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Yan L, Wang J, Cai X, Liou Y, Shen H, Hao J, Huang C, Luo G, He W. Macrophage plasticity: signaling pathways, tissue repair, and regeneration. MedComm (Beijing) 2024; 5:e658. [PMID: 39092292 PMCID: PMC11292402 DOI: 10.1002/mco2.658] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2024] [Revised: 06/24/2024] [Accepted: 06/25/2024] [Indexed: 08/04/2024] Open
Abstract
Macrophages are versatile immune cells with remarkable plasticity, enabling them to adapt to diverse tissue microenvironments and perform various functions. Traditionally categorized into classically activated (M1) and alternatively activated (M2) phenotypes, recent advances have revealed a spectrum of macrophage activation states that extend beyond this dichotomy. The complex interplay of signaling pathways, transcriptional regulators, and epigenetic modifications orchestrates macrophage polarization, allowing them to respond to various stimuli dynamically. Here, we provide a comprehensive overview of the signaling cascades governing macrophage plasticity, focusing on the roles of Toll-like receptors, signal transducer and activator of transcription proteins, nuclear receptors, and microRNAs. We also discuss the emerging concepts of macrophage metabolic reprogramming and trained immunity, contributing to their functional adaptability. Macrophage plasticity plays a pivotal role in tissue repair and regeneration, with macrophages coordinating inflammation, angiogenesis, and matrix remodeling to restore tissue homeostasis. By harnessing the potential of macrophage plasticity, novel therapeutic strategies targeting macrophage polarization could be developed for various diseases, including chronic wounds, fibrotic disorders, and inflammatory conditions. Ultimately, a deeper understanding of the molecular mechanisms underpinning macrophage plasticity will pave the way for innovative regenerative medicine and tissue engineering approaches.
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Affiliation(s)
- Lingfeng Yan
- Institute of Burn ResearchState Key Laboratory of Trauma and Chemical Poisoningthe First Affiliated Hospital of Army Medical University (the Third Military Medical University)ChongqingChina
- Chongqing Key Laboratory for Wound Damage Repair and RegenerationChongqingChina
| | - Jue Wang
- Institute of Burn ResearchState Key Laboratory of Trauma and Chemical Poisoningthe First Affiliated Hospital of Army Medical University (the Third Military Medical University)ChongqingChina
- Chongqing Key Laboratory for Wound Damage Repair and RegenerationChongqingChina
| | - Xin Cai
- Institute of Burn ResearchState Key Laboratory of Trauma and Chemical Poisoningthe First Affiliated Hospital of Army Medical University (the Third Military Medical University)ChongqingChina
- Chongqing Key Laboratory for Wound Damage Repair and RegenerationChongqingChina
| | - Yih‐Cherng Liou
- Department of Biological SciencesFaculty of ScienceNational University of SingaporeSingaporeSingapore
- National University of Singapore (NUS) Graduate School for Integrative Sciences and EngineeringNational University of SingaporeSingaporeSingapore
| | - Han‐Ming Shen
- Faculty of Health SciencesUniversity of MacauMacauChina
| | - Jianlei Hao
- Guangdong Provincial Key Laboratory of Tumor Interventional Diagnosis and TreatmentZhuhai Institute of Translational MedicineZhuhai People's Hospital (Zhuhai Clinical Medical College of Jinan University)Jinan UniversityZhuhaiGuangdongChina
- The Biomedical Translational Research InstituteFaculty of Medical ScienceJinan UniversityGuangzhouGuangdongChina
| | - Canhua Huang
- State Key Laboratory of Biotherapy and Cancer CenterWest China Hospitaland West China School of Basic Medical Sciences and Forensic MedicineSichuan University, and Collaborative Innovation Center for BiotherapyChengduChina
| | - Gaoxing Luo
- Institute of Burn ResearchState Key Laboratory of Trauma and Chemical Poisoningthe First Affiliated Hospital of Army Medical University (the Third Military Medical University)ChongqingChina
- Chongqing Key Laboratory for Wound Damage Repair and RegenerationChongqingChina
| | - Weifeng He
- Institute of Burn ResearchState Key Laboratory of Trauma and Chemical Poisoningthe First Affiliated Hospital of Army Medical University (the Third Military Medical University)ChongqingChina
- Chongqing Key Laboratory for Wound Damage Repair and RegenerationChongqingChina
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Miao X, Alidadipour A, Saed V, Sayyadi F, Jadidi Y, Davoudi M, Amraee F, Jadidi N, Afrisham R. Hepatokines: unveiling the molecular and cellular mechanisms connecting hepatic tissue to insulin resistance and inflammation. Acta Diabetol 2024:10.1007/s00592-024-02335-9. [PMID: 39031190 DOI: 10.1007/s00592-024-02335-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/04/2024] [Accepted: 07/06/2024] [Indexed: 07/22/2024]
Abstract
Insulin resistance arising from Non-Alcoholic Fatty Liver Disease (NAFLD) stands as a prevalent global ailment, a manifestation within societies stemming from individuals' suboptimal dietary habits and lifestyles. This form of insulin resistance emerges as a pivotal factor in the development of type 2 diabetes mellitus (T2DM). Emerging evidence underscores the significant role of hepatokines, as hepatic-secreted hormone-like entities, in the genesis of insulin resistance and eventual onset of type 2 diabetes. Hepatokines exert influence over extrahepatic metabolism regulation. Their principal functions encompass impacting adipocytes, pancreatic cells, muscles, and the brain, thereby playing a crucial role in shaping body metabolism through signaling to target tissues. This review explores the most important hepatokines, each with distinct influences. Our review shows that Fetuin-A promotes lipid-induced insulin resistance by acting as an endogenous ligand for Toll-like receptor 4 (TLR-4). FGF21 reduces inflammation in diabetes by blocking the nuclear translocation of nuclear factor-κB (NF-κB) in adipocytes and adipose tissue, while also improving glucose metabolism. ANGPTL6 enhances AMPK and insulin signaling in muscle, and suppresses gluconeogenesis. Follistatin can influence insulin resistance and inflammation by interacting with members of the TGF-β family. Adropin show a positive correlation with phosphoenolpyruvate carboxykinase 1 (PCK1), a key regulator of gluconeogenesis. This article delves into hepatokines' impact on NAFLD, inflammation, and T2DM, with a specific focus on insulin resistance. The aim is to comprehend the influence of these recently identified hormones on disease development and their underlying physiological and pathological mechanisms.
