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Mouse Anti-KRT19 Recombinant Antibody (CBYY-C2809) (CBMAB-C4250-YY)


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Summary

Host Animal
Mouse
Specificity
Human
Clone
CBYY-C2809
Antibody Isotype
IgG2a
Application
ELISA, IP, IHC, WB

Basic Information

Immunogen
Ks 19.1 represents an excellent marker to discriminate glandular epithelial carcinoma from those of different origin. No reaction with hepatocellular carcinoma. Polypeptide reacting: Mr 40 000 polypeptide (keratin K19; formerly also designated cytokeratin 19) of human glandular epithelia. The epitope has been localized on aa. 311-335 (QSQLSMKAALEDTLAETEARFGAQLA) of the alpha-helical fragment. Tumors specifically detected: All tested adenocarcinoma; cholangio ca. of liver; renal cell carcinoma; transitional cell ca. of the bladder; ovary ca.; squamous cell ca. of cervix, bronchus and lung (intermediate type); mesothelioma; carcinoid tumor of bronchus; breast ca.; thymoma
Specificity
Human
Antibody Isotype
IgG2a
Clonality
Monoclonal
Application Notes
The COA includes recommended starting dilutions, optimal dilutions should be determined by the end user.

Formulations & Storage [For reference only, actual COA shall prevail!]

Buffer
1 mg/mL
Concentration
Liquid
Storage
Store at +4°C short term (1-2 weeks). Aliquot and store at -20°C long term. Avoid repeated freeze/thaw cycles.

Target

Full Name
Keratin 19
Entrez Gene ID
3880
UniProt ID
P08727
Alternative Names
Keratin 19; 40-KDa Keratin Intermediate Filament; Keratin, Type I Cytoskeletal 19; Keratin, Type I, 40-Kd; Keratin 19, Type I; Cytokeratin 19; CK-19;
Function
Involved in the organization of myofibers. Together with KRT8, helps to link the contractile apparatus to dystrophin at the costameres of striated muscle.
Biological Process
Cell differentiation involved in embryonic placenta development Source: Ensembl
Cornification Source: Reactome
Keratinization Source: Reactome
Notch signaling pathway Source: Ensembl
Response to estrogen Source: UniProtKB
Sarcomere organization Source: UniProtKB
Viral process Source: UniProtKB-KW
Cellular Location
Intermediate filament; Terminal web; Cytosol; Extracellular exosome; Apicolateral plasma membrane; Dystrophin-associated glycoprotein complex; Plasma membrane; Sarcolemma; Cell periphery; Costamere; Z disc
More Infomation

Krüger, J., Fischer, A., Breunig, M., Allgöwer, C., Schulte, L., Merkle, J., ... & Kleger, A. (2023). DNA methylation‐associated allelic inactivation regulates Keratin 19 gene expression during pancreatic development and carcinogenesis. The Journal of Pathology, 261(2), 139-155.

Wang, Z., Moresco, P., Yan, R., Li, J., Gao, Y., Biasci, D., ... & Fearon, D. T. (2022). Carcinomas assemble a filamentous CXCL12–keratin-19 coating that suppresses T cell–mediated immune attack. Proceedings of the National Academy of Sciences, 119(4), e2119463119.

Alsharif, S., Sharma, P., Bursch, K., Milliken, R., Lam, V., Fallatah, A., ... & Chung, B. M. (2021). Keratin 19 maintains E-cadherin localization at the cell surface and stabilizes cell-cell adhesion of MCF7 cells. Cell adhesion & migration, 15(1), 1-17.

Rhee, H., Kim, H., & Park, Y. N. (2020). Clinico-radio-pathological and molecular features of hepatocellular carcinomas with keratin 19 expression. Liver Cancer, 9(6), 663-681.

Lam, V. K., Sharma, P., Nguyen, T., Nehmetallah, G., Raub, C. B., & Chung, B. M. (2020). Morphology, motility, and cytoskeletal architecture of breast cancer cells depend on keratin 19 and substrate. Cytometry Part A, 97(11), 1145-1155.

Yokomichi, N., Nishida, N., Umeda, Y., Taniguchi, F., Yasui, K., Toshima, T., ... & Nagasaka, T. (2019). Heterogeneity of epigenetic and epithelial mesenchymal transition marks in hepatocellular carcinoma with keratin 19 proficiency. Liver cancer, 8(4), 239-254.

Sharma, P., Alsharif, S., Bursch, K., Parvathaneni, S., Anastasakis, D. G., Chahine, J., ... & Chung, B. M. (2019). Keratin 19 regulates cell cycle pathway and sensitivity of breast cancer cells to CDK inhibitors. Scientific reports, 9(1), 14650.

Rhee, H., Kim, H. Y., Choi, J. H., Woo, H. G., Yoo, J. E., Nahm, J. H., ... & Park, Y. N. (2018). Keratin 19 expression in hepatocellular carcinoma is regulated by fibroblast-derived HGF via a MET-ERK1/2-AP1 and SP1 axis. Cancer research, 78(7), 1619-1631.

Palkó, E., Póliska, S., Sziklai, I., & Penyige, A. (2018). Analysis of KRT1, KRT10, KRT19, TP53 and MMP9 expression in pediatric and adult cholesteatoma. PLoS One, 13(7), e0200840.

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For research use only. Not intended for any clinical use.

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We also offer labeled antibodies developed using our catalog antibody products and nonfluorescent conjugates (HRP, AP, Biotin, etc.) or fluorescent conjugates (Alexa Fluor, FITC, TRITC, Rhodamine, Texas Red, R-PE, APC, Qdot Probes, Pacific Dyes, etc.).

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