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RISS 인기검색어
- 검색키워드
- 저자 : Boxin Ou (검색결과 3 건)
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Kathleen F. Benson,Joni L. Beaman,Boxin Ou,Ademola Okubena,Olajuwon Okubena,Gitte S. Jensen 한국식품영양과학회 2013 Journal of medicinal food Vol.16 No.3
The impact of chronic inflammatory conditions on immune function is substantial, and the simultaneous application of anti-inflammatory and immune modulating modalities has potential for reducing inflammation-induced immune suppression. Sorghum-based foods, teas, beers, and extracts are used in traditional medicine, placing an importance on obtaining an increased understanding of the biological effects of sorghum. This study examined selected anti-inflammatory and immune-modulating properties in vitro of Jobelyn™, containing the polyphenol-rich leaf sheaths from a West African variant of Sorghum bicolor (SBLS). Freshly isolated primary human polymorphonuclear (PMN) and mononuclear cell subsets were used to test selected cellular functions in the absence versus presence of aqueous and ethanol extracts of SBLS. Both aqueous and nonaqueous compounds contributed to reduced reactive oxygen species formation by inflammatory PMN cells, and reduced the migration of these cells in response to the inflammatory chemoattractant leukotriene B4. Distinct effects were seen on lymphocyte and monocyte subsets in cultures of peripheral blood mononuclear cells. The aqueous extract of SBLS triggered robust upregulation of the CD69 activation marker on CD3− CD56+ natural killer (NK) cells, whereas the ethanol extract of SBLS triggered similar upregulation of CD69 on CD3+ CD56+ NKT cells, CD3+ T lymphocytes, and monocytes. This was accompanied by many-fold increases in the chemokines RANTES/CCL5, Mip-1α/CCL3, and MIP-1β/CCL4. Both aqueous and nonaqueous compounds contribute to anti-inflammatory effects, combined with multiple effects on immune cell activation status. These observations may help suggest mechanisms of action that contribute to the traditional use of sorghum-based products, beverages, and extracts for immune support.
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Tang, Yu-Ping,Li, Peng-Gao,Kondo, Miwako,Ji, Hong-Ping,Kou, Yan,Ou, Boxin The Korean Society of Food Science and Nutrition 2009 Journal of medicinal food Vol.12 No.4
The effect of a mangosteen product containing multivitamins and essential minerals was tested on immune function and well-being in healthy adults. A randomized, double blinded, placebo-controlled study was conducted in 59 healthy human subjects (40.60 years old). Changes from baseline immune function were measured after a 30-day consumption of the mangosteen product and the placebo. The subjects' self-appraisal of their health status was also surveyed. A xanthone-rich mangosteen product intake increased mean values for peripheral T-helper cell frequency (P=.020) and reduced the serum C-reactive protein concentration (P=.014). Increases in peripheral CD4/CD8 double-positive (DP) T-cell frequency and serum complement C3, C4, and interleukin (IL)-$1{\alpha}$ concentrations were significantly higher in the experimental group than in the placebo group (DP, P=.038; C3, P=.017; C4, P=.031; IL-$1{\alpha}$, P=.006). At the end of study, serum IL-$1{\alpha}$ and IL-$1{\beta}$ concentrations in the study group were significantly higher than that in the placebo group (IL-$1{\alpha}$, P=.033; IL-$1{\beta}$, P=.04). Furthermore, more participants in the experimental group reported greatly improved overall health status compared with participants receiving placebo (P=.001). The results indicated that the intake of an antioxidant-rich product significantly enhanced immune responses and improved the subject's self-appraisal on his or her overall health status.
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Yu-Ping Tang,Peng-Gao Li,Miwako Kondo,Hong-Ping Ji,Yan Kou,Boxin Ou 한국식품영양과학회 2009 Journal of medicinal food Vol.12 No.4
The effect of a mangosteen product containing multivitamins and essential minerals was tested on immune function and well-being in healthy adults. A randomized, double blinded, placebo-controlled study was conducted in 59 healthy human subjects (40–60 years old). Changes from baseline immune function were measured after a 30-day consumption of the mangosteen product and the placebo. The subjects' self-appraisal of their health status was also surveyed. A xanthone-rich mangosteen product intake increased mean values for peripheral T-helper cell frequency (P=.020) and reduced the serum C-reactive protein concentration (P=.014). Increases in peripheral CD4/CD8 double-positive (DP) T-cell frequency and serum complement C3, C4, and interleukin (IL)-1α concentrations were significantly higher in the experimental group than in the placebo group (DP, P=.038; C3, P=.017; C4, P=.031; IL-1α, P=.006). At the end of study, serum IL-1α and IL-1β concentrations in the study group were significantly higher than that in the placebo group (IL-1α, P=.033; IL-1β, P=.04). Furthermore, more participants in the experimental group reported greatly improved overall health status compared with participants receiving placebo (P=.001). The results indicated that the intake of an antioxidant-rich product significantly enhanced immune responses and improved the subject's self-appraisal on his or her overall health status.
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