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Affiliation(s)
- Xiaolei Miao
- School of Pharmacy, Xianning Medical College, Hubei University of Science and Technology, Xianning, 437100, China
| | - Arian Alidadipour
- Department of Medical Laboratory Sciences, School of Allied Medical Sciences, Tehran University of Medical Sciences, Tehran, Iran
| | - Vian Saed
- Department of Medical Laboratory Sciences, School of Allied Medical Sciences, Tehran University of Medical Sciences, Tehran, Iran
| | - Firooze Sayyadi
- Department of Medical Laboratory Sciences, School of Allied Medical Sciences, Tehran University of Medical Sciences, Tehran, Iran
| | - Yasaman Jadidi
- Department of Medical Laboratory Sciences, School of Allied Medical Sciences, Tehran University of Medical Sciences, Tehran, Iran
| | - Maryam Davoudi
- Department of Medical Laboratory Sciences, School of Allied Medical Sciences, Tehran University of Medical Sciences, Tehran, Iran
| | - Fatemeh Amraee
- Department of Medical Laboratory Sciences, School of Allied Medical Sciences, Tehran University of Medical Sciences, Tehran, Iran
| | - Nastaran Jadidi
- Department of Medical Laboratory Sciences, School of Allied Medical Sciences, Tehran University of Medical Sciences, Tehran, Iran
| | - Reza Afrisham
- Department of Medical Laboratory Sciences, School of Allied Medical Sciences, Tehran University of Medical Sciences, Tehran, Iran.
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Bruck O, Pandit LM. Pulmonary Hypertension and Hyperglycemia-Not a Sweet Combination. Diagnostics (Basel) 2024; 14:1119. [PMID: 38893645 PMCID: PMC11171670 DOI: 10.3390/diagnostics14111119] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2024] [Accepted: 05/14/2024] [Indexed: 06/21/2024] Open
Abstract
Hyperglycemia and pulmonary hypertension (PH) share common pathological pathways that lead to vascular dysfunction and resultant cardiovascular complications. These shared pathologic pathways involve endothelial dysfunction, inflammation, oxidative stress, and hormonal imbalances. Individuals with hyperglycemia or pulmonary hypertension also possess shared clinical factors that contribute to increased morbidity from both diseases. This review aims to explore the relationship between PH and hyperglycemia, highlighting the mechanisms underlying their association and discussing the clinical implications. Understanding these common pathologic and clinical factors will enable early detection for those at-risk for complications from both diseases, paving the way for improved research and targeted therapeutics.
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Affiliation(s)
- Or Bruck
- Section of Pulmonary, Critical Care, Sleep Medicine, Baylor College of Medicine, Houston, TX 77024, USA;
| | - L. M. Pandit
- Section of Pulmonary, Critical Care, Sleep Medicine, Baylor College of Medicine, Houston, TX 77024, USA;
- Michael E. DeBakey Veterans Affairs Medical Center, Center for Translational Research on Inflammatory Diseases (CTRID), Houston, TX 77030, USA
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4
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Lee SH, Suh JH, Heo MJ, Choi JM, Yang Y, Jung HJ, Gao Z, Yu Y, Jung SY, Kolonin MG, Cox AR, Hartig SM, Eltzschig HK, Ju C, Moore DD, Kim KH. The Hepatokine Orosomucoid 2 Mediates Beneficial Metabolic Effects of Bile Acids. Diabetes 2024; 73:701-712. [PMID: 38320268 PMCID: PMC11043061 DOI: 10.2337/db23-0520] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Accepted: 01/28/2024] [Indexed: 02/08/2024]
Abstract
Bile acids (BAs) are pleiotropic regulators of metabolism. Elevated levels of hepatic and circulating BAs improve energy metabolism in peripheral organs, but the precise mechanisms underlying the metabolic benefits and harm still need to be fully understood. In the current study, we identified orosomucoid 2 (ORM2) as a liver-secreted hormone (i.e., hepatokine) induced by BAs and investigated its role in BA-induced metabolic improvements in mouse models of diet-induced obesity. Contrary to our expectation, under a high-fat diet (HFD), our Orm2 knockout (Orm2-KO) exhibited a lean phenotype compared with C57BL/6J control, partly due to the increased energy expenditure. However, when challenged with a HFD supplemented with cholic acid, Orm2-KO eliminated the antiobesity effect of BAs, indicating that ORM2 governs BA-induced metabolic improvements. Moreover, hepatic ORM2 overexpression partially replicated BA effects by enhancing insulin sensitivity. Mechanistically, ORM2 suppressed interferon-γ/STAT1 activities in inguinal white adipose tissue depots, forming the basis for anti-inflammatory effects of BAs and improving glucose homeostasis. In conclusion, our study provides new insights into the molecular mechanisms of BA-induced liver-adipose cross talk through ORM2 induction. ARTICLE HIGHLIGHTS
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Affiliation(s)
- Sung Ho Lee
- Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, TX
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Chonnam National University, Gwangju, Korea
| | - Ji Ho Suh
