Document Type : Original Article
Authors
1
a.Biological and Environmental Sciences Dept., Faculty of Home Economics, Al-Azhar University, Egypt
2
cHormones Department, Medical Research Division, and Stem Cell Laboratory, Center of Excellence for Advanced Science, National Research Centre, 12622, Giza, Egypt.
3
c Nutrition and Food ScienceDept., Faculty of Home Economics, Al-Azhar University, Egypt.
Abstract
The majority of the medications used to treat trichinellosis had little bio-availability and a elevated resistance level. This work compared the usage of Curcuma longa extract, pomelo peels extract, and their chitosan (CS) nanoparticles (NPs) versus the existing albenazole treatment for experimental trichinellosis. A total of 49 male albino mice were used in this study. Healthy controls (GI), infected untreated controls (GII), Albendazole-treated infected group (GIII), infected group receiving pomelo peels extract (IV), infected group receiving pomelo peels extract-loaded CS NPs (GV), infected group receiving Curcuma longa extract (GVI), infected group receiving Curcuma longa extract-loaded CS NPs (GV), infected group receiving Curcuma longa extract loaded CS (G VII).They were divided into seven experimental groups: healthy control (GI), infected untreated control (GII), Albendazole administered infected group (GIII), infected group receiving pomelo peels extract (IV), infected group receiving pomelo peels extract-loaded CS NPs (GV), infected group receiving Curcuma longa extract (GVI), and infected group receiving Curcuma longa extract-loaded CS NPs (GVII). The extracts were given orally to experimentally infected mice at a rate of 100 mg/kg/day commencing 24 hours after infection and continuing for 14 days on parasite burden, histological alterations in the gut, skeletal muscle, and oxidative stress. Except for the healthy control group, all groups were infected orally with T. spiralis larvae at a dose of 200 larvae per mouse. On the 35th day following infection, all groups were sacrificed. The results demonstrated a significant reduction in adult worm count during the intestinal phase in all treated groups. The group treated with pomelo NPs had the highest reduction rate of adult worms, at 94.13 %. For the group treated by pomelo NPs, it showed better rank compared to non-infected group and albendazole administered infected group, as well as reduced larval count during muscle phase, the highest reduction rate of larvae was 80.2% for the group treated by Curcuma NPs. The same concept has been counted for the encysted phase. This was reflected further by improved parasite burden, histopathological alterations, cytokines and oxidative stress compared to control group and Albendazole administered infected group. TNF-α, IL-6, NOS2, SOD3, α-GST concentrations have been investigated in sera and showed that TNF-α, IL-6, and NOS2 levels have been elevated significantly (P >0.01) in infected group (GII), while SOD3 and α-GST levels have been significantly decreased compared to negative control (GI) (P>0.01). Treatment of infected mice with Curcuma and pomelo NPs have been significantly improved (P>0.05) all parameters levels in sera and back them close to the original levels of negative control. Finally, we can conclude that introduction of Curcuma and pomelo NPs could be of therapeutic potential use against trichinellosis.
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