2. GPCR/G Protein Neuronal Signaling
  3. Opioid Receptor
  4. [Leu5]-Enkephalin, amide

[Leu5]-Enkephalin, amide  (Synonyms: Leu-Enkephalin amide)

製品番号: HY-P1470 純度: 99.76%
COA 取扱説明書 Technical Support

[Leu5]-Enkephalin, amide is a δ opioid receptor agonist.

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[Leu5]-Enkephalin, amide

[Leu5]-Enkephalin, amide 構造式

CAS 番号 : 60117-24-0

容量 価格（税別） 在庫状況 数量
5 mg $45 在庫あり
10 mg $70 在庫あり
25 mg $110 在庫あり
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100 mg   お問い合わせ  

* アイテムを追加する前、数量をご選択ください

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[Leu5]-Enkephalin, amide 関連抗体

Top Publications Citing Use of Products

Opioid Receptor アイソフォーム固有の製品をすべて表示:

すべてのアイソフォームを表示
μ Opioid Receptor/MOR κ Opioid Receptor/KOR δ Opioid Receptor/DOR NOP Receptor/ORL1

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製品説明

[Leu5]-Enkephalin, amide is a δ opioid receptor agonist.

IC50 & Target

δ opioid receptor[1]
Cellular Effect
Cell Line Type Value Description References
SH-SY5Y IC50
26.1 1
Compound: 6
Agonist activity at mu opioid receptor assessed as inhibition of forskolin-induced cAMP production in human SH-SY5Y cells pretreated for 24 hrs with DMEM medium after 15 mins
Agonist activity at mu opioid receptor assessed as inhibition of forskolin-induced cAMP production in human SH-SY5Y cells pretreated for 24 hrs with DMEM medium after 15 mins
[PMID: 18329886]
SH-SY5Y IC50
26.1 1
Compound: 6
Agonist activity at mu opioid receptor assessed as inhibition of forskolin-induced cAMP production in human SH-SY5Y cells pretreated for 24 hrs with DMEM medium after 15 mins
Agonist activity at mu opioid receptor assessed as inhibition of forskolin-induced cAMP production in human SH-SY5Y cells pretreated for 24 hrs with DMEM medium after 15 mins
[PMID: 18329886]
SH-SY5Y IC50
57.8 1
Compound: 6
Agonist activity at mu opioid receptor assessed as inhibition of forskolin-induced cAMP production in human SH-SY5Y cells pretreated for 24 hrs with excess ligand after 15 mins
Agonist activity at mu opioid receptor assessed as inhibition of forskolin-induced cAMP production in human SH-SY5Y cells pretreated for 24 hrs with excess ligand after 15 mins
[PMID: 18329886]
SH-SY5Y IC50
57.8 1
Compound: 6
Agonist activity at mu opioid receptor assessed as inhibition of forskolin-induced cAMP production in human SH-SY5Y cells pretreated for 24 hrs with excess ligand after 15 mins
Agonist activity at mu opioid receptor assessed as inhibition of forskolin-induced cAMP production in human SH-SY5Y cells pretreated for 24 hrs with excess ligand after 15 mins
[PMID: 18329886]
体外実験

[Leu5]-Enkephalin causes concentration-dependent, reversible inhibition of pelvic nerve-evoked contractions, with an IC50 value of 2.1 nM[2].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.

[Leu5]-Enkephalin, amide 関連抗体
体内実験

Levels of [Leu5]-Enkephalin are significantly increased in the nucleus raphe magnus (NRM) of rats 2 weeks after the injection of complete Freund's adjuvant (CFA) (1.02±0.2 pmol/mg protein) as compared with saline-treated rats (0.49±0.04 pmol/mg protein; p<0.01). Tissue levels of [Leu5]-Enkephalin are uniformly increased in the caudal ventrolateral periaqueductal gray (PAG) 4 hr (1.15±0.25 pmol/mg protein), 4 d (1.16±0.18 pmol/mg protein), and 2 weeks (1.18±0.17 pmol/mg protein) after the injection of CFA as compared with saline-treated rats (0.55±0.03 pmol/mg protein; p<0.05, all times). A smaller increase in the levels of [Leu5]-Enkephalin occurred in the rostral aspect of the ventrolateral PAG at all time points. Finally, levels of [Leu5]-Enkephalin are also increased in the contralateral microcellular tegmental nucleus 4 d after the injection of CFA (0.53±0.04 pmol/mg protein) compared with levels in saline-treated rats (0.38±0.02 pmol/mg protein; p<0.05)[1].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
分子量

554.64

分子式

C28H38N6O6
CAS 番号
Appearance

Solid

Color

White to off-white

Sequence

Tyr-Gly-Gly-Phe-Leu-NH2
Sequence Shortening

YGGFL-NH2
輸送条件

Room temperature in continental US; may vary elsewhere.
保管条件

polypeptide, sealed storage, away from moisture and light

*In solvent : -80°C, 6 months; -20°C, 1 month (polypeptide, sealed storage, away from moisture and light)
溶剤 & 溶解度
体外: 

DMSO : 100 mg/mL (180.30 mM; Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)

Preparing
Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 1.8030 mL 9.0149 mL 18.0297 mL
5 mM 0.3606 mL 1.8030 mL 3.6059 mL
10 mM 0.1803 mL 0.9015 mL 1.8030 mL
View the Complete Stock Solution Preparation Table

* Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture and light). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.

