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Featured MASLD/MASH Educators

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Elizabeth Alqueza

PA-C

Elizabeth Alqueza, PA-C is a board certified Physician Associate at Beth Israel Deaconess Medical Center (BIDMC) in Boston, Massachusetts. She graduated from the University of Florida in 2004 with a Master of Physician Assistant Studies degree and subsequently completed the AASLD NP/PA Clinical Hepatology Fellowship. Elizabeth has worked in a variety of inpatient and outpatient settings with a strong commitment to patient care. Currently working at BIDMC Liver Center, Elizabeth has 5 years of dedicated experience in Hepatology. Her practice focuses primarily on steatotic liver disease, including Metabolic Dysfunction-Associated Steatotic Liver Disease (MASLD) and Metabolic Dysfunction-Associated Steatohepatitis (MASH). Elizabeth is an active member of Gastroenterology and Hepatology Advanced Practice Providers.

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Michelle Barnett

PA-C, MPAS, DFAAPA

Michelle Barnett is a highly experienced physician assistant specializing in patient-focused and evidence-based hepatology at Peak Gastroenterology Associates in Colorado Springs, Colorado. The most rewarding part of her position includes educating patients and collaborating with other GI advanced practice providers to enhance care for the growing MASLD/MASH population. She is now a subinvestigtor for hepatology clinical trials with Peak in Colorado Springs. With over 30 years in the GI and liver communities, she has held leadership roles, including serving as President of the Colorado Academy of Physician Assistants (CAPA) and receiving CAPA's Physician Assistant of the Year award. She is a national speaker and has given lectures for the AAPA, GHAPP and AANP. A graduate of Wichita State University and the University of Nebraska, Michelle has been recognized with the DFAAPA distinction and honors such as the Crohn’s and Colitis Foundation's IBD internship and the International Foundation for Gastrointestinal Disorders Ally Award. Passionate about holistic care, she incorporates lifestyle strategies like nutrition, yoga, and meditation into her practice. Outside of work, Michelle enjoys hiking, travel, musical theater, and supporting her favorite Colorado sports teams.

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Sherona Bau

NP

Sherona Bau graduated from University of California, Los Angeles in 2008, with Master of Science in Nursing dual program specialized in Acute Care Nurse Practitioner and Clinical Nurse Specialist. In 2010, she has joined UCLA Pfleger Liver Institute and Asian Liver Cancer Center working as an outpatient Nurse Practitioner specializing in liver diseases including viral hepatitis, hepatobiliary diseases, alcohol related liver diseases, Metabolic Dysfunction-Associated Steatotic Liver Disease/Steatohepatitis, autoimmune liver diseases, and hepatocellular carcinoma. Since 2016, she has been a guest lecturer at UCLA School of Nursing for Master Entry Clinical Nurse (MECN) and MSN Adult/Gero Acute Care program. She is also a preceptor for Adult/Gero Acute Care Program. She participated in Hepatitis C Screening in the Community Churches to promote awareness of hepatitis C and the importance of treatment of hepatitis C. She also participates in Patient Symposium at UCLA to give a lecture to update care of the liver transplant patients. She is also a faculty of Gastroenterology Hepatology Advanced Practice Provider (GHAPP) since 2018 and a speaker for both GHAPP National meeting and Regional GHAPP in Los Angeles. Since 2013, she has published total 14 research papers and case report including the most recent three are Recommendations for the Management of MASH by Advanced Practice Providers in the US, Clinicians and Patients Confront Practical Issues in Wilson Disease, and Overview of chronic Hepatitis B management.

MASLD/MASH Learning Center

Latest News & Blogs

Evaluation of a novel albumin platelet product (APP) fibrosis index and three non-invasive fibrosis indices in metabolic dysfunction-associated steatotic liver disease

November 2025

CONCLUSION: APP outperformed FIB4 in detecting cirrhosis or advanced fibrosis among patients with DM and was comparable in non-DM patients. Revised FIB-4 thresholds may be needed in MASLD/MASH patients with DM to improve its diagnostic accuracy.

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Inhibiting peripheral serotonin activates liver AMPK and reduces monocyte-derived macrophages and fibrosis

November 2025

Monocyte-derived liver macrophages are critical in the pathogenesis of metabolic dysfunction-associated steatohepatitis (MASH) and liver fibrosis, but their recruitment mechanisms remain unclear. Serotonin (5-hydroxytryptamine [5HT]) is a conserved monoamine synthesized by tryptophan hydroxylase 1 (Tph1) in peripheral tissues and Tph2 in the brain. We show that, in mice housed at thermoneutrality and fed a high-fat, high-fructose diet, inhibition of peripheral serotonin (pe5HT) through genetic...

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Tetrahedral Framework Nucleic Acid-Based Delivery of miR-34a Inhibitor for the Treatment of Metabolic Dysfunction-Associated Steatohepatitis

November 2025

Metabolic dysfunction-associated steatohepatitis (MASH), a metabolic liver disorder with severe complications, features hepatic inflammation and oxidative stress. MiR-34a dysregulation is a critical contributor to MASH progression, making it a promising therapeutic target. However, clinical translation of miR-34a-targeted interventions remains limited by poor stability and cellular uptake. Here, we developed a miRNA-binding tetrahedral framework nucleic acids (TDN)-based system, termed Tm to...

