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Chronic Post-Ischemia Pain Model for Complex Regional Pain Syndrome Type-I in Rats
Published on: January 21, 2020
Pain as a channelopathy
Ramin Raouf1, Kathryn Quick, John N Wood
1Molecular Nociception Group, Wolfson Institute for Biomedical Research, University College London, UK. j.wood@ucl.ac.uk
Abstract:
Mendelian heritable pain disorders have provided insights into human pain mechanisms and suggested new analgesic drug targets. Interestingly, many of the heritable monogenic pain disorders have been mapped to mutations in genes encoding ion channels. Studies in transgenic mice have also implicated many ion channels in damage sensing and pain modulation. It seems likely that aberrant peripheral or central ion channel activity underlies or initiates many pathological pain conditions. Understanding the mechanistic basis of ion channel malfunction in terms of trafficking, localization, biophysics, and consequences for neurotransmission is a potential route to new pain therapies.
Insights
Genetic mutations in ion channels cause rare pain disorders, offering new targets for pain relief. Understanding how these ion channels malfunction is key to developing novel analgesics.
Area of Science:
- Neuroscience
- Genetics
- Pharmacology
Background:
- Mendelian heritable pain disorders offer insights into pain mechanisms.
- Many heritable pain disorders are linked to mutations in genes encoding ion channels.
- Ion channels are implicated in damage sensing and pain modulation.
Purpose of the Study:
- To explore the role of ion channels in pain disorders.
- To identify potential analgesic drug targets based on ion channel function.
Main Methods:
- Analysis of Mendelian heritable pain disorders.
- Studies in transgenic mice to investigate ion channel function in pain.
Main Results:
- Aberrant ion channel activity in the periphery or central nervous system likely underlies pathological pain.
- Mutations in ion channel genes are associated with heritable pain conditions.
Conclusions:
- Understanding ion channel malfunction (trafficking, localization, biophysics, neurotransmission) is crucial.
- Targeting ion channel mechanisms presents a potential route for developing new pain therapies.
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