Publications by authors named "Shi-Fen Dong"

Mineral Chinese medicine is the distinctive part of the Chinese traditional medicine. The mineral Chinese medicines containing mercury elements such as cinnabaris, calomelas and hydrargyri oxydum rubrum are widely applied in the clinical conditions because of their efficacy of sedative, sterilization, removing necrotic tissue and promoting granulation. However, the rationality and security of clinical application are questioned because of the toxic effect caused by mercury compounds.

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The Chinese herbal compound formula preparation was made based on theory of Chinese medicine, which was confirmed by long period clinical application, and with multi-compound and multi-target characteristics. During the exploitation process of innovation medicine of Chinese herbal compound formula, selecting and speeding up the research development of drugs with clinical value shall be paid more attention, and as request of rules involved in new drug research and development, the whole process management should be carried out, including project evaluation, manufacturing process determination, establishment of quality control standards, evaluation for pharmacological and toxic effect, as well as new drug application process. This reviews was aimed to give some proposals for pharmacodynamics research methods involved in exploration of Chinese herbal compound formula preparation, including: ①the endpoint criteria should meet the clinical attribution of new drugs; ②the pre-clinical pharmacodynamics evaluation should be carried on appropriate animal models according to the characteristics of diagnosis and therapy of Chinese medicine and observation indexes; ③during the innovation of drug for infants and children, information on drug action conforming to physiological characteristics of infants and children should be supplied, and the pharmacodynamics and toxicology research shall be conducted in immature rats according to the body weight of children.

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We aimed to investigate the effect of berberine on adipose tissues, as well as its effect on renal injury in 3T3-L1 cells and spontaneously hypertensive rats. 3T3-L1 cells were cultured and treated with berberine (5-20 pM) from days 3 to 8. Berberine added to the cultured medium could significantly down-regulate transcription factors, including CCAAT/enhancer binding protein β, CCAAT/enhancer binding protein a, and peroxisome pro liferator-activated receptor y, and suppress peroxisome proliferator-activated receptor target genes, such as adipocyte fatty acid binding protein and fatty acid synthase, and inhibit 3T3-Ll fibroblast differentiation to adipocytes.

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The 3T3-L1 cell line is one of the most well-characterized and reliable models for studying adipocytes. Increased oxidative stress in accumulated fat was found in 3T3-L1 cells. Berberine, an isoquinoline alkaloid, could suppress fat deposition in 3T3-L1 cells; however, whether berberine suppresses increased oxidative stress is not well known.

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The positive effects of berberine (30 mg/kg/day, i.g. for 6 weeks) on cardiac dysfunction were evaluated in the rat model of hyperglycemia and hypercholesterolemia.

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