Salivary microbiome and serum metabolomics add to clinical biomarkers to predict 6-month hospitalizations in a multi-center cirrhosis outpatient cohort
Jasmohan S. Bajaj, K Rajender Reddy, Puneeta Tandon, Jennifer C. Lai, Jacqueline G. O’Leary, Florence Wong, Guadalupe Garcia-Tsao, Hugo E. Vargas, Patrick S. Kamath, Scott W. Biggins, Phillip Vutien, Jawaid Shaw, Ana Teresa Limon Miro, Chinmay Bera, Joseph P. McGinley, Masoumeh Sikaroodi, Brian J. Bush, Leroy R. Thacker, Patrick M. Gillevet
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引用次数: 0
Abstract
Background & Aims: Prognosticating outcomes such as hospitalizations in cirrhosis outpatients is challenging, especially with changing etiologies and demographics. Aim: Determine impact of multi-omic strategies on outcome prediction. Approach & Results: NACSELD3 enrolls cirrhosis outpatients with controlled/eradicated etiologies from 10 centers and follows them systematically. At baseline, clinical/demographic and cirrhosis details were recorded and saliva and serum samples were collected for microbiome and metabolome analysis respectively. Multi-omic bioinformatic studies to determine interaction of microbiota and metabolites with clinical prediction of 6-month hospitalizations were performed. 565 patients (60.2 years, 68% men, 35% alcohol, 33% MASH, 21%, eradicated HCV with MELD3.0 12) were enrolled. 163 (29%) required 6-month hospitalizations; most (75%) were liver-related. Those hospitalized had worse cirrhosis severity, co-morbidity indices, but similar demographics and oral health variables. Salivary microbiome alpha-diversity was lower (1.96±0.48 vs. 2.09±0.45, p=0.018) with greater pathobionts (Streptococcus, Treponema, Enterococcaceae) and lower commensal genera (Veillonella, Prevotella, Haemophilus, Lachnospiraceae spp) at baseline. Serum metabolomics showed significant separation at baseline between hospitalized/not patients using supervised analyses with microbial-origin (phenyllactate, secondary bile acids, indoles), choline moieties, and polyamine/GABA (3-ureidopropionate/spermidine) metabolites being most prominent. Area-under-the curve using random forest for clinical, microbial, and metabolomic variables were higher than that of these individually. Latent factor analysis showed clinical variables (MELD3.0, hemoglobin and albumin) with the greatest impact followed by salivary microbiota and then serum microbiome for hospitalization prediction. Conclusion: In a multi-center North American outpatient cirrhosis cohort with controlled etiologies, serum metabolomics and salivary microbiome add to clinical variables to prognosticate 6-month hospitalization.
期刊介绍:
HEPATOLOGY is recognized as the leading publication in the field of liver disease. It features original, peer-reviewed articles covering various aspects of liver structure, function, and disease. The journal's distinguished Editorial Board carefully selects the best articles each month, focusing on topics including immunology, chronic hepatitis, viral hepatitis, cirrhosis, genetic and metabolic liver diseases, liver cancer, and drug metabolism.