Human Recombinant CLDN18 protein, His & Flag Tag (V2LY-0526-LY3199)

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Basic Information

Expressed Host
HEK293 Cells
Protein Species
Human
Tag
His & Flag Tag
Protein Construction
This product is Human Recombinant CLDN18 protein, His & Flag Tag consist of Amino Acid: 1-261 and predicts a molecular mass of 30.54 kDa.
Molecule Mass
30.54 kDa
Sequence
Amino Acid: 1-261
Species
Human

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

Purity
≥75% as determined by SDS-PAGE.
Endotoxin
Please contact us for more information.
Format
Liquid
Buffer
PBS
Preservative
None
Storage
Samples are stable for up to twelve months from date of receipt at -70°C. Store it under sterile conditions at -70°C or lower. It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.
More Infomation

Target

Full Name
Claudin 18
Function
Plays a major role in tight junction-specific obliteration of the intercellular space, through calcium-independent cell-adhesion activity.
Biological Process
Bicellular tight junction assembly Source: GO_Central
Calcium-independent cell-cell adhesion via plasma membrane cell-adhesion molecules Source: UniProtKB
Cell adhesion Source: GO_Central
Digestive tract development Source: Ensembl
Negative regulation of bone resorption Source: Ensembl
Negative regulation of osteoclast development Source: Ensembl
Negative regulation of protein localization to nucleus Source: Ensembl
Response to ethanol Source: Ensembl
TNFSF11-mediated signaling pathway Source: Ensembl
Cellular Location
Cell membrane; Tight junction. Localizes to tight junctions in epithelial cells.
Topology
Cytoplasmic: 1-6
Helical: 7-27
Extracellular: 28-80
Helical: 81-101
Cytoplasmic: 102-122
Helical: 123-143
Extracellular: 144-174
Helical: 175-195
Cytoplasmic: 196-261

Iwaya, M., Hayashi, H., Nakajima, T., Matsuda, K., Kinugawa, Y., Tobe, Y., ... & Ota, H. (2021). Colitis‐associated colorectal adenocarcinomas frequently express claudin 18 isoform 2: implications for claudin 18.2 monoclonal antibody therapy. Histopathology, 79(2), 227-237.

Caron, T. J., Scott, K. E., Sinha, N., Muthupalani, S., Baqai, M., Ang, L. H., ... & Hagen, S. J. (2021). Claudin-18 Loss Alters Transcellular Chloride Flux but not Tight Junction Ion Selectivity in Gastric Epithelial Cells. Cellular and Molecular Gastroenterology and Hepatology, 11(3), 783-801.

Sato, K., Matsumoto, I., Suzuki, K., Tamura, A., Shiraishi, A., Kiyonari, H., ... & Kawakami, K. (2021). Deficiency of lung-specific claudin-18 leads to aggravated infection with Cryptococcus deneoformans through dysregulation of the microenvironment in lungs. Scientific reports, 11(1), 1-13.

Lee, P. H., Hong, J., & Jang, A. S. (2020). N-acetylcysteine decreases airway inflammation and responsiveness in asthma by modulating claudin 18 expression. The Korean journal of internal medicine, 35(5), 1229.

Coati, I., Lotz, G., Fanelli, G. N., Brignola, S., Lanza, C., Cappellesso, R., ... & Fassan, M. (2019). Claudin-18 expression in oesophagogastric adenocarcinomas: a tissue microarray study of 523 molecularly profiled cases. British journal of cancer, 121(3), 257-263.

Hagen, S. J., Ang, L. H., Zheng, Y., Karahan, S. N., Wu, J., Wang, Y. E., ... & Fox, J. G. (2018). Loss of tight junction protein claudin 18 promotes progressive neoplasia development in mouse stomach. Gastroenterology, 155(6), 1852-1867.

Zhou, B., Flodby, P., Luo, J., Castillo, D. R., Liu, Y., Yu, F. X., ... & Borok, Z. (2018). Claudin-18–mediated YAP activity regulates lung stem and progenitor cell homeostasis and tumorigenesis. The Journal of clinical investigation, 128(3), 970-984.

Kotton, D. N. (2018). Claudin-18: unexpected regulator of lung alveolar epithelial cell proliferation. The Journal of clinical investigation, 128(3), 903-905.

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

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