Increased Adrenergic Receptor Expression in Meniere Disease

HYPOTHESIS: There is increased expression of adrenergic receptors in the vestibular end organs of Meniere disease. BACKGROUND: Meniere disease (MD) is an inner ear condition characterized by episodic vertigo, hearing loss, tinnitus, and aural fullness. It is believed to be due to an imbalance in inner ear fluid, often leading to hydrops; however, the exact mechanism is unclear....

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No actionable change to clinical practice at this time; this is a mechanistic/exploratory study and does not yet translate to a diagnostic test or treatment modification for Meniere disease.

Identifying adrenergic receptor upregulation as a potential mechanism in Meniere disease opens a new avenue for targeted therapies and may help explain why stress or autonomic triggers worsen symptoms.

1. 01Adrenergic receptors (stress hormone receptors) are overexpressed in vestibular end organs of Meniere disease patients.
2. 02Findings suggest the sympathetic nervous system (fight-or-flight system) may contribute to Meniere disease pathophysiology.
3. 03Study is mechanistic and does not establish causation between adrenergic signalling and Meniere disease onset.
4. 04Published in Otology & Neurotology; sample size not reported in available description.
5. 05Could inform future drug development targeting adrenergic pathways for inner ear disorders.

PMID

42531530

DOI

10.1097/MAO.0000000000005010.

Journal

Otology & Neurotology

Publication type

research_article

Evidence level

4

Population

Patients with Meniere disease with tissue samples from vestibular end organs

Intervention

Measurement of adrenergic receptor expression in vestibular end organs