Marina Amaral Alves

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Salicylaldehyde 2-chlorobenzoyl hydrazone (H(2)LASSBio-466), salicylaldehyde 4-chlorobenzoyl hydrazone (H(2)LASSBio-1064) and their complexes [Zn(LASSBio-466)H(2)O](2) (1) and [Zn(HLASSBio-1064)Cl](2) (2) were evaluated in animal models of peripheral and central nociception, and acute inflammation. All studied compounds significantly inhibited acetic(More)
The inherent morbidity and mortality caused by schistosomiasis is a serious public health problem in developing countries. Praziquantel is the only drug in therapeutic use, leading to a permanent risk of parasite resistance. In search for new schistosomicidal drugs, meclonazepam, the 3-methyl-derivative of clonazepam, is still considered an interesting(More)
Searching for new promising metal-based hits against Trypanosoma cruzi and Leishmania parasites, two related oxidovanadium(IV) N-acylhydrazone complexes, [V(IV)O(LASSBio1064-2H)(H2O)], 1, and [V(IV)O(LASSBio1064-2H)(phen)]·(H2O), 2, where LASSBio1064=(E)-N'-(2-hydroxybenzylidene-4-chlorobenzohydrazide and phen = 1,10-phenanthroline, were synthesized and(More)
Different chemotypes are described as anti-inflammatory. Among them the N-acylhydrazones (NAH) are highlighted by their privileged structure nature, being present in several anti-inflammatory drug-candidates. In this paper a series of functionalized 3-aminothiophene-2-acylhydrazone derivatives 5a-i were designed, synthesized and bioassayed. These new(More)
Trypanosomatids are protozoan parasites that cause various diseases in human, such as leishmaniasis, Chagas disease and sleeping sickness. The highly syntenic genomes of the trypanosomatid species lead the assumption that they can encode similar proteins, indicating the possibility to design new antitrypanosomatid drugs with dual trypanosomicidal and(More)
Protein kinases constitute attractive therapeutic targets for development of new prototypes to treat different chronic diseases. Several available drugs, like tinibs, are tyrosine kinase inhibitors; meanwhile, inhibitors of serine/threonine kinases, such as mitogen-activated protein kinase (MAPK), are still trying to overcome some problems in one of the(More)
In this study, a sensitive HPLC-UV assay was developed and validated for the determination of LASSBio-1736 in rat plasma with sodium diclofenac as internal standard (IS). Liquid-liquid extraction using acetonitrile was employed to extract LASSBio-1736 and IS from 100 μL of plasma previously basified with NaOH 0.1 M. Chromatographic separation was carried on(More)
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