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KMID : 0616120190500030219
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Korean Journal of Pharmacognosy
2019 Volume.50 No. 3 p.219 ~ p.225
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Aged Doraji (Platycodon grandiflorum) Ameliorates Cyclophosphamide-Induced Immunosuppression in Mice
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Choi Ji-Hye
Lee Eun-Byeol
Park Yang-Gyu
Lee Hye-Kyung
Jang Hwan-Hee
Choe Jeong-Sook
Hwang Kyung-A
Park Shin-Young
Hwang In-Guk
Hong Ha-Cheol
Lee Hae-Jeung
Jeong Hyun-Cheol
Kim Hyun-Ju
Lee Sung-Hyun
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Abstract
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This study was done to examine immunomodulative effects of aged doraji (AD) in the immune-suppressed mice induced by cyclophosphamide. The immune-stimulating effects of ethanol AD extract in in vivo at 75 and 150 mg/kg body weight (BW) for AD and 2AD groups were evaluated and compared to the normal doraji group (2ND, 150 mg/kg BW) treated with a doraji without aging process. After the 10 days of oral supplement, body and immune related organ weights, serum immunoglobulin G (IgG) and cytokines levels, splenocytes proliferation rate, and splenic NK cell activity were measured as immune-related biomarkers. Body weight and serum IgG level increased in the 2AD group. But, the serum Th2 cytokine (IL-6, TNF-a) levels were lower in the AD and 2AD groups, respectively. Splenic T cell and B cell proliferation and NK cell activity increased in the doraji groups and the significant increases were found only in the 2AD group. Thus, the aged doraji extract may affect body weight, serum IgG level, splenocytes proliferation, and splenic NK cell activity, and normalize the Th2 cytokine levels in the immune-suppressed mice. The results suggest that the aged doraji improves effectively immune system rather than the normal one.
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KEYWORD
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Platycodon grandiflorum, Immune, Splenocyte proliferation, Serum cytokine, NK cell activity
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