C6930
Monoclonal Anti-Cytokeratin Peptide 19 antibody produced in mouse
clone A53-B/A2, tissue culture supernatant
Sinónimos:
Anti-CK19, Anti-K19, Anti-K1CS
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About This Item
Productos recomendados
biological source
mouse
conjugate
unconjugated
antibody form
tissue culture supernatant
antibody product type
primary antibodies
clone
A53-B/A2, monoclonal
mol wt
antigen 40 kDa
contains
15 mM sodium azide
species reactivity
human
technique(s)
indirect immunofluorescence: 1:50 using formalin-fixed, paraffin-embedded, human tissue sections
microarray: suitable
isotype
IgG2a
UniProt accession no.
shipped in
dry ice
storage temp.
−20°C
target post-translational modification
unmodified
Gene Information
human ... KRT19(3880)
General description
Monoclonal Anti-Cytokeratin Peptide 19 (mouse IgG2a isotype) is derived from the A53-B/A2 hybridoma produced by the fusion of mouse myeloma cells and splenocytes from BALB/c mice immunized with mammary human carcinoma cell line MCF-7. Monoclonal Anti-Cytokeratin Peptide 19, known as clone A53-B/A2, or clone No. Ks 19.1, reacts with the rod domain of human cytokeratin peptide 19 (40 kDa), a cytoskeletal protein restricted to epithelial and carcinoma cells. Cytokeratin 19 is a member of the type I acidic subfamily. It is differentially expressed in various human tissues.
Specificity
Also cited as clone no. KS 19.1, the antibody reacts with the rod domain of cytokeratin peptide 19, a cytoskeletal protein restricted to epithelial and carcinoma cells. Species cross-reactivity is low or absent. The antibody labels simple epithelia and basal cells of non-cornifying stratified squamous epithelia. It is a useful tool in discriminating simple carcinomas from those of different origin and for carcinoma subtyping. This antibody has also been shown to be a marker of pre-malignant lesions of the oral epithelium.
Immunogen
human mammary carcinoma cell line MCF-7.
Application
Monoclonal Anti-Cytokeratin Peptide 19 antibody produced in mouse is also suitable:
- for immunoblotting, for immunocytochemistry,
- for immunofluorescence,
- as a marker of premalignant lesions of the oral epithelium, to label cytokeratin in formalin-fixed or Carnoy-fixed, paraffin embedded tissue and in frozen sections of human tissue, to label simple epithelia and basal cells of noncornifying stratified squamous epithelia.
Monoclonal Anti-Cytokeratin Peptide 19 antibody produced in mouse is suitable for microarray and indirect immunofluorescence at a dilution of 1:50 using formalin-fixed, paraffin-embedded and human tissue sections.
Biochem/physiol Actions
Keratin, type I cytoskeletal 19 (40kDa protein) is also known as cytokeratin-19 (CK-19) or keratin-19 (K19). It is encoded by the KRT19 gene in humans. Keratin 19 is a type I keratin. Keratins are intermediate filament-forming proteins that provide mechanical support and perform a variety of additional functions in epithelial cells. K19 is expressed in a subset of hepatocellular carcinomas (HCC) with poor prognosis and is considered as a biliary/hepatic progenitor cell (HPC) marker. It is also a predictor of poorer prognosis for patients with human lung squamous cell carcinoma (SCC).
Monoclonal anti-cytokeratins are specific markers of epithelial cell differentiation and have been widely used as tools in tumor identification and classification.
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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Storage Class
10 - Combustible liquids
wgk_germany
nwg
flash_point_f
Not applicable
flash_point_c
Not applicable
Certificados de análisis (COA)
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The expression of intermediate filament proteins, particularly individual cytokeratins (CKs), vimentin, and glial filament protein, was immunohistochemically investigated using frozen sections and Carnoy-fixed, paraffin-embedded tissue from normal fetal and adult human kidneys as well as from pathologically altered kidneys. In
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