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Voreloxin Hydrochloride

Antineoplastic naphthyridine analogue CAS# 175519-16-1

Voreloxin Hydrochloride

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Chemical structure

Voreloxin Hydrochloride

3D structure

Chemical Properties of Voreloxin Hydrochloride

Cas No. 175519-16-1 SDF Download SDF
PubChem ID 10343042 Appearance Powder
Formula C18H20ClN5O4S M.Wt 437.9
Type of Compound N/A Storage Desiccate at -20°C
Synonyms SNS-595 Hydrochloride; Vosaroxin Hydrochloride; AG 7352 Hydrochloride
Solubility DMSO : 2 mg/mL (4.57 mM; ultrasonic and warming and heat to 60°C)
Chemical Name 7-[(3S,4S)-3-methoxy-4-(methylamino)pyrrolidin-1-yl]-4-oxo-1-(1,3-thiazol-2-yl)-1,8-naphthyridine-3-carboxylic acid;hydrochloride
SMILES CNC1CN(CC1OC)C2=NC3=C(C=C2)C(=O)C(=CN3C4=NC=CS4)C(=O)O.Cl
Standard InChIKey JJZCCQHWCOXGCL-QNTKWALQSA-N
Standard InChI InChI=1S/C18H19N5O4S.ClH/c1-19-12-8-22(9-13(12)27-2)14-4-3-10-15(24)11(17(25)26)7-23(16(10)21-14)18-20-5-6-28-18;/h3-7,12-13,19H,8-9H2,1-2H3,(H,25,26);1H/t12-,13-;/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.

Biological Activity of Voreloxin Hydrochloride

DescriptionVoreloxin Hydrochloride is a first-in-class topoisomerase II inhibitor that intercalates DNA and induces site-selective DNA DSB, G2 arrest, and apoptosis.In Vitro:Voreloxin Hydrochloride is a first-in-class topoisomerase II poison and inhibitor that intercalates DNA and induces site-selective DNA DSB, G2 arrest, and apoptosis. Voreloxin (0.1-20 µM) inhibits topoisomerase II activity and induces site-selective DNA DSB in CCRF-CEM cells. Voreloxin (0.11, 0.33, 1, 3 µM) induces G2 arrest partially through topoisomerase II in A549 lung cancer cell line. Voreloxin cytotoxic activity requires DNA intercalation. However, Voreloxin (1-9 µM) does not generate significant levels of ROS[1]. Voreloxin has potent cytotoxic activity in AML cell lines MV4-11 and HL-60, with IC50s of 95 ± 8 nM and 884 ± 114 nM, respectively. Voreloxin in combination with cytarabine shows additive or synergistic activity in acute leukemia cell lines[2]. Voreloxin is active on the primary acute myeloid leukemia (AML) with a mean LD50 of 2.3 μM. The LD50 for voreloxin in myeloid cell lines NB4 and HL-60 is 0.59 μM ± 0.25 μM. Voreloxin causes accumulation of cells in the S and G2 phases of the cell cycle and acts on topoisomerase II[3].In Vivo:Voreloxin (20 mg/kg, i.v.) alone results in 80% reduction in bone marrow cellularity of CD-1 mice by administration one dose every 4 days repeated twice (q4d ×2). voreloxin at 10 mg/kg in combination with cytarabine causes ablation of the marrow, dilation of sinusoids, and infiltration of adipocytes in mice. Voreloxin (20 mg/kg, i.v.) combined with cytarabine causes a reversible decrease in myeloid and lymphoid cells in bone marrow and peripheral blood CD-1 mice. voreloxin (10 mg/kg, q4d ×2) and cytarabine in combination causes reversible neutropenia with a more modest impact on platelets CD-1 mice[2].

References:
[1]. Hotinski AK, et al. Vosaroxin is a novel topoisomerase-II inhibitor with efficacy in relapsed and refractory acute myeloid leukaemia. Expert Opin Pharmacother. 2015 Jun;16(9):1395-402. [2]. Scatena CD, et al. Voreloxin, a first-in-class anticancer quinolone derivative, acts synergistically with cytarabine in vitro and induces bone marrow aplasia in vivo. Cancer Chemother Pharmacol. 2010 Oct;66(5):881-8. [3]. Walsby EJ, et al. The topoisomerase II inhibitor voreloxin causes cell cycle arrest and apoptosis in myeloid leukemia cells and acts in synergy with cytarabine. Haematologica. 2011 Mar;96(3):393-9.

Protocol

Cell Assay [3]
In vitro toxicity assays are performed on primary AML mononuclear cells over a 48 h period using a MTS cell proliferation assay. Lethal doses (LD50) are calculated. Cells are treated with voreloxin (31.25 nM to 4 μM) and Ara-C (62.5 nM to 8 μM) by serial dilution and incubated for 48 h in a final volume of 90 μL. Following the incubation, 20 μL of MTS reagent are added and the reaction is incubated for a further 4 h. The absorbance of the reaction after this time is read by spectrophotometry at 490 nm and the percentage of viable cells calculated relative to untreated control cells in the same assay. IC50 values are calculated using Calcusyn software[3].

