author_facet Di Poto, Cristina
Ferrarini, Alessia
Zhao, Yi
Varghese, Rency S.
Tu, Chao
Zuo, Yiming
Wang, Minkun
Nezami Ranjbar, Mohammad R.
Luo, Yue
Zhang, Chi
Desai, Chirag S.
Shetty, Kirti
Tadesse, Mahlet G.
Ressom, Habtom W.
Di Poto, Cristina
Ferrarini, Alessia
Zhao, Yi
Varghese, Rency S.
Tu, Chao
Zuo, Yiming
Wang, Minkun
Nezami Ranjbar, Mohammad R.
Luo, Yue
Zhang, Chi
Desai, Chirag S.
Shetty, Kirti
Tadesse, Mahlet G.
Ressom, Habtom W.
author Di Poto, Cristina
Ferrarini, Alessia
Zhao, Yi
Varghese, Rency S.
Tu, Chao
Zuo, Yiming
Wang, Minkun
Nezami Ranjbar, Mohammad R.
Luo, Yue
Zhang, Chi
Desai, Chirag S.
Shetty, Kirti
Tadesse, Mahlet G.
Ressom, Habtom W.
spellingShingle Di Poto, Cristina
Ferrarini, Alessia
Zhao, Yi
Varghese, Rency S.
Tu, Chao
Zuo, Yiming
Wang, Minkun
Nezami Ranjbar, Mohammad R.
Luo, Yue
Zhang, Chi
Desai, Chirag S.
Shetty, Kirti
Tadesse, Mahlet G.
Ressom, Habtom W.
Cancer Epidemiology, Biomarkers & Prevention
Metabolomic Characterization of Hepatocellular Carcinoma in Patients with Liver Cirrhosis for Biomarker Discovery
Oncology
Epidemiology
author_sort di poto, cristina
spelling Di Poto, Cristina Ferrarini, Alessia Zhao, Yi Varghese, Rency S. Tu, Chao Zuo, Yiming Wang, Minkun Nezami Ranjbar, Mohammad R. Luo, Yue Zhang, Chi Desai, Chirag S. Shetty, Kirti Tadesse, Mahlet G. Ressom, Habtom W. 1055-9965 1538-7755 American Association for Cancer Research (AACR) Oncology Epidemiology http://dx.doi.org/10.1158/1055-9965.epi-16-0366 <jats:title>Abstract</jats:title> <jats:p>Background: Metabolomics plays an important role in providing insight into the etiology and mechanisms of hepatocellular carcinoma (HCC). This is accomplished by a comprehensive analysis of patterns involved in metabolic alterations in human specimens. This study compares the levels of plasma metabolites in HCC cases versus cirrhotic patients and evaluates the ability of candidate metabolites in distinguishing the two groups. Also, it investigates the combined use of metabolites and clinical covariates for detection of HCC in patients with liver cirrhosis.</jats:p> <jats:p>Methods: Untargeted analysis of metabolites in plasma from 128 subjects (63 HCC cases and 65 cirrhotic controls) was conducted using gas chromatography coupled to mass spectrometry (GC-MS). This was followed by targeted evaluation of selected metabolites. LASSO regression was used to select a set of metabolites and clinical covariates that are associated with HCC. The performance of candidate biomarkers in distinguishing HCC from cirrhosis was evaluated through a leave-one-out cross-validation based on area under the receiver operating characteristics (ROC) curve.</jats:p> <jats:p>Results: We identified 11 metabolites and three clinical covariates that differentiated HCC cases from cirrhotic controls. Combining these features in a panel for disease classification using support vector machines (SVM) yielded better area under the ROC curve compared with alpha-fetoprotein (AFP).</jats:p> <jats:p>Conclusions: This study demonstrates the combination of metabolites and clinical covariates as an effective approach for early detection of HCC in patients with liver cirrhosis.</jats:p> <jats:p>Impact: Further investigation of these findings may improve understanding of HCC pathophysiology and possible implication of the metabolites in HCC prevention and diagnosis. Cancer Epidemiol Biomarkers Prev; 26(5); 675–83. ©2016 AACR.</jats:p> Metabolomic Characterization of Hepatocellular Carcinoma in Patients with Liver Cirrhosis for Biomarker Discovery Cancer Epidemiology, Biomarkers & Prevention
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recordtype ai
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series Cancer Epidemiology, Biomarkers & Prevention
