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AB270902

Alexa Fluor® 488 Anti-Cytokeratin 17 antibody [SP95]

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Rabbit Recombinant Monoclonal Cytokeratin 17 antibody - conjugated to Alexa Fluor® 488. Suitable for ICC/IF, Flow Cyt (Intra) and reacts with Human samples.

View Alternative Names

39.1, Cytokeratin-17, Keratin-17, CK-17, K17, KRT17

2 Images
Immunocytochemistry/ Immunofluorescence - Alexa Fluor® 488 Anti-Cytokeratin 17 antibody [SP95] (AB270902)
  • ICC/IF

Lab

Immunocytochemistry/ Immunofluorescence - Alexa Fluor® 488 Anti-Cytokeratin 17 antibody [SP95] (AB270902)

ab270902 staining Cytokeratin 17 in A431 (human epidermoid carcinoma cell line) cells, with negative expression in MCF7 (human breast adenocarcinoma cell line) cells.

The cells were fixed with 4% formaldehyde (10 min), permeabilized with 0.1% Triton X-100 for 5 minutes and then blocked with 1% BSA/10% normal goat serum/0.3M glycine in 0.1% PBS-Tween for 1h. The cells were then incubated overnight at +4°C with ab270902 at 1/2500 dilution (shown in green) and ab195884, Rat monoclonal to Tubulin (Alexa Fluor® 647), at 1/250 dilution (shown in red). Nuclear DNA was labeled with DAPI (shown in blue).

Image was acquired with a high-content analyser (Operetta CLS, Perkin Elmer) and a maximum intensity projection of confocal sections is shown.

Flow Cytometry (Intracellular) - Alexa Fluor® 488 Anti-Cytokeratin 17 antibody [SP95] (AB270902)
  • Flow Cyt (Intra)

Lab

Flow Cytometry (Intracellular) - Alexa Fluor® 488 Anti-Cytokeratin 17 antibody [SP95] (AB270902)

Flow cytometry overlay histogram showing left HeLa (human epithelial cell line from cervix adenocarcinoma) positive cells and right negative MCF7 (human breast adenocarcinoma cell line) cells stained with ab270902 (red line). The cells were fixed with 80% methanol (5 min); and then permeabilized with 0.1% PBS-Triton X-100 for 15 min. The cells were then incubated in 1x PBS containing 10 % normal goat serum to block non-specific protein-protein interaction followed by the antibody (ab270902) (1x 106 in 100μL at 0.008μg/mL (1/62500)) for 30 min at 22°C.

Isotype control antibody (black line) was Rabbit IgG (monoclonal) Alexa Fluor 488 ® (ab199091) used at the same concentration and conditions as the primary antibody. Unlabelled sample (blue line) was also used as a control.

Acquisition of >5000 events were collected using a 50 mW Blue laser (488nm) and 525/40 bandpass filter.

  • 665 Alexa Fluor® 647

    Alexa Fluor® 647 Anti-Cytokeratin 17 antibody [SP95]

  • 565 Alexa Fluor® 555

    Alexa Fluor® 555 Anti-Cytokeratin 17 antibody [SP95] - C-terminal

  • 617 Alexa Fluor® 594

    Alexa Fluor® 594 Anti-Cytokeratin 17 antibody [SP95] - C-terminal

  • 578 PE

    PE Anti-Cytokeratin 17 antibody [SP95] - C-terminal

  • 660 APC

    APC Anti-Cytokeratin 17 antibody [SP95] - C-terminal

  • 775 Alexa Fluor® 750

    Alexa Fluor® 750 Anti-Cytokeratin 17 antibody [SP95] - C-terminal

  • Unconjugated

    Anti-Cytokeratin 17 antibody [SP95] - C-terminal

  • Carrier free

    Anti-Cytokeratin 17 antibody [SP95] - BSA and Azide free

Key facts

Host species

Rabbit

Clonality

Monoclonal

Clone number

SP95

Isotype

IgG

Conjugation

Alexa Fluor® 488

Excitation/Emission

Ex: 495nm, Em: 519nm

Carrier free

No

Reacts with

Human

Applications

ICC/IF, Flow Cyt (Intra)

applications

Immunogen

The exact immunogen used to generate this antibody is proprietary information.

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Reactivity data

{ "title": "Reactivity Data", "filters": { "stats": ["", "Species", "Dilution Info", "Notes"], "tabs": { "all-applications": {"fullname" : "All Applications", "shortname": "All Applications"}, "ICCIF" : {"fullname" : "Immunocytochemistry/ Immunofluorescence", "shortname":"ICC/IF"}, "FlowCytIntra" : {"fullname" : "Flow Cytometry (Intracellular)", "shortname":"Flow Cyt (Intra)"} }, "product-promise": { "all": "all", "testedAndGuaranteed": "tested", "guaranteed": "expected", "predicted": "predicted", "notRecommended": "not-recommended" } }, "values": { "Human": { "ICCIF-species-checked": "testedAndGuaranteed", "ICCIF-species-dilution-info": "1/2500", "ICCIF-species-notes": "<p>This product gave a positive signal in A431 fixed with 4% formaldehyde (10 min).</p>", "FlowCytIntra-species-checked": "testedAndGuaranteed", "FlowCytIntra-species-dilution-info": "1/62500", "FlowCytIntra-species-notes": "<p></p>" } } }
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Product details

Patented technology
Our RabMAb® technology is a patented hybridoma-based technology for making rabbit monoclonal antibodies. For details on our patents, please refer to RabMAb® patents.

