Assay validation and clinical performance of chronic inflammatory and chemokine biomarkers of NASH fibrosis.

Nonalcoholic steatohepatitis (NASH) is a chronic liver disease that can lead to cirrhosis, liver transplant, and even hepatocellular carcinoma. While liver biopsy remains the reference standard for disease diagnosis, analytical and clinical development of non-invasive soluble biomarkers of NASH are...

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Main Authors: Sumit Kar, Sabina Paglialunga, Sharon H Jaycox, Rafiqul Islam, Angelo H Paredes
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2019-01-01
Series:PLoS ONE
Online Access:https://doi.org/10.1371/journal.pone.0217263
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author Sumit Kar
Sabina Paglialunga
Sharon H Jaycox
Rafiqul Islam
Angelo H Paredes
author_facet Sumit Kar
Sabina Paglialunga
Sharon H Jaycox
Rafiqul Islam
Angelo H Paredes
author_sort Sumit Kar
collection DOAJ
description Nonalcoholic steatohepatitis (NASH) is a chronic liver disease that can lead to cirrhosis, liver transplant, and even hepatocellular carcinoma. While liver biopsy remains the reference standard for disease diagnosis, analytical and clinical development of non-invasive soluble biomarkers of NASH are of great importance to advance the field. To this end, we performed analytical and clinical validation on a series of pro-inflammatory cytokines and chemokines implicated hepatic inflammation; IL-6, CRP, TNFα, MCP-1, MIP-1β, eotaxin, VCAM-1. Biomarker assays were validated for accuracy and precision. Clinical performance was evaluated in a random sample of 52 patients with biopsy-proven NAFLD/NASH. Patients were categorized into three groups according to their fibrosis stage; advanced (F3-F4), mild (F1-2) and no (F0) fibrosis. Serum IL-6 was increased in patients with advanced fibrosis (2.71 pg/mL; 1.26 pg/mL; 1.39 pg/mL p<0.01) compared to patients with mild or no fibrosis respectively. While, there was no significant difference noted in CRP, TNFα, MCP-1, MIP-1β, eotaxin among the three groups, VCAM-1 levels were increased by 55% (p<0.01) and 40% (p<0.05) in the advanced cohort compared to the mild and no fibrosis groups respectively. VCAM-1 also displayed good clinical performance as a biomarker of advanced fibrosis with an area under the receiver operating curve of 0.87. The VCAM-1 assay demonstrated robust accuracy and precision, and VCAM-1 outperformed IL-6, CRP, TNFα, and the chemokines MCP-1, MIP-1β, and eotaxin as a biomarker of advanced fibrosis in NASH. Addition of biomarkers such as IL-6 and VCAM-1 to panels may yield increased sensitivity and specificity for staging of NASH.
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spelling doaj.art-d70a0ea59b034e4fb7487af2d289a4b92023-10-13T05:31:42ZengPublic Library of Science (PLoS)PLoS ONE1932-62032019-01-01147e021726310.1371/journal.pone.0217263Assay validation and clinical performance of chronic inflammatory and chemokine biomarkers of NASH fibrosis.Sumit KarSabina PaglialungaSharon H JaycoxRafiqul IslamAngelo H ParedesNonalcoholic steatohepatitis (NASH) is a chronic liver disease that can lead to cirrhosis, liver transplant, and even hepatocellular carcinoma. While liver biopsy remains the reference standard for disease diagnosis, analytical and clinical development of non-invasive soluble biomarkers of NASH are of great importance to advance the field. To this end, we performed analytical and clinical validation on a series of pro-inflammatory cytokines and chemokines implicated hepatic inflammation; IL-6, CRP, TNFα, MCP-1, MIP-1β, eotaxin, VCAM-1. Biomarker assays were validated for accuracy and precision. Clinical performance was evaluated in a random sample of 52 patients with biopsy-proven NAFLD/NASH. Patients were categorized into three groups according to their fibrosis stage; advanced (F3-F4), mild (F1-2) and no (F0) fibrosis. Serum IL-6 was increased in patients with advanced fibrosis (2.71 pg/mL; 1.26 pg/mL; 1.39 pg/mL p<0.01) compared to patients with mild or no fibrosis respectively. While, there was no significant difference noted in CRP, TNFα, MCP-1, MIP-1β, eotaxin among the three groups, VCAM-1 levels were increased by 55% (p<0.01) and 40% (p<0.05) in the advanced cohort compared to the mild and no fibrosis groups respectively. VCAM-1 also displayed good clinical performance as a biomarker of advanced fibrosis with an area under the receiver operating curve of 0.87. The VCAM-1 assay demonstrated robust accuracy and precision, and VCAM-1 outperformed IL-6, CRP, TNFα, and the chemokines MCP-1, MIP-1β, and eotaxin as a biomarker of advanced fibrosis in NASH. Addition of biomarkers such as IL-6 and VCAM-1 to panels may yield increased sensitivity and specificity for staging of NASH.https://doi.org/10.1371/journal.pone.0217263
spellingShingle Sumit Kar
Sabina Paglialunga
Sharon H Jaycox
Rafiqul Islam
Angelo H Paredes
Assay validation and clinical performance of chronic inflammatory and chemokine biomarkers of NASH fibrosis.
PLoS ONE
title Assay validation and clinical performance of chronic inflammatory and chemokine biomarkers of NASH fibrosis.
title_full Assay validation and clinical performance of chronic inflammatory and chemokine biomarkers of NASH fibrosis.
title_fullStr Assay validation and clinical performance of chronic inflammatory and chemokine biomarkers of NASH fibrosis.
title_full_unstemmed Assay validation and clinical performance of chronic inflammatory and chemokine biomarkers of NASH fibrosis.
title_short Assay validation and clinical performance of chronic inflammatory and chemokine biomarkers of NASH fibrosis.
title_sort assay validation and clinical performance of chronic inflammatory and chemokine biomarkers of nash fibrosis
url https://doi.org/10.1371/journal.pone.0217263
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