Cyclo(D-a-aspartyl-L-prolyl-D-valyl-L-leucyl-D-tryptophyl);BQ-123;C: DTRP-DASP-PRO-DVAL-LEU;Cyclo(-D-Trp-D-Asp-Pro-D-Val-Leu);BQ 123;BQ-123.Sodium Salt;BQ-518;D-TRP-D-ASP-PRO-D-VAL-LEU;M.W. 610.70 C31H42N6O7;BQ-123 SODIUM SALT
Cas No.
136553-81-6
分子式
C31H42N6O7
分子量
610.70
包装储存
Powder
-20°C
3 years
4°C
2 years
In solvent
-80°C
6 months
-20°C
1 month
生物活性
BQ-123 is a potent and selective endothelin A (ETA) receptor antagonist with an IC50 of 7.3 nM and a Ki of 25 nM. BQ-123 inhibits endothelin-1-mediated proliferation of human pulmonary artery smooth muscle cells and lowers blood pressure in different rat models of hypertension.
性状
Solid
IC50 & Target[1][2]
IC50: 7.3 nM (Endothelin A receptors)
Ki: 25 nM (Endothelin A receptors)
体内研究(In Vivo)
Sustained infusions of BQ-123 (0.16-164 nmol/kg per min, intravenously, for 6 h) produces dose-dependent reductions in mean arterial pressure in spontaneously hypertensive rats (SHR), the maximal reduction being obtained with a dose of 16 nmol/kg per min.
BQ-123 (3 mg/kg; i.v.; given 15 minutes before pentylenetetrazole (PTZ)) impedes the formation and spread of seizure to a great degree in PTZ (50 mg/kg; i.p.) +BQ-123 groups.
Medlife has not independently confirmed the accuracy of these methods. They are for reference only.
Animal Model:
Male Wistar albino rats
Dosage:
3 mg/kg
Administration:
Intravenous injection; given 15 minutes before PTZ