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Key Documents

HPA018156

Sigma-Aldrich

Anti-CTSB antibody produced in rabbit

enhanced validation

Prestige Antibodies® Powered by Atlas Antibodies, affinity isolated antibody, buffered aqueous glycerol solution

Synonyme(s) :

Anti-APP secretase, Anti-APPS, Anti-Cathepsin B precursor, Anti-Cathepsin B1

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About This Item

Code UNSPSC :
12352203
Numéro HPA (Human Protein Atlas):
Nomenclature NACRES :
NA.41

Source biologique

rabbit

Conjugué

unconjugated

Forme d'anticorps

affinity isolated antibody

Type de produit anticorps

primary antibodies

Clone

polyclonal

Gamme de produits

Prestige Antibodies® Powered by Atlas Antibodies

Forme

buffered aqueous glycerol solution

Espèces réactives

human

Validation améliorée

orthogonal RNAseq
Learn more about Antibody Enhanced Validation

Technique(s)

immunofluorescence: 0.25-2 μg/mL
immunohistochemistry: 1:500-1:1000

Séquence immunogène

DELVNYVNKRNTTWQAGHNFYNVDMSYLKRLCGTFLGGPKPPQRVMFTEDLKLPASFDAREQWPQCPTIKEIRDQGSCGSCWAFGAVEAISDRICIHTNAHVSVEVSAEDLLTCCGSMCGDGCNGGYPA

Numéro d'accès UniProt

Conditions d'expédition

wet ice

Température de stockage

−20°C

Modification post-traductionnelle de la cible

unmodified

Informations sur le gène

human ... CTSB(1508)

Description générale

The gene cathepsin B (CTSB) has been mapped to human chromosome 8p22. The gene encodes a lysosomal cysteine protease composed of a dimer of disulphide linked heavy and light chains. Under physiological conditions the protein is localized in lysosomes and in presence of some cellular signals it is released from the lysosomes and trigger different physiological events.

Immunogène

Cathepsin B precursor recombinant protein epitope signature tag (PrEST)

Application

Anti-CTSB antibody produced in rabbit, a Prestige Antibody, is developed and validated by the Human Protein Atlas (HPA) project . Each antibody is tested by immunohistochemistry against hundreds of normal and disease tissues. These images can be viewed on the Human Protein Atlas (HPA) site by clicking on the Image Gallery link. The antibodies are also tested using immunofluorescence and western blotting. To view these protocols and other useful information about Prestige Antibodies and the HPA, visit sigma.com/prestige.

Actions biochimiques/physiologiques

Cathepsin B (CTSB) has been linked to various responses including lysosomal protein turnover, apoptosis and immune responses. The protein is involved in activation of epithelial Na+ channel in cystic fibrosis lung disease airways. Presence of cocaine along with HIV (human immunodeficiency virus)-1 infection causes increase in CTSB secretion and neurotoxicity. CTSB is up-regulated in synovial fluid of patients suffering with rheumatoid arthritis. The protein is considered as a biomarker for many cancers. Stearoyl-CoA desaturase-5 reduces melanoma malignancy by regulating secretion of CTSB. Mutations in CTSB (C76G/A4383C) have been linked to high risk of hepatocellular carcinoma. CTSB levels and activity were shown to be increased in human esophageal squamous cell carcinoma, breast cancer, colorectal carcinomas and no small cell lung carcinoma. CTSB increase the localization of cytoplasmic c-Jun-NH2-terminus kinase, thereby inducing migration of glioma cells and making them more malignant.

Caractéristiques et avantages

Prestige Antibodies® are highly characterized and extensively validated antibodies with the added benefit of all available characterization data for each target being accessible via the Human Protein Atlas portal linked just below the product name at the top of this page. The uniqueness and low cross-reactivity of the Prestige Antibodies® to other proteins are due to a thorough selection of antigen regions, affinity purification, and stringent selection. Prestige antigen controls are available for every corresponding Prestige Antibody and can be found in the linkage section.

Every Prestige Antibody is tested in the following ways:
  • IHC tissue array of 44 normal human tissues and 20 of the most common cancer type tissues.
  • Protein array of 364 human recombinant protein fragments.

Liaison

Corresponding Antigen APREST73333

Forme physique

Solution in phosphate-buffered saline, pH 7.2, containing 40% glycerol and 0.02% sodium azide

Informations légales

Prestige Antibodies is a registered trademark of Merck KGaA, Darmstadt, Germany

Clause de non-responsabilité

Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.

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Code de la classe de stockage

10 - Combustible liquids

Classe de danger pour l'eau (WGK)

WGK 1

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Équipement de protection individuelle

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


Certificats d'analyse (COA)

Recherchez un Certificats d'analyse (COA) en saisissant le numéro de lot du produit. Les numéros de lot figurent sur l'étiquette du produit après les mots "Lot" ou "Batch".

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Retrouvez la documentation relative aux produits que vous avez récemment achetés dans la Bibliothèque de documents.

Consulter la Bibliothèque de documents

Paola Matarrese et al.
Molecular cancer, 9, 207-207 (2010-08-06)
Cathepsins represent a group of proteases involved in determining the metastatic potential of cancer cells. Among these are cysteinyl- (e.g. cathepsin B and cathepsin L) and aspartyl-proteases (e.g. cathepsin D), normally present inside the lysosomes as inactive proenzymes. Once released
Frances Zenón et al.
Journal of neuroimmune pharmacology : the official journal of the Society on NeuroImmune Pharmacology, 9(5), 703-715 (2014-09-12)
Substance abuse is a risk factor for HIV infection and progression to AIDS. Recent evidence establishes that cocaine use promotes brain perivascular macrophage infiltration and microglia activation. The lysosomal protease cathepsin B is increased in monocytes from patients with HIV
Chong Da Tan et al.
The Journal of physiology, 592(23), 5251-5268 (2014-09-28)
In cystic fibrosis (CF) lung disease, the absence of functional CF transmembrane conductance regulator results in Cl(-)/HCO3 (-) hyposecretion and triggers Na(+) hyperabsorption through the epithelial Na(+) channel (ENaC), which contribute to reduced airway surface liquid (ASL) pH and volume.
Wei Ma et al.
PloS one, 9(3), e92351-e92351 (2014-03-13)
Despite great progress in treatment, the prognosis for patients with esophageal squamous cell carcinoma (ESCC) remains poor, highlighting the importance of early detection. Although upper endoscopy can be used for the screening of esophagus, it has limited sensitivity for early
B Werle et al.
Cancer, 89(11), 2282-2291 (2001-01-09)
Tumor cells require specific proteolytic enzymes for invasion and metastasis, including lysosomal peptidases--cathepsins. Cathepsin B is a lysosomal cysteine peptidase, which appears to play a major role in invasion and metastasis of human tumors. In this study, the authors focused

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