| 规格 | 价格 | 库存 | 数量 |
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| 10mg |
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| 靶点 |
KRAS(G12D); Zoldonrasib (RMC-9805) is a first-in-class, mutant-selective, covalent inhibitor targeting KRAS G12D (ON state). It binds irreversibly to the GDP-bound (inactive) form of KRAS G12D, locking it in an inactive conformation. [2]
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| 体外研究 (In Vitro) |
RMC-9805是一种小分子化合物,通过形成共价三复合物RAS(ON)选择性靶向KRASG12D癌蛋白。RMC-9805已显示抑制KRASG12D突变癌症细胞中的RAS信号传导并诱导细胞凋亡。RMC-9805还可减少KRASG12D肿瘤细胞分泌免疫抑制细胞因子,同时促进淋巴细胞募集因子的分泌[2]。
在细胞实验中,RMC-9805 有效抑制KRAS G12D信号传导,减少下游ERK磷酸化(p-ERK),并在KRAS G12D突变癌细胞中诱导凋亡。[2] 增殖实验显示,RMC-9805 对KRAS G12D突变细胞具有选择性杀伤作用,而对野生型KRAS或其他KRAS突变变体影响较小。[2] |
| 体内研究 (In Vivo) |
口服RMC-9805可在免疫浸润的结直肠KRASG12D突变模型中产生持久的完全反应,并与抗PD-1协同作用。再挑战实验进一步证明RMC-9805诱导免疫记忆。RMC-9805的活性也在原位、免疫回避、GEMM衍生的PDAC临床前模型中进行了评估,该模型诱导了RAS信号的深度和持续抑制,推动了最初的肿瘤消退并显著延长了生存期。
体内用RMC-9805治疗的肿瘤显示出TME的显著转化,有利于抗肿瘤免疫,T细胞浸润增加,免疫抑制髓系细胞减少,包括M2样巨噬细胞和MDSC。RMC-9805还调节癌症细胞表面蛋白的表达,显著降低免疫检查点分子的表达,同时显著增加MHC-I的表达。来自肿瘤的T细胞和从治疗小鼠采集的血液的TCR测序显示,T细胞多样性显著增加,并且在所有KRASG12D(ON)抑制剂治疗的样品中共享的TCR克隆数量增加,这表明癌症相关抗原识别。 总体而言,在这些临床前实验中,RMC-9805表现出直接的抗肿瘤作用,并通过抑制癌症细胞内在的KRASG12D致癌信号间接转化TME。抑制突变KRAS诱导的抗原呈递、识别和T细胞浸润的增加可能为免疫导向的“伴侣”疗法提供更有利的环境,如检查点抑制剂、细胞疗法和/或疫苗[2]。 在临床前异种移植模型中,口服RMC-9805 显著抑制KRAS G12D驱动的肿瘤生长。与免疫检查点抑制剂(如抗PD-1)联用可增强抗肿瘤效果,提示与免疫治疗的潜在协同作用。[2] |
| 细胞实验 |
用RMC-9805处理KRAS G12D突变癌细胞系,通过Western blot检测下游信号(p-ERK),并通过标准增殖实验测定细胞活力。[2]
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| 动物实验 |
In mouse xenograft studies, RMC-9805 was administered orally (formulation details not specified) at defined doses. Tumor growth inhibition and pharmacodynamic markers (e.g., p-ERK suppression) were monitored. [2]
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| 药代性质 (ADME/PK) |
RMC-9805 demonstrated good oral bioavailability and sustained target binding in preclinical animal models. Detailed pharmacokinetic parameters (e.g., half-life, Cmax) were not disclosed. [2]
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| 毒性/毒理 (Toxicokinetics/TK) |
At effective doses, no significant toxicity was reported in preclinical models. However, further safety assessments (e.g., maximum tolerated dose) were not detailed. [2]
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| 参考文献 |
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| 其他信息 |
RMC-9805 is a novel covalent inhibitor that targets KRAS G12D(ON), unlike previous KRAS(G12C) inhibitors. Its mechanism of action is to capture KRAS G12D in an inactive state, thereby inhibiting downstream signaling. [2]
Preclinical data suggest that RMC-9805 has the potential for combination therapy with immunotherapy due to its enhanced neoantigen presentation. [2] Zoldonrasib is an orally bioavailable covalent ternary complex inhibitor that inhibits oncogenic KRAS gene G12D mutations and has potential antitumor activity. After oral administration, Zoldonrasib specifically targets and non-covalently binds to cyclosporine A to form a non-covalent binary complex, which then covalently and irreversibly binds to the active GTP-bound form of KRAS G12D (KRASG12D(ON)). This can prevent the activation of KRAS G12D-mediated signaling