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Cytokeratin, pan Antibody (C-11) [Alexa Fluor® 750]

Novus Biologicals, part of Bio-Techne | Catalog # NBP1-48348AF750

Novus Biologicals, part of Bio-Techne
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NBP1-48348AF750

Key Product Details

Species Reactivity

Human, Mouse, Guinea Pig, Mammal

Applications

CyTOF-ready, Flow (Intracellular), Flow Cytometry, Immunocytochemistry/ Immunofluorescence, Immunohistochemistry, Immunohistochemistry-Paraffin, Immunoprecipitation, Western Blot

Label

Alexa Fluor 750 (Excitation = 749 nm, Emission = 775 nm)

Antibody Source

Monoclonal Mouse IgG1 Clone # C-11

Concentration

Please see the vial label for concentration. If unlisted please contact technical services.

Product Specifications

Immunogen

This Cytokeratin, pan Antibody (C-11) was developed against a keratin-enriched preparation from human epidermoid carcinoma cell line A431.

Reactivity Notes

Mouse reactivity reported in (PMID:26574781). Please note that this antibody is reactive to Mouse and derived from the same host, Mouse. Mouse-On-Mouse blocking reagent may be needed for IHC and ICC experiments to reduce high background signal. You can find these reagents under catalog numbers PK-2200-NB and MP-2400-NB. Please contact Technical Support if you have any questions.

Specificity

This Mouse monoclonal Cytokeratin (Pan-reactive) antibody reacts with Cytokeratin peptides 4, 5, 6, 8, 10, 13, 18. Cytokeratins are a member of intermediate filaments subfamily represented in epithelial tissues.

Clonality

Monoclonal

Host

Mouse

Isotype

IgG1

Applications for Cytokeratin, pan Antibody (C-11) [Alexa Fluor® 750]

Application
Recommended Usage

CyTOF-ready

Optimal dilutions of this antibody should be experimentally determined.

Flow (Intracellular)

Optimal dilutions of this antibody should be experimentally determined.

Flow Cytometry

Optimal dilutions of this antibody should be experimentally determined.

Immunocytochemistry/ Immunofluorescence

Optimal dilutions of this antibody should be experimentally determined.

Immunohistochemistry

Optimal dilutions of this antibody should be experimentally determined.

Immunohistochemistry-Paraffin

Optimal dilutions of this antibody should be experimentally determined.

Immunoprecipitation

Optimal dilutions of this antibody should be experimentally determined.

Western Blot

Optimal dilutions of this antibody should be experimentally determined.
Application Notes
Optimal dilution of this antibody should be experimentally determined.

Formulation, Preparation, and Storage

Purification

Protein A purified

Formulation

50mM Sodium Borate

Preservative

0.05% Sodium Azide

Concentration

Please see the vial label for concentration. If unlisted please contact technical services.

Shipping

The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.

Stability & Storage

Store at 4C in the dark.

Background: Cytokeratin, pan

Cytokeratins are a family of intermediate filamentous proteins that are expressed by epithelial cells (1,2). Cytokeratins range in size with a theoretic molecular weight varying from approximately 40 kDa to 68 kDa (2,3). The cytokeratin family consists of 20 polypeptides that are further divided into two main groups based on isoelectric point and molecular weight (1-3). The type I group are smaller, acidic polypeptides designated as cytokeratin 9 through cytokeratin 20 (CK9 - CK20) (1-4). Conversely, CK1 - CK8 belong to the type II group, classified as larger, basic or neutral polypeptides (1-4). Structurally, cytokeratins have homologous basic structure with other intermediate filaments; they possess a 300-315 amino acid (aa) central helical region that consists of four conserved domains (1A, 2A, 1B, and 2B) which are separated by linker domains (L1, L12, and L2) (1,5). Additionally, flanking this central region, both the amino- and carboxyl-terminal ends have a homologous subdomain (H), a variable domain (V), and charged end subdomains (E) (1). Furthermore, the central rod of one cytokeratin monomer binds with another monomer to form a coiled-coil dimer which subsequently binds another dimer to form a tertramer (3). Finally, many tetramers join together to ultimately form an intermediate filament of approximately 10nm in diameter (1-3, 5). Cytokeratins are expressed as pairs, typically with a type I and type II member; for example, CK10 pairs with CK1 (1,3).

