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Fu Y, Wang Z, Qin H. Examining the Pathogenesis of MAFLD and the Medicinal Properties of Natural Products from a Metabolic Perspective. Metabolites 2024; 14:218. [PMID: 38668346 PMCID: PMC11052500 DOI: 10.3390/metabo14040218] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2024] [Revised: 04/06/2024] [Accepted: 04/08/2024] [Indexed: 04/28/2024] Open
Abstract
Metabolic-associated fatty liver disease (MAFLD), characterized primarily by hepatic steatosis, has become the most prevalent liver disease worldwide, affecting approximately two-fifths of the global population. The pathogenesis of MAFLD is extremely complex, and to date, there are no approved therapeutic drugs for clinical use. Considerable evidence indicates that various metabolic disorders play a pivotal role in the progression of MAFLD, including lipids, carbohydrates, amino acids, and micronutrients. In recent years, the medicinal properties of natural products have attracted widespread attention, and numerous studies have reported their efficacy in ameliorating metabolic disorders and subsequently alleviating MAFLD. This review aims to summarize the metabolic-associated pathological mechanisms of MAFLD, as well as the natural products that regulate metabolic pathways to alleviate MAFLD.
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Affiliation(s)
| | | | - Hong Qin
- Department of Nutrition and Food Hygiene, Xiangya School of Public Health, Central South University, Changsha 410006, China; (Y.F.); (Z.W.)
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Kim JE, Park S, Kwak C, Lee Y, Song D, Jung JW, Lee H, Shin E, Pinanga Y, Pyo K, Lee EH, Kim W, Kim S, Jun C, Yun J, Choi S, Rhee H, Liu K, Lee JW. Glucose-mediated mitochondrial reprogramming by cholesterol export at TM4SF5-enriched mitochondria-lysosome contact sites. Cancer Commun (Lond) 2024; 44:47-75. [PMID: 38133457 PMCID: PMC10794009 DOI: 10.1002/cac2.12510] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 11/25/2023] [Accepted: 12/06/2023] [Indexed: 12/23/2023] Open
Abstract
BACKGROUND Transmembrane 4 L six family member 5 (TM4SF5) translocates subcellularly and functions metabolically, although it is unclear how intracellular TM4SF5 translocation is linked to metabolic contexts. It is thus of interests to understand how the traffic dynamics of TM4SF5 to subcellular endosomal membranes are correlated to regulatory roles of metabolisms. METHODS Here, we explored the metabolic significance of TM4SF5 localization at mitochondria-lysosome contact sites (MLCSs), using in vitro cells and in vivo animal systems, via approaches by immunofluorescence, proximity labelling based proteomics analysis, organelle reconstitution etc. RESULTS: Upon extracellular glucose repletion following depletion, TM4SF5 became enriched at MLCSs via an interaction between mitochondrial FK506-binding protein 8 (FKBP8) and lysosomal TM4SF5. Proximity labeling showed molecular clustering of phospho-dynamic-related protein I (DRP1) and certain mitophagy receptors at TM4SF5-enriched MLCSs, leading to mitochondrial fission and autophagy. TM4SF5 bound NPC intracellular cholesterol transporter 1 (NPC1) and free cholesterol, and mediated export of lysosomal cholesterol to mitochondria, leading to impaired oxidative phosphorylation but intact tricarboxylic acid (TCA) cycle and β-oxidation. In mouse models, hepatocyte Tm4sf5 promoted mitophagy and cholesterol transport to mitochondria, both with positive relations to liver malignancy. CONCLUSIONS Our findings suggested that TM4SF5-enriched MLCSs regulate glucose catabolism by facilitating cholesterol export for mitochondrial reprogramming, presumably while hepatocellular carcinogenesis, recapitulating aspects for hepatocellular carcinoma metabolism with mitochondrial reprogramming to support biomolecule synthesis in addition to glycolytic energetics.
