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Study on mechanism of combined administration of Coptidis Rhizoma and Rehmanniae Radix in treating type II diabetes mellitus / 中国中药杂志
Article in Chinese | WPRIM | ID: wpr-321392
Responsible library: WPRO
ABSTRACT
To make a preliminary study on the mechanism of Coptidis Rhizoma(CR) and Rehmanniae Radix(RR) before and after the combined administration in treating type II diabetes mellitus. The type I diabetes animal model in rats was established by fat emulsion and intraperitoneal injection with streptozotocin, in order to compare the hpyerglycemic and hypolipidemic effects of CR, RR and their combined administration of different ratio. The urinary metabolic profiling in rats of Coptidis Rhizoma and Rehmanniae Radix before and after the combined administration was analyzed by using the gas chromatography-mass spectrometry. The differences among groups in metabolome were analyzed by the principal component analysis (PCA). The biochemical index results indicated that both CR and RR before and after the combined administration could lower high blood glucose, hypertriglyceride and high cholesterol. According to the analytical results of PCA of the rats' urine samples, the CR group was the most close to the normal group, with no significant difference in CR and RR group of different combination ratios. Twelve differentiated metabolites were identified to be related to type II diabetes. Compared with the normal group, the CR-treated group showed significant increase in seven differentiated metabolites. Among CR and RR drugs with different combination ratios, CR played a major role and thus acted as the monarch drug. Whereas RR served as the ministerial drug and assisted CR to show the efficacy. This study laid a foundation for the explanation of the combination mechanism of traditional Chinese medicines.
Subject(s)
Full text: Available Index: WPRIM (Western Pacific) Main subject: Pharmacology / Rats / Urine / Blood / Blood Glucose / Male / Drugs, Chinese Herbal / Chemistry / Rats, Wistar / Rehmannia Language: Chinese Journal: China Journal of Chinese Materia Medica Year: 2014 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Pharmacology / Rats / Urine / Blood / Blood Glucose / Male / Drugs, Chinese Herbal / Chemistry / Rats, Wistar / Rehmannia Language: Chinese Journal: China Journal of Chinese Materia Medica Year: 2014 Type: Article