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Ther Apher Dial. 2015 Feb;19(1):1-7. doi: 10.1111/1744-9987.12222. Epub 2014 Sep 4.

Therapeutic applications of mesothelial cell sheets.

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Department of Medicine, Kidney Center, Tokyo, Japan.


Mesothelial cells are an integral part of the peritoneum and play an important role in maintaining its structural and functional properties. In recent years a number of studies on mesothelial cells have been performed to evaluate the localization, secretional properties and the ability of regeneration and transdifferentiation of these cells. They are also involved in the repair of the peritoneum damage following surgery or peritonitis. Mesothelial cells produce several cytokines, growth factors and extracellular matrix components, possessing anti-inflammatory and immunomodulatory properties. Based on previous research, cell sheet engineering has made it possible to transplant cells that retain the cells' function, and stacking different cells in layers has also become possible. Arranging blood vessels between the cell layers is a problem when stacking cells in layers. Whether adequate blood flow can be obtained for the cell layers to survive long-term is the difference between success and failure. Mesothelial cell transplantation for peritoneal regeneration needs to be performed under conditions in which the surface area of the visceral peritoneum is large and the mesothelial cell damage area is small. In this article we explain cell sheet engineering as one of the technologies for transplanting cells with a variety of intercellular adhesion and cell membrane molecules maintained intact, and its application to peritoneal regeneration.


Cell sheet; Mesothelial cells; Peritoneal dialysis; Regeneration

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