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Tinkov AA, Korobeinikova TV, Morozova GD, Aschner M, Mak DV, Santamaria A, Rocha JBT, Sotnikova TI, Tazina SI, Skalny AV. Association between serum trace element, mineral, and amino acid levels with non-alcoholic fatty liver disease (NAFLD) in adult women. J Trace Elem Med Biol 2024; 83:127397. [PMID: 38290269 DOI: 10.1016/j.jtemb.2024.127397] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Revised: 12/29/2023] [Accepted: 01/13/2024] [Indexed: 02/01/2024]
Abstract
The objective of the present study is assessment of serum trace element and amino acid levels in non-alcoholic fatty liver disease (NAFLD) patients with subsequent evaluation of its independent associations with markers of liver injury and metabolic risk. MATERIALS AND METHODS 140 women aged 20-90 years old with diagnosed NAFLD and 140 healthy women with a respective age range were enrolled in the current study. Analysis of serum and hair levels of trace elements and minerals was performed with inductively-coupled plasma mass-spectrometry (ICP-MS). Serum amino acid concentrations were evaluated by high-pressure liquid chromatography (HPLC) with UV-detection. In addition, routine biochemical parameters including liver damage markers, alanine aminotransferase (ALT) and gamma-glutamyltransferase (GGT), were assessed spectrophotometrically. RESULTS The findings demonstrated that patients with NAFLD were characterized by higher ALT, GGT, lactate dehydrogenase (LDH) and cholinesterase (CE) activity, as well as increased levels of total cholesterol, low-density lipoprotein cholesterol, triglycerides, and uric acid. NAFLD patients were characterized by reduced serum and hair Co, Se, and Zn levels, as well as hair Cu content and serum Mn concentrations in comparison to controls. Circulating Ala, Cit, Glu, Gly, Ile, Leu, Phe, and Tyr levels in NAFLD patients exceeded those in the control group. Multiple linear regression demonstrated that serum and hair trace element levels were significantly associated with circulating amino acid levels after adjustment for age, BMI, and metabolic parameters including liver damage markers. CONCLUSION It is proposed that altered trace element handling may contribute to NAFLD pathogenesis through modulation of amino acid metabolism.
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Affiliation(s)
- Alexey A Tinkov
- Center of Bioelementology and Human Ecology, and World-Class Research Center "Digital Biodesign and Personalized Healthcare", and Department of Therapy of the Institute of Postgraduate Education, IM Sechenov First Moscow State Medical University (Sechenov University), 119435 Moscow, Russia; Laboratory of Ecobiomonitoring and Quality Control, Yaroslavl State University, 150003 Yaroslavl, Russia; Department of Medical Elementology, Peoples' Friendship University of Russia (RUDN University), 117198 Moscow, Russia.
| | - Tatiana V Korobeinikova
- Center of Bioelementology and Human Ecology, and World-Class Research Center "Digital Biodesign and Personalized Healthcare", and Department of Therapy of the Institute of Postgraduate Education, IM Sechenov First Moscow State Medical University (Sechenov University), 119435 Moscow, Russia; Department of Medical Elementology, Peoples' Friendship University of Russia (RUDN University), 117198 Moscow, Russia
| | - Galina D Morozova
- Center of Bioelementology and Human Ecology, and World-Class Research Center "Digital Biodesign and Personalized Healthcare", and Department of Therapy of the Institute of Postgraduate Education, IM Sechenov First Moscow State Medical University (Sechenov University), 119435 Moscow, Russia
| | - Michael Aschner
- Department of Molecular Pharmacology, Albert Einstein College of Medicine, 10461 Bronx, NY, USA
| | - Daria V Mak
- Center of Bioelementology and Human Ecology, and World-Class Research Center "Digital Biodesign and Personalized Healthcare", and Department of Therapy of the Institute of Postgraduate Education, IM Sechenov First Moscow State Medical University (Sechenov University), 119435 Moscow, Russia
| | - Abel Santamaria
- Faculty of Sciencies, National Autonomous University of Mexico, 04510 Mexico City, Mexico
| | - Joao B T Rocha
- Departamento de Bioquímica e Biologia Molecular, CCNE, Universidade Federal de Santa Maria, Santa Maria 97105-900 RS, Brazil
| | - Tatiana I Sotnikova
- Center of Bioelementology and Human Ecology, and World-Class Research Center "Digital Biodesign and Personalized Healthcare", and Department of Therapy of the Institute of Postgraduate Education, IM Sechenov First Moscow State Medical University (Sechenov University), 119435 Moscow, Russia; City Clinical Hospital n. a. S.P. Botkin of the Moscow City Health Department, 125284 Moscow, Russia
| | - Serafima Ia Tazina
- Center of Bioelementology and Human Ecology, and World-Class Research Center "Digital Biodesign and Personalized Healthcare", and Department of Therapy of the Institute of Postgraduate Education, IM Sechenov First Moscow State Medical University (Sechenov University), 119435 Moscow, Russia; City Clinical Hospital n. a. S.P. Botkin of the Moscow City Health Department, 125284 Moscow, Russia
| | - Anatoly V Skalny
- Center of Bioelementology and Human Ecology, and World-Class Research Center "Digital Biodesign and Personalized Healthcare", and Department of Therapy of the Institute of Postgraduate Education, IM Sechenov First Moscow State Medical University (Sechenov University), 119435 Moscow, Russia; Laboratory of Ecobiomonitoring and Quality Control, Yaroslavl State University, 150003 Yaroslavl, Russia; Department of Medical Elementology, Peoples' Friendship University of Russia (RUDN University), 117198 Moscow, Russia
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Xie L, Wang H, Hu J, Liu Z, Hu F. The role of novel adipokines and adipose-derived extracellular vesicles (ADEVs): Connections and interactions in liver diseases. Biochem Pharmacol 2024; 222:116104. [PMID: 38428826 DOI: 10.1016/j.bcp.2024.116104] [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: 10/20/2023] [Revised: 02/01/2024] [Accepted: 02/27/2024] [Indexed: 03/03/2024]
Abstract
Adipose tissues (AT) are an important endocrine organ that secretes various functional adipokines, peptides, non-coding RNAs, and acts on AT themselves or other distant tissues or organs through autocrine, paracrine, or endocrine manners. An accumulating body of evidence has suggested that many adipokines play an important role in liver metabolism. Besides the traditional adipokines such as adiponectin and leptin, many novel adipokines have recently been identified to have regulatory effects on the liver. Additionally, AT can produce extracellular vesicles (EVs) that act on peripheral tissues. However, under pathological conditions, such as obesity and diabetes, dysregulation of adipokines is associated with functional changes in AT, which may cause liver diseases. In this review, we focus on the newly discovered adipokines and EVs secreted by AT and highlight their actions on the liver under the context of obesity, nonalcoholic fatty liver diseases (NAFLD), and some other liver diseases. Clarifying the action of adipokines and adipose tissue-derived EVs on the liver would help to identify novel therapeutic targets or biomarkers for metabolic diseases.
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Affiliation(s)
- Lijun Xie
- National Clinical Research Center for Metabolic Diseases, Key Laboratory of Diabetes Immunology, Ministry of Education, Department of Metabolism and Endocrinology, the Second Xiangya Hospital of Central South University, Changsha 410011, Hunan, China
| | - Huiying Wang
- National Clinical Research Center for Metabolic Diseases, Key Laboratory of Diabetes Immunology, Ministry of Education, Department of Metabolism and Endocrinology, the Second Xiangya Hospital of Central South University, Changsha 410011, Hunan, China
| | - Jinying Hu
- National Clinical Research Center for Metabolic Diseases, Key Laboratory of Diabetes Immunology, Ministry of Education, Department of Metabolism and Endocrinology, the Second Xiangya Hospital of Central South University, Changsha 410011, Hunan, China
| | - Zhuoying Liu
- National Clinical Research Center for Metabolic Diseases, Key Laboratory of Diabetes Immunology, Ministry of Education, Department of Metabolism and Endocrinology, the Second Xiangya Hospital of Central South University, Changsha 410011, Hunan, China; Health Law Research Center, School of Law, Central South University, Changsha, China.
| | - Fang Hu
- National Clinical Research Center for Metabolic Diseases, Key Laboratory of Diabetes Immunology, Ministry of Education, Department of Metabolism and Endocrinology, the Second Xiangya Hospital of Central South University, Changsha 410011, Hunan, China.
