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- 详细信息
- 文献和实验
- 技术资料
- 保存条件:
4℃保存
- 保质期:
6个月
- 英文名:
Dexamethasone
- 库存:
1
- 供应商:
上海信裕
产品描述
Dexamethasone是核转录因子NF-kB的抑制剂,它能有效减少抗原表位分子,协同刺激分子,粘附因子以及IL12的表达,这些因子是未成熟DC细胞分化成成熟DC细胞的标志[1]。Dexamethasone主要作用是干扰炎症因子作用下的细胞分化,将Dexamethasone和SB203580结合使用还能强效抑制LPS诱导引起的IL-10的分泌及STAT3的磷酸化[1,2]。在外科甲状腺切除手术术前给予合适剂量的Dexamethasone能有效减少PONV反应发生几率,这是目前最有效、安全、经济的方法[3]。在兴奋剂诱导的GR结合偏好型Hap-6A SNPs单倍型细胞中,Dexamethasone可影响hAGT基因的表达,在这种单倍型鼠中,引起血压上升,氧化水平提高[4]。Dexamethasone还应用于儿童ALL症,它比PRED治疗效果更好。然而,Dexamethasone也比PRED有更高的毒性,Dexamethasone在短期应用方面是否具有优势,目前还未见报道 [5]。将dexamethasone, TGFbeta-3, 以及BMP-6结合使用能更有效的诱导hASC细胞分化形成软骨细胞。
靶点
| 靶点 | NF-kB |
Dexamethasone化学特性
| Cas No.: 50-02-2 | 分子量: 392.46 |
| 分子式: C22H29FO5 | 纯度: >99% |
| 同义名: Prednisolone F, Dexamethazone, Decadron, Maxidex, Decaspray, Desametasone, DHAP, DEX | |
| 化学名: (8S,9R,10S,11S,13S,14S,16R,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 | |
| 外观: 白色粉末 | |
| 溶解: 溶于DMSO (up to 100 mM) | |
| 保存::3年 -20℃粉状 | |
储存液配制
| 储存液 (1 ml DMSO体系) | 1 mM | 5 mM | 10 mM | 25 mM | 50 mM | 100 mM |
| 质量(mg) | 0.3925 | 1.9623 | 3.9246 | 9.8115 | 19.6230 | 39.2460 |
Dexamethasone结构式
参考文献
[1] Matasić R, et al. Dexamethasone inhibits dendritic cell maturation by redirecting differentiation of a subset of cells. J Leukoc Biol. 66(6):909-14(1999).[2] Meng A, et al. Additive Suppression of LPS-Induced IL-10 and TNF-α by Pre-treatment of Dexamethasone and SB203580 in a Murine Alveolar Macrophage Cell Line (MH-S). Inflammation. 2015 Jan 7.
[3] Tarantino I, et al. Efficacy of a Single Preoperative Dexamethasone Dose to Prevent Nausea and Vomiting After Thyroidectomy (the tPONV Study): A Randomized, Double-Blind, Placebo-Controlled Clinical Trial. Ann Surg. 2015 Jan 5.
[4] Pandey VG, et al. Dexamethasone Promotes Hypertension By Allele-Specific Regulation Of The Human Angiotensinogen Gene. J Biol Chem. 2015 Jan 7.
[5] Teuffel O VG, et al. Dexamethasone versus prednisone for induction therapy in childhood acute lymphoblastic leukemia: a systematic review and meta-analysis. Leukemia. 25(8):1232-8(2011).
[6] Puetzer JL, et al. Comparative review of growth factors for induction of three-dimensional in vitro chondrogenesis in human mesenchymal stem cells isolated from bone marrow and adipose tissue. Tissue Eng Part B Rev. 16(4):435-44(2010).
Dexamethasone
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文献和实验Construction of transgenic plants is central to modern plant molecular genetics. Inducible systems permit spatial and temporal control of transgene expression. One commonly used inducible system relies on the use of dexamethasone to activate
In-Vitro Adipocytes Differentiation
or physiological doses of insulin-like growth factor I. Principle When adipoblasts treated with a combination of dexamethasone, isobutylmethylxanthine (IBMX or MIX) and insulin, cells start to adopt a rounded phenotype and within 5-8 days begin
-078/Lot #1060198)Fetal Bovine Serum (GibcoBRL-Cat# 10437-028/Lot # 1026566)-filter sterilize (0.22um filter) before mixed into DMEMIsobutylmethylxanthine (IBMX; Sigma I-7018)Dexamethasone (Sigma D-4902)Insulin (Bovine; Sigma I-5500)MEM Sodium Pyruvate
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