with aberrant adrenal receptor function.
- Discussion of diagnostic and therapeutic implications.
Main Results:
- Excess cortisol secretion (Cushing's syndrome) is the most common phenotype linked to aberrant GPCRs.
- Aberrant androgen and aldosterone regulation are also associated with specific GPCR abnormalities.
- Familial cases of ACTH-independent macronodular adrenal hyperplasia (AIMAH) highlight the genetic basis of some receptor dysfunctions.
Conclusions:
- Identification of aberrant GPCRs offers potential for specific pharmacological treatments to control steroidogenesis.
- Unilateral or bilateral adrenalectomy remains the current standard treatment for these adrenal conditions.
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