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A liver secretome gene signature-based approach for determining circulating biomarkers of NAFLD severity. PLoS One 2022; 17:e0275901. [PMID: 36260611 PMCID: PMC9581378 DOI: 10.1371/journal.pone.0275901] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Accepted: 09/25/2022] [Indexed: 11/08/2022] Open
Abstract
Non-invasive biomarkers of non-alcoholic fatty liver disease (NAFLD) supporting diagnosis and monitoring disease progression are urgently needed. The present study aimed to establish a bioinformatics pipeline capable of defining and validating NAFLD biomarker candidates based on paired hepatic global gene expression and plasma bioanalysis from individuals representing different stages of histologically confirmed NAFLD (no/mild, moderate, more advanced NAFLD). Liver secretome gene signatures were generated in a patient cohort of 26 severely obese individuals with the majority having no or mild fibrosis. To this end, global gene expression changes were compared between individuals with no/mild NAFLD and moderate/advanced NAFLD with subsequent filtering for candidate gene products with liver-selective expression and secretion. Four candidate genes, including LPA (lipoprotein A), IGFBP-1 (insulin-like growth factor-binding protein 1), SERPINF2 (serpin family F member 2) and MAT1A (methionine adenosyltransferase 1A), were differentially expressed in moderate/advanced NAFLD, which was confirmed in three independent RNA sequencing datasets from large, publicly available NAFLD studies. The corresponding gene products were quantified in plasma samples but could not discriminate among different grades of NAFLD based on NAFLD activity score. Conclusion: We demonstrate a novel approach based on the liver transcriptome allowing for identification of secreted hepatic gene products as potential circulating diagnostic biomarkers of NAFLD. Using this approach in larger NAFLD patient cohorts may yield potential circulating biomarkers for NAFLD severity.
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Theel W, Boxma-de Klerk BM, Dirksmeier-Harinck F, van Rossum EFC, Kanhai DA, Apers J, van Dalen BM, de Knegt RJ, Holleboom AG, Tushuizen ME, Grobbee DE, Wiebolt J, Castro Cabezas M. Evaluation of nonalcoholic fatty liver disease (NAFLD) in severe obesity using noninvasive tests and imaging techniques. Obes Rev 2022; 23:e13481. [PMID: 35692179 DOI: 10.1111/obr.13481] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Revised: 05/25/2022] [Accepted: 05/26/2022] [Indexed: 12/15/2022]
Abstract
The prevalence of nonalcoholic fatty liver disease (NAFLD) and the more severe and inflammatory type, nonalcoholic steatohepatitis (NASH), is increasing rapidly. Especially in high-risk patients, that is those with obesity, metabolic syndrome, and type 2 diabetes mellitus, the prevalence of NAFLD can be as high as 80% while NASH may be present in 20% of these subjects. With the worldwide increase of obesity, it is most likely that these numbers will rise. Since advanced stages of NAFLD and NASH are strongly associated with morbidity and mortality-in particular, cardiovascular disease, liver cirrhosis, and hepatocellular carcinoma-it is of great importance to identify subjects at risk. A great variety of noninvasive tests has been published to diagnose NAFLD and NASH, especially using blood- and imaging-based tests. Liver biopsy remains the gold standard for NAFLD/NASH. This review aims to summarize the different mechanisms leading to NASH and liver fibrosis, the different noninvasive liver tests to diagnose and evaluate patients with severe obesity.
