H-Index
38
Scimago Lab
powered by Scopus
JCR
Clarivate
Analytics
call: +1.631.629.4327
Mon-Fri 10 am - 2 pm EST

Logo

MSMbanner
Medical Science Monitor Basic Research

AmJCaseRep
MedSciTechnol

eISSN: 2329-0358

Get your full text copy in PDF

Identification of Candidate Biomarkers in Peripheral Blood for Cardiac Allograft Rejection based on Bioinformatics Analysis

Zhonghua Shen, Weihua Gong

(Department of Cardiovascular Surgery, Second Affiliated Hospital of School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China (mainland))

Ann Transplant 2015; 20:312-319

DOI: 10.12659/AOT.893029


BACKGROUND: Cardiac allograft rejection (AR) can cause graft dysfunction and even mortality, and an early noninvasive diagnosis of cardiac AR is required. This study aims to identify candidate biomarkers in peripheral blood for cardiac AR, which might benefit early diagnosis.
MATERIAL AND METHODS: Gene expression profile (ID: GSE5967) of peripheral blood from cardiac allograft recipients was achieved from the Gene Expression Omnibus database, including 7 chips in rejection group, 7 chips in post-rejection group, and 7 chips in control group. After data preprocessing, limma package was used to screen the differentially expressed genes (DEGs) between these groups (|log2 fold change| ≥0.58, and p-value <0.05). Then, online software DAVID was utilized to study the pathways and functions involving these DEGs (p-value <0.05).
RESULTS: Totally, 21 up-regulated and 16 down-regulated DEGs were identified between rejection and control groups, and up-regulated DEGs were mainly enriched in bio-functions about translation and ribosome. Furthermore, 3 up-regulated and 14 down-regulated DEGs were identified between post-rejection and control groups. The down-regulated DEGs in 2 contrast groups were mainly enriched in bio-functions about lipid biosynthesis and membrane.
CONCLUSIONS: RPL7, RPL11, RPS23, RPS25, SCD5, CSF3R, and FPR1 were predicted as candidate biomarkers in peripheral blood for monitoring cardiac AR. The up-regulation of RPL7, RPS25, RPS23, and RPL11 might promote the translation of AR-related cytokines, and the down-regulation of SCD5, CSF3R, and FPR1 might reduce the stability of cell membrane, mediating cytokines secretion and the phagocytosis of macrophages. However, further studies are required to validate these predictions.

Keywords: Biological Markers, Cardiology, Heart Transplantation

This paper has been published under Creative Common Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) allowing to download articles and share them with others as long as they credit the authors and the publisher, but without permission to change them in any way or use them commercially.
I agree