Antidiabetic and antihypertensive effect of Virgin Argan Oil in model of neonatal streptozotocin-induced diabetic and l-nitroarginine methylester (l-NAME) hypertensive rats
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Said Bellahcen
Abstract
Background: The goal of this study was to examine the effect of Virgin Argan Oil (VAO) obtained from the fruit of Argania spinosa in a model of type 2 diabetes and hypertensive rats. Neonatal diabetes was induced by a single i.p. injection of streptozotocin (90 mg/kg) 2 days after birth. To induce NO-deficient hypertension, the adult diabetic animals were treated with l-nitroarginine methylester (l-NAME) (30 mg/kg/day) given orally for 21 days.
Methods: Following treatment with VAO (21 days), the hyperglycemia decreased to 1.3 ± 0.07 g/l compared with 1.92 ± 0.09 g/l (p < 0.01) in the untreated diabetic-hypertensive rats. The simultaneous administration of VAO with l-NAME prevented the increase in blood pressure during the 3 weeks of treatment. Blood pressure remained constant at 131 ± 1 mm Hg after 21 days – vs 157 ± 0.64 mm Hg in untreated animals (p < 0.001).
Results: The treatment with VAO to diabetic-hypertensive rats caused a significant increase of hepatic glycogen levels (13.3 ± 1.8 vs 6.34 ± 0.75 mg/g tissue in untreated diabetic-hypertensive control group; p < 0.01).
Conclusions: In conclusion, the overall findings indicate that VAO possesses antidiabetic and antihypertensive activity in n-stz/l-NAME rats. This effect may be related to its high content of tocopherols, phenolic compounds, and unsaturated fatty acids.
Acknowledgments
The authors are thankful to Badraoui Mustapha and Ramdaoui Karim for technical help and animal breeding. This work was supported by grants from CNRST, Morocco [Project URAC-40] and from Belgium [Program 3, CUD Project].
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Artikel in diesem Heft
- Masthead
- Masthead
- Phytochemistry & Product Quality
- Chemical and pharmacological standardization of Ashwagandhadi lehyam: an ayurvedic formulation
- Phytochemical screening and toxicity studies on the methanol extract of the seeds of moringa oleifera
- First report of fingerprinting dried herbal products using a subtractive diversity array
- Preclinical Studies
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- Hypoglycemic activity of the Anisopus mannii N. E. Br. methanolic leaf extract in normal and alloxan-induced diabetic mice
- Aloe vera gel protects liver from oxidative stress-induced damage in experimental rat model
- Hepatoprotective activity of Calotropis gigantea flowers against carbon-tetrachloride-induced liver damage in mice
- In vivo and in vitro estrogenic activity of extracts from Erythrina poeppigiana (Fabaceae)
- Liposomal-formulated curcumin [Lipocurc™] targeting HDAC (Histone Deacetylase) prevents apoptosis and improves motor deficits in Park 7 (DJ-1)-knockout rat model of Parkinson’s disease: implications for epigenetics-based nanotechnology-driven drug platform
- Antimalarial potential of China 30 and Chelidonium 30 in combination therapy against lethal rodent malaria parasite: Plasmodium berghei
- Structure elucidation and inhibitory effects on human platelet aggregation of chlorogenic acid from Wrightia tinctoria
- Cytotoxic effects of crocin on MOLT-4 human leukemia cells
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