Advances in the application of claudins to tumor therapy / 生物工程学报

Claudin proteins are the most crucial components of tight junctions, and play an essential role in maintaining cell polarity, regulating cell permeability and the intercellular ion. In recent years, many studies have shown that abnormality of claudins expression is implicated in the tumor progression. The expression correlates with tumor prognosis and can serve as a biomarker of prognosis and potential therapeutic targets. This review summarizes the current knowledge regarding claudin dysregulation in cancer and highlights the progress in claudin-based treatments.

Research progress of carboxyl peptide fragment of clostridium perfringens enterotoxin in the treatment of tumors / 肿瘤研究与临床

There are approximately 85 ％ of malignant tumors derived from epithelial cells,and a therapeutic method of epithelial cells has become the focus of cancer treatment.Claudin-3 and Claudin-4 as important components of the tight junction structure are abundantly expressed in malignant tumors,and the clostridium perfringens enterotoxin (CPE) as Claudin-3 and Claudin-4 specific binding ligand has important significances in the treatment of tumors.However,because of the large intestinal toxicity,clinical application of CPE has been limited greatly.Carboxyl peptide fragment of CPE (C-CPE) is a specific binding domain of CPE,which has specificity without intestinal toxicity.This review will present some advances of C-CPE in cancer therapy.