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Cytokeratin 8 (KRT8) Antibody – Rabbit Polyclonal

For Research Use Only. Not for use in diagnostic procedures. Catalog #: MBS1750641

Description: 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.… More details

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Product Overview

Online Datasheet in PDF
Product Name
Cytokeratin 8 (KRT8), Polyclonal Antibody
Full Product Name
Anti-Cytokeratin 8 Picoband Antibody
Product Gene Name
Product Synonym Names
Keratin, type II cytoskeletal 8; Cytokeratin-8; CK-8; Keratin-8; K8; Type-II keratin Kb8; KRT8; CYK8
Clonality
Polyclonal
Host
Rabbit
Species Reactivity
Human, Mouse, Rat
No cross reactivity with other proteins
Form/Format
Lyophilized
Purity/Purification
Immunogen affinity purified
Concentration
Add 0.2ml of distilled water will yield a concentration of 500ug/ml. (lot specific)
Preparation and Storage
Store at -20 degree C for one year. After reconstitution, at 4 degree C for one month. It can also be aliquotted and stored frozen at -20 degree C for a longer time. Avoid repeated freezing and thawing.
Molecular Weight
53704 MW
OMIM
M34482 Genomic DNA
3D Structure
ModBase 3D Structure for P05787
Immunogen
E Coli-derived human Cytokeratin 8 recombinant protein (Position: D107-K325). Human Cytokeratin 8 shares 95.4% and 94.5% amino acid (aa) sequence identity with mouse and rat Cytokeratin 8, respectively.
Subcellular Localization
Cytoplasm. Nucleus, nucleoplasm. Nucleus matrix.
Tissue Specificity
Observed in muscle fibers accumulating in the costameres of myoplasm at the sarcolemma membrane in structures that contain dystrophin and spectrin. Expressed in gingival mucosa and hard palate of the oral cavity.
Reconstitution
Add 0.2ml of distilled water will yield a concentration of 500ug/ml.
Contents
Each vial contains 5mg BSA, 0.9mg NaCl, 0.2mg Na2HPO4, 0.05mg NaN3.
ISO Certification
Manufactured in an ISO 13485:2003 and EN ISO 13485:2012 Certified Laboratory.
Applications Tested/Suitable for anti-KRT8 antibody
Immunohistochemistry (IHC), Western Blot (WB)
Application Notes for anti-KRT8 antibody
Immunohistochemistry (Paraffin-embedded Section): 0.5-1mug/ml (By Heat)
WB: 0.1-0.5mug/ml

Western Blot (WB) of anti-KRT8 antibody

Figure 1. Western blot analysis of Cytokeratin 8 using anti- Cytokeratin 8 antibody (MBS1750641).
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 50ug of sample under reducing conditions.
Lane 1: rat liver tissue lysates,
Lane 2: mouse ovary tissue lysates,
Lane 3: mouse liver tissue lysates,
Lane 4: MCF-7 whole cell lysates,
Lane 5: A549 whole cell lysates,
Lane 6: HELA whole Cell lysates.
After Electrophoresis, proteins were transferred to a Nitrocellulose membrane at 150mA 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- Cytokeratin 8 antigen affinity purified polyclonal antibody at 0.5ug/mL overnight at 4 degree 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 1:10000 for 1.5 hour at RT. The signal is developed using an Enhanced Chemiluminescent detection (ECL) kit with Tanon 5200 system. A specific band was detected for Cytokeratin 8 at approximately 54KD, 56KD. The expected band size for Cytokeratin 8 is at 54KD.
Rabbit Anti-KRT8 Polyclonal Antibody – Cat# MBS1750641

Immunohistochemistry (IHC) of anti-KRT8 antibody

Figure 2. IHC analysis of Cytokeratin 8 using anti- Cytokeratin 8 antibody (MBS1750641).
Cytokeratin 8 was detected in paraffin-embedded section of mouse liver tissues. Heat mediated antigen retrieval was performed in citrate buffer (pH6, epitope retrieval solution) for 20 mins. The tissue section was blocked with 10% goat serum. The tissue section was then incubated with 1ug/ml rabbit anti- Cytokeratin 8 Antibody (MBS1750641) overnight at 4 degree C. Biotinylated goat anti-rabbit IgG was used as secondary antibody and incubated for 30 minutes at 37 degree C. The tissue section was developed using Strepavidin-Biotin-Complex (SABC) with DAB as the chromogen.
Rabbit Anti-KRT8 Polyclonal Antibody, Immunohistochemistry (IHC) – Cat# MBS1750641

Immunohistochemistry (IHC) of anti-KRT8 antibody

Figure 3. IHC analysis of Cytokeratin 8 using anti- Cytokeratin 8 antibody (MBS1750641).
Cytokeratin 8 was detected in paraffin-embedded section of rat intestine tissues. Heat mediated antigen retrieval was performed in citrate buffer (pH6, epitope retrieval solution) for 20 mins. The tissue section was blocked with 10% goat serum. The tissue section was then incubated with 1ug/ml rabbit anti- Cytokeratin 8 Antibody (MBS1750641) overnight at 4 degree C. Biotinylated goat anti-rabbit IgG was used as secondary antibody and incubated for 30 minutes at 37 degree C. The tissue section was developed using Strepavidin-Biotin-Complex (SABC) with DAB as the chromogen.
Rabbit Anti-KRT8 Polyclonal Antibody, Immunohistochemistry (IHC) – Cat# MBS1750641

