| Description: |
1,4-O-Diferuloylsecoisolariciresinol(9,9'-Di-O-(E)-feruloylsecoisolariciresinol),and pierreione B, two novel inhibitors of mTOR signaling, have strong anticancer activity. (+)-9,9′-O-Diferuloylsecoisolariciresinol has significant cytotoxic activity against the DU145, LNCaP, and A549 cell lines. |
| In vitro: |
| Chemistry of Natural Compounds, 2014, 50(6): 978-81. | | Phytochemical Investigation and Cytotoxic Evaluation of Components of Leaves and Stems of Machilus zuihoensis var. mushaensis[Reference: WebLink] |
METHODS AND RESULTS:
From the MeOH extract of the leaves and stems of Machilus zuihoensis var. mushaensis, one new lignan, machilolin-B (1), together with 10 known compounds, zuonin B (2), (+)-9,9′-O-diferuloylsecoisolariciresinol (9,9'-Di-O-(E)-feruloylsecoisolariciresinol,3), (E)-3-(3-hydroxybut-1-enyl)-2,4,4-trimethylcyclohexa-2,5-dienone (4), 5-[(1R,5R,8S)-8-hydroxy-1,5-dimethyl-3-oxo-6-oxabicyclo[3.2.1]oct-8-yl]-3-methyl-2,4-pentadienoic acid (5), vanillin (6), rhamnetin-3-O-β-D-galactopyranoside (7), 2-hydroxy-3,4-dioxopentanal (8), a mixture of β-sitosterol (9) and stigmasterol (10), and β-sitosteryl-β-D-glucoside (11), have been isolated.
CONCLUSIONS:
Among them, compound 3 was demonstrated to have significant cytotoxic activity against the DU145, LNCaP, and A549 cell lines. Compound 11 also possessed moderate antiproliferative activities against DU145 cell lines. |
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