- Department of Anesthesiology, Critical Care and Pain Medicine and Center for Perioperative Medicine, McGovern Medical School, University of Texas Health Science Center at Houston, Houston, TX
| | - Mi Jeong Heo
- Department of Anesthesiology, Critical Care and Pain Medicine and Center for Perioperative Medicine, McGovern Medical School, University of Texas Health Science Center at Houston, Houston, TX
| | - Jong Min Choi
- Systems Onco-Immunology Laboratory, David J. Sugarbaker Division of Thoracic Surgery, Michael E. DeBakey Department of Surgery, Baylor College of Medicine, Houston, TX
| | - Yang Yang
- Department of Anesthesiology, Critical Care and Pain Medicine and Center for Perioperative Medicine, McGovern Medical School, University of Texas Health Science Center at Houston, Houston, TX
| | - Hyun-Jung Jung
- Department of Anesthesiology, Critical Care and Pain Medicine and Center for Perioperative Medicine, McGovern Medical School, University of Texas Health Science Center at Houston, Houston, TX
| | - Zhanguo Gao
- The Brown Foundation Institute of Molecular Medicine, University of Texas Health Science Center, Houston, TX
| | - Yongmei Yu
- The Brown Foundation Institute of Molecular Medicine, University of Texas Health Science Center, Houston, TX
| | - Sung Yun Jung
- Verna and Marrs McLean Department of Biochemistry and Molecular Biology, Baylor College of Medicine, Houston, TX
| | - Mikhail G. Kolonin
- The Brown Foundation Institute of Molecular Medicine, University of Texas Health Science Center, Houston, TX
| | - Aaron R. Cox
- The Brown Foundation Institute of Molecular Medicine, University of Texas Health Science Center, Houston, TX
| | - Sean M. Hartig
- Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, TX
- Division of Diabetes, Endocrinology, and Metabolism, Department of Medicine, Baylor College of Medicine, Houston, TX
| | - Holger K. Eltzschig
- Department of Anesthesiology, Critical Care and Pain Medicine and Center for Perioperative Medicine, McGovern Medical School, University of Texas Health Science Center at Houston, Houston, TX
| | - Cynthia Ju
- Department of Anesthesiology, Critical Care and Pain Medicine and Center for Perioperative Medicine, McGovern Medical School, University of Texas Health Science Center at Houston, Houston, TX
| | - David D. Moore
- Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, TX
- Department of Nutritional Sciences and Toxicology, University of California, Berkeley, Berkeley, CA
| | - Kang Ho Kim
- Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, TX
- Department of Anesthesiology, Critical Care and Pain Medicine and Center for Perioperative Medicine, McGovern Medical School, University of Texas Health Science Center at Houston, Houston, TX
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Portilla Y, Mulens-Arias V, Daviu N, Paradela A, Pérez-Yagüe S, Barber DF. Interaction of Iron Oxide Nanoparticles with Macrophages Is Influenced Distinctly by "Self" and "Non-Self" Biological Identities. ACS APPLIED MATERIALS & INTERFACES 2023. [PMID: 37478159 PMCID: PMC10401511 DOI: 10.1021/acsami.3c05555] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/23/2023]
Abstract
Upon contact with biological fluids like serum, a protein corona (PC) complex forms on iron oxide nanoparticles (IONPs) in physiological environments and the proteins it contains influence how IONPs act in biological systems. Although the biological identity of PC-IONP complexes has often been studied in vitro and in vivo, there have been inconsistent results due to the differences in the animal of origin, the type of biological fluid, and the physicochemical properties of the IONPs. Here, we identified differences in the PC composition when it was derived from the sera of three species (bovine, murine, or human) and deposited on IONPs with similar core diameters but with different coatings [dimercaptosuccinic acid (DMSA), dextran (DEX), or 3-aminopropyl triethoxysilane (APS)], and we assessed how these differences influenced their effects on macrophages. We performed a comparative proteomic analysis to identify common proteins from the three sera that adsorb to each IONP coating and the 10 most strongly represented proteins in PCs. We demonstrated that the PC composition is dependent on the origin of the serum rather than the nature of the coating. The PC composition critically affects the interaction of IONPs with macrophages in self- or non-self identity models, influencing the activation and polarization of macrophages. However, such effects were more consistent for DMSA-IONPs. As such, a self biological identity of IONPs promotes the activation and M2 polarization of murine macrophages, while a non-self biological identity favors M1 polarization, producing larger quantities of ROS. In a human context, we observed the opposite effect, whereby a self biological identity of DMSA-IONPs promotes a mixed M1/M2 polarization with an increase in ROS production. Conversely, a non-self biological identity of IONPs provides nanoparticles with a stealthy character as no clear effects on human macrophages were evident. Thus, the biological identity of IONPs profoundly affects their interaction with macrophages, ultimately defining their biological impact on the immune system.