Animal Administration [2]
Animals are weighed, randomized by body weight, and assigned to the study groups before initiation of treatment. Voreloxin is administered intravenously (IV) at 10 or 20 mg/kg once on day zero and once on day four (q4d ×2). Cytarabine is administered subcutaneously (SC) at 20 or 60 mg/kg every 8 h on day zero and day four (tid q4d ×2). Tissues and blood are sampled on days 6, 8, and 12 from at least three and not greater than ten animals per treatment group. Femurs are placed in Streck Tissue Fixative solution, or in 10% formalin solution for 24-48 h followed by a 70% dehydrant (ethanol, isopropanol, methanol). Femurs are decalcified, paraffin embedded, and sectioned at Biopathology Labs. The four micron sections are stained with hematoxylin-eosin (H&E;). H&E; stained femurs are examined and percent cellularity of the bone marrow is determined. Digital photographs of representative femur sections are taken on a Leica DM2000 microscope using Image-Pro Plus v6.1 software[2].

References:
[1]. Hotinski AK, et al. Vosaroxin is a novel topoisomerase-II inhibitor with efficacy in relapsed and refractory acute myeloid leukaemia. Expert Opin Pharmacother. 2015 Jun;16(9):1395-402. [2]. Scatena CD, et al. Voreloxin, a first-in-class anticancer quinolone derivative, acts synergistically with cytarabine in vitro and induces bone marrow aplasia in vivo. Cancer Chemother Pharmacol. 2010 Oct;66(5):881-8. [3]. Walsby EJ, et al. The topoisomerase II inhibitor voreloxin causes cell cycle arrest and apoptosis in myeloid leukemia cells and acts in synergy with cytarabine. Haematologica. 2011 Mar;96(3):393-9.

Voreloxin Hydrochloride Dilution Calculator

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Voreloxin Hydrochloride Molarity Calculator

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Preparing Stock Solutions of Voreloxin Hydrochloride

1 mg 5 mg 10 mg 20 mg 25 mg
1 mM 2.2836 mL 11.4181 mL 22.8363 mL 45.6725 mL 57.0907 mL
5 mM 0.4567 mL 2.2836 mL 4.5673 mL 9.1345 mL 11.4181 mL
10 mM 0.2284 mL 1.1418 mL 2.2836 mL 4.5673 mL 5.7091 mL
50 mM 0.0457 mL 0.2284 mL 0.4567 mL 0.9135 mL 1.1418 mL
100 mM 0.0228 mL 0.1142 mL 0.2284 mL 0.4567 mL 0.5709 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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Background on Voreloxin Hydrochloride

Voreloxin is a small molecule and a naphthyridine analogue with antineoplastic activity. Vosaroxin intercalates into DNA in a site-specific manner and blocks the re-ligation process carried out by topoisomerase II during DNA replication. As a result, inhibition of DNA replication, RNA and protein synthesis occurs, followed by cell cycle arrest at G2 phase and induced p53-independent apoptosis. This agent shows a favorable toxicity profile in several aspects: it does not generate reactive oxygen species, as do anthracyclines, reducing the risk of cardiotoxicity; it is not a P-glycoprotein (P-gp) substrate, and thereby evades the common mechanism for multidrug resistance; and it has limited distribution to normal tissues and a more chemically stable molecular structure.

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References on Voreloxin Hydrochloride

Gateways to clinical trials.[Pubmed:20383346]

Methods Find Exp Clin Pharmacol. 2010 Jan-Feb;32(1):47-86.

