ArticlePloS one2025
Minocycline inhibits rosacea-like inflammation through the TLR4-mediated NF-κB signaling pathway in vivo and in vitro.
Article in PloS one, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Targeting the Redox-NF-κB/NLRP3 axis with intranasal liposomal minocycline mitigates aluminum-induced cognitive and structural deficits.Molecular biology reports · 2026Article
- Therapeutic Potential of Isoniazid in Inflammatory Skin Diseases: A Review.Clinical, cosmetic and investigational dermatology · 2026Review
- Virtual screening identifies specnuezhenide as a potential therapeutic agent for rosacea via KLK5/TLR4/NF-κB pathway inhibition and metabolic modulation.Frontiers in immunology · 2026Article
- Unraveling the Mechanism of Cuochuangling Pills in Rosacea Treatment: An Integrated Approach Combining Network Pharmacology, Bioinformatics, and Experimental Validation.Clinical, cosmetic and investigational dermatology · 2026Article
Corrections and comments
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Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundRosacea is a chronic inflammatory skin disease characterized by multiple intricate pathogenic factors. Previous studies have substantiated the anti-inflammatory properties of minocycline and its potential therapeutic efficacy in treating rosacea. However, further elucidation of the underlying mechanism is warranted.
methodsHaCaT cells and BALB/c mice were treated with LL37. Moreover, the effect of minocycline on rosacea was explored through the addition of an NF-κB inhibitor (PDTC) or overexpression of Toll-like receptor 4 (TLR4). The expression of related markers was detected by western blotting, immunofluorescence, ELISA, flow cytometry, etc.
resultsMinocycline suppressed dermal infiltration of inflammatory cells in rosacea-like mice and reduced the expression of inflammatory cytokines in rosacea-like mice and cells. Moreover, minocycline downregulated the expression of TLR4 and p-NF-κB thereby inhibiting ROS production. However, overexpression of TLR4 or the addition of PDTC counteracted the effects of minocycline by promoting cellular inflammation and ROS production. Mechanistically, minocycline hinders TLR4/TNF-α activation induced by LL37 in skin and cells to suppress the expression of inflammatory cytokines.
conclusionMinocycline alleviates inflammation progression in rosacea by downregulating TLR4 and inhibiting the activation of the NF-κB pathway, providing a scientific basis for subsequent clinical treatment.
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