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Acalabrutinib

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Chemical Structure| 1420477-60-6 同义名 : ACP-196
CAS号 : 1420477-60-6
货号 : A141995
分子式 : C26H23N7O2
纯度 : 98%
分子量 : 465.507
MDL号 : MFCD29472294
存储条件:

粉末 Keep in dark place,Inert atmosphere,2-8°C

液体 -20°C:3-6个月-80°C:12个月

溶解度 :

DMSO: 120 mg/mL(257.78 mM),配合低频超声助溶,注意:DMSO长时间开封后,会吸水并导致溶解能力下降,请避免使用长期开封的DMSO

动物实验配方:

IP 2% DMSO+2% Tween80+30% PEG300+water 6 mg/mL clear

PO 0.5% CMC-Na 50 mg/mL suspension

生物活性
靶点
  • BTK

    BTK, IC50:3nM

描述 Acalabrutinib is a potent and selective Bruton’s Tyrosine Kinase (BTK) inhibitor with IC50 of 3.0 nM[3], it can bind covalently to C481 in the ATP pocket of BTK irreversibly and then inhibit the BCR signal pathway without effect on EGFR, ITK or TEC signaling[4]. Acalabrutinib could decrease the surface expression of CD86 and CD69 in ex vivo at the doses of 0.34 - 1.8 mg/kg and 0.16 - 1.3 mg/kg respectively. Acalabrutinib also showed other related immune regulation including decreases NK cytolytic function, IFNgamma production and Th cell development[3]. Other study shows that, acalabrutinib inhibits platelet aggregation by plaque with IC50 values of 0.34 ± 0.19 µM through targeting GPIb and GPVI signaling, thus block atherosclerotic plaque-triggered thrombus formation and retaining hemostasis of platelets[5]. In vivo, treatment with acalabrutinib orally at a dose of 12.5 mg/kg twice daily (BID) resulted in tumor growth inhibition in models of diffuse large B cell lymphoma (OCI-LY10) and mantle cell lymphoma (Jeko-1). In OCI-LY10 xenograft model, tumor growth was significantly reduced by acalabrutinib for 28 days[3]. Acalabrutinib has improved pharmacologic features, including favorable plasma exposure, rapid oral absorption, a short half-life, and the absence of irreversible targeting to alternative kinases. The only clinical study of rheumatoid arthritis commerced in April 2015 and in a 4 weeks study in 70 patients stable on methotrexate[6]. What's more, acalabrutinib was granted accelerated approval by FDA for patients with relapsed or refractory mantle cell lymphoma who have received at least one previous therapy.
作用机制 Acalabrutinib is a Bruton’s Tyrosine Kinase (BTK) inhibitor which forms a covalent bond with cysteine residue (Cys481) in the BTK active site, leading to inhibition of BTK enzymatic activity, and acalabrutinib appears to have fewer effects than ibrutinib on platelets in aggregometry assays[3].
实验方案
1mg 5mg 10mg

1 mM

5 mM

10 mM

2.15mL

0.43mL

0.21mL

10.74mL

2.15mL

1.07mL

21.48mL

4.30mL

2.15mL

参考文献

[1]Acalabrutinib

[2]374(4):323-32.

[3]Acalabrutinib

[4]Byrd JC, Harrington B, O'Brien S, Jones JA, Schuh A, Devereux S, Chaves J, Wierda WG, Awan FT, Brown JR, Hillmen P, Stephens DM, Ghia P, Barrientos JC, Pagel JM, Woyach J, Johnson D, Huang J, Wang X, Kaptein A, Lannutti BJ, Covey T, Fardis M, McGreivy J, Hamdy A, Rothbaum W, Izumi R, Diacovo TG, Johnson AJ, Furman RR. Acalabrutinib (ACP-196) in Relapsed Chronic Lymphocytic Leukemia. N Engl J Med. 2016 Jan 28;374(4):323-32.