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Affiliation(s)
- Willy Theel
- Department of Internal Medicine, Franciscus Gasthuis & Vlietland, Rotterdam, The Netherlands.,Obesity Center CGG, Rotterdam, The Netherlands
| | - Bianca M Boxma-de Klerk
- Department of Statistics and Education, Franciscus Gasthuis & Vlietland, Rotterdam, The Netherlands
| | - Femme Dirksmeier-Harinck
- Department of Gastroenterology and Hepatology, Franciscus Gasthuis & Vlietland, Rotterdam, The Netherlands
| | - Elisabeth F C van Rossum
- Obesity Center CGG, Rotterdam, The Netherlands.,Department of Internal Medicine, Division of Endocrinology, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Danny A Kanhai
- Department of Pediatrics, Franciscus Gasthuis & Vlietland, Rotterdam, The Netherlands
| | - Jan Apers
- Department of Bariatric Surgery, Franciscus Gasthuis & Vlietland, Rotterdam, The Netherlands
| | - Bas M van Dalen
- Department of Cardiology, Franciscus Gasthuis & Vlietland, Rotterdam, The Netherlands
| | - Robert J de Knegt
- Department of Gastroenterology and Hepatology, Erasmus Medical Centre, Rotterdam, The Netherlands
| | | | - Maarten E Tushuizen
- Department of Gastroenterology and Hepatology, Leiden UMC, Leiden, The Netherlands
| | - Diederick E Grobbee
- Julius Centre for Health Science and Primary Care, University Medical Center Utrecht, Utrecht, The Netherlands.,Julius Clinical, Zeist, The Netherlands
| | - Janneke Wiebolt
- Department of Internal Medicine, Franciscus Gasthuis & Vlietland, Rotterdam, The Netherlands.,Obesity Center CGG, Rotterdam, The Netherlands
| | - Manuel Castro Cabezas
- Department of Internal Medicine, Franciscus Gasthuis & Vlietland, Rotterdam, The Netherlands.,Department of Internal Medicine, Division of Endocrinology, Erasmus University Medical Center, Rotterdam, The Netherlands.,Julius Clinical, Zeist, The Netherlands
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Garteiser P, Castera L, Coupaye M, Doblas S, Calabrese D, Dioguardi Burgio M, Ledoux S, Bedossa P, Esposito-Farèse M, Msika S, Van Beers BE, Jouët P. Prospective comparison of transient elastography, MRI and serum scores for grading steatosis and detecting non-alcoholic steatohepatitis in bariatric surgery candidates. JHEP Rep 2021; 3:100381. [PMID: 34786549 PMCID: PMC8578045 DOI: 10.1016/j.jhepr.2021.100381] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/26/2020] [Revised: 08/27/2021] [Accepted: 09/17/2021] [Indexed: 12/15/2022] Open
Abstract
Background & Aims Tools for the non-invasive diagnosis of non-alcoholic steatohepatitis (NASH) in morbidly obese patients with suspected non-alcoholic fatty liver disease (NAFLD) are an unmet clinical need. We prospectively compared the performance of transient elastography, MRI, and 3 serum scores for the diagnosis of NAFLD, grading of steatosis and detection of NASH in bariatric surgery candidates. Methods Of 186 patients screened, 152 underwent liver biopsy, which was used as a reference for NAFLD (steatosis [S]>5%), steatosis grading and NASH diagnosis. Biopsies were read by a single expert pathologist. MRI-based proton density fat fraction (MRI-PDFF) was measured in an open-bore, vertical field 1.0T scanner and controlled attenuation parameter (CAP) was measured by transient elastography, using the XL probe. Serum scores (SteatoTest, hepatic steatosis index and fatty liver index) were also calculated. Results The applicability of MRI was better than that of FibroScan (98% vs. 79%; p <0.0001). CAP had AUROCs of 0.83, 0.79, 0.73 and 0.69 for S>5%, S>33%, S>66% and NASH, respectively. Transient elastography had an AUROC of 0.80 for significant fibrosis (F0-F1 vs. F2-F3). MRI-PDFF had AUROCs of 0.97, 0.95, 0.92 and 0.84 for S>5%, S>33%, S>66% and NASH, respectively. When compared head-to-head in the 97 patients with all valid tests available, MRI-PDFF outperformed CAP for grading steatosis (S>33%, AUROC 0.97 vs. 0.78; p <0.0003 and S>66%, AUROC 0.93 vs. 0.75; p = 0.0015) and diagnosing NASH (AUROC 0.82 vs. 0.68; p = 0.0056). When compared in "intention to diagnose" analysis, MRI-PDFF outperformed CAP, hepatic steatosis index and fatty liver index for grading steatosis (S>5%, S>33% and S>66%). Conclusion MRI-PDFF outperforms CAP for diagnosing NAFLD, grading steatosis and excluding NASH in morbidly obese patients undergoing bariatric surgery. Lay summary Non-invasive tests for detecting fatty liver and steatohepatitis, the active form of the disease, have not been well studied in obese patients who are candidates for bariatric surgery. The most popular tests for this purpose are Fibroscan, which can be used to measure the controlled attenuation parameter (CAP), and magnetic resonance imaging, which can be used to measure the proton density fat fraction (MRI-PDFF). We found that, when taking liver biopsy as a reference, MRI-PDFF performed better than CAP for detecting and grading fatty liver as well as excluding steatohepatitis in morbidly obese patients undergoing bariatric surgery.
