PAR-4 Agonist Peptide, amide (AY-NH2)
(Synonyms: PAR-4-AP; AY-NH2) 目录号 : GC15817
PAR-4 Agonist Peptide, amide(AY-NH2) (PAR-4-AP; AY-NH2) 是一种蛋白酶激活的受体 4 (PAR-4) 激动剂，对 PAR-1 或 PAR- 均无影响2 并且其作用被 PAR-4 拮抗剂阻断。
Cas No.:352017-71-1
Sample solution is provided at 25 µL, 10mM.
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AY-NH2 is a selective agonist of PAR4 with EC50 value of 11 μM [1].
Protease-activated receptor-4 (PAR4) is a member of PARs and plays an important role in mediating cellular effects of thrombin through acting G-proteins i, 12/13 (Rho and Ras activation) and q (calcium signaling) [2].
AY-NH2 is a potent PAR4 agonist and has a higher (~10 fold) activity than GYPGKF-NH2. Using rat platelet aggregation assay, it was shown that AY-NH2 had highly platelet aggregation ability than GY-NH2 and GF-NH2 [1]. When tested with platelet-rich plasma harvested from wild-type C57BL6 mice, AY-NH2 treatment exhibited highly agonist activity on PAR4 while had no effect on other PARs [3].
In male Wistar rats model of paw oedema, i.pl. injection of AY-NH2 markedly reduced the nociceptive score in response to both noxious and non-noxious mechanical stimuli, thus inhibiting carrageenan-induced mechanical hyperalgesia and allodynia [4].
References:
[1]. Hollenberg, M.D., et al., Proteinase-activated receptor-4: evaluation of tethered ligand-derived peptides as probes for receptor function and as inflammatory agonists in vivo. Br J Pharmacol, 2004. 143(4): p. 443-54.
[2]. Yu, G., et al., Increased expression of protease-activated receptor 4 and Trefoil factor 2 in human colorectal cancer. PLoS One, 2015. 10(4): p. e0122678.
[3]. Faruqi, T.R., et al., Structure-function analysis of protease-activated receptor 4 tethered ligand peptides. Determinants of specificity and utility in assays of receptor function. J Biol Chem, 2000. 275(26): p. 19728-34.
[4]. Asfaha, S., et al., Protease-activated receptor-4: a novel mechanism of inflammatory pain modulation. Br J Pharmacol, 2007. 150(2): p. 176-85.
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Animal experiment: |
Mice[1]SCID mice Male SCID mice and their BALB/cBy controls are operated as C57BL/6J mice, and on the 4th postoperative day mice receive intracolonically (IC) infusion of 100 μg PAR-4-AP or vehicle. Visceral pain measurements started 1 h following the end of infusion[1]. |
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References: [1]. Annaházi A, et al. Proteinase-activated receptor-4 evoked colorectal analgesia in mice: an endogenously activatedfeed-back loop in visceral inflammatory pain. Neurogastroenterol Motil. 2012 Jan;24(1):76-85, e13. |
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| Cas No. | 352017-71-1 | SDF | |
| 别名 | PAR-4-AP; AY-NH2 | ||
| 化学名 | (S,Z)-N-((Z)-2-(((S,Z)-6-amino-1-hydroxy-1-(((S)-1-hydroxy-1-imino-3-phenylpropan-2-yl)imino)hexan-2-yl)imino)-2-hydroxyethyl)-1-((S)-2-((Z)-((S)-2-amino-1-hydroxypropylidene)amino)-3-(4-hydroxyphenyl)propanoyl)pyrrolidine-2-carbimidic acid | ||
| Canonical SMILES | C[C@@](N)([H])/C(O)=N/[C@@](C(N1CCC[C@@]1([H])/C(O)=N/C/C(O)=N/[C@@](/C(O)=N/[C@@](C(O)=N)([H])CC2=CC=CC=C2)([H])CCCCN)=O)([H])CC3=CC=C(O)C=C3 | ||
| 分子式 | C34H48N8O7 | 分子量 | 680.8 |
| 溶解度 | DMSO : 100 mg/mL (146.89 mM; Need ultrasonic) | 储存条件 | Desiccate at -20°C |
| General tips | 请根据产品在不同溶剂中的溶解度选择合适的溶剂配制储备液；一旦配成溶液，请分装保存，避免反复冻融造成的产品失效。 储备液的保存方式和期限：-80°C 储存时，请在 6 个月内使用，-20°C 储存时，请在 1 个月内使用。 为了提高溶解度，请将管子加热至37℃，然后在超声波浴中震荡一段时间。 |
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| Shipping Condition | 评估样品解决方案：配备蓝冰进行发货。所有其他可用尺寸：配备RT，或根据请求配备蓝冰。 | ||
| 制备储备液 | |||
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1 mg | 5 mg | 10 mg |
| 1 mM | 1.4689 mL | 7.3443 mL | 14.6886 mL |
| 5 mM | 0.2938 mL | 1.4689 mL | 2.9377 mL |
| 10 mM | 0.1469 mL | 0.7344 mL | 1.4689 mL |
| 第一步：请输入基本实验信息（考虑到实验过程中的损耗，建议多配一只动物的药量） | ||||||||||
| 给药剂量 | mg/kg |  |
动物平均体重 | g | |
每只动物给药体积 | ul | |
动物数量 | 只 |
| 第二步：请输入动物体内配方组成（配方适用于不溶于水的药物；不同批次药物配方比例不同，请联系GLPBIO为您提供正确的澄清溶液配方） | ||||||||||
| % DMSO % % Tween 80 % saline | ||||||||||
| 计算重置 | ||||||||||
计算结果:
工作液浓度： mg/ml；
DMSO母液配制方法： mg 药物溶于 μL DMSO溶液（母液浓度 mg/mL，
体内配方配制方法：取 μL DMSO母液，加入 μL PEG300，混匀澄清后加入μL Tween 80，混匀澄清后加入 μL saline，混匀澄清。
1. 首先保证母液是澄清的；
2.
一定要按照顺序依次将溶剂加入，进行下一步操作之前必须保证上一步操作得到的是澄清的溶液，可采用涡旋、超声或水浴加热等物理方法助溶。
3. 以上所有助溶剂都可在 GlpBio 网站选购。
Quality Control & SDS
- View current batch:
- Purity: >98.00%
- COA (Certificate Of Analysis)
- SDS (Safety Data Sheet)
- Datasheet