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L-半胱氨酸 /H-Cys-OH {[allProObj[0].p_purity_real_show]}

货号:A390912 同义名: (R)-2-氨基-3-巯基丙酸 / Cysteine;L-Cys

H-Cys-OH是一种含硫氨基酸,在抗氧化防御、硫化氢(H₂S)生成及细胞信号传导中发挥关键作用。作为谷胱甘肽的前体,半胱氨酸通过转硫途径生成H₂S,这一气体信号分子具有神经调节、抗炎及平滑肌松弛等多种生理功能,广泛应用于氧化应激和神经疾病研究。

H-Cys-OH 化学结构 CAS号:52-90-4
H-Cys-OH 化学结构
CAS号:52-90-4
H-Cys-OH 3D分子结构
CAS号:52-90-4
H-Cys-OH 化学结构 CAS号:52-90-4
H-Cys-OH 3D分子结构 CAS号:52-90-4
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H-Cys-OH 纯度/质量文件 产品仅供科研

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H-Cys-OH 生物活性

描述 L-Cysteine is a nutritionally semiessential amino acid and is present mainly in the form of L-cystine in the extracellular space. With the help of a transport system, extracellular L-cystine crosses the plasma membrane and is reduced to L-cysteine within cells by thioredoxin and reduced glutathione (GSH). Intracellular L-cysteine plays an important role in cellular homeostasis as a precursor for protein synthesis, and for production of GSH, hydrogen sulfide (H(2)S), and taurine[1]. L-Cysteine, an H2S donor, significantly alleviated brain injury after hypoxia-ischemic (HI) injury in neonatal mice. L-Cysteine attenuated the accumulation of CD11b+/CD45 high cells, activation of microglia and astrocytes and diminished HI-induced increases in reactive oxygen species and malondialdehyde within the lesioned cortex. In addition, L-Cysteine increased microtubule associated protein 1 light chain 3-II and Beclin1 expression, decreased p62 expression and phosphor-mammalian target of rapamycin and phosphor-signal transducer and activator of transcription 3[2]. In addition, overexpression of NCgl2566 and NCgl0580 resulted in enhanced L-cysteine production in an L-cysteine-producing recombinant strain of C. glutamicum[3].

H-Cys-OH 参考文献

[1]Yin J, Ren W, Yang G, et al. L-Cysteine metabolism and its nutritional implications. Mol Nutr Food Res. 2016;60(1):134-146

[2]Xin D, Chu X, Bai X, et al. l-Cysteine suppresses hypoxia-ischemia injury in neonatal mice by reducing glial activation, promoting autophagic flux and mediating synaptic modification via H2S formation. Brain Behav Immun. 2018;73:222-234

[3]Kishino M, Kondoh M, Hirasawa T. Enhanced L-cysteine production by overexpressing potential L-cysteine exporter genes in an L-cysteine-producing recombinant strain of Corynebacterium glutamicum. Biosci Biotechnol Biochem. 2019;83(12):2390-2393

H-Cys-OH 实验方案

计算器
存储液制备 1mg 5mg 10mg

1 mM

5 mM

10 mM

8.25mL

1.65mL

0.83mL

41.27mL

8.25mL

4.13mL

82.54mL

16.51mL

8.25mL

H-Cys-OH 技术信息

CAS号52-90-4
分子式C3H7NO2S
分子量 121.16
别名 (R)-2-氨基-3-巯基丙酸 ;Cysteine;L-Cys;Cysteinum;FEMA No. 3263;NSC 8746;(R)-Cysteine;L-(+)-Cysteine
运输蓝冰
存储条件

In solvent -20°C:3-6个月-80°C:12个月

Pure form Keep in dark place,Inert atmosphere,Room temperature

溶解度

H2O: 30 mg/mL(247.61 mM),配合低频超声助溶

动物实验配方
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