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Updated: Jul 28, 2026
09:16
Dynamic Quantitative Sensory Testing to Characterize Central Pain Processing
Published on: February 16, 2017
VIP and PACAP: very important in pain?
T Dickinson1, S M Fleetwood-Walker
1Department of Pharmacology, Quintiles Scotland Ltd, Research Avenue South, Heriot-Watt University Research Park, Riccarton, Edinburgh, UK EH14 4AP.
Trends in Pharmacological Sciences
|August 4, 1999
Summary
Neuropathic pain, often following nerve injury, involves abnormal pain signaling. This study explores how VIP and PACAP peptides in the spinal cord may contribute to these persistent pain states.
Area of Science:
- Neuroscience
- Pain Research
- Molecular Biology
Background:
- Neuropathic pain results from peripheral nerve injury, causing persistent abnormal pain states like hyperalgesia.
- Current treatments for neuropathic pain are often ineffective due to poorly understood underlying mechanisms.
- Central nervous system changes, including neurotransmitter alterations in the dorsal root ganglia and spinal dorsal horn, are implicated.
Purpose of the Study:
- To investigate the functional role of vasoactive intestinal peptide (VIP) and pituitary adenylate cyclase-activating polypeptide (PACAP) in the spinal cord.
- To explore the potential contribution of VIP and PACAP to altered sensory information transmission in neuropathic pain conditions.
Main Methods:
- Focus on the functional roles of VIP and PACAP within the spinal cord.
- Analysis of neurotransmitter and receptor expression changes in central pain pathways.
- Investigating sensory information transmission alterations.
Main Results:
- VIP and PACAP are structurally related peptides found in the spinal cord.
- These peptides may play a role in modulating sensory information processing.
- Their involvement in neuropathic pain mechanisms is under investigation.
Conclusions:
- VIP and PACAP are potential targets for understanding and treating neuropathic pain.
- Further research is needed to elucidate their precise mechanisms in central pain sensitization.
- Understanding these peptide roles could lead to improved therapeutic strategies for nerve injury-induced pain.
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