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Affiliation(s)
- Ji Eon Kim
- Department of PharmacyCollege of Pharmacy, Seoul National UniversitySeoulRepublic of Korea
- Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National UniversitySeoulRepublic of Korea
| | - So‐Young Park
- BK21 FOUR Community‐Based Intelligent Novel Drug Discovery Education Unit, College of Pharmacy and Research Institute of Pharmaceutical Sciences, Kyungpook National UniversityDaeguRepublic of Korea
| | - Chulhwan Kwak
- Department of ChemistrySeoul National UniversitySeoulRepublic of Korea
| | - Yoonji Lee
- College of Pharmacy, Chung‐Ang UniversitySeoulRepublic of Korea
| | - Dae‐Geun Song
- Natural Product Informatics Research Center, Korea Institute of Science and Technology (KIST)Gangneung‐siGangwon‐doRepublic of Korea
| | - Jae Woo Jung
- Department of PharmacyCollege of Pharmacy, Seoul National UniversitySeoulRepublic of Korea
| | - Haesong Lee
- Department of PharmacyCollege of Pharmacy, Seoul National UniversitySeoulRepublic of Korea
| | - Eun‐Ae Shin
- Department of PharmacyCollege of Pharmacy, Seoul National UniversitySeoulRepublic of Korea
| | - Yangie Pinanga
- Department of PharmacyCollege of Pharmacy, Seoul National UniversitySeoulRepublic of Korea
| | - Kyung‐hee Pyo
- Department of PharmacyCollege of Pharmacy, Seoul National UniversitySeoulRepublic of Korea
| | - Eun Hae Lee
- Department of PharmacyCollege of Pharmacy, Seoul National UniversitySeoulRepublic of Korea
| | - Wonsik Kim
- Department of PharmacyCollege of Pharmacy, Seoul National UniversitySeoulRepublic of Korea
| | - Soyeon Kim
- Department of PharmacyCollege of Pharmacy, Seoul National UniversitySeoulRepublic of Korea
| | - Chang‐Duck Jun
- School of Life Sciences, Gwangju Institute of Science and Technology (GIST)GwangjuRepublic of Korea
| | - Jeanho Yun
- Department of BiochemistryCollege of Medicine, Dong‐A UniversityBusanRepublic of Korea
| | - Sun Choi
- Global AI Drug Discovery Center, College of Pharmacy and Graduate School of Pharmaceutical Sciences, Ewha Womans UniversitySeoulRepublic of Korea
| | - Hyun‐Woo Rhee
- Department of ChemistrySeoul National UniversitySeoulRepublic of Korea
| | - Kwang‐Hyeon Liu
- BK21 FOUR Community‐Based Intelligent Novel Drug Discovery Education Unit, College of Pharmacy and Research Institute of Pharmaceutical Sciences, Kyungpook National UniversityDaeguRepublic of Korea
| | - Jung Weon Lee
- Department of PharmacyCollege of Pharmacy, Seoul National UniversitySeoulRepublic of Korea
- Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National UniversitySeoulRepublic of Korea
- Interdisciplinary Program in Genetic Engineering, Seoul National UniversitySeoulRepublic of Korea
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Pinanga YD, Lee HA, Shin EA, Lee H, Pyo KH, Kim JE, Lee EH, Kim W, Kim S, Kim HY, Lee JW. TM4SF5-mediated abnormal food-intake behavior and apelin expression facilitate non-alcoholic fatty liver disease features. iScience 2023; 26:107625. [PMID: 37670786 PMCID: PMC10475478 DOI: 10.1016/j.isci.2023.107625] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Revised: 07/10/2023] [Accepted: 08/09/2023] [Indexed: 09/07/2023] Open
Abstract
Transmembrane 4 L six family member 5 (TM4SF5) engages in non-alcoholic steatohepatitis (NASH), although its mechanistic roles are unclear. Genetically engineered Tm4sf5 mice fed ad libitum normal chow or high-fat diet for either an entire day or a daytime-feeding (DF) pattern were analyzed for metabolic parameters. Compared to wild-type and Tm4sf5-/- knockout mice, hepatocyte-specific TM4SF5-overexpressing Alb-TGTm4sf5-Flag (TG) mice showed abnormal food-intake behavior during the mouse-inactive daytime, increased apelin expression, increased food intake, and higher levels of NASH features. DF or exogenous apelin injection of TG mice caused severe hepatic pathology. TM4SF5-mediated abnormal food intake was correlated with peroxisomal β-oxidation, mTOR activation, and autophagy inhibition, with triggering NASH phenotypes. Non-alcoholic fatty liver disease (NAFLD) patients' samples revealed a correlation between serum apelin and NAFLD activity score. Altogether, these observations suggest that hepatic TM4SF5 may cause abnormal food-intake behaviors to trigger steatohepatitic features via the regulation of peroxisomal β-oxidation, mTOR, and autophagy.
