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Human Claudin 18.2 Protein


BACKGROUND

Claudins are a family of proteins form the important components of the tight cell junctions . They establish a paracellular barrier which controls the flow of molecules between the cells. The transmembrane domains of claudins include a N-terminus and a C-terminus in the cytoplasm. Different claudins are expressed on different tissues, their altered function has linked to formation of cancers of respective tissues .Ugur Sahin et al. identified isoform 2 of the tight junction molecule claudin-18 (CLDN18.2) as a highly selective cell lineage marker .They observed its expression in normal tissues is strictly confined to differentiated epithelial cells of the gastric mucosa, but it was absent from the gastric stem cell zone. Claudin 18.2 was retained on malignant transformation and was expressed in a significant proportion of primary gastric cancers and its metastases. Claudin 18.2 is involved in tumor development and progression and located in the outer cell membrane. It has exposed extracellular loops and is available for monoclonal antibody binding, such as claudiximab (IMAB362).

APPLICATION

Binding asssay:ELISA

PRODUCT LIST

Cat.No.Product NameSpeciesTag
CLD-HE1822Human Claudin 18.2 ProteinHumanHis
KEY FEATURES

High Purity, High affinity

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    SEC-HPLC

    Recombinant Claudin 18.2 related protein purity is more than 95% by HPLC .

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    ELISA Data

    Immobilized Human Claudin18.2 at 5μg/ml (100μl/Well). Dose response curve for IMAB362 with the EC50 of 11.9ng/ml determined by ELISA.

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