C8541
Monoclonal Anti-Cytokeratin Peptide 18 antibody produced in mouse
clone CY-90, ascites fluid
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Synonym(s):
Monoclonal Anti-Cytokeratin Peptide 18
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biological source
mouse
Quality Level
conjugate
unconjugated
antibody form
ascites fluid
antibody product type
primary antibodies
clone
CY-90, monoclonal
contains
15 mM sodium azide
species reactivity
wide range
technique(s)
indirect immunofluorescence: 1:800 using formalin-fixed, paraffin-embedded sections of human tissue
western blot: suitable
isotype
IgG1
shipped in
dry ice
storage temp.
−20°C
target post-translational modification
unmodified
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General description
Cytokeratin 18 (45 kDa) is the primary type I keratin expressed in simple epithelial cells. Epithelial cells and their derivatives characteristically contain intermediate filaments (IFs) composed of about 20 related polypeptides with molecular weights between 40,000-69,000. Each epithelial tissue has a specific and stable pattern of expression of some of these cytokeratin subunits. Epithelium derived tumors maintain the expression of the cytokeratins found in the normal tissue of origin. Therefore, carcinomas can be identified and classified by immunocytochemical staining with antibodies that react specifically with cytokeratins.
Monoclonal Anti-Cytokeratin Peptide 18 (mouse IgG1 isotype) is derived from the hybridoma produced by the fusion of mouse myeloma cells and splenocytes from an immunized mouse. Cytokeratin 18 (CK18)/keratin 18 is a structural protein and is present in single-layer epithelia. It is located on human chromosome 12q13.
Specificity
The antibody reacts specifically with a wide variety of simple epithelia (e.g. intestine, respiratory and urinary systems, liver, and glandular epithelia). It does not react with stratified squamous epithelia (e.g. esophagus or epidermis) or with non-epithelial cells.
Immunogen
human epidermal carcinoma A-431 and MCF-7 human breast cancer cell lines.
Application
Monoclonal Anti-Cytokeratin Peptide 18 antibody produced in mouse has been used in:
- immunofluorescence
- fluorescence microscopy
- confocal fluorescence microscopy
- immunolabelling
- histoblots
Biochem/physiol Actions
Keratins help to maintain structural integrity. They also control Fas?mediated apoptosis and regulate cell size and protein synthesis. Cytokeratin 18 (CK18) plays a major role in the development of lung cancer. It acts as a therapeutic target for non-small cell lung cancer (NSCLC). CK-18 is considered as a promising plasma biomarker to identify patients with HELLP (hemolysis, elevated liver enzymes, low platelets) syndrome.
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.
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Regulatory Information
常规特殊物品
Certificates of Analysis (COA)
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Keratin 8 and 18 (K8/18) are the major components of intermediate filament (IF) proteins of simple or single-layered epithelia. Recent data show that normal and malignant epithelial cells deficient in K8/18 are nearly 100 times more sensitive to tumor necrosis
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