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Updated: Jun 15, 2026

Multilevel Microdissection and Functional-Structural Profiling of Human Renal Arterial Branches

Multilevel Microdissection and Functional-Structural Profiling of Human Renal Arterial Branches

Published on: September 5, 2025

Neuro-tracing approach to study kidney innervation: a technical note.

Sanghee Lee¹, Anna P Malykhina¹

¹Division of Urology, Department of Surgery, University of Colorado School of Medicine, Aurora, CO, USA.

Kidney Research and Clinical Practice

|April 11, 2017

Summary

This study details a neuro-tracing method for mapping kidney innervation. Careful tracer selection and delivery are crucial for labeling sensory and motor ganglia, enabling further analysis.

Keywords:

Fast Blue Kidney innervation Neuro-tracing Retrograde labeling

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Area of Science:

Nephrology
Neuroscience
Surgical Techniques

Background:

Studying visceral organ innervation, such as the kidneys, is vital for understanding physiological functions.
Current neuro-tracing techniques require precise application and careful handling to ensure accurate labeling of neural pathways.

Purpose of the Study:

To describe a successful neuro-tracing approach for investigating kidney innervation.
To highlight key factors for effective labeling of peripheral sensory and motor ganglia.

Main Methods:

Utilizing retrograde neuro-tracers (e.g., Fast Blue) applied directly to the kidney via surgical access.
Performing microinjections under deep anesthesia, followed by wound closure and recovery.
Emphasizing meticulous technique to prevent tracer spillage and off-target labeling.

Main Results:

Successful labeling of neuronal bodies within dorsal root ganglion neurons and major peripheral ganglia.
Demonstration that retrograde tracers do not cross synapses, ensuring specific neuronal body labeling.
Isolation of labeled neurons for downstream electrophysiological and biochemical analyses.

Conclusions:

The described neuro-tracing method is effective for studying kidney innervation.
Proper neuro-tracer selection and precise delivery are critical for successful peripheral neural circuit mapping.
Labeled neurons provide valuable material for subsequent functional and molecular investigations.