| BetamethasoneGlucocorticoid receptor agonist |
Sample solution is provided at 25 µL, 10mM.
Nature.2017 Jan 19;541(7637):417-420.
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Science.2016 Aug 5;353(6299)594-8Nat Nanotechnol.2017 Dec;12(12):1190-1198.Nature Biotechnology.2017 Jun;35(6):569-576Nat Med.2018 Sep 17.Cell.2018 Dec 21. pii: S0092-8674(18)31561-7.Cell.Available online 25 October 2018.Cell.2018 Sep 27. pii: S0092-8674(18)31183-8.Cell.2018 Jun 28;174(1):172-186.e21.Cell.2018 Feb 22;172(5):1007-1021.e17.Cell.2017 Nov 30;171(6):1284-1300.e21.Cell.2017 Aug 17. pii: S0092-8674(17)30869-3.Cell.2017 Jul 13;170(2):312-323Nat Med.2018 Jan 29.Nat Med.2017 Nov;23(11):1342-1351.Cell.2017 Apr 6;169(2):286-300.Cell.2015 Aug 27;162(5):987-1002.Cell.2015 Feb 12;160(4):729-44.Nature Medicine.2017 Apr;23(4):493-500.Cancer Cell.2018 May 14;33(5):905-921.e5.Cancer Cell.2018 Apr 9;33(4):752-769.e8.Cancer Cell.2018 Mar 12;33(3):401-416.e8.Cancer Cell.2017 Aug 14;32(2):253-267.e5.Nat Methods.2018 Jul;15(7):523-526.Cell Stem Cell.2018 May 3;22(5):769-778.e4.Cell Stem Cell.2017 Nov 20. pii: S1934-5909(17)30375-2.Quality Control & MSDS
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- Purity = 99.76%
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Chemical structure
| Cell experiment [1]: | |
Cell lines | Human astrocytoma |
Preparation method | The solubility of this compound in DMSO is >19.6 mg/mL. General tips for obtaining a higher concentration: Please warm the tube at 37 ℃ for 10 minutes and/or shake it in the ultrasonic bath for a while. Stock solution can be stored below -20℃ for several months. |
Reacting condition | 10 μg/ml |
Applications | Bexamethasone (1.3-50 μg/ml) decreased cloning efficiency and colony size in cultured human astrocytoma. In MRC5 human diploid fibroblasts, betamethasone (8 μg/ml) increased cloning efficiency by two-fold. Betamethasone (2-16 μg/ml) did not affect colony size. |
| Animal experiment [2,3]: | |
Animal models | Pregnant rabbits, Pregnant ewes |
Dosage form | 0.5 mg/kg |
Application | Pregnant rabbits were injected with either 0.8 mg of betamethasone on days 24 and 25 of gestation and delivered by cesarean section on day 26. Bexamethasone significantly reduced the weight of fetuses and fetal brain, lungs, liver, and placenta. In pregnant ewes, BET (0.5 mg/kg) decreased fetal (121–146 dG) and placental (121 dG) weights. Maternal plasma oPL levels in controls increased across gestation; fetal plasma oPL levels decreased. BNCs were reduced by 24% to 47% after BET. Placental oPL protein levels, maternal and fetal plasma oPL levels were also reduced after BET injections, but recovered to values that were not different to controls near term. BET (0.5 mg/kg) disrupted the normal distribution of BNCs within the placentome. |
Other notes | Please test the solubility of all compounds indoor, and the actual solubility may slightly differ with the theoretical value. This is caused by an experimental system error and it is normal. |
References: [1]. Guner M, Freshney R I, Morgan D, et al. Effects of dexamethasone and betamethasone on in vitro cultures from human astrocytoma[J]. British journal of cancer, 1977, 35(4): 439. [2]. Barrada M I, Blomquist C H, Kotts C. The effects of betamethasone on fetal development in the rabbit[J]. American journal of obstetrics and gynecology, 1980, 136(2): 234-238. [3]. Braun T, Li S, Moss T J M, et al. Maternal betamethasone administration reduces binucleate cell number and placental lactogen in sheep[J]. Journal of Endocrinology, 2007, 194(2): 337-347. | |
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| Cas No. | 378-44-9 | SDF | Download SDF |
| Synonyms | N/A | ||
| Chemical Name | (8S,9R,10S,11S,13S,14S,16S,17R)-9-fluoro-11,17-dihydroxy-17-(2-hydroxyacetyl)-10,13,16-trimethyl-6,7,8,11,12,14,15,16-octahydrocyclopenta[a]phenanthren-3-one | ||
| Canonical SMILES | CC1CC2C3CCC4=CC(=O)C=CC4(C3(C(CC2(C1(C(=O)CO)O)C)O)F)C | ||
| Formula | C22H29FO5 | M.Wt | 392.46 |
| Solubility | ≥19.6mg/mL in DMSO | Storage | Store at -20°C |
| Physical Appearance | A solid | Shipping Condition | Evaluation sample solution : ship with blue ice.All other available size:ship with RT , or blue ice upon request |
| 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. | ||
Betamethasone is a synthetic corticosteroid and agonist of glucocorticoid receptor [1].
Betamethasone has shown the inflammatory response by the betamethasone-receptor complex modulated the activity of certain genes, altering the production and activity of proteins. These proteins include phospholipase A2, cyclooxygenase-2 and NO-synthase. Betamethasone has been reported to inhibit the expression of these enzymes results in reduced production of such inflammatory mediators as prostaglandins, leukotrienes and nitric oxide. In addition betamethasone has also revealed to inhibit keratinocyte proliferation [1].
References:[1] Pharmacology Review(s)-FDA.
http://www.accessdata.fda.gov/drugsatfda_docs/nda/2006/021852s000_PharmR.pdf
