Epstein-Barr virus DNA load and seroconversion in pediatric renal transplantation with tacrolimus immunosuppression

Toshiaki Suzuki, Yohei Ikezumi, Soichiro Okubo, Makoto Uchiyama, Kota Takahashi, Hiroshi Shiraga, Motoshi Hattori

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

EBV infection is one of major complications arising in pediatric patients who have undergone renal transplantation. A strong correlation between the grade of immunosuppression and the development of PTLD, one of the most severe EBV-associated diseases, has been recognized. In this study, we monitored the serologic profile in conjunction with peripheral blood EBV-DNA load of 32 children who underwent renal transplantation with tacrolimus as an immunosuppressant. Six patients were EBV-seronegative (EBV-) before the transplantation, and the mean DNA load in the EBV- group was significantly higher than that in the EBV-seropositive (EBV+) group. Seroconversion occurred in five of these patients in a mean period of 22 weeks after the transplantation. The EBV-DNA load in the EBV+ group was maintained at a low level for a year, whereas it increased rapidly to over 1 × 105 copies/mL in two patients in the EBV- group three to seven months after the transplantation, which corresponds to the timing of seroconversion, and one of them developed PTLD. These observations suggest that the close monitoring of the EBV-DNA load, along with longitudinal observation of seroconversion, is essential in pediatric renal transplantation, particularly for younger children who are more likely to be EVB-.

Original languageEnglish
Pages (from-to)749-754
Number of pages6
JournalPediatric Transplantation
Volume11
Issue number7
DOIs
Publication statusPublished - 01-11-2007
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Pediatrics, Perinatology, and Child Health
  • Transplantation

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