Thermo Fisher Scientific Cytokeratin 4 Monoclonal Antibody (2F9)
Rabbit monoclonal antibody (clone 2F9) specific for human Cytokeratin 4. Validated for WB, IHC(P), and ICC/IF applications. Supplied as a liquid, unconjugated form at 1 mg/mL. Ideal for epithelial tissue characterization and tumor differentiation studies.
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Applications and Tested Dilution
| Application | Tested Dilution |
|---|---|
| Western Blot (WB) | 1:1,000 |
| Immunohistochemistry (Paraffin) (IHC (P)) | 1:50 |
| Immunocytochemistry (ICC/IF) | 1:200 |
Product Specifications
| Specification | Description |
|---|---|
| Host / Isotype | Rabbit / IgG |
| Class | Monoclonal |
| Type | Antibody |
| Clone | 2F9 |
| Immunogen | Recombinant human Cytokeratin 4 protein (around 350–480 aa) |
| Conjugate | Unconjugated |
| Form | Liquid |
| Concentration | 1 mg/mL |
| Storage Conditions | -20°C |
| Shipping Conditions | Wet ice |
Target Information
Cytokeratins are a subfamily of intermediate filament proteins characterized by remarkable biochemical diversity, represented in human epithelial tissues by at least 20 different polypeptides. They range in molecular weight between approximately 40 kDa and 68 kDa and have isoelectric points between 4.9–7.8. Each human cytokeratin is numbered 1 to 20.
Different epithelia express cytokeratins that are characteristic of their type and degree of differentiation. Cytokeratin subtype expression patterns are increasingly used to distinguish various epithelial malignancies. Cytokeratin antibodies assist in tumor differential diagnosis via immunohistochemistry and are valuable tools in cytopathology and flow cytometry assays.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
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