biological source
mouse
conjugate
unconjugated
antibody form
purified immunoglobulin
antibody product type
primary antibodies
clone
CB59-4B11, monoclonal
form
buffered aqueous solution
mol wt
antigen ~25 kDa
species reactivity
rat, human
concentration
~1.5 mg/mL
technique(s)
immunohistochemistry: suitable, indirect ELISA: suitable, western blot: 4-8 μg/mL using HCT-116 cells.
isotype
IgG1
UniProt accession no.
shipped in
dry ice
storage temp.
−20°C
target post-translational modification
unmodified
Quality Level
Gene Information
human ... CTSB(1508)
rat ... CTSB(64529)
General description
Monoclonal Anti-Cathepsin B specifically recognizes human1 and rat1 cathepsin B (~ 25 kDa). The antibody epitope resides within the peptide sequence EPGYSP which corresponds to amino acids 212-217 of human cathepsin B. The antibody does not cross react with the closely related lysosomal cysteine proteases: cathepsins L, H, K, S, V, and W
The CTSB (Cathepsin B) gene encoding cathepsin B is mapped to human chromosome 8p23.1. Cathepsin B are normally localized in lysosomes of almost all mammalian cells, but under certain conditions they can be secreted from the cell that take part in local proteolysis. Cathepsin B is both an endo- and exopeptidase, composed of a dimer of disulfide-linked heavy and light chains, both produced from a single protein precursor.
Immunogen
Recombinant human cathepsin B.
Application
indirect ELISA, immunohistochemistry, In HCT-116 cells. 4-8μg/mL of antibody concentration may be used. A dilution of 1:800 in human pancreatic carcinoma cell line PANC-1 was used for immunoblotting
Biochem/physiol Actions
Cathepsins are lysosomal proteases activation of enzyme precursors, and tumor invasion and metastasis. It is involved in the proteolysis of many proteins involved in different physiological and pathological pathways. In the brain, this protease, also known as amyloid precursor protein secretase, is responsible for the proteolytic processing of amyloid precursor protein (APP). An incomplete proteolytic processing of APP has been found as a causative factor in Alzheimer disease. Furthermore, ablated genes coding cathepsin B and L leads to enormous neuronal cell death,probably due to autophagy abnormalities. Cathepsin B has been implicated in tumor progression by virtue of localization at the invading front of the tumor. For example, blocking cathepsin B expression in human glioblastoma SNB19 cells by a stable transfection of an expression vector expressing antisense cathepsin B, caused suppression of glioblastoma-induced neovascularization.
Monoclonal Anti-Cathepsin B specifically recognizes human1 and rat1 cathepsin B (~ 25 kDa). The antibody epitope resides within the peptide sequence EPGYSP which corresponds to amino acids 212-217 of human cathepsin B. The antibody does not cross react with the closely related lysosomal cysteine proteases: cathepsins L, H, K, S, V, and W.
Cathepsins significantly takes part in the immune response, by processing antigens into peptides for its presentation through MHC class II molecules.
Monoclonal Anti-Cathepsin B specifically recognizes human1 and rat1 cathepsin B (~ 25 kDa). The antibody epitope resides within the peptide sequence EPGYSP which corresponds to amino acids 212-217 of human cathepsin B. The antibody does not cross react with the closely related lysosomal cysteine proteases: cathepsins L, H, K, S, V, and W.
Cathepsins significantly takes part in the immune response, by processing antigens into peptides for its presentation through MHC class II molecules.
Physical form
0.01M 磷酸缓冲盐溶液,pH 7.4,含 15mM 叠氮化钠。
Disclaimer
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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存储类别
10 - Combustible liquids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
法规信息
低风险生物材料
常规特殊物品
常规特殊物品
此项目有
Cysteine Cathepsins and the Cutting Edge of
Cancer Invasion
Cancer Invasion
Gocheva V and Joyce JA
Cell Cycle, 6:1, 60-64 (2007)
Enzymatically active lysosomal proteases are associated with
amyloid deposits in Alzheimer brain
amyloid deposits in Alzheimer brain
Cataldo AM and Nixon RA
Proceedings of the National Academy of Sciences of the USA, 87, 3861-3865 (1990)
Localization and Activity of Various Lysosomal Proteases in
Leishmania amazonensis-Infected Macrophages
Leishmania amazonensis-Infected Macrophages
Prina E
Infection and Immunity, 58, 1730-1737 (1990)
Protease signalling in cell death: caspases versus cysteine cathepsins
Turk B and Stoka V
Febs Letters, 581, 2761?2767-2761?2767 (2007)
Dissociation of Ionizing Groups in the Binding Cleft Inversely Controls
the Endo- and Exopeptidase Activities of Cathepsin B
the Endo- and Exopeptidase Activities of Cathepsin B
Polgar L and Csoma C
The Journal of Biological Chemistry, 292, 1444&14453- 1444&14453 (1987)
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