Search Results - "Alves, Tânia Maria Almeida"
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Fungi in glacial ice of Antarctica: diversity, distribution and bioprospecting of bioactive compounds
Published in Extremophiles : life under extreme conditions (01-05-2020)“…We identified cultivable fungi present in the glacial ice fragments collected in nine sites across Antarctica Peninsula and assessed their abilities to produce…”
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Natural Occurring Phenolic Derivatives from Mauritia flexuosa (Buriti) Stems and Their Potential Antibacterial Activity against Methicillin‐Resistant Staphylococcus aureus (MRSA)
Published in Chemistry & biodiversity (01-03-2022)“…Mauritia flexuosa Linnaeus filius (buriti or aguage; Arecaceae) is a palm used by traditional medicine in Brazil to treat dysentery and diarrhea. Our group…”
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A new insight into purinergic pharmacology: Three fungal species as natural P2X7R antagonists
Published in Phytotherapy research (01-09-2019)“…P2X7 is a purinergic receptor involved in important physiological functions and pathological processes, such as inflammation, neurodegeneration, and pain…”
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Searching for plant-derived antivirals against dengue virus and Zika virus
Published in Virology journal (22-02-2022)“…The worldwide epidemics of diseases as dengue and Zika have triggered an intense effort to repurpose drugs and search for novel antivirals to treat patients as…”
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Anti- Leishmania compounds can be screened using Leishmania spp. expressing red fluorescence ( tdTomato )
Published in Antimicrobial agents and chemotherapy (10-01-2024)“…The main challenges associated with leishmaniasis chemotherapy are drug toxicity, the possible emergence of resistant parasites, and a limited choice of…”
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Adapting the roadmapping approach to science-intensive organizations: Lessons from a drug development program for neglected diseases
Published in Journal of engineering and technology management (01-04-2019)“…This paper discusses a roadmapping approach (RMA) adopted on a program on drug discovery and development for neglected diseases. This experience led to changes…”
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Thiosemicarbazone of lapachol acts on cell membrane in Paracoccidioides brasiliensis
Published in Medical mycology (Oxford) (01-04-2019)“…Abstract Paracoccidioidomycosis (PCM) is the most prevalent systemic mycosis in Latin American countries. Amphotericin B, sulfonamides, and azoles may be used…”
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Leishmanicidal compounds of Nectria pseudotrichia, an endophytic fungus isolated from the plant Caesalpinia echinata (Brazilwood)
Published in Memórias do Instituto Oswaldo Cruz (01-02-2018)“…BACKGROUND In a screen of extracts from plants and fungi to detect antileishmanial activity, we found that the ethyl acetate extract of the fungus Nectria…”
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Untargeted Liquid Chromatography-High-Resolution Mass Spectrometry Metabolomic Investigation Reveals Altered Lipid Content in Leishmania infantum Lacking Lipid Droplet Protein Kinase
Published in Tropical medicine and infectious disease (10-09-2024)“…Leishmaniasis is a complex disease caused by different species of . To date, no vaccine for humans or ideal therapy has been developed owing to the limited…”
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Antifungal activity of trichothecenes from Fusarium sp. against clinical isolates of Paracoccidioides brasiliensis
Published in Mycoses (01-07-2011)“…Summary Paracoccidioidomycosis (PCM), a human mycosis caused by the dimorphic fungus Paracoccidioides brasiliensis, is a serious public health problem in…”
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Aspidosperma (Apocynaceae) plant cytotoxicity and activity towards malaria parasites. Part I: Aspidosperma nitidum (Benth) used as a remedy to treat fever and malaria in the Amazon
Published in Memórias do Instituto Oswaldo Cruz (01-12-2013)“…Infusions of Aspidosperma nitidum (Apocynaceae) wood bark are used to treat fever and malaria in the Amazon Region. Several species of this family are known to…”
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The antimicrobial activity of lapachol and its thiosemicarbazone and semicarbazone derivatives
Published in Memórias do Instituto Oswaldo Cruz (01-05-2013)“…Lapachol was chemically modified to obtain its thiosemicarbazone and semicarbazone derivatives. These compounds were tested for antimicrobial activity against…”
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Intra-specific phenotypic variations in Lantana camara leaves affect host selection by the gall maker Aceria lantanae
Published in Biochemical systematics and ecology (01-11-2009)“…Leaf galls induced by Aceria lantanae occur in distinct populations of Lantana camara, exclusively on individuals with red flowers. Anatomical, histochemical…”
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Leishmanicidal metabolites from Cochliobolus sp., an endophytic fungus isolated from Piptadenia adiantoides (Fabaceae)
Published in PLoS neglected tropical diseases (01-12-2008)“…Protozoan parasites belonging to genera Leishmania and Trypanosoma are the etiological agents of severe neglected tropical diseases (NTDs) that cause enormous…”
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Biological Screening of Brazilian Medicinal Plants
Published in Memórias do Instituto Oswaldo Cruz (01-06-2000)“…In this study, we screened sixty medicinal plant species from the Brazilian savanna ("cerrado") that could contain useful compounds for the control of tropical…”
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β-Carboline Glucoalkaloids from Psychotria cupularis and Evaluation of Their Antileishmanial Activity
Published in Revista brasileira de farmacognosia (01-10-2021)“…Purification of the crude ethanol extracts from leaves and stems of Psychotria cupularis (Müll.Arg.) Standl., Rubiaceae, resulted in the isolation of the known…”
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The analgesic and gastroprotective activities of the three fungal extracts and their possible correlation with the inhibition of the P2X7 receptor
Published in Biomedicine & pharmacotherapy (01-12-2024)“…P2X7 is a purinergic receptor physiologically activated by extracellular ATP. Its activation induces proinflammatory responses, including cytokine release,…”
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Leishmanicidal activities of the extract from Blepharocalyx salicifolius (Kunth) O. Berg, Myrtaceae
Published in Revista brasileira de farmacognosia (01-07-2010)“…Crude ethanolic extracts from Blepharocalyx salicifolius (Kunth) O. Berg, Myrtaceae, was fractioned by Gel Permeation Chromatography, using SephadexTM LH-20…”
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Trypanocidal Trixikingolides From Trixis Vauthieri
Published in Natural product research (12-08-2021)“…Chagas disease is an illness caused by the protozoan parasite Trypanosoma cruzi. Only two drugs are available, with the drawback of low rate of cure in the…”
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Molecular phylogeny, diversity, symbiosis and discover of bioactive compounds of endophytic fungi associated with the medicinal Amazonian plant Carapa guianensis Aublet (Meliaceae)
Published in Biochemical systematics and ecology (01-04-2015)“…We investigated the endophytic fungal community associated with the Amazonian medicinal plant Carapa guianensis and its potential for providing bioactive…”
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