Anti-Cathepsin B Antibody, Rabbit Polyclonal

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Anti-Cathepsin B Antibody, Rabbit Polyclonal 产品信息

产品名称
Anti-Cathepsin B Antibody, Rabbit Polyclonal
经验证的应用
ELISA
交叉反应
Reacts with: Human
特异性
Human Cathepsin B
免疫原
Recombinant Human Cathepsin B / CTSB protein (Catalog#10483-H08H)
制备方法
Produced in rabbits immunized with purified, recombinant Human Cathepsin B / CTSB (rh CTSB; Catalog#10483-H08H; NP_001899.1; Arg18-Ile339). Total IgG was purified by Protein A affinity chromatography.
来源
Polyclonal Rabbit IgG
纯化
Protein A
缓冲液
0.2 μm filtered solution in PBS
偶联物
Unconjugated
状态
Liquid
运输方式
This antibody is shipped as liquid solution at ambient temperature. Upon receipt, store it immediately at the temperature recommended below.
储存条件
This antibody can be stored at 2℃-8℃ for one month without detectable loss of activity. Antibody products are stable for twelve months from date of receipt when stored at -20℃ to -80℃. Preservative-Free. Avoid repeated freeze-thaw cycles.

Anti-Cathepsin B Antibody, Rabbit Polyclonal 经验证的应用

应用 推荐稀释比/用量
ELISA 1:1000-1:2000
Please Note: Optimal concentrations/dilutions should be determined by the end user.

Anti-Cathepsin B Antibody, Rabbit Polyclonal: 别称

Anti-APPS Antibody; Anti-CPSB Antibody

Cathepsin B 背景信息

Cathepsin B is a papain-family cysteine protease that is normally located in lysosomes, where it is involved in the turnover of proteins and plays various roles in maintaining the normal metabolism of cells. This protease has been implicated in pathological conditions, e.g., tumor progression and arthritis. In disease conditions, increases in the expression of cathepsin B occur at both the gene and protein levels. Cathepsin B is synthesized as a preproenzyme and the primary pathways for its normal trafficking to the lysosome utilize mannose 6-phosphate receptors (MPRs). Mature cathepsin B has the ability to degrade several extracellular matrix components at both neutral and acidic pH and has been implicated in the progression of several human and rodent tumors progression and arthritis. Cathepsin B expression is increased in many human cancers at the mRNA, protein and activity levels. It is also frequently overexpressed in premalignant lesions, an observation that associates this protease with local invasive stages of cancer. Increased expression of cathepsin B in primary cancers, and especially in preneoplastic lesions, suggests that this enzyme might have pro-apoptotic features. Active cathepsin B is also secreted from tumours, a mechanism likely to be facilitated by lysosomal exocytosis or extracellular processing by surface activators. Cathepsin B is localized to caveolae on the tumour surface, where binding to the annexin II heterotetramer occurs. Thus CTSB is suggested as a tumor marker. Additionally, Cathepsin B can degrade extracellular matrix proteins, such as collagen IV and laminin, and can activate the precursor form of urokinase plasminogen activator (uPA), perhaps thereby initiating an extracellular proteolytic cascade.
全称
cathepsin B
参考文献
  • Mai J, et al. (2000) Cell surface complex of cathepsin B/annexin II tetramer in malignant progression. Biochim Biophys Acta. 1477(1-2): 215-30.
  • Podgorski I, et al. (2003) Cathepsin B and its role(s) in cancer progression. Biochem Soc Symp. (70): 263-76.
  • Yan S, et al. (2003) Molecular regulation of human cathepsin B: implication in pathologies. Biol Chem. 384(6): 845-54.
  • Roshy S, et al. (2003) Pericellular cathepsin B and malignant progression. Cancer Metastasis Rev. 22(2-3): 271-86.
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