Identification of two down-regulated genes in rat liver allografts by mRNA differential display

Yu Chun Lin, S. Goto*, Tair Long Pan, Yi Ren Hong, Chen Lung Lin, Roger Lord, Kuei Chen Chiang, Chia Yun Lai, Hui Peng Tseng, Li Wen Hsu, Sachio Iwashita, Seigo Kitano, Chao Long Chen

*Corresponding author for this work

Research output: Contribution to journalJournal Article peer-review

3 Scopus citations

Abstract

Total RNA differential display (DD) using random primers was performed for rat orthotopic liver transplantation (OLT) models. DA (RT1a) donor livers were transplanted into DA, PVG (RT1c), and LEW (RT1l) recipients: (1) syngeneic OLT (DA-DA): no rejection occurs; (2) allogeneic OLT (DA-PVG): rejection occurs, but is naturally overcome without immuno-suppression; (3) allogeneic OLT (DA-LEW): animals die of acute rejection within 14 days. cDNA was isolated from selected bands, re-amplified for sequencing, and confirmed by Northern blots. Two down-regulated genes were observed in day-7 allogeneic OLT livers (DA-PVG, DA-LEW), while they were consistently expressed in day-7 syngeneic OLT (DA-DA) livers. These two genes were identified as α-glutathione sulfotransferase (α-GST) Ya gene and estrogen sulfotransferase (EST), respectively. Northern blots confirmed that their expression was down-regulated in OLT (DA-PVG) livers on days 7-26 and gradually restored. The mRNA expression of GST and EST may be good markers to predict rejection or induction of tolerance.

Original languageEnglish
Pages (from-to)153-158
Number of pages6
JournalTransplant International
Volume14
Issue number3
DOIs
StatePublished - 2001
Externally publishedYes

Keywords

  • Estrogen sulfotransferase
  • Glutathione sulfotransferase
  • Liver transplantation
  • Rat
  • Tolerance

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