Protective effect of Toxocara vitulorum extract against alpha-naphthylisothiocyanate-induced cholangitis in rat
2020
Abeer Mahmoud Badr | Mohamed Farid | Ahmed Abdel Aziz Biomy | Ayman Saber Mohamed | Noha Ahmed Mahana | Sohair Ramadan Fahmy
Abstract Background Cholestasis is the major cause of bile acid accumulation leading to liver damage. Chronic infection of worms can modulate the immune response towards T helper (Th)2-related cytokines. The present study aims to evaluate the protective impact of an ascarid nematode Toxocara vitulorum extract (TvE) against alpha-naphthylisothiocyanate (ANIT)-induced cholangitis male wistar rat model compared to ursodeoxycholic acid (UDCA) as a standard drug. Results Pretreatment with TvE and/or UDCA induced a marked reduction in the levels of liver function tests and malondialdehyde, while antioxidant markers were increased compared to cholestatic rats. Pretreatment with either TvE or combination before cholangitis induction attenuated the predominant Th1-related cytokines (IFN-γ and TNF-α) to Th2 (IL-13 and IL-10). TvE administration promoted higher expression levels of Bcl-2 protein and lower levels of caspase-3 compared to cholestatic rats. Conclusions Treatment with TvE has improved the liver functions and elevated the levels of oxidative stress markers. The upregulation of Th2-related cytokines and suppression of apoptosis through caspase-3 might be considered as a potential mechanism of TvE. Thereby, this natural extract revealed an opportunity for use in treatment of cholangitis disease.
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