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Affiliation(s)
- Yadileiny Portilla
- Department of Immunology and Oncology and Nanobiomedicine Initiative, Centro Nacional de Biotecnología (CNB-CSIC), Darwin 3, 28049 Madrid, Spain
| | - Vladimir Mulens-Arias
- Department of Immunology and Oncology and Nanobiomedicine Initiative, Centro Nacional de Biotecnología (CNB-CSIC), Darwin 3, 28049 Madrid, Spain
| | - Neus Daviu
- Department of Immunology and Oncology and Nanobiomedicine Initiative, Centro Nacional de Biotecnología (CNB-CSIC), Darwin 3, 28049 Madrid, Spain
| | - Alberto Paradela
- Proteomics Facility, Centro Nacional de Biotecnología (CNB-CSIC), Darwin 3, 28049 Madrid, Spain
| | - Sonia Pérez-Yagüe
- Department of Immunology and Oncology and Nanobiomedicine Initiative, Centro Nacional de Biotecnología (CNB-CSIC), Darwin 3, 28049 Madrid, Spain
| | - Domingo F Barber
- Department of Immunology and Oncology and Nanobiomedicine Initiative, Centro Nacional de Biotecnología (CNB-CSIC), Darwin 3, 28049 Madrid, Spain
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Fu M, Yang L, Wang H, Chen Y, Chen X, Hu Q, Sun H. Research progress into adipose tissue macrophages and insulin resistance. Physiol Res 2023; 72:287-299. [PMID: 37449743 PMCID: PMC10668993 DOI: 10.33549/physiolres.935046] [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: 12/01/2022] [Accepted: 03/07/2023] [Indexed: 08/26/2023] Open
Abstract
In recent years, there has been an increasing incidence of metabolic syndrome, type 2 diabetes, and cardiovascular events related to insulin resistance. As one of the target organs for insulin, adipose tissue is essential for maintaining in vivo immune homeostasis and metabolic regulation. Currently, the specific adipose tissue mechanisms involved in insulin resistance remain incompletely understood. There is increasing evidence that the process of insulin resistance is mostly accompanied by a dramatic increase in the number and phenotypic changes of adipose tissue macrophages (ATMs). In this review, we discuss the origins and functions of ATMs, some regulatory factors of ATM phenotypes, and the mechanisms through which ATMs mediate insulin resistance. We explore how ATM phenotypes contribute to insulin resistance in adipose tissue. We expect that modulation of ATM phenotypes will provide a novel strategy for the treatment of diseases associated with insulin resistance.
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Affiliation(s)
- M Fu
- Department of Endocrinology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
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Sidheeque Hassan V, Hanifa M, Navik U, Bali A. Exogenous fetuin-A protects against sepsis-induced myocardial injury by inhibiting oxidative stress and inflammation in mice. Fundam Clin Pharmacol 2023; 37:607-617. [PMID: 36647295 DOI: 10.1111/fcp.12870] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Revised: 12/23/2022] [Accepted: 01/09/2023] [Indexed: 01/18/2023]
Abstract
Sepsis-induced myocardial injury is a consequence of septicemia and is one of the major causes of death in intensive care units. A serum glycoprotein called fetuin-A is secreted largely by the liver, tongue, placenta, and adipose tissue. Fetuin-A has a variety of biological and pharmacological properties. The anti-inflammatory and antioxidant glycoprotein fetuin-A has shown its efficacy in a number of inflammatory disorders including sepsis. However, its protective role against sepsis-induced myocardial injury remains elusive. The purpose of this work is to explore the role of fetuin-A in mouse models of myocardial injury brought on by cecal ligation and puncture (CLP). CLP significantly induced the myocardial injury assessed in terms of elevated myocardial markers (serum CK-MB, cTnI levels), inflammatory markers (IL-6, TNF-α) in the serum, and oxidative stress markers (increased MDA levels and decreased reduced glutathione) in heart tissue homogenate following 24 h of ligation and puncture. Further, hematoxylin and eosin (H&E) staining showed considerable histological alterations in the myocardial tissue of sepsis-developed mice. Interestingly, fetuin-A pretreatment (50 and 100 mg/kg) for 4 days before the CLP procedure significantly improved the myocardial injury and was evaluated in perspective of a reduction in the CK-MB, cTnI levels, IL-6, and TNF-α in sepsis-developed animals. Fetuin-A pretreatment significantly attenuated the oxidative stress and improved the myocardial morphology in a dose-dependent manner. The present study provides preliminary evidence that fetuin-A exerts protection against sepsis-induced cardiac dysfunction in vivo via suppression of inflammation and oxidative damage.
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Affiliation(s)
- V Sidheeque Hassan
- Department of Pharmacology, Central University of Punjab, Bathinda, India
| | - Mohd Hanifa
- Department of Pharmacology, Central University of Punjab, Bathinda, India
| | - Umashanker Navik
- Department of Pharmacology, Central University of Punjab, Bathinda, India
| | - Anjana Bali
- Department of Pharmacology, Central University of Punjab, Bathinda, India
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Pan D, Li G, Jiang C, Hu J, Hu X. Regulatory mechanisms of macrophage polarization in adipose tissue. Front Immunol 2023; 14:1149366. [PMID: 37283763 PMCID: PMC10240406 DOI: 10.3389/fimmu.2023.1149366] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2023] [Accepted: 05/04/2023] [Indexed: 06/08/2023] Open
Abstract
In adipose tissue, macrophages are the most abundant immune cells with high heterogeneity and plasticity. Depending on environmental cues and molecular mediators, adipose tissue macrophages (ATMs) can be polarized into pro- or anti-inflammatory cells. In the state of obesity, ATMs switch from the M2 polarized state to the M1 state, which contributes to chronic inflammation, thereby promoting the pathogenic progression of obesity and other metabolic diseases. Recent studies show that multiple ATM subpopulations cluster separately from the M1 or M2 polarized state. Various factors are related to ATM polarization, including cytokines, hormones, metabolites and transcription factors. Here, we discuss our current understanding of the potential regulatory mechanisms underlying ATM polarization induced by autocrine and paracrine factors. A better understanding of how ATMs polarize may provide new therapeutic strategies for obesity-related diseases.
