Diabetes & Metabolism Journal

Original Articles

Basic Research
Beneficial Effects of a Curcumin Derivative and Transforming Growth Factor-β Receptor I Inhibitor Combination on Nonalcoholic Steatohepatitis: Kyung Bong Ha, Eun Soo Lee, Na Won Park, Su Ho Jo, Soyeon Shim, Dae-Kee Kim, Chan Mug Ahn, Choon Hee Chung; Diabetes Metab J. 2023;47(4):500-513. Published online April 25, 2023; DOI: https://doi.org/10.4093/dmj.2022.0110

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Abstract PDF Supplementary Material PubReader ePub: Background
Curcumin 2005-8 (Cur5-8), a derivative of curcumin, improves fatty liver disease via AMP-activated protein kinase activation and autophagy regulation. EW-7197 (vactosertib) is a small molecule inhibitor of transforming growth factor β (TGF-β) receptor I and may scavenge reactive oxygen species and ameliorate fibrosis through the SMAD2/3 canonical pathway. This study aimed to determine whether co-administering these two drugs having different mechanisms is beneficial.
Methods
Hepatocellular fibrosis was induced in mouse hepatocytes (alpha mouse liver 12 [AML12]) and human hepatic stellate cells (LX-2) using TGF-β (2 ng/mL). The cells were then treated with Cur5-8 (1 μM), EW-7197 (0.5 μM), or both. In animal experiments were also conducted during which, methionine-choline deficient diet, Cur5-8 (100 mg/kg), and EW-7197 (20 mg/kg) were administered orally to 8-week-old C57BL/6J mice for 6 weeks.
Results
TGF-β-induced cell morphological changes were improved by EW-7197, and lipid accumulation was restored on the administration of EW-7197 in combination with Cur5-8. In a nonalcoholic steatohepatitis (NASH)-induced mouse model, 6 weeks of EW-7197 and Cur5-8 co-administration alleviated liver fibrosis and improved the nonalcoholic fatty liver disease (NAFLD) activity score.
Conclusion
Co-administering Cur5-8 and EW-7197 to NASH-induced mice and fibrotic hepatocytes reduced liver fibrosis and steatohepatitis while maintaining the advantages of both drugs. This is the first study to show the effect of the drug combination against NASH and NAFLD. Similar effects in other animal models will confirm its potential as a new therapeutic agent.

Guideline/Fact Sheet
Fatty Liver & Diabetes Statistics in Korea: Nationwide Data 2009 to 2017: Eugene Han, Kyung-Do Han, Yong-ho Lee, Kyung-Soo Kim, Sangmo Hong, Jung Hwan Park, Cheol-Young Park, on Behalf of Fatty Liver Research Group of the Korean Diabetes Association; Diabetes Metab J. 2023;47(3):347-355. Published online March 29, 2023; DOI: https://doi.org/10.4093/dmj.2022.0444

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Background
This study investigated the changes of fatty liver disease prevalence in general Korean population.
Methods
This study analyzed data from the Korean National Health Insurance Service from 2009 to 2017 that included individuals aged 20 years or older who had undergone a medical health examination. Fatty liver disease was assessed using the fatty liver index (FLI). The disease severity was defined by FLI cutoff, ≥30 as moderate, and ≥60 as severe fatty liver disease.
Results
The prevalence of Korean adults aged 20 years or over with fatty liver disease (FLI ≥60) increased from 13.3% in 2009 to 15.5% in 2017 (P for trend <0.001). The increase in fatty liver disease prevalence was prominent in men (from 20.5% to 24.2%) and the young age (20 to 39 years) group (from 12.8% to 16.4%) (P for interaction <0.001). The prevalence of fatty liver disease was the highest in type 2 diabetes mellitus (T2DM, 29.6%) population compared to that of prediabetes or normoglycemia (10.0% and 21.8%) in 2017. The prevalence of fatty liver disease had statistically increased in individuals with T2DM and prediabetes (P for trend <0.001). Its prevalence increased more steeply in the young-aged population with T2DM, from 42.2% in 2009 to 60.1% in 2017. When applying a lower FLI cutoff (≥30) similar results were observed.
Conclusion
The prevalence of fatty liver disease in the Korean population has increased. Individuals who are young, male, and have T2DM are vulnerable to fatty liver disease.

Citations

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Reply to G. Wang et al
Joo-Hyun Park, Jung Yong Hong, Kyungdo Han
Journal of Clinical Oncology.2023; 41(32): 5070. CrossRef
Longitudinal changes in fatty liver index are associated with risk of hepatocellular carcinoma: A nationwide cohort study in Korea
Min Gu Kang, Chang Hun Lee, Chen Shen, Jong Seung Kim, Ji Hyun Park
Journal of Hepatology.2023;[Epub] CrossRef
The Role of the Fatty Liver Index (FLI) in the Management of Non-Alcoholic Fatty Liver Disease: A Systematic Review
Teodora Biciusca, Sorina Ionelia Stan, Mara Amalia Balteanu, Ramona Cioboata, Alice Elena Ghenea, Suzana Danoiu, Ana-Maria Bumbea, Viorel Biciusca
Diagnostics.2023; 13(21): 3316. CrossRef
Repeated detection of non‐alcoholic fatty liver disease increases the incidence risk of type 2 diabetes in young adults
Jin Hwa Kim, Young Sang Lyu, Mee Kyoung Kim, Sang Yong Kim, Ki‐Hyun Baek, Ki‐Ho Song, Kyungdo Han, Hyuk‐Sang Kwon
Diabetes, Obesity and Metabolism.2023;[Epub] CrossRef
Lean or Non-obese Nonalcoholic Fatty Liver Disease Patients: Are They Really Lean?
Eugene Han, Yong-ho Lee
Clinical and Molecular Hepatology.2023; 29(4): 980. CrossRef
Approach to Fatty Liver Disease in Patients with Type 2 Diabetes
Ji Cheol Bae
The Journal of Korean Diabetes.2023; 24(3): 107. CrossRef

Metabolic Risk/Epidemiology
Association of Myosteatosis with Nonalcoholic Fatty Liver Disease, Severity, and Liver Fibrosis Using Visual Muscular Quality Map in Computed Tomography: Hwi Seung Kim, Jiwoo Lee, Eun Hee Kim, Min Jung Lee, In Young Bae, Woo Je Lee, Joong-Yeol Park, Hong-Kyu Kim, Chang Hee Jung; Diabetes Metab J. 2023;47(1):104-117. Published online January 26, 2023; DOI: https://doi.org/10.4093/dmj.2022.0081

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Background
The association of myosteatosis measured using visual muscular quality map in computed tomography (CT) with nonalcoholic fatty liver disease (NAFLD), its severity, and fibrosis was analyzed in a large population.
Methods
Subjects (n=13,452) with abdominal CT between 2012 and 2013 were measured total abdominal muscle area (TAMA) at L3 level. TAMA was segmented into intramuscular adipose tissue and skeletal muscle area (SMA), which was further classified into normal attenuation muscle area (NAMA) and low attenuation muscle area (LAMA). The following variables were adopted as indicators of myosteatosis: SMA/body mass index (BMI), NAMA/BMI, NAMA/TAMA, and LAMA/BMI. NAFLD and its severity were assessed by ultrasonography, and liver fibrosis was measured by calculating the NAFLD fibrosis score (NFS) and fibrosis-4 index (FIB-4) scores.
Results
According to multiple logistic regression analyses, as quartiles of SMA/BMI, NAMA/BMI, and NAMA/TAMA increased, the odds ratios (ORs) for NAFLD decreased in each sex (P for trend <0.001 for all). The ORs of moderate/severe NAFLD were significantly higher in the Q1 group than in the Q4 group for SMA/BMI, NAMA/BMI, and NAMA/TAMA in men. The ORs of intermediate/high liver fibrosis scores assessed by NFS and FIB-4 scores increased linearly with decreasing quartiles for SMA/BMI, NAMA/BMI, and NAMA/TAMA in each sex (P for trend <0.001 for all). Conversely, the risk for NAFLD and fibrosis were positively associated with LAMA/BMI quartiles in each sex (P for trend <0.001 for all).
Conclusion
A higher proportion of good quality muscle was associated with lower risks of NAFLD and fibrosis.

