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Product Info Summary
| SKU: | PA1240 |
|---|---|
| Size: | 100 μg/vial |
| Reactive Species: | Human, Mouse, Rat |
| Host: | Rabbit |
| Application: | Flow Cytometry, IHC, WB |
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Product info
Product Name
Anti-Cytokeratin 8/KRT8 Antibody Picoband®
SKU/Catalog Number
PA1240
Size
100 μg/vial
Form
Lyophilized
Description
Boster Bio Anti-Cytokeratin 8/KRT8 Antibody catalog # PA1240. Tested in Flow Cytometry, IHC, WB applications. This antibody reacts with Human, Mouse, Rat. The brand Picoband indicates this is a premium antibody that guarantees superior quality, high affinity, and strong signals with minimal background in Western blot applications. Only our best-performing antibodies are designated as Picoband, ensuring unmatched performance.
Storage & Handling
Store at -20˚C for one year from date of receipt. After reconstitution, at 4˚C for one month. It can also be aliquotted and stored frozen at -20˚C for six months. Avoid repeated freeze-thaw cycles.
Cite This Product
Anti-Cytokeratin 8/KRT8 Antibody Picoband® (Boster Biological Technology, Pleasanton CA, USA, Catalog # PA1240)
Host
Rabbit
Contents
Each vial contains 4mg Trehalose, 0.9mg NaCl, 0.2mg Na2HPO4, 0.01mg NaN3.
Clonality
Polyclonal
Isotype
Rabbit IgG
Immunogen
A synthetic peptide corresponding to a sequence at the N-terminus of human Cytokeratin 8, different from the related rat and mouse sequences by one amino acid.
*Blocking peptide can be purchased. Costs vary based on immunogen length. Contact us for pricing.
Cross-reactivity
No cross-reactivity with other proteins
Reactive Species
PA1240 is reactive to KRT8 in Human, Mouse, Rat
Reconstitution
Add 0.2ml of distilled water will yield a concentration of 500ug/ml.
Observed Molecular Weight
54 kDa
Calculated molecular weight
53704 MW
Background of KRT8
Keratin, type II cytoskeletal 8, also known as cytokeratin-8 (CK-8) or keratin-8 (K8) is a keratin protein that is encoded in humans by the KRT8 gene. This gene is a member of the type II keratin family clustered on the long arm of chromosome 12. Type I and type II keratins heteropolymerize to form intermediate-sized filaments in the cytoplasm of epithelial cells. The product of this gene typically dimerizes with keratin 18 to form an intermediate filament in simple single-layered epithelial cells. This protein plays a role in maintaining cellular structural integrity and also functions in signal transduction and cellular differentiation. Mutations in this gene cause cryptogenic cirrhosis. Alternatively spliced transcript variants have been found for this gene.
Antibody Validation
Boster validates all antibodies on WB, IHC, ICC, Immunofluorescence, and ELISA with known positive control and negative samples to ensure specificity and high affinity, including thorough antibody incubations.
Application & Images
Applications
PA1240 is guaranteed for Flow Cytometry, IHC, WB Boster Guarantee
Assay Dilutions Recommendation
The recommendations below provide a starting point for assay optimization. The actual working concentration varies and should be decided by the user.
Western blot, 0.1-0.5μg/ml, Human, Mouse, Rat
Immunohistochemistry (Paraffin-embedded Section), 2-5μg/ml, Human, By Heat
Flow Cytometry(Fixed), 1-3 μg/1x106 cells, Human
Positive Control
WB: human MCF-7 whole cell, human CACO-2 whole cell, human HepG2 whole cell, huamn Jurkat whole cell, rat RH35 whole cell, mouse HEPA1-6 whole cell
IHC: human intestinal cancer tissue
FCM: CACO-2 cell
Validation Images & Assay Conditions
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Figure 1. Western blot analysis of KRT8 using anti-KRT8 antibody (PA1240).
Electrophoresis was performed on a 5-20% SDS-PAGE gel at 70V (Stacking gel) / 90V (Resolving gel) for 2-3 hours. The sample well of each lane was loaded with 30 ug of sample under reducing conditions.
Lane 1: human MCF-7 whole cell lysates,
Lane 2: human CACO-2 whole cell lysates,
Lane 3: human HepG2 whole cell lysates,
Lane 4: huamn Jurkat whole cell lysates,
Lane 5: rat RH35 whole cell lysates,
Lane 6: mouse HEPA1-6 whole cell lysates.