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3
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Lu Y, Liu Q, Huang C, Tang X, Wei Y, Mo X, Huang S, Lin Y, Luo T, Gou R, Zhang Z, Qin J, Cai J. Association between plasma and dietary trace elements and obesity in a rural Chinese population. Br J Nutr 2024; 131:123-133. [PMID: 37439087 DOI: 10.1017/s0007114523001435] [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] [Indexed: 07/14/2023]
Abstract
Trace elements may play an important role in obesity. This study aimed to assess the plasma and dietary intake levels of four trace elements, Mn, Cu, Zn and Se in a rural Chinese population, and analyse the relationship between trace elements and obesity. A cross-sectional study involving 2587 participants was conducted. Logistic regression models were used to analyse the association between trace elements and obesity; restricted cubic spline (RCS) models were used to assess the dose-response relationship between trace elements and obesity; the weighted quantile sum (WQS) model was used to examine the potential interaction of four plasma trace elements on obesity. Logistic regression analysis showed that plasma Se concentrations in the fourth quartile (Q4) exhibited a lower risk of developing obesity than the first quartile (Q1) (central obesity: OR = 0·634, P = 0·002; general obesity: OR = 0·525, P = 0·005). Plasma Zn concentration in the third quartile (Q3) showed a lower risk of developing obesity in general obesity compared with the first quartile (Q1) (OR = 0·625, P = 0·036). In general obesity, the risk of morbidity was 1·727 and 1·923 times higher for the second and third (Q2, Q3) quartiles of dietary Mn intake than for Q1, respectively. RCS indicated an inverse U-shaped correlation between plasma Se and obesity. WQS revealed the combined effects of four trace elements were negatively associated with central obesity. Plasma Zn and Se were negatively associated with obesity, and dietary Mn was positively associated with obesity. The combined action of the four plasma trace elements had a negative effect on obesity.
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Affiliation(s)
- Yufu Lu
- School of Public Health, Guangxi Medical University, Shuangyong Road No.22, Nanning530021, Guangxi, People's Republic of China
| | - Qiumei Liu
- School of Public Health, Guangxi Medical University, Shuangyong Road No.22, Nanning530021, Guangxi, People's Republic of China
| | - Chuwu Huang
- School of Public Health, Guangxi Medical University, Shuangyong Road No.22, Nanning530021, Guangxi, People's Republic of China
| | - Xu Tang
- School of Public Health, Guangxi Medical University, Shuangyong Road No.22, Nanning530021, Guangxi, People's Republic of China
| | - Yanfei Wei
- School of Public Health, Guangxi Medical University, Shuangyong Road No.22, Nanning530021, Guangxi, People's Republic of China
| | - Xiaoting Mo
- School of Public Health, Guangxi Medical University, Shuangyong Road No.22, Nanning530021, Guangxi, People's Republic of China
| | - Shenxiang Huang
- School of Public Health, Guangxi Medical University, Shuangyong Road No.22, Nanning530021, Guangxi, People's Republic of China
| | - Yinxia Lin
- School of Public Health, Guangxi Medical University, Shuangyong Road No.22, Nanning530021, Guangxi, People's Republic of China
| | - Tingyu Luo
- School of Public Health, Guilin Medical University, 20 Lequn Road, Guilin, Guangxi, People's Republic of China
| | - Ruoyu Gou
- School of Public Health, Guilin Medical University, 20 Lequn Road, Guilin, Guangxi, People's Republic of China
| | - Zhiyong Zhang
- Guangxi Key Laboratory of Environmental Exposomics and Entire Lifecycle Health, Guilin Medical University, Guilin, Guangxi, People's Republic of China
| | - Jian Qin
- Key Laboratory of Longevity and Aging-related Diseases of Chinese Ministry of Education, Guangxi Medical University, Nanning530021, People's Republic of China
- Guangxi Colleges and Universities Key Laboratory of Prevention and Control of Highly Prevalent Diseases, School of Public Health, Guangxi Medical University, Nanning530021, People's Republic of China
- Guangxi Key Laboratory of Environment and Health Research, Guangxi Medical University, Nanning530021, People's Republic of China
| | - Jiansheng Cai
- School of Public Health, Guilin Medical University, 20 Lequn Road, Guilin, Guangxi, People's Republic of China
- Guangxi Key Laboratory of Tumor Immunology and Microenvironmental Regulation, Guilin Medical University, Guilin, Guangxi, People's Republic of China
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Shigefuku R, Iwasa M, Eguchi A, Tempaku M, Tamai Y, Fujiwara N, Sugimoto R, Tanaka H, Sugimoto K, Kobayashi Y, Nakagawa H. Serum Zinc-α2-glycoprotein Levels Are Associated with the Hepatorenal Function and Predict the Survival in Cases of Chronic Liver Disease. Intern Med 2024; 63:31-41. [PMID: 37225491 PMCID: PMC10824652 DOI: 10.2169/internalmedicine.1475-22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Accepted: 03/20/2023] [Indexed: 05/26/2023] Open
Abstract
Objective Zinc-α2-glycoprotein (ZAG) is secreted by various organs, such as liver, kidney and adipose tissue, is involved in lipolysis, and may contribute to the pathogenesis of chronic liver disease (CLD). We therefore assessed whether or not ZAG is a surrogate marker for the hepatorenal function, body composition and all causes of mortality, as well as complications, including ascites, hepatic encephalopathy (HE) and portosystemic shunts (PSS) in CLD. Methods Serum ZAG levels were measured in 180 CLD patients upon hospital admission. The associations of ZAG levels with the liver functional reserve and clinical parameters were investigated using a multiple regression analysis. Kaplan-Meier analyses were performed to evaluate the associations of the ZAG/creatinine ratio (ZAG/Cr) and prognostic factors with mortality. Results High serum ZAG levels were associated with preserving the liver function and renal insufficiency. A multiple regression analysis showed that the estimated glomerular filtration rate (p<0.0001), albumin-bilirubin (ALBI) score (p=0.0018) and subcutaneous fat area (p=0.0023) had a significant independent correlation with serum ZAG levels. Serum ZAG levels were elevated in the absence of HE (p=0.0023) and PSS (p=0.0003). In all patients and those without hepatocellular carcinoma (HCC), the cumulative mortality rate was significantly decreased in patients with a high ZAG/Cr compared with those with a low ZAG/Cr (p=0.0018 and p=0.0002, respectively). The ZAG/Cr, presence of HCC, ALBI score and psoas muscle index were independent predictors of the prognosis in CLD patients. Conclusion Serum ZAG levels are associated with the hepatorenal function and can be used to predict the survival in CLD patients.