What are the advantages of a recombinant monoclonal antibody?
This product is a recombinant monoclonal antibody, which offers several advantages including:

  • - High batch-to-batch consistency and reproducibility
  • - Improved sensitivity and specificity
  • - Long-term security of supply
  • - Animal-free batch production

For more information, read more on recombinant antibodies.

Alexa Fluor® is a registered trademark of Molecular Probes, Inc, a Thermo Fisher Scientific Company. The Alexa Fluor® dye included in this product is provided under an intellectual property license from Life Technologies Corporation. As this product contains the Alexa Fluor® dye, the purchase of this product conveys to the buyer the non-transferable right to use the purchased product and components of the product only in research conducted by the buyer (whether the buyer is an academic or for-profit entity). As this product contains the Alexa Fluor® dye the sale of this product is expressly conditioned on the buyer not using the product or its components, or any materials made using the product or its components, in any activity to generate revenue, which may include, but is not limited to use of the product or its components: in manufacturing; (ii) to provide a service, information, or data in return for payment (iii) for therapeutic, diagnostic or prophylactic purposes; or (iv) for resale, regardless of whether they are sold for use in research. For information on purchasing a license to this product for purposes other than research, contact Life Technologies Corporation, 5781 Van Allen Way, Carlsbad, CA 92008 USA or outlicensing@thermofisher.com.

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Properties and storage information

Form
Liquid
Purification technique
Affinity purification Protein A
Storage buffer
pH: 7.4 Preservative: 0.02% Sodium azide Constituents: PBS, 30% Glycerol (glycerin, glycerine), 1% BSA
Shipped at conditions
Blue Ice
Appropriate short-term storage duration
1-2 weeks
Appropriate short-term storage conditions
+4°C
Appropriate long-term storage conditions
-20°C
Aliquoting information
Upon delivery aliquot
Storage information
Avoid freeze / thaw cycle|Store in the dark
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Supplementary information

This supplementary information is collated from multiple sources and compiled automatically.

Cytokeratin 17 often called K17 or keratin 17 is a type I intermediate filament protein with a molecular weight of approximately 46 kDa. It forms part of the cytoskeleton in epithelial cells and is notably present in the basal cells of epithelial tissues including the skin hair follicles and the lining of internal organs. Due to its specific expression pattern K17 serves as a useful biomarker in various research and clinical settings.
Biological function summary

The roles of K17 extend beyond mere structural support. This protein contributes to cellular processes such as proliferation tissue repair and the regulation of immune responses. K17 often forms a complex with its partner keratin 6 enabling structural stability and resilience in epithelial cells. Its presence influences the behavior of the cells in skin and other epithelial-lined organs.

Pathways

K17 participates in key pathways related to skin biology and inflammation notably the Wnt/β-catenin and NF-κB signaling pathways. These pathways connect K17 to cellular processes like growth differentiation and inflammation. In particular keratin 6 is another important protein in these cascades closely interacting with K17 in maintenance and repair processes within epithelial tissues.

K17 has been implicated in psoriasis and certain types of cancer such as cervical and breast cancer. In psoriasis an inflammatory skin condition K17 interacts with pro-inflammatory cytokines contributing to the hyperproliferative state of the skin. Its overexpression serves as a marker in diagnosing and understanding the severity of these disorders highlighting its relationship with keratin 6 which is similarly upregulated in psoriatic lesions and certain tumors. These associations make K17 a significant focus for therapeutic targeting and diagnostic applications.
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Product protocols

For this product, it's our understanding that no specific protocols are required. You can visit:
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Target data

Type I keratin involved in the formation and maintenance of various skin appendages, specifically in determining shape and orientation of hair (By similarity). Required for the correct growth of hair follicles, in particular for the persistence of the anagen (growth) state (By similarity). Modulates the function of TNF-alpha in the specific context of hair cycling. Regulates protein synthesis and epithelial cell growth through binding to the adapter protein SFN and by stimulating Akt/mTOR pathway (By similarity). Involved in tissue repair. May be a marker of basal cell differentiation in complex epithelia and therefore indicative of a certain type of epithelial 'stem cells'. Acts as a promoter of epithelial proliferation by acting a regulator of immune response in skin : promotes Th1/Th17-dominated immune environment contributing to the development of basaloid skin tumors (By similarity). May act as an autoantigen in the immunopathogenesis of psoriasis, with certain peptide regions being a major target for autoreactive T-cells and hence causing their proliferation.
See full target information KRT17
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Product promise

We are committed to supporting your work with high-quality reagents, and we're here for you every step of the way. In the unlikely event that one of our products does not perform as expected, you're protected by our Product Promise.
For full details, please see our Terms & Conditions

Please note: All products are 'FOR RESEARCH USE ONLY. NOT FOR USE IN DIAGNOSTIC OR THERAPEUTIC PROCEDURES'.

For licensing inquiries, please contact partnerships@abcam.com