Identification of a gene-expression predictor for diagnosis and personalized stratification of lupus patients.

Systemic lupus erythematosus (SLE) is an autoimmune disease characterized by a wide spectrum of clinical manifestations and degrees of severity. Few genomic biomarkers for SLE have been validated and employed to inform clinical classifications and decisions. To discover and assess the gene-expressio...

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Main Authors: Yan Ding, Hongai Li, Xiaojie He, Wang Liao, Zhuwen Yi, Jia Yi, Zhibin Chen, Daniel J Moore, Yajun Yi, Wei Xiang
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2018-01-01
Series:PLoS ONE
Online Access:https://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0198325&type=printable
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author Yan Ding
Hongai Li
Xiaojie He
Wang Liao
Zhuwen Yi
Jia Yi
Zhibin Chen
Daniel J Moore
Yajun Yi
Wei Xiang
author_facet Yan Ding
Hongai Li
Xiaojie He
Wang Liao
Zhuwen Yi
Jia Yi
Zhibin Chen
Daniel J Moore
Yajun Yi
Wei Xiang
author_sort Yan Ding
collection DOAJ
description Systemic lupus erythematosus (SLE) is an autoimmune disease characterized by a wide spectrum of clinical manifestations and degrees of severity. Few genomic biomarkers for SLE have been validated and employed to inform clinical classifications and decisions. To discover and assess the gene-expression based SLE predictors in published studies, we performed a meta-analysis using our established signature database and a data similarity-driven strategy. From 13 training data sets on SLE gene-expression studies, we identified a SLE meta-signature (SLEmetaSig100) containing 100 concordant genes that are involved in DNA sensors and the IFN signaling pathway. We rigorously examined SLEmetaSig100 with both retrospective and prospective validation in two independent data sets. Using unsupervised clustering, we retrospectively elucidated that SLEmetaSig100 could classify clinical samples into two groups that correlated with SLE disease status and disease activities. More importantly, SLEmetaSig100 enabled personalized stratification demonstrating its ability to prospectively predict SLE disease at the individual patient level. To evaluate the performance of SLEmetaSig100 in predicting SLE, we predicted 1,171 testing samples to be either non-SLE or SLE with positive predictive value (97-99%), specificity (85%-84%), and sensitivity (60-84%). Our study suggests that SLEmetaSig100 has enhanced predictive value to facilitate current SLE clinical classification and provides personalized disease activity monitoring.
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spelling doaj-art-adcddf0ac7eb4793a0bc478c5bcbadba2025-08-20T02:03:39ZengPublic Library of Science (PLoS)PLoS ONE1932-62032018-01-01137e019832510.1371/journal.pone.0198325Identification of a gene-expression predictor for diagnosis and personalized stratification of lupus patients.Yan DingHongai LiXiaojie HeWang LiaoZhuwen YiJia YiZhibin ChenDaniel J MooreYajun YiWei XiangSystemic lupus erythematosus (SLE) is an autoimmune disease characterized by a wide spectrum of clinical manifestations and degrees of severity. Few genomic biomarkers for SLE have been validated and employed to inform clinical classifications and decisions. To discover and assess the gene-expression based SLE predictors in published studies, we performed a meta-analysis using our established signature database and a data similarity-driven strategy. From 13 training data sets on SLE gene-expression studies, we identified a SLE meta-signature (SLEmetaSig100) containing 100 concordant genes that are involved in DNA sensors and the IFN signaling pathway. We rigorously examined SLEmetaSig100 with both retrospective and prospective validation in two independent data sets. Using unsupervised clustering, we retrospectively elucidated that SLEmetaSig100 could classify clinical samples into two groups that correlated with SLE disease status and disease activities. More importantly, SLEmetaSig100 enabled personalized stratification demonstrating its ability to prospectively predict SLE disease at the individual patient level. To evaluate the performance of SLEmetaSig100 in predicting SLE, we predicted 1,171 testing samples to be either non-SLE or SLE with positive predictive value (97-99%), specificity (85%-84%), and sensitivity (60-84%). Our study suggests that SLEmetaSig100 has enhanced predictive value to facilitate current SLE clinical classification and provides personalized disease activity monitoring.https://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0198325&type=printable
spellingShingle Yan Ding
Hongai Li
Xiaojie He
Wang Liao
Zhuwen Yi
Jia Yi
Zhibin Chen
Daniel J Moore
Yajun Yi
Wei Xiang
Identification of a gene-expression predictor for diagnosis and personalized stratification of lupus patients.
PLoS ONE
title Identification of a gene-expression predictor for diagnosis and personalized stratification of lupus patients.
title_full Identification of a gene-expression predictor for diagnosis and personalized stratification of lupus patients.
title_fullStr Identification of a gene-expression predictor for diagnosis and personalized stratification of lupus patients.
title_full_unstemmed Identification of a gene-expression predictor for diagnosis and personalized stratification of lupus patients.
title_short Identification of a gene-expression predictor for diagnosis and personalized stratification of lupus patients.
title_sort identification of a gene expression predictor for diagnosis and personalized stratification of lupus patients
url https://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0198325&type=printable
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