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Nerve Excitability Assessment in Chemotherapy-induced Neurotoxicity
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Published on: April 26, 2012

Detection and assessment of xenobiotic-induced sensory neuropathy

J David Clark1

  • 1Stanford University and VAPAHCS, Palo Alto, CA, USA.

Current Protocols in Toxicology
|October 10, 2012
PubMed

Insights

Xenobiotics can cause painful neuropathies. This study details two rodent models using thermal and mechanical stimulation to detect these adverse effects, aiding in the assessment of xenobiotic-induced peripheral neuropathy.

Area of Science:

  • Neuroscience
  • Toxicology
  • Pharmacology

Background:

  • Xenobiotics, including chemotherapeutics and metals, can induce painful sensory neuropathies.
  • These neurotoxic effects pose a significant challenge in both industrial and therapeutic applications.
  • Rodent models are crucial for evaluating xenobiotic-induced neuropathies.

Purpose of the Study:

  • To present two distinct methods for detecting xenobiotic-induced neuropathies in rodent models.
  • To provide a framework for assessing the development of painful peripheral neuropathy.
  • To aid in the evaluation of neurotoxic compounds.

Main Methods:

  • Assessing thermal sensitivity in rat hind paws following noxious thermal stimulation.
  • Utilizing nylon von Frey filaments to measure nociceptive thresholds in rodent hind paws.
  • Monitoring changes in sensitivity during short- and long-term exposure to xenobiotics.

Main Results:

  • The described methods allow for the detection of altered sensory perception indicative of neuropathy.
  • Changes in thermal sensitivity and nociceptive thresholds can be quantified.
  • These assays can track the progression of peripheral neuropathy.

Conclusions:

  • Two reliable rodent-based assays are presented for the detection of xenobiotic-induced neuropathies.
  • These methods facilitate the study of painful peripheral neuropathy development.
  • The assays support the safety assessment of industrial and therapeutic compounds.

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