Regulation of intestinal epithelial intercellular adhesion and barrier function by desmosomal cadherin desmocollin-2

Author:

Raya-Sandino Arturo1,Luissint Anny-Claude1,Kusters Dennis H. M.1,Narayanan Vani2,Flemming Sven1,Garcia-Hernandez Vicky1,Godsel Lisa M.3,Green Kathleen J.34,Hagen Susan J.5,Conway Daniel E.2,Parkos Charles A.1,Nusrat Asma1

Affiliation:

1. Department of Pathology, University of Michigan Medical School, Ann Arbor, MI 48109

2. Department of Biomedical Engineering, Virginia Commonwealth University, Richmond, VA 23284

3. Departments of Pathology and Dermatology, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611

4. Robert H. Lurie Comprehensive Cancer Center of Northwestern University, Chicago, IL 60611

5. Department of Surgery, Beth Israel Deaconess Medical Center, Boston, MA 02115

Abstract

Our findings emphasize a major role for Dsc2 in the regulation of barrier function using inducible Dsc2 depletion in murine intestinal epithelial cells in vivo. Functional analysis revealed that loss of Dsc2 resulted in decreased intercellular adhesion and increased intestinal permeability associated with higher tension on desmosomes.

Publisher

American Society for Cell Biology (ASCB)

Subject

Cell Biology,Molecular Biology

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