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• 产品描述： Voxelotor (GBT 440) is a potent inhibitor of haemoglobin S (HbS) polymerization. Voxelotor has the potential for sickle cell disease (SCD) treatment

• 靶点： HbS polymerization

• 体外研究： Voxelotor (GBT440) binds to the N-terminal a chain of haemoglobin (Hb), increases haemoglobin S (HbS) affinity for oxygen, delays in vitro HbS polymerization and prevents sickling of red blood cells (RBCs)

• 体内研究： Voxelotor (GBT440; 100-150 mg/kg; administered twice a day by oral gavage for 9-12 days) reduces ex vivo sickling and prolongs red blood cells (RBCs) half-life in a murine model of sickle cell disease (SCD). Voxelotor shows T1/2s of 11.7, 19.1±1.5, 66.0±11, 28.8±4.0 hours for mouse (70 mg/kg; i.v.), rat (1.6 mg/kg; i.v.), dog (1 mg/kg; i.v.), and momkey (1 mg/kg; i.v.), respectively. Voxelotor shows Cmaxs of 81.9, 71.2±6.0, 5.56±1.6, and 25.2±5.5 μg/mL for mouse (30 mg/kg; p.o.), rat (7.2 mg/kg; p.o.), dog (2.5 mg/kg; p.o.), and momkey (4.25 mg/kg; p.o.), respectively. Animal Model: HbSS Townes knock-in sickle mice (SS mice) Dosage: 100 and 150 mg/kg Administration: Oral administration; twice a day; for 9-12 days Result: Reduced haemolysis. Animal Model: C57BL/6J mice, Sprague-Dawley rats, Beagle dogs and Cynomolgus monkeys Dosage: 70, 1.6, 1 and 1 mg/kg for mice, rats, dogs and monkeys, respectively30, 7.2, 2.5 and 4.25 mg/kg for mice, rats, dogs and monkeys, respectively Administration: Intravenous (IV: 70, 1 6, 1 and 1 mg/kg, respectively)Oral (PO: 30, 7 2, 2 5 and 4 3 mg/kg, respectively) Result: T1/2s of 11.7, 19.1±1.5, 66.0±11, 28.8±4.0 hours for mouse (70 mg/kg; i.v.), rat (1.6 mg/kg; i.v.), dog (1 mg/kg; i.v.), and momkey (1 mg/kg; i.v.), respectively.Cmaxs of 81.9, 71.2±6.0, 5.56±1.6, and 25.2±5.5 μg/mL for mouse (30 mg/kg; p.o.), rat (7.2 mg/kg; p.o.), dog (2.5 mg/kg; p.o.), and momkey (4.25 mg/kg; p.o.), respectively.

• 参考文献：
  1. Oksenberg D, et al. GBT440 increases haemoglobin oxygen affinity, reduces sickling and prolongs RBC half-life in a murine model of sickle cell disease. Br J Haematol. 2016 Oct;175(1):141-53. 2. Metcalf B, Chuang C, Dufu K, et al. Discovery of GBT440, an Orally Bioavailable R-State Stabilizer of Sickle Cell Hemoglobin. ACS Med Chem Lett. 2017;8(3):321-326.

• 溶解性： Soluble  in  DMSO

• 保存条件： -20℃

• 配置溶液浓度参考：
  

  	1mg	5mg	10mg
  1 mM	2.964 ml	14.82 ml	29.641 ml
  5 mM	0.593 ml	2.964 ml	5.928 ml
  10 mM	0.296 ml	1.482 ml	2.964 ml
  50 mM	0.059 ml	0.296 ml	0.593 ml

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本计算器可帮助您计算出特定溶液中溶质的质量、溶液浓度和体积之间的关系，公式为：

质量 (mg) = 浓度 (mM) x 体积 (mL) x 分子量 (g/mol)

• pg ng μg mg g kg =
  fM pM nM μM mM M *
  nL μL mL L *