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Article Abstract
Aims: To evaluate the analgesic and neuroprotective effects of cytidine, uridine, and gabapentin-administered alone and in combination-in models of diabetic neuropathy and formalin-induced acute and inflammatory pain.
Materials & Methods: Oral doses of cytidine, uridine, and gabapentin (100 mg/kg each) were administered to rats with streptozotocin-induced diabetic neuropathy and in a formalin test model. Behavioral responses were recorded at 30, 60, and 120 minutes following treatment after five weeks of diabetes induction. Spinal cord p-CREB expression was measured to assess molecular changes, and pretreatments with naloxone, yohimbine, and methysergide were employed to explore opioid, adrenergic, and serotonergic contributions.
Results: All treatments significantly reduced formalin-induced pain in both acute and inflammatory phases (p < 0.05; p < 0.001) and increased mechanical pain thresholds in the diabetic neuropathy model at all-time points (p < 0.05). Combination therapy proved more effective than gabapentin alone (p < 0.05) and was associated with decreased spinal p-CREB levels, indicating altered anti-nociceptive signaling.
Conclusions: The combined use of cytidine, uridine, and gabapentin enhances analgesia and neuroprotection compared to monotherapy, supporting its potential as a novel, analgesic-free treatment strategy for diabetic neuropathy.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11959892 | PMC |
| http://dx.doi.org/10.1080/20565623.2025.2483137 | DOI Listing |
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