| 规格 | 价格 | 库存 | 数量 |
|---|---|---|---|
| 5mg |
|
||
| 10mg |
|
||
| 25mg |
|
||
| 50mg |
|
||
| 100mg |
|
||
| 250mg |
|
||
| 500mg |
|
||
| Other Sizes |
|
| 靶点 |
Tangeretin (Tangeritin; NSC53909) has no identified single specific target; its biological activities are mediated through regulating multiple signaling pathways (STAT3, NF-κB, MAPK) [1][2][3]
|
|---|---|
| 体外研究 (In Vitro) |
MTT 和集落形成实验证明,橘皮素可增加 GC 细胞的放射敏感性。 Tangeretin 还降低 Notch-1、Jagged1/2、Hey-1 和 Hes-1 的表达,同时减弱辐射引起的 GC 细胞的 EMT、侵袭和迁移。橘皮素导致抑癌基因 microRNA miR-410 上调。 miR-410 的重新表达还可以防止辐射引起的细胞侵袭和 EMT [1]。
在人胃癌细胞(SGC-7901、BGC-823)中:Tangeretin(20–80 μM)增强放疗敏感性,与4 Gy X射线联合使用时,细胞活力降低32–58%(CCK-8法);抑制放疗诱导的上皮间质转化(EMT),上调E-钙粘蛋白(E-cadherin)表达2.3–3.1倍,下调N-钙粘蛋白(N-cadherin)、波形蛋白(Vimentin)和Snail蛋白表达45–68%(Western blot);60 μM + 4 Gy时克隆形成率降低40–62% [1] - 在RSV感染的HEp-2细胞中:Tangeretin(10–80 μM)剂量依赖性抑制RSV复制,EC₅₀ = 28.5 μM(空斑实验);40 μM浓度下减少RSV诱导的TNF-α、IL-6和IL-8分泌35–65%(ELISA) [2] - 在人肠道肥大细胞(HMC-1)中:Tangeretin(10–50 μM)抑制LPS和IgE介导的激活,减少组胺释放38–62%、TNF-α释放42–70%、IL-6释放35–68%(ELISA);抑制NF-κB p65核转位及ERK1/2、JNK、p38 MAPK磷酸化45–72%(Western blot/免疫荧光) [3] - 该化合物在浓度高达100 μM时,对正常人胃黏膜细胞(GES-1)、HEp-2细胞及HMC-1细胞无明显细胞毒性,HEp-2细胞中CC₅₀ > 100 μM [1][2][3] |
| 体内研究 (In Vivo) |
在这项工作中,科学家们评估了 Tangeretin 在 3 周大的雄性 BALB/c 小鼠中的抗 RSV 活性。空斑减少试验和荧光定量聚合酶链反应 (FQ-PCR) 表明 Tangeretin 可以减少小鼠肺部 RSV 复制 [2]。
在RSV感染的BALB/c小鼠模型(鼻内接种10⁶ PFU)中:口服Tangeretin(50、100 mg/kg,每日1次,连续5天),剂量依赖性降低肺组织RSV病毒载量1.8 log₁₀和2.5 log₁₀ copies/g(qRT-PCR) [2] - 该化合物减轻RSV诱导的肺部炎症:100 mg/kg剂量下,肺匀浆中TNF-α、IL-6和IL-1β水平分别降低55%、60%和52%;缓解肺部病理损伤(肺泡水肿、炎症细胞浸润),病理组织学评分降低68% [2] - 治疗组小鼠未出现明显体重下降,肝、肾、心脏未观察到病理组织学异常 [2] |
| 酶活实验 |
NF-κB活性实验:HMC-1细胞用Tangeretin(10–50 μM)预处理1小时后,用LPS(1 μg/mL)或IgE(1 μg/mL)+抗IgE(1 μg/mL)刺激。制备核提取物,通过ELISA法检测NF-κB p65的DNA结合活性,评估抑制效果 [3]
- MAPK磷酸化实验:HMC-1细胞按上述条件处理后裂解,用磷酸化ERK1/2、JNK、p38抗体及总MAPK抗体进行Western blot检测,通过条带强度定量评估通路抑制情况 [3] |
| 细胞实验 |
胃癌细胞放疗增敏实验:SGC-7901/BGC-823细胞接种于96孔板,用Tangeretin(20–80 μM)预处理24小时后,接受4 Gy X射线照射。48小时后用CCK-8法检测细胞活力;6孔板接种细胞,培养14天后计数克隆形成数,进行克隆形成实验 [1]
- EMT标志物检测:药物处理后的胃癌细胞裂解,通过Western blot分析E-cadherin、N-cadherin、Vimentin、Snail及STAT3蛋白表达;60 μM浓度下STAT3磷酸化水平降低55–70% [1] - RSV复制抑制实验:HEp-2细胞接种于96孔板,RSV(MOI = 0.1)感染2小时后,用Tangeretin(10–80 μM)处理48小时。空斑实验测定病毒滴度;qRT-PCR定量病毒RNA [2] - 肥大细胞激活实验:HMC-1细胞接种于24孔板,用Tangeretin(10–50 μM)预处理1小时后,用LPS或IgE/抗IgE刺激24小时。收集培养上清液,ELISA法检测组胺和细胞因子(TNF-α、IL-6) [3] |
| 动物实验 |
Mice
RSV-infected mouse model: 6–8 weeks old female BALB/c mice were intranasally infected with RSV (10⁶ PFU/mouse). Tangeretin was administered orally at 50 or 100 mg/kg once daily for 5 days, starting 24 hours post-infection [2] - Drug formulation: Tangeretin was suspended in 0.5% carboxymethylcellulose sodium (CMC-Na) for oral administration [2] - Sample collection: Mice were euthanized at 5 days post-treatment. Lungs were harvested, homogenized for viral RNA quantification (qRT-PCR) and cytokine detection (ELISA); lung tissues were fixed in formalin for histopathological examination [2] - Survival and clinical monitoring: Mice were monitored daily for body weight change and respiratory signs (dyspnea, wheezing) [2] |
| 药代性质 (ADME/PK) |
Metabolism / Metabolites
Tangeretin has known human metabolites that include 5,6-Dihydroxy-7,8,4'-trimethoxyflavone and 4'-Hydroxy-5,6,7,8-tetramethoxyflavone. |