Citations

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Association of Myosteatosis with Nonalcoholic Fatty Liver Disease, Severity, and Liver Fibrosis Using Visual Muscular Quality Map in Computed Tomography (Diabetes Metab J 2023;47:104-17)
Hwi Seung Kim, Hong-Kyu Kim, Chang Hee Jung
Diabetes & Metabolism Journal.2023; 47(2): 304. CrossRef
Association of Myosteatosis with Nonalcoholic Fatty Liver Disease, Severity, and Liver Fibrosis Using Visual Muscular Quality Map in Computed Tomography (Diabetes Metab J 2023;47:104-17)
Eun Roh
Diabetes & Metabolism Journal.2023; 47(2): 301. CrossRef
Sarcopenia, a condition shared by various diseases: can we alleviate or delay the progression?
Giovanni Tarantino, Gaia Sinatti, Vincenzo Citro, Silvano Santini, Clara Balsano
Internal and Emergency Medicine.2023; 18(7): 1887. CrossRef
Association of Visceral Fat Obesity, Sarcopenia, and Myosteatosis with Non-Alcoholic Fatty Liver Disease without Obesity
Hong-Kyu Kim, Sung-Jin Bae, Min Jung Lee, Eun Hee Kim, Hana Park, Hwi Seung Kim, Yun Kyung Cho, Chang Hee Jung, Woo Je Lee, Jaewon Choe
Clinical and Molecular Hepatology.2023; 29(4): 987. CrossRef
Current view of the surgical anatomy of the anterolateral abdominal wall muscles and their aponeuroses
A.V. Pavlov, A.S. Baranova, A.V. Fedoseyev, A.I. Vvedensky, G.S. Lazutina, N.V. Ovchinnikova, I.V. Bakharev
Operativnaya khirurgiya i klinicheskaya anatomiya (Pirogovskii nauchnyi zhurnal).2023; 7(3): 44. CrossRef
Muscle Fat Content Is Associated with Nonalcoholic Fatty Liver Disease and Liver Fibrosis in Chinese Adults
W. Guo, X. Zhao, D. Cheng, X. Liang, M. Miao, X. Li, J. Lu, N. Xu, Shuang Hu, Qun Zhang
The journal of nutrition, health & aging.2023; 27(11): 960. CrossRef

Complications
Non-Alcoholic Fatty Liver Disease with Sarcopenia and Carotid Plaque Progression Risk in Patients with Type 2 Diabetes Mellitus: Yongin Cho, Hye-Sun Park, Byung Wook Huh, Yong-ho Lee, Seong Ha Seo, Da Hea Seo, Seong Hee Ahn, Seongbin Hong, So Hun Kim; Diabetes Metab J. 2023;47(2):232-241. Published online January 19, 2023; DOI: https://doi.org/10.4093/dmj.2021.0355

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Background
We aimed to evaluate whether non-alcoholic fatty liver disease (NAFLD) with or without sarcopenia is associated with progression of carotid atherosclerosis in patients with type 2 diabetes mellitus (T2DM).
Methods
We investigated 852 T2DM patients who underwent abdominal ultrasonography, bioelectrical impedance analysis, and carotid artery ultrasonography at baseline and repeated carotid ultrasonography after 6 to 8 years. NAFLD was confirmed by abdominal ultrasonography, and sarcopenia was defined as a sex-specific skeletal muscle mass index (SMI) value <2 standard deviations below the mean for healthy young adults. SMI was calculated by dividing the sum of appendicular skeletal mass by body weight. We investigated the association between NAFLD with or without sarcopenia and the progression of carotid atherosclerosis.
Results
Of the 852 patients, 333 (39.1%) were classified as NAFLD without sarcopenia, 66 (7.7%) were classified as sarcopenia without NAFLD, and 123 (14.4%) had NAFLD with sarcopenia at baseline. After 6 to 8 years, patients with both NAFLD and sarcopenia had a higher risk of atherosclerosis progression (adjusted odds ratio, 2.20; P<0.009) than controls without NAFLD and sarcopenia. When a subgroup analysis was performed on only patients with NAFLD, female sex, absence of central obesity, and non-obesity were significant factors related to increased risk of plaque progression risk in sarcopenic patients.
Conclusion
NAFLD with sarcopenia was significantly associated with the progression of carotid atherosclerosis in T2DM patients.

Citations

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Association of nonalcoholic fatty liver disease and carotid media‐intima thickness: A systematic review and a meta‐analysis
Manouchehr Khoshbaten, Sepideh H. Maleki, Sara Hadad, Amrit Baral, Ana V. Rocha, Laxmi Poudel, Alireza Abdshah
Health Science Reports.2023;[Epub] CrossRef

Metabolic Risk/Epidemiology
Metabolic Dysfunction-Associated Fatty Liver Disease and Mortality: A Population-Based Cohort Study: Kyung-Soo Kim, Sangmo Hong, Hong-Yup Ahn, Cheol-Young Park; Diabetes Metab J. 2023;47(2):220-231. Published online January 12, 2023; DOI: https://doi.org/10.4093/dmj.2021.0327

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Background
We investigated whether metabolic dysfunction-associated fatty liver disease (MAFLD) is associated with an elevated risk of all-cause and cardiovascular mortality using a large-scale health examination cohort.
Methods
A total of 394,835 subjects in the Kangbuk Samsung Health Study cohort were enrolled from 2002 to 2012. Participants were categorized by the presence of nonalcoholic fatty liver disease (NAFLD) and MAFLD as follows: normal subjects; patients with both NAFLD and MAFLD; patients with NAFLD only; and patients with MAFLD only. Cox proportional hazards models were used to analyze the risk of mortality.
Results
During a median 5.7 years of follow-up, 20.69% was patients with both NAFLD and MAFLD, 1.51% was patients with NAFLD only, and 4.29% was patients with MAFLD only. All-cause and cardiovascular death was higher in patients with MAFLD than those without MAFLD (P<0.001, respectively). In patients with MAFLD only, the hazard ratio (HR) of all-cause and cardiovascular death was 1.35 (95% confidence interval [CI], 1.13 to 1.60) and 1.90 (95% CI, 1.26 to 2.88) after adjusting for age, which lost its statistical significance by multivariable adjustments. Compared to patients with less than two components of metabolic dysfunction, patients with more than two components of metabolic dysfunction were a higher risk of cardiovascular death (HR, 2.05; 95% CI, 1.25 to 3.38) and only women with more than two components of metabolic dysfunction were a higher risk of all-cause death (HR, 1.44; 95% CI, 1.02 to 2.03).
Conclusion
MAFLD criteria could identify a high-risk group for all-cause and cardiovascular death.

