2022
DOI: 10.1007/s00436-022-07544-1
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Parasitological and immunological evaluation of a quinoline derivative salt incorporated into a polymeric micelle formulation against Leishmania infantum infection

Abstract: Leishmaniasis is a parasitic disease caused by Leishmania protozoa, which presents a large spectrum of clinical manifestations. In the present study, a quinoline derivative salt named N-(2-((7-chloroquinolin-4-yl)amino)ethyl)-N-(prop-2-yn-1-yl)prop-2-yn-1-aminium chloride or QDS3 was in vitro and in vivo tested against L. infantum by means of its incorporation in Poloxamer 407-based polymeric micelles (QDS3/M) … Show more

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Cited by 6 publications
(4 citation statements)
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“…In contrast to IFN-γ, it was seen that animals treated with 8-HQ exhibited a reduction in IL-4 levels compared to the infected control; despite a low concentration of IL-4 in the treatment, it is also important to observe that treatment with 20 mg/kg of 8-HQ increased the IL-4 levels, but even so, this group still produced higher amounts of IFN-γ than IL-4. Previous studies conducted with quinoline derivatives entrapped in micelle systems pointed to a high therapeutic activity associated with the development of a Th-1 immune response [ 47 , 57 ], which clearly potentialized the leishmanicidal activity of the treatment. These data reinforce that 8-HQ as well as other structurally related molecules can be used as an alternative molecule to treat cutaneous leishmaniasis.…”
Section: Discussionmentioning
confidence: 99%
“…In contrast to IFN-γ, it was seen that animals treated with 8-HQ exhibited a reduction in IL-4 levels compared to the infected control; despite a low concentration of IL-4 in the treatment, it is also important to observe that treatment with 20 mg/kg of 8-HQ increased the IL-4 levels, but even so, this group still produced higher amounts of IFN-γ than IL-4. Previous studies conducted with quinoline derivatives entrapped in micelle systems pointed to a high therapeutic activity associated with the development of a Th-1 immune response [ 47 , 57 ], which clearly potentialized the leishmanicidal activity of the treatment. These data reinforce that 8-HQ as well as other structurally related molecules can be used as an alternative molecule to treat cutaneous leishmaniasis.…”
Section: Discussionmentioning
confidence: 99%
“…Em outro estudo, avaliou-se a eficácia in vivo de um sal derivado de qunolina (QDS3) com atividade in vitro promissora para as espécies de L. amazonensis e L. infantum (CALIXTO et al, 2018: RIBEIRO ANTINARELLI et al, 2022. Os resultados in vivo demonstraram que que a formulação do QDS3 em micelas de Poloxâmero P407 foi altamente eficaz no tratamento de camundongos Balb/C infectados com L. infantum, reduzindo expressivamente a carga parasitária no fígado, baço, linfonodos de drenagem (dLN) e medula óssea, 1 e 15 dias após o tratamento, em comparação com o tratamento com a molécula na sua forma livre.…”
Section: Página 166unclassified
“…O conhecimento científico da área da saúde (médica, odontológica e farmacêutica) no campo de nanotecnologia tem avançado rapidamente nos últimos anos, encontrando aplicações em diversas finalidades, tais como: desenvolvimento de dispositivos biomédicos (sistemas de hemodiálise, biossensores, tubos de circulação sanguínea), produtos odontológicos (materiais para implantes e prótese dentária), materiais implantáveis (próteses ortopédicas, fios de sutura, placas, válvulas cardíacas, lentes), dispositivos para liberação controlada de medicamentos e vacinas (na forma de partículas, implantes subdérmicos e filmes), kits de diagnóstico ultra sensíveis e rápidos usando nano sensores, dentre outras. Estima-se que nos próximos anos metade do setor farmacêutico dependerá de nanomateriais para o desenvolvimento de novos produtos farmacêuticos com potencial de movimentar em torno de 1,3 trilhões de dólares do mercado farmacêutico mundial (ROSSI-BERGMANN, 2008;FENTON et al, 2019).…”
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