source_id 49
title Metabolomic Characterization of Hepatocellular Carcinoma in Patients with Liver Cirrhosis for Biomarker Discovery
title_unstemmed Metabolomic Characterization of Hepatocellular Carcinoma in Patients with Liver Cirrhosis for Biomarker Discovery
title_full Metabolomic Characterization of Hepatocellular Carcinoma in Patients with Liver Cirrhosis for Biomarker Discovery
title_fullStr Metabolomic Characterization of Hepatocellular Carcinoma in Patients with Liver Cirrhosis for Biomarker Discovery
title_full_unstemmed Metabolomic Characterization of Hepatocellular Carcinoma in Patients with Liver Cirrhosis for Biomarker Discovery
title_short Metabolomic Characterization of Hepatocellular Carcinoma in Patients with Liver Cirrhosis for Biomarker Discovery
title_sort metabolomic characterization of hepatocellular carcinoma in patients with liver cirrhosis for biomarker discovery
topic Oncology
Epidemiology
url http://dx.doi.org/10.1158/1055-9965.epi-16-0366
publishDate 2017
physical 675-683
description <jats:title>Abstract</jats:title> <jats:p>Background: Metabolomics plays an important role in providing insight into the etiology and mechanisms of hepatocellular carcinoma (HCC). This is accomplished by a comprehensive analysis of patterns involved in metabolic alterations in human specimens. This study compares the levels of plasma metabolites in HCC cases versus cirrhotic patients and evaluates the ability of candidate metabolites in distinguishing the two groups. Also, it investigates the combined use of metabolites and clinical covariates for detection of HCC in patients with liver cirrhosis.</jats:p> <jats:p>Methods: Untargeted analysis of metabolites in plasma from 128 subjects (63 HCC cases and 65 cirrhotic controls) was conducted using gas chromatography coupled to mass spectrometry (GC-MS). This was followed by targeted evaluation of selected metabolites. LASSO regression was used to select a set of metabolites and clinical covariates that are associated with HCC. The performance of candidate biomarkers in distinguishing HCC from cirrhosis was evaluated through a leave-one-out cross-validation based on area under the receiver operating characteristics (ROC) curve.</jats:p> <jats:p>Results: We identified 11 metabolites and three clinical covariates that differentiated HCC cases from cirrhotic controls. Combining these features in a panel for disease classification using support vector machines (SVM) yielded better area under the ROC curve compared with alpha-fetoprotein (AFP).</jats:p> <jats:p>Conclusions: This study demonstrates the combination of metabolites and clinical covariates as an effective approach for early detection of HCC in patients with liver cirrhosis.</jats:p> <jats:p>Impact: Further investigation of these findings may improve understanding of HCC pathophysiology and possible implication of the metabolites in HCC prevention and diagnosis. Cancer Epidemiol Biomarkers Prev; 26(5); 675–83. ©2016 AACR.</jats:p>
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author Di Poto, Cristina, Ferrarini, Alessia, Zhao, Yi, Varghese, Rency S., Tu, Chao, Zuo, Yiming, Wang, Minkun, Nezami Ranjbar, Mohammad R., Luo, Yue, Zhang, Chi, Desai, Chirag S., Shetty, Kirti, Tadesse, Mahlet G., Ressom, Habtom W.
author_facet Di Poto, Cristina, Ferrarini, Alessia, Zhao, Yi, Varghese, Rency S., Tu, Chao, Zuo, Yiming, Wang, Minkun, Nezami Ranjbar, Mohammad R., Luo, Yue, Zhang, Chi, Desai, Chirag S., Shetty, Kirti, Tadesse, Mahlet G., Ressom, Habtom W., Di Poto, Cristina, Ferrarini, Alessia, Zhao, Yi, Varghese, Rency S., Tu, Chao, Zuo, Yiming, Wang, Minkun, Nezami Ranjbar, Mohammad R., Luo, Yue, Zhang, Chi, Desai, Chirag S., Shetty, Kirti, Tadesse, Mahlet G., Ressom, Habtom W.
