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Related Experiment Videos

The aldosterone receptor--new insights?

Peter Fuller

    Expert Opinion on Investigational Drugs
    |March 1, 2006
    PubMed
    Summary

    Excess aldosterone contributes to heart disease via the mineralocorticoid receptor (MR). Developing cardiac-specific MR antagonists could improve heart failure treatment by avoiding side effects like hyperkalemia.

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    Subtyping of Primary Aldosteronism in the AVIS-2 Study: Assessment of Selectivity and Lateralization.

    The Journal of clinical endocrinology and metabolism·2019

    Area of Science:

    • Cardiology
    • Endocrinology
    • Molecular Biology

    Background:

    • Aldosterone excess is implicated in cardiac disease pathophysiology, acting through the mineralocorticoid receptor (MR).
    • MR blockade reduces mortality in heart failure but is limited by hyperkalemia due to renal MR blockade.

    Discussion:

    • Selective receptor modulators offer tissue-specific antagonism/agonism for steroid receptors.
    • Recent crystallizations of the MR ligand-binding pocket reveal similarities to other steroid receptors.

    Key Insights:

    • The structural similarity of the MR pocket to other steroid receptors suggests potential for developing selective modulators.
    • This opens avenues for creating cardiac-specific MR antagonists.

    Outlook:

    • Cardiac-specific MR antagonists may offer improved therapeutic strategies for heart failure.
    • Such agents could mitigate hyperkalemia, a significant limitation of current MR blockade therapies.

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