| 体内研究: |
YM022 (intravenous injection; 0.01-1 μM/kg) dose-dependently inhibits pentagastrin- and peptone meal-induced acid secretion with ED50 values of 0.0261 and 0.0654 μmol/kg, respectively, without affecting histamine- or methacholine-induced acid secretion. YM022 (subcutaneous injection; 300 μmol/kg; single dose) lowers the oxyntic mucosal HDC activity and raises the serum gastrin concentration in a dose-dependent manner (measured 24 h after dosage). Maximum enzyme inhibition is achieved at a dose of 300 μmol/kg for YM022 and the inhibition of HDC lasts for 4 weeks. At sacrifice, drug residues can be seen at the injection site for as long as 4 (YM022) weeks after injection in rat. YM022 is suspended in 2% Methocel for oral ingestion and in PEG300 for subcutaneous injection. |
| 参考文献: |
1. Nishida A, et al. Pharmacological profile of (R)-1-[2,3-dihydro-1-(2'-methylphenacyl)-2-oxo- 5-phenyl-1H-1,4-benzodiazepin-3-yl]-3-(3-methylphenyl)urea (YM022), a new potent and selective gastrin/cholecystokinin-B receptor antagonist, in vitro and in vivo.J Pharmacol Exp Ther. 1994 May;269(2):725-31. 2. Kitano M, et al. Long-lasting cholecystokinin(2) receptor blockade after a single subcutaneous injection of YF476 or YM022.Br J Pharmacol. 2000 Jun;130(3):699-705. 3. Beinborn M, et al. Small synthetic ligands of the cholecystokinin-B/gastrin receptor can mimic the function of endogenous peptide hormones.Yale J Biol Med. 1998 May-Aug;71(3-4):337-46. |
| 保存条件: |
-80℃(运输条件:冰袋低温运输) |
| 配置溶液浓度参考: |
|
1mg |
5mg |
10mg |
| 1 mM |
1.936 ml |
9.679 ml |
19.358 ml |
| 5 mM |
0.387 ml |
1.936 ml |
3.872 ml |
| 10 mM |
0.194 ml |
0.968 ml |
1.936 ml |
| 50 mM |
0.039 ml |
0.194 ml |
0.387 ml |
|
| 注意: |
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