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Affiliation(s)
- Ryuta Shigefuku
- Department of Gastroenterology and Hepatology, Mie University Graduate School of Medicine, Japan
| | - Motoh Iwasa
- Department of Gastroenterology and Hepatology, Mie University Graduate School of Medicine, Japan
| | - Akiko Eguchi
- Department of Gastroenterology and Hepatology, Mie University Graduate School of Medicine, Japan
| | - Mina Tempaku
- Department of Gastroenterology and Hepatology, Mie University Graduate School of Medicine, Japan
| | - Yasuyuki Tamai
- Department of Gastroenterology and Hepatology, Mie University Graduate School of Medicine, Japan
| | - Naoto Fujiwara
- Department of Gastroenterology and Hepatology, Mie University Graduate School of Medicine, Japan
| | - Ryosuke Sugimoto
- Department of Gastroenterology and Hepatology, Mie University Graduate School of Medicine, Japan
| | - Hideaki Tanaka
- Department of Gastroenterology and Hepatology, Mie University Graduate School of Medicine, Japan
| | - Kazushi Sugimoto
- Department of Gastroenterology and Hepatology, Mie University Graduate School of Medicine, Japan
| | - Yoshinao Kobayashi
- Department of Gastroenterology and Hepatology, Mie University Graduate School of Medicine, Japan
| | - Hayato Nakagawa
- Department of Gastroenterology and Hepatology, Mie University Graduate School of Medicine, Japan
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Wang YD, Wu LL, Mai YN, Wang K, Tang Y, Wang QY, Li JY, Jiang LY, Liao ZZ, Hu C, Wang YY, Liu JJ, Liu JH, Xiao XH. miR-32-5p induces hepatic steatosis and hyperlipidemia by triggering de novo lipogenesis. Metabolism 2023:155660. [PMID: 37451670 DOI: 10.1016/j.metabol.2023.155660] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Revised: 07/07/2023] [Accepted: 07/10/2023] [Indexed: 07/18/2023]
Abstract
BACKGROUND AND OBJECTIVES MicroRNA-dependent regulation of hepatic lipid metabolism has been recognized recently as a key pathological mechanism contributing to the development of NAFLD. However, whether miR-32-5p (miR-32) plays a role in lipid metabolism or contributes to NAFLD remains unclear. METHODS AND RESULTS A marked increase in miR-32 expression was observed in liver samples from patients and mice with NAFLD, as well as in palmitate-induced hepatocytes. Hepatocyte-specific miR-32 knockout (miR-32-HKO) dramatically ameliorated hepatic steatosis and metabolic disorders in high-fat diet-fed mice. Conversely, hepatic miR-32 overexpression markedly exacerbated the progression of these abnormalities. Further, combinational analysis of transcriptomics and lipidomics suggested that miR-32 was a key trigger for de novo lipogenesis in the liver. Mechanistically, RNA sequencing, luciferase assay and adenovirus-mediated downstream gene rescue assay demonstrated that miR-32 directly bound to INSIG1 and subsequently activated sterol regulatory element binding protein-mediated lipogenic gene programs, thereby promoting hepatic lipid accumulation and metabolic disorders. Notably, pharmacological administration of miR-32 antagonist significantly inhibited PA-induced triglyceride deposition in hepatocytes and markedly mitigated hepatic steatosis and metabolic abnormalities in obesity-associated NAFLD mice. CONCLUSION miR-32 is an important checkpoint for lipogenesis in the liver, and targeting miR-32 could be a promising therapeutic approach for NAFLD treatment.
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Affiliation(s)
- Ya-Di Wang
- The First Affiliated Hospital, Department of Metabolism and Endocrinology, Hengyang Medical School, University of South China, Hengyang, Hunan 421001, China
| | - Liang-Liang Wu
- The First Affiliated Hospital, Department of Gastrointestinal Surgery, Hengyang Medical School, University of South China, Hengyang, Hunan 421001, China
| | - Yun-Ni Mai
- The First Affiliated Hospital, Department of Metabolism and Endocrinology, Hengyang Medical School, University of South China, Hengyang, Hunan 421001, China
| | - Kai Wang
- The First Affiliated Hospital, Department of Metabolism and Endocrinology, Hengyang Medical School, University of South China, Hengyang, Hunan 421001, China
| | - Yi Tang
- The First Affiliated Hospital, Department of Metabolism and Endocrinology, Hengyang Medical School, University of South China, Hengyang, Hunan 421001, China
| | - Qi-Yu Wang
- The First Affiliated Hospital, Department of Metabolism and Endocrinology, Hengyang Medical School, University of South China, Hengyang, Hunan 421001, China
| | - Jiao-Yang Li
- The First Affiliated Hospital, Department of Metabolism and Endocrinology, Hengyang Medical School, University of South China, Hengyang, Hunan 421001, China
| | - Li-Yan Jiang
- The First Affiliated Hospital, Department of Metabolism and Endocrinology, Hengyang Medical School, University of South China, Hengyang, Hunan 421001, China
| | - Zhe-Zhen Liao
- The First Affiliated Hospital, Department of Metabolism and Endocrinology, Hengyang Medical School, University of South China, Hengyang, Hunan 421001, China
| | - Can Hu
- The First Affiliated Hospital, Department of Metabolism and Endocrinology, Hengyang Medical School, University of South China, Hengyang, Hunan 421001, China
| | - Yuan-Yuan Wang
- The First Affiliated Hospital, Department of Metabolism and Endocrinology, Hengyang Medical School, University of South China, Hengyang, Hunan 421001, China
| | - Jing-Jing Liu
- The First Affiliated Hospital, Department of Metabolism and Endocrinology, Hengyang Medical School, University of South China, Hengyang, Hunan 421001, China
| | - Jiang-Hua Liu
- The First Affiliated Hospital, Department of Metabolism and Endocrinology, Hengyang Medical School, University of South China, Hengyang, Hunan 421001, China.
| | - Xin-Hua Xiao
- The First Affiliated Hospital, Department of Metabolism and Endocrinology, Hengyang Medical School, University of South China, Hengyang, Hunan 421001, China.
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Martínez-Montoro JI, Ocaña-Wilhelmi L, Soler-Humanes R, Motahari-Rad H, González-Jiménez A, Rivas-Becerra J, Rodríguez-Muñoz A, Moreno-Ruiz FJ, Tomé M, Rodríguez-Capitán J, García-Fuentes E, Tinahones FJ, Garrido-Sánchez L, Murri M. Evaluation of Adipose Tissue Zinc-Alpha 2-Glycoprotein Gene Expression and Its Relationship with Metabolic Status and Bariatric Surgery Outcomes in Patients with Class III Obesity. Biomedicines 2022; 10:biomedicines10071502. [PMID: 35884810 PMCID: PMC9312495 DOI: 10.3390/biomedicines10071502] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Revised: 06/17/2022] [Accepted: 06/23/2022] [Indexed: 11/23/2022] Open
Abstract
Zinc-α2 glycoprotein (ZAG) is an adipokine involved in adipocyte metabolism with potential implications in the pathogenesis of metabolic disorders. Our aim was to evaluate the relationship between visceral (VAT) and subcutaneous adipose tissue (SAT) ZAG expression and metabolic parameters in patients with class III obesity, along with the impact of basal ZAG expression on short- and medium-term outcomes related to bariatric surgery. 41 patients with class III obesity who underwent bariatric surgery were included in this study. ZAG gene expression was quantified in SAT and VAT. Patients were classified into two groups according to SAT and VAT ZAG percentile. Anthropometric and biochemical variables were obtained before and 15 days, 45 days, and 1 year after surgery. The lower basal SAT ZAG expression percentile was associated with higher weight and waist circumference, while the lower basal VAT ZAG expression percentile was associated with higher weight, waist circumference, insulin, insulin resistance, and the presence of metabolic syndrome. Basal SAT ZAG expression was inversely related to weight loss at 45 days after surgery, whereas no associations were found between basal VAT ZAG expression and weight loss after surgery. Additionally, a negative association was observed between basal SAT and VAT ZAG expression and the decrease of gamma-glutamyl transferase after bariatric surgery. Therefore, lower SAT and VAT ZAG expression levels were associated with an adverse metabolic profile. However, this fact did not seem to confer worse bariatric surgery-related outcomes. Further research is needed to assess the clinical significance of the role of ZAG expression levels in the dynamics of hepatic enzymes after bariatric surgery.
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Affiliation(s)
- José Ignacio Martínez-Montoro
- Clinical Management Unit (UGC) of Endocrinology and Nutrition, Virgen de la Victoria University Hospital, 29010 Malaga, Spain; (J.I.M.-M.); (L.G.-S.); (M.M.)
- Instituto de Investigación Biomédica de Malaga (IBIMA), 29010 Malaga, Spain; (M.T.); (J.R.-C.)
