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A novel molecular-clinicopathologic nomogram to improve prognosis prediction of hepatocellular carcinoma.


ABSTRACT:

Background

Emerging evidence suggests that long non-coding RNA (lncRNA) plays a crucial part in the development and progress of hepatocellular carcinoma (HCC). The objective was to develop novel molecular-clinicopathological prediction methods for overall survival (OS) and recurrence of HCC.

Results

An 8-lncRNA-based classifier for OS and a 14-lncRNA-based classifier for recurrence were developed by LASSO COX regression analysis, both of which had high accuracy. The tdROC of OS-nomogram and recurrence-nomogram indicates the satisfactory accuracy and predictive power. The classifiers and nomograms for predicting OS and recurrence of HCC were validated in the Test and GEO cohorts.

Conclusions

These two lncRNA-based classifiers could be independent prognostic factors for OS and recurrence. The molecule-clinicopathological nomograms based on the classifiers could increase the prognostic value.

Methods

HCC lncRNA expression profiles from the cancer genome atlas (TCGA) were randomly divided into 1:1 training and test cohorts. Based on least absolute shrinkage and selection operator method (LASSO) COX regression model, lncRNA-based classifiers were established to predict OS and recurrence, respectively. OS-nomogram and recurrence-nomogram were developed by combining lncRNA-based classifiers and clinicopathological characterization to predict OS and recurrence, respectively. The prognostic value was accessed by the time-dependent receiver operating characteristic (tdROC) and the concordance index (C-index).

SUBMITTER: Zhang Z 

PROVIDER: S-EPMC7377850 | biostudies-literature | 2020 Jun

REPOSITORIES: biostudies-literature

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Publications

A novel molecular-clinicopathologic nomogram to improve prognosis prediction of hepatocellular carcinoma.

Zhang Zhongjing Z   Weng Wanqing W   Huang Weiguo W   Wu Boda B   Zhou Yi Y   Zhang Jie J   Deng Tuo T   Ye Wen W   Zhang Jiecheng J   Ao Jianyang J   Zhang Qiyu Q   Shi Keqing K  

Aging 20200630 13


<h4>Background</h4>Emerging evidence suggests that long non-coding RNA (lncRNA) plays a crucial part in the development and progress of hepatocellular carcinoma (HCC). The objective was to develop novel molecular-clinicopathological prediction methods for overall survival (OS) and recurrence of HCC.<h4>Results</h4>An 8-lncRNA-based classifier for OS and a 14-lncRNA-based classifier for recurrence were developed by LASSO COX regression analysis, both of which had high accuracy. The tdROC of OS-no  ...[more]

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