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New Cytotoxic Oxygenated Sterols from the Marine Bryozoan Cryptosula pallasiana
Six new sterols were isolated from the CCl4 extract of the marine bryozoan Cryptosula pallasiana, and this is the first time that these compounds (3-6) are reported as natural sterols. Expand
Atrazine and its metabolites in surface and well waters in rural area and its human and ecotoxicological risk assessment of Henan province, China
ABSTRACT A study to monitor atrazine (ATR) and its metabolites in surface and well waters in rural area of Henan province was undertaken. A total of 66 surface water and 38 well water samples wereExpand
Review of bioactive secondary metabolites from marine bryozoans in the progress of new drugs discovery.
This review summarizes 164 new secondary metabolites including macrocyclic lactones, sterols, alkaloids, sphingolipids and so forth from 24 marine bryozoans in the last two decades from which the possibility of using these compounds as starting points for new drug discovery is indicated. Expand
New Cytotoxic Secondary Metabolites from Marine Bryozoan Cryptosula pallasiana
A new sterol, (23R)-methoxycholest-5,24-dien-3β-ol (1), two new ceramides, (2S,3R,4E,8E)-2-(tetradecanoylamino)-4,8-octadecadien-l,3-diol (6) andExpand
Polyhydroxysteroidal glycosides from the starfish Anthenea chinensis.
Ten new polyhydroxysteroidal glycosides, anthenosides B-K (2-11), were isolated from the ethanol extract of the starfish Anthenea chinensis and showed inhibitory activity against human tumor K-562 and BEL-7402 cells and cytotoxicity against U87MG cells. Expand
A new polyhydroxysteroidal glycoside from the starfish Anthenea chinensis
A new polyhydroxysteroidal glycoside, (20R,24R)-16-O-(4-O-methyl-2-acetamido-2-deoxy-β-d-galactopyranosyl)-24-ethyl-5α-cholest-8(14)-en-3β,6β,7β,16α-tetrol (anthenoside A, 1), was isolated from theExpand
Bacillus crassostreae sp. nov., isolated from an oyster (Crassostrea hongkongensis).
The combination of results from the phylogenetic analysis, DNA-DNA hybridization, and phenotypic and chemotaxonomic characterization supported the conclusion that strain JSM 100118(T) represents a novel species of the genus Bacillus, for which the name Bacillus crassostreae sp. Expand
New 3β,6β-dihydroxy and 3β,5α,6β-trihydroxy sterols from marine bryozoan Bugula neritina in South China Sea and their cytotoxicity
Two new sterols, isolated from the marine bryozoan Bugula neritina inhabiting South China Sea, exhibited selective inhibitions against HepG2 cancer cell line with the IC 50 values and the characteristic 3 β ,6 β -dihydroxy Δ 4 nucleus in sterols 1, 2 and 5 was found from marine b Bryozoans for the first time. Expand
Cytotoxic triterpenoid saponins from the rhizomes of Anemone taipaiensis.
Six saponins, 1, 2, 4- 7, which possessed a free carboxylic group at C-28, exhibited significant cytotoxicity against human leukemia HL-60 cells and human hepatocellular carcinoma Hep-G2 cells with IC (50) values in the range of 1.31-10.12 µM. Expand