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Effects of Scutellariae Radix on gene expression in HEK 293 cells using cDNA microarray.

Chen CS, Chen NJ, Lin LW, Hsieh CC, Chen GW, Hsieh MT

Institute of Chinese Medical Sciences, China Medical University, 91 Hsueh Shih Road, Taichung 404, Taiwan, ROC.

The aim of the present study was to elucidate the molecular mechanisms underlying the anti-inflammatory effect of Scutellaria Radix (SR). The complementary DNA (cDNA) microarray method was used to survey the effects of SR on the changes of gene expression profile in HEK293 cells. Based on differential expression, 66 genes were selected for further analysis from 9,600 candidate genes in the microarray; 23 genes were validated by RT-PCR. The broad spectrum of the differentially expressed genes, including those associated with inflammation, immune response, energy metabolism, as well as others, such as ISGF3G, IL6ST, CD98, ATP5G2, PHKG2, YB-1 and SLC7A4, indicate overall cellular response to SR treatment. Our results suggest that the anti-inflammatory effect of SR may be related to IL6ST down-expression, and over-expression of CD98. Moreover, SR-related improvement in immune response may be related to the ISGF3G over-expression.

Published 1 May 2006 in J Ethnopharmacol, 105(3): 346-51.
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