(-)-Epigallocatechin gallate, Abafungin, ACE-031, Adapalene/benzoyl peroxide, AE-37, Aflibercept, AGS-003, Albiglutide, Alemtuzumab, Aliskiren fumarate, ALT-801, AN-2728, Anacetrapib, API, Aprepitant, ARQ-197, Ascorbic acid, Atazanavir sulfate, ATN-224, AVI-4658, Azacitidine, Azelnidipine; Belinostat, Bevacizumab, BI-2536, Biphasic insulin aspart, Bortezomib, Bovine lactoferrin, Bryostatin 1, Budesonide/formoterol fumarate; cAC10, Canfosfamide hydrochloride, Cediranib, Clofarabine, Cocaine conjugate vaccine; Darbepoetin alfa, Dasatinib, Denosumab, Disomotide, Doripenem, Dovitinib Lactate, Dronedarone hydrochloride, Drospirenone/estradiol, Dutasteride; Ecogramostim, Entinostat, Enzastaurin hydrochloride, Erlotinib hydrochloride, Everolimus, Exenatide, Ezetimibe, Ezetimibe/simvastatin; Fampridine, Fenretinide LXS, FFR-factor VIIa, Fingolimod hydrochloride, Frovatriptan; Gefitinib, Gimatecan, GP-2/GM-CSF; Iloperidone, Imatinib mesylate, Indibulin, Ipilimumab, Ivabradine hydrochloride; Lactobacillus rhamnosus, Lapatinib ditosylate, LC-07, Lenalidomide, Linifanib, Liposomal doxorubicin, Liposomal vincristine, Litenimod, Lutein; M-118, MDX-1401, MEDI-528, Midostaurin, Miglustat, MK-0657; Natalizumab, Nesiritide, NGR-TNF, Niacin/simvastatin; Obatoclax mesylate, Olaparib, Omacetaxine mepesuccinate; Paclitaxel nanoparticles, Paclitaxel-eluting stent, Palonosetron hydrochloride, Pazopanib hydrochloride, Pegfilgrastim, Pemetrexed disodium, PER.C-flu, Perifosine, PF-02341066, Pimecrolimus, Pitrakinra, Plerixafor hydrochloride, Posaconazole; Rasburicase, Recombinant human relaxin H2, ReoT3D, Retaspimycin hydrochloride, Riferminogene pecaplasmid, Rindopepimut, Romiplostim, Ronacaleret hydrochloride, Rosuvastatin calcium, Rotigotine; Sagopilone, sALP-FcD10, SAR-245409, SCH-697243, Selumetinib, Sirolimus-eluting stent, SIR-Spheres, Sitagliptin phosphate monohydrate, Sitaxentan sodium, Sorafenib, Sunitinib malate; Tadalafil, Tandutinib, Tasimelteon, Temsirolimus, Teriparatide, Tiotropium bromide, TIV, Trabectedin, Tremelimumab, TRU-016; Vadimezan, Val8-GLP-1(7-37)OH, Vandetanib, Vernakalant hydrochloride, Voreloxin, Voriconazole, Vorinostat, Yttrium 90 (90Y) ibritumomab tiuxetan; Zeaxanthin, Ziprasidone hydrochloride, Zosuquidar trihydrochloride.

Gateways to clinical trials.[Pubmed:21069103]

Methods Find Exp Clin Pharmacol. 2010 Sep;32(7):517-48.

Aclidinium bromide, AE-37, Alemtuzumab, AMA1-C1/ISA 720, Amlodipine besylate/atorvastatin calcium, Arachidonic acid, Arbaclofen placarbil, Aripiprazole, ARQ-621, Azelnidipine, Azilsartan medoxomil potassium; Bevacizumab, Biphasic insulin aspart, Bortezomib; Choriogonadotropin alfa, CTS-1027; Dapagliflozin, Dasatinib, Deforolimus, Degarelix acetate, Denufosol tetrasodium, Desvenlafaxine succinate, Dronedarone hydrochloride, Duloxetine hydrochloride, Dutasteride; Enfuvirtide, Entecavir, Etaracizumab, Everolimus, Exenatide, Ezetimibe; Ferric carboxymaltose, Fludarabine, Foretinib; Gefitinib, GFT-505, GSK-256066; HPV-6/11/16/18, HuM195/rGel, HyperAcute-Lung cancer vaccine; I5NP, Imatinib mesylate, Imexon, Insulin detemir, Insulin glargine, Ivabradine hydrochloride; L2G7, Lacosamide, Lapatinib ditosylate, Lenalidomide, Lidocaine/prilocaine, Liposomal vincristine, Liraglutide, Lixivaptan; Meningococcal (groups A, C, Y and W-135) oligosaccharide diphtheria CRM197 conjugate vaccine, Methoxy polyethylene glycol-epoetin-beta, Mirabegron, Morphine/oxycodone, MR Vaccine, MSC-1936369B, Mycophenolic acid sodium salt; Narlaprevir, N-Desmethylclozapine; Ocriplasmin, Olaparib, Olmesartan medoxomil, Olmesartan medoxomil/azelnidipine, ONO-5334, ONO-8539; Palifermin, Panitumumab, Pardoprunox hydrochloride, PCV7, Peginterferon alfa-2a, Peginterferon alfa-2b, Pemetrexed disodium, Pexelizumab, PF-337210, Pitavastatin calcium; Raltegravir potassium, Recombinant interleukin-7, Regadenoson, Reniale, Roflumilast, Rosuvastatin calcium; Safinamide mesilate, SB-1518, SCH-527123, Selumetinib, Sipuleucel-T, Solifenacin succinate, Sorafenib, Sunitinib malate; Tadalafil, Talaporfin sodium, Tanespimycin, Technosphere/Insulin, Telaprevir, Telatinib, Telcagepant, Telmisartan/hydrochlorothiazide, Teriparatide, Testosterone transdermal gel, TH-302, Tiotropium bromide, Tocilizumab, Trabedersen, Tremelimumab; Valsartan/amlodipine besylate, Vernakalant hydrochloride, Visilizumab, Voreloxin, Vorinostat.

Description

Voreloxin Hydrochloride is a first-in-class topoisomerase II inhibitor that intercalates DNA and induces site-selective DNA DSB, G2 arrest, and apoptosis.

Keywords:

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