一般描述
组织溶梭菌胶原酶（CCH）分为两种类型：I型和II型。两者都是单一多肽，分子量分别为114kDa-113kDa。CCH I包含串联结构域，CCH II则包含单一的胶原蛋白结合结构域。
应用
利用组织分解梭状芽胞杆菌的胶原酶，研究了致龋细菌变形链球菌对胶原的降解作用。还利用组织分解梭状芽胞杆菌的胶原酶，研究胶原酶存在下胶原微网的存活率。
胶原酶也被用于动脉组织的制备，用于晚期糖基化终产物的研究。该酶还与其他蛋白酶一起被用于分解人类肿瘤、小鼠肾脏、人脑和肺上皮组织等。它在肝、肾灌注研究、胰腺消化、非实质肝细胞分离等方面也很有效。该产品已用于消化帕金森病患者前臂活检皮肤，以培养人类皮肤成纤维细胞原代培养物。Sigma的酶已可用于啮齿动物胰岛分离的研究中，该研究测定了葡萄糖激酶的功能。
生化/生理作用
组织溶梭菌胶原酶（CCH）是一种作用于胶原蛋白的消化酶。它可用于治疗一种纤维增生性疾病Dupuytren′挛缩。
每摩尔胶原蛋白酶被4g原子钙活化。 它被乙二醇-双（β-氨基乙基醚）-N，NN′,N′-四乙酸，β-巯基乙醇、谷胱甘肽、巯基乙酸和8-羟基喹啉抑制。
单位定义
一个胶原蛋白消化单元（CDU）从牛跟腱胶原蛋白中释放的肽链量和1.0 μ亮氨酸，5小时，pH7.4,37℃，在钙离子存在下的茚三酮颜色相同。一个 FALGPA水解单元每分钟，25℃，水解1.0 μmole 呋喃基丙烯酰-Leu-Gly-Pro-Ala。一个中性蛋白酶单元水解酪蛋白，产生颜色和1.0 μmole 酪氨酸每5小时，pH7.5,37℃下产生的相同。一个梭菌蛋白酶单元在DTT存在下，pH7.6,25℃，每分钟水解1.0 μmole BAEE。
分析说明
还含有梭菌蛋白酶，非特异性中性蛋白酶和胰蛋白酶活性。
警示用语：
Danger
危险分类
Eye Irrit. 2 - Resp. Sens. 1 - Skin Irrit. 2 - STOT SE 3
靶器官
Respiratory system
WGK
WGK 1
闪点(°F)
Not applicable
闪点(°C)
Not applicable
个人防护装备
dust mask type N95 (US), Eyeshields, Faceshields, Gloves
法规信息
常规特殊物品
Nicolai M Doliba et al.
American journal of physiology. Endocrinology and metabolism, 302(1), E87-E102 (2011-09-29)
It was reported previously that isolated human islets from individuals with type 2 diabetes mellitus (T2DM) show reduced glucose-stimulated insulin release. To assess the possibility that impaired bioenergetics may contribute to this defect, glucose-stimulated respiration (Vo(2)), glucose usage and oxidation
Collagenase Clostridium histolyticum: emerging practice patterns and treatment advances
Warwick D, et al.
Journal of Plastic Surgery and Hand Surgery, 50(5), 251-261 (2016)
Maria Orfanoudaki et al.
Marine drugs, 18(1) (2020-01-08)
Mycosporine-like amino acids (MAAs) are water-soluble metabolites, reported to exhibit strong UV-absorbing properties. They have been found in a wide range of marine organisms, especially those that are exposed to extreme levels of sunlight, to protect them against solar radiation.
Daniela Frasca et al.
Frontiers in immunology, 11, 392-392 (2020-03-19)
We have previously shown that the human obese adipose tissue (AT) contributes to increased secretion of adipocyte-specific IgG antibodies in individuals with obesity. This occurs without any exogenous stimulation, because the ongoing process of cell death in the obese AT
Vivian Lehmann et al.
Biotechnology progress, 35(2), e2745-e2745 (2018-11-14)
The only cure available for Type 1 diabetes involves the transplantation of islets of Langerhans isolated from donor organs. However, success rates are relatively low. Disconnection from vasculature upon isolation and insufficient rate of revascularization upon transplantation are thought to
实验方案
在测定胶原酶活性时，使用N-（3-[2-呋喃基]丙烯酰基）-Leu-Gly-Pro-Ala在345nm处进行连续分光光度法测定。胶原酶水解胶原肽键。
To measure collagenase activity, N-(3-[2-Furyl]acryloyl)-Leu-Gly-Pro-Ala is used in a continuous spectrophotometric rate determination at 345 nm. Collagenase hydrolyzes collagen peptide bonds.
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