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Dutra da Silva A, Fracasso M, Bottari NB, Gundel S, Ourique AF, Assmann CE, Ferreira DASP, Castro MFV, Reichert KP, de Souza LAF, da Veiga ML, da Rocha MIUM, Monteiro SG, Morsch VM, Chitolina Schetinger MR, da Silva AS. Trypanosoma cruzi: Does the intake of nanoencapsulated benznidazole control acute infections? Exp Parasitol 2023; 249:108520. [PMID: 37001581 DOI: 10.1016/j.exppara.2023.108520] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Revised: 03/10/2023] [Accepted: 03/28/2023] [Indexed: 03/31/2023]
Abstract
Chagas Disease (CD) affects around eight million people worldwide. It is considered a neglected disease that presents few treatment options with efficacy only in the acute phase. Nanoparticles have many positive qualities for treating parasite infections and may be effectively and widely employed in clinical medicine. This research aimed to evaluate the nanoencapsulated benznidazole treatment in animals experimentally infected with Trypanosoma cruzi. To analyze the treatment efficacy, we evaluated survival during thirty days, parasitemia, genotoxicity, and heart and liver histopathology. Thirty-five female Swiss mice were organized into seven groups characterizing a dose curve: A - Negative control (uninfected animals), B - Positive control (infected animals), C - Benznidazole (BNZ) 100 mg/kg (infected animals), D - 5 mg/kg Benznidazole nanocapsules (NBNZ) (infected animals), E - 10 mg/kg Benznidazole nanocapsules (infected animals), F - 15 mg/kg Benznidazole nanocapsules (infected animals), G - 20 mg/kg Benznidazole nanocapsules (infected animals). The animals were infected with the Y strain of T. cruzi intraperitoneally. The treatment was administered for eight days by oral gavage. It was possible to observe that the treatment with the highest NBNZ dose presented efficacy similar to the standard benznidazole drug. The 20 mg/kg NBNZ dose was able to reduce parasitemia, increase survival, and drastically reduce heart and liver tissue damage compared to the 100 mg/kg BNZ dose. Moreover, it showed a lower DNA damage index than the BNZ treatment. In conclusion, the nanoencapsulation of BNZ promotes an improvement in parasite proliferation control with a five times smaller dose relative to the standard dose of free BNZ, thus demonstrating to be a potential innovative therapy for CD.
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Affiliation(s)
- Aniélen Dutra da Silva
- Programa de Pós-Graduação em Bioquímica Toxicológica, Universidade Federal de Santa Maria, Santa Maria, Rio Grande do Sul, Brazil.
| | - Mateus Fracasso
- Programa de Pós-Graduação em Bioquímica Toxicológica, Universidade Federal de Santa Maria, Santa Maria, Rio Grande do Sul, Brazil
| | - Nathieli B Bottari
- Programa de Pós-Graduação em Bioquímica Toxicológica, Universidade Federal de Santa Maria, Santa Maria, Rio Grande do Sul, Brazil
| | - Samanta Gundel
- Ciências das Saúde, Universidade Franciscana, Santa Maria, Rio Grande do Sul, Brazil
| | - Aline F Ourique
- Ciências das Saúde, Universidade Franciscana, Santa Maria, Rio Grande do Sul, Brazil
| | - Charles E Assmann
- Programa de Pós-Graduação em Bioquímica Toxicológica, Universidade Federal de Santa Maria, Santa Maria, Rio Grande do Sul, Brazil
| | - Danielle A S P Ferreira
- Programa de Pós-Graduação em Bioquímica Toxicológica, Universidade Federal de Santa Maria, Santa Maria, Rio Grande do Sul, Brazil
| | - Milagros F V Castro
- Programa de Pós-Graduação em Bioquímica Toxicológica, Universidade Federal de Santa Maria, Santa Maria, Rio Grande do Sul, Brazil
| | - Karine P Reichert
- Programa de Pós-Graduação em Bioquímica Toxicológica, Universidade Federal de Santa Maria, Santa Maria, Rio Grande do Sul, Brazil
| | | | - Marcelo L da Veiga
- Departamento de Morfologia, Universidade Federal de Santa Maria, Santa Maria, Rio Grande do Sul, Brazil
| | - Maria Izabel U M da Rocha
- Departamento de Morfologia, Universidade Federal de Santa Maria, Santa Maria, Rio Grande do Sul, Brazil
| | - Silvia G Monteiro
- Departamento de Microbiologia e Parasitologia, Universidade Federal de Santa Maria, Santa Maria, Rio Grande do Sul, Brazil
| | - Vera M Morsch
- Programa de Pós-Graduação em Bioquímica Toxicológica, Universidade Federal de Santa Maria, Santa Maria, Rio Grande do Sul, Brazil
| | - Maria Rosa Chitolina Schetinger
- Programa de Pós-Graduação em Bioquímica Toxicológica, Universidade Federal de Santa Maria, Santa Maria, Rio Grande do Sul, Brazil
| | - Aleksandro S da Silva
- Programa de Pós-Graduação em Bioquímica Toxicológica, Universidade Federal de Santa Maria, Santa Maria, Rio Grande do Sul, Brazil; Departamento de Zootecnia, Universidade do Estado de Santa Catarina, Chapecó, Santa Catarina, Brazil.
