Cytokeratin 8/18 Antibody
Cytokeratin 8 (CK8) belongs to the type II (or B or basic) subfamily of high molecular weight cytokeratins and exists in combination with cytokeratin 18 (CK18) . This mAb recognizes all simple epithelia including glandular epithelium, for example thyroid, female breast, gastrointestinal tract, respiratory tract, and urogenital tract including transitional epithelium. All adenocarcinomas and most squamous carcinomas are positive but keratinizing squamous carcinomas are usually negative. This antibody is useful in demonstrating the presence of Paget cells; there is very little keratin 18 in the normal epidermis so only Paget cells are stained.
Product Specifications
CAS Number
9007-83-4
Specifications
Immunohistochemistry (FFPE) : 1-2 µg/mL for 30 min at RT (1), Prediluted IHC only format: incubate for 30 min at RT (2)
UniProt
P05787, P05783
Host
Mouse
Reactivity
Human
Immunogen
A Keratin preparation from human breast carcinoma MCF-7 cells was used as the immunogen for the Cytokeratin 8/18 antibody.
Clonality
Monoclonal
Isotype
IgG1 k
Clone
SPM141
Applications
IHC-P
Purity
Protein G affinity chromatography
Format
Purified
Buffer
0.2 mg/ml in 1X PBS with 0.1 mg/ml BSA (US sourced) and 0.05% sodium azide
Reconstitution
Store the Cytokeratin 8/18 antibody at 2-8oC (with azide) or aliquot and store at -20oC or colder (without azide).
Limitations
This Cytokeratin 8/18 antibody is available for research use only.
Storage Conditions
Store the Cytokeratin 8/18 antibody at 2-8°C (with azide) or aliquot and store at -20°C or colder (without azide) .
Formulation
0.2 mg/mL in 1X PBS with 0.1 mg/mL BSA (US sourced) and 0.05% sodium azide
Location
Cytoplasmic
Image Legend
IHC analysis of formalin-fixed, paraffin-embedded human lung carcinoma stained with Cytokeratin 8/18 antibody (clone SPM141) .
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