ArticleIranian journal of basic medical sciences2024
Testosterone signaling pathways for reducing neuropathic pain in a rat model of spinothalamic tract lesion.
Article in Iranian journal of basic medical sciences, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed.
- Puerarin Improves Cancer-Induced Bone Pain by Recovering Mitochondrial Dysfunction in the Spinal Cord.Journal of neuroimmune pharmacology : the official journal of the Society on NeuroImmune Pharmacology · 2025Article
- Pelargonidin improves functional recovery and attenuates neuropathic pain following spinal cord injury in rats: relevance to its neuroprotective, antioxidant, and anti-inflammatory effects.Frontiers in pharmacology · 2025Article
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3 authors.
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Abstract
Objectives: Most individuals who suffer from spinal cord injury (SCI) experience neuropathic pain, which currently has no effective treatment. In this study, we examined how testosterone affects neuropathic pain resulting from SCI. Materials and Methods: We administered three different doses of testosterone (4, 8, 16 mg/kg, intraperitoneal) to male rats after an electrolytic lesion of the spinothalamic tract. We then conducted behavioral tests, including open field and von Frey tests, within 28 days post-SCI. On day 28 after SCI, we analyzed spinal tissue using western blot to measure the levels of ionized calcium binding adaptor molecule 1 (Iba1), glial fibrillary acidic protein (GFAP), phospho-extracellular signal-regulated kinase (p-ERK1/2), and p-P38 at the injury site. Results: The results showed that testosterone significantly improved both motor activity and mechanical allodynia compared to the SCI-only group. Testosterone also inhibited microglia and astrocyte activation. Furthermore, testosterone significantly decreased p-P38 and p-ERK levels. Conclusion: The findings indicate that testosterone may alleviate SCI-induced neuropathic pain by inhibiting the activation of astrocytes and microglia, as well as suppressing MAPK signaling pathways.
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