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Mouse Anti-KRT18 Recombinant Antibody (CBYY-C3081) (CBMAB-C4524-YY)

This product is mouse antibody that recognizes KRT18. The antibody CBYY-C3081 can be used for immunoassay techniques such as: IF, IHC, IHC-P, WB
See all KRT18 antibodies

Summary

Host Animal
Mouse
Specificity
Human
Clone
CBYY-C3081
Antibody Isotype
IgG2b
Application
IF, IHC, IHC-P, WB

Basic Information

Immunogen
Recombinant fragment expressed in E.coli corresponding to amino acids 69-372 of human CK18
Specificity
Human
Antibody Isotype
IgG2b
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!]

Format
Protein A/G purified
Preservative
50% glycerol, 1% BSA, PBS, pH 7.3
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 18
Entrez Gene ID
3875
UniProt ID
P05783
Alternative Names
Claudin 18; Surfactant Associated Protein J; Surfactant, Pulmonary Associated Protein J; Surfactant Associated 5; Claudin-18; SFTA5; SFTPJ;
Function
Involved in the uptake of thrombin-antithrombin complexes by hepatic cells (By similarity).
When phosphorylated, plays a role in filament reorganization. Involved in the delivery of mutated CFTR to the plasma membrane. Together with KRT8, is involved in interleukin-6 (IL-6)-mediated barrier protection.
Biological Process
Anatomical structure morphogenesisManual Assertion Based On ExperimentTAS:ProtInc
Cell cycleIEA:UniProtKB-KW
Extrinsic apoptotic signaling pathwayIEA:Ensembl
Golgi to plasma membrane CFTR protein transportManual Assertion Based On ExperimentIDA:UniProtKB
Hepatocyte apoptotic processIEA:Ensembl
Intermediate filament cytoskeleton organizationManual Assertion Based On ExperimentIDA:UniProtKB
Negative regulation of apoptotic processManual Assertion Based On ExperimentIDA:UniProtKB
Tumor necrosis factor-mediated signaling pathwayIEA:Ensembl
Cellular Location
Cytoplasm, perinuclear region
Nucleus, nucleolus
Involvement in disease
Cirrhosis (CIRRH):
A liver disease characterized by severe panlobular liver-cell swelling with Mallory body formation, prominent pericellular fibrosis, and marked deposits of copper. Clinical features include abdomen swelling, jaundice and pulmonary hypertension.
PTM
Phosphorylation at Ser-34 increases during mitosis. Hyperphosphorylated at Ser-53 in diseased cirrhosis liver. Phosphorylation increases by IL-6.
Proteolytically cleaved by caspases during epithelial cell apoptosis. Cleavage occurs at Asp-238 by either caspase-3, caspase-6 or caspase-7.
O-GlcNAcylation increases solubility, and decreases stability by inducing proteasomal degradation.

Cui, J., Ma, Q., Zhang, C., Li, Y., Liu, J., Xie, K., ... & Tang, C. (2023). Keratin 18 Depletion as a Possible Mechanism for the Induction of Apoptosis and Ferroptosis in the Rat Hippocampus After Hypobaric Hypoxia. Neuroscience, 513, 64-75.

Wang, P. B., Chen, Y., Ding, G. R., Du, H. W., & Fan, H. Y. (2021). Keratin 18 induces proliferation, migration, and invasion in gastric cancer via the MAPK signalling pathway. Clinical and Experimental Pharmacology and Physiology, 48(1), 147-156.

Yin, S., Song, M., Zhao, R., Liu, X., Kang, W. K., Lee, J. M., ... & Lee, M. H. (2020). Xanthohumol inhibits the growth of keratin 18-overexpressed esophageal squamous cell carcinoma in vitro and in vivo. Frontiers in cell and developmental biology, 8, 366.

Muriel, J. M., O’Neill, A., Kerr, J. P., Kleinhans-Welte, E., Lovering, R. M., & Bloch, R. J. (2020). Keratin 18 is an integral part of the intermediate filament network in murine skeletal muscle. American Journal of Physiology-Cell Physiology, 318(1), C215-C224.

Sirniö, P., Väyrynen, J. P., Mutt, S. J., Herzig, K. H., Walkowiak, J., Klintrup, K., ... & Tuomisto, A. (2020). Systemic inflammation is associated with circulating cell death released keratin 18 fragments in colorectal cancer. Oncoimmunology, 9(1), 1783046.

Golob-Schwarzl, N., Bettermann, K., Mehta, A. K., Kessler, S. M., Unterluggauer, J., Krassnig, S., ... & Haybaeck, J. (2019). High keratin 8/18 ratio predicts aggressive hepatocellular cancer phenotype. Translational oncology, 12(2), 256-268.

Zhang, J., Hu, S., & Li, Y. (2019). KRT18 is correlated with the malignant status and acts as an oncogene in colorectal cancer. Bioscience reports, 39(8), BSR20190884.

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

Custom Antibody Labeling

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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