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- 技术资料
- CAS号：
2353-33-5
- 规格：
1g/1mLx10mM(inDMSO)/1mg/5mg/10mg/25mg/50mg/100mg/200mg/500mg
| 规格： | 1g | 产品价格： | ￥5272.0 |
|---|---|---|---|
| 规格： | 1mLx10mM(inDMSO) | 产品价格： | ￥333.0 |
| 规格： | 1mg | 产品价格： | ￥143.0 |
| 规格： | 5mg | 产品价格： | ￥284.0 |
| 规格： | 10mg | 产品价格： | ￥428.0 |
| 规格： | 25mg | 产品价格： | ￥784.0 |
| 规格： | 50mg | 产品价格： | ￥1240.0 |
| 规格： | 100mg | 产品价格： | ￥1992.0 |
| 规格： | 200mg | 产品价格： | ￥2768.0 |
| 规格： | 500mg | 产品价格： | ￥3960.0 |
Product Introduction
Bioactivity
| 名称 | Decitabine |
| 描述 | Decitabine (Deoxycytidine) is a deoxycytidine analog, a DNA methyltransferase inhibitor with oral activity. Decitabine has antitumor activity and antimetabolic activity. Decitabine induces cell cycle arrest and apoptosis. |
| 细胞实验 | For cell cycle analysis, KARPAS-299 cells were incubated for 24 h with 1 μM of 5-aza-CdR in RPMI and grown for 4 days in fresh RPMI only. Then, 105–106 cells were suspended in 500 μl PI-buffer (0.1% Na–citrate dihydrate, 0.1% Triton X-100, 0.1% RNAse (DNAse free) in PBS). Propidium–iodide (ROTH, dissolved in PBS) was added to a concentration of 10 μg/ml and the cells were incubated for 30 min at 37 °C. The analysis was performed on a flow cytometer using the BD FACS Diva Software. Three independent samples of 5-aza-CdR treated and PBS controls were analyzed. Descriptive statistics for analysis are reported as mean ± SEM [4]. |
| 激酶实验 | The rate of DNA synthesis was measured by the incorporation of radioactive thymidine into DNA. HL-60 (5 × 10^3 cells/ml) and KG1a cells (10^4 cells/ml) were suspended in 2 ml RPMI medium containing 10% fetal serum in 6-well (35 mm diameter) dishes and incubated with different concentrations of corresponding drugs for 48 h (drugs were added simultaneously). At 48 h, 0.5 μCi [3H] thymidine (6.7 Ci/mmol) was added to each well and incubated for an additional 24 h. The cells were placed on GF/C glass fiber filters (2.4 cm diameter), washed with cold 0.9% NaCl, 5% cold trichloroacetic acid and ethanol. The filters containing the DNA were then dried, placed in EcoLite scintillation liquid (ICN) and the radioactivity measured using scintillation counter. The IC50 is defined as the concentration of drug that inhibits by 50% the DNA synthesis of the leukemic cell lines from the dose-response curve [1]. |
| 动物实验 | For xenografts, NOD.CB17-Prkdc?scid/NCrHsd (NOD/SCID, Harlan Laboratories) mice were used. KARPAS-299 human cells were grown as described above, dissolved in sterile PBS to a concentration of 1×107 cells/ml and inoculated subcutaneously (1×10^6 cells/injection) into the right and left flanks of the mice. Tumor range was followed measuring tumor length and tumor width with a calliper. Mice weighed approximately 25 g at the beginning of the therapy. 5-Aza-CdR was dissolved in sterile PBS and was administered intraperitoneally (i.p.). Each mouse received 2.5 mg/kg/mouse per treatment. Control mice were administered 100 μl of sterile PBS. Therapies were adjusted regarding start and duration of the treatment in order to obtain optimal treatment procedures. In schedule A, three mice were treated with 5-aza-CdR 11 days after inoculation, when tumor size was approximately 1 cm2. The control group contained two mice. The mice received 5-aza-CdR or PBS every day for eight days. In schedule B, two mice were treated with 5-aza-CdR three days after inoculation and three mice five days after inoculation when tumors were not or just palpable. 5-Aza-CdR was administered every other day for five times to each mouse. The control group contained two mice [4]. |
