Human Cytokeratin 17/19 Antibody

Catalog # Availability Size / Price Qty
MAB11568-100
MAB11568-SP
Detection of Human Cytokeratin 17/19 by Western Blot.
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Human Cytokeratin 17/19 Antibody Summary

Species Reactivity
Human
Specificity
Detects a synthetic peptide around aa 123 in Direct ELISA.
Source
Monoclonal Mouse IgG Clone # 1080201
Purification
Protein A or G purified from hybridoma culture supernatant
Immunogen
Cytokeratin 17/19 containing synthetic peptide
Accession # Q04695
Formulation
Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose.
Label
Unconjugated

Applications

Recommended Concentration
Sample
Western Blot
2 µg/mL
HeLa human cervical epithelial carcinoma cell line and HCC827 human non-small cell lung cancer cell line
Simple Western
20 µg/mL
HeLa human cervical epithelial carcinoma cell line and MDA-MB-468 human breast cancer cell line
Immunohistochemistry
3-25 µg/mL
Immersion fixed paraffin-embedded sections of human prostate and human squamous cell carcinoma

Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.

Scientific Data

Western Blot View Larger

Detection of Human Cytokeratin 17/19 by Western Blot. Western Blot shows lysates of HeLa human cervical epithelial carcinoma cell line and HCC827 human non-small cell lung cancer cell line. PVDF membrane was probed with 2 µg/ml of Mouse Anti-Human Cytokeratin 17/19 Monoclonal Antibody (Catalog # MAB11568) followed by HRP-conjugated Anti-Mouse IgG Secondary Antibody (Catalog # HAF018). Specific bands were detected for Cytokeratin 17 at approximately 48 kDa and for Cytokeratin 19 at approximately 41 kDa (as indicated). This experiment was conducted under reducing conditions and using Western Blot Buffer Group 1.

Immunohistochemistry View Larger

Detection of Cytokeratin 17/19 in Human Prostate. Cytokeratin 17/19 was detected in immersion fixed paraffin-embedded sections of human prostate using Mouse Anti-Human Cytokeratin 17/19 Monoclonal Antibody (Catalog # MAB11568) at 5 µg/ml for 1 hour at room temperature followed by incubation with the Anti-Mouse IgG VisUCyte™ HRP Polymer Antibody (Catalog # VC001) or the HRP-conjugated Anti-Mouse IgG Secondary Antibody (Catalog # HAF007). Before incubation with the primary antibody, tissue was subjected to heat-induced epitope retrieval using VisUCyte Antigen Retrieval Reagent-Basic (Catalog # VCTS021). Tissue was stained using DAB (brown) and counterstained with hematoxylin (blue). Specific staining was localized to the membrane of basal cells. View our protocol for Chromogenic IHC Staining of Paraffin-embedded Tissue Sections.

Immunohistochemistry View Larger

Detection of Cytokeratin 17/19 in Human Squamous Cell Carcinoma. Cytokeratin 17/19 was detected in immersion fixed paraffin-embedded sections of human squamous cell carcinoma using Mouse Anti-Human Cytokeratin 17/19 Monoclonal Antibody (Catalog # MAB11568) at 5 µg/ml for 1 hour at room temperature followed by incubation with the Anti-Mouse IgG VisUCyte™ HRP Polymer Antibody (Catalog # VC001) or the HRP-conjugated Anti-Mouse IgG Secondary Antibody (Catalog # HAF007). Before incubation with the primary antibody, tissue was subjected to heat-induced epitope retrieval using VisUCyte Antigen Retrieval Reagent-Basic (Catalog # VCTS021). Tissue was stained using DAB (brown) and counterstained with hematoxylin (blue). Specific staining was localized to the membrane. View our protocol for Chromogenic IHC Staining of Paraffin-embedded Tissue Sections.

Simple Western View Larger

Detection of Human Cytokeratin 17/19 by Simple WesternTM. Simple Western shows lysates of HeLa human cervical epithelial carcinoma cell line and MDA‑MB‑468 human breast cancer cell line, loaded at 0.5 mg/ml. Specific bands were detected for Cytokeratin 17 at approximately 53kDa and for Cytokeratin 19 at approximately 51kDa (as indicated) using 20 µg/mL of Mouse Anti-Human Cytokeratin 17/19 Monoclonal Antibody (Catalog # MAB11568). This experiment was conducted under reducing conditions and using the 12-230 kDa separation system.

Reconstitution Calculator

Reconstitution Calculator

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.

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Preparation and Storage

Reconstitution
Reconstitute lyophilized material at 0.2mg/ml in sterile PBS. For liquid material, refer to CoA for concentration.
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Shipping
Lyophilized product is shipped at ambient temperature. Liquid small pack size (-SP) is shipped with polar packs. Upon receipt, store immediately at the temperature recommended below.
Stability & Storage
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 12 months from date of receipt, -20 to -70 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 6 months, -20 to -70 °C under sterile conditions after reconstitution.

Background: Cytokeratin 17/19

Cytokeratin 17 (KRT17) is a 48 kDa, 432 aa type I keratin that has been studied in several types of cancer. KRT17 promotes epithelial cell proliferation and tumor growth in skin. Many studies have shown KRT17 overexpression in many cancers including cervical, oral, ovarian, gastric, lung and pancreatic cancer among others. In certain types of  breast cancer, KRT17 overexpression has been associated with poor prognosis. KRT17 expression is closely associated with prognosis in cancer and can be a novel therapeutic target.

References
  1. Tang S, Liu W, Yong L, Liu D, Lin X, Huang Y, Wang H, Cai F. Reduced Expression of KRT17 Predicts Poor Prognosis in HER2high Breast Cancer. Biomolecules. 2022 Aug 25;12(9):1183. doi: 10.3390/biom12091183. PMID: 36139022; PMCID: PMC9496156.
  2. Hu H, Xu DH, Huang XX, Zhu CC, Xu J, Zhang ZZ, Zhao G. Keratin17 Promotes Tumor Growth and is Associated with Poor Prognosis in Gastric Cancer. J Cancer. 2018 Jan 1;9(2):346-357. doi: 10.7150/jca.19838. PMID: 29344281; PMCID: PMC5771342. 
  3. Li D, Ni XF, Tang H, Zhang J, Zheng C, Lin J, Wang C, Sun L, Chen B. KRT17 Functions as a Tumor Promoter and Regulates Proliferation, Migration and Invasion in Pancreatic Cancer via mTOR/S6k1 Pathway. Cancer Manag Res. 2020 Mar 19;12:2087-2095. doi: 10.2147/CMAR.S243129. PMID: 32256116; PMCID: PMC7090205.
Entrez Gene IDs
3872 (Human); 16667 (Mouse); 287702 (Rat)
Alternate Names
39.1; 40-kDa keratin intermediate filament; CK-17; CK19; CK-19; Cytokeratin 17/19; cytokeratin 19; cytokeratin-17; K17; K19; K1CS; keratin 19, type I; keratin, type I cytoskeletal 17; keratin, type I cytoskeletal 19; keratin, type I, 40-kd; KRT17; KRT19; PC; PC2; PCHC1

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