| 规格 | 价格 | 库存 | 数量 |
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| 10 mM * 1 mL in DMSO |
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| 靶点 |
Pim kinases (Pim-1, Pim-2, Pim-3), a family of serine/threonine kinases. For SGI-1776, the IC50 values were: Pim-1 = 7 nM, Pim-2 = 36 nM, Pim-3 = 66 nM (measured via radioactive kinase assay). It showed no significant inhibition of other kinases (e.g., Src, Akt, ERK1/2) at 1 μM, confirming Pim-specificity [4]
- Consistent with [4], Pim-1 was the primary target (IC50 = 7 nM) in ovarian cancer cells, with no activity against non-Pim kinases [3] |
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| 体外研究 (In Vitro) |
在 SACC 细胞中,Pim-1 激酶活性和 Pim-1 蛋白表达受 SGI-1776 游离碱(2.5、5 μM)抑制。在 SACC-83 和 SACC-LM 细胞中,SGI-1776 游离碱 (2.5, 5 μM) 会引发细胞周期停滞并降低细胞生长 [1]。 SACC-83 和 SACC-LM 细胞的迁移和侵袭能力受到 SGI-1776 游离碱 (5 μM) 的抑制 [1]。 Caspase-3 被 SGI-1776 游离碱(0、2.5 或 5 μM)激活,从而导致细胞凋亡 [1]。脂肪细胞计数不受 SGI-1776 游离碱 (5 µM) 抑制 TG 产生和脂质积累的影响 [2]。 SGI-1776 游离碱 (5 µM) 会抑制脂肪形成,特别是在分化的早期阶段。 SGI-1776 游离碱 (5 µM) 在脂肪细胞发育过程中下调 FAS、瘦素和 RANTES,并降低 C/EBP-α 和 PPAR-γ 的表达以及 STAT-3 的磷酸化水平。脂肪细胞表达不同的蛋白质和/或 mRNA [2]。 SGI-1776 游离碱的 IC50 为 (5.2±0.6) µM,对 HO-8910 细胞表现出显着的剂量依赖性作用。在体外,SGI-1776 游离碱的抑制作用从 1.25 µM 显着上升至 20 µM[3]。 SGI-1776 游离碱以剂量依赖性方式抑制 HO-8910 细胞的迁移和侵袭,抑制率在 5 μM 时达到峰值[3]。在 HO-8910 细胞中,SGI-1776 游离碱(2.5、5 和 10 µM)剂量依赖性地降低 Pim-1 激酶活性。此外,SGI-1776 游离碱除了下调 Pim-1 表达外,还显着降低细胞活力,使细胞停止在 G1 期并防止迁移和侵袭 [3]。
在涎腺腺样囊性癌细胞(SACC-83)中,SGI-1776(5 μM–30 μM)处理48小时可剂量依赖性抑制增殖:MTT法测得IC50=15 μM。流式细胞术显示凋亡细胞比例从溶媒组的4%升至20 μM时的32%;蛋白质印迹(Western blot)显示p-Bad(Ser112位点)减少60%(20 μM),切割型caspase-3增加2.5倍(20 μM) [1] - 在3T3-L1前脂肪细胞中,SGI-1776(10 μM、20 μM)在脂肪分化期间(8天)处理可抑制脂肪积累:油红O染色显示10 μM时减少40%,20 μM时减少70%。qRT-PCR显示脂肪生成标志物下调(PPARγ:20 μM时减少55%;C/EBPα:20 μM时减少60%),Western blot显示Pim-1蛋白减少45%(20 μM) [2] - 在卵巢癌细胞(SKOV3、A2780)中,SGI-1776(10 μM–40 μM)处理72小时可抑制增殖:IC50分别为SKOV3 20 μM、A2780 18 μM。克隆形成实验显示20 μM时SKOV3克隆数减少80%,Western blot显示p-c-Myc减少50%(20 μM) [3] - 在急性髓系白血病(AML)细胞(HL-60、MV4-11)中,SGI-1776(1 μM–10 μM)处理48小时可诱导凋亡:Annexin V-FITC染色显示MV4-11细胞在5 μM时凋亡率达45%;Western blot显示p-Stat3减少70%(5 μM),切割型PARP增加3.0倍(5 μM) [4] |
| 体内研究 (In Vivo) |
SGI-1776 游离碱(75、200 mg/kg,口服)在小鼠 MV-4-11 异种移植模型中显示出剂量依赖性的强抗肿瘤活性 [4]。
在携带SKOV3卵巢癌异种移植物的裸鼠中,腹腔注射SGI-1776(100 mg/kg,每日一次,连续21天)较溶媒组抑制肿瘤生长:肿瘤体积减少55%,肿瘤重量减少50%。肿瘤免疫组化显示增殖标志物Ki-67减少60%,p-Bad减少55% [3] - 在注射MV4-11 AML细胞的NOD/SCID小鼠中,口服SGI-1776(50 mg/kg,每日两次,连续14天)较溶媒组延长生存期30%。骨髓分析显示白血病原始细胞比例从85%降至40%,Western blot显示Pim-1蛋白减少45% [4] |
| 酶活实验 |
放射性Pim-1激酶实验:将重组人Pim-1蛋白与合成肽底物(RRRVSYRRR)及[γ-³²P]-ATP(10 μM)共同孵育于激酶缓冲液(25 mM Tris-HCl pH 7.5、10 mM MgCl₂、1 mM DTT)中。加入系列稀释的SGI-1776(0.1 nM–1 μM),30°C孵育30分钟。将磷酸化肽点样于P81磷酸纤维素纸上,洗涤后通过液体闪烁计数仪检测放射性,采用四参数逻辑回归计算IC50 [4]
- Pim-2/Pim-3活性实验:采用与Pim-1相同的实验方案,使用重组Pim-2/Pim-3及其对应肽底物,测得IC50分别为Pim-2 36 nM、Pim-3 66 nM [4] |
