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Orexin A (human, rat, mouse)
食欲素受体的内源性激动剂,Rat orexin A 是一种重要的神经肽,参与调节摄食,唤醒,消耗能量和寻求身体奖励
目录号: PC10836 纯度: ≥98%
CAS No. :205640-90-0
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中文名称
Orexin A (human, rat, mouse)
中文别名
牛食欲素 A;食欲素
英文名称
Orexin A (human, rat, mouse)
英文别名
OREXIN A (HUMAN, BOVINE, CANINE, MOUSE, OVINE, PORCINE, RAT);Orexin A;Orexin A (bovine, human, mouse, rat);Orexin A (human, mouse, rat);OREXIN A (HUMAN, RAT, MOUSE);Orexin-A (Human);Baicalin-7-glucoside;HYPOCRETIN;Hypocretin 1;M.W. 3561.12 C152H243N47O44S4;OREXIN A,BOVINE,HUMAN,MOUSE,RAT;OREXINS OREXIN A HUMAN,RAT,MOUSE;Oroxin A
Cas No.
205640-90-0
分子式
C152H247N47O44S4
分子量
3565.14
包装储存

Sealed storage, away from moisture

Powder -80°C 2 years
-20°C 1 year

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

生物活性

Orexin A (human, rat, mouse) (Hypocretin-1 (human, rat, mouse)), a 33 amino acid excitatory neuropeptide, orchestrates diverse central and peripheral processes. Orexin A (human, rat, mouse) is a specific, high-affinity agonist for G-protein-coupled receptor OX1R. Orexin A (human, rat, mouse) has a role in the regulation of feeding behavior. Orexin A (human, rat, mouse) is an effective anti-nociceptive and anti-hyperalgesic agent in mice and rats.

性状

Solid

IC50 & Target[1][2]

OX1 Receptor

 

体外研究(In Vitro)

Orexin A (human, rat, mouse) has high affinity for OX1R, with 38 nM IC50 and 34 nM EC50 values in the the [Ca]i transient assay.

Medlife has not independently confirmed the accuracy of these methods. They are for reference only.

体内研究(In Vivo)

Orexin A (human, rat, mouse) (3-30 mg/kg; i.v.; 5 min pre-test) significantly increases the latency to response at 10 and 30 mg/kg i.v. when given 5 min pre-test from 24.8±2.0 s in vehicle-treated mice to 35.0±3.7 s and 45.7±4.5 s, respectively.
Orexin A (human, rat, mouse) (3, 10 and 30 mg/kg; i.v.) was given immediately before phenylp-quinone (PPQ) and increases the latency to the first PPQ-induced constriction from 357.4±35.2 s in vehicle-treated mice to 500.3±31.2 s at 10 mg/kg and 594.5±5.5 s at 30 mg/kg.

Medlife has not independently confirmed the accuracy of these methods. They are for reference only.

Animal Model: Female mice (mouse carrageenan-induced thermal hyperalgesia test)
Dosage: 3, 10 and 30 mg/kg
Administration: i.v.; 5 min pre-test
Result: Significantly increased the latency to response at 10 and 30 mg/kg.
运输条件

Room temperature or refrigerated transportation.

储存方式

Sealed storage, away from moisture

Powder -80°C 2 years
-20°C 1 year

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

SequenceShortening

{Glp}-PLPDCCRQKTCSCRLYELLHGAGNHAAGILTL-NH2 (Disulfide bridge: Cys6-Cys12, Cys7-Cys14)

Solvent&Solubility
体外研究: 

H2O

Peptide Solubility and Storage Guidelines:

1.  Calculate the length of the peptide.

2.  Calculate the overall charge of the entire peptide according to the following table:

  Contents Assign value
Acidic amino acid Asp (D), Glu (E), and the C-terminal -COOH. -1
Basic amino acid Arg (R), Lys (K), His (H), and the N-terminal -NH2 +1
Neutral amino acid Gly (G), Ala (A), Leu (L), Ile (I), Val (V), Cys (C), Met (M), Thr (T), Ser (S), Phe (F), Tyr (Y), Trp (W), Pro (P), Asn (N), Gln (Q) 0

3.  Recommended solution:

Overall charge of peptide Details
Negative (<0) 1.  Try to dissolve the peptide in water first.
2.  If water fails, add NH4OH (<50 μL).
3.  If the peptide still does not dissolve, add DMSO (50-100 μL) to solubilize the peptide.
Positive (>0) 1.  Try to dissolve the peptide in water first.
2.  If water fails, try dissolving the peptide in a 10%-30% acetic acid solution.
3.  If the peptide still does not dissolve, try dissolving the peptide in a small amount of DMSO.
Zero (=0) 1.  Try to dissolve the peptide in organic solvent (acetonitrile, methanol, etc.) first.
2.  For very hydrophobic peptides, try dissolving the peptide in a small amount of DMSO, and then dilute the solution with water to the desired concentration.
参考文献
搜索质检报告(COA)

1:一般建议:溶解度为Medlife测试数据,可能与文献描述存在差异。这是由于生产工艺和批次不同产生的正常现象。为了使其更好的溶解,请用37℃加热试管并在超声波水浴中震动片刻。不同批次产品溶解度各有差异,仅做参考,具体以实验方案为准。

2:储存条件:粉末-20°C一般情况可以保存3年,溶于溶剂-80°C一般情况可以保存1年。不同产品及不同批次产品可能存在差异,请细致阅读产品信息,并辅助参考相关文献描述。

The molarity calculator equation
Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)
The dilution calculator equation
Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
This equation is commonly abbreviated as: C1V1 = C2V2