- Faculty of Medicine, University of Malaga, 29010 Malaga, Spain;
| | - Luis Ocaña-Wilhelmi
- Clinical Management Unit (UGC) of General and Digestive Surgery, Virgen de la Victoria University Hospital, 29010 Malaga, Spain; (L.O.-W.); (R.S.-H.)
| | - Rocío Soler-Humanes
- Clinical Management Unit (UGC) of General and Digestive Surgery, Virgen de la Victoria University Hospital, 29010 Malaga, Spain; (L.O.-W.); (R.S.-H.)
| | - Hanieh Motahari-Rad
- Department of Molecular Genetics, Faculty of Biological Sciences, Tarbiat Modares University, Tehran 14117-13116, Iran;
| | - Andrés González-Jiménez
- Common Support Structures (ECAI) Bioinformática, Instituto de Investigación Biomédica de Malaga (IBIMA), 29010 Malaga, Spain;
| | - José Rivas-Becerra
- Department of General, Digestive and Transplant Surgery, Regional University Hospital of Malaga, 29010 Malaga, Spain; (J.R.-B.); (F.J.M.-R.)
| | | | - Francisco J. Moreno-Ruiz
- Department of General, Digestive and Transplant Surgery, Regional University Hospital of Malaga, 29010 Malaga, Spain; (J.R.-B.); (F.J.M.-R.)
| | - Mónica Tomé
- Instituto de Investigación Biomédica de Malaga (IBIMA), 29010 Malaga, Spain; (M.T.); (J.R.-C.)
- Department of Endocrinology and Nutrition, Regional University Hospital of Malaga, 29010 Malaga, Spain
| | - Jorge Rodríguez-Capitán
- Instituto de Investigación Biomédica de Malaga (IBIMA), 29010 Malaga, Spain; (M.T.); (J.R.-C.)
- Clinical Management Unit (UGC) of Heart, Virgen de la Victoria University Hospital, 29010 Malaga, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Cardiovasculares (CIBEROBN), Instituto de Salud Carlos III, 28029 Madrid, Spain
| | - Eduardo García-Fuentes
- Instituto de Investigación Biomédica de Malaga (IBIMA), 29010 Malaga, Spain; (M.T.); (J.R.-C.)
- Department of Gastroenterology, Virgen de la Victoria University Hospital, 29010 Malaga, Spain
- Correspondence: (E.G.-F.); (F.J.T.)
| | - Francisco J. Tinahones
- Clinical Management Unit (UGC) of Endocrinology and Nutrition, Virgen de la Victoria University Hospital, 29010 Malaga, Spain; (J.I.M.-M.); (L.G.-S.); (M.M.)
- Instituto de Investigación Biomédica de Malaga (IBIMA), 29010 Malaga, Spain; (M.T.); (J.R.-C.)
- Faculty of Medicine, University of Malaga, 29010 Malaga, Spain;
- Centro de Investigación Biomédica en Red de la Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III, 28029 Madrid, Spain
- Correspondence: (E.G.-F.); (F.J.T.)
| | - Lourdes Garrido-Sánchez
- Clinical Management Unit (UGC) of Endocrinology and Nutrition, Virgen de la Victoria University Hospital, 29010 Malaga, Spain; (J.I.M.-M.); (L.G.-S.); (M.M.)
- Instituto de Investigación Biomédica de Malaga (IBIMA), 29010 Malaga, Spain; (M.T.); (J.R.-C.)
- Centro de Investigación Biomédica en Red de la Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III, 28029 Madrid, Spain
| | - Mora Murri
- Clinical Management Unit (UGC) of Endocrinology and Nutrition, Virgen de la Victoria University Hospital, 29010 Malaga, Spain; (J.I.M.-M.); (L.G.-S.); (M.M.)
- Instituto de Investigación Biomédica de Malaga (IBIMA), 29010 Malaga, Spain; (M.T.); (J.R.-C.)
- Centro de Investigación Biomédica en Red de la Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III, 28029 Madrid, Spain
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New insight of obesity-associated NAFLD: Dysregulated “crosstalk” between multi-organ and the liver? Genes Dis 2022. [DOI: 10.1016/j.gendis.2021.12.013] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
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Sun Y, Zhou J, Ye K. Extensive Mendelian randomization study identifies potential causal risk factors for severe COVID-19. COMMUNICATIONS MEDICINE 2021; 1:59. [PMID: 35602208 PMCID: PMC9053245 DOI: 10.1038/s43856-021-00061-9] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2021] [Accepted: 11/19/2021] [Indexed: 12/22/2022] Open
Abstract
Background Identifying causal risk factors for severe coronavirus disease 2019 (COVID-19) is critical for its prevention and treatment. Many associated pre-existing conditions and biomarkers have been reported, but these observational associations suffer from confounding and reverse causation. Methods Here, we perform a large-scale two-sample Mendelian randomization (MR) analysis to evaluate the causal roles of many traits in severe COVID-19. Results Our results highlight multiple body mass index (BMI)-related traits as risk-increasing: BMI (OR: 1.89, 95% CI: 1.51-2.37), hip circumference (OR: 1.46, 1.15-1.85), and waist circumference (OR: 1.82, 1.36-2.43). Our multivariable MR analysis further suggests that the BMI-related effect might be driven by fat mass (OR: 1.63, 1.03-2.58), but not fat-free mass (OR: 1.00, 0.61-1.66). Several white blood cell counts are negatively associated with severe COVID-19, including those of neutrophils (OR: 0.76, 0.61-0.94), granulocytes (OR: 0.75, 0.601-0.93), and myeloid white blood cells (OR: 0.77, 0.62-0.96). Furthermore, some circulating proteins are associated with an increased risk of (e.g., zinc-alpha-2-glycoprotein) or protection from severe COVID-19 (e.g., prostate-associated microseminoprotein). Conclusions Our study suggests that fat mass and white blood cells might be involved in the development of severe COVID-19. It also prioritizes potential risk and protective factors that might serve as drug targets and guide the effective protection of high-risk individuals.
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Affiliation(s)
- Yitang Sun
- Department of Genetics, Franklin College of Arts and Sciences, University of Georgia, Athens, GA USA
| | - Jingqi Zhou
- Department of Genetics, Franklin College of Arts and Sciences, University of Georgia, Athens, GA USA
- School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Kaixiong Ye
- Department of Genetics, Franklin College of Arts and Sciences, University of Georgia, Athens, GA USA
- Institute of Bioinformatics, University of Georgia, Athens, GA USA
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Coni P, Pichiri G, Lachowicz JI, Ravarino A, Ledda F, Fanni D, Gerosa C, Piras M, Coghe F, Gibo Y, Cau F, Castagnola M, Van Eyken P, Saba L, Piludu M, Faa G. Zinc as a Drug for Wilson's Disease, Non-Alcoholic Liver Disease and COVID-19-Related Liver Injury. Molecules 2021; 26:6614. [PMID: 34771023 PMCID: PMC8587580 DOI: 10.3390/molecules26216614] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2021] [Accepted: 10/29/2021] [Indexed: 02/07/2023] Open
Abstract
Zinc is the second most abundant trace element in the human body, and it plays a fundamental role in human physiology, being an integral component of hundreds of enzymes and transcription factors. The discovery that zinc atoms may compete with copper for their absorption in the gastrointestinal tract let to introduce zinc in the therapy of Wilson's disease, a congenital disorder of copper metabolism characterized by a systemic copper storage. Nowadays, zinc salts are considered one of the best therapeutic approach in patients affected by Wilson's disease. On the basis of the similarities, at histological level, between Wilson's disease and non-alcoholic liver disease, zinc has been successfully introduced in the therapy of non-alcoholic liver disease, with positive effects both on insulin resistance and oxidative stress. Recently, zinc deficiency has been indicated as a possible factor responsible for the susceptibility of elderly patients to undergo infection by SARS-CoV-2, the coronavirus responsible for the COVID-19 pandemic. Here, we present the data correlating zinc deficiency with the insurgence and progression of Covid-19 with low zinc levels associated with severe disease states. Finally, the relevance of zinc supplementation in aged people at risk for SARS-CoV-2 is underlined, with the aim that the zinc-based drug, classically used in the treatment of copper overload, might be recorded as one of the tools reducing the mortality of COVID-19, particularly in elderly people.