| 细胞实验 |
SACC-83细胞增殖与凋亡实验:将SACC-83细胞以5×10³个细胞/孔接种于96孔板,用SGI-1776(5 μM–30 μM)处理48小时;MTT法检测活力并计算IC50。凋亡检测时,用Annexin V-FITC/PI染色细胞并通过流式细胞术分析;Western blot检测p-Bad、切割型caspase-3及GAPDH [1]
- 3T3-L1脂肪分化实验:将3T3-L1前脂肪细胞接种于24孔板,用胰岛素/地塞米松/IBMX联合SGI-1776(10 μM、20 μM)处理8天诱导分化。油红O染色定量脂肪积累(510 nm处吸光度);qRT-PCR检测PPARγ/C/EBPα mRNA,Western blot检测Pim-1 [2] - AML细胞凋亡实验:将MV4-11细胞以2×10⁵个细胞/孔接种于6孔板,用SGI-1776(1 μM–10 μM)处理48小时。Annexin V-FITC/PI染色通过流式细胞术分析凋亡;Western blot检测p-Stat3、切割型PARP及GAPDH [4] |
| 动物实验 |
Dissolved in 5% dextrose; 75, 200 mg/kg; oral administration Female cNOD-SCID mice
Ovarian Cancer Xenograft Model: Female nude mice (6 weeks old) were subcutaneously implanted with 5×10⁶ SKOV3 cells. When tumors reached ~100 mm³, mice were randomized into 2 groups (n=6/group): vehicle (DMSO + saline), SGI-1776 100 mg/kg. The drug was dissolved in vehicle and administered intraperitoneally once daily for 21 days. Tumor volume was measured every 3 days (volume = length × width² / 2), and tumors were excised for weight and immunohistochemistry [3] - AML Mouse Model: NOD/SCID mice (8 weeks old) were intravenously injected with 1×10⁶ MV4-11 cells. After 7 days, mice were randomized into 2 groups (n=8/group): vehicle (0.5% methylcellulose), SGI-1776 50 mg/kg. The drug was formulated in vehicle and administered orally twice daily for 14 days. Survival was monitored daily, and bone marrow was collected for leukemic blast counting and Western blot [4] |
| 药代性质 (ADME/PK) |
In male C57BL/6 mice, oral SGI-1776 (50 mg/kg) had an oral bioavailability of 22%, maximum plasma concentration (Cmax) of 1.8 μM, time to Cmax (Tmax) of 1.5 hours, and terminal half-life (t₁/₂) of 3.2 hours [4]
- Intravenous SGI-1776 (10 mg/kg) in mice showed a clearance (CL) of 18 mL/min/kg and steady-state volume of distribution (Vss) of 0.8 L/kg [4] - The plasma protein binding rate of SGI-1776 in human plasma was 95%, determined via equilibrium dialysis [4] |
| 毒性/毒理 (Toxicokinetics/TK) |
In AML mice treated with SGI-1776 (50 mg/kg, 14 days), no significant changes in body weight, food intake, or serum ALT/AST/creatinine were observed. Liver/kidney histology showed no inflammation or necrosis [4]
- In SKOV3 xenograft mice, SGI-1776 (100 mg/kg, 21 days) caused mild leukopenia (white blood cell count reduced by 15%) but no other hematological or organ toxicity [3] - In normal human peripheral blood mononuclear cells (PBMCs), SGI-1776 (up to 20 μM) showed <10% cytotoxicity, indicating selective toxicity to cancer cells [4] |
| 参考文献 |
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| 其他信息 |
N-[(1-methyl-4-piperidinyl)methyl]-3-[3-(trifluoromethoxy)phenyl]-6-imidazo[1,2-b]pyridazinamine is a member of imidazoles.
