產品描述: | SB-222200 is a potent, selective, orally active and blood-brain barrier (BBB) penetrant NK-3 receptor antagonist. SB-222200 is developed for central nervous system (CNS) disorders |
靶點: |
NK3;Neurokininreceptor |
體外研究: |
SB-222200 inhibits 125I-[MePhe7]neurokinin B (NKB) binding to CHO cell membranes stably expressing the hNK-3 receptor (CHO-hNK-3R) with a Ki of 4.4 nM. SB-222200 antagonizes NKB-induced Ca2+ mobilization in HEK 293 cells stably expressing the hNK-3 receptor (HEK 293-hNK-3R) with an IC50 of 18.4 nM. SB-222200 is selective for hNK-3 receptors compared with hNK-1 (Ki>100,000 nM) and hNK-2 receptors (Ki=250 nM). SB-222200 (10 nM-1 μM) produces a concentration-dependent, surmountable inhibition of NKB-induced Ca2+ mobilization in HEK 293-hNK-3R cells. |
體內研究: |
SB-222200 (5 mg/kg; 30 min pretreatment) produces inhibition of behavioral responses induced by NK-3 receptor-selective agonist senktide (HY-P0187) in mice. SB-2222006 exhibits moderate oral bioavailability (rat 46%) and Cmax (rat 427 ng/mL) following oral administration (rat 10 mg/kg). SB-2222006 exhibits terminal elimination half-life (rat 1.9 h) due to high plasma clearance (56 mL/min/kg) following intravenous administration (rat 2.5 mg/kg). Animal Model: Male BALB/c mice (19-21 g) Dosage: 5 mg/kg Administration: Oral administration Result: Produced 57% inhibition of senktide-induced behavioral responses in mice. Animal Model: Male Sprague-Dawley rats (300-400 g) Dosage: 2.5 mg/kg for i.v.; 10 mg/kg for p.o. (Pharmacokinetic Analysis) Administration: Intravenous injection and oral gavage Result: Oral bioavailability (46%), T1/2 (1.9 h), Cmax (427 ng/mL). |
參考文獻: |
1. Sarau HM, et al. Nonpeptide tachykinin receptor antagonists. II. Pharmacological and pharmacokinetic profile of SB-222200, a central nervous system penetrant, potent and selective NK-3 receptor antagonist. J Pharmacol Exp Ther. 2000 Oct;295(1):373-81. |
溶解性: |
soluble in DMSO |
保存條件: |
-20℃ |
配置溶液濃度參考: |
|
1mg |
5mg |
10mg |
1 mM |
2.628 ml |
13.141 ml |
26.283 ml |
5 mM |
0.526 ml |
2.628 ml |
5.257 ml |
10 mM |
0.263 ml |
1.314 ml |
2.628 ml |
50 mM |
0.053 ml |
0.263 ml |
0.526 ml |
|
注意: |
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