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Reichert KP, Pillat MM, Schetinger MRC, Bottari NB, Palma TV, Assmann CE, Gutierres JM, Ulrich H, Andrade CM, Exley C, Morsch VMM. Aluminum-induced alterations of purinergic signalling in embryonic neural progenitor cells. Chemosphere 2020; 251:126642. [PMID: 32345545 DOI: 10.1016/j.chemosphere.2020.126642] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/18/2019] [Revised: 03/17/2020] [Accepted: 03/27/2020] [Indexed: 06/11/2023]
Abstract
The ubiquitous presence of aluminum in the environment leads to a high likelihood of human exposure. Neurotoxicity of the trivalent cationic form of this metal (Al3+) occurs in the central nervous system via accumulation of Al in cells of neural origin, including neural progenitor cells (NPCs). NPCs play a key role in the development and regeneration of the brain throughout life; therefore, this metal may contribute to neuropathological conditions. Here, we evaluated the effects of different Al3+ concentrations (0-50 μM) on the purinergic system of NPCs isolated from embryonic telencephalons, cultured as neurospheres. Al3+ adhered to the cell surface of neurospheres reducing extracellular ATP release, as well as ATP, ADP, and AMP hydrolysis by NTPDase and 5'-nucleotidase, respectively. In addition, impaired nucleotide release by Al3+ reduced P2Y1 and adenosine A2A receptors expression in differentiated neurospheres. These receptors are crucial for NPC proliferation during brain development and self-repair against external stimuli, such as metal exposure. Thus, Al3+ represents an environmental agent linked to neurodegeneration through alterations in the ATP-signalling pathway, proving to be a potential mechanism associated with NPC proliferation and brain degeneration.
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Affiliation(s)
- Karine P Reichert
- Post-Graduate Program in Biological Sciences: Toxicological Biochemistry, CCNE, Department of Biochemistry and Molecular Biology, Federal University of Santa Maria (UFSM), Santa Maria, RS, Brazil.
| | - Micheli M Pillat
- Department of Microbiology and Parasitology, Health Sciences Center, Federal University of Santa Maria RS, Brazil
| | - Maria Rosa C Schetinger
- Post-Graduate Program in Biological Sciences: Toxicological Biochemistry, CCNE, Department of Biochemistry and Molecular Biology, Federal University of Santa Maria (UFSM), Santa Maria, RS, Brazil
| | - Nathieli B Bottari
- Post-Graduate Program in Biological Sciences: Toxicological Biochemistry, CCNE, Department of Biochemistry and Molecular Biology, Federal University of Santa Maria (UFSM), Santa Maria, RS, Brazil
| | - Tais V Palma
- Post-Graduate Program in Biological Sciences: Toxicological Biochemistry, CCNE, Department of Biochemistry and Molecular Biology, Federal University of Santa Maria (UFSM), Santa Maria, RS, Brazil
| | - Charles E Assmann
- Post-Graduate Program in Biological Sciences: Toxicological Biochemistry, CCNE, Department of Biochemistry and Molecular Biology, Federal University of Santa Maria (UFSM), Santa Maria, RS, Brazil
| | - Jessie M Gutierres
- Laboratory of Research in Pathology, Federal University of Health Sciences of Porto Alegre (UFCSPA), Porto Alegre, RS, Brazil
| | - Henning Ulrich
- Department of Microbiology and Parasitology, Health Sciences Center, Federal University of Santa Maria RS, Brazil
| | - Cinthia M Andrade
- Post-Graduate Program in Biological Sciences: Toxicological Biochemistry, CCNE, Department of Biochemistry and Molecular Biology, Federal University of Santa Maria (UFSM), Santa Maria, RS, Brazil
| | - Christopher Exley
- Birchall Centre, Lennard-Jones Laboratories, Keele University, Staffordshire, ST5 5BG, UK
| | - Vera M M Morsch
- Post-Graduate Program in Biological Sciences: Toxicological Biochemistry, CCNE, Department of Biochemistry and Molecular Biology, Federal University of Santa Maria (UFSM), Santa Maria, RS, Brazil.
