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MAB1620

Sigma-Aldrich

Anti-Cytokeratin 5 Antibody, 6, clone D5/16B4

clone D5/16B4, Chemicon®, from mouse

Sinónimos:

58 kDa cytokeratin, Cytokeratin-5, CK-5, Keratin-5, K5, Type-II keratin Kb5

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About This Item

UNSPSC Code:
12352203
eCl@ss:
32160702
NACRES:
NA.41

biological source

mouse

Quality Level

antibody form

purified immunoglobulin

clone

D5/16B4, monoclonal

species reactivity

rat, mouse, human

manufacturer/tradename

Chemicon®

technique(s)

immunofluorescence: suitable
immunohistochemistry: suitable (paraffin)
western blot: suitable

isotype

IgG1

NCBI accession no.

UniProt accession no.

shipped in

wet ice

target post-translational modification

unmodified

Gene Information

human ... KRT5(3852)

General description

The cytokeratins are a family of intermediate filaments found in almost all epithelial cells. They are divided into four subclasses depending on their patterns of reactivity and electrophoretic characteristics and are also arranged I a numbered series of 20 or more acoring to molecular weight and isoelectric point (Quinlan et al. 1985). Types 5 and 6 of cytokeratin (CK5/6) are in high frequency in mesothelial cells, as opposed to cells of adenocarcinoma. CK5/6 has been shown to be a reliable marker for mesothelioma and squamous cell carcinoma of the lung and Bowen′s disease. It does not react with pulmonary adenocarcinoma.

Specificity

Expected to cross-react with mouse and rat.
Reacts with human cytokeratin 5 on immunoblots of cytoskeletal preparations of epidermis and non-cytokeratinizing epithelium (Abstract: European Symposium of the Biology of the Cytoskeleton, Helsinki, 18-21, 6, 89, 1989) and on tissue sections. Shows reactivity with cytokeratin 6 and weak reactivity with cytokeratin 4 on immunoblots. No cross-reactivity with cytokeratins 1, 7, 8, 10, 13, 14, 18 or 19. MAB1620 recognizes basal cells and a part of the stratum spinosum in the normal pavement epithelium. The antibody may be useful for distinction of low differentiated pavement epithelium carcinoma and adenocarcinoma. The antibody works on formalin fixed tissues.

Immunogen

Purified cytokeratin 5 (Exp. Cell Res. (1986) 162:114; J. Invest. Dermatology (1987) 88:191).

Application

Anti-Cytokeratin 5 Antibody, 6, clone D5/16B4 is an antibody against Cytokeratin 5 for use in IF, IH(P) & WB.
Immunohistochemistry (frozen or paraffin sections):
A 1:50-1:100 dilution from a previous lot was used for paraffin, high-temperature antigen retrieval required (Pressure cooker, Citrate/EDTA buffer pH 6.0, 4 minutes at full pressure).

Immunofluorescence:
A previous lot of this antibody was used in Immunofluorescence.

Western blot:
Recognizes a 58kDa and 56kDa band corresponding to cytokeratin 5 and 6.

Optimal working dilutions must be determined by end user.
Research Category
Cell Structure
Research Sub Category
Cytoskeleton

Quality

Routinely evaluated by Western Blot on A431 lysates.

Western Blot Analysis:
1:500 dilution of this lot detected cytokeratin 5/6 on 10 ug of A431 lysates.

Target description

Cytokeratin 4 (59 kDa), Cytokeratin 5 (58 kDa) and Cytokeratin 6 (56 kDa).

Physical form

Format: Purified
Protein A purified
Purified mouse monoclonal IgG1 in buffer containing 0.02 M Phosphate buffer, 0.25 M NaCl, pH 7.6 with 0.1% sodium azide.

Storage and Stability

Stable for 6 months at 2-8°C in undiluted aliquots from date of receipt.

Analysis Note

Control
A431 cell lysate, human bladder tumor tissue.

Other Notes

Concentration: Please refer to the Certificate of Analysis for the lot-specific concentration.

Legal Information

CHEMICON is a registered trademark of Merck KGaA, Darmstadt, Germany

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.

Optional

Storage Class

10 - Combustible liquids

wgk_germany

WGK 2


Certificados de análisis (COA)

Busque Certificados de análisis (COA) introduciendo el número de lote del producto. Los números de lote se encuentran en la etiqueta del producto después de las palabras «Lot» o «Batch»

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Variation and frequency of cytokeratin polypeptide patterns in human squamous non-keratinizing epithelium.
Wild, G A and Mischke, D
Experimental Cell Research, 162, 114-126 (1986)
Julien Parra et al.
Scientific reports, 7, 43682-43682 (2017-03-09)
Post-translational modifications (PTMs) are essential processes conditioning the biophysical properties and biological activities of the vast majority of mature proteins. However, occurrence of several distinct PTMs on a same protein dramatically increases its molecular diversity. The comprehensive understanding of the
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Pathology Oncology Research null
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Modern pathology : an official journal of the United States and Canadian Academy of Pathology, Inc, 23(7), 951-960 (2010-05-11)
Breast adenosquamous carcinomas are rare tumours characterized by well-developed gland formation intimately admixed with solid nests of squamous cells immersed in a highly cellular spindle cell stroma. A low-grade variant has been described that is associated with a better prognosis.

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