Dofequidar fumarateMDR reversal agent CAS# 153653-30-6 |
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Quality Control & MSDS
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| Cas No. | 153653-30-6 | SDF | Download SDF |
| PubChem ID | 9960287 | Appearance | Powder |
| Formula | C34H35N3O7 | M.Wt | 597.66 |
| Type of Compound | N/A | Storage | Desiccate at -20°C |
| Synonyms | MS-209 | ||
| Solubility | DMSO : ≥ 56 mg/mL (93.70 mM) *"≥" means soluble, but saturation unknown. | ||
| Chemical Name | (E)-but-2-enedioic acid;1-[4-(2-hydroxy-3-quinolin-5-yloxypropyl)piperazin-1-yl]-2,2-diphenylethanone | ||
| SMILES | C1CN(CCN1CC(COC2=CC=CC3=C2C=CC=N3)O)C(=O)C(C4=CC=CC=C4)C5=CC=CC=C5.C(=CC(=O)O)C(=O)O | ||
| Standard InChIKey | QIAVTDQTRFYXSD-WLHGVMLRSA-N | ||
| Standard InChI | InChI=1S/C30H31N3O3.C4H4O4/c34-25(22-36-28-15-7-14-27-26(28)13-8-16-31-27)21-32-17-19-33(20-18-32)30(35)29(23-9-3-1-4-10-23)24-11-5-2-6-12-24;5-3(6)1-2-4(7)8/h1-16,25,29,34H,17-22H2;1-2H,(H,5,6)(H,7,8)/b;2-1+ | ||
| 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 | Dofequidar fumarate(MS-209 fumarate), an orally active quinoline compound, has been reported to overcome MDR by inhibiting ABCB1/P-gp, ABCC1/MDR-associated protein 1, or both.
IC50 value:
Target: P-gp
in vitro: MS-209 at 3 microM effectively overcame docetaxel resistance in MDR cancer cells, and this concentration was achieved in blood plasma for > 7 h without serious toxicity [1]. MS-209 restored chemosensitivity of SBC-3 / ADM cells to VP-16, ADM, and VCR in a dose-dependent manner in vitro [2]. dofequidar inhibits the efflux of chemotherapeutic drugs and increases the sensitivity to anticancer drugs in CSC-like side population (SP) cells isolated from various cancer cell lines. Dofequidar treatment greatly reduced the cell number in the SP fraction [3]. In 4-1St cells, which are extremely resistant to ADM and VCR, MS-209 at a concentration of 3 microM enhanced the cytotoxicity of ADM and VCR, 88- and 350-fold, respectively [4].
in vivo: Treatment with docetaxel alone at the maximal tolerated dose (MTD) showed an apparent antitumor activity to an intrinsically resistant HCT-15 tumor xenograft, and MS-209 additionally potentiated the antitumor activity of docetaxel. Against a MCF-7/ADM tumor xenograft expressing larger amounts of P-gp, docetaxel alone at the MTD showed no antitumor activity, whereas the MTD of docetaxel combined with MS-209 greatly reduced MCF-7/ADM tumor growth [1]. Intravenous injection with SBC-3 or SBC-3 / ADM cells produced metastatic colonies in the liver, kidneys and lymph nodes in natural killer (NK) cell-depleted severe combined immunodeficiency (SCID) mice, though SBC-3 / ADM cells more rapidly produced metastases than did SBC-3 cells. Treatment with VP-16 and ADM reduced metastasis formation by SBC-3 cells, whereas the same treatment did not affect metastasis by SBC-3 / ADM cells. Although MS-209 alone had no effect on metastasis by SBC-3 or SBC-3 / ADM cells, combined use of MS-209 with VP-16 or ADM resulted in marked inhibition of metastasis formation by SBC-3 / ADM cells to multiple organs [2]. References: | |||||
Dofequidar fumarate Dilution Calculator
Dofequidar fumarate Molarity Calculator
| 1 mg | 5 mg | 10 mg | 20 mg | 25 mg | |
| 1 mM | 1.6732 mL | 8.366 mL | 16.7319 mL | 33.4638 mL | 41.8298 mL |
| 5 mM | 0.3346 mL | 1.6732 mL | 3.3464 mL | 6.6928 mL | 8.366 mL |
| 10 mM | 0.1673 mL | 0.8366 mL | 1.6732 mL | 3.3464 mL | 4.183 mL |
| 50 mM | 0.0335 mL | 0.1673 mL | 0.3346 mL | 0.6693 mL | 0.8366 mL |
| 100 mM | 0.0167 mL | 0.0837 mL | 0.1673 mL | 0.3346 mL | 0.4183 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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Dofequidar fumarate is a multidrug-resistant (MDR) - reversal agent [1].