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Key Words
- AUROC, area under the receiver operating characteristic curve
- CAP
- CAP, controlled attenuation parameter
- FLI, fatty liver index
- FLIP, fatty liver inhibition of progression
- HSI, hepatic steatosis index
- LSM, liver stiffness measurement
- MRI-PDFF
- MRI-PDFF, MRI-proton density fat fraction
- NAFLD
- NAFLD, non-alcoholic fatty liver disease
- NAS, NAFLD activity score
- NASH
- NASH, non-alcoholic steatohepatitis
- NPV, negative predictive value
- Non-invasive diagnosis
- PPV, positive predictive value
- ST, SteatoTest
- Se, sensitivity
- Sp, specificity
- TE, transient elastography
- bariatric surgery
- steatosis
- transient elastography
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Affiliation(s)
- Philippe Garteiser
- Centre de recherche sur l'Inflammation, Inserm U1149, Université de Paris, F-75018 Paris, France
| | - Laurent Castera
- Centre de recherche sur l'Inflammation, Inserm U1149, Université de Paris, F-75018 Paris, France.,Service d'Hépatologie, Hôpital Beaujon, Assistance Publique-Hôpitaux de Paris, F-92110 Clichy, France
| | - Muriel Coupaye
- Centre de recherche sur l'Inflammation, Inserm U1149, Université de Paris, F-75018 Paris, France.,Service des Explorations Fonctionnelles, Centre Intégré Nord Francilien de l'Obésité (CINFO), Hôpital Louis Mourier, Assistance Publique-Hôpitaux de Paris, F-92700 Colombes, France
| | - Sabrina Doblas
- Centre de recherche sur l'Inflammation, Inserm U1149, Université de Paris, F-75018 Paris, France
| | - Daniela Calabrese
- Centre de recherche sur l'Inflammation, Inserm U1149, Université de Paris, F-75018 Paris, France.,Service de chirurgie digestive, Centre Intégré Nord Francilien de l'Obésité (CINFO), Hôpital Bichat-Claude Bernard, Assistance Publique-Hôpitaux de Paris, F-75018 Paris, France
| | - Marco Dioguardi Burgio
- Centre de recherche sur l'Inflammation, Inserm U1149, Université de Paris, F-75018 Paris, France.,Service de Radiologie, Hôpital Beaujon, Assistance Publique-Hôpitaux de Paris, F-92110 Clichy, France
| | - Séverine Ledoux
- Centre de recherche sur l'Inflammation, Inserm U1149, Université de Paris, F-75018 Paris, France.,Service des Explorations Fonctionnelles, Centre Intégré Nord Francilien de l'Obésité (CINFO), Hôpital Louis Mourier, Assistance Publique-Hôpitaux de Paris, F-92700 Colombes, France
| | - Pierre Bedossa
- Centre de recherche sur l'Inflammation, Inserm U1149, Université de Paris, F-75018 Paris, France.,Service de Pathologie, Hôpital Beaujon, Assistance Publique-Hôpitaux de Paris, F-92110 Clichy, France
| | - Marina Esposito-Farèse
- Unité de Recherche Clinique, Hôpital Bichat, AP-HP.Nord - Université de Paris, Assistance Publique-Hôpitaux de Paris, Paris, F-75018, France.,INSERM CIC-EC 1425, Centre d'Investigation Clinique, Hôpital Bichat, Assistance Publique-Hôpitaux de Paris, Paris, F-75018, France
| | - Simon Msika
