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OBJECTIVE To investigate the role of active component of Isatidis Radix on insulin resistance in the diabetes mellitus rat.METHODS To induce diabetic rat model with long-term high sugar and high fat plus low-dose streptozotocin(25 mg·kg-1).Then rats were randomly divided into 6 groups:control group,model group,rosiglitazone maleate group(0.3mg·kg-1),high(100mg·kg-1),middle(50mg·kg-1)and low(25 mg·kg-1)active component of Isatidis Radix group.Drugs were adiministered orally once a day.After four weeks,following substances were measured:serum fasting blood glucose,total cholesterol,triglycerides,high density lipoprotein,low density lipoprotein,free fatty acids,fasting insulin,insulin index,pathological observation and immunohistochemistry technology of pancreas islet.RESULTS High and middle active component of Isatidis Radix group could decrease serum FBG,TC,TG,LDL,FFA,FINS and increase serum HDL,ISI;the damage of the pancreas islet has been restoration partly.CONCLUSION Active component of Isatidis Radix could improve insulin resistance in diabetic rats,which might be related to improvement of the function of pancreas islet.
OBJECTIVE To investigate the role of active component of Isatidis Radix on insulin resistance in the diabetes mellitus rat. METHODS To induce diabetic rat model with long-term high sugar and high fat plus low-dose streptozotocin (25 mg · kg -1) .Then The rats were randomly divided into 6 groups: control group, model group, rosiglitazone maleate group (0.3 mg · kg -1), high (100 mg · kg -1), middle (50 mg · kg -1) -1) active component of Isatidis Radix group. Drugs were adiministered orally once a day. After four weeks, following substances were measured: serum fasting blood glucose, total cholesterol, triglycerides, high density lipoprotein, low density lipoprotein, free fatty acids, fasting insulin, insulin index, pathological observation and immunohistochemistry technology of pancreas islet. RESULTS High and middle active component of Isatidis Radix group could decrease serum FBG, TC, TG, LDL, FFA, FINS and increase serum HDL, ISI; the damage of the pancreas islet has been 究 partly.CONCLUSION Active comp onent of Isatidis Radix could improve insulin resistance in diabetic rats, which might be related to improvement of the function of pancreas islet.