Journal
PHARMACEUTICAL BIOLOGY
Volume 53, Issue 9, Pages 1372-1378Publisher
TAYLOR & FRANCIS LTD
DOI: 10.3109/13880209.2014.982301
Keywords
Albino Wistar rats; Ca2+-ATPase; diabetes; Mg2+-ATPase; Na+/K+-ATPase; total ATPase
Funding
- Deanship of Scientific Research at King Saud University [RGP-VPP-249]
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Context: Kaempferol is a flavonoid found in many edible plants (e.g. tea, cabbage, beans, tomato, strawberries, and grapes) and in plants or botanical products commonly used in traditional medicine. Numerous preclinical studies have shown that kaempferol have a wide range of pharmacological activities, including antioxidant, anti-inflammatory, anticancer, cardioprotective, neuroprotective, and antidiabetic activities. Objective: The present study investigates the effect of kaempferol on membrane-bound ATPases in erythrocytes and in liver, kidney, and heart of streptozotocin (STZ)-induced diabetic rats. Materials and methods: Diabetes was induced into adult male albino rats of the Wistar strain, by intraperitoneal administration of STZ (40 mg/kg body weight (BW)). Kaempferol (100 mg/kg BW) or glibenclamide (600 mg/kg BW) was administered orally once daily for 45 d to normal and STZ-induced diabetic rats. The effects of kaempferol on membrane-bound ATPases (total ATPase, Na+/K+-ATPase, Ca2+-ATPase, and Mg2+-ATPase) activity in erythrocytes and in liver, kidney, and heart were determined. Results: In our study, diabetic rats had significantly (p<0.05) decreased activities of total ATPases, Na+/K+-ATPase, Ca2+-ATPase, and Mg2+-ATPase in erythrocytes and tissues. Oral administration of kaempferol (100 mg/kg BW) or glibenclamide (600 mg/kg BW) for a period of 45 d resulted in significant (p<0.05) reversal of these enzymes' activities to near normal in erythrocytes and tissues when compared with diabetic control rats. Discussion and conclusion: Thus, obtained results indicate that administration of kaempferol has the potential to restore deranged activity of membrane-bound ATPases in STZ-induced diabetic rats. Further detailed investigation is necessary to discover kaempferol's action mechanism.
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