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  • Antihyperglycemic Effects of Baicalin on Streptozotocin – Nicotinamide induced Diabetic Rats

    Author(s)
    Li, HT
    Wu, XD
    Davey, AK
    Wang, J
    Griffith University Author(s)
    Davey, Andrew
    Year published
    2011
    Metadata
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    Abstract
    The aim of the study was to investigate the effects of baicalin on blood glucose, insulin and cytokine levels. Rat diabetes was induced by intraperitoneal (i.p.) injection of nicotinamide and streptozotocin. Diabetic rats were dosed with i.p. baicalin or oral metformin daily for 8 days. Blood glucose, insulin and hepatic glycogen were determined using conventional methods. The activity of hepatic hexokinase was determined using a coupled assay with glucose-6-phosphate dehydrogenase. Serum levels of interleukin-6 (IL-6), tumor necrosis factor-a (TNF-a) and adiponectin were measured by enzyme-linked immunosorbent assay. ...
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    The aim of the study was to investigate the effects of baicalin on blood glucose, insulin and cytokine levels. Rat diabetes was induced by intraperitoneal (i.p.) injection of nicotinamide and streptozotocin. Diabetic rats were dosed with i.p. baicalin or oral metformin daily for 8 days. Blood glucose, insulin and hepatic glycogen were determined using conventional methods. The activity of hepatic hexokinase was determined using a coupled assay with glucose-6-phosphate dehydrogenase. Serum levels of interleukin-6 (IL-6), tumor necrosis factor-a (TNF-a) and adiponectin were measured by enzyme-linked immunosorbent assay. Administration of baicalin at 50 or 100 mg/kg signifi cantly decreased plasma glucose levels in a dose dependent manner. The serum insulin level was not increased by baicalin treatment. Administration of baicalin at a high dose (100 mg/kg) resulted in a signifi cant increase of liver glycogen content and a reduction of serum TNF-a. The activity of hepatic hexokinase was signifi cantly increased after dosing baicalin at 25, 50 or 10 mg/kg. Administration of baicalin (50 or 10 mg/kg) or metformin (10 mg/kg) signifi cantly alleviated the morphological injury to the pancreas caused by STZ. The possible mechanisms contributing to the hypoglycemic effect include increasing the hepatic glycogen content and glycolysis, and reducing the serum levels of TNF-a.
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    Journal Title
    Phytotherapy Research
    Volume
    25
    Issue
    2
    DOI
    https://doi.org/10.1002/ptr.3238
    Subject
    Chemical sciences
    Biological sciences
    Biomedical and clinical sciences
    Pharmacology and pharmaceutical sciences not elsewhere classified
    Publication URI
    http://hdl.handle.net/10072/39342
    Collection
    • Journal articles

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