ArticleAdvances in experimental medicine and biology2021
Investigation of the Effects of Difluorinated Curcumin on Glycemic Indices in Streptozotocin-Induced Diabetic Rats.
Article in Advances in experimental medicine and biology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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3 citing papers in PubMed, 5 citations in OpenAlex.
- Chitosan-based hydrogels loaded with repaglinide and difluorinated curcumin: impact on structural integrity, drug release, and antibacterial activity.Naunyn-Schmiedeberg's archives of pharmacology · 2026Article
- Effect of Curcumin on Attenuation of Liver Cirrhosis via Genes/Proteins and Pathways: A System Pharmacology Study.Nutrients · 2022Article
- Therapeutic Role of Curcumin in Diabetes: An Analysis Based on Bioinformatic Findings.Nutrients · 2022Article
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8 authors at 2 institutions in 4 countries.
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No grant is acknowledged in the PubMed record.
Abstract
backgroundCurcumin is an antioxidant agent that improves glycemia in animal models of diabetes. Clinically curcumin use is limited due to poor solubility, weak absorption, and low bioavailability; therefore, this study to investigate the effects of curcumin's analog, difluorinated curcumin (CDF), on fasting blood glucose (FBG), oral glucose tolerance test (OGTT), and insulin tolerance test (ITT), in streptozotocin (STZ)-induced diabetic rats was undertaken.
methodsSTZ-induced diabetes rats were randomly assigned to six groups (7 rats per group). They were treated daily by oral gavage with curcumin (200 and 100 mg/kg/day), CDF (200 and 100 mg/kg/day), and metformin (200 mg/kg/day) as a positive control group, for 4 weeks. Two diabetic control (DC) and normal control (NC) groups (non-diabetic rats) received normal saline and citrate buffer, respectively. FBG was measured at the beginning and end of the treatment (Day 0 and week 4) and OGTT and ITT were performed to determine glucose tolerance and insulin sensitivity.
resultsCur100, CDF 100, and CDF200 significantly decreased FBG levels after 4 weeks oral administration by -34% (-150 mg/dL ± 70, p = 0.02), -36% (123 mg/dL ±67, p < 0.04), and - 40% (-189 mg/dL ± 91, p = 0.03), respectively. Glucose sensitivity by OGTT showed a significant improvement in glucose tolerance ability in all treated groups compared with DC group. ITT demonstrated that insulin response improved significantly in Cur100 and CDF 200 groups.
conclusionOverall, CDF improved glucose tolerance and insulin sensitivity, while reducing FBG compared to curcumin, suggesting that curcumin analogs may have therapeutic utility in diabetes.
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