Author: Franka Scharfenberg

0000000000800097

AUTHOR

Franka Scharfenberg

Meprin β: A novel regulator of blood–brain barrier integrity

The metalloprotease meprin β (Mep1b) is capable of cleaving cell-adhesion molecules in different tissues (e.g. skin, kidney and intestine) and is dysregulated in several diseases associated with barrier breakdown (Alzheimer´s disease, kidney disruption, inflammatory bowel disease). In this study, we demonstrate that Mep1b is a novel regulator of tight junction (TJ) composition and blood–brain barrier (BBB) integrity in brain endothelium. In Mep1b-transfected mouse brain endothelial cells (bEnd.3), we observed a reduction of the TJ protein claudin-5, decreased transendothelial electrical resistance (TEER) and an elevated permeability to paracellular diffusion marker [14C]-inulin. Analysis o…

research product

JCB905206 Supplemental Material - Supplemental material for Meprin β: A novel regulator of blood–brain barrier integrity

Supplemental material, JCB905206 Supplemental Material for Meprin β: A novel regulator of blood–brain barrier integrity by Markus Gindorf, Steffen E Storck, Anke Ohler, Franka Scharfenberg, Christoph Becker-Pauly and Claus U Pietrzik in Journal of Cerebral Blood Flow & Metabolism

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