- Centre de recherche sur l'Inflammation, Inserm U1149, Université de Paris, F-75018 Paris, France.,Service de chirurgie digestive, Centre Intégré Nord Francilien de l'Obésité (CINFO), Hôpital Bichat-Claude Bernard, Assistance Publique-Hôpitaux de Paris, F-75018 Paris, France
| | - Bernard E Van Beers
- Centre de recherche sur l'Inflammation, Inserm U1149, Université de Paris, F-75018 Paris, France.,Service de Radiologie, Hôpital Beaujon, Assistance Publique-Hôpitaux de Paris, F-92110 Clichy, France
| | - Pauline Jouët
- Service de Gastroentérologie, Hôpital Avicenne, Assistance Publique-Hôpitaux de Paris, F-93000 Bobigny, France
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Puthenpura MM, Patel V, Fam J, Katz L, Tichansky DS, Myers S. The Use of Transient Elastography Technology in the Bariatric Patient: a Review of the Literature. Obes Surg 2020; 30:5108-5116. [PMID: 32981002 DOI: 10.1007/s11695-020-05002-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2020] [Revised: 09/17/2020] [Accepted: 09/22/2020] [Indexed: 12/17/2022]
Abstract
Transient elastography (TE) is a non-invasive technology that demonstrates promise in assessing liver steatosis and fibrosis without the risks of traditional percutaneous liver biopsy. Many studies have examined its reliability in respect to liver biopsy, but fewer have examined using TE in obese and bariatric surgery patients. With evidence showing that bariatric surgery can lead to improvement of liver steatosis and fibrosis, TE has the potential to provide a simple avenue of hepatic assessment in patients before and after procedures. This review article investigates what is known about the reliability of TE and its implementation in obese and bariatric surgery patients.
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Affiliation(s)
- Max M Puthenpura
- Department of Surgery, Drexel University College of Medicine, 2900 W Queen Lane, Philadelphia, PA, 19129, USA.
| | - Vishal Patel
- The Center for Liver Disease, Tower Health Transplant Institute, 420 S 5th Ave, West Reading, PA, 19611, USA
| | - John Fam
- Department of Surgery, Drexel University College of Medicine, 2900 W Queen Lane, Philadelphia, PA, 19129, USA.,Tower Health Weight Loss Surgery and Wellness Center, 1220 Broadcasting Rd, Wyomissing, PA, 19610, USA
| | - Leon Katz
- Department of Surgery, Drexel University College of Medicine, 2900 W Queen Lane, Philadelphia, PA, 19129, USA.,Tower Health Weight Loss Surgery and Wellness Center, 1220 Broadcasting Rd, Wyomissing, PA, 19610, USA
| | - David S Tichansky
- Department of Surgery, Drexel University College of Medicine, 2900 W Queen Lane, Philadelphia, PA, 19129, USA.,Tower Health Weight Loss Surgery and Wellness Center, 1220 Broadcasting Rd, Wyomissing, PA, 19610, USA
| | - Stephan Myers
- Department of Surgery, Drexel University College of Medicine, 2900 W Queen Lane, Philadelphia, PA, 19129, USA.,Tower Health Weight Loss Surgery and Wellness Center, 1220 Broadcasting Rd, Wyomissing, PA, 19610, USA
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