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Affiliation(s)
- Yangie Dwi Pinanga
- Department of Pharmacy, College of Pharmacy, Seoul National University, Seoul 08826, Republic of Korea
| | - Han Ah Lee
- Department of Internal Medicine, Ewha Womans University College of Medicine, Division of Gastroenterology and Hepatology, Ewha Womans University Mokdong Hospital, Seoul 07985, Republic of Korea
| | - Eun-Ae Shin
- Department of Pharmacy, College of Pharmacy, Seoul National University, Seoul 08826, Republic of Korea
| | - Haesong Lee
- Department of Pharmacy, College of Pharmacy, Seoul National University, Seoul 08826, Republic of Korea
| | - Kyung-hee Pyo
- Department of Pharmacy, College of Pharmacy, Seoul National University, Seoul 08826, Republic of Korea
| | - Ji Eon Kim
- Department of Pharmacy, College of Pharmacy, Seoul National University, Seoul 08826, Republic of Korea
- Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul 08826, Republic of Korea
| | - Eun Hae Lee
- Department of Pharmacy, College of Pharmacy, Seoul National University, Seoul 08826, Republic of Korea
| | - Wonsik Kim
- Department of Pharmacy, College of Pharmacy, Seoul National University, Seoul 08826, Republic of Korea
| | - Soyeon Kim
- Department of Pharmacy, College of Pharmacy, Seoul National University, Seoul 08826, Republic of Korea
| | - Hwi Young Kim
- Department of Internal Medicine, Ewha Womans University College of Medicine, Division of Gastroenterology and Hepatology, Ewha Womans University Mokdong Hospital, Seoul 07985, Republic of Korea
| | - Jung Weon Lee
- Department of Pharmacy, College of Pharmacy, Seoul National University, Seoul 08826, Republic of Korea
- Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul 08826, Republic of Korea
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Systemic TM4SF5 overexpression in Apc Min/+ mice promotes hepatic portal hypertension associated with fibrosis. BMB Rep 2022; 55:609-614. [PMID: 36104259 PMCID: PMC9813423] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Indexed: 12/29/2022] Open
Abstract
Mutation of the gene for adenomatous polyposis coli (APC), as seen in ApcMin/+ mice, leads to intestinal adenomas and carcinomas via stabilization of β-catenin. Transmembrane 4 L six family member 5 (TM4SF5) is involved in the development of non-alcoholic fatty liver disease, fibrosis, and cancer. However, the functional linkage between TM4SF5 and APC or β-catenin has not been investigated for pathological outcomes. After interbreeding ApcMin/+ with TM4SF5-overexpressing transgenic (TgTM4SF5) mice, we explored pathological outcomes in the intestines and livers of the offspring. The intestines of 26-week-old dual-transgenic mice (ApcMin/+:TgTM4SF5) had intramucosal adenocarcinomas beyond the single-crypt adenomas in ApcMin/+ mice. Additional TM4SF5 overexpression increased the stabilization of β-catenin via reduced glycogen synthase kinase 3β (GSK3β) phosphorylation on Ser9. Additionally, the livers of the dualtransgenic mice showed distinct sinusoidal dilatation and features of hepatic portal hypertension associated with fibrosis, more than did the relatively normal livers in ApcMin/+ mice. Interestingly, TM4SF5 overexpression in the liver was positively linked to increased GSK3β phosphorylation (opposite to that seen in the colon), β-catenin level, and extracellular matrix (ECM) protein expression, indicating fibrotic phenotypes. Consistent with these results, 78-week-old TgTM4SF5 mice similarly had sinusoidal dilatation, immune cell infiltration, and fibrosis. Altogether, systemic overexpression of TM4SF5 aggravates pathological abnormalities in both the colon and the liver. [BMB Reports 2022; 55(12): 609-614].
