| Identification | Back Directory | [Name]
FOSTRIECIN SODIUM SALT | [CAS]
87860-39-7 | [Synonyms]
FST
CL-920
FST344
FOSTRIECIN
PHOSPHOTRIENIN
ci920sodiumsalt
cl1565asodiumsalt
FOSTRIECIN SODIUM
FOSTRIECIN SODIUM SALT
antibioticci920sodiumsalt
Human FST Protein, Fc Tag
antibioticcl1565asodiumsalt
FOSTRIECIN SODIUM SALT USP/EP/BP
11-tridecatetraenyl)-monosodiumsalt
FOSTRIECIN, SODIUM SALT, STREPTOMYCES PULVERACEOUS
fostriecin sodium salt from streptomyces pulveraceus
Fostriecin sodium salt from Streptomyces pulveraceus >=98% (HPLC)
Fostriecin, Sodium Salt, Streptomyces pulveraceous - CAS 87860-39-7 - Calbiochem
(6R)-5,6-Dihydro-6-[(1E,3R,4R,6R,7Z,9Z,11E)-3,6,13-trihydroxy-3-methyl-4-(phosphonooxy)-1,7,9,11-tridecatetraenyl]-2H-pyran-2-onesodiumsalt
(6R)-5,6-DIHYDRO-6-[(1E,3R,4R,6R,7Z,9Z,11E)-3,6,13-TRIHYDROXY-3-METHYL-4-(PHOSPHONOOXY)-1,7,9,11-TRIDECATETRAENYL]-2H-PYRAN-2-ONE SODIUM SALT
(6R)-5,6-Dihydro-6-[(1E,3R,4R,6R,7Z,9Z,11E)-3,6,13-trihydroxy-3-methyl-4-(phosphonooxy)-1,7,9,11-tridecatetraenyl]-2H-pyran-2-one monosodium salt | [Molecular Formula]
C19H26NaO9P | [MDL Number]
MFCD01939908 | [MOL File]
87860-39-7.mol | [Molecular Weight]
452.37 |
| Chemical Properties | Back Directory | [storage temp. ]
−20°C
| [solubility ]
Soluble in H2O | [form ]
Colorless solid | [biological source]
Streptomyces sp. (Streptomyces pulveraceous) | [Water Solubility ]
Soluble to 100 mM in water | [InChIKey]
GMNLFZGMQHSFFV-DSXPUHJBNA-N | [SMILES]
[C@@H](OP(O)(O)=O)(C[C@@H](O)/C=C\C=C/C=C/CO)[C@@](O)(C)/C=C/[C@H]1CC=CC(=O)O1.[NaH] |&1:0,7,17,22,r| |
| Hazard Information | Back Directory | [Description]
Fostriecin is an inhibitor of the serine/threonine protein phosphatases 2A (PP2A) and 4 (PP4) (IC50s = 3.2 and 3 nM, respectively).1,2 It less effectively inhibits topoisomerase II and PP1 (IC50s = 40 and 131 μM, respectively) and does not inhibit PP2B.1,3 Through its effects on protein phosphatases, fostriecin increases the level of histone H3 phosphorylation and may alter epigenetic regulation of cell proliferation.4 On a related note, fostriecin was first identified as an antitumor antibiotic.5 | [Uses]
Antineoplastic. | [Biological Activity]
Originally identified as an antitumor antibiotic from Streptomyces pulveraceous . Displays potent inhibition of protein phosphatase types 2A (PP2A) and 4 (PP4) with IC 50 values of 1.5 nM and 3 nM respectively. Also exhibits weaker inhibition of topoisomerase II (IC 50 = 40 μ M) and protein phosphatase type 1 (PP1) (IC 50 = 131 μ M) with no apparent inhibition of protein phosphatase type 2B (PP2B). Active in vivo . | [Biochem/physiol Actions]
Fostriecin is a natural inhibitor of serine/ threonine phosphatases. It is a phosphate monoester produced by fermentation beer of Streptomyces pulveraceus. Fostriecin is a strong inhibitor of protein phosphatases type 2A and 4 (PP2A and PP4) and a weak inhibitor of protein phosphatases type 1 and 5 (PP1 and PP5). It exhibits anti-tumor activity against several tumor cells in vitro and L1210 and P388 leukemias in vivo. The anti-tumor activity of fostriecin is due to its ability to interfere with the reversible?phosphorylation?of proteins that are involved in the progression of the cell cycle. It also exhibits cytotoxic effects. Fostriecin can inhibit the DNA, RNA and protein synthesis. | [in vitro]
a human tumor cloning assay was adopted to investigate the antineoplastic activity of fostriecin. variety of histologic tumor cells exposure to 10 mg/ml fostriecin resulted in 27% in vitro anticancer response. in another study using hela cells, by suppressing the topo ii catalytic activity, 0.22 mm fostriecin could lead to more than 90% inhibition of cancer cell dna synthesis. [2,3] | [in vivo]
fostriecin showed intensively cytotoxicity against a number of cancer cell lines and had a strong antitumor effect in animals. 10 mg/ml fostriecin could substantially suppress p388 and l1210 leukemias in mice. [2,3] | [IC 50]
inhibit protein phosphatase types 2a (pp2a) and 4 (pp4) intensively with an ic50 of 1.5 nm and 3 nm respectively. inhibit topoisomerase ii (topo ii) and protein phosphatase type 1 (pp1) slightly with an ic50 of 40 μm and 131 μm respectively. | [storage]
-20°C (desiccate) | [References]
[1] zhang x, wu j, fang l, willis wd. the effects of protein phosphatase inhibitors on the duration of central sensitization of rat dorsal horn neurons following injection of capsaicin. mol pain. 2006 jul; 2(23). doi:10.1186/1744-8069-2-23.
[2] scheithauer w, von hoff dd, clark g, shillis jl, elslager ef. in vitro activity of the novel antitumor antibiotic fostriecin (ci-920) in a human tumor cloning assay. eur j cancer res & clin oncol. 1986 aug; 22(8): 921-6.
[3] gedik cm, collins ar. comparison of effects of fostriecin, novobiocin, and camptothecin, inhibitors of dna topoisomerases, on dna replication and repair in human cells. nnucleic acids res. 1990 aug; 18(4):1008-13.
[4] le lh, erlichman c, pillon l, thiessen jj, day a, wainman n, eisenhauer ea, moore mj. phase i and pharmacokinetic study of fostriecin given as an intravenous bolus daily for five consecutive days.invest new drugs. 2004 apr; 22(2):159-67. |
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