Amsacrine hydrochlorideTopoisomerase 2 inhibitor CAS# 54301-15-4 |
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Quality Control & MSDS
3D structure
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| Cas No. | 54301-15-4 | SDF | Download SDF |
| PubChem ID | 148673 | Appearance | Powder |
| Formula | C21H20ClN3O3S | M.Wt | 429.92 |
| Type of Compound | N/A | Storage | Desiccate at -20°C |
| Synonyms | AMSA hydrochloride; m-AMSA hydrochloride; CI-880 hydrochloride; SN-11841 hydrochloride; acridinyl anisidide hydrochloride | ||
| Solubility | DMSO : 62.5 mg/mL (145.38 mM; Need ultrasonic) | ||
| Chemical Name | N-[4-(acridin-9-ylamino)-3-methoxyphenyl]methanesulfonamide;hydrochloride | ||
| SMILES | COC1=C(C=CC(=C1)NS(=O)(=O)C)NC2=C3C=CC=CC3=NC4=CC=CC=C42.Cl | ||
| Standard InChIKey | WDISRLXRMMTXEV-UHFFFAOYSA-N | ||
| Standard InChI | InChI=1S/C21H19N3O3S.ClH/c1-27-20-13-14(24-28(2,25)26)11-12-19(20)23-21-15-7-3-5-9-17(15)22-18-10-6-4-8-16(18)21;/h3-13,24H,1-2H3,(H,22,23);1H | ||
| 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. |
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| 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. |
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| 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. | ||
| Description | Amsacrine is an inhibitor of topoisomerase II, and acts as an antineoplastic agent which can intercalates into the DNA of tumor cells.In Vitro:Amsacrine blocks HERG currents in HEK 293 cells and Xenopus oocytes in a concentration-dependent manner, with IC50 values of 209.4 nM and 2.0 μM, respectively. Amsacrine causes a negative shift in the voltage dependence of both activation (−7.6 mV) and inactivation (−7.6 mV). HERG current block by amsacrine is not frequency dependent[1]. In vitro studies of normal human lymphocytes with various concentrations of m-AMSA, show both increased levels of chromosomal aberrations, ranging from 8% to 100%, and increase SCEs, ranging from 1.5 times the normal at the lowest concentration studied (0.005 μg/mL) to 12 times the normal (0.25 μg/mL)[3]. Amsacrine-induced apoptosis of U937 cells is characterized by caspase-9 and caspase-3 activation, increased intracellular Ca2+ concentration, mitochondrial depolarization, and MCL1 down-regulation. Amsacrine induces MCL1 down-regulation by decreasing its stability. Further, amsacrine-treated U937 cells show AKT degradation and Ca2+-mediated ERK inactivation[4].In Vivo:In animals treated with different doses of amsacrine (0.5-12 mg/kg), the frequencies of micronucleated polychromatic erythrocytes increase significantly after treatment with 9 and 12 mg/kg. Furthermore, the present study demonstrates for the first time that amsacrine has high incidences of clastogenicity and low incidences of aneugenicity whereas nocodazole has high incidences of aneugenicity and low incidences of clastogenicity during mitotic phases in vivo[2]. References: | |||||
Amsacrine hydrochloride Dilution Calculator
Amsacrine hydrochloride Molarity Calculator
| 1 mg | 5 mg | 10 mg | 20 mg | 25 mg | |
| 1 mM | 2.326 mL | 11.6301 mL | 23.2601 mL | 46.5203 mL | 58.1504 mL |
| 5 mM | 0.4652 mL | 2.326 mL | 4.652 mL | 9.3041 mL | 11.6301 mL |
| 10 mM | 0.2326 mL | 1.163 mL | 2.326 mL | 4.652 mL | 5.815 mL |
| 50 mM | 0.0465 mL | 0.2326 mL | 0.4652 mL | 0.9304 mL | 1.163 mL |
| 100 mM | 0.0233 mL | 0.1163 mL | 0.2326 mL | 0.4652 mL | 0.5815 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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Amsacrine hydrochloride (Amsidine, m-AMSA) is an inhibitor of topoisomerase 2 [1].
