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11 resultados
Anticancer activity of sugiol against ovarian cancer cell line SKOV3 involves mitochondrial apoptosis, cell cycle arrest and blocking of the RAF/MEK/ERK signalling pathway.
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Sugiol (127horbar;hydroxyabieta-8,11,13-trien-7-one) targets human pancreatic carcinoma cells (Mia-PaCa2) by inducing apoptosis, G2/M cell cycle arrest, ROS production and inhibition of cancer cell migration.
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OBJECTIVE
Plants produce a diversity of molecular scaffolds with tremendous pharmacological potential. In the present study we evaluated the anticancer activity of the plant-derived natural product sugiol. We also evaluated its effects on apoptosis-related key proteins, cell cycle phase
Diterpenes from Cryptomeria japonica inhibit androgen receptor transcriptional activity in prostate cancer cells.
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We identified eight diterpenes from Cryptomeria japonica (Taxodiaceae), which inhibit the activity of the androgen receptor (AR) in human prostate cancer (PCa) 22Rv1-derived 103E cells. The compounds 6,12-dihydroxyabieta-5,8,11,13-tetraen-7-one ( 2), sugiol ( 3), ferruginol ( 4), and
Abietane diterpenes induce cytotoxic effects in human pancreatic cancer cell line MIA PaCa-2 through different modes of action.
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Abietane diterpenes, especially those containing quinone moieties, are often reported to have cytotoxic effects on cancer cell lines. They deserve greater attention because several cancer chemotherapeutic agents also possess the quinone structural feature. To date, very little is known about their
Anti-tumor abietane diterpenes from the cones of Sequoia sempervirens.
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A new abietane, namely, 20-hydroxyferruginol (1), together with known ferruginol (2), 18-hydroxyferruginol (3), sugiol (4), and 6alpha-hydroxysugiol (5), were isolated from the cones of Sequoia sempervirens. Their structures were elucidated through spectral data. Compounds 1 and 5 strongly inhibited
Xanthine oxidase inhibitory terpenoids of Amentotaxus formosana protect cisplatin-induced cell death by reducing reactive oxygen species (ROS) in normal human urothelial and bladder cancer cells.
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The diterpenoids (+)-ferruginol (1), ent-kaur-16-en-15-one (2), ent-8(14),15-sandaracopimaradiene-2α,18-diol (3), 8(14),15-sandaracopimaradiene-2α,18,19-triol (4), and (+)-sugiol (5) and the triterpenoids 3β-methoxycycloartan-24(24(1))-ene (6), 3β,23β-dimethoxycycloartan-24(24(1))-ene (7),
Abietane diterpenoids from Lycopodium complanatum.
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Five new abietane diterpenoids (complanatins A-E, 1-5) have been isolated from the club moss Lycopodium complanatum, along with two known abietane diterpenoids (xanthoperol and sugiol). Their structures were determined by comprehensive analysis of 1D, 2D NMR, CD and HRESIMS data. The cytotoxic
A Pair of Enantiomeric Bis- seco-abietane Diterpenoids from Cryptomeria fortunei.
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(±)-Cryptomeriolide, a pair of racemic bis- seco-abietane diterpenoids, were isolated from the bark of Cryptomeria fortunei. The separation of enantiomers was achieved by using chiral stationary phase HPLC. Their structures including the absolute configuration and conformations in solution and solid
Diterpenoids including a novel dimeric conjugate from Salvia leriaefolia.
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Salvialeriafone (1), a novel diterpene-norditerpene conjugate, was isolated from Salvia leriaefolia. Additionally, two new abietane-type diterpenoids, salvialerial (2) and salvialerione (3), as well as four known compounds, sugiol (4), salvicanaric acid (5), dehydroroyleanone (6), and cariocal (7),
Comparative evaluation of cytotoxic, antimicrobial and antioxidant activities of the crude extracts of three Plectranthus species grown in Saudi Arabia.
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Natural products from medicinal plants represent major resource of novel therapeutic substances for combating serious diseases including cancers and microbial infections. The genus Plectranthus (Family: Labiatae) represents a large and widespread group of species with a diversity of
Antiproliferative effects of abietane diterpenes from Aegiphila lhotzkyana.
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Five abietane diterpenes were isolated from a hexane extract obtained from the roots of Aegiphila lhotzkyana and identified as uncinatone, cyrtophyllone B, teunvicenone E, sugiol and 12,16-epoxy-11,14-dihydroxy-6-methoxy-17(15 - 16)- abeo-abieta-5,8, 11,13,15-pentaene-3,7-dione. The last compound
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