ArticleEndocrine, metabolic & immune disorders drug targets2026
Esketamine Reduces Lung Injury Caused by Limb Ischemia-Reperfusion by Regulating Oxidative Stress via the TLR4/NF-κB/NLRP3 Pathway
Article in Endocrine, metabolic & immune disorders drug targets, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed.
- Esketamine alleviates COPD-depression comorbidity in rats via MAPK/NF-κB inhibition and gut-lung-brain axis modulation.Journal of neuroinflammation · 2026Article
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Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundEsketamine has shown promise in mitigating tissue damage caused by ischemia- reperfusion injury, making it a potential therapeutic candidate for acute lung injury (ALI) induced by limb ischemia-reperfusion (LIR-ALI).
objectiveThis study sought to explore the role and mechanism of esketamine in the LIR-ALI rat model.
methodsThe effects of esketamine on the LIR-ALI rats model were evaluated through histopathological examination, assessment of pulmonary edema, measurement of MDA and SOD levels, and analysis of inflammatory cytokine levels (IL-1β, etc.) in the bronchoalveolar fluid (BALF) and serum. Western blot analysis was used to assess the expressions of TLR4, NF-κB, and NLRP3. TLR4 agonist, LPS, was used to validate the role of NF-κB/NLRP3 pathway in LIRALI.
resultsEsketamine significantly alleviated LIR-induced ALI by reducing pulmonary edema, inflammatory cell infiltration, and oxidative stress. Elevated MDA content and suppressed SOD activity were significantly reversed by esketamine, along with inactivity of the TLR4/NF-κB/NLRP3 pathway. Esketamine treatment reduced inflammatory response in BALF and serum. TLR4 activation by LPS reversed the ameliorative effects of esketamine on LIR-ALI.
conclusionEsketamine protected against LIR-induced ALI by mitigating oxidative stress and suppressing the TLR4/NF-κB/NLRP3 axis. These findings highlight the potential therapeutic value of esketamine for ALI.
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