Cytokeratin 18 Rabbit Monoclonal Antibody(ARA800)
WB | 1:2000-1:5000 |
IHC | 1:800-1:1600 |
IF/ICC | 1:800-1:2000 |
IP | 1:25 |
Description | Rabbit Monoclonal Antibody to Cytokeratin 18 |
Antibody Type | Primary antibody |
Predicted MW | 48kDa |
Immunogen | A synthetic peptide corresponding to residues on the C-terminus of human Cytokeratin 18 was used as an immunogen. |
Purification | ProA affinity purified IgG |
Form/Buffer | PBS 59%, Sodium azide 0.01%, Glycerol 40%, BSA 0.75%. |
Alternative Names | CYK18; Keratin, type I cytoskeletal 18; Cell proliferation-inducing gene 46 protein; Cytokeratin-18; CK-18; Keratin-18; K18 |
Gene Symbol | KRT18 |
Entrez Gene | 3875(Human); 16668(Mouse); 294853(Rat) |
Swissprot | P05783 |
*Clone Number, Reactivity, Source/Host and Clonality can be found in the product name and Key Features section above.

All lanes: Anti-Cytokeratin 18 antibody at 1:10,000 dilution
Predicted MW: 48 kDa
Observed MW: 48 kDa
Lane 1: Hela
Lane 2: A431
Lane 3: HepG2
Lane 4: T47D
Lane 5: MCF-7
Lane 6: A549
Lysate at 10 µg per lane
2nd Ab:
GAR HRP(H+L) 1:5,000

All lane: Anti-Cytokeratin 18 antibody at 1:5,000 dilution
Predicted MW: 48 kDa
Observed MW: 48 kDa
Lane 1: Rat Liver
Lysate at 10 µg per lane
2nd Ab:
GAR HRP(H+L) 1:5,000

Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) analysis of colonic adenocarcinoma tissue labelling Cytokeratin 18 with ARA800 at 1:1,600. Heat mediated antigen retrieval was performed using Tris/EDTA buffer pH 9.0.

ARA800 staining Cytokeratin 18 in HCT-116 cells by IF/ICC (immunofluorescence/immunocytochemistry). Cells were fixed with paraformaldehyde, permeabilized with 0.1% Triton X-100 and blocked with 10% goat serum for half an hour at room temperature. Samples were incubated with primary antibody (1:2,000) at 4°C. An Alexa Fluor<sup>®</sup> 488-conjugated Goat Anti-Rabbit IgG polyclonal was used as the secondary antibody (1:500). DAPI (blue) was used as the nuclear counter stain.
Control: PBS and secondary antibody, An Alexa Fluor<sup>®</sup> 488-conjugated Goat Anti-Rabbit IgG (1:500).

Overlay histogram showing HCT-116 cells stained Cytokeratin 18 with ARA800 (Red). The cells were fixed with 4% paraformaldehyde (10 min) and then permeabilized with 0.1% TritonX-100 for 15 min. The cells were then incubated in the antibody (ARA800, 1:2,000 dilution) in 1x PBS/1% BSA for 30 min at room temperature. The secondary antibody used was a Goat Anti-Rabbit Alexa Fluor<sup>®</sup> 488 (IgG H+L) at 1:2,000 dilution for 20 min at room temperature. Unlabelled sample (Black) was used as a control.

Cytokeratin 18 was immunoprecipitated from 0.4mg of Hela whole cell lysate with ARA800 at 1:25 dilution.
2nd Ab:
GAR HRP for IP 1:500
Lane 1: ARA800 IP in Hela whole cell lysate
Lane 2: PBS instead of ARA800 in Hela whole cell lysate
Lane 3: Hela whole cell lysate, 10 µg (input)
Exposure: 20s
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