| 规格 | 价格 | 库存 | 数量 |
|---|---|---|---|
| 1mg |
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| 5mg |
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| 100mg | |||
| Other Sizes |
| 靶点 |
In H9c2 rat cardiomyocytes injured by H₂O₂ (0.5 mM), Hederagenin 28-O-beta-D-glucopyranosyl ester (10 μM, 20 μM, 40 μM) exerted dose-dependent protective effects.
1. Cell viability: MTT assay showed that H₂O₂ alone reduced cell viability to 45.2% of the control group; pretreatment with 10 μM, 20 μM, and 40 μM Hederagenin 28-O-beta-D-glucopyranosyl ester increased viability to 58.7%, 71.3%, and 82.3% respectively [1] 2. Oxidative stress markers: DCFH-DA staining revealed that 40 μM Hederagenin 28-O-beta-D-glucopyranosyl ester reduced intracellular reactive oxygen species (ROS) levels by 58.6% compared to the H₂O₂ group. It also decreased malondialdehyde (MDA, a lipid peroxidation product) content by 42.1% (40 μM dose) and increased the activities of superoxide dismutase (SOD) and glutathione peroxidase (GSH-Px) by 35.8% and 41.5% respectively (40 μM dose) [1] |
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| 体外研究 (In Vitro) |
在0.5 mM H₂O₂诱导损伤的H9c2大鼠心肌细胞中,Hederagenin 28-O-beta-D-glucopyranosyl ester(10 μM、20 μM、40 μM)呈剂量依赖性发挥保护作用。
1. 细胞活力:MTT实验显示,单独H₂O₂处理使细胞活力降至对照组的45.2%;而10 μM、20 μM、40 μM Hederagenin 28-O-beta-D-glucopyranosyl ester 预处理后,细胞活力分别提升至58.7%、71.3%和82.3% [1] 2. 氧化应激指标:DCFH-DA染色显示,40 μM Hederagenin 28-O-beta-D-glucopyranosyl ester 较H₂O₂组降低58.6%的细胞内活性氧(ROS)水平;同时,该剂量下可降低42.1%的丙二醛(MDA,脂质过氧化产物)含量,并分别提升35.8%的超氧化物歧化酶(SOD)活性和41.5%的谷胱甘肽过氧化物酶(GSH-Px)活性 [1] |
| 体内研究 (In Vivo) |
1. 细胞培养与分组:H9c2大鼠心肌细胞用含10%胎牛血清的DMEM培养基,在37°C、5% CO₂条件下培养。细胞分为4组:对照组(无处理)、H₂O₂组(0.5 mM H₂O₂处理4小时)、Hederagenin 28-O-beta-D-glucopyranosyl ester 预处理组(10 μM、20 μM、40 μM药物预处理2小时后,再加入H₂O₂)[1]
2. 细胞活力检测:处理结束后,向细胞中加入5 mg/mL MTT试剂,37°C孵育4小时。吸除上清液,加入DMSO溶解甲瓒结晶,在570 nm波长处测定吸光度,计算细胞活力 [1] 3. 氧化应激检测:ROS检测时,细胞加载10 μM DCFH-DA探针30分钟,洗涤后在荧光显微镜下观察并定量荧光强度;MDA、SOD、GSH-Px检测时,制备细胞匀浆,使用商品化检测试剂盒,按说明书步骤测定其含量或活性 [1] |
| 毒性/毒理 (Toxicokinetics/TK) |
In normal H9c2 cardiomyocytes (without H₂O₂ treatment), Hederagenin 28-O-beta-D-glucopyranosyl ester at concentrations up to 40 μM had no significant cytotoxicity. MTT assay showed that cell viability remained >95% compared to the control group after 24 hours of drug treatment, indicating no obvious damage to normal myocardial cells [1]
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| 参考文献 | |
| 其他信息 |
Hederagenin 28-O-beta-D-glucopyranoside is a triterpenoid saponin that is the carboxylic ester obtained by the formal condensation of the carboxy group of hederagenin with beta-D-glucopyranose. It has been isolated from Juglans sinensis. It has a role as a plant metabolite and an anti-inflammatory agent. It is a triterpenoid saponin, a pentacyclic triterpenoid, a monosaccharide derivative, a beta-D-glucoside and a carboxylic ester. It is functionally related to a hederagenin. It derives from a hydride of an oleanane.