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Affiliation(s)
- Dun Pan
- Fujian Key Laboratory of Translational Research in Cancer and Neurodegenerative Diseases, School of Basic Medical Sciences, Fujian Medical University, Fuzhou, China
- Department of Gastrointestinal Surgery, The First Affiliated Hospital of Fujian Medical University, Fuzhou, China
| | - Guo Li
- Fujian Key Laboratory of Translational Research in Cancer and Neurodegenerative Diseases, School of Basic Medical Sciences, Fujian Medical University, Fuzhou, China
| | - Chunlin Jiang
- Fujian Key Laboratory of Translational Research in Cancer and Neurodegenerative Diseases, School of Basic Medical Sciences, Fujian Medical University, Fuzhou, China
| | - Jinfeng Hu
- Fujian Key Laboratory of Translational Research in Cancer and Neurodegenerative Diseases, School of Basic Medical Sciences, Fujian Medical University, Fuzhou, China
| | - Xiangming Hu
- Fujian Key Laboratory of Translational Research in Cancer and Neurodegenerative Diseases, School of Basic Medical Sciences, Fujian Medical University, Fuzhou, China
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Adipose tissue macrophages and their role in obesity-associated insulin resistance: an overview of the complex dynamics at play. Biosci Rep 2023; 43:232519. [PMID: 36718668 PMCID: PMC10011338 DOI: 10.1042/bsr20220200] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2022] [Revised: 01/18/2023] [Accepted: 01/26/2023] [Indexed: 02/01/2023] Open
Abstract
Obesity, a major global health concern, is characterized by serious imbalance between energy intake and expenditure leading to excess accumulation of fat in adipose tissue (AT). A state of chronic low-grade AT inflammation is prevalent during obesity. The adipose tissue macrophages (ATM) with astounding heterogeneity and complex regulation play a decisive role in mediating obesity-induced insulin resistance. Adipose-derived macrophages were broadly classified as proinflammatory M1 and anti-inflammatory M2 subtypes but recent reports have proclaimed several novel and intermediate profiles, which are crucial in understanding the dynamics of macrophage phenotypes during development of obesity. Lipid-laden hypertrophic adipocytes release various chemotactic signals that aggravate macrophage infiltration into AT skewing toward mostly proinflammatory status. The ratio of M1-like to M2-like macrophages is increased substantially resulting in copious secretion of proinflammatory mediators such as TNFα, IL-6, IL-1β, MCP-1, fetuin-A (FetA), etc. further worsening insulin resistance. Several AT-derived factors could influence ATM content and activation. Apart from being detrimental, ATM exerts beneficial effects during obesity. Recent studies have highlighted the prime role of AT-resident macrophage subpopulations in not only effective clearance of excess fat and dying adipocytes but also in controlling vascular integrity, adipocyte secretions, and fibrosis within obese AT. The role of ATM subpopulations as friend or foe is determined by an intricate interplay of such factors arising within hyperlipidemic microenvironment of obese AT. The present review article highlights some of the key research advances in ATM function and regulation, and appreciates the complex dynamics of ATM in the pathophysiologic scenario of obesity-associated insulin resistance.
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Regulatory Networks, Management Approaches, and Emerging Treatments of Nonalcoholic Fatty Liver Disease. Can J Gastroenterol Hepatol 2022; 2022:6799414. [PMID: 36397950 PMCID: PMC9666027 DOI: 10.1155/2022/6799414] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Accepted: 09/05/2022] [Indexed: 11/09/2022] Open
Abstract
The pathogenesis of NAFLD is complex and diverse, involving multiple signaling pathways and cytokines from various organs. Hepatokines, stellakines, adipokines, and myokines secreted by hepatocytes, hepatic stellate cells, adipose tissue, and myocytes play an important role in the occurrence and development of nonalcoholic fatty liver disease (NAFLD). The nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB) contributes to the progression of NAFLD by mediating liver inflammation, immune response, hepatocyte death, and later compensatory proliferation. In this review, we first discuss the crosstalk and interaction between hepatokines, stellakines, adipokines, and myokines and NF-κB in NAFLD. The characterization of the crosstalk of NF-κB with these factors will provide a better understanding of the molecular mechanisms involved in the progression of NAFLD. In addition, we examine new expert management opinions for NAFLD and explore the therapeutic potential of silymarin in NAFLD/NASH.
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Chekol Abebe E, Tilahun Muche Z, Behaile T/Mariam A, Mengie Ayele T, Mekonnen Agidew M, Teshome Azezew M, Abebe Zewde E, Asmamaw Dejenie T, Asmamaw Mengstie M. The structure, biosynthesis, and biological roles of fetuin-A: A review. Front Cell Dev Biol 2022; 10:945287. [PMID: 35923855 PMCID: PMC9340150 DOI: 10.3389/fcell.2022.945287] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Accepted: 06/28/2022] [Indexed: 11/21/2022] Open
Abstract
Fetuin-A is a heterodimeric plasma glycoprotein containing an A-chain of 282 amino acids and a B-chain of 27 amino acid residues linked by a single inter-disulfide bond. It is predominantly expressed in embryonic cells and adult hepatocytes, and to a lesser extent in adipocytes and monocytes. Fetuin-A binds with a plethora of receptors and exhibits multifaceted physiological and pathological functions. It is involved in the regulation of calcium metabolism, osteogenesis, and the insulin signaling pathway. It also acts as an ectopic calcification inhibitor, protease inhibitor, inflammatory mediator, anti-inflammatory partner, atherogenic factor, and adipogenic factor, among other several moonlighting functions. Fetuin-A has also been demonstrated to play a crucial role in the pathogenesis of several disorders. This review mainly focuses on the structure, synthesis, and biological roles of fetuin-A. Information was gathered manually from various journals via electronic searches using PubMed, Google Scholar, HINARI, and Cochrane Library from inception to 2022. Studies written in English and cohort, case-control, cross-sectional, or experimental studies were considered in the review, otherwise excluded.