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Affiliation(s)
- Pierpaolo Coni
- Department of Medical Sciences and Public Health, University of Cagliari, 09042 Monserrato, Italy; (P.C.); (A.R.); (F.L.); (D.F.); (C.G.); (M.P.); (F.C.); (G.F.)
| | - Giuseppina Pichiri
- Department of Medical Sciences and Public Health, University of Cagliari, 09042 Monserrato, Italy; (P.C.); (A.R.); (F.L.); (D.F.); (C.G.); (M.P.); (F.C.); (G.F.)
| | - Joanna Izabela Lachowicz
- Department of Medical Sciences and Public Health, University of Cagliari, 09042 Monserrato, Italy; (P.C.); (A.R.); (F.L.); (D.F.); (C.G.); (M.P.); (F.C.); (G.F.)
| | - Alberto Ravarino
- Department of Medical Sciences and Public Health, University of Cagliari, 09042 Monserrato, Italy; (P.C.); (A.R.); (F.L.); (D.F.); (C.G.); (M.P.); (F.C.); (G.F.)
| | - Francesca Ledda
- Department of Medical Sciences and Public Health, University of Cagliari, 09042 Monserrato, Italy; (P.C.); (A.R.); (F.L.); (D.F.); (C.G.); (M.P.); (F.C.); (G.F.)
| | - Daniela Fanni
- Department of Medical Sciences and Public Health, University of Cagliari, 09042 Monserrato, Italy; (P.C.); (A.R.); (F.L.); (D.F.); (C.G.); (M.P.); (F.C.); (G.F.)
| | - Clara Gerosa
- Department of Medical Sciences and Public Health, University of Cagliari, 09042 Monserrato, Italy; (P.C.); (A.R.); (F.L.); (D.F.); (C.G.); (M.P.); (F.C.); (G.F.)
| | - Monica Piras
- Department of Medical Sciences and Public Health, University of Cagliari, 09042 Monserrato, Italy; (P.C.); (A.R.); (F.L.); (D.F.); (C.G.); (M.P.); (F.C.); (G.F.)
| | - Ferdinando Coghe
- Dipartimento Servizi di Diagnosi e Cura, Azienda Ospedaliero-Universitaria di Cagliari (A.O.U.), University of Cagliari, 09024 Cagliari, Italy;
| | - Yukio Gibo
- Hepatology Clinic, 1-34-20 Muraimachiminami, Matsumoto, Nagano 399-0036, Japan;
| | - Flaviana Cau
- Department of Medical Sciences and Public Health, University of Cagliari, 09042 Monserrato, Italy; (P.C.); (A.R.); (F.L.); (D.F.); (C.G.); (M.P.); (F.C.); (G.F.)
| | - Massimo Castagnola
- Laboratorio di Proteomica e Metabonomica-Istituto di Ricovero e Cura a Carattere Scientifico Fondazione Santa Lucia, 00013 Rome, Italy;
| | - Peter Van Eyken
- Department of Pathology, Genk Regional Ziekenhuis, 3600 Genk, Belgium;
| | - Luca Saba
- Department of Radiology, Azienda Ospedaliero Universitaria (A.O.U.), di Cagliari—Polo di Monserrato s.s. 554, 09045 Monserrato, Italy;
| | - Marco Piludu
- Department of Biomedical Sciences, University of Cagliari, 09042 Monserrato, Italy;
| | - Gavino Faa
- Department of Medical Sciences and Public Health, University of Cagliari, 09042 Monserrato, Italy; (P.C.); (A.R.); (F.L.); (D.F.); (C.G.); (M.P.); (F.C.); (G.F.)
- UOC Anatomia Patologica, AOU Cagliari, University of Cagliari, 09124 Cagliari, Italy
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Namkhah Z, Naeini F, Ostadrahimi A, Tutunchi H, Hosseinzadeh-Attar MJ. The association of the adipokine zinc-alpha2-glycoprotein with non-alcoholic fatty liver disease and related risk factors: A comprehensive systematic review. Int J Clin Pract 2021; 75:e13985. [PMID: 33404166 DOI: 10.1111/ijcp.13985] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/21/2020] [Accepted: 01/03/2021] [Indexed: 11/28/2022] Open
Abstract
BACKGROUND AND AIM The adipokine zinc-alpha2-glycoprotein (ZAG), a multidisciplinary protein, is involved in lipid metabolism, glucose homeostasis and energy balance. Accumulating evidence demonstrates that the expression of ZAG is mainly downregulated in obesity and obesity-related conditions. In the present study, we assessed the association of ZAG with non-alcoholic fatty liver disease (NAFLD) and the related risk factors including obesity, metabolic factors and inflammatory parameters, with emphasis on potential mechanisms underlying these associations. METHODS PRISMA guidelines were followed in this review. Systematic searches were performed using the PubMed/Medline, ScienceDirect, Scopus, EMBASE, ProQuest and Google Scholar databases, up to August 2020 for all relevant published papers. RESULTS Out of 362 records screened, 34 articles were included in the final analysis. According to the studies reviewed here, ZAG appears to exert a protective effect against NAFLD by enhancing mRNA expression levels of peroxisome proliferator-activated receptor α (PPARα) and PPARγ, promoting mRNA expression levels of the lipolysis-related genes, reducing mRNA expression levels of the lipogenesis-related genes, increasing hepatic fatty acid oxidation, ameliorating hepatic steatosis, promoting the activity of brown adipose tissue and the expression of thermogenesis-related genes, modulating energy balance and glucose homeostasis, and elevating plasma levels of healthy adipokines such as adiponectin. ZAG can also be involved in the regulation of inflammatory responses by attenuation of the expression of pro-inflammatory and pro-fibrotic mediators. CONCLUSION According to the studies reviewed here, ZAG is suggested to be a promising therapeutic target for NAFLD. However, the favourable effects of ZAG need to be confirmed in prospective cohort studies.
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Affiliation(s)
- Zahra Namkhah
- Department of Clinical Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Science, Tehran, Iran
| | - Fatemeh Naeini
- Department of Clinical Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Science, Tehran, Iran
| | - Alireza Ostadrahimi
- Nutrition Research Center, Department of Clinical Nutrition, School of Nutrition & Food Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Helda Tutunchi
- Nutrition Research Center, Department of Clinical Nutrition, School of Nutrition & Food Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
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Abstract
Since the discovery of manifest Zn deficiency in 1961, the increasing number of studies demonstrated the association between altered Zn status and multiple diseases. In this chapter, we provide a review of the most recent advances on the role of Zn in health and disease (2010-20), with a special focus on the role of Zn in neurodegenerative and neurodevelopmental disorders, diabetes and obesity, male and female reproduction, as well as COVID-19. In parallel with the revealed tight association between ASD risk and severity and Zn status, the particular mechanisms linking Zn2+ and ASD pathogenesis like modulation of synaptic plasticity through ProSAP/Shank scaffold, neurotransmitter metabolism, and gut microbiota, have been elucidated. The increasing body of data indicate the potential involvement of Zn2+ metabolism in neurodegeneration. Systemic Zn levels in Alzheimer's and Parkinson's disease were found to be reduced, whereas its sequestration in brain may result in modulation of amyloid β and α-synuclein processing with subsequent toxic effects. Zn2+ was shown to possess adipotropic effects through the role of zinc transporters, zinc finger proteins, and Zn-α2-glycoprotein in adipose tissue physiology, underlying its particular role in pathogenesis of obesity and diabetes mellitus type 2. Recent findings also contribute to further understanding of the role of Zn2+ in spermatogenesis and sperm functioning, as well as oocyte development and fertilization. Finally, Zn2+ was shown to be the potential adjuvant therapy in management of novel coronavirus infection (COVID-19), underlining the perspectives of zinc in management of old and new threats.