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Bottari NB, Pillat MM, Schetinger MRC, Reichert KP, Machado V, Assmann CE, Ulrich H, Dutra A, Morsch VM, Vidal T, Da Cruz IBM, Melazzo C, Da Silva AS. Resveratrol-mediated reversal of changes in purinergic signaling and immune response induced by Toxoplasma gondii infection of neural progenitor cells. Purinergic Signal 2018; 15:77-84. [PMID: 30535987 DOI: 10.1007/s11302-018-9634-3] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2018] [Accepted: 11/07/2018] [Indexed: 02/06/2023] Open
Abstract
The effects of Toxoplasma gondii during embryonic development have not been explored despite the predilection of this parasite for neurons and glial cells. Here, we investigated the activation of the purinergic system and proinflammatory responses during congenital infection by T. gondii. Moreover, neuroprotective and neuromodulatory properties of resveratrol (RSV), a polyphenolic natural compound, were studied in infected neuronal progenitor cells (NPCs). For this study, NPCs were isolated from the telencephalon of infected mouse embryos and subjected to neurosphere culture in the presence of EGF and FGF2. ATP hydrolysis and adenosine deamination by adenosine deaminase activity were altered in conditions of T. gondii infection. P2X7 and adenosine A2A receptor expression rates were augmented in infected NPCs together with an increase of proinflammatory (INF-γ and TNF-α) and anti-inflammatory (IL-10) cytokine gene expression. Our results confirm that RSV counteracted T. gondii-promoted effects on enzymes hydrolyzing extracellular nucleotides and nucleosides and also upregulated P2X7 and A2A receptor expression and activity, modulating INF-γ, TNF-α, and IL-10 cytokine production, which plays an integral role in the immune response against T. gondii.
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Affiliation(s)
- Nathieli B Bottari
- Graduate Program in Toxicological Biochemical and Department of Biochemistry and Molecular Biology, Universidade Federal de Santa Maria (UFSM), Santa Maria, RS, Brazil. .,Department of Animal Science, University of Santa Catarina State, 680 D, Rua Beloni Trombeta Zanin, Chapecó, SC, 89815-630, Brazil.
| | - Micheli M Pillat
- Department of Biochemistry, Institute of Chemistry, Universidade de São Paulo (USP), São Paulo, SP, Brazil.
| | - Maria R C Schetinger
- Graduate Program in Toxicological Biochemical and Department of Biochemistry and Molecular Biology, Universidade Federal de Santa Maria (UFSM), Santa Maria, RS, Brazil
| | - Karine P Reichert
- Graduate Program in Toxicological Biochemical and Department of Biochemistry and Molecular Biology, Universidade Federal de Santa Maria (UFSM), Santa Maria, RS, Brazil
| | - Vanessa Machado
- Graduate Program in Toxicological Biochemical and Department of Biochemistry and Molecular Biology, Universidade Federal de Santa Maria (UFSM), Santa Maria, RS, Brazil
| | - Charles E Assmann
- Graduate Program in Toxicological Biochemical and Department of Biochemistry and Molecular Biology, Universidade Federal de Santa Maria (UFSM), Santa Maria, RS, Brazil
| | - Henning Ulrich
- Department of Biochemistry, Institute of Chemistry, Universidade de São Paulo (USP), São Paulo, SP, Brazil
| | - Anielen Dutra
- Graduate Program in Toxicological Biochemical and Department of Biochemistry and Molecular Biology, Universidade Federal de Santa Maria (UFSM), Santa Maria, RS, Brazil
| | - Vera M Morsch
- Graduate Program in Toxicological Biochemical and Department of Biochemistry and Molecular Biology, Universidade Federal de Santa Maria (UFSM), Santa Maria, RS, Brazil
| | - Taís Vidal
- Graduate Program in Toxicological Biochemical and Department of Biochemistry and Molecular Biology, Universidade Federal de Santa Maria (UFSM), Santa Maria, RS, Brazil
| | - Ivana B M Da Cruz
- Graduate Program in Pharmacology, Universidade Federal de Santa Maria (UFSM), Santa Maria, RS, Brazil
| | - Cinthia Melazzo
- Graduate Program in Toxicological Biochemical and Department of Biochemistry and Molecular Biology, Universidade Federal de Santa Maria (UFSM), Santa Maria, RS, Brazil
| | - Aleksandro Schafer Da Silva
- Graduate Program in Toxicological Biochemical and Department of Biochemistry and Molecular Biology, Universidade Federal de Santa Maria (UFSM), Santa Maria, RS, Brazil. .,Department of Animal Science, University of Santa Catarina State, 680 D, Rua Beloni Trombeta Zanin, Chapecó, SC, 89815-630, Brazil. .,Graduate Program in Animal Science, Universidade do Estado de Santa Catarina (UDESC), Chapecó, SC, Brazil.
