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Purified anti-Cytokeratin 18 Antibody
Purified anti-Cytokeratin 18 Antibody
628401 25 µg $85.00     
628402 100 µg $185.00     

Product Details

 
Clone: DA-7 (See other available formats)
Isotype: Mouse IgG1, κ
Reactivity: Human
Immunogen: Human breast carcinoma cell line PMC-42
Formulation: This antibody is provided in phosphate-buffered solution, pH 7.2, containing 0.09% sodium azide at 0.5 mg/ml.
Preparation: The antibody was purified by affinity chromatography.
Concentration: 0.5 mg/ml
Storage & Handling: The antibody solution should be stored undiluted at 4°C.
Application:

WB - Quality tested
IF - Validated
ELISA, ICC, IHC, IP  - Reported in the literature

Recommended Usage:

Each lot of this antibody is quality control tested by Western blotting. Western blotting, suggested working dilution(s): Use 5 µg antibody per 5 ml antibody dilution buffer for each mini-gel. For immunofluorescence microscopy: Use a dilution range of 1-4 µg/ml. It is recommended that the reagent be titrated for optimal performance for each application.

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Application
References:

  Publication Library
Purified anti-Cytokeratin 18 Antibody DA-7 Image 1
MCF-7 cell extract was resolved by electrophoresis, transferred to nitrocellulose and probed with monoclonal anti-cytokeratin 18 antibody (clone DA-7). Proteins were visualized using a goat anti-mouse secondary conjugated to HRP and a chemiluminescence detection system.

Purified anti-Cytokeratin 18 Antibody DA-7 Image 2
Hela cells stained with purified mouse monoclonal antibody against Cytokeratin 18 (clone DA-7), followed by Rhodamine Red-X conjugated Donkey anti-mouse IgG and DAPI

Purified anti-Cytokeratin 18 Antibody DA-7 Image 3
MCF-7 cells were stained with anti-Cytokeratin 18 (clone DA-7), followed by Alexa Fluor® 546 secondary antibody and DAPI (nuclei). Images were aquired on a Nikon FC300 inverted microscope at 20X magnification. Data provided by Dr. John Nolan, La Jolla Bioengineering Institute.


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Description:

Cytokeratin 18, also known as keratin 18, is a type I intermediate filament protein with a molecular weight of approximately 48 kD. Cytokeratin 18 is a heterotetramer composed of two type I and two type II keratins. Cytokeratin 18 associates with cytokeratin 8 and is widely expressed in simple epithelial tissues in the adult where it is found in the cytoplasm, nucleus, and nucleolus. Cytokeratin 18 is associated with the cytoskeleton and mutations in this protein have been associated with liver disease after environmental insult. Cytokeratin 18 can be modified by glycosylation, phosphorylation (Ser34 and Ser53), acetylation (Ser2) and proteolytic cleavage at amino acids 238 and 397 by caspase family members. The cytokeratin 18 protein interacts with a number of proteins including caspase 3, 14-3-3 gamma, 14-3-3 zeta, 14-3-3 sigma 14-3-3 beta, 14-3-3 eta, keratin 5, keratin 8, TNF receptor II, plakophilin 2, EGF receptor, and usherin, among others. The DA-7 monoclonal antibody recognizes human cytokeratin 18 and is useful for Western blotting. This antibody has also been reported to be useful for immunoprecipitation, immunohistochemistry (paraffin sections), immunocytochemistry, and ELISA.

Other Names: Keratin 18, Keratin type I cytoskeletal 18
Structure: Type I intermediate filament protein, contains three coiled-coil domains, approximately 48 kD. Heterotetramer composed of two type I and two type II keratins. Cytokeratin 18 associates with cytokeratin 8.
Distribution: Widely expressed in simple epithelial tissues in adults. Can be found in the cytoplasm, nucleus, and nucleolus
Function: Intermediate filament protein involved with the cytoskeleton. Mutations in cytokeratin 18 may predispose to liver disease upon exposure to some viruses or hepatoxins
Modification: Phosphorylation (Ser34, Ser53), glycosylation, acetylation (Ser2). Can also be cleaved at amino acid 238 and 397 by caspase family members
Interaction: Interacts with a number of proteins including caspase3, 14-3-3 gamma, 14-3-3 zeta, 14-3-3 sigma 14-3-3 beta, 14-3-3 eta, keratin 5, keratin 8, TNF receptor II, plakophilin 2, EGF receptor, usherin
Antigen
References:

1. Ku N, et al. 2003. Proc. Natl. Acad. Sci. 100:6063.
2. Kulesh DA and Oshima RG. 1989. Genomics 4:339.
3. Steinart PM and Roop DR. 1988. Ann. Rev. Biochem. 57:593.

GeneID: 3875
Latest Publications: View the latest Cytokeratin 18 articles on HighwirePress.com
UniProt: View information about Cytokeratin 18 on UniProt.org
Keywords: Purified anti-Cytokeratin 18, DA-7, Purified, Keratin 18, Keratin type I cytoskeletal 18 , Human, Western Blotting, Immunofluorescence microscopy, ELISA, Immunocytochemistry, Immunohistochemistry, Immunoprecipitation, Immunology, Antibodies
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Version: 1 Revision Date: 2012-11-30
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This data display is provided for general comparisons between formats. Your actual data may vary due to variations in samples, target cells, instruments and their settings, staining conditions, and other factors. If you need assistance with selecting the best format contact our expert technical support team.

  • Purified anti-Cytokeratin 18
    MCF-7 cell extract was resolved

    MCF-7 cell extract was resolved by electrophoresis, transferred to nitrocellulose and probed with monoclonal anti-cytokeratin 18 antibody (clone DA-7). Proteins were visualized using a goat anti-mouse secondary conjugated to HRP and a chemiluminescence detection system.

    Hela cells stained with purified

    Hela cells stained with purified mouse monoclonal antibody against Cytokeratin 18 (clone DA-7), followed by Rhodamine Red-X conjugated Donkey anti-mouse IgG and DAPI

    MCF-7 cells were stained with

    MCF-7 cells were stained with anti-Cytokeratin 18 (clone DA-7), followed by Alexa Fluor® 546 secondary antibody and DAPI (nuclei). Images were aquired on a Nikon FC300 inverted microscope at 20X magnification. Data provided by Dr. John Nolan, La Jolla Bioengineering Institute.

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