| 体外活性 | 方法：人急性白血病细胞 molt4 用 Decitabine (0.00625-100 μM) 处理 24-96 h，使用 CCK-8 方法检测细胞增殖。 结果：Decitabine 以剂量和时间依赖的方式抑制 molt4 细胞的增殖，处理 72 h 和 96 h 的 IC50 分别为 84.461 μM 和 10.113 μM。[1] 方法：人 BCP-ALL 细胞 SEM 和 RS4;11 用 Decitabine (1000 nM) 处理 72 h，使用 Flow Cytometry 检测细胞周期情况。 结果：Decitabine 引起 SEM 细胞中 G0/G1 停滞。RS4;11 的细胞周期不受 Decitabine 的影响。[2] |
| 体内活性 | 方法：为检测体内抗肿瘤活性，将 Decitabine (0.4 mg/kg) 腹腔注射给携带 ALL 肿瘤 SEM-ffluc-GFP 或 RS4;11-ffluc-GFP 的 NSG 小鼠，每天一次，持续三十天。 结果：Decitabine 显著延迟了 SEM-ffluc-GFP 和 RS4-ffluc 衍生的异种移植物模型中的白血病细胞增殖。[2] 方法：为检测体内抗肿瘤活性，将 Decitabine (0.8 mg/kg) 腹腔注射给携带人胆管癌肿瘤 TFK-1 的 Balb-c nu/nu 小鼠，每天一次，持续十四天。 结果：在 TFK-1 小鼠异种移植物中，Decitabine 延缓了荷瘤小鼠的肿瘤生长并提高了其存活率。[3] |
| 存储条件 | Store at low temperature Powder: -20°C for 3 years | In solvent: -80°C for 1 year Shipping with blue ice/Shipping at ambient temperature. |
| 溶解度 | H2O : 11.4 mg/mL (49.95 mM), Sonication is recommended. 10% DMSO+40% PEG300+5% Tween 80+45% Saline : 2 mg/mL (8.76 mM), Sonication is recommended. DMSO : 55 mg/mL (241.01 mM), Sonication is recommended. |
| 关键字 | NucleosideAntimetabolite | Nucleoside Antimetabolite/Analog | Nucleoside Antimetabolite | NSC-127716 | NSC127716 | Inhibitor | inhibit | DNMTs | DNAMethyltransferase | DNA MTases | DNA methyltransferase (DNMT) | DNA Methyltransferase | Decitabine | Apoptosis | Analog |
| 相关产品 | Formamide | Urea | Sodium Molybdate | Dimethyl phthalate | Aceglutamide | Alginic acid | Cysteamine hydrochloride | Metronidazole | Sildenafil citrate | Citric Acid Triammonium | Stavudine | Tamoxifen |
| 相关库 | Anti-Cancer Active Compound Library | Bioactive Compound Library | Anti-Cancer Approved Drug Library | Bioactive Compounds Library Max | EMA Approved Drug Library | FDA-Approved & Pharmacopeia Drug Library | Anti-Aging Compound Library | FDA-Approved Drug Library | Anti-Lung Cancer Compound Library | Drug Repurposing Compound Library | Anti-Cancer Clinical Compound Library | Anti-Cancer Drug Library |
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相关实验
为啥越老越怕冷？竟是免疫细胞「叛变」了！Cell Metab
了 ILC2s。图片来源：Cell Metabolism研究人员发现，内脏脂肪组织的 ILC2s 在整个生命周期中都有存在。此外，由于 ILC2s 是 IL-5 的重要来源，因此它还是嗜酸性粒细胞的主要调节因子，而在衰老过程中嗜酸性粒细胞的比例也在下降。图片来源：Cell Metabolism衰老脂肪组织中 IL-33 的失调是 ILC2s 缺失的基础IL-33 是调节 VAT 中 ILC2s 的主要细胞因子，IL-33 是由年轻小鼠 Pdgfra+间充质祖细胞和血管周围的内皮细胞产生的。然而，当研究
条件下使样品变得又硬又脆，用刀劈裂样品，暴露观察面。因为是用刀劈裂的样品，断裂往往发生在细胞被冻结后较脆弱的部位，多数是沿细胞及细胞器 的膜裂开。由于断裂面是凸凹不平的，所以图像立体感强。冷冻断裂时，刀的作用在于劈裂，而不是切割，所以刀刃不必锋利，但不能有缺口、油污和水份，还需保持清洁干燥。冷冻复型的断裂操作要在真空中进行，是因为真空对热传导性差，能使样品较长时间维持在较恒定温度下进行断裂操作，同时也便于进行下步的蚀刻处理。仪器中进行断裂的最佳条件：真空度为133×10-5～3×40
【讨论】Innate immunity: 'Natural helper' cells identified
IL-5, IL-6 and IL-13 in vitro. These cells also produced TH2-type cytokines, as well as low levels of interferon-γ, in response to PMA (phorbol 12-myristate 13-acetate) plus ionomycin, and incubation with IL-33 or IL-2 plus IL-25 induced high levels
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