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Clinical trial: A Phase 2 Randomised Platform Study to Assess Monotherapy and Combination Treatment Regimens in Metabolic Dysfunction-Associated Steatohepatitis

November 2025

CONCLUSIONS: LYS006 20 mg bid monotherapy and LYS006 20 mg bid+tropifexor 200 μg qd therapy were well tolerated with the exception of a high frequency of pruritus in the combination arm, consistent with the now known pharmacologic effect of farnesoid X receptor agonists. The greater reductions in ALT and liver fat in the combination arm versus monotherapy arm were similar to those observed with tropifexor as monotherapy in a previously reported phase 2 clinical trial, and clear additional...

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Novel Aurone Derivative Ameliorates MASH Lipid Metabolism via the AMPK-ACC-PPARalpha Axis

November 2025

Metabolic dysfunction-associated steatohepatitis (MASH), a progressive form of metabolic dysfunction-associated fatty liver disease (MASLD), is characterized by disrupted lipid metabolism and persistent inflammation, which can lead to cirrhosis and hepatocellular carcinoma. The novel pan-peroxisome proliferator-activated receptor (PPAR) agonist 1d has been previously shown to alleviate insulin resistance and hepatic steatosis in type 2 diabetic (T2DM) mice; however, its mechanism of action...

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Farnesoid X Receptor Agonist INT-787 Inhibits Hepatic Mitochondrial Dysfunction in a Diet-Induced ob/ob Mouse Model of MASH

November 2025

This study evaluated the protective role of farnesoid-X-receptor (FXR) agonist INT-787 in the control of mitochondrial changes using a metabolic dysfunction-associated steatohepatitis (MASH) model. Lep-ob/ob mice were fed a control diet (CD) for 21 weeks (wks), or a high-fat diet (HFD) for 9 or 21 wks; in the 21 wk HFD groups, INT-787 (30 mg/kg/day) dosed via HFD admixture was added. The hepatic ATP, ROS, GSH and MIC19, which stabilizes the structure of inner mitochondrial membrane (IMM), were...

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Low-Abundance Proteomics Reveal Pleiotrophin and Fibroblast Growth Factor-21 as Biomarkers of Metabolic Dysfunction-Associated Steatohepatitis

November 2025

Metabolic dysfunction-associated steatotic liver disease (MASLD) is closely linked to comorbidities like obesity, type 2 diabetes, and cardiovascular disease. Given that liver biopsy is the diagnostic gold standard, there is a critical need for minimally invasive tests, particularly for the inflammatory form, metabolic dysfunction-associated steatohepatitis (MASH). In this discovery study, we investigated the plasma proteome to identify blood biomarkers for MASH and explored their potential...

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Improvement of Liver Fibrosis in Patients with MASLD Undergoing Pioglitazone Treatment: An Update

November 2025

Metabolic dysfunction-associated steatotic liver disease (MASLD) is defined as steatotic liver disease with at least one cardiometabolic risk factor, in the absence of harmful alcohol intake, and includes a spectrum of conditions. These range from isolated liver steatosis to metabolic dysfunction-associated steatohepatitis (MASH), fibrosis, cirrhosis, and MASH-related hepatocellular carcinoma. Patients with MASLD and type 2 diabetes are at increased risk of developing MASH and...

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Plasma Extracellular Vesicles Contain Protein Biomarkers for Capturing Stages of Metabolic Dysfunction-Associated Steatotic Liver Disease: A Preliminary Exploratory Study

November 2025

Metabolic dysfunction-associated steatotic liver disease (MASLD) is increasing in both prevalence and severity, highlighting the need for non-invasive biomarkers to assess disease activity. Extracellular vesicles (EVs), which carry molecular cargo from their cells of origin, hold promise as accessible biomarkers. We performed proteomic profiling of plasma-derived EVs from 70 patients with MASLD to identify protein signatures associated with key histological features (steatosis, metabolic...

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Ginsenoside Rg2 ameliorates metabolic dysfunction-related steatohepatitis via the Nrf2 pathway by suppressing inflammation, apoptosis, oxidative stress and fibrosis

November 2025

CONCLUSION: This study is the first to confirm that G-Rg2 binds to and regulates Nrf2, and further illustrates that it alleviates MASH by activating the NRF2 signaling pathway to inhibit inflammation, cell apoptosis, oxidative stress, and fibrosis. This establishes a conceptual foundation for the future use of G-Rg2 in MASH treatment and supports the development of natural product-based therapeutic strategies derived from dietary sources.

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Aberrant lipid metabolism renders an aggressive behavior of T-lymphoblastic lymphoma in a MASH model

November 2025

Liver involvement of lymphomas is not rare in clinical patients. Metabolic dysfunction-associated steatohepatitis (MASH, formerly known as nonalcoholic steatohepatitis) is well accepted as a potential precursor for liver cancer, but it is unknown whether MASH could promote extranodal infiltration of lymphoma. In this study, the subpopulation of tumor-initiating cells and Wnt signaling pathway activation were studied in T-lymphoblastic lymphoma cells. Tumor growth, Wnt/β-catenin signaling, and...