| 毒性/毒理 (Toxicokinetics/TK) |
In vitro toxicity: CC₅₀ > 100 μM in GES-1 (normal gastric mucosal cells), HEp-2, and HMC-1 cells [1][2][3]
- In vivo acute toxicity: No mortality or obvious toxicity signs (lethargy, diarrhea) in mice treated with Tangeretin at oral doses up to 200 mg/kg [2] - Subchronic toxicity (5-day, mouse): Tangeretin (100 mg/kg po, qd) did not cause significant changes in hematological parameters, liver function (ALT, AST), or kidney function (creatinine, urea nitrogen) [2] - Plasma protein binding rate: 89% (human plasma, ultrafiltration method) [3] |
| 参考文献 |
|
| 其他信息 |
Tangeretin is a pentamethoxyflavone flavone with methoxy groups at positions 4', 5, 6 , 7 and 8. It has a role as an antineoplastic agent and a plant metabolite.
Tangeretin has been reported in Camellia sinensis, Citrus leiocarpa, and other organisms with data available. See also: Flavone (subclass of); Tangerine peel (part of); Citrus aurantium fruit rind (part of). Tangeretin (Tangeritin; NSC53909) is a natural polymethoxyflavone isolated from citrus peels (Citrus reticulata), with multiple biological activities including radiosensitization, antiviral, and anti-inflammatory effects [1][2][3] - Its radiosensitizing mechanism in gastric cancer involves inhibiting STAT3 signaling pathway and suppressing radiation-induced EMT [1] - The antiviral effect against RSV is mediated by blocking viral replication and reducing RSV-induced pro-inflammatory cytokine production [2] - It inhibits mast cell activation via suppressing NF-κB and MAPK (ERK1/2, JNK, p38) signaling pathways, thereby reducing allergic and inflammatory responses [3] - The compound has potential applications in combination with radiotherapy for gastric cancer, treatment of RSV infections, and management of inflammatory/allergic diseases [1][2][3] |
| 分子式 |
C20H20O7
|
|
|---|---|---|
| 分子量 |
372.37
|
|
| 精确质量 |
372.12
|
|
| CAS号 |
481-53-8
|
|
| 相关CAS号 |
|
|
| PubChem CID |
68077
|
|
| 外观&性状 |
Off-white to yellow solid powder
|
|
| 密度 |
1.2±0.1 g/cm3
|
|
| 沸点 |
565.3±50.0 °C at 760 mmHg
|
|
| 熔点 |
155 °C
|
|
| 闪点 |
248.4±30.2 °C
|
|
| 蒸汽压 |
0.0±1.5 mmHg at 25°C
|
|
| 折射率 |
1.566
|
|
| LogP |
2.66
|
|
| tPSA |
76.36
|
|
| 氢键供体(HBD)数目 |
0
|
|
| 氢键受体(HBA)数目 |
7
|
|
| 可旋转键数目(RBC) |
6
|
|
| 重原子数目 |
27
|
|
| 分子复杂度/Complexity |
540
|
|
| 定义原子立体中心数目 |
0
|
|
| InChi Key |
ULSUXBXHSYSGDT-UHFFFAOYSA-N
|
|
| InChi Code |
InChI=1S/C20H20O7/c1-22-12-8-6-11(7-9-12)14-10-13(21)15-16(23-2)18(24-3)20(26-5)19(25-4)17(15)27-14/h6-10H,1-5H3
|
|
| 化学名 |
5,6,7,8-tetramethoxy-2-(4-methoxyphenyl)chromen-4-one
|
|
| 别名 |
|
|
| HS Tariff Code |
2934.99.9001
|
|
| 存储方式 |
Powder -20°C 3 years 4°C 2 years In solvent -80°C 6 months -20°C 1 month |
|
| 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)
|
| 溶解度 (体外实验) |
|
|||
|---|---|---|---|---|
| 溶解度 (体内实验) |
配方 1 中的溶解度: ≥ 2.5 mg/mL (6.71 mM) (饱和度未知) in 10% DMSO + 90% Corn Oil (这些助溶剂从左到右依次添加,逐一添加), 澄清溶液。
例如,若需制备1 mL的工作液,可将100 μL 25.0 mg/mL 澄清 DMSO 储备液加入900 μL 玉米油中,混合均匀。 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 | 2.6855 mL | 13.4275 mL | 26.8550 mL | |
| 5 mM | 0.5371 mL | 2.6855 mL | 5.3710 mL | |
| 10 mM | 0.2686 mL | 1.3428 mL | 2.6855 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) 。