Epithelial cells express multiple subtypes of cytokeratins which can be used to classify epithelial cell type or differentiation status, as well tumor progression or diagnosis (2). Cytokeratins are important for both stability and integrity of epithelial cells and function in intracellular signaling, from wound healing to apoptosis (1). Cytokeratins are useful immunohistochemistry tumor markers and antibodies to cytokeratins are a common pathological tool (1,3,6). Cytokeratin pan antibody is an antibody cocktail mixture that can detect multiple cytokeratins and reacts to multiple epithelial tissues (1,3,6). For example, AE-1/AE-3 is a commonly used specific pan cytokeratin that detects cytokeratins 1-8, 10, 14-16 and 19 (1,3,6).

Given the role of cytokeratins in the structural integrity of epithelial cells, mutations in cytokeratins have been shown to play a role in a variety of human diseases including epidermolysis bullosa simplex (EBS) (4,5). EBS is an autosomal dominant disorder that is caused by missense mutations in either CK5 or CK14 (5). Other known cytokeratin-related disorders include bullous ichthyosis, a skin disorder characterized by redness, blistering, and hyperkeratosis, and epidermolytic palmoplantar keratoderma (EPPK), which results in hyperkeratosis on the palms and soles of the body (7).

References

1. Awasthi, P., Thahriani, A., Bhattacharya, A., Awasthi, P., & Keratins, B. A. (2016). Keratins or cytokeratins: a review article. Journal of Advanced Medical and Dental Sciences Research. https://10.21276/jamdsr.2016.4.4.30

2. Southgate, J., Harnden, P., & Trejdosiewicz, L. K. (1999). Cytokeratin expression patterns in normal and malignant urothelium: a review of the biological and diagnostic implications. Histology and histopathology. https://doi.org/10.14670/HH-14.657

3. Belaldavar, C., Mane, D. R., Hallikerimath, S., Kale, A. D. (2016). Cytokeratins: Its role and expression profile in oral health and disease. Journal of Oral and Maxillofacial Surgery, Medicine, and Pathology. https://doi.org/10.1016/j.ajoms.2015.08.001.

4. Linder S. (2007). Cytokeratin markers come of age. Tumour biology : the journal of the International Society for Oncodevelopmental Biology and Medicine. https://doi.org/10.1159/000107582

5. Jacob, J. T., Coulombe, P. A., Kwan, R., & Omary, M. B. (2018). Types I and II Keratin Intermediate Filaments. Cold Spring Harbor perspectives in biology. https://doi.org/10.1101/cshperspect.a018275

6. Ordonez N. G. (2013). Broad-spectrum immunohistochemical epithelial markers: a review. Human pathology. https://doi.org/10.1016/j.humpath.2012.11.016

7. McLean, W. H., & Moore, C. B. (2011). Keratin disorders: from gene to therapy. Human molecular genetics. https://doi.org/10.1093/hmg/ddr379

Alternate Names

AEI2, CK1, EHK, EPPK, K1, KRT1A, NEPPK

Gene Symbol

KRT1

Additional Cytokeratin, pan Products

Product Documents for Cytokeratin, pan Antibody (C-11) [Alexa Fluor® 750]

Certificate of Analysis

To download a Certificate of Analysis, please enter a lot number in the search box below.

Product Specific Notices for Cytokeratin, pan Antibody (C-11) [Alexa Fluor® 750]



Alexa Fluor (R) products are provided under an intellectual property license from Life Technologies Corporation. The purchase of this product conveys to the buyer the non-transferable right to use the purchased product and components of the product only in research conducted by the buyer (whether the buyer is an academic or for-profit entity). The sale of this product is expressly conditioned on the buyer not using the product or its components, or any materials made using the product or its components, in any activity to generate revenue, which may include, but is not limited to use of the product or its components: (i) in manufacturing; (ii) to provide a service, information, or data in return for payment; (iii) for therapeutic, diagnostic or prophylactic purposes; or (iv) for resale, regardless of whether they are resold for use in research. For information on purchasing a license to this product for purposes other than as described above, contact Life Technologies Corporation, 5791 Van Allen Way, Carlsbad, CA 92008 USA or outlicensing@lifetech.com. This conjugate is made on demand. Actual recovery may vary from the stated volume of this product. The volume will be greater than or equal to the unit size stated on the datasheet.

This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.

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