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Lee J, Kim E, Kang MK, Ryu J, Kim JE, Shin EA, Pinanga Y, Pyo KH, Lee H, Lee EH, Cho H, Cheon J, Kim W, Jho EH, Kim S, Lee JW. Systemic TM4SF5 overexpression in Apc Min/+ mice promotes hepatic portal hypertension associated with fibrosis. BMB Rep 2022; 55:609-614. [PMID: 36104259 PMCID: PMC9813423 DOI: 10.5483/bmbrep.2022.55.12.104] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Revised: 07/18/2022] [Accepted: 08/30/2022] [Indexed: 08/30/2023] Open
Abstract
Mutation of the gene for adenomatous polyposis coli (APC), as seen in ApcMin/+ mice, leads to intestinal adenomas and carcinomas via stabilization of β-catenin. Transmembrane 4 L six family member 5 (TM4SF5) is involved in the development of non-alcoholic fatty liver disease, fibrosis, and cancer. However, the functional linkage between TM4SF5 and APC or β-catenin has not been investigated for pathological outcomes. After interbreeding ApcMin/+ with TM4SF5-overexpressing transgenic (TgTM4SF5) mice, we explored pathological outcomes in the intestines and livers of the offspring. The intestines of 26-week-old dual-transgenic mice (ApcMin/+:TgTM4SF5) had intramucosal adenocarcinomas beyond the single-crypt adenomas in ApcMin/+ mice. Additional TM4SF5 overexpression increased the stabilization of β-catenin via reduced glycogen synthase kinase 3β (GSK3β) phosphorylation on Ser9. Additionally, the livers of the dualtransgenic mice showed distinct sinusoidal dilatation and features of hepatic portal hypertension associated with fibrosis, more than did the relatively normal livers in ApcMin/+ mice. Interestingly, TM4SF5 overexpression in the liver was positively linked to increased GSK3β phosphorylation (opposite to that seen in the colon), β-catenin level, and extracellular matrix (ECM) protein expression, indicating fibrotic phenotypes. Consistent with these results, 78-week-old TgTM4SF5 mice similarly had sinusoidal dilatation, immune cell infiltration, and fibrosis. Altogether, systemic overexpression of TM4SF5 aggravates pathological abnormalities in both the colon and the liver. [BMB Reports 2022; 55(12): 609-614].
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Affiliation(s)
- Joohyeong Lee
- Department of Pharmacy, Daejeon 34141, Korea
- Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul 08826, Korea
| | - Eunmi Kim
- Department of Pharmacy, Daejeon 34141, Korea
- Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul 08826, Korea
| | | | - Jihye Ryu
- Department of Pharmacy, Daejeon 34141, Korea
| | - Ji Eon Kim
- Department of Pharmacy, Daejeon 34141, Korea
| | - Eun-Ae Shin
- Department of Pharmacy, Daejeon 34141, Korea
| | | | | | - Haesong Lee
- Department of Pharmacy, Daejeon 34141, Korea
| | - Eun Hae Lee
- Department of Pharmacy, Daejeon 34141, Korea
| | - Heejin Cho
- Department of Pharmacy, Daejeon 34141, Korea
| | | | - Wonsik Kim
- Department of Pharmacy, Daejeon 34141, Korea
| | - Eek-Hoon Jho
- Department of Life Science, University of Seoul, Seoul 02504, Korea
| | - Semi Kim
- Microbiome Convergence Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon 34141, Korea
| | - Jung Weon Lee
- Department of Pharmacy, Daejeon 34141, Korea
- Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul 08826, Korea
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Jung JW, Kim JE, Kim E, Lee H, Lee H, Shin E, Lee JW. Liver-originated small extracellular vesicles with TM4SF5 target brown adipose tissue for homeostatic glucose clearance. J Extracell Vesicles 2022; 11:e12262. [PMID: 36063136 PMCID: PMC9443943 DOI: 10.1002/jev2.12262] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Revised: 06/27/2022] [Accepted: 08/16/2022] [Indexed: 11/09/2022] Open
Abstract
Transmembrane 4 L six family member 5 (TM4SF5) is involved in chronic liver disease, although its role in glucose homeostasis remains unknown. TM4SF5 deficiency caused age-dependent glucose (in)tolerance with no link to insulin sensitivity. Further, hepatic TM4SF5 binding to GLUT1 promoted glucose uptake and glycolysis. Excessive glucose repletion caused hepatocytes to secrete small extracellular vesicles (sEVs) loaded with TM4SF5 (hep-sEVTm4sf5 ), suggesting a role for sEVTm4sf5 in glucose metabolism and homeostasis. Hep-sEVTm4sf5 were smaller than sEVControl and recruit proteins for efficient organ tropism. Liver-derived sEVs, via a liver-closed vein circuit (LCVC) using hepatic TM4SF5-overexpressing (Alb-Tm4sf5 TG) mice (liv-sEVTm4sf5 ), improved glucose tolerance in Tm4sf5-/- KO mice and targeted brown adipose tissues (BATs), possibly allowing the clearance of blood glucose as heat independent of UCP1. Taken together, hep-sEVTm4sf5 might clear high extracellular glucose levels more efficiently by targeting BAT compared with hep-sEVControl , suggesting an insulin-like role for sEV™4SF5 in affecting age-related metabolic status and thus body weight (BW).
