Methionine(Synonyms: MRX-1024; D-Methionine)

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Methionine (Synonyms: MRX-1024; D-Methionine) 纯度: ≥97.0%

Methionine (MRX-1024; D-Methionine) 是一种有效的化学保护剂，它还可以通过激活 GABAA 受体来抑制神经元活性。

Methionine(Synonyms: MRX-1024; D-Methionine)

Methionine Chemical Structure

CAS No. : 348-67-4

规格 价格 是否有货 数量
10 mM * 1 mL in Water ￥500 In-stock
500 mg ￥400 In-stock
1 g ￥500 In-stock
5 g   询价  
10 g   询价  

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生物活性

Methionine (MRX-1024; D-Methionine) is an effective chemoprotective agent which can also inhibit the neuronal activity through GABAA receptor activation.

IC50 & Target

GABAA receptor[1]
体外研究
(In Vitro)

The incubation of human plasma with Methionine (D-methionine) and CP leads to the formation of a Pt-D-methionine complex independent of the order of addition. In plasma, an early CP hydrolysis product reacts with Methionine to form a 1:1 complex that is followed by the formation of a 2:1 compound at a later time point. The formation of these Pt-D-methionine species plays an important role in the processes by which Methionine protects mammalian organisms against CP-induced toxicities[2].

上海金畔生物科技有限公司 has not independently confirmed the accuracy of these methods. They are for reference only.
体内研究
(In Vivo)

When Methionine (D-methionine) is administered along with cisplatin the cell density is 0.8±0.070 (SEM), significantly larger than in rats treated with only cisplatin (P<0.01) while not significantly different from controls or from animals treated only with D-methionine (P>0.05). When Methionine is administered alone the average cell density is 0.95±0.099 (SEM) and not significantly different from controls (P>0.05)[3].

上海金畔生物科技有限公司 has not independently confirmed the accuracy of these methods. They are for reference only.
Clinical Trial

分子量

149.21

Formula

C5H11NO2S
CAS 号

348-67-4
中文名称

D-蛋氨酸；D-甲硫氨酸
运输条件

Room temperature in continental US; may vary elsewhere.
储存方式
Powder -20°C 3 years
4°C 2 years
In solvent -80°C 6 months
-20°C 1 month
溶解性数据
In Vitro: 

H2O : 25 mg/mL (167.55 mM; Need ultrasonic)

配制储备液
浓度 溶剂体积 质量 1 mg 5 mg 10 mg
1 mM 6.7020 mL 33.5098 mL 67.0196 mL
5 mM 1.3404 mL 6.7020 mL 13.4039 mL
10 mM 0.6702 mL 3.3510 mL 6.7020 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。-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。
参考文献

  • [1]. Wu C, et al. Antioxidants L-carnitine and D-methionine modulate neuronal activity through GABAergic inhibition. J Neural Transm (Vienna). 2014 Jul;121(7):683-93.

    [2]. Sooriyaarachchi M, et al. Chemoprotection by D-methionine against cisplatin-induced side-effects: insight from in vitrostudies using human plasma. Metallomics. 2014 Mar;6(3):532-41.

    [3]. Hinduja S, et al. D-methionine protects against cisplatin-induced neurotoxicity in the hippocampus of the adult rat. Neurotox Res. 2015 Apr;27(3):199-204.
Cell Assay
[2]

Plasma (2.0 mL) is spiked with 81 mL of the CP stock solution, incubated at 37°C for 30 min and then 20 mL of theMethionine (D-methionine) stock solution (40.7 mg/mL) is added. The obtained mixture is analyzed after 10 min and 50 min of incubation at 37°C[2].

上海金畔生物科技有限公司 has not independently confirmed the accuracy of these methods. They are for reference only.
Animal Administration
[3]

Three sham controls receive 0.9% saline instead of cisplatin. Three rats receive only cisplatin. Another three rats receive Methionine (D-methionine) 30 minutes prior to treatment with cisplatin. Injection of Methionine prior to cisplatin treatment ensures that it is already taken up before cisplatin is applied. Finally, three rats are treated only with Methionine. All 12 rats are sacrificed at day 7 post-treatment. For prescreening, two further rats are treated with cisplatin alone and sacrificed 2 or 21 days later. All rats are hydrated with 0.9% saline[3].

上海金畔生物科技有限公司 has not independently confirmed the accuracy of these methods. They are for reference only.
参考文献

  • [1]. Wu C, et al. Antioxidants L-carnitine and D-methionine modulate neuronal activity through GABAergic inhibition. J Neural Transm (Vienna). 2014 Jul;121(7):683-93.

    [2]. Sooriyaarachchi M, et al. Chemoprotection by D-methionine against cisplatin-induced side-effects: insight from in vitrostudies using human plasma. Metallomics. 2014 Mar;6(3):532-41.

    [3]. Hinduja S, et al. D-methionine protects against cisplatin-induced neurotoxicity in the hippocampus of the adult rat. Neurotox Res. 2015 Apr;27(3):199-204.

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