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Please note: We are reviewing Western blot images included in the antibody testing data in our catalog, including those provided by third parties. Unless expressly labeled or annotated as “raw-unedited”, Western blot images included in the antibody testing data in our catalog may have been edited, optimized or otherwise adjusted for presentation.
Reactivity has been confirmed with mouse and rat kidney homogenates. On western blots a 22 kDa band is observed and a 44 kDa band representing dimerized protein may be observed.
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.
仅用于科研。不用于诊断过程。未经明确授权不得转售。
蛋白别名: Claudin-4; CLAUDIN4; Clostridium perfringens enterotoxin receptor; CPE-R; CPE-receptor; h CPE-receptor
基因别名: Cep-r; Cldn4; Cper; Cpetr; Cpetr1
UniProt ID: (Mouse) O35054
Entrez Gene ID: (Rat) 304407, (Mouse) 12740