Cyclo(his-pro) TFA - CAS:936749-56-3

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Cyclo(his-pro) TFA (Synonyms:Cyclo(histidyl-proline TFA; Histidylproline diketopiperazine TFA))

目录号 : KM9744 CAS No. : 936749-56-3 纯度 : 98%

Data Sheet 产品使用指南

Cyclo(his-pro) TFA (Cyclo(histidyl-proline) TFA) 是一种具有口服活性的，结构上与促甲状腺激素释放激素相关的环状二肽。Cyclo(his-pro) TFA 可以抑制 NF-κB 核积累。Cyclo(his-pro) TFA 可以穿越脑血屏障并影响多种炎症和应激反应。

规格	价格	是否有货
1mg		In-stock
5mg		In-stock
10mg	询价	In-stock
50mg	询价	In-stock

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生物活性

Cyclo(his-pro) TFA (Cyclo(histidyl-proline) TFA) is an orally active cyclic dipeptide structurally related to tyreotropin-releasing hormone. Cyclo(his-pro) TFA could inhibit NF-κB nuclear accumulation. Cyclo(his-pro) TFA can cross the brain-blood-barrier and affect diverse inflammatory and stress responses.

体外研究

Cyclo(his-pro) TFA (Cyclo(histidyl-proline) TFA; 50 μM; 1-48 hours) increases the nuclear level of Nrf2 and inhibits NF-κB nuclear translocation. Cyclo(His-Pro) alone has no effect on nuclear translocation of these transcription factors.
Cyclo(his-pro) TFA (50 μM; prior to PQ exposure for 48 hours) abolishes protein nitration that followed paraquat (PQ) exposure and lessenes its functional consequences, as shown by decrease in cell apoptosis, detected by caspase 3 activity and by cytochrome c release.
Cyclo(his-pro) TFA inhibits NF-κB nuclear accumulation induced by paraquat in rat pheochromocytoma PC12 cells via the Nrf2/heme oxygenase-1 pathway.

Western Blot Analysis

Cell Line:	PC12 cells
Concentration:	50 μM
Incubation Time:	1, 2, 4, 8, 24, 48 hours
Result:	Increased the nuclear level of Nrf2 and inhibited NF-κB nuclear translocation.

体内研究

Cyclo(his-pro) TFA (Cyclo(histidyl-proline) TFA; 1.8 mg/ear; topical application on the right ear; 30 min prior to TPA) reduces TPA-induced ear oedema confirming that it can exert anti-inflammatory effect.
Cyclo(his-pro) TFA exerts in vivo anti-inflammatory effects in the central nervous system by down-regulating hepatic and cerebral TNFα expression thereby counteracting LPS-induced gliosis. Moreover, by up-regulating Bip, Cyclo(his-pro) increases the ER stress sensitivity andtriggers the unfolded protein response to alleviate the ER stress.

Animal Model:	Sixty two/three month-old male C57BL/6 mice (25-30 g)
Dosage:	1.8 mg/ear
Administration:	Topical application on the right ear; 30 min prior to TPA
Result:	Reduced TPA-induced ear oedema.

分子式

C₁₃H₁₅F₃N₄O₄

分子量

348.28

CAS号

936749-56-3

运输条件

Room temperature in continental US; may vary elsewhere.

储存方式

-20°C, protect from light, stored under nitrogen

*In solvent : -80°C, 6 months; -20°C, 1 month (protect from light, stored under nitrogen)

溶解性数据

In Vitro:

DMSO : 260 mg/mL (746.53 mM; Need ultrasonic)

H₂O : 125 mg/mL (358.91 mM; ultrasonic and adjust pH to 10 with NaOH)

配制储备液

浓度溶剂体积质量	1 mg	5 mg	10 mg

1 mM	2.8713 mL	14.3563 mL	28.7125 mL
5 mM	0.5743 mL	2.8713 mL	5.7425 mL
10 mM	0.2871 mL	1.4356 mL	2.8713 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 (protect from light, stored under nitrogen)。-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。

In Vivo:

请根据您的实验动物和给药方式选择适当的溶解方案。以下溶解方案都请先按照 In Vitro 方式配制澄清的储备液，再依次添加助溶剂：

——为保证实验结果的可靠性，澄清的储备液可以根据储存条件，适当保存；体内实验的工作液，建议您现用现配，当天使用；以下溶剂前显示的百
分比是指该溶剂在您配制终溶液中的体积占比；如在配制过程中出现沉淀、析出现象，可以通过加热和/或超声的方式助溶

1.

请依序添加每种溶剂： 10% DMSO 40% PEG300 5% Tween-80 45% saline
Solubility: ≥ 2.17 mg/mL (6.23 mM); Clear solution

此方案可获得 ≥ 2.17 mg/mL (6.23 mM，饱和度未知) 的澄清溶液。
以 1 mL 工作液为例，取 100 μL 21.7 mg/mL 的澄清 DMSO 储备液加到 400 μL PEG300 中，混合均匀；向上述体系中加入50 μL Tween-80，混合均匀；然后继续加入 450 μL生理盐水定容至 1 mL。
2.

请依序添加每种溶剂： 10% DMSO 90% (20% SBE-β-CD in saline)
Solubility: ≥ 2.17 mg/mL (6.23 mM); Clear solution

此方案可获得 ≥ 2.17 mg/mL (6.23 mM，饱和度未知) 的澄清溶液。
以 1 mL 工作液为例，取 100 μL 21.7 mg/mL 的澄清 DMSO 储备液加到 900 μL 20% 的 SBE-β-CD 生理盐水水溶液中，混合均匀。
3.

请依序添加每种溶剂： 10% DMSO 90% corn oil
Solubility: ≥ 2.17 mg/mL (6.23 mM); Clear solution

此方案可获得 ≥ 2.17 mg/mL (6.23 mM，饱和度未知) 的澄清溶液，此方案不适用于实验周期在半个月以上的实验。
以 1 mL 工作液为例，取 100 μL 21.7 mg/mL 的澄清 DMSO 储备液加到 900 μL玉米油中，混合均匀。