ArticleNaunyn-Schmiedeberg's archives of pharmacology2024
Role of curcumin on beta-amyloid protein, tau protein, and biochemical and oxidative changes in streptozotocin-induced diabetic rats.
Article in Naunyn-Schmiedeberg's archives of pharmacology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Effects of Psyllium Husk on Metabolic Regulators, Insulin Resistance, and SIRT6 in Liver and Muscle of Type 2 Diabetic Rats.Veterinary medicine and science · 2026Article
- Probiotics and Curcumin Did Not Alter Low-Dose Streptozotocin-Induced Hyperglycemia and Oxidative Stress in a Rat Model.Food science & nutrition · 2026Article
- Challenges and Opportunities of Drug Delivery for Treatment of Alzheimer's Disease.AAPS PharmSciTech · 2026Review
- Cannabidiol prevents cognitive and social deficits in a male rat model of Alzheimer's disease through CB1 activation and inflammation modulation.Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology · 2025Article
- Oxymatrine impedes Alzheimer's progression via the attenuation of hypercholesterolemia and fibrosis.Metabolic brain disease · 2025Article
- Traditional Chinese Medicine Natural Products Targeting Shared Mechanisms of T2DM and AD: Potential Therapeutic Insights.Drug design, development and therapy · 2025Review
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2 authors.
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Abstract
Diabetes is one of the most common endocrine metabolic diseases and is associated with the accumulation of beta-amyloid plaques in the brain. Amyloid beta (Aβ) and abnormal tau proteins are effective in the development of Alzheimer's disease. The aim of this study is to investigate the therapeutic and protective effects of curcumin on beta-amyloid (Aβ) accumulation and tau protein expression levels, as well as biochemical and oxidative changes in streptozotocin-induced diabetes in rats. The study comprised five groups, each consisting of eight rats: control, diabetic, curcumin, curcumin during diabetic induction, and curcumin post-diabetic induction. Groups 2 and 4 were administered a single dose of 45 mg/kg streptozotocin on day 1, while group 5 received it on day 28. Curcumin was orally administered via gavage at a dose of 100 mg/kg/day for 35 days to the third, fourth, and fifth groups. At the end of the trial (day 35), blood sugar levels and insulin resistance were similar between the control and curcumin-treated groups but significantly higher in the diabetic groups (P < 0.05). The protective effect of curcumin is tested during induction and active diabetes. The results indicated that diabetic rats displayed increased levels of Aβ, tau protein, and total oxidant capacity (TOS) compared to the curcumin-treated groups. Additionally, the total antioxidant capacity (TAS) levels were lower in the diabetic rats (P < 0.05). Aβ protein levels are lower in both the serum and brain of rats with active diabetes and treated with curcumin compared to control rats (P > 0.05). In addition, serum TAS levels were higher in rats treated with curcumin following the induction of diabetes than pre-induction of diabetes (P > 0.05). The TOS levels in the serum were higher in the rats treated with curcumin during active diabetes compared to the rats treated prior to the induction of diabetes (P < 0.05). However, no significant difference was observed in the brain. The above results show that curcumin has an effect on reducing oxidative stress caused by diabetes and increasing antioxidant activity.
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