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  • Title: Potential predictive markers in protocol biopsies for premature renal graft loss.
    Author: Matl I, Hribova P, Honsova E, Brabcova I, Viklicky O.
    Journal: Kidney Blood Press Res; 2010; 33(1):7-14. PubMed ID: 20090361.
    Abstract:
    BACKGROUND/AIMS: Protocol biopsies offer new possibilities to predict kidney allograft outcome. The aim of this study was to find clinical, laboratory, morphological and molecular predictors of short-term renal graft survival. METHODS: Three-month protocol kidney graft biopsy was carried out on 257 patients. The real-time RT-PCR was used to identify intragraft mRNA expression of several cytokines and chemokines and predictive statistics was performed to find markers connected with the risk of premature graft failure. RESULTS: Compared to patients with normal morphology at 3 months, patients with subclinical rejection including borderline changes had experienced more frequent (p < 0.001) acute rejections before 3-month biopsy, serum creatinine >or=170 micromol/l (p < 0.01), and higher intrarenal expression of RANTES, IP-10 (p < 0.001), C3, CD3, IgJ (p < 0.01) and CD20 (p < 0.05). There was a significant correlation between subclinical rejection and the occurrence of late acute rejection and graft failure at the first year after transplantation. Moreover, higher RANTES and IP-10 expressions in subclinical rejection predicted graft loss at one year after transplantation in the univariate analysis. CONCLUSIONS: Patients with subclinical rejection including borderline changes in 3-month biopsy and particularly those with higher intrarenal expression of RANTES and IP-10 mRNA were found to be at risk for premature kidney graft loss.
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