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Tryprostatin A

CAS# 171864-80-5

Tryprostatin A

Catalog No. BCN6778----Order now to get a substantial discount!

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Tryprostatin A: 5mg $1150 In Stock
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Quality Control of Tryprostatin A

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Chemical structure

Tryprostatin A

3D structure

Chemical Properties of Tryprostatin A

Cas No. 171864-80-5 SDF Download SDF
PubChem ID 9929833 Appearance Powder
Formula C22H27N3O3 M.Wt 381.47
Type of Compound Alkaloids Storage Desiccate at -20°C
Solubility Soluble in Chloroform,Dichloromethane,Ethyl Acetate,DMSO,Acetone,etc.
Chemical Name (3S,8aS)-3-[[6-methoxy-2-(3-methylbut-2-enyl)-1H-indol-3-yl]methyl]-2,3,6,7,8,8a-hexahydropyrrolo[1,2-a]pyrazine-1,4-dione
SMILES CC(=CCC1=C(C2=C(N1)C=C(C=C2)OC)CC3C(=O)N4CCCC4C(=O)N3)C
Standard InChIKey XNRPVPHNDQHWLJ-PMACEKPBSA-N
Standard InChI InChI=1S/C22H27N3O3/c1-13(2)6-9-17-16(15-8-7-14(28-3)11-18(15)23-17)12-19-22(27)25-10-4-5-20(25)21(26)24-19/h6-8,11,19-20,23H,4-5,9-10,12H2,1-3H3,(H,24,26)/t19-,20-/m0/s1
General tips For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.Stock solution can be stored below -20℃ for several months.
We recommend that you prepare and use the solution on the same day. However, if the test schedule requires, the stock solutions can be prepared in advance, and the stock solution must be sealed and stored below -20℃. In general, the stock solution can be kept for several months.
Before use, we recommend that you leave the vial at room temperature for at least an hour before opening it.
About Packaging 1. The packaging of the product may be reversed during transportation, cause the high purity compounds to adhere to the neck or cap of the vial.Take the vail out of its packaging and shake gently until the compounds fall to the bottom of the vial.
2. For liquid products, please centrifuge at 500xg to gather the liquid to the bottom of the vial.
3. Try to avoid loss or contamination during the experiment.
Shipping Condition Packaging according to customer requirements(5mg, 10mg, 20mg and more). Ship via FedEx, DHL, UPS, EMS or other couriers with RT, or blue ice upon request.

Source of Tryprostatin A

The Aspergillus fumigatus

Biological Activity of Tryprostatin A

Description1. Tryprostatin A and tryprostatin B are indole alkaloid-based fungal products that inhibit mammalian cell cycle at the G2/M phase. 2. Tryprostatin A is an inhibitor of breast cancer resistance protein.
TargetsTopoisomerase | Antifection

Tryprostatin A Dilution Calculator

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Tryprostatin A Molarity Calculator

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Preparing Stock Solutions of Tryprostatin A

1 mg 5 mg 10 mg 20 mg 25 mg
1 mM 2.6214 mL 13.1072 mL 26.2144 mL 52.4288 mL 65.536 mL
5 mM 0.5243 mL 2.6214 mL 5.2429 mL 10.4858 mL 13.1072 mL
10 mM 0.2621 mL 1.3107 mL 2.6214 mL 5.2429 mL 6.5536 mL
50 mM 0.0524 mL 0.2621 mL 0.5243 mL 1.0486 mL 1.3107 mL
100 mM 0.0262 mL 0.1311 mL 0.2621 mL 0.5243 mL 0.6554 mL
* Note: If you are in the process of experiment, it's necessary to make the dilution ratios of the samples. The dilution data above is only for reference. Normally, it's can get a better solubility within lower of Concentrations.

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References on Tryprostatin A

Reversal of breast cancer resistance protein-mediated drug resistance by tryprostatin A.[Pubmed:14566821]

Int J Cancer. 2003 Dec 10;107(5):721-8.

