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Invitrogen
Claudin 4 Monoclonal Antibody (3E2C1)
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FIGURE: 1 / 4
Claudin 4 Antibody (32-9400) in WB
Product Details
32-9400
Species Reactivity
Published species
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Conjugate
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Product Specific Information
Reactivity has been confirmed with human, rat ileum homogenates, and canine MDCK cell lysates by western blotting and immunofluorescence. Reactivity has also been confirmed with formalin-fixed, paraffin-embedded (FFPE) human normal colon and colon cancer tissues by immunohistochemistry.
For best results in immunohistochemistry with formalin-fixed, paraffin-embedded (FFPE) tissues, heat induced epitope retrieval (HIER) with citrate buffer, pH 6.0, is required prior to staining.
This antibody reacts specifically with the ~ 22 kDa Claudin-4 protein and does not cross-react with the protein at 55 kDa.
Target Information
Claudin-4 belongs to the 20-member family of claudins, transmembrane cellular adhesion proteins localized at epithelial and endothelial tight junctions. Claudins demonstrate distinct, tissue-specific expression patterns, and are essential components of tight junction charge-specific channels that regulate paracellular ion flux. Claudin-4 is a component of tight junction strands and may play a role in internal organ development and function during pre- and postnatal life. The overexpression of Claudin-4 has been shown to decrease paracellular electrical conductance due to a selective decrease in Na+ permeability, with no significant decrease in Cl- permeability. In ovarian carcinoma cells, Claudin-3 and Claudin-4 exhibit upregulation at both mRNA and protein levels. Claudin-4 is also overexpressed in pancreatic cancer tissues and cell lines, and in other epithelial cancers. The Claudin-4 gene is deleted in Williams-Beuren syndrome, a neurodevelopmental disorder affecting multiple systems.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
Bioinformatics
Protein Aliases: claudin 4; Claudin-4; CLAUDIN4; Clostridium perfringens enterotoxin receptor; Clostridium perfringens enterotoxin receptor 1; CPE-R; CPE-receptor; h CPE-receptor; Williams-Beuren syndrome chromosomal region 8 protein
Gene Aliases: Cep-r; CLDN4; CPE-R; CPER; CPETR; CPETR1; hCPE-R; WBSCR8
UniProt ID: (Human) O14493, (Dog) A0A8C0N7E5, (Mouse) O35054
Entrez Gene ID: (Human) 1364, (Dog) 100856416, (Rat) 304407, (Mouse) 12740
Performance Guarantee
If an Invitrogen™ antibody doesn't perform as described on our website or datasheet,we'll replace the product at no cost to you, or provide you with a credit for a future purchase.*
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