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C9179

Sigma-Aldrich

Monoclonal Anti-Cytokeratin Peptide 17 antibody produced in mouse

clone CK-E3, ascites fluid

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About This Item

MDL number:
UNSPSC Code:
12352203
NACRES:
NA.41

biological source

mouse

conjugate

unconjugated

antibody form

ascites fluid

antibody product type

primary antibodies

clone

CK-E3, monoclonal

contains

15 mM sodium azide

species reactivity

rat, human, bovine, pig, goat

technique(s)

indirect immunofluorescence: 1:400 using acetone-fixed frozen sections of human salivary gland
microarray: suitable
western blot: suitable

isotype

IgG2b

UniProt accession no.

shipped in

dry ice

storage temp.

−20°C

target post-translational modification

unmodified

Gene Information

human ... KRT17(3872)

General description

Cytokeratin 17, with a molecular weight of 46 kDa, is a member of the type I acidic subfamily of cytokeratins that is expressed in normal human epithelial tissues such as glandular epithelium with myoepithelial component, transitional and pseudostratified epithelia. This protein may be involved in the generation of spatial organization of epithelial tissues.

Specificity

Recognizes specifically human cytokeratin 17 (46-47 kDa) and rat cytokeratin 19 (40 kDa). The antibody labels intermediate filaments in human cultured epitheloid carcinoma cell line (HeLa) and in rat hepatoma cells, but does not stain rat fibroblasts in primary cultures. It stains a minor basal cell population in all variants of complex epithelia; strong staining was noted in myoepithelial cells of all glands studied. The antibody exhibits a wide interspecies cross-reactivity, however, the recognized cytokeratin was not studied in cases other than human and rat. The epitope detected by the antibody is sensitive to formalin fixation.

Immunogen

cytoskeletal preparation from rat colon epithelium.

Application

Applications in which this antibody has been used successfully, and the associated peer-reviewed papers, are given below.
Immunohistochemistry (1 paper)
Monoclonal Anti-Cytokeratin Peptide 17 antibody produced in mouse is suitable for western blotting, microarray and indirect immunofluorescence at a working dilution of 1:400 using acetone-fixed frozen sections of human salivary gland. It recognizes an epitope present in epithelial tissues and may be used for typing of normal, metaplastic and neoplastic cells. It may be useful in the discrimination of carcinomas and non-epithelial tumors such as sarcomas, lymphomas and neural tumors. It may also be used for the localization of cytokeratin 17 using various immunochemical assays such as dot blotting and immunohistochemistry. It has been used in the detection of expression of inducible keratin k17 in human keratinocytes in pachyonychia congenita patients.

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 Code

10 - Combustible liquids

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Regulatory Information

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Paul E Bowden et al.
Veterinary dermatology, 20(5-6), 347-359 (2010-02-25)
Canine claws are complex epithelial structures resembling the mammalian hair fibre, and human nail plate, in terms of tissue-specific differentiation. They are composed of several distinct epithelial cell lineages undergoing either hard or soft keratinization. The claw plate has three
John A Wisler et al.
Toxicologic pathology, 39(5), 809-822 (2011-06-17)
Seven novel and potent Raf small molecule kinase inhibitors (C1-7) were evaluated in seven-day oral repeat dose rat toxicity studies. All compounds tested induced hyperplasia in multiple tissues. Consistently affected was stratified squamous epithelium at a number of sites and
Ayşegül Doğan et al.
Cell biology international, 39(1), 94-103 (2014-08-01)
Current clinical techniques in dental practice include stem cell and tissue engineering applications. Dental stem cells are promising primary cell source for mainly tooth tissue engineering. Interaction of mesenchymal stem cell with epithelial and endothelial cells is strictly required for
S M Troyanovsky et al.
Journal of cell science, 93 ( Pt 3), 419-426 (1989-07-01)
By immunomorphology, using keratin 17-specific monoclonal antibody, it has been shown that this keratin is expressed only in the basal cells of a group of complex epithelia: glandular epithelium with myoepithelial component, transitional and pseudostratified epithelia. Immunolocalization of keratin 17
Robyn P Hickerson et al.
Journal of dermatological science, 56(2), 82-88 (2009-08-25)
The macrolide sirolimus (rapamycin) selectively blocks translation of mRNAs containing a terminal 5' oligopyrimidine (TOP) tract by altering the activity of mammalian target of rapamycin (mTOR) and inhibiting downstream mTOR pathway components involved in TOP mRNA translation. The skin disorder

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