Search Results - "Freitas, Jose C"
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Gouregine, an α -Gem-Dimethyltetradehydrocularine Alkaloid, and Other Aporphinoid Alkaloids from the Bark of Guatteria olivacea (Annonaceae) and Their In Vitro Cytotoxic Activities
Published in Molecules (Basel, Switzerland) (13-08-2024)“…R.E. Fries is an Amazonian species known as 'envira-bobó' and 'envira-fofa' and is common in the states of Amazonas, Acre, and Pará. Recently, the essential…”
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Biochemical and electrophysiological characterization of two sea anemone type 1 potassium toxins from a geographically distant population of Bunodosoma caissarum
Published in Marine drugs (06-03-2013)“…Sea anemone (Cnidaria, Anthozoa) venom is an important source of bioactive compounds used as tools to study the pharmacology and structure-function of…”
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Physiological and behavioral effects of chemoreceptors located in different body parts of the swimming crab Callinectes danae
Published in Comparative biochemistry and physiology. Part A, Molecular & integrative physiology (01-04-2007)“…By perfusing their branchial chambers with filtered seawater, we have developed a preparation that allows us to maintain the swimming crab Callinectes danae…”
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BcsTx3 is a founder of a novel sea anemone toxin family of potassium channel blocker
Published in The FEBS journal (01-10-2013)“…Sea anemone venoms have become a rich source of peptide toxins which are invaluable tools for studying the structure and functions of ion channels. In this…”
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Anti-oxidative and anti-ulcerogenic activity of Ipomoea imperati
Published in Revista brasileira de farmacognosia (01-12-2011)“…Ipomoea imperati (Vahl) Griseb., Convolvulaceae, is used in traditional medicine for the treatment of inflammation, swelling and wounds, as well as to treat…”
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Saccharina latissima (Laminariales, Ochrophyta) farming in an industrial IMTA system in Galicia (Spain)
Published in Journal of applied phycology (01-02-2016)“…The development of integrated multitrophic aquaculture (IMTA) systems in Spain has been rather limited so far. However, trials carried out in recent years at…”
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Crotamine pharmacology revisited: novel insights based on the inhibition of KV channels
Published in Molecular pharmacology (01-07-2012)“…Crotamine, a 5-kDa peptide, possesses a unique biological versatility. Not only has its cell-penetrating activity become of clinical interest but, moreover,…”
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Bunodosine 391: An Analgesic Acylamino Acid from the Venom of the Sea Anemone Bunodosoma cangicum
Published in Journal of natural products (Washington, D.C.) (25-03-2011)“…A new acylamino acid, bunodosine 391 (BDS 391), was isolated from the venom of the sea anemone Bunodosoma cangicum. The structure was elucidated by…”
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Cytoskeleton alterations induced by Geodia corticostylifera depsipeptides in breast cancer cells
Published in Peptides (New York, N.Y. : 1980) (01-09-2006)“…Crude extracts of the marine sponge Geodia corticostylifera from Brazilian Coast have previously shown antibacterial, antifungal, cytotoxic, haemolytic and…”
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Neurotoxins in the polar fraction of the seaweed Galaxaura marginata (Rhodophyta, Nemaliales)
Published in Revista brasileira de farmacognosia (01-06-2008)“…Neurotoxic activity of polar substances extracted from the red seaweed Galaxaura marginata was investigated in pharmacological assays, using seaweed collected…”
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Antinociceptive activity of Ipomoea imperati (Vahl) Griseb., Convolvulaceae
Published in Revista brasileira de farmacognosia (01-05-2010)“…Ipomoea imperati (Vahl) Griseb., Convolvulaceae, is used in folk medicine for the treatment of inflammation, swelling and wounds, as well as to treat pains…”
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Cytotoxicity in the marine dinoflagellate Prorocentrum mexicanum from Brazil
Published in Comparative biochemistry and physiology. Toxicology & pharmacology (01-05-2006)“…The microscopic algae in the oceans are crucial food for filter feeding bivalve shellfish (oysters, mussels, scallops, clams, etc.) as well as for the larvae…”
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Binding specificity of sea anemone toxins to Nav 1.1-1.6 sodium channels: unexpected contributions from differences in the IV/S3-S4 outer loop
Published in The Journal of biological chemistry (06-08-2004)“…Sea anemones are an important source of various biologically active peptides, and it is known that ATX-II from Anemonia sulcata slows sodium current…”
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Effect of ethyl acetate extract from husk fiber water of Cocos nucifera in Leishmania braziliensis infected hamsters
Published in Revista brasileira de farmacognosia (01-12-2011)“…The objective of this study was to evaluate the treatment with ethyl acetate extract (EAE) from husk fiber water of Cocos nucifera L., Arecaceae, in L…”
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Binding Specificity of Sea Anemone Toxins to Nav 1.1-1.6 Sodium Channels
Published in The Journal of biological chemistry (06-08-2004)“…Sea anemones are an important source of various biologically active peptides, and it is known that ATX-II from Anemonia sulcata slows sodium current…”
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Binding Specificity of Sea Anemone Toxins to Na sub(v) 1.1-1.6 Sodium Channels: unexpected contributions from differences in the IV/S3-S4 outer loop
Published in The Journal of biological chemistry (06-08-2004)“…Sea anemones are an important source of various biologically active peptides, and it is known that ATX-II from Anemonia sulcata slows sodium current…”
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Bcs T x3 is a founder of a novel sea anemone toxin family of potassium channel blocker
Published in The FEBS journal (01-10-2013)“…Sea anemone venoms have become a rich source of peptide toxins which are invaluable tools for studying the structure and functions of ion channels. In this…”
Get full text
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Intracellular increase of glutamate in neuroblatoma cells induced by polar substances of Galaxaura marginata (Rhodophyta, Nemaliales)
Published in Revista brasileira de farmacognosia (01-03-2008)“…Four substances purified by HPLC from red seaweed Galaxaura marginata (Ellis & Solander) Lamouroux showed neuroprotective and mitochondria regulatory…”
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