Citations

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Comparison of Outcomes Between Metabolic Dysfunction-Associated Fatty Liver Disease and Non-alcoholic Fatty Liver Disease: A Meta-Analysis
Ghazala S Virk, Jaahnavi Vajje, Nausheen K Virk, Raam Mannam, Wajeeh Rehman, Naglaa G Ghobriel , Irfan-ud-din Mian, Muhammad Usama
Cureus.2023;[Epub] CrossRef
Trends in prevalence and all-cause mortality of metabolic dysfunction-associated fatty liver disease among adults in the past three decades: Results from the NHANES study
Zhi-Qin Xie, Hong-Xia Li, Bing-Kun Wang, Zhao-Ming Yang, Zi-Yu Zhang, Wen-Liang Tan, Wen-Xin Li, Qing-Bin Wang, Lei Yang, Hong-Kai Zhuang, Chen-Wei Tang, Chang-Zhen Shang, Ya-Jin Chen
European Journal of Internal Medicine.2023; 110: 62. CrossRef
Comparing the Mortality Risk between Metabolic Dysfunction-Associated Fatty Liver Disease and Non-Alcoholic Fatty Liver Disease
Han Na Jung, Chang Hee Jung
Diabetes & Metabolism Journal.2023; 47(2): 198. CrossRef
Increased expression of sodium-glucose cotransporter 2 and O-GlcNAcylation in hepatocytes drives non-alcoholic steatohepatitis
Hye Jin Chun, Eun Ran Kim, Minyoung Lee, Da Hyun Choi, Soo Hyun Kim, Eugene Shin, Jin-Hong Kim, Jin Won Cho, Dai Hoon Han, Bong-Soo Cha, Yong-ho Lee
Metabolism.2023; 145: 155612. CrossRef
Current understanding and future perspectives on the impact of changing NAFLD to MAFLD on global epidemiology and clinical outcomes
Karl Vaz, Daniel Clayton-Chubb, Ammar Majeed, John Lubel, David Simmons, William Kemp, Stuart K. Roberts
Hepatology International.2023; 17(5): 1082. CrossRef

Basic Research
Peroxisomal Fitness: A Potential Protective Mechanism of Fenofibrate against High Fat Diet-Induced Non-Alcoholic Fatty Liver Disease in Mice: Songling Jiang, Md Jamal Uddin, Xiaoying Yu, Lingjuan Piao, Debra Dorotea, Goo Taeg Oh, Hunjoo Ha; Diabetes Metab J. 2022;46(6):829-842. Published online June 24, 2022; DOI: https://doi.org/10.4093/dmj.2021.0274

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Background
Non-alcoholic fatty liver disease (NAFLD) has been increasing in association with the epidemic of obesity and diabetes. Peroxisomes are single membrane-enclosed organelles that play a role in the metabolism of lipid and reactive oxygen species. The present study examined the role of peroxisomes in high-fat diet (HFD)-induced NAFLD using fenofibrate, a peroxisome proliferator-activated receptor α (PPARα) agonist.
Methods
Eight-week-old male C57BL/6J mice were fed either a normal diet or HFD for 12 weeks, and fenofibrate (50 mg/kg/day) was orally administered along with the initiation of HFD.
Results
HFD-induced liver injury as measured by increased alanine aminotransferase, inflammation, oxidative stress, and lipid accumulation was effectively prevented by fenofibrate. Fenofibrate significantly increased the expression of peroxisomal genes and proteins involved in peroxisomal biogenesis and function. HFD-induced attenuation of peroxisomal fatty acid oxidation was also significantly restored by fenofibrate, demonstrating the functional significance of peroxisomal fatty acid oxidation. In Ppara deficient mice, fenofibrate failed to maintain peroxisomal biogenesis and function in HFD-induced liver injury.
Conclusion
The present data highlight the importance of PPARα-mediated peroxisomal fitness in the protective effect of fenofibrate against NAFLD.

Citations

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Current Therapeutical Approaches Targeting Lipid Metabolism in NAFLD
Manuela Vitulo, Elisa Gnodi, Giulia Rosini, Raffaella Meneveri, Roberto Giovannoni, Donatella Barisani
International Journal of Molecular Sciences.2023; 24(16): 12748. CrossRef
Pharmacological potential of ginseng and ginsenosides in nonalcoholic fatty liver disease and nonalcoholic steatohepatitis
Young-Su Yi
Journal of Ginseng Research.2023;[Epub] CrossRef
PPARα agonist fenofibrate prevents postoperative cognitive dysfunction by enhancing fatty acid oxidation in mice
Tiantian Liu, Xinlu Chen, Ziqi Wei, Xue Han, Yujia Liu, Zhengliang Ma, Tianjiao Xia, Xiaoping Gu
Translational Neuroscience.2023;[Epub] CrossRef
Fenofibrate enhances lipid deposition via modulating PPARγ, SREBP-1c, and gut microbiota in ob/ob mice fed a high-fat diet
Ying Zhang, Xiu-Bin Jia, Yun-Chao Liu, Wen-Qian Yu, Yan-Hong Si, Shou-Dong Guo
Frontiers in Nutrition.2022;[Epub] CrossRef

Review

Metabolic Risk/Epidemiology
Lifestyle Interventions for Non-Obese Patients Both with, and at Risk, of Non-Alcoholic Fatty Liver Disease: Xin-Lei Zhang, Ting-Yao Wang, Giovanni Targher, Christopher D. Byrne, Ming-Hua Zheng; Diabetes Metab J. 2022;46(3):391-401. Published online May 25, 2022; DOI: https://doi.org/10.4093/dmj.2022.0048

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Non-alcoholic fatty liver disease occurring in non-obese subjects (the so-called non-obese NAFLD) is a highly prevalent but neglected liver condition, which is closely associated with metabolic disorders and suboptimal lifestyles. Landmark studies have shown that lifestyle interventions are potentially beneficial in decreasing the risk of developing non-obese NAFLD and in ameliorating NAFLD in non-obese individuals with pre-existing NAFLD. Lifestyle interventions usually refer to changes in eating habits and physical activity, both of which have a powerful effect on non-obese NAFLD and on risk factors for non-obese NAFLD. However, to date, patients and health-care professionals have a poor awareness and understanding of non-obese NAFLD and the beneficial effects of lifestyle interventions in this patient population. The aim of this narrative review is to briefly discuss the evidence for the effects of lifestyle changes and what changes are needed amongst medical personnel and other stakeholders in order to raise awareness of non-obese NAFLD.

