Document Detail


Immunocytological urinalysis and monocyte chemotactic peptide-1 in renal transplant recipients with polyomavirus replication.
MedLine Citation:
PMID:  16504689     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
In some patients polyomavirus replication induces chronic tubulointerstitial inflammation in the transplanted kidney. The aim of this study was to investigate whether immunocytological urinalysis and monocyte chemoattractant protein-1 (MCP-1) assays could be used for an early diagnosis of nephropathy for patients with polyomavirus replication. We analyzed 1189 urine sediments from 174 renal allograft recipients who were transplanted between 2000 and 2005. Decoy cells were identified by an immunofluorescence method using specific antibodies (JC/BK monoclonal antibody). A similar method was used to detect CD3(+), CD14(+), and HLA-DR(+) cells with appropriate antibodies. The urinary excretion of MCP-1 was assayed by enzyme-linked immunosorbent assay. The results of urine sediment analysis and MCP-1 concentrations were compared with those of patients with stable graft function (control group n = 65). In 17 patients (10%) decoy cells were identified in urine. In 12 patients polyomavirus DNA was detected in plasma or urine by a polymerase chain reaction method. Polyomavirus nephropathy was diagnosed in eight patients by the presence of intranuclear viral inclusions or immunohistochemical staining with SV40 large T-antigen specimens from a renal biopsy, as well as by clinical and histopathological evidence (group I). Polyomavirus replication was diagnosed in four patients by urinary excretion of decoy cells and polyomavirus DNA detection (group III). In five patients only decoy cells were found. The patients of groups I and II showed an increased number of CD3, CD14, HLA-DR surface antigen-positive cells and greater excretion of MCP-1 compared with the control group (P < .02). The number of excreted cells was higher among patients with more severe infiltration. The results of patients from group III were similar to the control group. In conclusion, increased excretion of cells with CD3, CD14, and HLA-DR surface antigens and of MCP-1 were associated with intragraft tubulointerstitial inflammation in patients with polyomavirus nephropathy. Asymptomatic polyomavirus replication was associated with hidden tubulointerstitial inflammation. Monitoring cell excretion and chemokine content may be utilized for early detection of polyomavirus-induced nephropathy.
Authors:
M Boratyńska; B Dubiński; K Rybka; D Jezior; P Szyber; M Klinger
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Transplantation proceedings     Volume:  38     ISSN:  0041-1345     ISO Abbreviation:  Transplant. Proc.     Publication Date:    2006 Jan-Feb
Date Detail:
Created Date:  2006-02-28     Completed Date:  2006-05-02     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0243532     Medline TA:  Transplant Proc     Country:  United States    
Other Details:
Languages:  eng     Pagination:  151-4     Citation Subset:  IM    
Affiliation:
Department of Nephrology and Transplant Medicine, Wroclaw Medical University, ul. Traugutta 57/59, 50-417 Wroclaw, Poland. borat@iitd.pan.wroc.pl
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MeSH Terms
Descriptor/Qualifier:
Adult
Antigens, CD / urine
Chemokine CCL2 / urine*
Female
HLA-D Antigens / urine
HLA-DR Antigens / urine
Humans
Immunohistochemistry / methods
Kidney Transplantation / immunology,  physiology*
Male
Middle Aged
Monitoring, Physiologic / methods
Polyomavirus / isolation & purification,  physiology*
Retrospective Studies
Virus Replication
Chemical
Reg. No./Substance:
0/Antigens, CD; 0/CCL2 protein, human; 0/Chemokine CCL2; 0/HLA-D Antigens; 0/HLA-DR Antigens

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