PGlu-3-methyl-His-Pro-NH2 TFA

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目录号 : KM2743 纯度 : 98%

Data Sheet 产品使用指南

PGlu-3-methyl-His-Pro-NH2 TFA (A-42872 TFA) 是一种修饰的促甲状腺激素释放激素 (TRH) 肽，能增强与垂体促甲状腺素释放激素受体的结合，增加垂体促甲状腺素 (TSH) 释放的刺激。PGlu-3-methyl-His-Pro-NH2 TFA 在增强剂乙醇和桉叶碱下，通过大鼠皮肤的体外通透性增加。

规格	价格	是否有货
5mg		In-stock
10mg		In-stock
25mg		In-stock
50mg	询价	In-stock
100mg	询价	In-stock

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生物活性

PGlu-3-methyl-His-Pro-NH2 TFA (A-42872 TFA), the modified thyrotropin-releasing hormone (TRH) peptide, enhances binding to pituitary TRH receptors and increases stimulation of thyroid-stimulating hormone (TSH) release from the pituitary. The in vitro permeability of PGlu-3-methyl-His-Pro-NH2 TFA through rat skin is increased in the presence of enhancers Ethanol and Cineole.

体外研究

PGlu-3-methyl-His-Pro-NH2 TFA (A-42872 TFA) has a very high affinity for the TRH receptor in the CNS. PGlu-3-methyl-His-Pro-NH2 TFA is more potent in eliciting behavioral effects as well as being more potent in the release of both growth hormone and thyroid stimulating hormone.

体内研究

PGlu-3-methyl-His-Pro-NH2 TFA (A-42872 TFA) (300 μg/kg; i.v.) elicits a 80 % increase in cerebral blood flow. Even a minute dose of PGlu-3-methyl-His-Pro-NH2 TFA (625 ng kg-1) causes an increase in cerebral blood flow.
The addition of 3% terpene in combination with 47% ethanol increases the penetration of PGlu-3-methyl-His-Pro-NH2 TFA (5 mg/ml; transdermal administration; 30 minutes).
Topical application of PGlu-3-methyl-His-Pro-NH2 TFA induces an increase in TSH serum concentration from 0.32 ng/ml to 22.9 ng/ml, respectively, after 30 min. The addition of Terpene and Ethanol in combination with TRH or PGlu-3-methyl-His-Pro-NH2 TFA, increases the TSH release to 43 and 48.4 ng/ml, respectively.

Animal Model:	Male Sprague-Dawley rats (weighing 296–356 g)
Dosage:	5 mg/ml
Administration:	Transdermal administration; 30 minutes
Result:	Increased in TSH-response in the presence of enhancers (3% Cineole and 47% Ethanol) as compared to peptide without enhancers.

运输条件

Room temperature in continental US; may vary elsewhere.

储存方式

-20°C, sealed storage, away from moisture

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

溶解性数据

In Vitro:

H₂O : 250 mg/mL (509.76 mM; Need ultrasonic)

配制储备液

浓度溶剂体积质量	1 mg	5 mg	10 mg

1 mM	2.0390 mL	10.1951 mL	20.3903 mL
5 mM	0.4078 mL	2.0390 mL	4.0781 mL
10 mM	0.2039 mL	1.0195 mL	2.0390 mL

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, 6 months; -20°C, 1 month (sealed storage, away from moisture)。-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。

纯度： 98%