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Página 1 desde 21 resultados
Chemical Composition, Antioxidant and Cytotoxic Activities of Hyptis suaveolens (L.) Poit. Essential Oil on Prostate and Cervical Cancers Cells
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Background and objective: Hyptis suaveolens is an aromatic plant used in traditional medicine in Burkina Faso for management of various diseases including wounds and inflammatory diseases. Thus, the objective of this work was to
Evaluation of the cytotoxicity on breast cancer cell of extracts and compounds isolated from Hyptis pectinata (L.) poit.
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Hyptis pectinata is a herb popularly used in Brazil for the treatment of inflammations, pain, bacterial infections and cancer. In the present study, inflorescences (MPIn), leaves (MPL), branches (MPB), root (MPR) extracts and three compounds isolated from MPIn were assayed against breast
Antitumor Effects of Ethanol Extracts from Hyptis Rhomboidea in H22 Tumor-bearing Mice.
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UNASSIGNED
Research the antitumor effects of ethanol extracts from Hyptis rhomboidea in H22 tumor-bearing mice. At the fist-stage of the experiments, the research team took MTT method to measure the antitumor activity in vitro, then selected the most inhibitory tumor cell strain as the test object
Screening of Venezuelan medicinal plant extracts for cytostatic and cytotoxic activity against tumor cell lines.
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There are estimated to be more than 20,000 species of plants in Venezuela, of which more than 1500 are used for medicinal purposes by indigenous and local communities. Only a relatively small proportion of these have been evaluated in terms of their potential as antitumor agents. In this study, we
Tumor-inhibitory agent from Hyptis emoryi (Labiatae).
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Characterisation of the anti-inflammatory and antinociceptive activities of the Hyptis pectinata (L.) Poit essential oil.
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OBJECTIVE
Hyptis pectinata Poit (Lamiaceae) is grown in the northeastern regions of Brazil and is popularly known as "sambacaitá" or "canudinho". It is extensively used in folk medicine to treat inflammatory conditions, bacterial infections, pain, and cancer.
METHODS
Hyptis pectinata essential oil
Antileishmanial Phenylpropanoids from the Leaves of Hyptis pectinata (L.) Poit.
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Hyptis pectinata, popularly known in Brazil as "sambacaitá" or "canudinho," is an aromatic shrub largely grown in the northeast of Brazil. The leaves and bark are used in an infusion for the treatment of throat and skin inflammations, bacterial infections, pain, and cancer. Analogues of rosmarinic
Hedgehog inhibitors from Artocarpus communis and Hyptis suaveolens.
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The hedgehog (Hh) signaling pathway plays crucial roles in cell maintenance and proliferation during embryonic development. Naturally occurring Hh inhibitors were isolated from Artocarpus communis and Hyptis suaveolens using our previously constructed cell-based assay system. Bioactivity guided
Selection methodology with scoring system: application to Mexican plants producing podophyllotoxin related lignans.
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As most anticancer drugs are derived from natural sources, the screening of local medicinal flora should be considered a primary step in the search for new sources for antineoplastic agents. In Mexico, more than 6000 medicinal plant species are used for the treatment of various diseases, including
Bioactive compounds of Aspergillus terreus-F7, an endophytic fungus from Hyptis suaveolens (L.) Poit.
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The compounds terrein (1), butyrolactone I (2), and butyrolactone V (3) were isolated from the ethyl acetate extract (EtOAc) of the endophytic fungus Aspergillus terreus-F7 obtained from Hyptis suaveolens (L.) Poit. The extract and the compounds presented schistosomicidal activity against
Complementarity of DFT Calculations, NMR Anisotropy, and ECD for the Configurational Analysis of Brevipolides K-O from Hyptis brevipes.
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Brevipolides K-O (1-5), five new cytotoxic 6-(6'-cinnamoyloxy-2',5'-epoxy-1'-hydroxyheptyl)-5,6-dihydro-2H-pyran-2-ones (IC50 values against six cancer cell lines, 1.7-10 μM), were purified by recycling HPLC from Hyptis brevipes. The structures, containing a distinctive tetrahydrofuran ring, were
Absolute configuration and conformational analysis of brevipolides, bioactive 5,6-dihydro-α-pyrones from Hyptis brevipes.
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The (6'S)-configuration of brevipolides A-J (1-10), isolated from Hyptis brevipes, was established by X-ray diffraction analysis of 9 in conjunction with Mosher's ester analysis of the tetrahydro derivative 11 obtained from both geometric isomers 8 and 9 as well as by chemical correlations. The
Structure and stereochemistry of pectinolides A-C, novel antimicrobial and cytotoxic 5,6-dihydro-alpha-pyrones from Hyptis pectinata.
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By bioactivity-directed fractionation, three new antimicrobial and cytotoxic 5,6-dihydro-alpha-pyrones, pectinolides A-C, have been isolated from Hyptis pectinata (Lamiaceae). The absolute stereochemistry of pectinolide A [1] was established as 6S-[(3S-acetyloxy)-1Z-heptenyl]-5S-(acetyloxy)-5
Novel cytotoxic isolated from Jamaican Hyptis verticillata jacq induces apoptosis and overcomes multidrug resistance.
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BACKGROUND
Adult T-cell leukemia is an aggressive hematological malignancy with a poor clinical prognosis, and a rapid resistance to chemotherapy is rapid.
METHODS
Cytotoxicity assay-directed fractionation identified a novel lignan-related agent, 4-methoxy-9-(3,4,5-trimethoxyphenyl)-8, 9 -
Cytotoxic constituents from Hyptis verticillata.
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A new cytotoxic (P-388 ED50 4 microgm/ml) arylnaphthalene lignan has been isolated from the Mexican medicinal plant Hyptis verticillata (Lamiaceae) and characterized as 5-methoxydehydropodophyllotoxin [1]. Eight additional lignans were also obtained by bioactivity-directed fractionation using the
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