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These results suggest that the Cordyceps militaris extract may be useful for the treatment of atopic dermatitis-like skin lesions.

PMID: 

Phys Act Nutr. 2020 Dec ;24(4):7-14. Epub 2020 Dec 31. PMID: 33539689

Abstract Title: 

Anti-atopic dermatitis properties of Cordyceps militaris on TNFα/IFNγ-stimulated HaCaT cells and experimentally induced atopic dermatitis in mice.

Abstract: 

Purpose: This study evaluated the anti-atopic dermatitis (AD) properties of Cordyceps militaris (CM) aqueous extract in keratinocytes in vitro and in vivo. We investigated the nutraceutical composition of the CM extract, including its protein, carbohydrate, and selected phytochemical content.Methods: The expression of pathogenic cytokines in keratinocytes was assayed using an in vitro model. The CM extract downregulated extracellular signal-regulated kinase 1/2 (ERK1/2) and p38 kinase expression in TNFα/IFNγ-stimulated HaCaT cells. We also established an in vivo AD model by repeatedly exposing the ears of mice to local Dermatophagoides farinae extract (DFE; house dust mite extract) and 2,4-dinitrochlorobenzene (DNCB). The epidermal and dermal ear thickness, mast cell infiltration, and serum immunoglobulin levels were measured following a 4-week oral administration of the CM extract.Results: Histopathological examination showed reduced epidermal/dermal thickness and mast cell infiltration in mouse ears. The CM extract also suppressed serum immunoglobulin levels and gene expression of T helper (Th)1/Th2 cytokines in mouse ear tissue.Conclusion: These results suggest that the CM extract may be useful for the treatment of AD-like skin lesions.

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