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Affiliation(s)
- Endeshaw Chekol Abebe
- Department of Medical Biochemistry, College of Health Sciences, Debre Tabor University, Debre Tabor, Ethiopia
- *Correspondence: Endeshaw Chekol Abebe,
| | - Zelalem Tilahun Muche
- Department of Physiology, College of Health Sciences, Debre Tabor University, Debre Tabor, Ethiopia
| | - Awigchew Behaile T/Mariam
- Department of Medical Biochemistry, College of Health Sciences, Debre Tabor University, Debre Tabor, Ethiopia
| | - Teklie Mengie Ayele
- Department of Pharmacy, College of Health Sciences, Debre Tabor University, Debre Tabor, Ethiopia
| | - Melaku Mekonnen Agidew
- Department of Medical Biochemistry, College of Health Sciences, Debre Tabor University, Debre Tabor, Ethiopia
| | - Muluken Teshome Azezew
- Department of Physiology, College of Health Sciences, Debre Tabor University, Debre Tabor, Ethiopia
| | - Edgeit Abebe Zewde
- Department of Physiology, College of Health Sciences, Debre Tabor University, Debre Tabor, Ethiopia
| | - Tadesse Asmamaw Dejenie
- Department of Medical Biochemistry, College of Medicine and Health Sciences, University of Gondar, Gondar, Ethiopia
| | - Misganaw Asmamaw Mengstie
- Department of Medical Biochemistry, College of Health Sciences, Debre Tabor University, Debre Tabor, Ethiopia
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Park HE, Park JS, Park HT, Shin JI, Kim KM, Park SR, Choi JG, Jung M, Kang HL, Baik SC, Lee WK, Yoo HS, Shin MK. Fetuin as a potential serum biomarker to detect subclinical shedder of bovine paratuberculosis. Microb Pathog 2022; 169:105675. [PMID: 35820578 DOI: 10.1016/j.micpath.2022.105675] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Revised: 06/25/2022] [Accepted: 07/06/2022] [Indexed: 11/16/2022]
Abstract
Paratuberculosis (PTB) is a chronic contagious granulomatous enteritis of wild and domestic ruminants caused by Mycobacterium avium subsp. paratuberculosis (MAP). PTB causes considerable economic losses to the dairy industry through decreased milk production and premature culling. PTB-affected cattle undergo a subclinical stage without clinical signs and initiate fecal shedding of MAP into the environment. Current diagnostic tools have low sensitivity for the detection of subclinical PTB infection. Therefore, alternative diagnostic tools are required to improve the diagnostic sensitivity of subclinical PTB infection. In this study, we performed ELISA for three previously identified host biomarkers (fetuin, alpha-1-acid glycoprotein, and apolipoprotein) and analyzed their diagnostic performance with conventional PTB diagnostic methods. We observed that serum fetuin levels were significantly lowered in the subclinical shedder and clinical shedder groups than in the healthy control group, indicating its potential utility as a diagnostic biomarker for bovine PTB. Also, fetuin showed an excellent discriminatory power with an AUC = 0.949, a sensitivity of 92.6%, and a specificity of 94.4% for the detection of subclinical MAP infection. In conclusion, our results demonstrated that fetuin could be used as a diagnostic biomarker for enhancing the diagnostic sensitivity for the detection of subclinical MAP infections that are difficult to detect based on current diagnostic methods.
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Affiliation(s)
- Hyun-Eui Park
- Department of Microbiology, College of Medicine and Institute of Health Sciences, Gyeongsang National University, Jinju, 52727, Republic of Korea; Department of Infectious Diseases, College of Veterinary Medicine, Seoul National University, Seoul, 08826, Republic of Korea.
| | - Jin-Sik Park
- Department of Microbiology, College of Medicine and Institute of Health Sciences, Gyeongsang National University, Jinju, 52727, Republic of Korea.
| | - Hong-Tae Park
- Department of Infectious Diseases, College of Veterinary Medicine, Seoul National University, Seoul, 08826, Republic of Korea.
| | - Jeong-Ih Shin
- Department of Microbiology, College of Medicine and Institute of Health Sciences, Gyeongsang National University, Jinju, 52727, Republic of Korea; Department of Convergence Medical Science, Gyeongsang National University, Jinju, 52727, Republic of Korea.
| | - Kyu-Min Kim
- Department of Microbiology, College of Medicine and Institute of Health Sciences, Gyeongsang National University, Jinju, 52727, Republic of Korea; Department of Convergence Medical Science, Gyeongsang National University, Jinju, 52727, Republic of Korea.
| | - Seo-Rin Park
- Department of Microbiology, College of Medicine and Institute of Health Sciences, Gyeongsang National University, Jinju, 52727, Republic of Korea; Department of Convergence Medical Science, Gyeongsang National University, Jinju, 52727, Republic of Korea.
| | - Jeong-Gyu Choi
- Department of Microbiology, College of Medicine and Institute of Health Sciences, Gyeongsang National University, Jinju, 52727, Republic of Korea; Department of Convergence Medical Science, Gyeongsang National University, Jinju, 52727, Republic of Korea.
