Effect of (Scheff.) Boerl Leaf Ethanol Extract on Serum IL-6 and TNF-α Levels in Diabetic Rats
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Background: Hyperglycemia conditions in diabetes mellitus (DM) can turn on pro-inflammatory cytokines like IL-6 and TNF-α. These cytokines play a role in insulin resistance and the development of DM complications. People in Indonesia have used to treat diabetes, but the leaf of this plant has not been studied to see if it can reduce inflammation.
Objective: This study aims to analyze the effect of ethanolic extract of leaves (EEPML) in serum IL-6 and TNF-α levels of diabetic rats.
Methods: This study was an experiment with a post-test-only control group design. Thirty 8-week-old male Wistar rats were used in the study. They were split into six groups: K1 was the normal control group; K2 was the DM control group; K3, K4, and K5 were given EEPML at doses of 125, 250, and 500 mg/KgBW; and K6 was given metformin 45 mg/KgBW orally once a day for 14 days. A high-fat diet and a 30 mg/KgBWi.p injection of streptozotocin were used to make the diabetic rat model. ELISA method for measuring serum IL-6 and TNF-α levels. The Kruskal-Wallis and the Mann-Whitney test were used to examine the differences between the groups.
Results: There were significant differences between treatment groups in the mean levels of serum IL-6 (p=0.017), but there were no significant differences in the mean levels of serum TNF-α (p>0.05).
Conclusion: Administration of leaf ethanol extract 125 mg/KgBW reduced serum IL-6 levels but could not significantly reduce serum TNF-α levels in diabetic rats.