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                同义名:
                    
                        
                            二丙酸倍氯米松
                            
                             / Beclomethasone dipropionate
                            
                        
                    
                
                
                
                    
                     
                    
                     
                
            
Beclometasone Dipropionate是beclometasone的前药,是一种糖皮质激素激动剂,用于研究鼻炎和鼻窦炎。
 
                                 
                                
                            

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| 描述 | Betamethasone dipropionate, the prodrug of Betamethasone, is an orally active and potent glucocorticoid with anti-inflammatory and immunosuppressive activity. Betamethasone appears to be an effective inhibitor of LPS-induced inflammation and MMP release. When mice were pretreated with betamethasone (5 mg/kg, po), MMP2 and MMP9 activities, TNF-alpha in BAL fluids, and the enhanced neutrophil number of LPS-exposed mice were reduced, whereas the level of IL-10 was increased[3]. Oral BDP (Beclometasone Dipropionate) gave an overall treatment result in patients with active ulcerative colitis without signs of systemic side-effects[4]. Sustained clinical and histological remission was induced with the topical steroid preparation, beclometasone dipropionate (Clipper), with no adverse effects[5]. Beclometasone dipropionate (BDP) is a topically active corticosteroid with low absorption into the systemic circulation, which minimises many of the deleterious side effects associated with systemic corticosteroids[6]. | 
| Concentration | Treated Time | Description | References | |
| BEAS2B bronchial epithelial cells | 0.1-1,000 nM | 24 h | To assess the effects of BDP on bacterial burden and the antimicrobial peptide hCAP-18/LL-37, results showed BDP only increased bacterial loads and suppressed hCAP-18/LL-37 induction at the highest concentration (1,000 nM). | Chest. 2020 Sep;158(3):947-951. | 
| BEAS2B bronchial epithelial cells | 0.1-1,000 nM | 1 hour | To evaluate the anti-inflammatory effects of BDP during bacterial infection, results showed BDP significantly suppressed induction of IL-6 and CXCL8/IL-8 at 10 nM or higher concentrations, but the effects were weaker than FP and budesonide. | Chest. 2020 Sep;158(3):947-951. | 
| fast-twitch fibre bundles | 250 nM | 10 min | To investigate the rapid/non-genomic effects of BDP on maximum isometric force in fast-twitch muscle fibre bundles, results showed that 250 nM BDP did not significantly affect maximum isometric force. | J Physiol. 2013 Oct 15;591(20):5171-85. | 
| slow-twitch fibre bundles | 250 nM | 10 min | To investigate the rapid/non-genomic effects of BDP on maximum isometric force in slow-twitch muscle fibre bundles, results showed that 250 nM BDP significantly increased maximum isometric force within 10 min. | J Physiol. 2013 Oct 15;591(20):5171-85. | 
| Hep-2 cells | 1 and 5 μM | 72 h | Evaluate the effect of Beclomethasone on Chlamydophila pneumoniae infection. Results showed that Beclomethasone significantly reduced the number of infected cells at concentrations of 1 and 5 μM. | Antimicrob Agents Chemother. 2004 Dec;48(12):4878-81 | 
| Administration | Dosage | Frequency | Description | References | ||
| BALB/c mice | Chlamydophila pneumoniae infection model | Subcutaneous injection | 120 μg/kg/day | Once a day for 4 consecutive days | Evaluate the therapeutic effect of Beclomethasone combined with antibiotics on Chlamydophila pneumoniae infection. Results showed that the combination treatment significantly reduced the number of infected cells. | Antimicrob Agents Chemother. 2004 Dec;48(12):4878-81 | 
| C57BL/6 mice | Streptococcus pneumoniae infection model | Intranasal administration | 20 µg | Single dose | To evaluate the effects of BDP on inflammation and antibacterial immunity in vivo, results showed FP and budesonide significantly suppressed IL-6, tumor necrosis factor, IL-1β, and CXCL2/MIP-2, and reduced neutrophil recruitment, while BDP had weaker effects. Additionally, FP and budesonide increased lung bacterial loads and suppressed induction of the antimicrobial peptide CRAMP, whereas BDP had no significant effects. | Chest. 2020 Sep;158(3):947-951. | 
| NCT号 | 适应症或疾病 | 临床期 | 招募状态 | 预计完成时间 | 地点 | 
| NCT00854360 | Seasonal Allergic Rhinitis ... 展开 >> Hayfever 收起 << | Phase 2 | Completed | - | - | 
| NCT00854360 | - | Completed | - | - | |
| NCT01345916 | Asthma | Phase 3 | Completed | - | Poland ... 展开 >> GSPZOZ Uniwersytecki Szpital Kliniczny Łódź, Poland, 90-153 收起 << | 
| 计算器 | ||||
| 存储液制备 |  | 1mg | 5mg | 10mg | 
| 1 mM 5 mM 10 mM | 1.92mL 0.38mL 0.19mL | 9.60mL 1.92mL 0.96mL | 19.19mL 3.84mL 1.92mL | |
| CAS号 | 5534-09-8 | 
| 分子式 | C28H37ClO7 | 
| 分子量 | 521.04 | 
| SMILES Code | CCC(O[C@]1(C(COC(CC)=O)=O)[C@@H](C)C[C@@]2([H])[C@]3([H])CCC4=CC(C=C[C@]4(C)C3(Cl)[C@@H](O)C[C@]12C)=O)=O | 
| MDL No. | MFCD00135613 | 
| 别名 | 二丙酸倍氯米松 ;Beclomethasone dipropionate | 
| 运输 | 蓝冰 | 
| InChI Key | KUVIULQEHSCUHY-XYWKZLDCSA-N | 
| Pubchem ID | 21700 | 
| 存储条件 | In solvent -20°C: 3-6个月 -80°C: 12个月 Pure form Sealed in dry, 2-8°C | 
| 溶解方案 | DMSO: 105 mg/mL(201.52 mM),注意:DMSO长时间开封后,会吸水并导致溶解能力下降,请避免使用长期开封的DMSO 以下溶解方案都请先按照体外实验的方式配制澄清的储备液,再依次添加助溶剂: ——为保证实验结果的可靠性,澄清的储备液可以根据储存条件,适当保存;体内实验的工作液,建议现用现配,当天使用; 以下溶剂前显示的百分比是指该溶剂在终溶液中的体积占比;如在配制过程中出现沉淀、析出现象,可以通过加热和/或超声的方式助溶 
 
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