ArticleJournal of neuroinflammation2020
Pellino1 regulates neuropathic pain as well as microglial activation through the regulation of MAPK/NF-κB signaling in the spinal cord.
Article in Journal of neuroinflammation, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 42 papers.
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Who cites it
42 citing papers in PubMed.
- Incidence and Associated Factors for Chronic Pain After ICU Discharge: A Prospective Study.Nursing in critical care · 2026Article
- EGR2 Facilitates LPS-Elicited Microglial Inflammation and Inflammatory Pain by Transcriptionally Activating MRTO4.Neurochemical research · 2026Article
- Post-translational modifications in Neuroimmune cells during neuroinflammation: integrated regulatory networks and therapeutic opportunities.Biology direct · 2026Review
- Targeting the oxidative stress-neuroinflammation axis: the mechanism of arctigenin's broad-spectrum analgesia with limited side effects.Frontiers in immunology · 2026Article
- Obacunone Inhibits Microglia-Mediated Neuroinflammation and Ischemic Injury by Targeting Mitogen-Activated Protein Kinase 1.Journal of inflammation research · 2026Article
- The role of gut microbiota in neuropathic pain: insights into immune mechanisms.The journal of headache and pain · 2025Review
- Mechanisms and Therapeutic Prospects of Microglia-Astrocyte Interactions in Neuropathic Pain Following Spinal Cord Injury.Molecular neurobiology · 2025Review
- Nitroxidative Stress, Cell-Signaling Pathways, and Manganese Porphyrins: Therapeutic Potential in Neuropathic Pain.International journal of molecular sciences · 2025Review
- GDF11 Mitigates Neuropathic Pain via Regulation of Microglial Polarization and Neuroinflammation through TGF-βR1/SMAD2/NF-κB Pathway in Male Mice.Journal of neuroimmune pharmacology : the official journal of the Society on NeuroImmune Pharmacology · 2025Article
- SIRT3 is required for the protective function of ketogenic diet on neural inflammation and neuropathic pain.International journal of biological sciences · 2025Article
- CTRP9 attenuates peripheral nerve injury-induced mechanical allodynia and thermal hyperalgesia through regulating spinal microglial polarization and neuroinflammation mediated by AdipoR1 in male mice.Cell biology and toxicology · 2024Article
- Neuroplasticity in the transition from acute to chronic pain.Neurotherapeutics : the journal of the American Society for Experimental NeuroTherapeutics · 2024Review
- MFG-E8 Ameliorates Nerve Injury-Induced Neuropathic Pain by Regulating Microglial Polarization and Neuroinflammation via Integrin β3/SOCS3/STAT3 Pathway in Mice.Journal of neuroimmune pharmacology : the official journal of the Society on NeuroImmune Pharmacology · 2024Article
- TRAF6 promotes spinal microglial M1 polarization to aggravate neuropathic pain by activating the c-JUN/NF-kB signaling pathway.Cell biology and toxicology · 2024Article
- Daphnetin Ameliorates Neuropathic Pain via Regulation of Microglial Responses and Glycerophospholipid Metabolism in the Spinal Cord.Pharmaceuticals (Basel, Switzerland) · 2024Article
- Pathology of pain and its implications for therapeutic interventions.Signal transduction and targeted therapy · 2024Review
- RAB5A in triple-negative breast cancer: a critical role in macrophage reshaping in an exosomal miR-21-dependent manner.Endocrine-related cancer · 2024Article
- Activation of G-protein-coupled receptor 39 reduces neuropathic pain in a rat model.Neural regeneration research · 2024Article
- MiR-31-5p regulates the neuroinflammatory response via TRAF6 in neuropathic pain.Biology direct · 2024Article
- TonEBP: A Key Transcription Factor in Microglia Following Intracerebral Hemorrhage Induced-Neuroinflammation.International journal of molecular sciences · 2024Article
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7 authors.
Funding
Abstract
backgroundSpinal cord microglia plays a crucial role in the pathogenesis of neuropathic pain. However, the mechanisms underlying spinal microglial activation during neuropathic pain remain incompletely determined. Here, we investigated the role of Pellino1 (Peli1) and its interplay with spinal microglial activation in neuropathic pain.
methodsIn this study, we examined the effects of Peli1 on pain hypersensitivity and spinal microglial activation after chronic constriction injury (CCI) of the sciatic nerve in mice. The molecular mechanisms involved in Peli1-mediated hyperalgesia were determined by western blot, immunofluorescence, quantitative polymerase chain reaction (qPCR), and enzyme-linked immunosorbent assay (ELISA). We utilized immunoprecipitation to examine the ubiquitination of tumor necrosis factor receptor-associated factor 6 (TRAF6) following CCI. In addition, we explored the effect of Peli1 on BV2 microglial cells in response to lipopolysaccharide (LPS) challenge.
resultsWe found that CCI induced a significant increase in the levels of Peli1, which was present in the great majority of microglia in the spinal dorsal horn. Our results showed that spinal Peli1 contributed to the induction and maintenance of CCI-induced neuropathic pain. The biochemical data revealed that CCI-induced Peli1 in the spinal cord significantly increased mitogen-activated protein kinase (MAPK) phosphorylation, activated nuclear factor kappa B (NF-κB), and enhanced the production of proinflammatory cytokines, accompanied by spinal microglial activation. Peli1 additionally was able to promote K63-linked ubiquitination of TRAF6 in the ipsilateral spinal cord following CCI. Furthermore, we demonstrated that Peli1 in microglial cells significantly enhanced inflammatory reactions after LPS treatment.
conclusionThese results suggest that the upregulation of spinal Peli1 is essential for the pathogenesis of neuropathic pain via Peli1-dependent mobilization of spinal cord microglia, activation of MAPK/NF-κB signaling, and production of proinflammatory cytokines. Modulation of Peli1 may serve as a potential approach for the treatment of neuropathic pain.
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