Cytokeratin, pan Antibody (7H8C4)

Novus Biologicals | Catalog # NBP1-51537

Novus Biologicals
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Key Product Details

Species Reactivity

Human

Applications

Immunohistochemistry, Immunohistochemistry-Paraffin, Western Blot, ELISA, Immunocytochemistry/ Immunofluorescence

Label

Unconjugated

Antibody Source

Monoclonal Mouse IgG1 Clone # 7H8C4
View all Cytokeratin, pan Primary Antibodies »

Product Specifications

Immunogen

Purified recombinant fragment of CK5 expressed in E. Coli.

Marker

Epithelial marker

Clonality

Monoclonal

Host

Mouse

Isotype

IgG1

Scientific Data Images for Cytokeratin, pan Antibody (7H8C4)

Western Blot: Cytokeratin, pan Antibody (7H8C4)BSA Free [NBP1-51537]

Western Blot: Cytokeratin, pan Antibody (7H8C4)BSA Free [NBP1-51537]

Western Blot: Cytokeratin, pan Antibody (7H8C4) [NBP1-51537] - Western blot analysis using CK mouse mAb against truncated CK5 recombinant protein.
Immunocytochemistry/ Immunofluorescence: Cytokeratin, pan Antibody (7H8C4) - BSA Free [NBP1-51537]

Immunocytochemistry/ Immunofluorescence: Cytokeratin, pan Antibody (7H8C4) - BSA Free [NBP1-51537]

Immunocytochemistry/Immunofluorescence: Cytokeratin, pan Antibody (7H8C4) [NBP1-51537] - Immunofluorescence staining of methanol-fixed Eca-109 (left) and HepG2 (right) cells showing cytoplasmic localization.
Immunohistochemistry-Paraffin: Cytokeratin, pan Antibody (7H8C4) - BSA Free [NBP1-51537]

Immunohistochemistry-Paraffin: Cytokeratin, pan Antibody (7H8C4) - BSA Free [NBP1-51537]

Immunohistochemistry-Paraffin: Cytokeratin, pan Antibody (7H8C4) [NBP1-51537] - Immunohistochemical analysis of paraffin-embedded human lung squamous cell carcinoma (A),normal hepatocyte (B), colon adenocacinoma, normal stomach tissue (D), showing cytoplasmic and membrane localization using CK mouse mAb with DAB staining.
Immunohistochemistry-Paraffin: Cytokeratin, pan Antibody (7H8C4) - BSA Free [NBP1-51537]

Immunohistochemistry-Paraffin: Cytokeratin, pan Antibody (7H8C4) - BSA Free [NBP1-51537]

Immunohistochemistry-Paraffin: Cytokeratin, pan Antibody (7H8C4) [NBP1-51537] - Immunohistochemical analysis of paraffin-embedded human Skin tissues using CK mouse mAb.

Applications for Cytokeratin, pan Antibody (7H8C4)

Application
Recommended Usage

ELISA

1:10000

Immunocytochemistry/ Immunofluorescence

1:200 - 1:1000

Immunohistochemistry

1:10 - 1:500

Immunohistochemistry-Paraffin

1:200 - 1:1000

Western Blot

1:500 - 1:2000

Formulation, Preparation, and Storage

Purification

Ascites

Formulation

Ascites

Preservative

0.03% Sodium Azide

Concentration

This product is unpurified. The exact concentration of antibody is not quantifiable.

Shipping

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

Stability & Storage

Store at 4C short term. Aliquot and store at -20C long term. Avoid freeze-thaw cycles.

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 (7H8C4)

Certificate of Analysis

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Product Specific Notices for Cytokeratin, pan Antibody (7H8C4)

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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Protocols

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FAQs for Cytokeratin, pan Antibody (7H8C4)

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  • Q: I would like to ask a question about two antibodies of your company they are antibodies for pan cytokeratin code NBP1-51537 and NBP1-51566 which are monoclonal antibodies against human cytokeratin (clone 7H8C4 and 7H8, respectively). I would like to know if besides human they also react with other species (eg mouse)?

    A: These antibodies have only been tested to react with human. If you have any further questions please feel free to let me know.

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