MDR in human cancers is one of the major causes of failure of chemotherapy. A member of the superfamily of ABC transporters, BCRP, was demonstrated to confer an atypical MDR phenotype to tumor cells. To overcome the BCRP-mediated drug resistance, the fungal secondary metabolite TPS-A, a diketopiperazine, was analyzed with regard to its potency to reverse the BCRP-mediated drug-resistant phenotype. At concentrations of 10-50 microM, TPS-A reversed a mitoxantrone-resistant phenotype and inhibited the cellular BCRP-dependent mitoxantrone accumulation in the human gastric carcinoma cell line EPG85-257RNOV, the human breast cancer cell line MCF7/AdrVp (both exhibiting acquired BCRP-mediated MDR) and the BCRP cDNA-transfected breast cancer cell line MCF-7/BCRP clone 8. No cytotoxicity was seen at effective concentrations. These data indicate that TPS-A is a novel BCRP inhibitor.

Synthesis and structure-activity relationship studies on tryprostatin A, an inhibitor of breast cancer resistance protein.[Pubmed:18321710]

Bioorg Med Chem. 2008 Apr 15;16(8):4626-51.

Tryprostatin A is an inhibitor of breast cancer resistance protein, consequently a series of structure-activity studies on the cell cycle inhibitory effects of Tryprostatin A analogues as potential antitumor antimitotic agents have been carried out. These analogues were assayed for their growth inhibition properties and their ability to perturb the cell cycle in tsFT210 cells. SAR studies resulted in the identification of the essential structural features required for cytotoxic activity. The absolute configuration L-Tyr-L-pro in the diketopiperazine ring along with the presence of the 6-methoxy substituent on the indole moiety of 1 was shown to be essential for dual inhibition of topoisomerase II and tubulin polymerization. Biological evaluation also indicated the presence of the 2-isoprenyl moiety on the indole scaffold of 1 was essential for potent inhibition of cell proliferation. Substitution of the indole N(a)-H in 1 with various alkyl or aryl groups, incorporation of various L-amino acids into the diketopiperazine ring in place of L-proline, and substitution of the 6-methoxy group in 1 with other functionality provided active analogues. The nature of the substituents present on the indole N(a)-H or the indole C-2 position influenced the mechanism of action of these analogues. Analogues 68 (IC(50)=10 microM) and 67 (IC(50)=19 microM) were 7-fold and 3.5-fold more potent, respectively, than 1 (IC(50)=68 microM) in the inhibition of the growth of tsFT210 cells. Diastereomer-2 of tryprostatin B 8 was a potent inhibitor of the growth of three human carcinoma cell lines: H520 (IC(50)=11.9 microM), MCF-7 (IC(50)=17.0 microM) and PC-3 (IC(50)=11.1 microM) and was equipotent with etoposide, a clinically used anticancer agent. Isothiocyanate analogue 71 and 6-azido analogue 72 were as potent as 1 in the tsFT210 cell proliferation and may be useful tools in labeling BCRP.

Engineered Production of Tryprostatins in E. coli through Reconstitution of a Partial ftm Biosynthetic Gene Cluster from Aspergillus sp.[Pubmed:26640821]

Jacobs J Biotechnol Bioeng. 2015 Apr;2(1). Epub 2014 Dec 18.

Tryprostatin A and B are indole alkaloid-based fungal products that inhibit mammalian cell cycle at the G2/M phase. They are biosynthetic intermediates of fumitremorgins produced by a complex pathway involving a nonribosomal peptide synthetase (FtmA), a prenyltransferase (FtmB), a cytochrome P450 hydroxylase (FtmC), an O-methyltransferase (FtmD), and several additional enzymes. A partial fumitremorgin biosynthetic gene cluster (ftmABCD) from Aspergillus sp. was reconstituted in Escherichia coli BL21(DE3) cells, with or without the co-expression of an Sfp-type phosphopantetheinyltransferase gene (Cv_sfp) from Chromobacterium violaceum No. 968. Several recombinant E. coli strains produced tryprostatin B up to 106 mg/l or Tryprostatin A up to 76 mg/l in the fermentation broth under aerobic condition, providing an effective way to prepare those pharmaceutically important natural products biologically.

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