PSB 36Potent and selective A1 antagonist CAS# 524944-72-7 |
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Quality Control & MSDS
Number of papers citing our products
Chemical structure
3D structure
| Cas No. | 524944-72-7 | SDF | Download SDF |
| PubChem ID | 11689583 | Appearance | Powder |
| Formula | C21H30N4O3 | M.Wt | 386.49 |
| Type of Compound | N/A | Storage | Desiccate at -20°C |
| Solubility | Soluble to 100 mM in DMSO and to 100 mM in ethanol | ||
| SMILES | CCCCN1C(=O)C2=C(N=C(N2)C34CC5CC(C3)CC4C5)N(C1=O)CCCO | ||
| Standard InChIKey | CIBIXJYFYPFMTN-UHFFFAOYSA-N | ||
| Standard InChI | InChI=1S/C21H30N4O3/c1-2-3-5-25-18(27)16-17(24(20(25)28)6-4-7-26)23-19(22-16)21-11-13-8-14(12-21)10-15(21)9-13/h13-15,26H,2-12H2,1H3,(H,22,23) | ||
| 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 | Potent and selective A1 adenosine receptor antagonist. Displays binding affinities of 0.12, 187, 552, 6500 and 2300 nM for rA1, hA2B, rA2A, rA3 and hA3 receptors respectively. Demonstrates greater selectivity than DPCPX). |
PSB 36 Dilution Calculator
PSB 36 Molarity Calculator
| 1 mg | 5 mg | 10 mg | 20 mg | 25 mg | |
| 1 mM | 2.5874 mL | 12.9369 mL | 25.8739 mL | 51.7478 mL | 64.6847 mL |
| 5 mM | 0.5175 mL | 2.5874 mL | 5.1748 mL | 10.3496 mL | 12.9369 mL |
| 10 mM | 0.2587 mL | 1.2937 mL | 2.5874 mL | 5.1748 mL | 6.4685 mL |
| 50 mM | 0.0517 mL | 0.2587 mL | 0.5175 mL | 1.035 mL | 1.2937 mL |
| 100 mM | 0.0259 mL | 0.1294 mL | 0.2587 mL | 0.5175 mL | 0.6468 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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Adenosine analogues as opposite modulators of the cisplatin resistance of ovarian cancer cells.[Pubmed:30657045]
Anticancer Agents Med Chem. 2019 Jan 17. pii: ACAMC-EPUB-95886.
BACKGROUND: Adenosine released by cancer cells in high amounts in the tumour microenvironment is one of the main immunosuppressive agents responsible for the escape of cancer cells from immunological control. Blocking adenosine receptors with adenosine analogues and restoring immune cell activity is one of the methods considered to increase the effectiveness of anticancer therapy. However, their direct effects on cancer cell biology remain unclear. Here we determined the effect of adenosine analogues on the response of cisplatin-sensitive and cisplatin-resistant ovarian cancer cells to cisplatin treatment. METHODS: The effects of PSB 36, DPCPX, SCH58261, ZM 241385, PSB603 and PSB 36 on cisplatin cytotoxicity were determined against A2780 and A2780cis cell lines. Quantification of the synergism/antagonism of the compounds cytotoxicity was performed and their effects on the cell cycle, apoptosis/necrosis events and cisplatin incorporation in cancer cells were determined. RESULTS: PSB 36, an A1 receptor antagonist, sensitized cisplatin-resistant ovarian cancer cells to cisplatin from low to high micromolar concentrations. In contrast to PSB 36, the A2AR antagonist ZM 241385 had the opposite effect and reduced the influence of cisplatin on cancer cells, increasing their resistance to cisplatin cytotoxicity, decreasing cisplatin uptake, inhibiting cisplatin-induced cell cycle arrest, and partly restoring mitochondrial and plasma membrane potentials that were disturbed by cisplatin. CONCLUSION: Adenosine analogues can modulate considerable sensitivity to cisplatin of ovarian cancer cells resistant to cisplatin. The possible direct beneficial or adverse effects of adenosine analogues on cancer cell biology should be considered in the context of supportive chemotherapy for ovarian cancer.
Antinociceptive effects of novel A2B adenosine receptor antagonists.[Pubmed:14563788]
J Pharmacol Exp Ther. 2004 Jan;308(1):358-66.
Caffeine, an adenosine A1, A2A, and A2B receptor antagonist, is frequently used as an adjuvant analgesic in combination with nonsteroidal anti-inflammatory drugs or opioids. In this study, we have examined the effects of novel specific adenosine receptor antagonists in an acute animal model of nociception. Several A2B-selective compounds showed antinociceptive effects in the hot-plate test. In contrast, A1- and A2A-selective compounds did not alter pain thresholds, and an A3 adenosine receptor antagonist produced thermal hyperalgesia. Evaluation of psychostimulant effects of these compounds in the open field showed only small effects of some antagonists at high doses. Coadministration of low, subeffective doses of A2B-selective antagonists with a low dose of morphine enhanced the efficacy of morphine. Our results indicate that analgesic effects of caffeine are mediated, at least in part, by A2B adenosine receptors.