| | - Myunghwan Jung
- Department of Microbiology, College of Medicine and Institute of Health Sciences, Gyeongsang National University, Jinju, 52727, Republic of Korea; Department of Convergence Medical Science, Gyeongsang National University, Jinju, 52727, Republic of Korea.
| | - Hyung-Lyun Kang
- Department of Microbiology, College of Medicine and Institute of Health Sciences, Gyeongsang National University, Jinju, 52727, Republic of Korea; Department of Convergence Medical Science, Gyeongsang National University, Jinju, 52727, Republic of Korea.
| | - Seung-Chul Baik
- Department of Microbiology, College of Medicine and Institute of Health Sciences, Gyeongsang National University, Jinju, 52727, Republic of Korea; Department of Convergence Medical Science, Gyeongsang National University, Jinju, 52727, Republic of Korea.
| | - Woo-Kon Lee
- Department of Microbiology, College of Medicine and Institute of Health Sciences, Gyeongsang National University, Jinju, 52727, Republic of Korea; Department of Convergence Medical Science, Gyeongsang National University, Jinju, 52727, Republic of Korea.
| | - Han Sang Yoo
- Department of Infectious Diseases, College of Veterinary Medicine, Seoul National University, Seoul, 08826, Republic of Korea; BK21 FOUR Future Veterinary Medicine Leading Education and Research Center, Seoul National University, Seoul, 08826, Republic of Korea.
| | - Min-Kyoung Shin
- Department of Microbiology, College of Medicine and Institute of Health Sciences, Gyeongsang National University, Jinju, 52727, Republic of Korea; Department of Convergence Medical Science, Gyeongsang National University, Jinju, 52727, Republic of Korea.
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Latorre J, Aroca A, Fernández-Real JM, Romero LC, Moreno-Navarrete JM. The Combined Partial Knockdown of CBS and MPST Genes Induces Inflammation, Impairs Adipocyte Function-Related Gene Expression and Disrupts Protein Persulfidation in Human Adipocytes. Antioxidants (Basel) 2022; 11:antiox11061095. [PMID: 35739994 PMCID: PMC9220337 DOI: 10.3390/antiox11061095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2022] [Revised: 05/26/2022] [Accepted: 05/27/2022] [Indexed: 11/18/2022] Open
Abstract
Recent studies in mice and humans demonstrated the relevance of H2S synthesising enzymes, such as CTH, CBS, and MPST, in the physiology of adipose tissue and the differentiation of preadipocyte into adipocytes. Here, our objective was to investigate the combined role of CTH, CBS, and MPST in the preservation of adipocyte protein persulfidation and adipogenesis. Combined partial CTH, CBS, and MPST gene knockdown was achieved treating fully human adipocytes with siRNAs against these transcripts (siRNA_MIX). Adipocyte protein persulfidation was analyzed using label-free quantitative mass spectrometry coupled with a dimedone-switch method for protein labeling and purification. Proteomic analysis quantified 216 proteins with statistically different levels of persulfidation in KD cells compared to control adipocytes. In fully differentiated adipocytes, CBS and MPST mRNA and protein levels were abundant, while CTH expression was very low. It is noteworthy that siRNA_MIX administration resulted in a significant decrease in CBS and MPST expression, without impacting on CTH. The combined partial knockdown of the CBS and MPST genes resulted in reduced cellular sulfide levels in parallel to decreased expression of relevant genes for adipocyte biology, including adipogenesis, mitochondrial biogenesis, and lipogenesis, but increased proinflammatory- and senescence-related genes. It should be noted that the combined partial knockdown of CBS and MPST genes also led to a significant disruption in the persulfidation pattern of the adipocyte proteins. Although among the less persulfidated proteins, we identified several relevant proteins for adipocyte adipogenesis and function, among the most persulfidated, key mediators of adipocyte inflammation and dysfunction as well as some proteins that might play a positive role in adipogenesis were found. In conclusion, the current study indicates that the combined partial elimination of CBS and MPST (but not CTH) in adipocytes affects the expression of genes related to the maintenance of adipocyte function and promotes inflammation, possibly by altering the pattern of protein persulfidation in these cells, suggesting that these enzymes were required for the functional maintenance of adipocytes.
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Affiliation(s)
- Jessica Latorre
- Department of Diabetes, Endocrinology and Nutrition, Institut d’Investigació Biomèdica de Girona (IdIBGi), 17190 Salt, Spain; (J.L.); (J.M.F.-R.)
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBERobn, CB06/03/010), Instituto de Salud Carlos III, 28029 Madrid, Spain
| | - Angeles Aroca
- Instituto de Bioquímica Vegetal y Fotosíntesis, Consejo Superior de Investigaciones and Universidad de Sevilla, 41092 Seville, Spain; (A.A.); (L.C.R.)
| | - José Manuel Fernández-Real
- Department of Diabetes, Endocrinology and Nutrition, Institut d’Investigació Biomèdica de Girona (IdIBGi), 17190 Salt, Spain; (J.L.); (J.M.F.-R.)
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBERobn, CB06/03/010), Instituto de Salud Carlos III, 28029 Madrid, Spain
- Department of Medicine, Universitat de Girona, 17003 Girona, Spain
| | - Luis C. Romero
- Instituto de Bioquímica Vegetal y Fotosíntesis, Consejo Superior de Investigaciones and Universidad de Sevilla, 41092 Seville, Spain; (A.A.); (L.C.R.)
| | - José María Moreno-Navarrete
- Department of Diabetes, Endocrinology and Nutrition, Institut d’Investigació Biomèdica de Girona (IdIBGi), 17190 Salt, Spain; (J.L.); (J.M.F.-R.)
