ArticleCurrent molecular medicine2025
Caffeic Acid Reduces Ferroptosis to Dampen Inflammation of Keratinocytes in Psoriasis by Inhibiting EGR1-induced Transcription Activation of CHAC1.
Article in Current molecular medicine, 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.
- Multi-Target Anti-Psoriatic Effects ofMolecules (Basel, Switzerland) · 2026Article
- Shengqing Jiangzhuo Capsule Alleviates Intestinal Inflammation in Chronic Kidney Disease by Downregulating CHAC1 to Inactivate the HIF-1 Pathway.Mediators of inflammation · 2025Article
Corrections and comments
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundFerroptosis of keratinocytes is closely associated with amplification of skin inflammation in psoriasis. This study focuses on unlocking the role of caffeic acid (CA), a polyphenol compound, in keratinocyte ferroptosis and understanding the underlying mechanistic basis.
methodsThe interaction between early growth response protein 1 (EGR1) and chac glutathione specific γ.glutamylcyclotransferase 1 (CHAC1) was predicted by bioinformatics and validated via chromatin immunoprecipitation and dual-luciferase reported assays. Their expressions in primary human epidermal keratinocytes were altered by transfection of EGR1/CHAC1 overexpression or knockdown plasmids, and then keratinocytes were followed by CA treatment and Erastin (ferroptosis inducer). Keratinocyte viability was determined by CCK-8 assay, and the ferroptotic effect was evaluated using colorimetric assay and flow cytometry. Proinflammatory cytokine secretion by keratinocytes was detected via ELISA. Expressions of EGR1 and CHAC1 in keratinocytes were analyzed by qRT-PCR or Western blot.
resultsIncreased expressions of EGR1 and CHAC1 were detected in keratinocytes with Erastin treatment. CA (100 μM) antagonized Erastin (10 μM)-induced decrease in viability, increases in EGR1 and CHAC1 expressions, upregulation of MDA, ROS, and Fe
conclusionCA reduces ferroptosis by inhibiting EGR1-induced activation of CHAC1 to dampen inflammation of keratinocytes in psoriasis. This study providing new compounds and candidate targets for the clinical treatment of psoriasis.
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