ArticleJournal of molecular histology2025
Minocycline attenuates TLR-4, NF-kB, TNF-α and COX-2 protein expression after lipopolysaccharide-induced neuroinflammation in the rat medial prefrontal cortex (mPFC).
Article in Journal of molecular histology, 2025. 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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Who cites it
2 citing papers in PubMed.
- Effects ofFrontiers in nutrition · 2026Trial
- L-Carnitine Prevents Lipopolysaccharide-Induced Inflammatory Response, Microglia Activation and Neuronal Damage in Cerebral Cortex, as Well as Neuromotor Development Delay in Neonatal Glutaryl-CoA Dehydrogenase Deficient (GcdhJournal of inherited metabolic disease · 2026Article
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Authors and funding
4 authors.
Funding
Abstract
Minocycline has been shown to ameliorate neuroinflammation that was encountered in many neurodegenerative diseases. This study aims to investigate the expression of inflammatory mediators in the rat medial prefrontal cortex (mPFC) after minocycline treatment in a lipopolysaccharide (LPS)- induced neuroinflammation rat model. Adult male Sprague Dawley (SD) rats (N = 50) were divided into 5 groups: (1) control, (2) LPS (5 mg/kg), (3) LPS + minocycline (25 mg/kg), (4) LPS + minocycline (50 mg/kg) and (5) LPS + memantine (10 mg/kg). Intraperitoneal minocycline and memantine were given daily for 14 days, while LPS injection was given once on the 5th day. Western blot and immunohistochemistry were used to assess density and expression of toll-like receptor-4 (TLR-4), nuclear factor kappa-B (NF-kB), tumor necrosis factor (TNF)-α and cyclooxygenase (COX)-2 in the medial prefrontal cortex (mPFC) of rats. Findings displayed that minocycline significantly decreased expression and density of TLR-4, NF-kB, TNF-α and COX-2 proteins that were comparable to memantine in mPFC of SD rat injected with single intraperitoneal LPS. Interestingly, the anti-inflammatory effects of minocycline 50 mg/kg were significantly more than minocycline 25 mg/kg. This study suggested that minocycline can modulate LPS-induced neuroinflammation in dose-dependent manner in the mPFC area. Thus, it is suggested that minocycline can be used as potential preventive-therapeutic drug for neuroinflammatory diseases such as depression and anxiety.
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