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KMID : 0613820150250101156
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Journal of Life Science
2015 Volume.25 No. 10 p.1156 ~ p.1163
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DEU-7 Derived from Ulmus macrocarpa Improved Immune Functions in Cyclophosphamide-treated Mice
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Kang Kyung-Hwa
Go Ji-Su
Lee Sang-Ho
Lee In-Hwan
Lee Sung-Do
Kim Deok-Won
Lee Jong-Hwan
Hwang Hye-Jin
Hyun Sook-Kyung
Kim Byung-Woo
Kim Cheol-Min
Chung Kyung-Tae
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Abstract
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The present study investigated the immunomodulatory properties of four different medicinal plants in a cyclophosphamide-treated Balb/c mouse model. One of the four plants, Ulmus macrocarpa, showed partial resistance against immune suppression induced by cyclophosphamide. The bark of U. macrocarpa, commonly known as the Chinese elm, has been used as a pharmaceutical material in Korean traditional medicine to treat bacterial inflammation and induce wound healing. In this study, water extract of U. macrocarpa, named DEU-7, was used for its immunomodulating functional activity. DEU-7 increased the weight of the spleen and the number of splenocytes but did not significantly affect the liver, kidney, and thymus in vivo. A splenocyte viability assay confirmed that DEU-7 influenced ex vivo splenocyte survival. DEU-7 also increased the levels of cytokines, such as IL-2 and IL-4, and immunoglobulins, such as IgM, IgG, and IgA. These results indicated that DEU-7 is involved in the activation of T and B lymphocytes. In addition, DEU-7 was able to maintain the production of cytokines, such as TNF-α, IL-12, and IFN-γ, in the condition of cyclophosphamide-induced immune suppression, suggesting that DEU-7 activated innate immune cells, even under immune suppression. We concluded that DEU-7 aids immunological homeostasis, thereby preventing immune suppression, and aids both innate and adaptive immune response by maintaining the levels of various cytokines and immunoglobulins. Consequently, it is worth investigating the potential of DEU-7 as a supplemental source for immune-enhancing agents.
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KEYWORD
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Cytokines, immunomodulator, immunoglobulins, immunosuppression, Ulmus macrocarpa
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