Dofequidar fumarate is a quinoline derivative and has highly potent reversing effect on multidrug-resistant tumor cells. It prevents the transport of antitumor drugs through interacting with the drug-efflux pump P-glycoprotein directly and thereby reverses MDR. In vincristine (VCR)-resistant P388/VCR cells and Adriamycin (ADM)- resistant P388/ADM cells, dofequidar fumarate at 1μM and 3μM can completely reverse the drug resistance. It also shows significant effects on the MDR K562 cells. Furthermore, in mice model bearing HCT-15 xenografts, combination therapy of dofequidar fumarate and docetaxel induces remarkable tumor growth inhibition. Dofequidar fumarate also shows significant reversing effect in MCF-7/ADM-bearing mice [1, 2].
References:
[1] Sato W, Fukazawa N, Nakanishi O, et al. Reversal of multidrug resistance by a novel quinoline derivative, MS-209. Cancer chemotherapy and pharmacology, 1995, 35(4): 271-277.
[2] Naito M, Matsuba Y, Sato S, et al. MS-209, a quinoline-type reversal agent, potentiates antitumor efficacy of docetaxel in multidrug-resistant solid tumor xenograft models. Clinical cancer research, 2002, 8(2): 582-588.
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Dofequidar fumarate sensitizes cancer stem-like side population cells to chemotherapeutic drugs by inhibiting ABCG2/BCRP-mediated drug export.[Pubmed:19673889]
Cancer Sci. 2009 Nov;100(11):2060-8.
The ATP-binding cassette (ABC) transporters (ABC-T) actively efflux structurally and mechanistically unrelated anticancer drugs from cells. As a consequence, they can confer multidrug resistance (MDR) to cancer cells. ABC-T are also reported to be phenotypic markers and functional regulators of cancer stem/initiating cells (CSC) and believed to be associated with tumor initiation, progression, and relapse. Dofequidar fumarate, an orally active quinoline compound, has been reported to overcome MDR by inhibiting ABCB1/P-gp, ABCC1/MDR-associated protein 1, or both. Phase III clinical trials suggested that dofequidar had efficacy in patients who had not received prior therapy. Here we show that dofequidar inhibits the efflux of chemotherapeutic drugs and increases the sensitivity to anticancer drugs in CSC-like side population (SP) cells isolated from various cancer cell lines. Dofequidar treatment greatly reduced the cell number in the SP fraction. Estimation of ABC-T expression revealed that ABCG2/breast cancer resistance protein (BCRP) mRNA level, but not the ABCB1/P-gp or ABCC1/MDR-associated protein 1 mRNA level, in all the tested SP cells was higher than that in non-SP cells. The in vitro vesicle transporter assay clarified that dofequidar had the ability to suppress ABCG2/BCRP function. Dofequidar treatment sensitized SP cells to anticancer agents in vitro. We compared the antitumor efficacy of irinotecan (CPT-11) alone with that of CPT-11 plus dofequidar in xenografted SP cells. Although xenografted SP tumors showed resistance to CPT-11, treatment with CPT-11 plus dofequidar greatly reduced the SP-derived tumor growth in vivo. Our results suggest the possibility of selective eradication of CSC by inhibiting ABCG2/BCRP.
Dofequidar fumarate (MS-209) in combination with cyclophosphamide, doxorubicin, and fluorouracil for patients with advanced or recurrent breast cancer.[Pubmed:17179098]
J Clin Oncol. 2007 Feb 1;25(4):411-7.
PURPOSE: To evaluate the efficacy and tolerability of dofequidar plus cyclophosphamide, doxorubicin, and fluorouracil (CAF) therapy in comparison with CAF alone, in patients with advanced or recurrent breast cancer. Dofequidar is a novel, orally active quinoline derivative that reverses multidrug resistance. PATIENTS AND METHODS: In this randomized, double-blind, placebo-controlled trial, patients were treated with six cycles of CAF therapy: 28 days/cycle, with doxorubicin (25 mg/m2) and fluorouracil (500 mg/m2) administered on days 1 and 8 and cyclophosphamide (100 mg orally [PO]) administered on day 1 through 14. Patients received dofequidar (900 mg PO) 30 minutes before each dose of doxorubicin. Primary end point was overall response rate (ORR; partial or complete response). In total, 221 patients were assessable. RESULTS: ORR was 42.6% for CAF compared with 53.1% for dofequidar + CAF, a 24.6% relative improvement and 10.5% absolute increase (P = .077). There was a trend for prolonged progression-free survival (PFS; median 241 days for CAF v 366 days for dofequidar + CAF; P = .145). In retrospectively defined subgroups, significant improvement in PFS in favor of dofequidar was observed in patients who were premenopausal, had no prior therapy, and were stage IV at diagnosis with an intact primary tumor. Except for neutropenia and leukopenia, there was no statistically significant excess of grade 3/4 adverse events compared with CAF. Treatment with dofequidar did not affect the plasma concentration of doxorubicin. CONCLUSION: Dofequidar + CAF was well tolerated and is suggested to have efficacy in patients who had not received prior therapy.
