期刊
CLINICAL TRANSPLANTATION
卷 32, 期 12, 页码 -出版社
WILEY
DOI: 10.1111/ctr.13429
关键词
antibody-mediated rejection; ETV7; kidney transplantation; RSAD2
资金
- Rahel-Hirsch scholarship (Kommission fur wissenschaftliche Nachwuchsforderung, Charite Berlin, Germany)
- e:Bio Innovationswettbewerb Systembiologie program of the Federal Ministry of Education
- Sonnenfeld-Stiftung, (Berlin, Germany)
- European Regional Development Fund
Context Antibody-mediated rejection (ABMR) after kidney transplantation (KTx) remains the crucial obstacle to successful long-term graft function. The identification of gene signatures involved in ABMR could grant the basis for better prevention and treatment strategies. Objective The identification of gene signatures in whole blood cells specific for ABMR after KTx. Materials and methods Total RNA from blood cells of 16 kidney-transplanted patients with ABMR, stable graft function (SGF), and with T-cell-mediated rejection (TCMR) was isolated. Gene expression was determined by high-throughput sequencing followed by validation and analyses of differentially expressed candidates on mRNA level and on protein level in a large patient cohort (n = 185) in patients with SGF, urinary tract infection (UTI), borderline rejection (BL), TCMR, ABMR, and interstitial fibrosis and tubular atrophy. Results From the 570 genes detected, 111 discriminated ABMR from SGF and TCMR. A distinct enrichment of interferon (IFN) type I and type II signature gene set was observed. The expression of candidate genes IFIT1, ETV7, and RSAD2 distinguished ABMR patients from patients with SGF and also TCMR, whereas ETV7 and RSAD2 differentiated ABMR also from BL. Conclusion The IFN-inducible genes ETV7 and RSAD2 represent specific biomarkers for ABMR episodes after KTx.
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