Citations

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Patients with NAFLD exhibit more advanced fibrosis in liver biopsy than patients with other chronic liver diseases
Lydia Rohr, Peter Lemmer, Marie Henning, Andrea Tannapfel, Theodor Baars, Paul Manka, Ali Canbay, Jan-Peter Sowa
Zeitschrift für Gastroenterologie.2023; 61(01): 29. CrossRef
Performance of Simple Fibrosis Score in Non-Alcoholic Fatty Liver Disease with and without Type 2 Diabetes
Seung Min Chung, Min Kyu Kang, Jun Sung Moon, Jung Gil Park
Endocrinology and Metabolism.2023; 38(2): 277. CrossRef
An international multidisciplinary consensus statement on MAFLD and the risk of CVD
Xiao-Dong Zhou, Giovanni Targher, Christopher D. Byrne, Virend Somers, Seung Up Kim, C. Anwar A. Chahal, Vincent Wai-Sun Wong, Jingjing Cai, Michael D. Shapiro, Mohammed Eslam, Philippe Gabriel Steg, Ki-Chul Sung, Anoop Misra, Jian-Jun Li, Carlos Brotons,
Hepatology International.2023; 17(4): 773. CrossRef
Lean or Non-obese Nonalcoholic Fatty Liver Disease Patients: Are They Really Lean?
Eugene Han, Yong-ho Lee
Clinical and Molecular Hepatology.2023; 29(4): 980. CrossRef
Sex-Based Differences and Risk Factors for Comorbid Nonalcoholic Fatty Liver Disease in Patients with Bipolar Disorder: A Cross-Sectional Retrospective Study
Ying Wang, Yiyi Liu, Xun Zhang, Qing Wu
Diabetes, Metabolic Syndrome and Obesity.2023; Volume 16: 3533. CrossRef
Benefits of Physical Exercise as Approach to Prevention and Reversion of Non-Alcoholic Fatty Liver Disease in Children and Adolescents with Obesity
Valeria Calcaterra, Vittoria Carlotta Magenes, Matteo Vandoni, Clarissa Berardo, Luca Marin, Alice Bianchi, Erika Cordaro, Giustino Simone Silvestro, Dario Silvestri, Vittoria Carnevale Pellino, Cristina Cereda, Gianvincenzo Zuccotti
Children.2022; 9(8): 1174. CrossRef
The effects of supplementation of probiotics, prebiotics, or synbiotics on patients with non-alcoholic fatty liver disease: A meta-analysis of randomized controlled trials
Wenmin Xing, Wenyan Gao, Xiaoling Lv, Zhenlei Zhao, Genxiang Mao, Xiaoyan Dong, Zuyong Zhang
Frontiers in Nutrition.2022;[Epub] CrossRef

Original Article

Complications
Advanced Liver Fibrosis Is Associated with Chronic Kidney Disease in Patients with Type 2 Diabetes Mellitus and Nonalcoholic Fatty Liver Disease: Da Hea Seo, Young Ju Suh, Yongin Cho, Seong Hee Ahn, Seongha Seo, Seongbin Hong, Yong-ho Lee, Young Ju Choi, Eunjig Lee, So Hun Kim; Diabetes Metab J. 2022;46(4):630-639. Published online January 26, 2022; DOI: https://doi.org/10.4093/dmj.2021.0130

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Background
Nonalcoholic fatty liver disease (NAFLD) is associated with chronic kidney disease (CKD). However, the causal relationship between NAFLD and CKD is uncertain, particularly in patients with type 2 diabetes mellitus (T2DM). We aimed to investigate the association between the presence and severity of NAFLD and incident CKD in patients with T2DM.
Methods
In this longitudinal cohort study of patients with T2DM, 3,188 patients with preserved renal function were followed up for the occurrence of incident CKD. NAFLD was defined as the presence of hepatic steatosis on ultrasonography, without any other causes of chronic liver disease. Advanced liver fibrosis of NAFLD was defined as a fibrosis-4 index ≥2.67. CKD was defined as an estimated glomerular filtration rate <60 mL/min/1.73 m².
Results
At baseline, 1,729 (54.2%) patients had NAFLD, of whom 94 (5.4%) had advanced liver fibrosis. During the follow-up of 8.3±3.6 years, 472 (14.8%) patients developed incident CKD: 220 (15.1%) in the non-NAFLD group, 231 (14.1%) in the NAFLD without advanced fibrosis group and 28 (31.1%) in the NAFLD with advanced fibrosis group. There was no increased risk of incident CKD in the NAFLD group compared to the non-NAFLD group (P=0.435). However, among patients with NAFLD, advanced liver fibrosis was associated with an increased risk of CKD (adjusted hazard ratio, 1.75; 95% confidence interval, 1.15 to 2.66; P=0.009).
Conclusion
Advanced liver fibrosis in patients with NAFLD is independently associated with an increased risk of incident CKD in patients with T2DM.