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBERobn, CB06/03/010), Instituto de Salud Carlos III, 28029 Madrid, Spain
- Correspondence: ; Tel.: +34-872-987087 (ext. 70)
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Ren Y, Zhao H, Yin C, Lan X, Wu L, Du X, Griffiths HR, Gao D. Adipokines, Hepatokines and Myokines: Focus on Their Role and Molecular Mechanisms in Adipose Tissue Inflammation. Front Endocrinol (Lausanne) 2022; 13:873699. [PMID: 35909571 PMCID: PMC9329830 DOI: 10.3389/fendo.2022.873699] [Citation(s) in RCA: 51] [Impact Index Per Article: 25.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Accepted: 06/17/2022] [Indexed: 11/18/2022] Open
Abstract
Chronic low-grade inflammation in adipose tissue (AT) is a hallmark of obesity and contributes to various metabolic disorders, such as type 2 diabetes and cardiovascular diseases. Inflammation in ATs is characterized by macrophage infiltration and the activation of inflammatory pathways mediated by NF-κB, JNK, and NLRP3 inflammasomes. Adipokines, hepatokines and myokines - proteins secreted from AT, the liver and skeletal muscle play regulatory roles in AT inflammation via endocrine, paracrine, and autocrine pathways. For example, obesity is associated with elevated levels of pro-inflammatory adipokines (e.g., leptin, resistin, chemerin, progranulin, RBP4, WISP1, FABP4, PAI-1, Follistatin-like1, MCP-1, SPARC, SPARCL1, and SAA) and reduced levels of anti-inflammatory adipokines such as adiponectin, omentin, ZAG, SFRP5, CTRP3, vaspin, and IL-10. Moreover, some hepatokines (Fetuin A, DPP4, FGF21, GDF15, and MANF) and myokines (irisin, IL-6, and DEL-1) also play pro- or anti-inflammatory roles in AT inflammation. This review aims to provide an updated understanding of these organokines and their role in AT inflammation and related metabolic abnormalities. It serves to highlight the molecular mechanisms underlying the effects of these organokines and their clinical significance. Insights into the roles and mechanisms of these organokines could provide novel and potential therapeutic targets for obesity-induced inflammation.
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Affiliation(s)
- Yakun Ren
- Institute of Molecular and Translational Medicine, Xian Jiaotong University Health Science Center, Xi’an, China
| | - Hao Zhao
- School of Basic Medical Sciences, Xi’an Jiaotong University Health Science Center, Xi’an, China
| | - Chunyan Yin
- Department of Pediatrics, The Second Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
| | - Xi Lan
- Institute of Molecular and Translational Medicine, Xian Jiaotong University Health Science Center, Xi’an, China
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Xi’an Jiaotong University Health Science Center, Xi’an, China
| | - Litao Wu
- Institute of Molecular and Translational Medicine, Xian Jiaotong University Health Science Center, Xi’an, China
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Xi’an Jiaotong University Health Science Center, Xi’an, China
| | - Xiaojuan Du
- Institute of Molecular and Translational Medicine, Xian Jiaotong University Health Science Center, Xi’an, China
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Xi’an Jiaotong University Health Science Center, Xi’an, China
| | - Helen R. Griffiths
- Swansea University Medical School, Swansea University, Swansea, United Kingdom
| | - Dan Gao
- Institute of Molecular and Translational Medicine, Xian Jiaotong University Health Science Center, Xi’an, China
- Department of Human Anatomy, Histology and Embryology, School of Basic Medical Sciences, Xi’an Jiaotong University Health Center, Xi’an, China
- *Correspondence: Dan Gao,
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Chan PC, Hsieh PS. The Chemokine Systems at the Crossroads of Inflammation and Energy Metabolism in the Development of Obesity. Int J Mol Sci 2021; 22:ijms222413528. [PMID: 34948325 PMCID: PMC8709111 DOI: 10.3390/ijms222413528] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Revised: 12/11/2021] [Accepted: 12/13/2021] [Indexed: 12/16/2022] Open
Abstract
Obesity is characterized as a complex and multifactorial excess accretion of adipose tissue accompanied with alterations in the immune and metabolic responses. Although the chemokine systems have been documented to be involved in the control of tissue inflammation and metabolism, the dual role of chemokines and chemokine receptors in the pathogenesis of the inflammatory milieu and dysregulated energy metabolism in obesity remains elusive. The objective of this review is to present an update on the link between chemokines and obesity-related inflammation and metabolism dysregulation under the light of recent knowledge, which may present important therapeutic targets that could control obesity-associated immune and metabolic disorders and chronic complications in the near future. In addition, the cellular and molecular mechanisms of chemokines and chemokine receptors including the potential effect of post-translational modification of chemokines in the regulation of inflammation and energy metabolism will be discussed in this review.
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Affiliation(s)
- Pei-Chi Chan
- National Defense Medical Center (NDMC), Department of Physiology & Biophysics, Taipei 114, Taiwan;
| | - Po-Shiuan Hsieh
- National Defense Medical Center (NDMC), Department of Physiology & Biophysics, Taipei 114, Taiwan;
- Graduate Institute of Medical Science, NDMC, Taipei 114, Taiwan
- Department of Medical Research, Tri-Service General Hospital, Taipei 114, Taiwan
- Correspondence: ; Tel.: +886-2-87923100 (ext. 18622); Fax: +886-2-87924827
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