Balance of transforming growth factor-β1 and platelet-derived growth factor-BB is associated with kidney allograft rejection

Pozzetto, Ubaldo; Abeni, Damiano; Citterio, Franco; Castagneto, Marco; Capogrossi, Maurizio C; Facchiano, Antonio
March 2008
Annals of Clinical Biochemistry;Mar2008, Vol. 45 Issue 2, p213
Academic Journal
Background: About 50% of kidney-transplant patients undergo organ rejection within 10 years. Chronic allograft nephropathy (CAN) represents the dominant cause of kidney transplant failure and accounts for 50–80% of graft loss in long-term surviving patients. CAN pathogenesis is multifactorial and not-completely elucidated; several reports indicate TGF-β1 and platelet-derived growth factor (PDGF)-BB expression in CAN suggesting a possible role of these factors in the allograft arteriosclerosis and graft failure. Methods: We investigated the plasma expression concentrations of human growth factors with enzyme-linked immunosorbent assays and appropriate statistical analysis. Results: We present evidences showing statistically significant association of CAN with a specific balance between TGF Beat1 and PDGF-BB plasma concentrations, in 129 kidney-transplant patients and 15 healthy controls. Odds ratios were computed to correlate expression-levels with CAN occurrence. Conclusion: We believe these data may suggest a novel non-invasive method to identify early molecular markers of graft deterioration.


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