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Baldissarelli J, Santi A, Schmatz R, Martins CC, Zanini D, Reichert KP, Thomé GR, Palma TV, da Costa P, Morsch VM, Schetinger MRC. Hypothyroidism and hyperthyroidism change ectoenzyme activity in rat platelets. J Cell Biochem 2018; 119:6249-6257. [PMID: 29663535 DOI: 10.1002/jcb.26856] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2017] [Accepted: 03/09/2018] [Indexed: 12/19/2022]
Abstract
The purinergic system has an important role in the regulation of vascular functions. The interference of thyroid hormones in this system and in cardiovascular events has been studied in recent years. However, the mechanisms involved in vascular, purinergic, and oxidative changes in thyroid disorders are not completely understood. Therefore, the present study aimed to assess purinergic enzyme activity in platelets from rats with hypothyroidism and hyperthyroidism induced, respectively, by continuous exposure to methimazole (MMI) at 20 mg/100 mL or L-thyroxine at 1.2 mg/100 mL in drinking water for 1 month. Results showed that rats exposed to L-thyroxine had a significant decrease in NTPDase activity, wherein ATP hydrolysis was 53% lower and ADP hydrolysis was 40% lower. Moreover, ecto-5'-nucleotidase activity was decreased in both groups, by 39% in the hypothyroidism group and by 52% in the hyperthyroidism group. On the other hand, adenosine deaminase (ADA) activity was increased in hyperthyroidism (75%), and nucleotide pyrophosphatase/phosphodiesterase (NPP) activity was increased in animals with hypothyroidism (127%) and those with hyperthyroidism (128%). Our findings suggest that changes in purinergic enzyme and purine levels could contribute to the undesirable effects of thyroid disturbances. Moreover, oxidative stress and, in particular, a high level of ROS production, showed a causal relation with changes in ectonucleotidase activity and nucleotide and nucleoside levels.
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Affiliation(s)
- Jucimara Baldissarelli
- Programade Pós-Graduação em Ciências Biológicas Bioquímica, Centro de Ciências Naturais e Exatas, Universidade Federal de Santa Maria, Campus Universitário, Camobi, Rio Grande do Sul, Brasil.,Universidade Federal de Pelotas, Centro de Ciências Químicas, Farmacêuticas e de Alimentos, Curso de Farmácia, Pelotas, Rio Grande do Sul, Brasil
| | - Adriana Santi
- Universidade Federal de Mato Grosso, Conselho de Ensino e Pesquisa, Curso de Medicina, Parque Sagrada Família, Rondonópolis, Mato Grosso, Brasil
| | - Roberta Schmatz
- Instituto Federal de Educação, Ciência e Tecnologia do Rio Grande do Sul, Campus Bento Gonçalves, Rio Grande do Sul, Brasil
| | - Caroline C Martins
- Programade Pós-Graduação em Ciências Biológicas Bioquímica, Centro de Ciências Naturais e Exatas, Universidade Federal de Santa Maria, Campus Universitário, Camobi, Rio Grande do Sul, Brasil
| | - Daniela Zanini
- Universidade Federal da Fronteira Sul, Campus Chapecó, Santa Catarina, Brasil
| | - Karine P Reichert
- Programade Pós-Graduação em Ciências Biológicas Bioquímica, Centro de Ciências Naturais e Exatas, Universidade Federal de Santa Maria, Campus Universitário, Camobi, Rio Grande do Sul, Brasil
| | - Gustavo R Thomé
- Universidade Tecnológica Federal do Paraná, Departamento de Química, Campus Pato Branco, Paraná, Brasil
| | - Taís V Palma
- Programade Pós-Graduação em Ciências Biológicas Bioquímica, Centro de Ciências Naturais e Exatas, Universidade Federal de Santa Maria, Campus Universitário, Camobi, Rio Grande do Sul, Brasil
| | - Pauline da Costa
- Programade Pós-Graduação em Ciências Biológicas Bioquímica, Centro de Ciências Naturais e Exatas, Universidade Federal de Santa Maria, Campus Universitário, Camobi, Rio Grande do Sul, Brasil
| | - Vera M Morsch
- Programade Pós-Graduação em Ciências Biológicas Bioquímica, Centro de Ciências Naturais e Exatas, Universidade Federal de Santa Maria, Campus Universitário, Camobi, Rio Grande do Sul, Brasil
| | - Maria R C Schetinger
- Programade Pós-Graduação em Ciências Biológicas Bioquímica, Centro de Ciências Naturais e Exatas, Universidade Federal de Santa Maria, Campus Universitário, Camobi, Rio Grande do Sul, Brasil
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