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KMID : 0363620080290030088
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Journal of Korean Oriental Medicine
2008 Volume.29 No. 3 p.88 ~ p.99
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In Vitro Study of Anti-inflammatory and Analgesic Effects of Salvia Miltiorrhiza (SM) Extracts Using Luciferase Reporter Gene Assay
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Kim Hee-Eun
Kim Jang-Hyun
Min Sang-Yeon
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Abstract
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Objectives: In order to identify the anti-inflammatory and analgesic properties of Salvia miltiorrhiza (Dan-Sam), widely used in Korean traditional medicine, an in vitro screening system was designed using pGL3, a luciferase reporter vector, and the tumor necrosis factor (TNF)- and cyclooxygenase (COX)-2 as target genes.
Methods: The promoter regions of each gene were generated by PCR using the human chromosome as template DNA, and inserted into pGL3 vector with Kpn I and Hind III. The final construct was transfected into human myelomonocytic leukemia cells (U-937) that could be differentiated and activated by phorbol 12-myristate 13-acetate (PMA) or lipopolysaccharide (LPS). Using this system, the anti-inflammatory and analgesic effects of several herbal extracts regarded to have the medicinal effects of diminishing body heat and complementing Qi were tested. The chemicals PD98059 and berberine chloride were used as controls of the transcriptional inhibitors of TNF- and COX-2, respectively.
Results: Salvia miltiorrhiza (Dan-Sam) demonstrated significant decrease of TNF- and COX-2 mRNA in the in vitro assay system. In MTT assay, Salvia miltiorrhiza (Dan-Sam) did not significantly inhibit the survival and proliferation of human myelomonocytic leukemia cells (U-937).
Conclusions: Salvia miltiorrhiza (Dan-Sam) was found to exhibit the significant medicinal properties of anti-inflammatory and analgesic effects.
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KEYWORD
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Salvia miltiorrhiza, anti-inflammatory effect, analgesic effect
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