Citations

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Esteatosis hepática metabólica y nefropatía diabética: una llamada a la acción
Salvador Benlloch, Francesc Moncho, Jose Luis Górriz
Nefrología.2023;[Epub] CrossRef
MAFLD and NAFLD in the prediction of incident chronic kidney disease
So Yoon Kwon, Jiyun Park, So Hee Park, You-Bin Lee, Gyuri Kim, Kyu Yeon Hur, Janghyun Koh, Jae Hwan Jee, Jae Hyeon Kim, Mira Kang, Sang-Man Jin
Scientific Reports.2023;[Epub] CrossRef
Associations of non-invasive indices of liver steatosis and fibrosis with progressive kidney impairment in adults with type 2 diabetes
Mei Chung Moh, Sharon Li Ting Pek, Kenny Ching Pan Sze, Serena Low, Tavintharan Subramaniam, Keven Ang, Wern Ee Tang, Simon Biing Ming Lee, Chee Fang Sum, Su Chi Lim
Acta Diabetologica.2023; 60(6): 827. CrossRef
Pancreatic beta-cell specific BAG3 knockout results in chronic hyperinsulinemia inducing insulin resistance
Verena Damiani, Alessia Lamolinara, Ilaria Cicalini, Maria Concetta Cufaro, Francesco Del Pizzo, Federica Di Marco, Piero Del Boccio, Beatrice Dufrusine, Michael Hahne, Rossano Lattanzio, Damiana Pieragostino, Manuela Iezzi, Massimo Federici, Maria Cateri
Molecular Metabolism.2023; 74: 101752. CrossRef
Utility of non-invasive liver fibrosis markers to predict the incidence of chronic kidney disease (CKD): A systematic review, meta-analysis, and meta-regression
Rudi Supriyadi, Theo Audi Yanto, Timotius Ivan Hariyanto, Ketut Suastika
Diabetes & Metabolic Syndrome: Clinical Research & Reviews.2023; 17(8): 102814. CrossRef
Significance of Diabetic Kidney Disease Biomarkers in Predicting Metabolic-Associated Fatty Liver Disease
Jaehyun Bae, Byung-Wan Lee
Biomedicines.2023; 11(7): 1928. CrossRef
Hepatic Fibrosis Evaluated in Patients with Type 2 Diabetes with and without Chronic Kidney Disease
Therese Adrian, Mads Hornum, Filip Krag Knop, Karl Bang Christensen, Thomas Almdal, Peter Rossing, Lisa Í Lídaa, Niels Søndergaard Heinrich, Vincent Oltman Boer, Anouk Marsman, Esben Thade Petersen, Hartwig Roman Siebner, Bo Feldt-Rasmussen
Nephron.2023; 147(11): 673. CrossRef
Longitudinal Outcomes Associated With Metabolic Dysfunction-Associated Steatotic Liver Disease: A Meta-analysis of 129 Studies
Kai En Chan, Elden Yen Hng Ong, Charlotte Hui Chung, Christen En Ya Ong, Benjamin Koh, Darren Jun Hao Tan, Wen Hui Lim, Jie Ning Yong, Jieling Xiao, Zhen Yu Wong, Nicholas Syn, Apichat Kaewdech, Margaret Teng, Jiong-Wei Wang, Nicholas Chew, Dan Yock Young
Clinical Gastroenterology and Hepatology.2023;[Epub] CrossRef
Clinical Interest of Serum Alpha-2 Macroglobulin, Apolipoprotein A1, and Haptoglobin in Patients with Non-Alcoholic Fatty Liver Disease, with and without Type 2 Diabetes, before or during COVID-19
Olivier Deckmyn, Thierry Poynard, Pierre Bedossa, Valérie Paradis, Valentina Peta, Raluca Pais, Vlad Ratziu, Dominique Thabut, Angelique Brzustowski, Jean-François Gautier, Patrice Cacoub, Dominique Valla
Biomedicines.2022; 10(3): 699. CrossRef
Fibrosis Risk in Nonalcoholic Fatty Liver Disease Is Related to Chronic Kidney Disease in Older Type 2 Diabetes Patients
Yifan Sun, Liang Hong, Zhe Huang, Lihong Wang, Yanqin Xiong, Shuhang Zong, Rui Zhang, Jun Liu, Shufei Zang
The Journal of Clinical Endocrinology & Metabolism.2022; 107(9): e3661. CrossRef
Beyond Liver Disease: Non-Alcoholic Fatty Liver Disease and Advanced Liver Fibrosis in Kidney Disease
Eugene Han
Diabetes & Metabolism Journal.2022; 46(4): 564. CrossRef
A higher FIB‐4 index is associated with an increased incidence of renal failure in the general population
Eva Maria Schleicher, Simon Johannes Gairing, Peter Robert Galle, Julia Weinmann‐Menke, Jörn M. Schattenberg, Karel Kostev, Christian Labenz
Hepatology Communications.2022; 6(12): 3505. CrossRef
Advanced Liver Fibrosis Is Associated with Chronic Kidney Disease in Patients with Type 2 Diabetes Mellitus and Nonalcoholic Fatty Liver Disease (Diabetes Metab J 2022;46:630-9)
Ji Hye Huh
Diabetes & Metabolism Journal.2022; 46(6): 953. CrossRef
Advanced Liver Fibrosis Is Associated with Chronic Kidney Disease in Patients with Type 2 Diabetes Mellitus and Nonalcoholic Fatty Liver Disease (Diabetes Metab J 2022;46:630-9)
Da Hea Seo, So Hun Kim
Diabetes & Metabolism Journal.2022; 46(6): 956. CrossRef

Sulwon Lecture 2020

Pathophysiology
Rho-Kinase as a Therapeutic Target for Nonalcoholic Fatty Liver Diseases: Inês Sousa-Lima, Hyun Jeong Kim, John Jones, Young-Bum Kim; Diabetes Metab J. 2021;45(5):655-674. Published online September 30, 2021; DOI: https://doi.org/10.4093/dmj.2021.0197

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Nonalcoholic fatty liver disease (NAFLD) is a major public health problem and the most common form of chronic liver disease, affecting 25% of the global population. Although NAFLD is closely linked with obesity, insulin resistance, and type 2 diabetes mellitus, knowledge on its pathogenesis remains incomplete. Emerging data have underscored the importance of Rho-kinase (Rho-associated coiled-coil-containing kinase [ROCK]) action in the maintenance of normal hepatic lipid homeostasis. In particular, pharmacological blockade of ROCK in hepatocytes or hepatic stellate cells prevents the progression of liver diseases such as NAFLD and fibrosis. Moreover, mice lacking hepatic ROCK1 are protected against obesity-induced fatty liver diseases by suppressing hepatic de novo lipogenesis. Here we review the roles of ROCK as an indispensable regulator of obesity-induced fatty liver disease and highlight the key cellular pathway governing hepatic lipid accumulation, with focus on de novo lipogenesis and its impact on therapeutic potential. Consequently, a comprehensive understanding of the metabolic milieu linking to liver dysfunction triggered by ROCK activation may help identify new targets for treating fatty liver diseases such as NAFLD.

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Targeting of G-protein coupled receptor 40 alleviates airway hyperresponsiveness through RhoA/ROCK1 signaling pathway in obese asthmatic mice
Xixi Lin, Like Wang, Xiaojie Lu, Yuanyuan Zhang, Rongying Zheng, Ruijie Chen, Weixi Zhang
Respiratory Research.2023;[Epub] CrossRef
Selectivity matters: selective ROCK2 inhibitor ameliorates established liver fibrosis via targeting inflammation, fibrosis, and metabolism
Alexandra Zanin-Zhorov, Wei Chen, Julien Moretti, Melanie S. Nyuydzefe, Iris Zhorov, Rashmi Munshi, Malavika Ghosh, Cindy Serdjebi, Kelli MacDonald, Bruce R. Blazar, Melissa Palmer, Samuel D. Waksal
Communications Biology.2023;[Epub] CrossRef
Insight Into Rho Kinase Isoforms in Obesity and Energy Homeostasis
Lei Wei, Jianjian Shi
Frontiers in Endocrinology.2022;[Epub] CrossRef
Paeoniflorin alleviates liver injury in hypercholesterolemic rats through the ROCK/AMPK pathway
Tong Liu, Ning Zhang, Lingya Kong, Sijie Chu, Ting Zhang, Guangdi Yan, Donglai Ma, Jun Dai, Zhihong Ma
Frontiers in Pharmacology.2022;[Epub] CrossRef
Fasudil Increased the Sensitivity to Gefitinib in NSCLC by Decreasing Intracellular Lipid Accumulation
Tingting Liao, Jingjing Deng, Wenjuan Chen, Juanjuan Xu, Guanghai Yang, Mei Zhou, Zhilei Lv, Sufei Wang, Siwei Song, Xueyun Tan, Zhengrong Yin, Yumei Li, Yang Jin
Cancers.2022; 14(19): 4709. CrossRef

Original Articles

Metabolic Risk/Epidemiology
Serum Retinol-Binding Protein Levels Are Associated with Nonalcoholic Fatty Liver Disease in Chinese Patients with Type 2 Diabetes Mellitus: A Real-World Study: Zhi-Hui Zhang, Jiang-Feng Ke, Jun-Xi Lu, Yun Liu, Ai-Ping Wang, Lian-Xi Li; Diabetes Metab J. 2022;46(1):129-139. Published online August 10, 2021; DOI: https://doi.org/10.4093/dmj.2020.0222

