The effect of Callina papaya (Carica papaya L. var. Callina) leaves extract on histopathology of kidney and liver in cigarette smoke-exposed rats (Rattus norvegicus Berkenhout, 1769)
Cigarette smoke is a source of free radicals that can cause oxidative stress that damages organ systems in the body. The study aimed to determine the protective effect of Callina papaya leaves ethanol extract on the histopathology of the kidneys and liver in cigarette smoke exposed rats. The study used 25 male rats divided into five groups, consisting of control (distilled water), negative control (exposed to cigarette smoke/ECS), P1 (ECS and given 100 mg/kg body weight (BW) extract), P2 (ECS and given 200 mg/Kg BW extract), and P3 (ECS and given 300 mg/kg BW extract) for 21 days. On the 22nd day, rats were sacrificed to take kidneys and liver for histopathological preparation. Observation parameters consists of organ index, and histopathology structure. All data were then analyzed using one-way ANOVA with Duncan's pos hoc test (P<0.05). The results showed no significant differences in organ index, glomerular number, and liver central vein area (P>0.05). Inflammation area, necrosis cells number, diameter, and area of glomerulus in kidney at doses of 200 mg/Kg BW and 300 mg/Kg BW showed improvement compared to other treatments (P>0.05). Hepatocyte area, sinusoid diameter, inflammatory area, number of hydropic degeneration cells, and number of necrosis cells in the liver also showed improvement at doses of 200 mg/kg BW and 300 mg/kg BW compared to other treatments (P>0.05). The conclusion shows that the Callina papaya leaves ethanol extract can protect against kidney and liver damage in rats exposed to cigarette smoke.
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