Amsacrine hydrochloride is a chemotherapy drug of antineoplastic, used to treat some types of lymphoma and acute leukaemia. In addition, Amsacrine hydrochloride has shown the sensitivities to the cancer cell lines with the IC50 values of 190.2±27.4ng/ml, 46.1±3.9ng/ml,22.6±3.1ng/ml, 11.8±2.0ng/ml, 5.0±0.4ng/ml, and 11.7±1.5ng/ml for three bladder cancer cell lines (HT1376,RT112, RT4) and three testis cancer cell lines(833K, Susa, GH), respectively. And it has been found that the testis tumor cell lines are more sensitive to inhibiting by Amsacrine hydrochloride than the bladder cell lines [1].
References:
[1] Nelson EM, Tewey KM, Liu LF. Mechanism of antitumor drug action: poisoning of mammalian DNA topoisomerase II on DNA by 4'-(9-acridinylamino)-methanesulfon-m-anisidide. Proc Natl Acad Sci U S A. 1984 Mar;81(5):1361-5.
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Cellular responses to methyl-N-[4-9-acridinylamino)-2-methoxyphenyl] carbamate hydrochloride, an analogue of amsacrine active against non-proliferating cells.[Pubmed:9389932]
Eur J Cancer. 1997 Sep;33(10):1668-76.
The acridine derivative m-AMCA (methyl-N-[4-(9-acridinylamino)-2-methoxyphenyl]carbamate hydrochloride), a carbamate analogue of the topoisomerase II poison amsacrine, is distinguished by its high cytotoxicity against non-cycling tumour cells. We compared the response of cultured Lewis lung carcinoma cells to m-AMCA, amsacrine and the topoisomerase I poison camptothecin. The DNA polymerase inhibitor aphidicolin reversed the cytotoxicity of camptothecin fully, that of amsacrine partially, and that of m-AMCA minimally. The ability of m-AMCA to induce the enzyme poly(ADP-ribose)polymerase (PARP) was markedly lower than that of camptothecin or amsacrine. Cell cycle responses to m-AMCA and amsacrine were similar, with slowing of progress through S-phase and arrest in G2-phase. These cell cycle changes were also observed when plateau phase cultures were exposed to drug for 1 h, washed free of drug and cultured in fresh medium, with m-AMCA having a more pronounced effect than amsacrine and camptothecin having no effect. We also examined the role of p53 protein in the response using cultured human H460 cells. Both m-AMCA and amsacrine induced p53 protein expression in proliferating but not in non-proliferating H460 cells, and induced p21WAF1 regardless of proliferation status. Both induced G1-phase cell cycle arrest. It is suggested that two cytotoxicity mechanisms can be distinguished using these drugs. The first is specific for S-phase cells, is reversed by aphidicolin and induces PARP activity. The second is cell cycle non-specific, does not induce PARP and is unaffected by aphidicolin. Camptothecin activates only the first, m-AMCA primarily the second and amsacrine activates both.
Nucleic acid binding drugs--XIV. The crystal structure of 1-methyl amsacrine hydrochloride; relationships to DNA-binding ability and anti-tumour activity.[Pubmed:3778515]
Biochem Pharmacol. 1986 Nov 15;35(22):3915-21.
The crystal structure of the 1-methyl derivative of the anticancer drug amsacrine [4'-(acridin-9-ylamino)-3'-methoxy-methanesulphonanilide+ ++] as its hydrochloride salt has been determined. The compound crystallizes in the monoclinic space group P21/n with cell dimensions a = 15.302(3), b = 8.035(2), c = 18.258(4) A and beta = 102.68(2) degrees, and has been refined to a final R of 0.055. The acridine chromophore is significantly non-planar, with a butterfly conformation about the C(9)-N(11) bond. The bonding geometry about the C(9) atom has been significantly altered compared to non-distorted amsacrine structures, as a result of this non-planarity. Energy calculations have been used to examine the flexibility of the molecule with respect to rotations about the C(9)-N(11) and N(11)-C(12) bonds, and with respect to intercalation into a dinucleoside duplex model for DNA. The latter calculations have been compared with solution DNA-binding and in vitro activity data for 1-methyl-Amsacrine hydrochloride. The molecular modelling studies find that the energy of interaction between 1-methyl-amsacrine and a DNA intercalation fragment is significantly higher than for amsacrine itself, in accord with the biological data.
