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5 results
Molecular Mechanisms Underlying Yatein-Induced Cell-Cycle Arrest and Microtubule Destabilization in Human Lung Adenocarcinoma Cells.
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Yatein is an antitumor agent isolated from Calocedrus formosana Florin leaves extract. In our previous study, we found that yatein inhibited the growth of human lung adenocarcinoma A549 and CL1-5 cells by inducing intrinsic and extrinsic apoptotic pathways. To further uncover the effects and
Antiproliferative Compounds from Cleistanthus boivinianus from the Madagascar Dry Forest.
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The two new lignans 3α-O-(β-D-glucopyranosyl)desoxypodophyllotoxin (1) and 4-O-(β-D-glucopyranosyl)dehydropodophyllotoxin (2) were isolated from Cleistanthus boivinianus, together with the known lignans deoxypicropodophyllotoxin (3), (±)-β-apopicropodophyllin (4), (-)-desoxypodophyllotoxin (5),
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
Heterolignanolides: antitumor activity of furyl-, thienyl-, and pyridyl analogs of lignanolides.
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A new class of heteroaromatic analogs of lignans, called heterolignanolides, have been tested against several tumor cell lines. These compounds carry diverse heterocyclic rings, instead of the trimethoxyphenyl ring found in the natural lignans yatein and podorhizol. They have moderate antineoplastic
Cytotoxic podophyllotoxin type-lignans from the steam bark of Bursera fagaroides var. fagaroides.
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The hydroalcoholic extract of the steam bark of B. fagaroides var. fagaroides displayed potent cytotoxic activity against four cancer cell lines, namely KB (ED50 = 9.6 × 10(-2) μg/mL), PC-3 (ED50 = 2.5 × 10(-1) μg/mL), MCF-7 (ED50 = 6.6 μg/mL), and HF-6 (ED50 = 7.1 × 10(-3) μg/mL). This extract also
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