Trigonella foenum-graceum seed (Fenugreek) hydroalcoholic extract improved the oxidative stress status in a rat model of diabetes-induced memory impairment
-
Solaiman Bafadam
,
Saeed Niazmand
Abstract
Background
The antidiabetic and antioxidant effects of Trigonella foenum-graceum have been suggested. The effects of hydroalcoholic extract of the plant seeds and metformin against the diabetes-induced memory impairment were investigated.
Materials and methods
The rats were treated: (1) control, (2) diabetic (3–6) and diabetic rats treated by 50, 100 and 200 mg/kg of the plant extract or metformin. The rats were diabetic by streptozotocin (STZ, 55 mg/kg). After the passive avoidance test, malondialdehyde (MDA), nitric oxide (NO) metabolites, total thiol (SH), catalase (CAT) and superoxide dismutase (SOD) were determined in the brain.
Results
In the diabetic group, at 3, 24 and 48 h after receiving a shock, the latency to enter the dark room was lower than for the controls (p < 0.001). All doses of the extract and metformin increased the latencies to enter the dark at 3 and 24 h after the shock treatment (p < 0.05–p < 0.001). Additionally, the two higher doses of the extract and metformin increased the latency at 48 h after the shock (p < 0.05–p < 0.001). Diabetes also elevated MDA and NO metabolites, while it reduced thiol, SOD and CAT in the hippocampal and cortical tissues (p < 0.001). Treatment of the diabetic animals by the highest dose of the extract and also metformin reduced the MDA and NO metabolites, while it improved thiols, SOD and CAT (p < 0.01–p < 0.001).
Conclusions
Based on our findings, metformin and the hydro-alcoholic extract from the T. foenum-graceum seed prevented memory deficits resulting from diabetes. Preventing oxidative damage in the brain may at least, in part, be responsible for the positive effects of the extract and metformin.
Acknowledgments
The authors would like to thank the Vice Presidency of Research, Mashhad University of Medical Sciences, for the financial support.
Author Statement
Research funding: Mashhad University of Medical Sciences.
Conflict of interest: We declare that we have no conflict of interest.
Informed consent: Not applicable.
Ethical approval: Animal procedures were carried out considering the Guide for the Care and Use of Laboratory Animals and were approved by the Committee on Animal Research of Mashhad University of Medical Sciences. The document number was IR.MUMS.REC.1396.120.
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Artikel in diesem Heft
- Original Articles
- Trigonella foenum-graceum seed (Fenugreek) hydroalcoholic extract improved the oxidative stress status in a rat model of diabetes-induced memory impairment
- Obesity-induced immune dysfunction and immunosuppression: TEM observation of visceral and subcutaneous lymph node microarchitecture and immune cell interactions
- Case Reports
- A case of post-splenectomy transfusion-dependent homozygous beta-thalassemia major complicated with myocardial siderosis and osteoporosis and usage of iron-chelating therapy with deferiprone in pregnancy
- Cryptozoospermia after treatment with clomiphene citrate following long-term use of intramuscular testosterone undecanoate depot injection (Nebido®)
Artikel in diesem Heft
- Original Articles
- Trigonella foenum-graceum seed (Fenugreek) hydroalcoholic extract improved the oxidative stress status in a rat model of diabetes-induced memory impairment
- Obesity-induced immune dysfunction and immunosuppression: TEM observation of visceral and subcutaneous lymph node microarchitecture and immune cell interactions
- Case Reports
- A case of post-splenectomy transfusion-dependent homozygous beta-thalassemia major complicated with myocardial siderosis and osteoporosis and usage of iron-chelating therapy with deferiprone in pregnancy
- Cryptozoospermia after treatment with clomiphene citrate following long-term use of intramuscular testosterone undecanoate depot injection (Nebido®)