SGI-1776 has been used in trials studying the treatment of Prostate Cancer, Non-Hodgkins Lymphoma, and Relapsed/Refractory Leukemias. PIM Kinase Inhibitor SGI-1776 is a small-molecule pan-PIM protein kinase inhibitor with potential antineoplastic activity. PIM kinase inhibitor SGI-1776 binds to and inhibits the activities of PIM-1, -2 and -3 serine/threonine kinases, which may result in the interruption of the G1/S phase cell cycle transition, the expression of pro-apoptotic Bcl2 proteins and tumor cell apoptosis. PIM kinases play key roles in cell cycle progression and apoptosis inhibition and may be overexpressed in various malignancies. SGI-1776 is a first-in-class selective Pim kinase inhibitor, developed for the treatment of hematological malignancies (e.g., AML) and solid tumors (e.g., ovarian cancer, salivary gland cancer) [3][4] - Its mechanism involves inhibiting Pim kinase-mediated phosphorylation of downstream substrates: reducing p-Bad (anti-apoptotic protein) to promote apoptosis, downregulating p-c-Myc/p-Stat3 to inhibit cell proliferation, and suppressing adipogenic transcription factors (PPARγ/C/EBPα) in preadipocytes [1][2][3][4] - SGI-1776 showed favorable selectivity for Pim kinases over other oncogenic kinases, minimizing off-target effects, and demonstrated in vivo efficacy in xenograft models, supporting its potential as an anticancer agent [4] |
| 分子式 |
C20H22F3N5O
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|---|---|---|
| 分子量 |
405.42
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| 精确质量 |
405.177
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| CAS号 |
1025065-69-3
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| 相关CAS号 |
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| PubChem CID |
24795070
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| 外观&性状 |
White to yellow solid powder
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| 密度 |
1.4±0.1 g/cm3
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| 折射率 |
1.613
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| LogP |
3.36
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| tPSA |
57.92
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| 氢键供体(HBD)数目 |
1
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| 氢键受体(HBA)数目 |
8
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| 可旋转键数目(RBC) |
5
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| 重原子数目 |
29
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| 分子复杂度/Complexity |
529
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| 定义原子立体中心数目 |
0
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| InChi Key |
SXLKQFDJPFXMGV-UHFFFAOYSA-N
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| InChi Code |
InChI=1S/C20H22F3N5O/c1-27-10-8-14(9-11-27)12-24-18-6-7-19-25-13-17(28(19)26-18)15-2-4-16(5-3-15)29-20(21,22)23/h2-7,13-14H,8-12H2,1H3,(H,24,26)
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| 化学名 |
N-((1-methylpiperidin-4-yl)methyl)-3-(4-(trifluoromethoxy)phenyl)imidazo[1,2-b]pyridazin-6-amine.
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| 别名 |
SGI1776; SGI-1776; SGI 1776.
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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 |
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| 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) |
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| 溶解度 (体内实验) |
配方 1 中的溶解度: ≥ 2.08 mg/mL (5.13 mM) (饱和度未知) in 10% DMSO + 40% PEG300 + 5% Tween80 + 45% Saline (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 20.8 mg/mL澄清DMSO储备液加入400 μL PEG300中,混匀;然后向上述溶液中加入50 μL Tween-80,混匀;加入450 μL生理盐水定容至1 mL。 *生理盐水的制备:将 0.9 g 氯化钠溶解在 100 mL ddH₂O中,得到澄清溶液。 配方 2 中的溶解度: ≥ 2.08 mg/mL (5.13 mM) (饱和度未知) in 10% DMSO + 90% (20% SBE-β-CD in Saline) (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 20.8 mg/mL澄清DMSO储备液加入900 μL 20% SBE-β-CD生理盐水溶液中,混匀。 *20% SBE-β-CD 生理盐水溶液的制备(4°C,1 周):将 2 g SBE-β-CD 溶解于 10 mL 生理盐水中,得到澄清溶液。 View More
配方 3 中的溶解度: ≥ 2.08 mg/mL (5.13 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。 配方 4 中的溶解度: 30% propylene glycol, 5% Tween 80, 65% D5W:30mg/mL 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 | 2.4666 mL | 12.3329 mL | 24.6658 mL | |
| 5 mM | 0.4933 mL | 2.4666 mL | 4.9332 mL | |
| 10 mM | 0.2467 mL | 1.2333 mL | 2.4666 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) 。
| NCT Number | Recruitment | interventions | Conditions | Sponsor/Collaborators | Start Date | Phases |
| NCT01239108 | Withdrawn | Drug: SGI-1776 | Relapsed/Refractory Leukemias | Astex Pharmaceuticals, Inc. | October 2010 | Phase 1 |
| NCT00848601 | Terminated | Drug: SGI-1776 | Prostate Cancer Non-Hodgkins Lymphoma |
Astex Pharmaceuticals, Inc. | February 2009 | Phase 1 |
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