Cytokeratin 5, CT (Cytokeratin-5, CK 5, CK5, CK-5, 58kD Cytokeratin, DDD, EBS 2, EBS2, Keratin 5 (Epidermolysis Bullosa Simplex Dowling Meara/Kobner/Weber Cockayne Types), Keratin-5, Keratin Type II Cytoskeletal 5, K5, KRT5, KRT5A)

Keratins are a family of structurally related proteins that form the intermediate filament cytoskeleton in epithelial cells. The 58-kD keratin CK-5 is highly similar to other type II keratins and less similar to type I keratins and other intermediate filament proteins. The 58-kD keratin is regulated by retinoids in several tissues and is one of four keratins abundantly expressed in epidermal keratinocytes, where it may be important in maintaining structural integrity of the integument (1). Keratin 5 (CK-5) mRNA and protein are shown to be expressed in normal mammary epithelial cells in culture and are absent from tumor-derived cell lines. This makes CK-5 an important marker in the tumorigenic process, distinguishing normal from tumor cells, and decreased CK-5 expression correlates with tumorigenic progression (2). Dowling-Degos disease (DDD) is an autosomal dominant genodermatosis characterized by progressive and disfiguring reticulate hyperpigmentation of the flexures. Loss of function of CK-5 suggests a crucial role for keratins in the organization of cell adhesion, melanosome uptake, organelle transport, and nuclear anchorage (3).\n\nApplications:\nSuitable for use in Western Blot, Immunohistochemistry, Immunocytochemistry. Other applications not tested.\n\nRecommended Dilution:\nWestern Blot: 1:10,000\nImmunohistochemistry: 1:100-250\nImmunocytochemistry 1:100-250\nOptimal dilutions to be determined by the researcher.\n\nStorage and Stability:\nMay be stored at 4 degrees C for short-term only. For long-term storage, store at -20 degrees C. Aliquots are stable for at least 12 months at -20 degrees C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer. \n\nManufactured incorporating RabMAb(R) technology under Epitomics US patents, No 5,675,063 and 7,429,487, owned by Abcam.

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SPECIFICATIONS

Catalog Number

C9097-37P3

Size

100ul

Applications

ICC, IHC, WB

Hosts

Rabbit

Reactivities

Hum

Form

Supplied as a liquid in 50mM Tris-glycine, pH 7.4, 0.15M sodium chloride, 40% glycerol, 0.01% sodium azide, 0.05% BSA.

P Type

Mab

Purity

Supernatant

Isotype

IgG

References

1. Eckert RL, et al. DNA 7(5):337-45, 1988. 2. Trask DK, et al. Proc Natl Acad Sci 87(6)2319-23, 1990\n3. Betz RC, et al. Am J Hum Genet 78(3):510-9, 2006.\n

Additional Info

Recogizes human Cytokeratin 5.