and downstream survival pathways. This leads to apoptosis in KRAS G12D-expressing tumor cells. Furthermore, the inhibitory effect of zodenlazib on the KRAS G12D signaling pathway can eliminate the inhibitory effect of the tumor microenvironment (TME) and enhance the anti-tumor immune response, thereby further inhibiting the proliferation of KRAS G12D-expressing tumor cells. KRAS is a member of the RAS oncogene family and plays an important role in cell signaling, division, and differentiation. KRAS mutations can induce constitutive signal transduction, leading to tumor cell proliferation, invasion, and metastasis. |
| 分子式 |
C63H88F3N11O7
|
|---|---|
| 分子量 |
1168.43754577637
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| 精确质量 |
1167.682
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| 元素分析 |
C, 64.76; H, 7.59; F, 4.88; N, 13.19; O, 9.58
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| CAS号 |
2922732-54-3
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| PubChem CID |
168201327
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| 外观&性状 |
White to off-white solid powder
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| LogP |
7.2
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| tPSA |
160
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| 氢键供体(HBD)数目 |
2
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| 氢键受体(HBA)数目 |
17
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| 可旋转键数目(RBC) |
12
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| 重原子数目 |
84
|
| 分子复杂度/Complexity |
2370
|
| 定义原子立体中心数目 |
8
|
| SMILES |
C[C@@H](C1=C(C=C(C=N1)N2CCN(CC2)C3CC3)C4=C5CC(COC(=O)[C@@H]6CCCN(N6)C(=O)[C@H](C[C@H]7CN(CCO7)C8=CC5=C(N4CC(F)(F)F)C=C8)NC(=O)[C@H](C9CCCC9)N1CC[C@@]2(C1)CCN(C2)C(=O)[C@H]1[C@H](N1C)C1CC1)(C)C)OC
|
| InChi Key |
VKNNQJWNUPSOEK-VCAAAJMFSA-N
|
| InChi Code |
InChI=1S/C63H88F3N11O7/c1-39(82-5)52-47(30-44(33-67-52)72-25-23-71(24-26-72)42-14-15-42)55-48-32-61(2,3)38-84-60(81)49-11-8-20-77(69-49)58(79)50(31-45-34-73(27-28-83-45)43-16-17-51(46(48)29-43)76(55)37-63(64,65)66)68-57(78)54(40-9-6-7-10-40)74-21-18-62(35-74)19-22-75(36-62)59(80)56-53(70(56)4)41-12-13-41/h16-17,29-30,33,39-42,45,49-50,53-54,56,69H,6-15,18-28,31-32,34-38H2,1-5H3,(H,68,78)/t39-,45-,49-,50-,53+,54-,56+,62-,70?/m0/s1
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| 化学名 |
(2S)-2-cyclopentyl-2-[(5S)-2-[(2R,3R)-3-cyclopropyl-1-methylaziridine-2-carbonyl]-2,7-diazaspiro[4.4]nonan-7-yl]-N-[(6S,8S,14S)-21-[5-(4-cyclopropylpiperazin-1-yl)-2-[(1S)-1-methoxyethyl]pyridin-3-yl]-18,18-dimethyl-9,15-dioxo-22-(2,2,2-trifluoroethyl)-5,16-dioxa-2,10,22,28-tetrazapentacyclo[18.5.2.12,6.110,14.023,27]nonacosa-1(26),20,23(27),24-tetraen-8-yl]acetamide
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| 别名 |
KRAS G12D inhibitor 18; 2922732-54-3; SCHEMBL26348957; RMC9805; RMC-9805; RMI-5921; 2922732-54-3; RMC 9805; Zoldonrasib; zoldonrasib [INN]; XJ52BWK3XE; SCHEMBL26348957;
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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 | 0.8558 mL | 4.2792 mL | 8.5584 mL | |
| 5 mM | 0.1712 mL | 0.8558 mL | 1.7117 mL | |
| 10 mM | 0.0856 mL | 0.4279 mL | 0.8558 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) 。