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REVIEW |
Departments of Molecular Cell Biology and Immunology1 and Nephrology,2 VU University Medical Center, Amsterdam, The Netherlands
FOOTNOTES
a Now at: Department of Nephrology, University Medical Center Groningen, Groningen, The Netherlands.
Correspondence to: M.N. Schilte, Department of Molecular Cell Biology and Immunology, H269, VU University Medical Center, Van der Boechorststraat 7, 1081 BT Amsterdam, The Netherlands. m.schilte{at}vumc.nl
ABSTRACT
Peritoneal dialysis (PD) is associated with functional and structural
changes of the peritoneal membrane. In this review we describe factors
contributing to peritoneal tissue remodeling, including uremia, peritonitis,
volume loading, the presence of a catheter, and the PD fluid itself. These
factors initiate recruitment and activation of peritoneal cells such as
macrophages and mast cells, as well as activation of peritoneal cells,
including mesothelial cells, fibroblasts, and endothelial cells. We provide an
overview of cytokines, growth factors, and other mediators involved in
PD-associated changes. Activation of downstream pathways of cellular
modulators can induce peritoneal tissue remodeling, leading to ultrafiltration
loss. Identification of molecular pathways, cells, and cytokines involved in
the development of angiogenesis, fibrosis, and membrane failure may lead to
innovative therapeutic strategies that can protect the peritoneal membrane
from the consequences of long-term PD.
KEY WORDS: Cytokines; peritoneal cells; peritoneal rest; therapeutic interventions; tissue remodeling.
Received 24 October 2008; accepted 3 February 2009.
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