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Key Documents

S8633

Sigma-Aldrich

鞘磷酯酶 来源于金黄色葡萄球菌

buffered aqueous glycerol solution, 100-300 units/mg protein (Lowry)

同義詞:

鞘磷脂磷酸二酯酶, 鞘磷脂胆碱磷酸水解酶

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About This Item

CAS號碼:
酶委員會編號:
MDL號碼:
分類程式碼代碼:
12352204
NACRES:
NA.32

形狀

buffered aqueous glycerol solution

品質等級

比活性

100-300 units/mg protein (Lowry)

儲存溫度

2-8°C

應用

金黄色葡萄球菌鞘氨醇酶已用于:
  • 二甲胺四环素诱导大鼠皮层神经毒性的研究
  • 血清样品中的鞘磷脂浓度测定
  • 增强鞘磷脂酶活性,研究 PARK9 介导的外泌体生物发生

生化/生理作用

启动形成基于鞘磷脂的第二信使。激活MAPK(丝裂原活化蛋白激酶)和SAPKs(应激活化蛋白激酶);由鞘磷脂生成神经酰胺。
细菌鞘磷脂酶在中性 pH 下具有活性。用于体外细胞培养时,它会水解质膜外叶上的鞘磷脂,并产生脂溶性神经酰胺。鞘磷脂酶是鞘磷脂酶/神经酰胺途径中的关键酶,与几种神经退行性疾病的发病机制有关。

單位定義

在pH 7.4和37℃条件下,1个单位将每分钟水解1.0 μmol TNPAL-鞘磷脂。

外觀

溶于含0.25 M磷酸盐缓冲液的50%甘油,pH 7.5

儲存類別代碼

10 - Combustible liquids

水污染物質分類(WGK)

WGK 3

閃點(°F)

Not applicable

閃點(°C)

Not applicable

個人防護裝備

Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)


分析證明 (COA)

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