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Affiliation(s)
- Anatoly V Skalny
- IM Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia; Yaroslavl State University, Yaroslavl, Russia
| | - Michael Aschner
- IM Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia; Department of Molecular Pharmacology, Albert Einstein College of Medicine, Bronx, NY, United States
| | - Alexey A Tinkov
- IM Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia; Yaroslavl State University, Yaroslavl, Russia.
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12
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13
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Kovács D, Fazekas F, Oláh A, Törőcsik D. Adipokines in the Skin and in Dermatological Diseases. Int J Mol Sci 2020; 21:ijms21239048. [PMID: 33260746 PMCID: PMC7730960 DOI: 10.3390/ijms21239048] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2020] [Revised: 11/24/2020] [Accepted: 11/25/2020] [Indexed: 12/12/2022] Open
Abstract
Adipokines are the primary mediators of adipose tissue-induced and regulated systemic inflammatory diseases; however, recent findings revealed that serum levels of various adipokines correlate also with the onset and the severity of dermatological diseases. Importantly, further data confirmed that the skin serves not only as a target for adipokine signaling, but may serve as a source too. In this review, we aim to provide a complex overview on how adipokines may integrate into the (patho) physiological conditions of the skin by introducing the cell types, such as keratinocytes, fibroblasts, and sebocytes, which are known to produce adipokines as well as the signals that target them. Moreover, we discuss data from in vivo and in vitro murine and human studies as well as genetic data on how adipokines may contribute to various aspects of the homeostasis of the skin, e.g., melanogenesis, hair growth, or wound healing, just as to the pathogenesis of dermatological diseases such as psoriasis, atopic dermatitis, acne, rosacea, and melanoma.
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Affiliation(s)
- Dóra Kovács
- Department of Dermatology, Faculty of Medicine, University of Debrecen, Nagyerdei krt. 98., 4032 Debrecen, Hungary; (D.K.); (F.F.)
| | - Fruzsina Fazekas
- Department of Dermatology, Faculty of Medicine, University of Debrecen, Nagyerdei krt. 98., 4032 Debrecen, Hungary; (D.K.); (F.F.)
| | - Attila Oláh
- Department of Physiology, Faculty of Medicine, University of Debrecen, Nagyerdei krt. 98., 4032 Debrecen, Hungary;
| | - Dániel Törőcsik
- Department of Dermatology, Faculty of Medicine, University of Debrecen, Nagyerdei krt. 98., 4032 Debrecen, Hungary; (D.K.); (F.F.)
- Correspondence: ; Tel.: +36-52-255-602
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14
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Moh A, Seah N, Low S, Ang K, Sum CF, Subramaniam T, Kwan PY, Lee S, Tang WE, Lim SC. Zinc-α2-glycoprotein is associated with non-albuminuric chronic kidney disease progression in type 2 diabetes: a retrospective study with 4-year follow-up. Diabet Med 2020; 37:1919-1926. [PMID: 32353891 DOI: 10.1111/dme.14313] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 04/27/2020] [Indexed: 12/11/2022]
Abstract
AIM To investigate the association between baseline plasma zinc-α2-glycoprotein and non-albuminuric chronic kidney disease progression in type 2 diabetes. METHODS Adults with normoalbuminuria at entry (n=341; age 57±10 years, 52% men) were analysed. Chronic kidney disease progression was defined as a decrease in chronic kidney disease stage and a decline of ≥25% in estimated GFR from baseline. Baseline plasma zinc-α2-glycoprotein levels were quantified by immunoassay, and analysed either as a continuous variable or by tertiles in Cox proportional hazards models. Model discrimination was assessed using Harrell's C-index. A sensitivity analysis was performed on a subset of individuals who maintained normoalbuminuria during follow-up. RESULTS Chronic kidney disease progression occurred in 54 participants (16%). Zinc-α2-glycoprotein levels were elevated in chronic kidney disease progressors (P = 0.011), and more progressors were assigned to the higher zinc-α2-glycoprotein tertile than non-progressors. In the unadjusted Cox model, zinc-α2-glycoprotein, both as a continuous variable (hazard ratio 1.72, 95% CI 1.08-2.75) and tertile 3 (vs tertile 1; hazard ratio 2.14, 95% CI 1.10-4.17), predicted chronic kidney disease progression. The association persisted after multivariable adjustment. The C-index of the Cox model increased significantly after incorporation of zinc-α2-glycoprotein into a base model comprising renin-angiotensin system antagonist usage. Sensitivity analysis showed that zinc-α2-glycoprotein independently predicted chronic kidney disease progression among individuals who maintained normoalbuminuria during follow-up. CONCLUSIONS Plasma zinc-α2-glycoprotein is associated with chronic kidney disease progression, and may serve as a useful early biomarker for predicting non-albuminuric chronic kidney disease progression in type 2 diabetes.
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Affiliation(s)
- A Moh
- Clinical Research Unit, Khoo Teck Puat Hospital, Singapore
| | - N Seah
- Clinical Research Unit, Khoo Teck Puat Hospital, Singapore
| | - S Low
- Clinical Research Unit, Khoo Teck Puat Hospital, Singapore
- Diabetes Centre, Admiralty Medical Centre, Khoo Teck Puat Hospital, Singapore
| | - K Ang
- Clinical Research Unit, Khoo Teck Puat Hospital, Singapore
| | - C F Sum
- Diabetes Centre, Admiralty Medical Centre, Khoo Teck Puat Hospital, Singapore
| | - T Subramaniam
- Clinical Research Unit, Khoo Teck Puat Hospital, Singapore
- Diabetes Centre, Admiralty Medical Centre, Khoo Teck Puat Hospital, Singapore
| | - P Y Kwan
- National Healthcare Group Polyclinics, Singapore
| | - S Lee
- National Healthcare Group Polyclinics, Singapore
| | - W E Tang
- National Healthcare Group Polyclinics, Singapore
| | - S C Lim
- Clinical Research Unit, Khoo Teck Puat Hospital, Singapore
- Diabetes Centre, Admiralty Medical Centre, Khoo Teck Puat Hospital, Singapore
- Saw Swee Hock School of Public Health, National University Hospital, Singapore
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15
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Tang C, Li X, Tang S, Wang Y, Tan X. Association between circulating zinc-α2-glycoprotein levels and the different phenotypes of polycystic ovary syndrome. Endocr J 2020; 67:249-255. [PMID: 31748429 DOI: 10.1507/endocrj.ej18-0506] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Polycystic ovary syndrome (PCOS) diagnosis combines various clinical phenotypes. The definition of PCOS is still controversial because insulin resistance (IR) and dysmetabolism do not constitute PCOS diagnostic criteria. We analyzed whether a circulating biomarker zinc-α2-glycoprotein (ZAG) related to IR and metabolic dysfunction can predict PCOS phenotypes. We then recruited 100 PCOS patients and 99 healthy women as the control group to assess the relationship between ZAG and metabolic characteristics. The euglycemic-hyperinsulinemic clamp helped assess insulin sensitivity, and the enzyme immunometric assay was deployed for ZAG levels. Our PCOS cohort presented sixty-nine patients with hyperandrogenism, eighty-six patients with chronic oligoanovulation, and eighty-one patients with polycystic ovaries by ultrasonographic evaluation. Additionally, the circulating ZAG levels were considerably reduced in all PCOS patients compared with healthy women (p < 0.05 or p < 0.01). Additionally, sixty-nine PCOS patients had IR, and circulating ZAG levels were also different among the phenotypes. Furthermore, the normoandrogenic type specifically exhibited the highest circulating ZAG levels among all PCOS phenotypes (p < 0.05 or p < 0.01). Additionally, normoandrogenic phenotype patients had reduced HOMA-IR scores and greater M-values than those in the classic phenotypes (p < 0.05). The circulating ZAG levels, however, were not associated with oligoanovulation but were correlated with hyperandrogenism and PCO morphology. In summary, circulating ZAG levels serve as suitable PCOS phenotype biomarkers, aiding physicians to identify women who merit screening.
