Search Results - "JOSE ROMANHA, Alvaro"
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1
Infectivity of seropositive dogs, showing different clinical forms of leishmaniasis, to Lutzomyia longipalpis phlebotomine sand flies
Published in Veterinary parasitology (20-06-2007)“…Visceral leishmaniasis (VL) is a growing zoonosis with an increasing number of new cases and a rapid geographical spreading of the disease. In the present…”
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2
In vitro and in vivo experimental models for drug screening and development for Chagas disease
Published in Memórias do Instituto Oswaldo Cruz (01-03-2010)“…Chagas disease, a neglected illness, affects nearly 12-14 million people in endemic areas of Latin America. Although the occurrence of acute cases sharply has…”
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3
Arylimidamide DB766, a Potential Chemotherapeutic Candidate for Chagas' Disease Treatment
Published in Antimicrobial Agents and Chemotherapy (01-07-2010)“…Classifications Services AAC Citing Articles Google Scholar PubMed Related Content Social Bookmarking CiteULike Delicious Digg Facebook Google+ Mendeley Reddit…”
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4
Drug transporter and oxidative stress gene expression in human macrophages infected with benznidazole-sensitive and naturally benznidazole-resistant Trypanosoma cruzi parasites treated with benznidazole
Published in Parasites & vectors (24-05-2019)“…Chagas disease is a potentially life-threatening disease caused by the protozoan parasite Trypanosoma cruzi. Current therapeutic management is limited to…”
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5
Transsulfuration is an active pathway for cysteine biosynthesis in Trypanosoma rangeli
Published in Parasites & vectors (24-04-2014)“…BACKGROUND: Cysteine, a sulfur-containing amino acid, plays an important role in a variety of cellular functions such as protein biosynthesis, methylation, and…”
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Overexpression of eukaryotic initiation factor 5A (eIF5A) affects susceptibility to benznidazole in Trypanosoma cruzi populations
Published in Memórias do Instituto Oswaldo Cruz (26-07-2018)“…Eukaryotic initiation factor 5A (eIF5A) is a conserved protein with an essential role in translation elongation. Using one and two-dimensional western…”
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7
Bioactive endophytic fungi isolated from Caesalpinia echinata Lam. (Brazilwood) and identification of beauvericin as a trypanocidal metabolite from Fusarium sp
Published in Memórias do Instituto Oswaldo Cruz (01-02-2015)“…Aiming to identify new sources of bioactive secondary metabolites, we isolated 82 endophytic fungi from stems and barks of the native Brazilian tree…”
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8
Synthesis of Xylitan Derivatives and Preliminary Evaluation of in Vitro Trypanocidal Activity
Published in Molecules (Basel, Switzerland) (10-10-2016)“…A series of novel xylitan derivatives derived from xylitol were synthesized using operationally simple procedures. A xylitan acetonide was the key intermediate…”
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9
The in vitro leishmanicidal activity of hexadecylphosphocholine (miltefosine) against four medically relevant Leishmania species of Brazil
Published in Memórias do Instituto Oswaldo Cruz (01-06-2011)“…The in vitro leishmanicidal activity of miltefosine® (Zentaris GmbH) was assessed against four medically relevant Leishmania species of Brazil: Leishmania…”
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10
In vitro activity of 1,3-bisaryloxypropanamines against Trypanosoma cruzi-infected L929 cultures
Published in Memórias do Instituto Oswaldo Cruz (01-06-2015)“…We describe herein the antitrypanosomal activity of 20 novel 1,3-bis(aryloxy)propan-2-amine derivatives. Compounds 2, 4, 6, 12, 15, 16 and 19 were…”
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11
The in vitro activity of fatty diamines and amino alcohols against mixed amastigote and trypomastigote Trypanosoma cruzi forms
Published in Memórias do Instituto Oswaldo Cruz (01-06-2014)“…Four diamines and three amino alcohols derived from 1-decanol, 1-dodecanol and 1,2-dodecanediol were evaluated in an in vitro assay against a mixture of…”
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12
The level of ascorbate peroxidase is enhanced in benznidazole-resistant populations of Trypanosoma cruzi and its expression is modulated by stress generated by hydrogen peroxide
Published in Memórias do Instituto Oswaldo Cruz (01-06-2012)“…Ascorbate peroxidases (APX) are class I heme-containing enzymes that convert hydrogen peroxide into water molecules. The gene encoding APX has been…”
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13
In vitro trypanocidal activity of DB745B and other novel arylimidamides against Trypanosoma cruzi
Published in Journal of antimicrobial chemotherapy (01-06-2011)“…As part of a search for new therapeutic opportunities to treat chagasic patients, in vitro efficacy studies were performed to characterize the activity of five…”
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14
The activity of a metronidazole analogue and its β-cyclodextrin complex against Trypanosoma cruzi
Published in Memórias do Instituto Oswaldo Cruz (01-12-2011)“…In this study we prepared an inclusion complex between an iodide analogue of metronidazole (MTZ-I) and cyclodextrin (CD) to develop a safer and more effective…”
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15
Upregulation of Cysteine Synthase and Cystathionine β-Synthase Contributes to Leishmania braziliensis Survival under Oxidative Stress
Published in Antimicrobial agents and chemotherapy (01-08-2015)“…Cysteine metabolism is considered essential for the crucial maintenance of a reducing environment in trypanosomatids due to its importance as a precursor of…”
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16
A potent trypanocidal component from the fungus Lentinus strigosus inhibits trypanothione reductase and modulates PBMC proliferation
Published in Memórias do Instituto Oswaldo Cruz (01-05-2008)“…The fungus Lentinus strigosus (Pegler 1983) (Polyporaceae, basidiomycete) was selected in a screen for inhibitory activity on Trypanosoma cruzi trypanothione…”
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17
Synthesis and biological evaluation of potential inhibitors of the cysteine proteases cruzain and rhodesain designed by molecular simplification
Published in Bioorganic & medicinal chemistry (15-03-2017)“…[Display omitted] Analogues of 8-chloro-N-(3-morpholinopropyl)-5H-pyrimido[5,4-b]indol-4-amine 1, a known cruzain inhibitor, were synthesized using a molecular…”
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18
Knockdown of Host Antioxidant Defense Genes Enhances the Effect of Glucantime on Intracellular Leishmania braziliensis in Human Macrophages
Published in Antimicrobial agents and chemotherapy (01-07-2017)“…Leishmaniasis is a neglected tropical disease that affects millions of people worldwide and represents a major public health problem. Information on protein…”
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19
The anticancer drug tamoxifen is active against Trypanosoma cruzi in vitro but ineffective in the treatment of the acute phase of Chagas disease in mice
Published in Memórias do Instituto Oswaldo Cruz (01-11-2010)“…The activity of the antineoplastic drug tamoxifen was evaluated against Trypanosoma cruzi . In vitro activity was determined against epimastigote,…”
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20
Susceptibility of Triatoma infestans to deltamethrin in Rio Grande do Sul, Brazil
Published in Memórias do Instituto Oswaldo Cruz (01-07-2009)“…Strategies for controlling Chagas disease are based on spraying infested houses with pyrethroid insecticides. However, the intense use of these insecticides…”
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