Gene Expression Profiling on the Molecular Action of Danshen-Gegen Formula in a Randomized Placebo-Controlled Trial of Postmenopausal Women with Hypercholesterolemia

Author:

Koon Chi-Man12,Ko Chun-Hay12,Sun Xu-Xu12,Hoi Sandy Wan-Heng123,Tam Jacqueline Chor-Wing12,Cheung David Wing-Shing12,Cheng King-Fai12,Pang Suet-Yee12,Lo Wing-Man12,Chook Ping12,Lau Clara Bik-San12,Chan Wai-Yee3,Leung Ping-Chung12,Kwok Timothy Chi-Yui4,Fung Kwok-Pui1235

Affiliation:

1. Institute of Chinese Medicine, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong

2. State Key Laboratory of Phytochemistry & Plant Resources in West China, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong

3. School of Biomedical Sciences, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong

4. Department of Medicine and Therapeutics, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong

5. The Chinese University of Hong Kong-Zhejiang University Joint Laboratory on Natural Products and Toxicology Research, Shatin, New Territories, Hong Kong

Abstract

The Danshen-Gegen formula (DG) is a traditional Chinese herbal formula which has long been used to treat cardiovascular disease. DG was found to be a cardiovascular tonic in our recent research. However, a comprehensive investigation of the molecular mechanism of DG in cardiovascular disease has not been performed. The aim of this study was to clarify the transcriptional profiling of genes modulated by DG on postmenopausal women by using DNAmicroarray technology. We obtained 29 whole blood samples both from DG-treated and placebo-treated subjects. Blood lipid profile and intima-media thickness (IMT) were measured. Affymetrix GeneChip was used to identify differentially expressed genes (DEGs), followed by validation by the real-time PCR method. The results showed that DG-treated group has a significant improvement in IMT and lipid profile as compared to placebo-treated group. For the genomic study, the DG-treated group has a higher number of DEGs identified as compared to the placebo-treated group. Two important biological processes of “regulation of systemic arterial blood pressure by hormone” and “regulation of smooth muscle proliferation” have been identified by GePS in the DG-treated group. No significant biological process and cellular components were identified in the placebo-treated group. This genomic study on the molecular action of DG in postmenopausal women gathered sufficient molecular targets and pathways to reveal that DG could improve neointima thickening and hypertension.

Funder

Hong Kong Special Administrative Region

Publisher

Hindawi Limited

Subject

Complementary and alternative medicine

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