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Identification of a Stable Gene Signature of Transplant Tolerance to Liver Allograft by Meta-Analysis.

G. Gu, H. Hang, Q. Xia.

Department of Hepatic Surgery, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, China

Meeting: 2017 American Transplant Congress

Abstract number: D219

Keywords: Liver transplantation, Tolerance

Session Information

Date: Tuesday, May 2, 2017

Session Name: Poster Session D: Liver: Immunosuppression and Rejection

Session Time: 6:00pm-7:00pm

 Presentation Time: 6:00pm-7:00pm

Location: Hall D1

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Transplant tolerant to a liver graft display a specific blood cell transcriptional pattern but results from six different studies were not consistent, raising the question of relevance for future clinical application. To resolve this, we sought to identify a common gene signature, specific functional and cellular components, and discriminating biomarkers for tolerance following liver transplantation. A meta-analysis of studies identified a robust gene signature involving CD4 T cell and B cell function. Experimental validation was performed on new tolerant samples and using a selection of the top-10 biomarkers. Beyond the confirmation of T cell and B-cell involvement, our data also indicated participation of other cell subsets in tolerance. Furthermore, we identified 12 new biomarkers. Thus, the use of the top10 biomarkers may provide a common and standardized tool towards personalized medicine for the monitoring of tolerant patients among liver transplant recipients. These data may contribute to a better understanding of tolerance maintenance mechanisms.

CITATION INFORMATION: Gu G, Hang H, Xia Q. Identification of a Stable Gene Signature of Transplant Tolerance to Liver Allograft by Meta-Analysis. Am J Transplant. 2017;17 (suppl 3).

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To cite this abstract in AMA style:

Gu G, Hang H, Xia Q. Identification of a Stable Gene Signature of Transplant Tolerance to Liver Allograft by Meta-Analysis. [abstract]. Am J Transplant. 2017; 17 (suppl 3). https://atcmeetingabstracts.com/abstract/identification-of-a-stable-gene-signature-of-transplant-tolerance-to-liver-allograft-by-meta-analysis/. Accessed April 22, 2021.

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