author_sort di poto, cristina
container_issue 5
container_start_page 675
container_title Cancer Epidemiology, Biomarkers & Prevention
container_volume 26
description <jats:title>Abstract</jats:title> <jats:p>Background: Metabolomics plays an important role in providing insight into the etiology and mechanisms of hepatocellular carcinoma (HCC). This is accomplished by a comprehensive analysis of patterns involved in metabolic alterations in human specimens. This study compares the levels of plasma metabolites in HCC cases versus cirrhotic patients and evaluates the ability of candidate metabolites in distinguishing the two groups. Also, it investigates the combined use of metabolites and clinical covariates for detection of HCC in patients with liver cirrhosis.</jats:p> <jats:p>Methods: Untargeted analysis of metabolites in plasma from 128 subjects (63 HCC cases and 65 cirrhotic controls) was conducted using gas chromatography coupled to mass spectrometry (GC-MS). This was followed by targeted evaluation of selected metabolites. LASSO regression was used to select a set of metabolites and clinical covariates that are associated with HCC. The performance of candidate biomarkers in distinguishing HCC from cirrhosis was evaluated through a leave-one-out cross-validation based on area under the receiver operating characteristics (ROC) curve.</jats:p> <jats:p>Results: We identified 11 metabolites and three clinical covariates that differentiated HCC cases from cirrhotic controls. Combining these features in a panel for disease classification using support vector machines (SVM) yielded better area under the ROC curve compared with alpha-fetoprotein (AFP).</jats:p> <jats:p>Conclusions: This study demonstrates the combination of metabolites and clinical covariates as an effective approach for early detection of HCC in patients with liver cirrhosis.</jats:p> <jats:p>Impact: Further investigation of these findings may improve understanding of HCC pathophysiology and possible implication of the metabolites in HCC prevention and diagnosis. Cancer Epidemiol Biomarkers Prev; 26(5); 675–83. ©2016 AACR.</jats:p>
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imprint American Association for Cancer Research (AACR), 2017
imprint_str_mv American Association for Cancer Research (AACR), 2017
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spelling Di Poto, Cristina Ferrarini, Alessia Zhao, Yi Varghese, Rency S. Tu, Chao Zuo, Yiming Wang, Minkun Nezami Ranjbar, Mohammad R. Luo, Yue Zhang, Chi Desai, Chirag S. Shetty, Kirti Tadesse, Mahlet G. Ressom, Habtom W. 1055-9965 1538-7755 American Association for Cancer Research (AACR) Oncology Epidemiology http://dx.doi.org/10.1158/1055-9965.epi-16-0366 <jats:title>Abstract</jats:title> <jats:p>Background: Metabolomics plays an important role in providing insight into the etiology and mechanisms of hepatocellular carcinoma (HCC). This is accomplished by a comprehensive analysis of patterns involved in metabolic alterations in human specimens. This study compares the levels of plasma metabolites in HCC cases versus cirrhotic patients and evaluates the ability of candidate metabolites in distinguishing the two groups. Also, it investigates the combined use of metabolites and clinical covariates for detection of HCC in patients with liver cirrhosis.</jats:p> <jats:p>Methods: Untargeted analysis of metabolites in plasma from 128 subjects (63 HCC cases and 65 cirrhotic controls) was conducted using gas chromatography coupled to mass spectrometry (GC-MS). This was followed by targeted evaluation of selected metabolites. LASSO regression was used to select a set of metabolites and clinical covariates that are associated with HCC. The performance of candidate biomarkers in distinguishing HCC from cirrhosis was evaluated through a leave-one-out cross-validation based on area under the receiver operating characteristics (ROC) curve.</jats:p> <jats:p>Results: We identified 11 metabolites and three clinical covariates that differentiated HCC cases from cirrhotic controls. Combining these features in a panel for disease classification using support vector machines (SVM) yielded better area under the ROC curve compared with alpha-fetoprotein (AFP).</jats:p> <jats:p>Conclusions: This study demonstrates the combination of metabolites and clinical covariates as an effective approach for early detection of HCC in patients with liver cirrhosis.</jats:p> <jats:p>Impact: Further investigation of these findings may improve understanding of HCC pathophysiology and possible implication of the metabolites in HCC prevention and diagnosis. Cancer Epidemiol Biomarkers Prev; 26(5); 675–83. ©2016 AACR.</jats:p> Metabolomic Characterization of Hepatocellular Carcinoma in Patients with Liver Cirrhosis for Biomarker Discovery Cancer Epidemiology, Biomarkers & Prevention
spellingShingle Di Poto, Cristina, Ferrarini, Alessia, Zhao, Yi, Varghese, Rency S., Tu, Chao, Zuo, Yiming, Wang, Minkun, Nezami Ranjbar, Mohammad R., Luo, Yue, Zhang, Chi, Desai, Chirag S., Shetty, Kirti, Tadesse, Mahlet G., Ressom, Habtom W., Cancer Epidemiology, Biomarkers & Prevention, Metabolomic Characterization of Hepatocellular Carcinoma in Patients with Liver Cirrhosis for Biomarker Discovery, Oncology, Epidemiology
title Metabolomic Characterization of Hepatocellular Carcinoma in Patients with Liver Cirrhosis for Biomarker Discovery
title_full Metabolomic Characterization of Hepatocellular Carcinoma in Patients with Liver Cirrhosis for Biomarker Discovery
title_fullStr Metabolomic Characterization of Hepatocellular Carcinoma in Patients with Liver Cirrhosis for Biomarker Discovery
title_full_unstemmed Metabolomic Characterization of Hepatocellular Carcinoma in Patients with Liver Cirrhosis for Biomarker Discovery
title_short Metabolomic Characterization of Hepatocellular Carcinoma in Patients with Liver Cirrhosis for Biomarker Discovery
title_sort metabolomic characterization of hepatocellular carcinoma in patients with liver cirrhosis for biomarker discovery
title_unstemmed Metabolomic Characterization of Hepatocellular Carcinoma in Patients with Liver Cirrhosis for Biomarker Discovery
topic Oncology, Epidemiology
url http://dx.doi.org/10.1158/1055-9965.epi-16-0366