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KMID : 1161420210240060569
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Journal of Medicinal Food
2021 Volume.24 No. 6 p.569 ~ p.576
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Fermented Red Ginseng Alleviates Ovalbumin-Induced Inflammation in Mice by Suppressing Interleukin-4 and Immunoglobulin E Expression
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Bae Chu-Hyun
Kim Ji-Soo
Nam Woo
Kim Hyeon-Ji
Kim Joo-Yun
Nam Bo-Ra
Park Soo-Dong
Lee Jung-Lyoul
Sim Jae-Hun
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Abstract
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Ginseng (the root of Panax ginseng Meyer) has been reported to have many biologic therapeutic effects, including anti-inflammatory properties, and ginsenosides are considered as one of the factors responsible for these therapeutic effects. To improve their therapeutic action, probiotic bacteria are used to ferment and chemically transform ginsenosides in red ginseng (RG). In this study, we aimed to investigate the beneficial effects of RG fermented by probiotic bacteria (FRG) against ovalbumin (OVA)-induced allergic rhinitis in a mouse model. We induced the mouse model via OVA inhalation; experimental results revealed increased immunoglobulin E (IgE) and interleukin (IL)-4 levels, leading to Th2-type cytokine response. The mice with induced allergy were then orally administered RG and FRG over 2 weeks, as a result of which, IL-4 and IgE levels in bronchoalveolar lavage fluid, nasal fluid, and serum were found to be ameliorated more effectively by FRG than by RG, suggesting that FRG has better immune regulatory effects than RG. FRG also downregulated immune cell levels, such as those of eosinophils and basophils, and significantly decreased the thickness of OVA-induced respiratory epithelium compared to RG. Collectively, the results showed that FRG treatment alleviates inflammation, thereby extending a protective effect to mice with OVA-induced inflammatory allergic rhinitis.
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KEYWORD
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allergic rhinitis, fermented red ginseng, OVA, probiotics
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