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Affiliation(s)
- Chenchen Tang
- Department of Endocrinology, 9th People's Hospital of Chongqing, Beibei City, Chongqong, 400700, China
| | - Xiaoqiang Li
- Department of Clinical Laboratory, Children's Hospital of Chongqing Medical University, Yuzhong City, Chongqing 400014, China
| | - Shiguo Tang
- Department of Endocrinology, 9th People's Hospital of Chongqing, Beibei City, Chongqong, 400700, China
| | - Yi Wang
- Department of Endocrinology, 9th People's Hospital of Chongqing, Beibei City, Chongqong, 400700, China
| | - Xingrong Tan
- Department of Endocrinology, 9th People's Hospital of Chongqing, Beibei City, Chongqong, 400700, China
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PTUPB ameliorates high-fat diet-induced non-alcoholic fatty liver disease via inhibiting NLRP3 inflammasome activation in mice. Biochem Biophys Res Commun 2020; 523:1020-1026. [PMID: 31973813 DOI: 10.1016/j.bbrc.2019.12.131] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2019] [Accepted: 12/31/2019] [Indexed: 02/06/2023]
Abstract
Non-alcoholic fatty liver disease (NAFLD) affects 25% of the global adult population, and no effective pharmacological treatment has been found. Products of arachidonic acid metabolism have been developed into a novel therapy for metabolic syndrome and diabetes. It has been demonstrated that protective actions of a novel dual cyclooxygenase-2 (COX-2) and soluble epoxide hydrolase (sEH) inhibitor, PTUPB, on the metabolic abnormalities. Here, we investigated the effects of PTUPB on hepatic steatosis in high-fat diet (HFD)-induced obese mice, as well as in hepatocytes in vitro. We found that PTUPB treatment reduced body weight, liver weight, liver triglyceride and cholesterol content, and the expression of lipolytic/lipogenic and lipid uptake related genes (Acc, Cd36, and Cidec) in HFD mice. In addition, PTUPB treatment arrested fibrotic progression with a decrease of collagen deposition and expression of Col1a1, Col1a3, and α-SMA. In vitro, PTUPB decreased palmitic acid-induced lipid deposition and downregulation of lipolytic/lipogenic genes (Acc and Cd36) in hepatocytes. Additionally, we found that PTUPB reduced the production of pro-inflammatory cytokines and suppressed the NLRP3 inflammasome activation in HFD mice and hepatocytes. In conclusion, dual inhibition of COX-2/sEH attenuates hepatic steatosis by inhibiting the NLRP3 inflammasome activation. PTUPB might be a promising potential therapy for liver steatosis associated with obesity.
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Wang L, Liu M, Ning D, Zhu H, Shan G, Wang D, Ping B, Yu Y, Yang H, Yan K, Pan H, Gong F. Low Serum ZAG Levels Correlate With Determinants of the Metabolic Syndrome in Chinese Subjects. Front Endocrinol (Lausanne) 2020; 11:154. [PMID: 32265843 PMCID: PMC7105689 DOI: 10.3389/fendo.2020.00154] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/29/2019] [Accepted: 03/05/2020] [Indexed: 12/11/2022] Open
Abstract
Introduction: Zinc-α2-glycoprotein (ZAG) is a novel adipokine, which is involved in metabolic syndrome (MetS). This study aimed to investigate the relationship between serum ZAG and MetS in Chinese adults, who diagnosed according to the 2005 International Diabetes Federation (IDF) criteria. Methods: A group of 151 MetS patients, 84 patients with central obesity and 70 healthy controls were enrolled. General clinical information, serum samples were obtained from all subjects and serum ZAG levels were determined via the commercial ELISA kits. Results: Serum ZAG levels were the highest in the control group, then gradually decreased with the severity of the metabolic abnormalities increased (8.78 ± 1.66 μg/mL for control vs. 8.37 ± 1.52 μg/mL for central obesity vs. 7.98 ± 0.94 μg/mL for MetS, P < 0.05). It was also decreased progressively with an increasing number of the MetS components (P for trend = 0.002). Additionally, serum ZAG/fat mass ratio was calculated and the similar changes were observed in the three groups (0.85 ± 0.53 μg/mL/kg for control vs. 0.39 ± 0.10 μg/mL/kg for central obesity vs. 0.36 ± 0.08 μg/mL/kg for MetS, P < 0.05). In the multiple regression analysis, group was a strong independent factor contributing to serum ZAG levels (P < 0.001). Furthermore, compared with subjects with the highest tertile of ZAG, subjects in the lowest tertile of ZAG had 1.946-fold higher risk of MetS (95% CI 1.419-6.117, P = 0.004). This phenomenon still existed after controlling for age, gender (Model 1), ALP, AST, Cr, UA, Urea based on Model 1 (Model 2), grip strength, smoking, drinking, birth place, current address, education level, manual labor, and exercise frequency based on Model 2 (Model 3). Receiver operation characteristic (ROC) curve analysis revealed that serum ZAG might serve as a candidate biomarker for MetS (sensitivity 57.6%, specificity 70.0% and area under the curve 0.655), and serum ZAG/fat mass ratio showed improved diagnosis value accuracy, with ROC curve area of 0.951 (95% CI, 0.920-0.983, P < 0.001), and 90.7% sensitivity and 88.6% specificity. Conclusions: Serum ZAG levels were lowered in patients with MetS and central obesity. The decreased serum ZAG levels were associated with the increased risks of MetS. Serum ZAG, especially serum ZAG/fat mass ratio might be the candidate diagnostic biomarkers for MetS.
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Affiliation(s)
- Linjie Wang
- Key Laboratory of Endocrinology of National Health Commission, Department of Endocrinology, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Meijuan Liu
- Key Laboratory of Endocrinology of National Health Commission, Department of Endocrinology, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Dongping Ning
- Key Laboratory of Endocrinology of National Health Commission, Department of Endocrinology, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Huijuan Zhu
- Key Laboratory of Endocrinology of National Health Commission, Department of Endocrinology, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Guangliang Shan
- Department of Epidemiology and Health Statistics, Institute of Basic Medical Sciences, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Dingming Wang
- Guizhou Provincial Center for Disease Control and Prevention, Guiyang, China
| | - Bo Ping
- Longli Center for Disease Control and Prevention, Longli, China
| | - Yangwen Yu
- Guizhou Provincial Center for Disease Control and Prevention, Guiyang, China
| | - Hongbo Yang
- Key Laboratory of Endocrinology of National Health Commission, Department of Endocrinology, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Kemin Yan
- Key Laboratory of Endocrinology of National Health Commission, Department of Endocrinology, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Hui Pan
- Key Laboratory of Endocrinology of National Health Commission, Department of Endocrinology, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
- *Correspondence: Hui Pan
| | - Fengying Gong
- Key Laboratory of Endocrinology of National Health Commission, Department of Endocrinology, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
- Fengying Gong ;
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Jian T, Lü H, Ding X, Wu Y, Zuo Y, Li J, Chen J, Gu H. Polyphenol-rich Trapa quadrispinosa pericarp extract ameliorates high-fat diet induced non-alcoholic fatty liver disease by regulating lipid metabolism and insulin resistance in mice. PeerJ 2019; 7:e8165. [PMID: 31803542 PMCID: PMC6886490 DOI: 10.7717/peerj.8165] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2019] [Accepted: 11/05/2019] [Indexed: 02/06/2023] Open
Abstract
In China, Trapa quadrispinosa (also called water caltrop) has long been used as a function food and folk medicine to treat diabetes mellitus for years. In the present study, the extract of T. quadrispinosa pericarp (TQPE) which mainly contains hydrolysable tannins was prepared to investigate the potential therapeutic action in non-alcoholic fatty liver disease (NAFLD) mice induced by high fat-diet (HFD). After the administration of TQPE (15, 30 mg/kg/day) for 8 weeks, the increased weight of body and liver were significantly suppressed. TQPE also ameliorated liver lipid deposition and reduced lipids parameters of blood in mice. Moreover, TQPE attenuated oxidative stress and showed a hepatoprotective effect in mice. TQPE was also found to decrease the value of homeostatic model assessment for insulin resistance. In addition, TQPE administration increased the phosphorylation of AMP-activated protein kinase (AMPK) and Acetyl-CoA carboxylase (ACC) and inhibited sterol regulatory element-binding protein (SREBP) in the liver tissue. Meanwhile, TQPE elevated insulin receptor substrate-1 (IRs-1) and protein kinase B (Akt) phosphorylation. These results reflected that, as a nature product, TQPE is a potential agent for suppressing the process of NAFLD via regulation of the AMPK/SREBP/ACC and IRs-1/Akt pathways.
