ArticleJournal of neuroinflammation2020
Advanced oxidation protein products induce microglia-mediated neuroinflammation via MAPKs-NF-κB signaling pathway and pyroptosis after secondary spinal cord injury.
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 199 papers, 3 of them syntheses that pooled it.
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Who cites it
199 citing papers in PubMed, 3 syntheses or guidelines pooled it, 417 citations in OpenAlex.
- Neuroprotective effect and possible mechanism of edaravone in rat models of spinal cord injury: a systematic review and network meta-analysis.Frontiers in pharmacology · 2025Pooled it
- Astaxanthin promotes locomotor function recovery and attenuates tissue damage in rats following spinal cord injury: a systematic review and trial sequential analysis.Frontiers in neuroscience · 2023Pooled it
- Pooled it
- ROS-responsive hydrogel delivering liposomal indole-3-propionic acid promotes spinal cord injury repair by enhancing CX3CL1-CX3CR1 mediated neuron-microglia communication.Materials today. Bio · 2026Article
- Early high‑frequency spinal cord stimulation modulates the ROS/p38 MAPK/NF‑κB and CXCL10/CXCR3 pathways to alleviate neuropathic pain and promote spinal cord injury repair.International journal of molecular medicine · 2026Article
- Morpho-crystallo-electronic Co-optimization of PtAu/GOx nanozyme for enhanced NIR-II photothermal-cascade catalytic tumor therapy.Materials today. Bio · 2026Article
- Irisin-BDNF axis mediates muscle-brain communication: a complete molecular cascade and potential bidirectional feedback from peripheral activation to central protection.Biogerontology · 2026Review
- Vaginal Infection in Pregnancy Is Associated with Amniotic Oxidative Stress: Insights from AOPP and MDA on Neonatal Outcomes.Antioxidants (Basel, Switzerland) · 2026Article
- Recombinant Artemin-Fc Fusion Protein Attenuates TLR4/NF-κB-Associated Neuroinflammation and Modulates Inhibitory/Excitatory Synaptic Marker Expression After Spinal Cord Injury.CNS neuroscience & therapeutics · 2026Article
- Forkhead box versus NF-κB hippocampal snRNA-seq profiles distinguish anti-Drebrin- and anti-GAD65-positive encephalitis.Journal of neuroinflammation · 2026Article
- Advances in understanding the NLRP3 inflammasome‑mediated mechanisms and therapeutic targets in diabetic nephropathy (Review).International journal of molecular medicine · 2026Review
- Emerging role of copper in the pathophysiology of spinal cord injury.Neural regeneration research · 2026Article
- Myeloid Cdc42 deficiency-mediated macrophage pyroptosis exacerbates diabetic cardiomyopathy in type 1 diabetes mellitus.Cardiovascular diabetology · 2026Article
- The Role of Nuclear Factor Erythroid 2-Related Factor 2 in the Crosstalk Between Oxidative Stress and M1/M2 Microglial Polarization Following Ischemic Stroke.Molecular neurobiology · 2026Review
- Feilike and Its Constituent Licochalcone B Trigger Caspase-3/GSDME-Mediated Pyroptosis in Triple-Negative Breast Cancer via Modulation of the Mutant p53-Calcium/ER Stress-ROS-MAPK Axis.Antioxidants (Basel, Switzerland) · 2026Article
- Identification of a mitochondrial biomarker signature linking neuroinflammation to neuronal dysfunction in spinal cord injury.Scientific reports · 2026Article
- Trimethylamine N-Oxide Aggravates Neuro-inflammation in Spinal Cord Injury Through NLRP3 Inflammasome Activation in Microglia.Molecular neurobiology · 2026Article
- AGE-RAGE Axis Involvement in Allergies and Autoimmunity: Cellular Signaling, Barrier Dysfunction and Immune Polarization.Biomolecules · 2026Review
- Spatiotemporal delivery of multifunctional nanozymes for neuroinflammation alleviation via autophagy modulation in spinal cord injury.Materials today. Bio · 2026Article
- Review
139 more citing papers are in PubMed but not listed here.
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Authors and funding
9 authors at 1 institution in 1 country.
Funding
Abstract
backgroundInflammatory response mediated by oxidative stress is considered as an important pathogenesis of spinal cord injury (SCI). Advanced oxidation protein products (AOPPs) are novel markers of oxidative stress and their role in inflammatory response after SCI remained unclear. This study aimed to investigate the role of AOPPs in SCI pathogenesis and explore the possible underlying mechanisms.
methodsA C5 hemi-contusion injury was induced in Sprague-Dawley rats to confirm the involvement of AOPPs after SCI. For in vivo study, apocynin, the NADPH oxidase inhibitor was used to study the neuroprotective effects after SCI. For in vitro study, the BV2 microglia cell lines were pretreated with or without the inhibitor or transfected with or without small interference RNA (siRNA) and then stimulated with AOPPs. A combination of molecular and histological methods was used to clarify the mechanism and explore the signaling pathway both in vivo and in vitro. One-way analysis of variance (ANOVA) was conducted with Bonferroni post hoc tests to examine the differences between groups.
resultsThe levels of AOPPs in plasma and cerebrospinal fluid as well as the contents in the spinal cord showed significant increase after SCI. Meanwhile, apocynin ameliorated tissue damage in the spinal cord after SCI, improving the functional recovery. Immunofluorescence staining and western blot analysis showed activation of microglia after SCI, which was in turn inhibited by apocynin. Pretreated BV2 cells with AOPPs triggered excessive generation of reactive oxygen species (ROS) by activating NADPH oxidase. Increased ROS induced p38 MAPK and JNK phosphorylation, subsequently triggering nuclear translocation of NF-κB p65 to express pro-inflammatory cytokines. Also, treatment of BV2 cells with AOPPs induced NLRP3 inflammasome activation and cleavage of Gasdermin-d (GSDMD), causing pyroptosis. This was confirmed by cleavage of caspase-1, production of downstream mature interleukin (IL)-1β and IL-18 as well as rupture of rapid cell membrane.
conclusionsCollectively, these data indicated AOPPs as biomarkers of oxidative stress, modulating inflammatory response in SCI by multiple signaling pathways, which also included the induction of NADPH oxidase dependent ROS, and NLRP3-mediated pyroptosis, and activation of MAPKs and NF-κB.
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