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Type: Journal article
Title: Bad and good growth factors in the peritoneal cavity
Author: Faull, R.
Citation: Nephrology, 2005; 10(3):234-239
Publisher: Blackwell Publishing Asia
Issue Date: 2005
ISSN: 1320-5358
Statement of
Randall J. Faull
Abstract: Progressive peritoneal membrane fibrosis, and associated loss of ultrafiltration and dialysis capacity, is an increasingly limiting problem with time on peritoneal dialysis. The primary culprit is the composition of the peritoneal dialysate, although episodes of peritonitis can hasten the process. At a molecular level, there is increasing evidence that several growth factors play key roles in the development of peritoneal membrane fibrosis. Transforming growth factor (TGF)-beta is widely implicated in pathological fibrosis, and a considerable body of evidence favours a similar role in the peritoneal membrane. Connective tissue growth factor (CTGF), a downstream mediator of TGF-beta-induced fibrosis, has more recently been implicated in peritoneal membrane scarring. In contrast to the pleiotropic effects of TGF-beta, CTGF more specifically targets the fibrosis pathway, and so is an attractive candidate for inhibiting the damage to the membrane. Heparin-binding epidermal growth factor-like growth factor (HB-EGF) has also been found in the peritoneal cavity, but its effect on peritoneal mesothelial cells suggests that it has a positive role in guiding membrane repair and avoiding pathological fibrosis. In the future, it is hoped that changes in peritoneal dialysis technology will create a better balance between the bad and good effects of these growth factors, which in turn will lead to more successful long-term outcomes for this major renal replacement therapy.
Keywords: fibrosis
growth factors
peritoneal membrane.
Description: © 2005 Asian Pacific Society of Nephrology.
DOI: 10.1111/j.1440-1797.2005.00395.x
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