Inhibition of TRPA1 channel activity in sensory neurons by the glial cell line-derived neurotrophic factor family member, artemin
2011

How Artemin Affects Pain Signals in Nerve Cells

Sample size: 26 publication Evidence: moderate

Author Information

Author(s): Yoshida Naoki, Kobayashi Kimiko, Yu Lina, Wang Shenglan, Na Rengaowa, Yamamoto Satoshi, Noguchi Koichi, Dai Yi

Primary Institution: Hyogo University of Health Sciences

Hypothesis

Does artemin interact functionally with the TRPA1 channel to influence pain signaling?

Conclusion

Artemin inhibits the activity of the TRPA1 channel and reduces pain behaviors in rats.

Supporting Evidence

  • 85.8% of TRPA1-expressing neurons also expressed GFR α3.
  • Artemin significantly suppressed AITC-induced TRPA1 currents.
  • Pre-treatment with artemin reduced pain behaviors in response to AITC and formalin.

Takeaway

Artemin is a substance that can help reduce pain by blocking certain signals in nerve cells.

Methodology

The study used whole-cell patch clamp recordings, in situ hybridization, and behavioral analyses on rat sensory neurons.

Limitations

The study primarily focused on acute effects and did not explore long-term implications of artemin treatment.

Participant Demographics

Adult male Sprague-Dawley rats, weighing 200-250 g.

Statistical Information

P-Value

p<0.005

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1744-8069-7-41

Want to read the original?

Access the complete publication on the publisher's website

View Original Publication