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Peritubular Capillary C4d Deposition in Chronic Allograft Dysfunction

Authors
 Hyeon Joo Jeong  ;  Se Hoon Kim  ;  Kiil Park  ;  Myoung Soo Kim  ;  Soon Il Kim  ;  Yu Seun Kim 
Citation
 YONSEI MEDICAL JOURNAL, Vol.45(5) : 859-864, 2004 
Journal Title
 YONSEI MEDICAL JOURNAL 
ISSN
 0513-5796 
Issue Date
2004
MeSH
Adult ; Capillaries/metabolism ; Chronic Disease ; Complement C4b/analysis* ; Female ; Graft Rejection/diagnosis* ; Humans ; Kidney Transplantation* ; Male ; Middle Aged ; Peptide Fragments/analysis* ; Staining and Labeling ; Transplantation, Homologous
Keywords
Acute rejection ; C4d ; chronic allograft dysfunction ; peritubular capillary ; renal transplantation
Abstract
Peritubular capillary (PTC) C4d staining represents a marker for acute humoral rejection, however, the impact of positive staining on chronic allograft dysfunction has received little attention. Ninety-three renal allograft biopsies from 93 patients were selected from a total of 174 renal allograft biopsies, which were obtained 6 months or more after transplantation (median: 89 months). Fresh frozen renal tissue was stained with monoclonal antibody against C4d. Sixteen of 93 biopsies showed C4d staining in PTC. C4d staining was positive in 40% of acute rejection cases (n=15) and 21% of chronic rejection cases (n=24). When the samples were divided according to C4d positivity, the C4d (+) group had a higher proportion of acute rejection than the C4d (-) group. However, no significant difference was observed between the two groups in terms of the prevalence of chronic rejection. Degrees of histological injury including tubulitis, interstitial inflammation and interstitial fibrosis were not significantly different between C4d (+) and C4d (-) groups. However, the 2-year graft survival rate after biopsy was lower in the C4d (+) group than in the C4d (-) group (24.8% versus 59.0%, p=0.1255). C4d staining in PTC is associated with late acute rejection, but not with chronic rejection based on conventional morphologic criteria in patients with chronic allograft dysfunction.
Files in This Item:
T200404542.pdf Download
DOI
10.3349/ymj.2004.45.5.859
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Surgery (외과학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Pathology (병리학교실) > 1. Journal Papers
Yonsei Authors
Kim, Myoung Soo(김명수) ORCID logo https://orcid.org/0000-0002-8975-8381
Kim, Se Hoon(김세훈) ORCID logo https://orcid.org/0000-0001-7516-7372
Kim, Soon Il(김순일) ORCID logo https://orcid.org/0000-0002-0783-7538
Kim, Yu Seun(김유선) ORCID logo https://orcid.org/0000-0002-5105-1567
Park, Ki Il(박기일)
Jeong, Hyeon Joo(정현주) ORCID logo https://orcid.org/0000-0002-9695-1227
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/112971
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