Key result
Patients with aldosterone-producing adenomas without known mutations exhibited significantly higher GNRHR expression and a greater GnRH-stimulated aldosterone response (55.6% vs 0%) compared to those with KCNJ5 mutations.
Population
Patients with aldosterone-producing adenoma without known mutations and with KCNJ5 mutation, as well as…
Comparison
Gonadotropin-releasing hormone (GnRH) stimulation vs APA-KCNJ5 samples/patients and control HAC15 cells
Design
Preclinical
Authors
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May indicate GnRH pathway relevance in mutation-negative APA; hypothesis-generating and requires validation before any clinical consideration.
Observational (n=22)
No
Absolute Event Rate: 55.6% vs 0%
p-value: p=<0.05
Aldosterone-producing adenomas without known mutations exhibit increased GNRHR and LHCGR expression, leading to a heightened aldosterone response to GnRH stimulation compared to those with KCNJ5 mutations.
Kishimoto et al. (2016) conducted an observational in Aldosterone-producing adenoma (APA) (n=22). Aldosterone-producing adenoma without known mutations (APA-WT) vs. Aldosterone-producing adenoma with KCNJ5 mutation (APA-KCNJ5) was evaluated on Positive aldosterone response (>50% increase) following GnRH stimulation (p=<0.05). Patients with aldosterone-producing adenomas without known mutations exhibited significantly higher GNRHR expression and a greater GnRH-stimulated aldosterone response (55.6% vs 0%) compared to those with KCNJ5 mutations.
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