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Updated: Jun 17, 2025

In Vitro Recording of Mesenteric Afferent Nerve Activity in Mouse Jejunal and Colonic Segments
Published on: October 25, 2016
Renal interoception in health and disease
Louise C Evans1, Brianna Dailey-Krempel2, Mariana R Lauar1
1Department of Surgery, University of Minnesota Medical School, Minneapolis 55455, United States of America.
Catheter-based renal denervation, now FDA-approved for hypertension, may work by targeting sensory nerves. This approach reduces sympathetic nervous system activity, impacting blood pressure regulation beyond the kidneys.
Area of Science:
- Nephrology
- Cardiovascular Physiology
- Neuroscience
Background:
- Catheter-based renal denervation is FDA-approved for hypertension treatment.
- Its anti-hypertensive effects were traditionally linked to efferent sympathetic nerve ablation.
- Emerging research highlights the role of afferent sensory renal nerves in blood pressure regulation.
Purpose of the Study:
- To review the role of afferent renal nerves in regulating renal function and pathophysiologies.
- To describe central projections of afferent renal nerves for context on ablation/activation responses.
- To discuss the kidney's emerging role as an interoceptive organ.
Main Methods:
- Literature review focusing on afferent renal nerve function.
- Analysis of central nervous system projections of renal nerves.
- Discussion of the kidney's role in interoception and related pathologies.
Main Results:
- Afferent renal denervation is linked to reduced sympathetic nervous system activity.
- This suggests non-renal effects contributing to hypertension treatment.
- The kidney's role as an interoceptive organ is increasingly recognized.
Conclusions:
- Afferent renal nerves play a significant role in blood pressure regulation.
- Renal denervation's benefits may extend beyond direct renal effects.
- Understanding renal interoception is crucial for future hypertension therapies.
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