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Abstract Title:

Diets containing pomegranate polyphenol and soy isoflavone attenuate contact hypersensitivity in mice.

Abstract Source:

Biosci Biotechnol Biochem. 2019 Mar ;83(3):525-530. Epub 2018 Nov 10. PMID: 30417760

Abstract Author(s):

Takao Nagano, Hideyuki Ito

Article Affiliation:

Takao Nagano

Abstract:

Contact hypersensitivity (CHS) is frequently used as an animal model for human allergic contact dermatitis (ACD). Diets of pomegranate polyphenols (PPs) or soy isoflavones (SIs) each alleviated CHS symptoms; however, the effect of diets containing a mixture of PPs and SIs on CHS is unclear. We investigated the CHS-inhibitory effects of diets supplemented with a mixture of PPs and SIs at human physiologically relevant doses. Consuming the mixture of PPs and SIs attenuated ear swelling and reduced infiltration of Gr-1-positive cells. Ear swelling decreased in the PP and SI-treated mice compared to the SI-treated mice. The auricle tissues of the PP and SI-fed mice exhibited decreased production of CXCL2 and MCP-5 compared to the SI- and PP-treated mice, respectively. These results suggest that dietary supplementation with a mixture of PPs and SIs may have ACD-preventive effects and may prove more beneficial than supplementation with PPs or SIs alone.

Study Type : Animal Study

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