hederagenin 28-O-beta-D-glucopyranosyl ester has been reported in Achyranthes bidentata, Acer pictum, and other organisms with data available. Hederagenin 28-O-beta-D-glucopyranosyl ester is a new triterpenoid saponin isolated from the leaves of Ilex cornuta , a traditional Chinese medicinal plant [1] The protective effect of Hederagenin 28-O-beta-D-glucopyranosyl ester against H₂O₂-induced myocardial cell injury is mainly mediated by inhibiting oxidative stress: it reduces ROS generation and lipid peroxidation (lower MDA), while enhancing the activity of endogenous antioxidant enzymes (SOD, GSH-Px) to restore the cellular redox balance [1] |
| 分子式 |
C36H58O9
|
|---|---|
| 分子量 |
634.8403
|
| 精确质量 |
634.408
|
| CAS号 |
53931-25-2
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| PubChem CID |
21120798
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| 外观&性状 |
White to off-white solid powder
|
| 密度 |
1.27±0.1 g/cm3
|
| 沸点 |
729.7±60.0 °C at 760 mmHg
|
| 熔点 |
197-202 ºC (methanol )
|
| 闪点 |
220.2±26.4 °C
|
| 蒸汽压 |
0.0±5.4 mmHg at 25°C
|
| 折射率 |
1.596
|
| LogP |
6.68
|
| tPSA |
156.91
|
| 氢键供体(HBD)数目 |
6
|
| 氢键受体(HBA)数目 |
9
|
| 可旋转键数目(RBC) |
5
|
| 重原子数目 |
45
|
| 分子复杂度/Complexity |
1200
|
| 定义原子立体中心数目 |
14
|
| SMILES |
O([H])C1([H])C([H])([H])C([H])([H])[C@@]2(C([H])([H])[H])[C@]([H])([C@]1(C([H])([H])[H])C([H])([H])O[H])C([H])([H])C([H])([H])[C@@]1(C([H])([H])[H])[C@]3(C([H])([H])[H])C([H])([H])C([H])([H])[C@@]4(C(=O)OC5([H])C([H])(C([H])(C([H])(C([H])(C([H])([H])O[H])O5)O[H])O[H])O[H])C([H])([H])C([H])([H])C(C([H])([H])[H])(C([H])([H])[H])C([H])([H])[C@]4([H])C3=C([H])C([H])([H])[C@@]12[H]
|
| InChi Key |
WJMMBVSOQPALFO-DLQTVUGOSA-N
|
| InChi Code |
InChI=1S/C36H58O9/c1-31(2)13-15-36(30(43)45-29-28(42)27(41)26(40)22(18-37)44-29)16-14-34(5)20(21(36)17-31)7-8-24-32(3)11-10-25(39)33(4,19-38)23(32)9-12-35(24,34)6/h7,21-29,37-42H,8-19H2,1-6H3/t21-,22+,23+,24+,25-,26+,27-,28+,29-,32-,33-,34+,35+,36-/m0/s1
|
| 化学名 |
[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl] (4aS,6aR,6aS,6bR,8aR,9R,10S,12aR,14bS)-10-hydroxy-9-(hydroxymethyl)-2,2,6a,6b,9,12a-hexamethyl-1,3,4,5,6,6a,7,8,8a,10,11,12,13,14b-tetradecahydropicene-4a-carboxylate
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| HS Tariff Code |
2934.99.9001
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| 存储方式 |
Powder -20°C 3 years 4°C 2 years In solvent -80°C 6 months -20°C 1 month 注意: 请将本产品存放在密封且受保护的环境中(例如氮气保护),避免吸湿/受潮和光照。 |
| 运输条件 |
Room temperature (This product is stable at ambient temperature for a few days during ordinary shipping and time spent in Customs)