  • Molarity Calculator

  • Dilution Calculator

Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

Mass
=
Concentration
×
Volume
×
Molecular Weight *

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

一般には略語で表示されます：C1V1 = C2V2

濃度 （開始）

C1

×
体積 （開始）

V1

=
濃度 （終了）

C2

×
体積 （終了）

V2

体内:

Select the appropriate dissolution method based on your experimental animal and administration route.

For the following dissolution methods, please ensure to first prepare a clear stock solution using an In Vitro approach and then sequentially add co-solvents:
To ensure reliable experimental results, the clarified stock solution can be appropriately stored based on storage conditions. As for the working solution for in vivo experiments, it is recommended to prepare freshly and use it on the same day.
The percentages shown for the solvents indicate their volumetric ratio in the final prepared solution. If precipitation or phase separation occurs during preparation, heat and/or sonication can be used to aid dissolution.

  • Protocol 1

    Add each solvent one by one:  10% DMSO    40% PEG300    5% Tween-80    45% Saline

    Solubility: ≥ 2.08 mg/mL (3.75 mM); Clear solution

    This protocol yields a clear solution of ≥ 2.08 mg/mL (saturation unknown).

    Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (20.8 mg/mL) to 400 μL PEG300, and mix evenly; then add 50 μL Tween-80 and mix evenly; then add 450 μL Saline to adjust the volume to 1 mL.

    Preparation of Saline: Dissolve 0.9 g sodium chloride in ddH₂O and dilute to 100 mL to obtain a clear Saline solution.
  • Protocol 2

    Add each solvent one by one:  10% DMSO    90% (20% SBE-β-CD in Saline)

    Solubility: ≥ 2.08 mg/mL (3.75 mM); Clear solution

    This protocol yields a clear solution of ≥ 2.08 mg/mL (saturation unknown).

    Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (20.8 mg/mL) to 900 μL 20% SBE-β-CD in Saline, and mix evenly.

    Preparation of 20% SBE-β-CD in Saline (4°C, storage for one week): 2 g SBE-β-CD powder is dissolved in 10 mL Saline, completely dissolve until clear.
In Vivo Dissolution Calculator
Please enter the basic information of animal experiments:

Dosage

mg/kg

Animal weight
(per animal)

g

Dosing volume
(per animal)

μL

Number of animals

Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.
Please enter your animal formula composition:
%
DMSO +
% 
+
%
Tween-80 +
%
Saline
Recommended: Keep the proportion of DMSO in working solution below 2% if your animal is weak.
The co-solvents required include: DMSO, . All of co-solvents are available by MedChemExpress (MCE). , Tween 80. All of co-solvents are available by MedChemExpress (MCE).
Calculation results:
Working solution concentration: mg/mL
Method for preparing stock solution: mg drug dissolved in μL  DMSO (Stock solution concentration: mg/mL).

*In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture and light)

The concentration of the stock solution you require exceeds the measured solubility. The following solution is for reference only. If necessary, please contact MedChemExpress (MCE).
Method for preparing in vivo working solution for animal experiments: Take μL DMSO stock solution, add μL . μL , mix evenly, next add μL Tween 80, mix evenly, then add μL Saline.
 If the continuous dosing period exceeds half a month, please choose this protocol carefully.
Please ensure that the stock solution in the first step is dissolved to a clear state, and add co-solvents in sequence. You can use ultrasonic heating (ultrasonic cleaner, recommended frequency 20-40 kHz), vortexing, etc. to assist dissolution.
純度とドキュメンテーション
参考文献

Complete Stock Solution Preparation Table

* Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture and light). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.

Optional Solvent Concentration Solvent Mass 1 mg 5 mg 10 mg 25 mg
DMSO 1 mM 1.8030 mL 9.0149 mL 18.0297 mL 45.0743 mL
5 mM 0.3606 mL 1.8030 mL 3.6059 mL 9.0149 mL
10 mM 0.1803 mL 0.9015 mL 1.8030 mL 4.5074 mL
15 mM 0.1202 mL 0.6010 mL 1.2020 mL 3.0050 mL
20 mM 0.0901 mL 0.4507 mL 0.9015 mL 2.2537 mL
25 mM 0.0721 mL 0.3606 mL 0.7212 mL 1.8030 mL
30 mM 0.0601 mL 0.3005 mL 0.6010 mL 1.5025 mL
40 mM 0.0451 mL 0.2254 mL 0.4507 mL 1.1269 mL
50 mM 0.0361 mL 0.1803 mL 0.3606 mL 0.9015 mL
60 mM 0.0300 mL 0.1502 mL 0.3005 mL 0.7512 mL
80 mM 0.0225 mL 0.1127 mL 0.2254 mL 0.5634 mL
100 mM 0.0180 mL 0.0901 mL 0.1803 mL 0.4507 mL
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[Leu5]-Enkephalin, amide Related Classifications

  • Molarity Calculator

  • Dilution Calculator

The molarity calculator equation

Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

質量   濃度   体積   分子量 *
= × ×

The dilution calculator equation

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

一般には略語で表示されます：C1V1 = C2V2

濃度 （開始） × 体積 （開始） = 濃度 （終了） × 体積 （終了）
× = ×
C1   V1   C2   V2
Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

Keywords:

[Leu5]-Enkephalin, amide60117-24-0Leu-Enkephalin amideOpioid ReceptorInhibitorinhibitorinhibit

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製品名:
[Leu5]-Enkephalin, amide
製品番号:
HY-P1470
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