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Affiliation(s)
- Tunyu Jian
- Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing, China
| | - Han Lü
- Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing, China
| | - Xiaoqin Ding
- Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing, China
| | - Yuexian Wu
- Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing, China
| | - Yuanyuan Zuo
- Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing, China
| | - Jiawei Li
- Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing, China
| | - Jian Chen
- Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing, China.,Department of Food Science and Technology, College of Light Industry and Food Engineering, Nanjing Forestry University, Nanjing, China
| | - Hong Gu
- Department of Colorectal Surgery, Jiangyin Hospital of Traditional Chinese Medicine, Jiangyin, China
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Liu T, Luo X, Li ZH, Wu JC, Luo SZ, Xu MY. Zinc-α2-glycoprotein 1 attenuates non-alcoholic fatty liver disease by negatively regulating tumour necrosis factor-α. World J Gastroenterol 2019; 25:5451-5468. [PMID: 31576092 PMCID: PMC6767980 DOI: 10.3748/wjg.v25.i36.5451] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/18/2019] [Revised: 07/26/2019] [Accepted: 08/24/2019] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Zinc-α2-glycoprotein 1 (AZGP1) plays important roles in metabolism-related diseases. The underlying molecular mechanisms and therapeutic effects of AZGP1 remain unknown in non-alcoholic fatty liver disease (NAFLD).
AIM To explore the effects and potential mechanism of AZGP1 on NAFLD in vivo and in vitro.
METHODS The expression of AZGP1 and its effects on hepatocytes were examined in NAFLD patients, CCl4-treated mice fed a high fat diet (HFD), and human LO2 cells.
RESULTS AZGP1 levels were significantly decreased in liver tissues of NAFLD patients and mice. AZGP1 knockdown was found to activate inflammation; enhance steatogenesis, including promoting lipogenesis [sterol regulatory element-binding protein (SREBP)-1c, liver X receptor (LXR), fatty acid synthase (FAS), acetyl-CoA carboxylase (ACC), and stearoyl CoA desaturase 1 (SCD)-1], increasing lipid transport and accumulation [fatty acid transport protein (FATP), carnitine palmitoyl transferase (CPT)-1A, and adiponectin], and reducing fatty acid β-oxidation [farnesoid X receptor (FXR) and peroxisome proliferator-activated receptor (PPAR)-α]; accelerate proliferation; and reverse apoptosis in LO2 cells. AZGP1 overexpression (OV-AZGP1) had the opposite effects. Furthermore, AZGP1 alleviated NAFLD by blocking TNF-α-mediated inflammation and intracellular lipid deposition, promoting proliferation, and inhibiting apoptosis in LO2 cells. Finally, treatment with OV-AZGP1 plasmid dramatically improved liver injury and eliminated liver fat in NAFLD mice.
CONCLUSION AZGP1 attenuates NAFLD with regard to ameliorating inflammation, accelerating lipolysis, promoting proliferation, and reducing apoptosis by negatively regulating TNF-α. AZGP1 is suggested to be a novel promising therapeutic target for NAFLD.
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Affiliation(s)
- Ting Liu
- Department of Gastroenterology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200080, China
- Department of Gastroenterology, The Second Hospital of Hebei Medical University, Shijiazhuang 050000, Hebei Province, China
- Shanghai Key Laboratory of Pancreatic Diseases, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200080, China
| | - Xin Luo
- Department of Gastroenterology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200080, China
- Shanghai Key Laboratory of Pancreatic Diseases, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200080, China
| | - Zheng-Hong Li
- Department of Gastroenterology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200080, China
| | - Jun-Cheng Wu
- Department of Gastroenterology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200080, China
- Shanghai Key Laboratory of Pancreatic Diseases, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200080, China
| | - Sheng-Zheng Luo
- Department of Gastroenterology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200080, China
| | - Ming-Yi Xu
- Department of Gastroenterology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200080, China
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20
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Xiao XH, Qi XY, Li JY, Wang YB, Wang YD, Liao ZZ, Yang J, Ran L, Wen GB, Liu JH. Serum zinc-α2-glycoprotein levels are elevated and correlated with thyroid hormone in newly diagnosed hyperthyroidism. BMC Endocr Disord 2019; 19:12. [PMID: 30670019 PMCID: PMC6343254 DOI: 10.1186/s12902-019-0336-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/06/2018] [Accepted: 01/09/2019] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND Zinc-α2-glycoprotein (ZAG) is a recently novel lipolytic adipokine implicated in regulation of glucose and lipid metabolism in many metabolic disorders. In vitro and animal studies suggest that thyroid hormones (TH) up-regulates ZAG production in hepatocytes. However, there is no data evaluating the possible relationship between ZAG and TH in a human model of hyperthyroidism. The objective of the present study is to assess the association of serum ZAG levels with TH and lipid profile in patients with hyperthyroidism before and after methimazole treatment. METHODS A total of 120 newly diagnosed overt hyperthyroidism and 122 healthy control subjects were recruited. Of them, 39 hyperthyroidism patients were assigned to receive methimazole treatment as follow-up study for 2 months. RESULTS The clinical consequence showed that serum ZAG levels were elevated in patients with hyperthyroidism (P < 0.01). Adjust for age, gender and BMI, serum ZAG levels were positively related with serum free T3 (FT3), free T4 (FT4) levels and negatively correlated with serum total cholesterol (TC), low density lipoprotein cholesterol (LDLC) levels in hyperthyroidism subjects (all P < 0.01). After methimazole treatment, serum ZAG levels were decreased and the decline was associated with decreased FT3, FT4 and increased TC levels (all P < 0.001). CONCLUSION We conclude that ZAG may be involved in the pathogenesis of lipid metabolism disorder in patients with hyperthyroidism. TRIAL REGISTRATION ChiCTR-ROC-17012943 . Registered 11 October 2017, retrospectively registered.
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Affiliation(s)
- Xin-Hua Xiao
- Department of Metabolism and Endocrinology, The First Affiliated Hospital of University of South China, Hengyang, 421001 China
| | - Xiao-Yan Qi
- Department of Metabolism and Endocrinology, The First Affiliated Hospital of University of South China, Hengyang, 421001 China
| | - Jiao-Yang Li
- Department of Metabolism and Endocrinology, The First Affiliated Hospital of University of South China, Hengyang, 421001 China
| | - Yi-Bing Wang
- Department of Metabolism and Endocrinology, The First Affiliated Hospital of University of South China, Hengyang, 421001 China
| | - Ya-Di Wang
- Department of Metabolism and Endocrinology, The First Affiliated Hospital of University of South China, Hengyang, 421001 China
| | - Zhe-Zhen Liao
- Department of Metabolism and Endocrinology, The First Affiliated Hospital of University of South China, Hengyang, 421001 China
| | - Jing Yang
- Department of Metabolism and Endocrinology, The First Affiliated Hospital of University of South China, Hengyang, 421001 China
| | - Li Ran
- Department of Metabolism and Endocrinology, The First Affiliated Hospital of University of South China, Hengyang, 421001 China
| | - Ge-Bo Wen
- Department of Metabolism and Endocrinology, The First Affiliated Hospital of University of South China, Hengyang, 421001 China
| | - Jiang-Hua Liu
- Department of Metabolism and Endocrinology, The First Affiliated Hospital of University of South China, Hengyang, 421001 China
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