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Intracellular IL-24 ameliorates lipid metabolic disorders in metabolic dysfunction-associated steatohepatitis by restoring the autophagy-lysosome pathway

November 2025

CONCLUSION: IL-24 preferentially utilizes the IL-22R1/IL-20R2 receptor complex to modulate the AMPK/mTOR/TFEB axis, thereby inducing autophagic-lysosomal activation, regulating glucose and lipid metabolism, and ameliorating hepatic lipid accumulation in MASH. These findings highlight IL-24 as a novel therapeutic target for MASH.

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The impact of semaglutide on liver outcomes in patients with or at risk of MASH: a dose and duration response meta-analysis of randomized trials

November 2025

CONCLUSION: Semaglutide represents a promising pharmacotherapeutic option for MASH, demonstrating significant improvements in histologic resolution, liver injury biomarkers, and metabolic parameters, particularly at higher doses and longer intervention durations, though its effect on fibrosis regression remains limited.

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Emerging Perspectives in the Diagnosis and Management of Metabolic Dysfunction-Associated Steatotic Liver Disease (MASLD): A Narrative Review

November 2025

Metabolic dysfunction-associated steatotic liver disease (MASLD, previously known as non-alcoholic fatty liver disease (NAFLD)) has emerged as the most prevalent chronic liver condition, affecting approximately 25% of the global population. The disease encompasses a spectrum ranging from simple steatosis to metabolic dysfunction-associated steatohepatitis (MASH, previously known as non-alcoholic fatty liver disease (NASH)), fibrosis, cirrhosis, and hepatocellular carcinoma (HCC). Despite its...

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Spatially resolved multi-omics of human metabolic dysfunction-associated steatotic liver disease

November 2025

Metabolic dysfunction-associated steatotic liver disease (MASLD) is a leading cause of chronic liver disease worldwide. We generated single-cell and spatial transcriptomic and metabolomic maps from 61 human livers, including controls (n = 10), metabolic dysfunction-associated steatotic liver (MASL) (n = 17) and metabolic dysfunction-associated steatohepatitis (MASH) (n = 34). We identified microphthalmia-associated transcription factor (MITF) as a key regulator of the lipid-handling capacity of...

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Impact of Model for End-stage Liver Disease 3.0 on Waitlist Outcomes of Metabolic Dysfunction-associated Steatohepatitis Cirrhosis Among Liver Transplant Candidates

November 2025

CONCLUSIONS: Although MELD 3.0 reclassifies a substantial proportion of patients with MASH-particularly women-it does not appear to increase transplant access despite higher predicted mortality risk. These findings highlight residual gaps in how MELD 3.0 captures clinical risk in MASH cirrhosis and underscore the need for prospective data following its implementation.

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Semaglutide from Bench to Bedside: The Experimental Journey Towards a Transformative Therapy for Diabetes, Obesity and Metabolic Liver Disorders

November 2025

CONCLUSIONS: The trajectory of semaglutide exemplifies how intentional peptide design, iterative translational research, and outcome-driven clinical trial design can lead to groundbreaking therapies for complex metabolic disorders.

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Involvement of Activin E depletion in metabolic dysfunction-associated steatohepatitis

November 2025

Activin E is a liver-derived hepatokine belonging to the transforming growth factor-β superfamily, and it promotes energy expenditure by activating brown and beige adipocytes. Activin E also possesses anti-lipolytic activity. When Activin E knockout (KO) mice are fed a high-fat diet, energy storage in adipose tissue is impaired, leading to ectopic fat accumulation in the liver. In this study, we investigated the involvement of Activin E depletion in metabolic dysfunction-associated...

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Tank-Binding Kinase 1 protects against MASH progression via mitochondrial quality control

November 2025

Mitochondrial dysfunction is a critical driver of metabolic dysfunction-associated steatotic liver disease (MASLD) progression to steatohepatitis (MASH), yet the mechanisms governing mitochondrial quality control in hepatocytes remain poorly defined. Here, we identify TANK-binding kinase 1 (TBK1) as an essential regulator of hepatic mitophagy and lysosomal activity. Using TBK1-deficient hepatocytes and liver-specific TBK1 knockout (LTKO) mice, we show that TBK1 loss leads to the accumulation of...

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MicroRNA-21 is a potential therapeutic agent targeting Tgfbi and mitigating high-fat-diet-induced liver disease and cancer

November 2025

Liver disease, including hepatocellular carcinoma (HCC), is a major global health concern, claiming approximately 2 million lives worldwide annually, yet curative treatments remain elusive. In this study, we aimed to investigate the role of microRNA-21-5p (miR-21) in metabolic-dysfunction-associated steatotic liver disease (MASLD), metabolic-associated steatohepatitis (MASH), and HCC within the context of a Western choline-deficient (CD) high-fat diet (HFD) and offer potential therapeutic...

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