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Arce-Fonseca M, Gutiérrez-Ocejo RA, Rosales-Encina JL, Aranda-Fraustro A, Cabrera-Mata JJ, Rodríguez-Morales O. Nitazoxanide: A Drug Repositioning Compound with Potential Use in Chagas Disease in a Murine Model. Pharmaceuticals (Basel) 2023; 16:826. [PMID: 37375773 DOI: 10.3390/ph16060826] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Revised: 05/30/2023] [Accepted: 05/30/2023] [Indexed: 06/29/2023] Open
Abstract
Chagas disease (ChD), caused by Trypanosoma cruzi, is the most serious parasitosis in the western hemisphere. Benznidazole and nifurtimox, the only two trypanocidal drugs, are expensive, difficult to obtain, and have severe side effects. Nitazoxanide has shown to be effective against protozoa, bacteria, and viruses. This study aimed to evaluate the nitazoxanide efficacy against the Mexican T. cruzi Ninoa strain in mice. Infected animals were orally treated for 30 days with nitazoxanide (100 mg/kg) or benznidazole (10 mg/kg). The clinical, immunological, and histopathological conditions of the mice were evaluated. Nitazoxanide- or benznidazole-treated mice had longer survival and less parasitemia than those without treatment. Antibody production in the nitazoxanide-treated mice was of the IgG1-type and not of the IgG2-type as in the benznidazole-treated mice. Nitazoxanide-treated mice had significantly high IFN-γ levels compared to the other infected groups. Serious histological damage could be prevented with nitazoxanide treatment compared to without treatment. In conclusion, nitazoxanide decreased parasitemia levels, indirectly induced the production of IgG antibodies, and partially prevented histopathological damage; however, it did not show therapeutic superiority compared to benznidazole in any of the evaluated aspects. Therefore, the repositioning of nitazoxanide as an alternative treatment against ChD could be considered, since it did not trigger adverse effects that worsened the pathological condition of the infected mice.
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Affiliation(s)
- Minerva Arce-Fonseca
- Laboratory of Molecular Immunology and Proteomics, Department of Molecular Biology, Instituto Nacional de Cardiología Ignacio Chávez, Juan Badiano No. 1, Col. Sección XVI, Tlalpan, Mexico City 14080, Mexico
| | - Rodolfo Andrés Gutiérrez-Ocejo
- Laboratory of Molecular Immunology and Proteomics, Department of Molecular Biology, Instituto Nacional de Cardiología Ignacio Chávez, Juan Badiano No. 1, Col. Sección XVI, Tlalpan, Mexico City 14080, Mexico
| | - José Luis Rosales-Encina
- Department of Infectomics and Molecular Pathogenesis, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (CINVESTAV-IPN), Av. Insituto Politécnico Nacional, Av. Instituto Politécnico Nacional No. 2508, Col. San Pedro Zacatenco, Gustavo A. Madero, Mexico City 07360, Mexico
| | - Alberto Aranda-Fraustro
- Department of Pathology, Instituto Nacional de Cardiología Ignacio Chávez, Juan Badiano No. 1, Col. Sección XVI, Tlalpan, Mexico City 14080, Mexico
| | - Juan José Cabrera-Mata
- Laboratory of Molecular Immunology and Proteomics, Department of Molecular Biology, Instituto Nacional de Cardiología Ignacio Chávez, Juan Badiano No. 1, Col. Sección XVI, Tlalpan, Mexico City 14080, Mexico
| | - Olivia Rodríguez-Morales
- Laboratory of Molecular Immunology and Proteomics, Department of Molecular Biology, Instituto Nacional de Cardiología Ignacio Chávez, Juan Badiano No. 1, Col. Sección XVI, Tlalpan, Mexico City 14080, Mexico
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Antiprotozoal drug nitazoxanide enhances parasitemia, tissue lesions and mortality caused by Trypanosoma cruzi in murine model. Exp Parasitol 2016; 172:44-50. [PMID: 28011170 DOI: 10.1016/j.exppara.2016.12.013] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2016] [Revised: 12/15/2016] [Accepted: 12/18/2016] [Indexed: 12/12/2022]
Abstract
Chagas' disease is caused by unicellular parasite Trypanosoma cruzi (T. cruzi). It is endemic throughout Latin America, but nowadays has become a global challenge due to tourism and migration. Non-treated infection may result in health-threatening complications and lead to death. Current medications for this infection are nifurtimox (NFT) and benznidazol. Both drugs may cause side effects and are ineffective in the chronic phase. Therefore, new antichagasic compounds are urgently required. Nitazoxanide (NTZ) is a broad spectrum antiparasitic drug, proposed recently as a potential candidate to be added to the list of essential medicines for integrated neglected tropical disease control and elimination. Although the effect of NTZ against T. cruzi epimastigotes in vitro was reported, the corresponding experiments in animal models of T. cruzi infection have never been undertaken. The present work was designed to fill this gap and evaluate the effect of NTZ on experimental murine trypanosomiasis, in comparison with classical antichagasic agent NFT. Highly sensitive to T. cruzi BALB/c mice were infected using Albarrada T. cruzi strain, recently isolated in Mexico. Experimental groups were either left untreated, or otherwise treated with NFT, NTZ (100 and 1000 mg/kg), or with both drugs simultaneously. The severity of the infection was estimated based on criteria such as parasitemia, lesions in target tissues (heart, muscles and lungs) and mortality. Despite the expected protective effect, NTZ drastically aggravates the course of T. cruzi infection. Namely, parasitemia, tissue lesions and mortality caused by T. cruzi infection were significantly higher in NTZ-treated mice groups, even in comparison with untreated infected animals. NTZ by itself no produced mortality o tissue damage, and NFT showed an expected protective effect. Our results indicate that NTZ cannot be considered for Chagas' disease treatment. Moreover, NTZ should be used with caution in patients positive for T. cruzi infection.
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Effects of Ultrasonic Disintegrates from Epimastigote Biomass of Trypanosoma cruzi Albarrada Strain (Mexico) on the Development of L5178Y Solid Malignant Transplanted Tumors in Male BALB/c Mice. Bull Exp Biol Med 2015; 159:482-5. [PMID: 26395624 DOI: 10.1007/s10517-015-2998-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2014] [Indexed: 10/23/2022]
Abstract
We studied in vivo antitumor effect of epimastigote form detritus of Trypanosoma cruzi, Mexican Albarrada strain, on L5178Y malignant tumor in BALB/c mice. The antitumor effect of ultrasonic detritus of the parasite was confirmed by shrinkage of the tumor and changed size of its symplastic necroses.
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