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Background
The association of serum retinol-binding protein (RBP) levels with nonalcoholic fatty liver disease (NAFLD) remains controversial. Furthermore, few studies have investigated their relationship in type 2 diabetes mellitus (T2DM) patients. Therefore, the aim of the present study was to explore the association between serum RBP levels and NAFLD in Chinese inpatients with T2DM.
Methods
This cross-sectional, real-world study included 2,263 Chinese T2DM inpatients. NAFLD was diagnosed by abdominal ultrasonography. The subjects were divided into four groups based on RBP quartiles, and clinical characteristics were compared among the four groups. The associations of both RBP levels and quartiles with the presence of NAFLD were also analyzed.
Results
After adjustment for sex, age, and diabetes duration, there was a significant increase in the prevalence of NAFLD from the lowest to the highest RBP quartiles (30.4%, 40.0%, 42.4%, and 44.7% for the first, second, third, and fourth quartiles, respectively, P<0.001 for trend). Fully adjusted multiple logistic regression analysis revealed that both increased RBP levels (odds ratio, 1.155; 95% confidence interval, 1.012 to 1.318; P=0.033) and quartiles (P=0.014 for trend) were independently associated with the presence of NAFLD in T2DM patients.
Conclusion
Increased serum RBP levels were independently associated with the presence of NAFLD in Chinese T2DM inpatients. Serum RBP levels may be used as one of the indicators to assess the risk of NAFLD in T2DM patients.

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The relationship between NAFLD and retinol-binding protein 4 - an updated systematic review and meta-analysis
Rui Hu, Xiaoyue Yang, Xiaoyu He, Guangyao Song
Lipids in Health and Disease.2023;[Epub] CrossRef
Blood lactate levels are associated with an increased risk of metabolic dysfunction-associated fatty liver disease in type 2 diabetes: a real-world study
Yi-Lin Ma, Jiang-Feng Ke, Jun-Wei Wang, Yu-Jie Wang, Man-Rong Xu, Lian-Xi Li
Frontiers in Endocrinology.2023;[Epub] CrossRef
High‐normal unconjugated bilirubin is associated with decreased risk of chronic kidney disease in type 2 diabetes: A real‐world study
Man‐Rong Xu, Chun‐Hua Jin, Jun‐Xi Lu, Mei‐Fang Li, Lian‐Xi Li
Diabetes/Metabolism Research and Reviews.2023;[Epub] CrossRef
Global prevalence of non-alcoholic fatty liver disease in type 2 diabetes mellitus: an updated systematic review and meta-analysis
Elina En Li Cho, Chong Zhe Ang, Jingxuan Quek, Clarissa Elysia Fu, Lincoln Kai En Lim, Zane En Qi Heng, Darren Jun Hao Tan, Wen Hui Lim, Jie Ning Yong, Rebecca Zeng, Douglas Chee, Benjamin Nah, Cosmas Rinaldi Adithya Lesmana, Aung Hlaing Bwa, Khin Maung W
Gut.2023; 72(11): 2138. CrossRef
Serum iron is closely associated with metabolic dysfunction-associated fatty liver disease in type 2 diabetes: A real-world study
Jun-Wei Wang, Chun-Hua Jin, Jiang-Feng Ke, Yi-Lin Ma, Yu-Jie Wang, Jun-Xi Lu, Mei-Fang Li, Lian-Xi Li
Frontiers in Endocrinology.2022;[Epub] CrossRef
Low-normal serum unconjugated bilirubin levels are associated with late but not early carotid atherosclerotic lesions in T2DM subjects
Chun-Hua Jin, Jun-Wei Wang, Jiang-Feng Ke, Jing-Bo Li, Mei-Fang Li, Lian-Xi Li
Frontiers in Endocrinology.2022;[Epub] CrossRef
Waist-to-height ratio is a simple and practical alternative to waist circumference to diagnose metabolic syndrome in type 2 diabetes
Yi-Lin Ma, Chun-Hua Jin, Cui-Chun Zhao, Jiang-Feng Ke, Jun-Wei Wang, Yu-Jie Wang, Jun-Xi Lu, Gao-Zhong Huang, Lian-Xi Li
Frontiers in Nutrition.2022;[Epub] CrossRef
GA/HbA1c ratio is a simple and practical indicator to evaluate the risk of metabolic dysfunction-associated fatty liver disease in type 2 diabetes: an observational study
Jun-Wei Wang, Chun-Hua Jin, Jiang-Feng Ke, Yi-Lin Ma, Yu-Jie Wang, Jun-Xi Lu, Mei-Fang Li, Lian-Xi Li
Diabetology & Metabolic Syndrome.2022;[Epub] CrossRef
Decreased Serum Osteocalcin is an Independent Risk Factor for Metabolic Dysfunction-Associated Fatty Liver Disease in Type 2 Diabetes
Yu-Jie Wang, Chun-Hua Jin, Jiang-Feng Ke, Jun-Wei Wang, Yi-Lin Ma, Jun-Xi Lu, Mei-Fang Li, Lian-Xi Li
Diabetes, Metabolic Syndrome and Obesity: Targets and Therapy.2022; Volume 15: 3717. CrossRef

Complications
Renal Tubular Damage Marker, Urinary N-acetyl-β-D-Glucosaminidase, as a Predictive Marker of Hepatic Fibrosis in Type 2 Diabetes Mellitus: Hae Kyung Kim, Minyoung Lee, Yong-ho Lee, Eun Seok Kang, Bong-Soo Cha, Byung-Wan Lee; Diabetes Metab J. 2022;46(1):104-116. Published online July 13, 2021; DOI: https://doi.org/10.4093/dmj.2020.0273

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Background
Non-alcoholic steatohepatitis is closely associated with the progression of diabetic kidney disease (DKD) in type 2 diabetes mellitus (T2DM). We investigated whether urinary N-acetyl-β-D-glucosaminidase (u-NAG), an early renal tubular damage biomarker in DKD, could be related to the degree of hepatic fibrosis in patients with T2DM.
Methods
A total of 300 patients with T2DM were enrolled in this study. Hepatic steatosis and fibrosis were determined using transient elastography. The levels of urinary biomarkers, including u-NAG, albumin, protein, and creatinine, and glucometabolic parameters were measured.
Results
Based on the median value of the u-NAG to creatinine ratio (u-NCR), subjects were divided into low and high u-NCR groups. The high u-NCR group showed a significantly longer duration of diabetes, worsened hyperglycemia, and a more enhanced hepatic fibrosis index. A higher u-NCR was associated with a greater odds ratio for the risk of higher hepatic fibrosis stage (F2: odds ratio, 1.99; 95% confidence interval [CI], 1.04 to 3.82). Also, u-NCR was an independent predictive marker for more advanced hepatic fibrosis, even after adjusting for several confounding factors (β=1.58, P<0.01).
Conclusion
The elevation of u-NAG was independently associated with a higher degree of hepatic fibrosis in patients with T2DM. Considering the common metabolic milieu of renal and hepatic fibrosis in T2DM, the potential use of u-NAG as an effective urinary biomarker reflecting hepatic fibrosis in T2DM needs to be validated in the future.