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Affiliation(s)
- Jae Woo Jung
- Department of Pharmacy, College of PharmacySeoul National UniversitySeoulRepublic of Korea
- Research Institute of Pharmaceutical Sciences, College of PharmacySeoul National UniversitySeoulRepublic of Korea
- Interdisciplinary Program in Genetic EngineeringSeoul National UniversitySeoulRepublic of Korea
| | - Ji Eon Kim
- Department of Pharmacy, College of PharmacySeoul National UniversitySeoulRepublic of Korea
- Research Institute of Pharmaceutical Sciences, College of PharmacySeoul National UniversitySeoulRepublic of Korea
| | - Eunmi Kim
- Department of Pharmacy, College of PharmacySeoul National UniversitySeoulRepublic of Korea
- Research Institute of Pharmaceutical Sciences, College of PharmacySeoul National UniversitySeoulRepublic of Korea
| | - Hyejin Lee
- Department of Pharmacy, College of PharmacySeoul National UniversitySeoulRepublic of Korea
| | - Haesong Lee
- Department of Pharmacy, College of PharmacySeoul National UniversitySeoulRepublic of Korea
| | - Eun‐Ae Shin
- Department of Pharmacy, College of PharmacySeoul National UniversitySeoulRepublic of Korea
| | - Jung Weon Lee
- Department of Pharmacy, College of PharmacySeoul National UniversitySeoulRepublic of Korea
- Research Institute of Pharmaceutical Sciences, College of PharmacySeoul National UniversitySeoulRepublic of Korea
- Interdisciplinary Program in Genetic EngineeringSeoul National UniversitySeoulRepublic of Korea
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Ismail A, Tanasova M. Importance of GLUT Transporters in Disease Diagnosis and Treatment. Int J Mol Sci 2022; 23:8698. [PMID: 35955833 PMCID: PMC9368955 DOI: 10.3390/ijms23158698] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2022] [Revised: 07/29/2022] [Accepted: 07/30/2022] [Indexed: 12/04/2022] Open
Abstract
Facilitative sugar transporters (GLUTs) are the primary method of sugar uptake in all mammalian cells. There are 14 different types of those transmembrane proteins, but they transport only a handful of substrates, mainly glucose and fructose. This overlap and redundancy contradict the natural tendency of cells to conserve energy and resources, and has led researchers to hypothesize that different GLUTs partake in more metabolic roles than just sugar transport into cells. Understanding those roles will lead to better therapeutics for a wide variety of diseases and disorders. In this review we highlight recent discoveries of the role GLUTs play in different diseases and disease treatments.
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Affiliation(s)
- Abdelrahman Ismail
- Department of Chemistry, Michigan Technological University, 1400 Townsend Drive, Houghton, MI 49931, USA
| | - Marina Tanasova
- Department of Chemistry, Michigan Technological University, 1400 Townsend Drive, Houghton, MI 49931, USA
- Health Research Institute, Michigan Technological University, Houghton, MI 49931, USA
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Kim JE, Kim E, Lee JW. TM4SF5-Mediated Regulation of Hepatocyte Transporters during Metabolic Liver Diseases. Int J Mol Sci 2022; 23:ijms23158387. [PMID: 35955521 PMCID: PMC9369364 DOI: 10.3390/ijms23158387] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2022] [Revised: 07/25/2022] [Accepted: 07/28/2022] [Indexed: 02/01/2023] Open
Abstract
Nonalcoholic fatty liver disease (NAFLD) is found in up to 30% of the world’s population and can lead to hepatocellular carcinoma (HCC), which has a poor 5-year relative survival rate of less than 40%. Clinical therapeutic strategies are not very successful. The co-occurrence of metabolic disorders and inflammatory environments during the development of steatohepatitis thus needs to be more specifically diagnosed and treated to prevent fatal HCC development. To improve diagnostic and therapeutic strategies, the identification of molecules and/or pathways responsible for the initiation and progression of chronic liver disease has been explored in many studies, but further study is still required. Transmembrane 4 L six family member 5 (TM4SF5) has been observed to play roles in the regulation of metabolic functions and activities in hepatocytes using in vitro cell and in vivo animal models without or with TM4SF5 expression in addition to clinical liver tissue samples. TM4SF5 is present on the membranes of different organelles or vesicles and cooperates with transporters for fatty acids, amino acids, and monocarbohydrates, thus regulating nutrient uptake into hepatocytes and metabolism and leading to phenotypes of chronic liver diseases. In addition, TM4SF5 can remodel the immune environment by interacting with immune cells during TM4SF5-mediated chronic liver diseases. Because TM4SF5 may act as an NAFLD biomarker, this review summarizes crosstalk between TM4SF5 and nutrient transporters in hepatocytes, which is related to chronic liver diseases.
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