Decreased Expression of Claudin 1, 3, 4, 5 and 7: A New Prognostic Marker in Colon Carcinoma

Abrar Ahmad¹, Rahel Befekadu², Shlear Askari² and Victoria Hahn-Strömberg^1,2,3*

¹Department of Clinical Research, Faculty of Medicine and Health, Örebro University, SE 70182 Örebro, Sweden

²Department of Laboratorymedicine, Faculty of Medicine and Health, Örebro University, SE 70182 Örebro, Sweden

³Department of Medical Cell Biology, Uppsala University, SE 75105 Uppsala, Sweden

^*Corresponding Author: Victoria Hahn-Strömberg, Senior Investigator, Department of Clinical Medicine, Örebro University, Örebro, Sweden, Tel: +46723281284 Email:

Keywords: Tight junctions; Complexity index; Immunohistochemistry; Heterogenous expression

Introduction