6 documents found, page 1 of 1
A computational approach using bioinformatics to screening drug targets for Lei...
Leite, João Paulo Viana; Chávez-Fumagalli, Miguel Angel; Schneider, Mônica Santos; Lage, Daniela Pagliara; Tavares, Grasiele de Sousa VieiraThe development of new therapeutic strategies to treat patients for leishmaniasis has become a priority. The antileishmanial activity of the strychnobiflavone flavonoid was recently demonstrated against Leishmania amazonensis and Leishmania infantum amastigotes and promastigotes. The biological effect of this molecule was identified due to its capacity to interfere in the parasite mitochondrial membrane; howeve...
In vivo antileishmanial efficacy of a naphthoquinone derivate incorporated into...
Mendonça, Débora Vasconcelos Costa; Tavares, Grasiele de Sousa Vieira; Lage, Daniela Pagliara; Soyer, Tauane Gonçalves; Carvalho, Lívia MendesNew therapeutic strategies against leishmaniasis are desirable, since the treatment against disease presents problems, such as the toxicity, high cost and/or parasite resistance. As consequence, new antileishmanial compounds are necessary to be identified, as presenting high activity against Leishmania parasites, but low toxicity in mammalian hosts. Flau-A is a naphthoquinone derivative recently showed to prese...
Strychnos pseudoquina and its purified compounds present an effective in vitro ...
Lage, Paula Sousa; Andrade, Pedro Henrique Rocha de; Lopes, Amanda de Santana; Fumagalli, Miguel Angel Chávez; Valadares, Diogo GarciaThe development of new and cost-effective alternative therapeutic strategies to treat leishmaniasis has become a high priority. In the present study, the antileishmanial activity of Strychnos pseudoquina St. Hil. was investigated and pure compounds that presented this biological effect were isolated. An ethyl acetate extract was prepared, and it proved to be effective against Leishmania amazonensis. A bioactivi...
Poloxamer 407 (Pluronic® F127)-based polymeric micelles for amphotericin B : in...
Mendonça, Débora Vasconcelos Costa; Lage, Letícia Martins dos Reis; Lage, Daniela Pagliara; Chávez Fumagalli, Miguel Angel; Ludolf, FernandaIn the present study, a Poloxamer 407-based amphotericin B (AmpB)-containing polymeric micelles system (AmpB/M) was employed in the treatment of Leishmania amazonensis-infected BALB/c mice. Initially, the in vitro antileishmanial activity (IC50 value) of AmpB/M and B-AmpB/M (empty micelles) against stationary promastigotes and amastigotes-like forms of the parasites was determined, and results were of 1.83 ± 0....
Sensitive and specific serodiagnosis of Leishmania infantum infection in dogs u...
Chávez Fumagalli, Miguel Angel; Martins, Vívian Tamietti; Testasicca, Miriam Conceição de Souza; Lage, Daniela Pagliara; Costa, Lourena EmanueleIn Brazil, the percentage of infected dogs living in areas where canine visceral leishmaniasis (CVL) is endemic ranges from 10 to 62%; however, the prevalence of infection in dogs is probably higher than figures reported from serological studies. In addition, problems with the occurrence of false-positive or false-negative results in the serodiagnosis of CVL have been reported. The present work analyzed the pot...
Treatment of murine visceral leishmaniasis using an 8-hydroxyquinoline-containi...
Duarte, Mariana Costa; Lage, Letícia Martins dos Reis; Lage, Daniela Pagliara; Martins, Vivian Tamietti; Carvalho, Ana Maria Ravena SeverinoNewtherapeutics are urgently needed to treat visceral leishmaniasis (VL). Due to the fact that drug discovery is a long and expensive process, the development of delivery systems to carry old and toxic drugs could be considered, as well as the evaluation of new molecules that have already shown to present biological activity. In this context, the present study evaluated the in vitro and in vivo antileishmanial ...