Immunohistochemistry (IHC) of anti-KRT8 antibody

Figure 4. IHC analysis of Cytokeratin 8 using anti- Cytokeratin 8 antibody (MBS1750641).
Cytokeratin 8 was detected in paraffin-embedded section of human tonsil tissues. Heat mediated antigen retrieval was performed in citrate buffer (pH6, epitope retrieval solution) for 20 mins. The tissue section was blocked with 10% goat serum. The tissue section was then incubated with 1ug/ml rabbit anti- Cytokeratin 8 Antibody (MBS1750641) overnight at 4 degree C. Biotinylated goat anti-rabbit IgG was used as secondary antibody and incubated for 30 minutes at 37 degree C. The tissue section was developed using Strepavidin-Biotin-Complex (SABC) with DAB as the chromogen.
Rabbit Anti-KRT8 Polyclonal Antibody, Immunohistochemistry (IHC) – Cat# MBS1750641

Immunohistochemistry (IHC) of anti-KRT8 antibody

Figure 5. IHC analysis of Cytokeratin 8 using anti- Cytokeratin 8 antibody (MBS1750641).
Cytokeratin 8 was detected in paraffin-embedded section of human mammary cancer tissues. Heat mediated antigen retrieval was performed in citrate buffer (pH6, epitope retrieval solution) for 20 mins. The tissue section was blocked with 10% goat serum. The tissue section was then incubated with 1ug/ml rabbit anti- Cytokeratin 8 Antibody (MBS1750641) overnight at 4 degree C. Biotinylated goat anti-rabbit IgG was used as secondary antibody and incubated for 30 minutes at 37 degree C. The tissue section was developed using Strepavidin-Biotin-Complex (SABC) with DAB as the chromogen.
Rabbit Anti-KRT8 Polyclonal Antibody, Immunohistochemistry (IHC) – Cat# MBS1750641

Other Notes

Small volumes of anti-KRT8 antibody vial(s) may occasionally become entrapped in the seal of the product vial during shipment and storage. If necessary, briefly centrifuge the vial on a tabletop centrifuge to dislodge any liquid in the container`s cap. Certain products may require to ship with dry ice and additional dry ice fee may apply.

Searchable Terms for KRT8 purchase

MBS1750641 is an antibody targeting KRT8. Also known as Anti-Cytokeratin 8 Picoband Antibody. Reactive in Human, Mouse, Rat
No cross reactivity with other proteins. Host: Rabbit.

Additional Details

NCBI/Uniprot data below describe general gene information for KRT8. It may not necessarily be applicable to this product.

NCBI GI #
NCBI GeneID
NCBI Accession #
UniProt Primary Accession #
UniProt Secondary Accession #
UniProt Related Accession #
GenBank Nucleotide #
NCBI Official Full Name
keratin, type II cytoskeletal 8 isoform 2
NCBI Official Synonym Full Names
keratin 8
NCBI Official Symbol
KRT8
NCBI Official Synonym Symbols
K8; KO; CK8; CK-8; CYK8; K2C8; CARD2
UniProt Protein Name
Keratin, type II cytoskeletal 8
UniProt Synonym Protein Names
Cytokeratin-8; CK-8; Keratin-8; K8; Type-II keratin Kb8
Protein Family
UniProt Gene Name
KRT8
UniProt Synonym Gene Names
CYK8; CK-8; K8
NCBI Protein Information
keratin, type II cytoskeletal 8

NCBI Summary for KRT8

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. [provided by RefSeq, Jan 2012]
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UniProt Comments for KRT8

Together with KRT19, helps to link the contractile apparatus to dystrophin at the costameres of striated muscle.

Precautions

All of MyBioSource's Products are for scientific laboratory research purposes and are not for diagnostic, therapeutics, prophylactic or in vivo use. Through your purchase, you expressly represent and warrant to MyBioSource that you will properly test and use any Products purchased from MyBioSource in accordance with industry standards. MyBioSource and its authorized distributors reserve the right to refuse to process any order where we reasonably believe that the intended use will fall outside of our acceptable guidelines.

Disclaimer

While every efforts were made to ensure the accuracy of the information provided in this datasheet, MyBioSource will not be liable for any omissions or errors contained herein. MyBioSource reserves the right to make changes to this datasheet at any time without prior notice.

It is the responsibility of the customer to report product performance issues to MyBioSource within 30 days of receipt of the product. Please visit our Terms & Conditions page for more information.

Product Note

Select online data sheet information is drawn from bioinformatics databases, occasionally resulting in ambiguous or non-relevant product information. It is the responsibility of the customer to review, verify, and evaluate the information to make sure it matches their requirements before purchasing the kit. Our ELISA Kit assays are dynamic research tools and sometimes they may be updated and improved. If the format of this assay is important to you then please request the current manual or contact our technical support team with a presales inquiry before placing an order. We will confirm the current details of the assay. We cannot guarantee the sample manual posted online is the most current manual, it is intended to serve as an example only. Please refer to the instructions For Use provided with the assay kit for precise details.

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