Dermorphin
(Synonyms: 皮啡肽) 目录号 : GC31168
An opioid peptide
Cas No.:77614-16-5
Sample solution is provided at 25 µL, 10mM.
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Dermorphin is an opioid peptide originally isolated from the skin of South American frogs (Ph. sauvagei).1 It binds to μ-opioid receptors (Ki = 0.54 nM) and is selective for μ- over δ-opioid receptors in radioligand binding assays (Ki = 929 nM). In vivo, dermorphin (1.9 ?mol/kg, i.p.) inhibits noxious stimuli-induced neuronal firing in the nucleus lateralis anterior and ventrobasal complex in rats.2 It inhibits the electrical stimulation-induced C fiber response in rat dorsal horn nociceptive neurons. Dermorphin (10-120 pmol/animal, i.c.v.) delays gastric emptying, inhibits gastric acid secretion, and slows colonic motility in pylorus-ligated rats.
1.Usenko, A.B., Emel'yanova, T.G., and MIasoedov, N.F.Dermorphins are natural opioids with an unique primary structure that determines their biological specificityBiol. Bull. Russ. Acad. Sci.29154-164(2002) 2.Melchiorri, P., and Negri, L.The dermorphin peptide familyGen. Pharmacol.27(7)1099-1107(1996)
Kinase experiment: | Membrane protein (40 μg) is incubated in 0.5 mL volume of 50 mM Tris, 0.2 mM EGTA, 1 mM MgCl2, 100 mM NaCl, 0.1% BSA, 0.15 mM bacitracin; pH 7.4, GDP (33 μM), and ∼150 pM GTPγ[35S]. Varying concentrations of reference ligands (Dermorphin, N/OFQ, Dynorphin-A and Leu-enkephalin) or DeNo (1 pM-10 μM) is added prior to incubation. Non-specific binding is determined in the presence of unlabeled GTPγS (10 μM). Samples are incubated at 30°C for 1 h with gentle agitation. Reactions are terminated by vacuum filtration through dry Whatman GF/B filters, using a Brandel harvester[2]. |
References: [1]. Tiwari V, et al. Activation of Peripheral μ-opioid Receptors by Dermorphin [D-Arg2, Lys4] (1-4) Amide Leads to Modality-preferred Inhibition of Neuropathic Pain. Anesthesiology. 2016 Mar;124(3):706-20. | |
| Cas No. | 77614-16-5 | SDF | |
| 别名 | 皮啡肽 | ||
| Canonical SMILES | Tyr-{d-Ala}-Phe-Gly-Tyr-Pro-Ser-NH2 | ||
| 分子式 | C40H50N8O10 | 分子量 | 802.87 |
| 溶解度 | H2O : 120 mg/mL (149.46 mM; Need ultrasonic) | 储存条件 | Store 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 | 1.2455 mL | 6.2277 mL | 12.4553 mL |
| 5 mM | 0.2491 mL | 1.2455 mL | 2.4911 mL |
| 10 mM | 0.1246 mL | 0.6228 mL | 1.2455 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: >99.50%
- COA (Certificate Of Analysis)
- SDS (Safety Data Sheet)
- Datasheet