Beneficial Effects of Artocarpus Lakoocha Extracts in Rat Models Suffering from Atherosclerosis
Objective: To evaluate the anti-inflammatory effects of A. lakoocha extracts by utilizing the rat models with induced hyperlipidemia.
Methodology: Twenty-four well-fed rats (Wistar breed), were selected for the current study, weighing average 150-250 grams each and divided into three groups; GROUP I served as healthy control group, fed with normal diet composed of carbohydrates, proteins and fats. Group II were hyperlipidemic rats, with atherosclerosis, and considered as disease group. They were fed with high fat diet. Group III rats were fed with extracts of A. lakoocha, extending from day 20 up to day 60 of this experiment.
Results In the disease group, significantly decreased (P < 0.001) expression levels of IL-5 were found in (14.76 ± 2.65) compared with control group (26.54 ± 3.98). IN the group treated with A. lakoocha extracts (22.01 ± 4.53) significantly enhanced (P < 0.01) the expression levels of IL-5 were observed. In addition, plasma IL-6 levels were significantly enhanced (P < 0.05) in the disease group (44.19 ± 10.90) compared with the control group (32.59 ± 4.51). Treatment of rats with A. lakoocha extract (20.22 ± 2.75) caused significant reduction (P < 0.001) in the expression levels of IL-6 as compared with the disease group. Significantly raised (P < 0.01) expression levels of TNF-α within the disease group (31.78 ± 4.71) compared with the control group (23.34 ± 2.25) group. Moreover, A. lakoocha extracts (24.60 ± 4.26) significantly reduced (P < 0.05) the expression of TNF-α levels, compared with the disease group.
Conclusion: Current study demonstrates that A. lakoocha extracts significant protective and anti-inflammatory properties in selected rat models, subsequently leading to atherosclerosis. The present study highlighted the down-regulation of inflammatory cytokines such as IL-6, TNF-α, IL-6 and NF-кB, while simultaneously up-regulating the plasma levels of IL-15, in rat models treated with extracts of A. lakoocha.
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