现货Roche货号11088866001胶原酶D上海睿安生物

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上海睿安生物科技有限公司
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Last Updated 2025-08-12 15:44

现货Roche货号11088866001胶原酶D上海睿安生物

现货畅销供应Roche货号11088866001胶原酶D[别名:Collagenase D]现货(规格包装500mg/瓶)(目录价¥3606.06元/瓶)13611631389上海睿安生物胶原酶D from Clostridium histolyticum

一般描述:胶原酶D是通过过滤、硫酸铵沉淀、透析和冻干而从溶组织梭菌的培养物中制备的。

特异性:胶原酶可降解天然胶原蛋白。梭菌蛋白酶、胰蛋白酶样酶和中性蛋白酶也会降解其他蛋白质。

应用:来自溶组织梭菌的胶原酶被广泛用于解聚多种类型的组织(如:肺、心脏、肌肉、骨骼、脂肪组织、肝脏、肾脏、软骨、乳腺、胎盘、血管、脑、肿瘤),以及用于建立原代细胞培养系统的单细胞悬浮液的制备。当细胞表面蛋白的功能性和完整性很重要时,推荐使用胶原酶D。来自Roche的梭菌胶原酶已用于从多种类型的组织中进行细胞的制备,如肝细胞、脂肪细胞、胰岛、上皮细胞、肌肉细胞、内皮细胞等。然而,应根据经验确定每个批次的酶对破坏特定组织的适用性。

特点和优势

内含物:冻干粉,未灭菌

单位定义:来自Roche的胶原酶以Wünsch单位(在+25°C下每分钟用Wünsch底物形成μmol的产物)进行测定。通常,胶原酶活性是以Mandl单位(在+37℃下5小时内从胶原释放的1μmol亮氨酸)给出的。不幸的是,两个活性单位之间没有统一的转换因子,因为Mandl单位部分取决于胶原酶制剂中污染性蛋白酶的浓度,而这是一个不确定的变量。较纯的胶原酶制剂相对于粗制剂在Mandl单位中实际上具有更低的比活性。梭菌制剂通常具有约1:1800的转换因子(某个特定批次的梭菌胶原酶所含有的约0.15 Wünsch U/mg和250 Mandl U/mg)。

外形:冻干粉,未灭菌。

制备说明

激活剂:Ca2+
工作浓度:0.5-2.5mg/ml
储存条件(工作溶液):-15至-25°C,Roche建议仅重悬需要立即使用的冻干粉的量。重新配制的溶液可以在-15至-25℃下储存长达一周。因为重新配制后活性降低了,所以要避免反复冻融。

抑制剂:
胶原酶抑制剂:EDTA,EGTA,Cys,His,DTT,BME
胶原酶不会被血清所抑制。
梭菌蛋白酶抑制剂:TLCK
胰蛋白酶抑制剂:抑肽酶,胰蛋白酶抑制剂(蛋清,大豆)

酶活:
胶原酶活性:>0.15 U/mg(基于Wünsch)(+25°C,4-苯基-偶氮苄基-氧基羰基-Pro-Leu-Gly-Pro-D-Arg作为底物)
污染性酶活:胰蛋白酶,梭菌蛋白酶和总蛋白水解活性
胶原酶D具有正常至高的胶原酶活性,以及非常低的胰蛋白酶活性(通常<0.2单位/mg,BAEE作为底物)。

重悬:在任何平衡盐溶液中重悬(HBSS)

其他说明:仅用于生命科学研究。不可用于诊断。

同行评审论文(部分文献)

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