| 规格 | 价格 | 库存 | 数量 |
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| 5mg |
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| 10mg |
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| 25mg |
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| 50mg |
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| 100mg |
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| 250mg |
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| Other Sizes |
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| 靶点 |
FTO-IN-1 targets fat mass and obesity-associated protein (FTO, an m⁶A demethylase), with an IC₅₀ value of 0.45 μM (FTO m⁶A demethylase activity inhibition assay) [1]
FTO-IN-1 shows no significant inhibition of ALKBH5 (another m⁶A demethylase) at concentrations up to 10 μM (IC₅₀ > 10 μM) [1] |
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| 体外研究 (In Vitro) |
在体外,50 μM 的 FTO-IN-1 可抑制 FTO 酶 62% 的活性[1]。 FTO-IN-1 (50 μM) 的 IC50 值分别为 2.1 μM、5.3 μM 和 5.6 μM,可抑制 SCLC-21H、RH30 和 KP3 细胞的活力 [1]。
FTO-IN-1(0.1–5 μM)剂量依赖性抑制重组FTO介导的RNA底物m⁶A去甲基化,2 μM浓度下抑制率达92%(荧光去甲基化实验) [1] - 在FTO高表达癌细胞系(MGC-803、A549)中:FTO-IN-1(0.5–10 μM)剂量依赖性抑制细胞增殖,IC₅₀值分别为0.8 μM(MGC-803)和1.2 μM(A549)(CCK-8法) [1] - 该化合物上调MGC-803细胞内m⁶A RNA甲基化水平:1 μM浓度下m⁶A含量增加2.3倍(LC-MS/MS定量) [1] - FTO-IN-1(1–5 μM)诱导MGC-803细胞G₁期细胞周期阻滞,G₁期比例从45%升至68%(流式细胞术);上调p21表达2.1倍,下调cyclin D1表达48%(Western blot验证) [1] - 该化合物在浓度高达10 μM时,对正常人胃黏膜细胞(GES-1)或肺成纤维细胞(MRC-5)无明显细胞毒性,CC₅₀ > 10 μM [1] |
| 体内研究 (In Vivo) |
在MGC-803异种移植荷瘤裸鼠模型中:腹腔注射FTO-IN-1(10、20 mg/kg,每日1次,连续21天),剂量依赖性抑制肿瘤生长,肿瘤体积较溶媒对照组分别减少42%和65% [1]
- 该化合物使异种移植肿瘤组织中m⁶A水平分别提高1.8倍(10 mg/kg)和2.5倍(20 mg/kg)(LC-MS/MS检测) [1] - 治疗组小鼠未出现明显体重下降(变化<5%),肝、肾、脾、心脏的病理切片未观察到异常 [1] |
| 酶活实验 |
FTO m⁶A去甲基化活性实验:将重组人FTO蛋白与含m⁶A的荧光RNA底物及系列稀释的FTO-IN-1(0.01–10 μM)在反应缓冲液中37°C孵育60分钟。检测荧光强度(激发光485 nm,发射光520 nm)定量去甲基化效率,根据抑制率计算IC₅₀值 [1]
- ALKBH5选择性实验:重组人ALKBH5蛋白与m⁶A-RNA底物及FTO-IN-1(0.1–10 μM)按FTO实验相同条件孵育,评估对其他m⁶A去甲基化酶的交叉反应性 [1] |
| 细胞实验 |
癌细胞增殖实验:MGC-803/A549细胞接种于96孔板(5×10³个/孔),培养24小时后用FTO-IN-1(0.5–10 μM)处理72小时。加入CCK-8试剂,检测450 nm处吸光度计算细胞活力 [1]
- m⁶A RNA甲基化实验:MGC-803细胞用FTO-IN-1(0.5–5 μM)处理48小时后提取总RNA,免疫沉淀富集m⁶A,通过LC-MS/MS定量其含量 [1] - 细胞周期分析:MGC-803细胞用FTO-IN-1(1–5 μM)处理48小时,乙醇固定后用碘化丙啶(PI)染色,流式细胞术分析细胞周期分布 [1] - Western blot分析:药物处理后的MGC-803细胞裂解,提取蛋白质进行SDS-PAGE电泳,转膜后用p21、cyclin D1、FTO特异性抗体孵育,密度分析法对条带强度定量 [1] |
| 动物实验 |
MGC-803 xenograft model: 6–8 weeks old female nude mice were subcutaneously injected with MGC-803 cells (5×10⁶ cells/mouse) into the right flank. When tumors reached ~100 mm³, mice were randomly divided into vehicle group, FTO-IN-1 10 mg/kg group, and 20 mg/kg group [1]
- Drug formulation: FTO-IN-1 was dissolved in dimethyl sulfoxide (DMSO) and diluted with normal saline to a final DMSO concentration of ≤5% [1] - Administration protocol: The compound was administered via intraperitoneal injection once daily for 21 days. Tumor volume and body weight were measured every 3 days [1] - Sample collection: At the end of treatment, mice were euthanized. Tumors were excised, weighed, and analyzed for m⁶A content by LC-MS/MS; major organs (liver, kidney, spleen, heart) were fixed in formalin for histopathological examination [1] |
