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Dear Customer:

The current international situation is complex and volatile, and uncertain tariff policies may potentially impact our product prices. Given these uncertainties, we value your understanding regarding order-related matters.

If you decide to place an order during this period, we reserve the right to adjust the price based on the evolving situation. We understand that market changes may cause inconvenience. We will negotiate with you if there’s a significant price fluctuation due to tariff policy changes before the order’s actual delivery, and in such cases we may adjust or cancel the order as necessary.

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主要文件

安全信息

C8051

Sigma-Aldrich

胶原酶 来源于溶组织梭菌

Sigma Blend Type H, ≥1.0 FALGPA units/mg solid

别名:

梭菌肽酶 A

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10 MG
CN¥1,617.22
25 MG
CN¥2,669.81
100 MG
CN¥8,019.88

CN¥1,617.22


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10 MG
CN¥1,617.22
25 MG
CN¥2,669.81
100 MG
CN¥8,019.88

About This Item

CAS号:
EC 号:
MDL编号:
UNSPSC代码:
12352204
NACRES:
NA.54

CN¥1,617.22


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新价格,新优惠!

获取大包装报价

质量水平

表单

powder

caseinase activity

≥10 units/mg solid

比活

≥1.0 FALGPA units/mg solid

分子量

68-130 kDa

储存温度

−20°C

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MMHVMFX24MXRP2USBCMMQUANK01
AC/DC input

100 V / 230 V, 50-60 Hz

AC/DC input

-

AC/DC input

-

AC/DC input

100 V / 200 V, 50-60 Hz

packaging

pkg of 1 kit

packaging

pkg of 24 units

packaging

pkg of 1 unit

packaging

-

agency

EP 2.6.1

agency

-

agency

-

agency

-

product line

Milliflex®

product line

-

product line

-

product line

-

parameter

10 kg operating weight (22 lb) (Autospray Station)

parameter

100 mL sample volume

parameter

-

parameter

4.4 kg operating weight, 45 °C temperature (for samples)

应用

来自组织溶梭菌的胶原酶用于:
  • 从胶原蛋白支架中收获骨肉瘤143B细胞[1]
  • 胰岛[2]和颈动脉的组织消化[3]
  • 绒毛膜绒毛的消化[4]
  • 基于ATP的肿瘤化学敏感性测定(ATP-TCA)中实体瘤的酶促解离[5]

生化/生理作用

组织溶梭菌产生两类胶原酶。梭菌胶原酶比哺乳动物胶原酶更高效。它能够在胶原蛋白三螺旋中的多个切割位点进行切割。它与气性坏疽中的细菌入侵有关。[6]
从组织中有效释放细胞需要胶原酶和中性蛋白酶的作用。每摩尔酶可被4克原子钙(Ca2+)活化。培养物滤液被认为含有至少7种不同蛋白酶,分子量范围为68-130kDa。最适pH为6.3-8.8。该酶通常用于消化组织样品中的结缔组分,以释放单个细胞。胶原酶处理可导致一些细胞死亡。通常使用0.1-5 mg/mL的浓度进行消化。反应持续时间从15分钟到几小时不等,以产生令人满意的细胞解离效率,同时又不会引起太多的细胞死亡。含有钙和BSA的Krebs Ringer缓冲液是首选,并且需要添加Zn2+以确保活性。在测试中,对于每个大鼠肝脏,使用该酶以约1 mg/mL的浓度、总体积100mL释放肝细胞。
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。

象形图

Health hazardExclamation mark

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

储存分类代码

11 - Combustible Solids

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
  • 技术规格说明书

  • 历史批次信息供参考:

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    Ming Yu et al.
    Journal of applied physiology (Bethesda, Md. : 1985), 93(4), 1391-1399 (2002-09-18)
    In contrast to its constrictor effects on peripheral arteries, 20-hydroxyeicosatetraenoic acid (20-HETE) is an endothelial-dependent dilator of pulmonary arteries (PAs). The present study examined the hypothesis that the vasodilator effects of 20-HETE in PAs are due to an elevation of
    The in vitro effect of gefitinib (Iressa) alone and in combination with cytotoxic chemotherapy on human solid tumours
    Knight LA, et al.
    BMC Cancer, 4(1), 83-83 (2004)
    Upregulated TRPC3 and downregulated TRPC1 channel expression during hypertension is associated with increased vascular contractility in rat
    Noorani MM, et al.
    Frontiers in Physiology, 2, 42-42 (2011)
    Exendin-4 improves yield and function of isolated pre-weaned porcine islets
    Lau H, et al.
    Journal of Endocrinology and Diabetes, 5(5), 1-7 (2018)
    Erik J Behringer et al.
    British journal of pharmacology, 166(2), 774-787 (2011-12-16)
    Electrical conduction along endothelium of resistance vessels has not been determined independently of the influence of smooth muscle, surrounding tissue or blood. Two interrelated hypotheses were tested: (i) Intercellular conduction of electrical signals is manifest in endothelial cell (EC) tubes;

    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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