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Special Issue "Metabolic Associated Fatty Liver Disease: A New Definition"

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Molecular Endocrinology and Metabolism".

Deadline for manuscript submissions: 30 November 2021.

Special Issue Editor

Dr. Yoshio Sumida
E-Mail Website1 Website2
Guest Editor
1. Department of Hepatology and Pancreatology, Aichi Medical University of Medicine, Nagakute, Aichi, Japan;
2. Japan Strategic Medical Administration Research Center (J-SMARC), Nagoya, Aichi, Japan
Interests: Interests: nonalcoholic steatohepatitis; oxidative stress; hepatic fibrosis; diabetes mellitus; liver cirrhosis; hepatocellular carcinoma

Special Issue Information

Dear Colleagues,

Worldwide, 25% of the adult population suffers from nonalcoholic fatty liver disease (NAFLD). Until now, the exclusion of other chronic liver diseases including "excess" alcohol intake has been necessary to establish a diagnosis of NAFLD. Recently, a consensus of international experts proposed that the disease acronym be changed from NAFLD to metabolic (dysfunction)-associated fatty liver disease (MAFLD). The diagnostic criteria of MAFLD are based on evidence of hepatic steatosis, in addition to one of the following three criteria, namely overweight/obesity, presence of type 2 diabetes, or evidence of metabolic dysregulation. MAFLD is a novel concept proposed in 2020, the utility of which has not been tested and validated in the real world. MAFLD can coexist with other liver diseases. Therefore, MAFLD plus a hepatitis B virus (HBV) inactive carrier, MAFLD plus alcoholic liver disease (ALD), MAFLD plus autoimmune hepatitis (AIH), or MAFLD plus drug-induced liver injury (DILI) are plausible as a final diagnosis in clinical practice. MAFLD definition is more practical for identifying patients with fatty liver disease with a high risk of disease progression. This Special Issue will include papers investigating the pathological mechanisms, diagnostics using new biomarkers, and treatment strategies in MAFLD. Furthermore, experimental in vitro and in vivo studies examining potential new approaches to attenuate MAFLD are welcome. This Special Issue welcomes original research and review papers regarding MAFLD.

Dr. Yoshio Sumida
Guest Editor

Manuscript Submission Information

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Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. International Journal of Molecular Sciences is an international peer-reviewed open access semimonthly journal published by MDPI.

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Keywords

  • • Nonalcoholic fatty liver disease
  • • Metabolism-associated fatty liver disease
  • • Hepatocellular carcinoma
  • • Type 2 diabetes
  • • Hepatic fibrosis
  • • Liver cirrhosis
  • • PNPLA3
  • • Obesity
  • • Metabolic syndrome

Published Papers (1 paper)

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Review

Review
Role of Insulin Resistance in MAFLD
Int. J. Mol. Sci. 2021, 22(8), 4156; https://0-doi-org.brum.beds.ac.uk/10.3390/ijms22084156 - 16 Apr 2021
Viewed by 1319
Abstract
Many studies have reported that metabolic dysfunction is closely involved in the complex mechanism underlying the development of non-alcoholic fatty liver disease (NAFLD), which has prompted a movement to consider renaming NAFLD as metabolic dysfunction-associated fatty liver disease (MAFLD). Metabolic dysfunction in this [...] Read more.
Many studies have reported that metabolic dysfunction is closely involved in the complex mechanism underlying the development of non-alcoholic fatty liver disease (NAFLD), which has prompted a movement to consider renaming NAFLD as metabolic dysfunction-associated fatty liver disease (MAFLD). Metabolic dysfunction in this context encompasses obesity, type 2 diabetes mellitus, hypertension, dyslipidemia, and metabolic syndrome, with insulin resistance as the common underlying pathophysiology. Imbalance between energy intake and expenditure results in insulin resistance in various tissues and alteration of the gut microbiota, resulting in fat accumulation in the liver. The role of genetics has also been revealed in hepatic fat accumulation and fibrosis. In the process of fat accumulation in the liver, intracellular damage as well as hepatic insulin resistance further potentiates inflammation, fibrosis, and carcinogenesis. Increased lipogenic substrate supply from other tissues, hepatic zonation of Irs1, and other factors, including ER stress, play crucial roles in increased hepatic de novo lipogenesis in MAFLD with hepatic insulin resistance. Herein, we provide an overview of the factors contributing to and the role of systemic and local insulin resistance in the development and progression of MAFLD. Full article
(This article belongs to the Special Issue Metabolic Associated Fatty Liver Disease: A New Definition)
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