After electrophoresis, proteins were transferred to a nitrocellulose membrane at 150 mA for 50-90 minutes. Blocked the membrane with 5% non-fat milk/TBS for 1.5 hour at RT. The membrane was incubated with rabbit anti-KRT8 antigen affinity purified polyclonal antibody (Catalog # PA1240) at 0.5 μg/mL overnight at 4°C, then washed with TBS-0.1%Tween 3 times with 5 minutes each and probed with a goat anti-rabbit IgG-HRP secondary antibody at a dilution of 1:5000 for 1.5 hour at RT. The signal is developed using an Enhanced Chemiluminescent detection (ECL) kit (Catalog # EK1002) with Tanon 5200 system. A specific band was detected for KRT8 at approximately 54 kDa. The expected band size for KRT8 is at 54 kDa.
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Figure 2. IHC analysis of ITGB3 using anti-ITGB3 antibody (PA1240).
ITGB3 was detected in a paraffin-embedded section of human intestinal cancer tissue. Heat mediated antigen retrieval was performed in EDTA buffer (pH 8.0, epitope retrieval solution). The tissue section was blocked with 10% goat serum. The tissue section was then incubated with 2 μg/ml rabbit anti-ITGB3 Antibody (PA1240) overnight at 4°C. Peroxidase Conjugated Goat Anti-rabbit IgG was used as secondary antibody and incubated for 30 minutes at 37°C. The tissue section was developed using HRP Conjugated Rabbit IgG Super Vision Assay Kit (Catalog # SV0002) with DAB as the chromogen.
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Figure 3. Flow Cytometry analysis of CACO-2 cells using anti-KRT8 antibody (PA1240).
Overlay histogram showing CACO-2 cells stained with PA1240 (Blue line). To facilitate intracellular staining, cells were fixed with 4% paraformaldehyde and permeabilized with permeabilization buffer. The cells were blocked with 10% normal goat serum. And then incubated with rabbit anti-KRT8 Antibody (PA1240, 1 μg/1x106 cells) for 30 min at 20°C. DyLight®488 conjugated goat anti-rabbit IgG (BA1127, 5-10 μg/1x106 cells) was used as secondary antibody for 30 minutes at 20°C. Isotype control antibody (Green line) was rabbit IgG (1 μg/1x106) used under the same conditions. Unlabelled sample (Red line) was also used as a control.
Protein Target Info & Infographic
Gene/Protein Information For KRT8 (Source: Uniprot.org, NCBI)
Gene Name
KRT8
Full Name
Keratin, type II cytoskeletal 8
Weight
53704 MW
Superfamily
intermediate filament family
Alternative Names
Keratin, type II cytoskeletal 8;Cytokeratin-8;CK-8;Keratin-8;K8;Type-II keratin Kb8;KRT8;CYK8; KRT8 CARD2, CK-8, CK8, CYK8, K2C8, K8, KO keratin 8 keratin, type II cytoskeletal 8|cytokeratin-8|keratin 8, type II|type-II keratin Kb8
*If product is indicated to react with multiple species, protein info is based on the gene entry specified above in "Species".For more info on KRT8, check out the KRT8 Infographic
We have 30,000+ of these available, one for each gene! Check them out.
In this infographic, you will see the following information for KRT8: database IDs, superfamily, protein function, synonyms, molecular weight, chromosomal locations, tissues of expression, subcellular locations, post-translational modifications, and related diseases, research areas & pathways. If you want to see more information included, or would like to contribute to it and be acknowledged, please contact [email protected].
Specific Publications For Anti-Cytokeratin 8/KRT8 Antibody Picoband® (PA1240)
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Customer Q&As
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1 Customer Q&As for Anti-Cytokeratin 8/KRT8 Antibody Picoband®
Question
We are currently using anti-Cytokeratin 8/KRT8 antibody PA1240 for human tissue, and we are well pleased with the WB results. The species of reactivity given in the datasheet says human, mouse, rat. Is it true that the antibody can work on monkey tissues as well?
Verified Customer
Verified customer
Asked: 2019-02-04
Answer
The anti-Cytokeratin 8/KRT8 antibody (PA1240) has not been tested for cross reactivity specifically with monkey tissues, but there is a good chance of cross reactivity. We have an innovator award program that if you test this antibody and show it works in monkey you can get your next antibody for free. Please contact me if I can help you with anything.
Boster Scientific Support
Answered: 2019-02-04
