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Related Concept Videos

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The cranial nerves are an important part of the complex network of nerves in the human body. These nerves emerge directly from the brain and are responsible for transmitting essential information between the brain and various parts of the head and neck. There are 12 pairs of cranial nerves, systematically numbered using Roman numerals from I to XII, beginning from the anterior and moving to the posterior of the brain. Each cranial nerve is uniquely identified by names that reflect its function...
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The Peripheral Nervous System (PNS) is a crucial component of the body's neural network, extending beyond the central nervous system (CNS) to bridge the gap between the CNS and the external environment. It encompasses nerves, ganglia, and sensory receptors.
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Related Experiment Video

Updated: Jun 11, 2025

In Vitro Recording of Mesenteric Afferent Nerve Activity in Mouse Jejunal and Colonic Segments
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Renal nerves in physiology, pathophysiology and interoception.

Louise C Evans1, Alex Dayton2, John W Osborn3

  • 1Department of Surgery, University of Minnesota, Minneapolis, MN, USA.

Nature Reviews. Nephrology
|October 3, 2024
PubMed
Summary
This summary is machine-generated.

Selective renal denervation (RDN) shows promise for treating hypertension and improving kidney function by targeting sensory nerves. This approach may offer new therapies for cardiorenal diseases linked to sympathetic nerve activity.

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Area of Science:

  • Nephrology
  • Cardiology
  • Hypertension Research

Background:

  • Renal sympathetic nerves significantly influence kidney function and blood pressure regulation.
  • Elevated renal sympathetic nerve activity is implicated in hypertension via sodium retention, renin release, and vasoconstriction.

Purpose of the Study:

  • To investigate the therapeutic potential of selective afferent renal denervation (RDN) beyond traditional efferent nerve ablation.
  • To explore the role of the kidney as an interoceptive organ in modulating sympathetic activity.

Main Methods:

  • Review of existing research on renal denervation (RDN) techniques and their effects in animal models and clinical settings.
  • Analysis of studies comparing selective afferent RDN with combined afferent-efferent RDN.

Main Results:

  • Selective afferent RDN demonstrated comparable antihypertensive effects to combined RDN in animal models.
  • Selective afferent RDN reduced sympathetic nerve activity and improved kidney function in chronic kidney disease models.
  • Benefits of RDN extend to heart failure and arrhythmias, suggesting broader applications.

Conclusions:

  • The kidney acts as an interoceptive organ, with sensory nerve activity influencing sympathetic output to other organs.
  • Selective afferent RDN presents a potential therapeutic strategy for hypertension and other cardiorenal diseases associated with heightened sympathetic activity.
  • Further research is needed to translate these findings into clinical practice for novel cardiorenal therapies.