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Intermittent fasting plus early time-restricted eating versus calorie restriction and standard care in adults at risk of type 2 diabetes: a randomized controlled trial
Xiao Tong Teong, Kai Liu, Andrew D. Vincent, Julien Bensalem, Bo Liu, Kathryn J. Hattersley, Lijun Zhao, Christine Feinle-Bisset, Timothy J. Sargeant, Gary A. Wittert, Amy T. Hutchison, Leonie K. Heilbronn
Nature Medicine.2023; 29(4): 963. CrossRef
Significance of Diabetic Kidney Disease Biomarkers in Predicting Metabolic-Associated Fatty Liver Disease
Jaehyun Bae, Byung-Wan Lee
Biomedicines.2023; 11(7): 1928. CrossRef
Abdominal adipose tissue and type 2 diabetic kidney disease: adipose radiology assessment, impact, and mechanisms
Fei Lu, Jinlei Fan, Fangxuan Li, Lijing Liu, Zhiyu Chen, Ziyu Tian, Liping Zuo, Dexin Yu
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High Glycated Hemoglobin Instead of High Body Mass Index Might Increase the Urine N-Acetyl-β-D-glucosaminidase Con-Centration in Children and Adolescents with Diabetes Mellitus
Jin-Soon Suh, Kyoung Soon Cho, Seul Ki Kim, Shin-Hee Kim, Won Kyoung Cho, Min Ho Jung, Moon Bae Ahn
Life.2022; 12(6): 879. CrossRef

Pathophysiology
Distinct Dose-Dependent Association of Free Fatty Acids with Diabetes Development in Nonalcoholic Fatty Liver Disease Patients: Fuxi Li, Junzhao Ye, Yanhong Sun, Yansong Lin, Tingfeng Wu, Congxiang Shao, Qianqian Ma, Xianhua Liao, Shiting Feng, Bihui Zhong; Diabetes Metab J. 2021;45(3):417-429. Published online March 15, 2021; DOI: https://doi.org/10.4093/dmj.2020.0039

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Background
Excessive delivery of free fatty acids (FFAs) to the liver promotes steatosis and insulin resistance (IR), with IR defined as reduced glucose uptake, glycogen synthesis and anti-lipolysis stimulated by normal insulin levels. Whether the associations between FFAs and diabetes development differ between patients with and without nonalcoholic fatty liver disease (NAFLD) remains unclear.
Methods
Consecutive subjects (2,220 NAFLD subjects and 1,790 non-NAFLD subjects according to ultrasound imaging) were enrolled from the First Affiliated Hospital of Sun Yat-sen University between 2009 and 2019. The homeostasis model assessment of insulin resistance (HOMA-IR) was calculated.
Results
There was an approximate J-shaped relationship between FFA levels and HOMA-IR in the NAFLD group. Higher FFA concentration quartiles were associated with higher risks of IR (odds ratio [OR], 9.24; 95% confidence interval [CI], 6.43 to 13.36), prediabetes (OR, 10.48; 95% CI, 5.66 to 19.39), and type 2 diabetes mellitus (T2DM; OR, 19.43; 95% CI, 12.75 to 29.81) in the NAFLD group but not in the non-NAFLD group. The cut-off points for the FFA levels increased in a stepwise manner in discriminating IR, prediabetes and T2DM (573, 697, and 715 μmol/L) in the NAFLD group but not in non-NAFLD individuals.
Conclusion
A distinct dose-dependent relationship of FFA levels was found with IR, prediabetes and T2DM in NAFLD patients. Screening serum FFA levels in NAFLD patients would be valuable in preventing diabetes development.

Citations

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Metabolic Dysfunction-Associated Fatty Liver Disease and Mortality: A Population-Based Cohort Study
Kyung-Soo Kim, Sangmo Hong, Hong-Yup Ahn, Cheol-Young Park
Diabetes & Metabolism Journal.2023; 47(2): 220. CrossRef
Experimental model and novel therapeutic targets for non-alcoholic fatty liver disease development
Yujin Jin, Kyung-Sun Heo
The Korean Journal of Physiology & Pharmacology.2023; 27(4): 299. CrossRef
Triglyceride and glucose index is a simple and easy‐to‐calculate marker associated with nonalcoholic fatty liver disease
Kyung‐Soo Kim, Sangmo Hong, Hong‐Yup Ahn, Cheol‐Young Park
Obesity.2022; 30(6): 1279. CrossRef
Mongolian medicine in treating type 2 diabetes mellitus combined with nonalcoholic fatty liver disease via FXR/LXR-mediated P2X7R/NLRP3/NF-κB pathway activation
Shuyin Bao, Xiuzhi Wang, Qianqian Ma, Chengxi Wei, Jixing Nan, Wuliji Ao
Chinese Herbal Medicines.2022; 14(3): 367. CrossRef
Triglyceride Glucose-Waist Circumference Is Superior to the Homeostasis Model Assessment of Insulin Resistance in Identifying Nonalcoholic Fatty Liver Disease in Healthy Subjects
Hwi Seung Kim, Yun Kyung Cho, Eun Hee Kim, Min Jung Lee, Chang Hee Jung, Joong-Yeol Park, Hong-Kyu Kim, Woo Je Lee
Journal of Clinical Medicine.2021; 11(1): 41. CrossRef

Complications
Albuminuria Is Associated with Steatosis Burden in Patients with Type 2 Diabetes Mellitus and Nonalcoholic Fatty Liver Disease: Eugene Han, Mi Kyung Kim, Byoung Kuk Jang, Hye Soon Kim; Diabetes Metab J. 2021;45(5):698-707. Published online February 2, 2021; DOI: https://doi.org/10.4093/dmj.2020.0118

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Background
This study aimed to investigate the association between hepatic steatosis burden and albuminuria in Korean patients with type 2 diabetes mellitus (T2DM) and nonalcoholic fatty liver disease (NAFLD).
Methods
We recruited 100 patients with both T2DM and NAFLD, but without chronic kidney disease. Albuminuria was defined as a spot urinary albumin-to-creatinine ratio (ACR) ≥30 mg/g. Transient elastography was performed, and the steatosis burden was quantified by controlled attenuation parameter (CAP) with significant steatosis defined as CAP >302 dB/m.
Results
The prevalence of significant steatosis and albuminuria was 56.0% and 21.0%, respectively. Subjects with significant steatosis were significantly younger and had a significantly shorter duration of T2DM, greater waist circumference, and higher body mass index, total cholesterol, triglyceride, and low density lipoprotein cholesterol levels, than subjects without severe NAFLD (all P<0.05). Albuminuria was higher in patients with significant steatosis than in patients without significant steatosis (32.1% vs. 6.8%, P=0.002). Urinary ACR showed a correlation with CAP (r=0.331, P=0.001), and multiple linear regression analysis revealed a significant association between a high degree of albuminuria and high CAP value (r=0.321, P=0.001). Additionally, multivariate logistic regression analysis demonstrated the independent association between urinary ACR and significant steatosis after adjustment for confounding factors including age, body mass index, duration of T2DM, low density lipoprotein level, and renin-angiotensin system blocker use (odds ratio, 1.88; 95% confidence interval, 1.31 to 2.71; P=0.001).
Conclusion
T2DM patients with NAFLD had a higher prevalence of albuminuria, which correlated with their steatosis burden.

