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pGlu-Ala-Asp-Pro-Asn-Lys-Phe-Tyr-Pro(spiro-γ-lactam-Leu-Trp-NH2

更新时间:2024-01-10 14:06:43

pGlu-Ala-Asp-Pro-Asn-Lys-Phe-Tyr-Pro(spiro-γ-lactam-Leu-Trp-NH2结构式
pGlu-Ala-Asp-Pro-Asn-Lys-Phe-Tyr-Pro(spiro-γ-lactam-Leu-Trp-NH2结构式
品牌特惠专场
常用名 pGlu-Ala-Asp-Pro-Asn-Lys-Phe-Tyr-Pro(spiro-γ-lactam-Leu-Trp-NH2 英文名 GR 82334
CAS号 129623-01-4 分子量 1386.55000
密度 N/A 沸点 N/A
分子式 C69H91N15O16 熔点 N/A
MSDS 美版 闪点 N/A

 用途


GR 82334 是一种有效的、特异性的可逆速激蛋白 NK1 受体 (tachykinin NK1 receptor) 拮抗剂。GR 82334 通过阻断 NK1 受体的作用,抑制大鼠神经肽 P 物质诱导的致敏作用。

 名称

中文名 pGlu-Ala-Asp-Pro-Asn-Lys-Phe-Tyr-Pro(spiro-γ-lactam-Leu-Trp-NH2
英文名 3-Bromocytisine

 生物活性

描述 GR 82334 是一种有效的、特异性的可逆速激蛋白 NK1 受体 (tachykinin NK1 receptor) 拮抗剂。GR 82334 通过阻断 NK1 受体的作用,抑制大鼠神经肽 P 物质诱导的致敏作用。
相关类别
体内研究 GR 82334(鞘内给药;0.1 nmol-1 nmol)在1 nmol但不在0.1 nmol时刺激大鼠无名膀胱,并且局部应用辣椒素(4μg/50μl)可降低反射性化学伤害性[1]。GR 82334(10 nM-1µM;在椎骨L4和L5之间注射)在10 nM处对两种动物都没有影响,在剂量>100 nM时增加小鼠热诱导的足部退缩潜伏期,但在裸鼹鼠中没有这种增加,剂量>100 nM引起潜伏期缩短的趋势[2]。动物模型:3-6月龄雄性C57BL/6小鼠和6-18月龄裸鼹鼠[2]剂量:10nm,100nm,1µM给药:L4和L5椎骨间注射。结果:小鼠热诱导的足退缩潜伏期增加。
参考文献

[1]. A Lecci,et al.Effect of the NK-1 receptor antagonist GR 82,334 on reflexly-induced bladder contractions. Life Sci

[2]. Antje Brand, et al.  Functional neurokinin and NMDA receptor activity in an animal naturally lacking substance P: the naked mole-rat.PLoS One. 2010 Dec 21;5(12):e15162.

 物理化学性质

分子式 C69H91N15O16
分子量 1386.55000
精确质量 1385.68000
PSA 479.25000
LogP 3.53680

 安全信息

个人防护装备 Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
危险品运输编码 NONH for all modes of transport

 文献29

更多文献
Effect of tachykinins on ascending and descending reflex pathway in rat small intestine.

Acta Pharmacol. Sin. 23(4) , 289-95, (2002)

To examine the effect of tachykinins on the ascending reflex pathway in rat small intestine, we used different selective neurokinin (NK) receptor antagonists (RA): a) NK1-RA: GR-82334 and CP-96.345, b...

Substance P modulates localized calcium transients and membrane current responses in murine colonic myocytes.

Br. J. Pharmacol. 138(7) , 1233-43, (2003)

1. Neurokinins contribute to the neural regulation of gastrointestinal (GI) smooth muscles. We studied responses of murine colonic smooth muscle cells to substance P (SP) and NK(1) and NK(2) agonists ...

Characterization of receptors for two Xenopus gastrointestinal tachykinin peptides in their species of origin.

Naunyn Schmiedebergs Arch. Pharmacol. 370(1) , 35-45, (2004)

Two tachykinin peptides, bufokinin and Xenopus neurokinin A (X-NKA) were recently isolated from Xenopus laevis. In this study we investigated the tachykinin receptors in the Xenopus gastrointestinal t...

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