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      M-RNA Gene Expression of INF-Γ and IL-10 during Intestinal Phase of Trichinella spiralis after Myrrh and Albendazole Treatment

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          Abstract

          Background:

          The protective response developed against Trichinella spiralis infection provokes immune and inflammatory responses mediated by cytokines released from T helper cells. We aimed to evaluate the effect of albendazole or myrrh on the expression of IFN-γ and IL-10 in BALB/c mice infected with T. spiralis.

          Methods:

          This study was done at the Animal House of Faculty of Medicine, Assiut University (Assiut, Egypt) from April to December 2015. Mice were infected with 300 T. spiralis larvae and treated with albendazole (50 mg/kg per day) or myrrh (500 mg/kg per day) for 3 consecutive days post-infection (pi). The expression of INF-γ and IL-10 was detected in the intestinal tissue by reverse transcription (RT) PCR.

          Results:

          The expression of IFN-γ in mice treated with albendazole and myrrh was detected on days 3 and 15 pi respectively. In the control group, it was found on days 5, 10, 15 and 20 pi with the highest expression on day 15 pi. The expression of IL-10 was detected on days 3, 20 pi in the albendazole and myrrh treated groups, respectively. In the control group, IL-10 expression appeared on days 5 and day 20 pi.

          Conclusion:

          The target of albendazole and myrrh on the profile of IFN-γ and IL-10 on these cytokines were encouraging to reinforce their therapeutic use against trichinellosis.

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          Most cited references32

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          Traditional use and safety of herbal medicines

          In the European Union, traditional herbal medicines that are regarded as "acceptably safe, albeit not having a recognized level of efficacy" fit into a special category of drugs ("traditional herbal medicine products") for which requirements of non-clinical and clinical studies are less rigorous. A regulation proposal published by the Brazilian National Health Surveillance (Anvisa) defines a similar drug category ("traditional phytotherapeutic products") for registration purposes. Regarding herbal medicines, both agencies seem to be lenient regarding proof of efficacy, and consider long-standing folk use as evidence of safety and a waiver of a thorough toxicological evaluation. Nonetheless, several herbal products and constituents with a long history of folk usage are suspected carcinogenic and/or hepatotoxic. Herbal products have also been shown to inhibit and/or induce drug-metabolizing enzymes. Since herbal medicines are often used in conjunction with conventional drugs, kinetic and clinical interactions are a cause for concern. A demonstration of the safety of herbal medicines for registration purposes should include at least in vitroand in vivogenotoxicity assays, long-term rodent carcinogenicity tests (for drugs intended to be continuously used for > 3 months or intermittently for > 6 months), reproductive and developmental toxicity studies (for drugs used by women of childbearing age), and investigation of the effects on drug-metabolizing enzymes.
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            Local anaesthetic, antibacterial and antifungal properties of sesquiterpenes from myrrh.

            We extracted, purified and characterized 8 sesquiterpene fractions from Commyphora molmol. In particular, we focused our attention on a mixture of furanodiene-6-one and methoxyfuranoguaia-9-ene-8-one, which showed antibacterial and antifungal activity against standard pathogenic strains of Escherichia coli, Staphylococcus aureus, Pseudomonas aeruginosa and Candida albicans, with minimum inhibitory concentrations ranging from 0.18 to 2.8 micrograms/ml. These compounds also had local anaesthetic activity, blocking the inward sodium current of excitable mammalian membranes.
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              Excretory/Secretory Products from Trichinella spiralis Adult Worms Ameliorate DSS-Induced Colitis in Mice

              Background Many evidences show the inverse correlation between helminth infection and allergic or autoimmune diseases. Identification and characterization of the active helminth-derived products responsible for the beneficial effects on allergic or inflammatory diseases will provide another feasible approach to treat these diseases. Methods and Findings Colitis was induced in C57BL/6 mice by giving 3% DSS orally for 7 days. During this period, the mice were treated daily with the excretory/secretory products from T. spiralis adult worms (AES) intraperitoneally. The severity of colitis was monitored by measuring body weight, stool consistency or bleeding, colon length and inflammation. To determine the T. spiralis AES product-induced immunological response, Th1, Th2, Th17 and regulatory cytokine profiles were measured in lymphocytes isolated from colon, mesenteric lymph nodes (MLN), and the spleen of treated mice. The CD4+ CD25+ FOXP3+ regulatory T cells (Tregs) were also measured in the spleens and MLN of treated mice. Mice treated with AES significantly ameliorated the severity of the DSS-induced colitis indicated by the reduced disease manifestations, improved macroscopic and microscopic inflammation correlated with the up-regulation of Treg response (increased regulatory cytokines IL-10, TGF-beta and regulatory T cells) and down-regulation of pro-inflammatory cytokines (IFN-gamma, IL-6 and IL-17) in the spleens, MLN and colon of treated mice. Conclusions Our results provide direct evidences that T. spiralis AES have a therapeutic potential for alleviating inflammatory colitis in mice. This effect is possibly mediated by the immunomodulation of regulatory T cells to produce regulatory and anti-inflammatory cytokines and inhibit pro-inflammatory cytokines.
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                Author and article information

                Journal
                Iran J Parasitol
                Iran J Parasitol
                IJPA
                IJPA
                Iranian Journal of Parasitology
                Tehran University of Medical Sciences
                1735-7020
                2008-238X
                Apr-Jun 2017
                : 12
                : 2
                : 188-195
                Affiliations
                [1. ] Dept. of Parasitology, Faculty of Medicine, Assiut University, Assiut, Egypt
                [2. ] Dept. of Pharmacognosy, Faculty of Pharmacy, Assiut University, Assiut, Egypt
                Author notes
                [* ] Correspondence Email: abeerwnss@ 123456gmail.com
                Article
                ijpa-12-188
                5527028
                62fe0a85-a894-411c-9cc3-f63578cefbde
                Copyright© Iranian Society of Parasitology & Tehran University of Medical Sciences

                This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

                History
                : 20 July 2016
                : 11 December 2016
                Categories
                Original Article

                Parasitology
                trichinella spiralis,albendazole,myrrh,ifn-γ,il-10
                Parasitology
                trichinella spiralis, albendazole, myrrh, ifn-γ, il-10

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