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KMID : 1160620060110040268
Preventive Nutrition and Food Science
2006 Volume.11 No. 4 p.268 ~ p.272
Immunomodulatory Effects of Cimicifugae Rhizoma Extracts in Macrophages
Pyo Suhk-Neung

Kim Byung-Oh
Choi Hye-Sook
Son Eun-Wha
Abstract
Cimicifugae Rhizoma (CR) belongs to the Ranunculaceae family, which has been traditionally used to treat climacteric complaints, antipyretics and diaphoresis as an alternative medicine for estrogen hormone replacement therapy with estrogens. Recently, it has been reported that different extract fractions of CR have various effects such as anti-allergic, anti-inflammatory and anti-proliferative activities. The current study investigated the immunomodulatory effects of Cimicifugae Rhizoma water extracts (CRE) in the macrophage-like cell line, Raw 264.7. Our results showed that CRE (1¢¦50 §¶/mL) stimulated tumoricidal activity and NO production, whereas phagocytic activity was inhibited at the same concentrations. Additionally, iNOS mRNA expression was significantly increased in Raw 264.7 exposed to CRE as demonstrated by RT-PCR. These results indicate that the tumoricidal activity induced by CRE may be mediated by the production of NO and these activities may be useful for the treatment of diseases such as cancer.
KEYWORD
Cimicifugae Rhizoma, nitric oxide, macrophage, immunomodulation, tumoricidal activity
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