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SIBA {[allProObj[0].p_purity_real_show]}

货号:A654709 同义名: 5'-Deoxy-5'-isobutylthioadenosine;5'-Isobutylthioadenosine

SIBA是一种 Transmethylation 抑制剂,作为S-腺苷高半胱氨酸的合成类似物,具有强效的抗增殖活性,还能阻断 氨基丙基转移酶(aminopropyltransferase) 来干扰多胺生物合成。。

SIBA 化学结构 CAS号:35899-54-8
SIBA 化学结构
CAS号:35899-54-8
SIBA 3D分子结构
CAS号:35899-54-8
SIBA 化学结构 CAS号:35899-54-8
SIBA 3D分子结构 CAS号:35899-54-8
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SIBA 纯度/质量文件 产品仅供科研

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SIBA 生物活性

描述 Muscarinic receptors have been tentatively subclassified to M1 and M2 on the basis of differences in their affinity for the cholinergic antagonist pirenzepine. 5'-isobutylthio-adenosine (SIBA) is best known as inhibitor of S-adenosylhomocysteine hydrolase, but has also been implicated as inhihitors of protein synthesis, nucleic acid synthesis, viral replication, cellular differentiation, chemotaxis, polyamine metabolism and IgE-mediated histamine release. Most of these effects have been attributed to the inhibition of transmethylation reactions. SIBA also has biological and biochemical effects over muscarinic receptors other than on transmethylation reactions. SIBA, at 100 µM, inhibited [3H]N-methyl-scopolamine binding to homogenates of whole brain and cortex (mainly M1 subtype receptors) by 11-30% and to cerebellum (mainly M2 subtype receptors) by 20-39%. At 0.01-1.0 µM, stimulation of [3H]QNB and NMS-inaccessible [3H]QNB binding was observed, with the most induced by 1 µM 3-deaza-SIBA. In contrast, [3H]pirenzepine ([3H]PZ) binding to whole brain and cortex was inhibited in a dose-dependent manner with Ki values in the µM range[3].

SIBA 参考文献

[1]Lawrence F, Bachrach U, et al. Effect of 5'-deoxy-5'-isobutylthioadenosine on putrescine uptake and polyamine biosynthesis by chick embryo fibroblasts. Biochem J. 1982 Jun 15;204(3):853-9.

[2]Carteni-Farina M, Della Ragione F, et al. Studies on the metabolism of 5'-isobutylthioadenosine (SIBA): phosphorolytic cleavage by methylthioadenosine phosphorylase. FEBS Lett. 1979 Aug 15;104(2):266-70.

[3]Muscarinic Receptor Subtype Specificity of 5'-(isobutylthio)-adenosine (SIBA) and Its Analogs

SIBA 实验方案

计算器
存储液制备 1mg 5mg 10mg

1 mM

5 mM

10 mM

2.95mL

0.59mL

0.29mL

14.73mL

2.95mL

1.47mL

29.46mL

5.89mL

2.95mL

SIBA 技术信息

CAS号35899-54-8
分子式C14H21N5O3S
分子量 339.413
别名 5'-Deoxy-5'-isobutylthioadenosine;5'-Isobutylthioadenosine
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,2-8°C

溶解方案

DMSO: 105 mg/mL(309.36 mM),注意:DMSO长时间开封后,会吸水并导致溶解能力下降,请避免使用长期开封的DMSO

请根据您的动物给药指南选择适当的溶解方案。
以下溶解方案都请先按照体外实验的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
方案一
方案二
动物实验配方
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