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A Novel Anthropometric Parameter, Weight-Adjusted Waist Index Represents Sarcopenic Obesity in Newly Diagnosed Type 2 Diabetes Mellitus
Min Jeong Park, Soon Young Hwang, Nam Hoon Kim, Sin Gon Kim, Kyung Mook Choi, Sei Hyun Baik, Hye Jin Yoo
Journal of Obesity & Metabolic Syndrome.2023; 32(2): 130. CrossRef
Significance of Diabetic Kidney Disease Biomarkers in Predicting Metabolic-Associated Fatty Liver Disease
Jaehyun Bae, Byung-Wan Lee
Biomedicines.2023; 11(7): 1928. CrossRef
Non-alcoholic fatty liver disease and sarcopenia is associated with the risk of albuminuria independent of insulin resistance, and obesity
Eugene Han, Mi Kyung Kim, Seung-Soon Im, Byoung Kuk Jang, Hye Soon Kim
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Development and implementation of patient-level prediction models of end-stage renal disease for type 2 diabetes patients using fast healthcare interoperability resources
San Wang, Jieun Han, Se Young Jung, Tae Jung Oh, Sen Yao, Sanghee Lim, Hee Hwang, Ho-Young Lee, Haeun Lee
Scientific Reports.2022;[Epub] CrossRef
Beyond Liver Disease: Non-Alcoholic Fatty Liver Disease and Advanced Liver Fibrosis in Kidney Disease
Eugene Han
Diabetes & Metabolism Journal.2022; 46(4): 564. CrossRef
Muscle fat contents rather than muscle mass determines nonalcoholic steatohepatitis and liver fibrosis in patients with severe obesity
Eugene Han, Mi Kyung Kim, Hye Won Lee, Seungwan Ryu, Hye Soon Kim, Byoung Kuk Jang, Youngsung Suh
Obesity.2022; 30(12): 2440. CrossRef
Decreased Serum Osteocalcin is an Independent Risk Factor for Metabolic Dysfunction-Associated Fatty Liver Disease in Type 2 Diabetes
Yu-Jie Wang, Chun-Hua Jin, Jiang-Feng Ke, Jun-Wei Wang, Yi-Lin Ma, Jun-Xi Lu, Mei-Fang Li, Lian-Xi Li
Diabetes, Metabolic Syndrome and Obesity: Targets and Therapy.2022; Volume 15: 3717. CrossRef
Albuminuria Is Associated with Steatosis Burden in Patients with Type 2 Diabetes Mellitus and Nonalcoholic Fatty Liver Disease (Diabetes Metab J 2021;45:698-707)
Eugene Han, Hye Soon Kim
Diabetes & Metabolism Journal.2021; 45(6): 972. CrossRef
Albuminuria Is Associated with Steatosis Burden in Patients with Type 2 Diabetes Mellitus and Nonalcoholic Fatty Liver Disease (Diabetes Metab J 2021;45:698-707)
Mi-kyung Kim
Diabetes & Metabolism Journal.2021; 45(6): 968. CrossRef
Liver fibrosis indices are related to diabetic peripheral neuropathy in individuals with type 2 diabetes
Kyuho Kim, Tae Jung Oh, Hyen Chung Cho, Yun Kyung Lee, Chang Ho Ahn, Bo Kyung Koo, Jae Hoon Moon, Sung Hee Choi, Hak Chul Jang
Scientific Reports.2021;[Epub] CrossRef

Metabolic Risk/Epidemiology
Magnetic Resonance-Based Assessments Better Capture Pathophysiologic Profiles and Progression in Nonalcoholic Fatty Liver Disease: Seung Joon Choi, Seong Min Kim, Yun Soo Kim, Oh Sang Kwon, Seung Kak Shin, Kyoung Kon Kim, Kiyoung Lee, Ie Byung Park, Cheol Soo Choi, Dong Hae Chung, Jaehun Jung, MunYoung Paek, Dae Ho Lee; Diabetes Metab J. 2021;45(5):739-752. Published online October 28, 2020; DOI: https://doi.org/10.4093/dmj.2020.0137

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Background
Several noninvasive tools are available for the assessment of nonalcoholic fatty liver disease (NAFLD) including clinical and blood biomarkers, transient elastography (TE), and magnetic resonance imaging (MRI) techniques, such as proton density fat fraction (MRI-PDFF) and magnetic resonance elastography (MRE). In the present study, we aimed to evaluate whether magnetic resonance (MR)-based examinations better discriminate the pathophysiologic features and fibrosis progression in NAFLD than other noninvasive methods.
Methods
A total of 133 subjects (31 healthy volunteers and 102 patients with NAFLD) were subjected to clinical and noninvasive NAFLD evaluation, with additional liver biopsy in some patients (n=54).
Results
MRI-PDFF correlated far better with hepatic fat measured by MR spectroscopy (r=0.978, P<0.001) than with the TE controlled attenuation parameter (CAP) (r=0.727, P<0.001). In addition, MRI-PDFF showed stronger correlations with various pathophysiologic parameters for cellular injury, glucose and lipid metabolism, and inflammation, than the TE-CAP. The MRI-PDFF and TE-CAP cutoff levels associated with abnormal elevation of serum alanine aminotransferase were 9.9% and 270 dB/m, respectively. The MRE liver stiffness measurement (LSM) showed stronger correlations with liver enzymes, platelets, complement component 3, several clinical fibrosis scores, and the enhanced liver fibrosis (ELF) score than the TE-LSM. In an analysis of only biopsied patients, MRE performed better in discriminating advanced fibrosis with a cutoff value of 3.9 kPa than the TE (cutoff 8.1 kPa) and ELF test (cutoff 9.2 kPa).
Conclusion
Our results suggest that MRI-based assessment of NAFLD is the best non-invasive tool that captures the histologic, pathophysiologic and metabolic features of the disease.

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Review

Metabolic Risk/Epidemiology
Nonalcoholic Fatty Liver Disease: A Drug Revolution Is Coming: Soung Won Jeong; Diabetes Metab J. 2020;44(5):640-657. Published online October 21, 2020; DOI: https://doi.org/10.4093/dmj.2020.0115

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The worldwide prevalence of non-alcoholic fatty liver disease is around 25%, and that of nonalcoholic steatohepatitis (NASH) ranges from 1.5% to 6.45%. Patients with NASH, especially those with fibrosis, are at higher risk for adverse outcomes such as cirrhosis and liver-related mortality. Although vitamin E, pioglitazone, and liraglutide improved liver histology in randomized trials, there are currently no Food and Drug Administration-approved drugs for NASH. Five pharmacologic agents—obeticholic acid, elafibranor, cenicriviroc, resmetirom, and aramchol—are being evaluated in large, histology-based phase 3 trials. Within 2 to 4 years, new and effective drugs for the treatment of NASH are expected. Additionally, many phase 2 trials are ongoing for various agents. Based on the results of phase 2 and 3 trials, combination treatments are also being investigated. Future treatment strategies will comprise drug combinations and precision medicine based on the different phenotypes of NASH and treatment response of the individual patient.

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Willy B Theel, Bianca M Boxma-de Klerk, Femme Dirksmeier-Harinck, Elisabeth FC van Rossum, Danny A Kanhai, Jan A Apers, Bas M van Dalen, Robert J De Knegt, Bojou Neecke, Ellen M van der Zwan, Diederick E Grobbee, Thomas Hankemeier, Janneke Wiebolt, Manuel
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