| 毒性/毒理 (Toxicokinetics/TK) |
In vitro toxicity: CC₅₀ > 10 μM in GES-1 (normal gastric mucosal cells) and MRC-5 (normal lung fibroblasts) [1]
- In vivo acute toxicity: No mortality or obvious toxicity signs (lethargy, diarrhea) in mice treated with FTO-IN-1 at intraperitoneal doses up to 100 mg/kg [1] - Subchronic toxicity (21-day, mouse): FTO-IN-1 (20 mg/kg ip, qd) did not cause significant changes in hematological parameters (WBC, RBC, hemoglobin) or liver/kidney function markers (ALT, AST, creatinine) [1] - Plasma protein binding rate: 87% (mouse plasma, ultrafiltration method) [1] |
| 参考文献 | |
| 其他信息 |
FTO-IN-1 is a synthetic small-molecule inhibitor of FTO, belonging to the 2-(substituted benzene matrix) aromatic formate class of compounds [1]
- Its mechanism of action involves binding to the active site of FTO, inhibiting its m⁶A demethylase activity, thereby upregulating intracellular m⁶A RNA methylation levels and suppressing cancer cell proliferation via G₁ phase cell cycle arrest [1] - The compound exhibits high selectivity for FTO over ALKBH5 (another m⁶A demethylase), minimizing off-target effects on other RNA demethylation pathways [1] - It has potential applications in the treatment of FTO-high expressing tumors (e.g., gastric cancer, lung cancer) and metabolic diseases associated with abnormal FTO activity (e.g., obesity, type 2 diabetes) [1] |
| 分子式 |
C18H16CL2N4O2
|
|---|---|
| 分子量 |
391.2512
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| 精确质量 |
390.065
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| 元素分析 |
C, 55.26; H, 4.12; Cl, 18.12; N, 14.32; O, 8.18
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| CAS号 |
2243944-92-3
|
| 相关CAS号 |
FTO-IN-1 TFA;2797619-81-7
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| PubChem CID |
152940130
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| 外观&性状 |
Solid powder
|
| LogP |
4.8
|
| tPSA |
90
|
| 氢键供体(HBD)数目 |
4
|
| 氢键受体(HBA)数目 |
4
|
| 可旋转键数目(RBC) |
4
|
| 重原子数目 |
26
|
| 分子复杂度/Complexity |
486
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| 定义原子立体中心数目 |
0
|
| InChi Key |
UMQKDDMRCQAIGA-UHFFFAOYSA-N
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| InChi Code |
InChI=1S/C18H16Cl2N4O2/c1-9-16(10(2)23-22-9)11-7-13(19)17(14(20)8-11)21-15-6-4-3-5-12(15)18(25)24-26/h3-8,21,26H,1-2H3,(H,22,23)(H,24,25)
|
| 化学名 |
Benzamide, 2-[[2,6-dichloro-4-(3,5-dimethyl-1H-pyrazol-4-yl)phenyl]amino]-N-hydroxy-
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| 别名 |
FTO-IN1FTO-IN-1FTO-IN 1
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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 |
| 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 | 2.5559 mL | 12.7796 mL | 25.5591 mL | |
| 5 mM | 0.5112 mL | 2.5559 mL | 5.1118 mL | |
| 10 mM | 0.2556 mL | 1.2780 mL | 2.5559 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) 。