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| 溶解度 (体外实验) |
May dissolve in DMSO (in most cases), if not, try other solvents such as H2O, Ethanol, or DMF with a minute amount of products to avoid loss of samples
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|---|---|
| 溶解度 (体内实验) |
注意: 如下所列的是一些常用的体内动物实验溶解配方,主要用于溶解难溶或不溶于水的产品(水溶度<1 mg/mL)。 建议您先取少量样品进行尝试,如该配方可行,再根据实验需求增加样品量。
注射用配方
注射用配方1: DMSO : Tween 80: Saline = 10 : 5 : 85 (如: 100 μL DMSO → 50 μL Tween 80 → 850 μL Saline)(IP/IV/IM/SC等) *生理盐水/Saline的制备:将0.9g氯化钠/NaCl溶解在100 mL ddH ₂ O中,得到澄清溶液。 注射用配方 2: DMSO : PEG300 :Tween 80 : Saline = 10 : 40 : 5 : 45 (如: 100 μL DMSO → 400 μL PEG300 → 50 μL Tween 80 → 450 μL Saline) 注射用配方 3: DMSO : Corn oil = 10 : 90 (如: 100 μL DMSO → 900 μL Corn oil) 示例: 以注射用配方 3 (DMSO : Corn oil = 10 : 90) 为例说明, 如果要配制 1 mL 2.5 mg/mL的工作液, 您可以取 100 μL 25 mg/mL 澄清的 DMSO 储备液,加到 900 μL Corn oil/玉米油中, 混合均匀。 View More
注射用配方 4: DMSO : 20% SBE-β-CD in Saline = 10 : 90 [如:100 μL DMSO → 900 μL (20% SBE-β-CD in Saline)] 口服配方
口服配方 1: 悬浮于0.5% CMC Na (羧甲基纤维素钠) 口服配方 2: 悬浮于0.5% Carboxymethyl cellulose (羧甲基纤维素) 示例: 以口服配方 1 (悬浮于 0.5% CMC Na)为例说明, 如果要配制 100 mL 2.5 mg/mL 的工作液, 您可以先取0.5g CMC Na并将其溶解于100mL ddH2O中,得到0.5%CMC-Na澄清溶液;然后将250 mg待测化合物加到100 mL前述 0.5%CMC Na溶液中,得到悬浮液。 View More
口服配方 3: 溶解于 PEG400 (聚乙二醇400) 请根据您的实验动物和给药方式选择适当的溶解配方/方案: 1、请先配制澄清的储备液(如:用DMSO配置50 或 100 mg/mL母液(储备液)); 2、取适量母液,按从左到右的顺序依次添加助溶剂,澄清后再加入下一助溶剂。以 下列配方为例说明 (注意此配方只用于说明,并不一定代表此产品 的实际溶解配方): 10% DMSO → 40% PEG300 → 5% Tween-80 → 45% ddH2O (或 saline); 假设最终工作液的体积为 1 mL, 浓度为5 mg/mL: 取 100 μL 50 mg/mL 的澄清 DMSO 储备液加到 400 μL PEG300 中,混合均匀/澄清;向上述体系中加入50 μL Tween-80,混合均匀/澄清;然后继续加入450 μL ddH2O (或 saline)定容至 1 mL; 3、溶剂前显示的百分比是指该溶剂在最终溶液/工作液中的体积所占比例; 4、 如产品在配制过程中出现沉淀/析出,可通过加热(≤50℃)或超声的方式助溶; 5、为保证最佳实验结果,工作液请现配现用! 6、如不确定怎么将母液配置成体内动物实验的工作液,请查看说明书或联系我们; 7、 以上所有助溶剂都可在 Invivochem.cn网站购买。 |
| 制备储备液 | 1 mg | 5 mg | 10 mg | |
| 1 mM | 1.5752 mL | 7.8760 mL | 15.7520 mL | |
| 5 mM | 0.3150 mL | 1.5752 mL | 3.1504 mL | |
| 10 mM | 0.1575 mL | 0.7876 mL | 1.5752 mL |
1、根据实验需要选择合适的溶剂配制储备液 (母液):对于大多数产品,InvivoChem推荐用DMSO配置母液 (比如:5、10、20mM或者10、20、50 mg/mL浓度),个别水溶性高的产品可直接溶于水。产品在DMSO 、水或其他溶剂中的具体溶解度详见上”溶解度 (体外)”部分;
2、如果您找不到您想要的溶解度信息,或者很难将产品溶解在溶液中,请联系我们;
3、建议使用下列计算器进行相关计算(摩尔浓度计算器、稀释计算器、分子量计算器、重组计算器等);
4、母液配好之后,将其分装到常规用量,并储存在-20°C或-80°C,尽量减少反复冻融循环。
计算结果:
工作液浓度: mg/mL;
DMSO母液配制方法: mg 药物溶于 μL DMSO溶液(母液浓度 mg/mL)。如该浓度超过该批次药物DMSO溶解度,请首先与我们联系。
体内配方配制方法:取 μL DMSO母液,加入 μL PEG300,混匀澄清后加入μL Tween 80,混匀澄清后加入 μL ddH2O,混匀澄清。
(1) 请确保溶液澄清之后,再加入下一种溶剂 (助溶剂) 。可利用涡旋、超声或水浴加热等方法助溶;
(2) 一定要按顺序加入溶剂 (助溶剂) 。