Abstract
Background and AimPollution and lifestyle changes expose mankind to a number of toxicants such as polycyclic aromatic hydrocarbons that may cause life-threatening diseases. The present study was undertaken to explicate the protective role of Acetyl-11-Keto-Beta Boswellic Acid (AKBA), if any, in containing benzo(a)pyrene (BaP) induced alterations on hepatic membrane dynamics and lipidiome in female rats. Experimental procedureThe animals were divided into five groups viz. Normal control, Vehicle treated, BaP treated, AKBA treated and BaP + AKBA treated. To induce hepatotoxicity, BaP was administered orally at a dose level of 50 mg/kg b.wt. dissolved in olive oil twice a week for 4 weeks. AKBA was supplemented to animals four weeks prior to BaP treatment and continued for 8 weeks at a dose level of 50 mg/kg b.wt. thrice a week. Certain key indices that included oxidative stress biomarkers, lipid profile of membranes, membrane fluidity parameters and activities of ATPases were studied. Results and ConclusionThe results showed that benzo(a)pyrene treatment resulted in a significant increase in the levels of lipid peroxidation (LPO) and ROS but caused a significant decrease in the levels of total lipids, phospholipids, cholesterol, glycolipids and activities of ATPases. Hepatic membrane fluidity as assessed by 1,6-Diphenyl-1,3,5-hexatriene (DPH) and Pyrene fluorescence probes was significantly increased in rats intoxicated with BaP. Interestingly, AKBA supplementation to BaP treated rats appreciably contained altered membrane dynamics and lipidiome as well as modulated hepatotoxicity by skirmishing activities of oxidative stress markers and also improved hepatic histoarchitecture. Our study thus concludes that AKBA can be used as a prophylactic intervention in providing protection to hepatocytes as it maintains membrane integrity in conditions of BaP induced toxicity.
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