TRP Channel Polymorphisms and Neuropathic Pain
Author Information
Author(s): Andreas Binder, Denisa May, Ralf Baron, Christoph Maier, Thomas R. Tölle, Rolf-Detlef Treede, Achim Berthele, Frank Faltraco, Herta Flor, Janne Gierthmühlen, Sierk Haenisch, Volker Huge, Walter Magerl, Christian Maihöfner, Helmut Richter, Roman Rolke, Andrea Scherens, Nurcan Üçeyler, Mike Ufer, Gunnar Wasner, Jihong Zhu, Ingolf Cascorbi
Primary Institution: University Hospital Schleswig-Holstein, Campus Kiel, Germany
Hypothesis
The study investigates the association of transient receptor potential (TRP) channel gene polymorphisms with somatosensory function in neuropathic pain patients.
Conclusion
The study found that TRP channel polymorphisms significantly contribute to somatosensory abnormalities in neuropathic pain patients, but not to the expression of neuropathic pain itself.
Supporting Evidence
- The study included a large cohort of neuropathic pain patients and healthy volunteers.
- Significant associations were found between TRP gene variants and somatosensory function.
- No significant differences in TRP allele frequencies were observed between patients and healthy controls.
Takeaway
This study looked at how certain genes might affect the way people feel pain, especially in those with nerve damage. It found that some gene changes can change how people sense different types of pain.
Methodology
The study involved 371 neuropathic pain patients and 253 healthy volunteers, using quantitative sensory testing and genetic analysis of TRP channel polymorphisms.
Limitations
The study was limited to missense variants and did not include other types of genetic variants; further validation in larger samples is needed.
Participant Demographics
371 neuropathic pain patients (210 female, 161 male), all Caucasian; 253 healthy volunteers (173 female, 80 male).
Statistical Information
P-Value
p=0.0035 for cold hypoalgesia association.
Confidence Interval
95% CI 1.78–6.68 for PHS association.
Digital Object Identifier (DOI)
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