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Khan MM, Khan ZA, Khan MA. Metabolic complications of psychotropic medications in psychiatric disorders: Emerging role of de novo lipogenesis and therapeutic consideration. World J Psychiatry 2024; 14:767-783. [PMID: 38984346 PMCID: PMC11230099 DOI: 10.5498/wjp.v14.i6.767] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/06/2024] [Revised: 05/05/2024] [Accepted: 05/23/2024] [Indexed: 06/19/2024] Open
Abstract
Although significant advances have been made in understanding the patho-physiology of psychiatric disorders (PDs), therapeutic advances have not been very convincing. While psychotropic medications can reduce classical symptoms in patients with PDs, their long-term use has been reported to induce or exaggerate various pre-existing metabolic abnormalities including diabetes, obesity and non-alcoholic fatty liver disease (NAFLD). The mechanism(s) underlying these metabolic abnormalities is not clear; however, lipid/fatty acid accumulation due to enhanced de novo lipogenesis (DNL) has been shown to reduce membrane fluidity, increase oxidative stress and inflammation leading to the development of the aforementioned metabolic abnormalities. Intriguingly, emerging evidence suggest that DNL dysregulation and fatty acid accumulation could be the major mechanisms associated with the development of obesity, diabetes and NAFLD after long-term treatment with psychotropic medications in patients with PDs. In support of this, several adjunctive drugs comprising of anti-oxidants and anti-inflammatory agents, that are used in treating PDs in combination with psychotropic medications, have been shown to reduce insulin resistance and development of NAFLD. In conclusion, the above evidence suggests that DNL could be a potential pathological factor associated with various metabolic abnormalities, and a new avenue for translational research and therapeutic drug designing in PDs.
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Affiliation(s)
- Mohammad M Khan
- Laboratory of Translational Neurology and Molecular Psychiatry, Department of Biotechnology, Era’s Lucknow Medical College and Hospital, and Faculty of Science, Era University, Lucknow 226003, India
| | - Zaw Ali Khan
- Era’s Lucknow Medical College and Hospital, Era University, Lucknow 226003, India
| | - Mohsin Ali Khan
- Era’s Lucknow Medical College and Hospital, Era University, Lucknow 226003, India
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2
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Sukocheva OA, Neganova ME, Aleksandrova Y, Burcher JT, Chugunova E, Fan R, Tse E, Sethi G, Bishayee A, Liu J. Signaling controversy and future therapeutical perspectives of targeting sphingolipid network in cancer immune editing and resistance to tumor necrosis factor-α immunotherapy. Cell Commun Signal 2024; 22:251. [PMID: 38698424 PMCID: PMC11064425 DOI: 10.1186/s12964-024-01626-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Accepted: 04/21/2024] [Indexed: 05/05/2024] Open
Abstract
Anticancer immune surveillance and immunotherapies trigger activation of cytotoxic cytokine signaling, including tumor necrosis factor-α (TNF-α) and TNF-related apoptosis-inducing ligand (TRAIL) pathways. The pro-inflammatory cytokine TNF-α may be secreted by stromal cells, tumor-associated macrophages, and by cancer cells, indicating a prominent role in the tumor microenvironment (TME). However, tumors manage to adapt, escape immune surveillance, and ultimately develop resistance to the cytotoxic effects of TNF-α. The mechanisms by which cancer cells evade host immunity is a central topic of current cancer research. Resistance to TNF-α is mediated by diverse molecular mechanisms, such as mutation or downregulation of TNF/TRAIL receptors, as well as activation of anti-apoptotic enzymes and transcription factors. TNF-α signaling is also mediated by sphingosine kinases (SphK1 and SphK2), which are responsible for synthesis of the growth-stimulating phospholipid, sphingosine-1-phosphate (S1P). Multiple studies have demonstrated the crucial role of S1P and its transmembrane receptors (S1PR) in both the regulation of inflammatory responses and progression of cancer. Considering that the SphK/S1P/S1PR axis mediates cancer resistance, this sphingolipid signaling pathway is of mechanistic significance when considering immunotherapy-resistant malignancies. However, the exact mechanism by which sphingolipids contribute to the evasion of immune surveillance and abrogation of TNF-α-induced apoptosis remains largely unclear. This study reviews mechanisms of TNF-α-resistance in cancer cells, with emphasis on the pro-survival and immunomodulatory effects of sphingolipids. Inhibition of SphK/S1P-linked pro-survival branch may facilitate reactivation of the pro-apoptotic TNF superfamily effects, although the role of SphK/S1P inhibitors in the regulation of the TME and lymphocyte trafficking should be thoroughly assessed in future studies.
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Affiliation(s)
- Olga A Sukocheva
- Department of Hepatology, Royal Adelaide Hospital, Adelaide, SA, 5000, Australia.
| | - Margarita E Neganova
- Institute of Physiologically Active Compounds at Federal Research Center of Problems of Chemical Physics and Medicinal Chemistry, Russian Academy of Sciences, Chernogolovka, 142432, Russian Federation
- Arbuzov Institute of Organic and Physical Chemistry, Federal Research Center, Kazan Scientific Center, Russian Academy of Sciences, Kazan, 420088, Russian Federation
| | - Yulia Aleksandrova
- Institute of Physiologically Active Compounds at Federal Research Center of Problems of Chemical Physics and Medicinal Chemistry, Russian Academy of Sciences, Chernogolovka, 142432, Russian Federation
- Arbuzov Institute of Organic and Physical Chemistry, Federal Research Center, Kazan Scientific Center, Russian Academy of Sciences, Kazan, 420088, Russian Federation
| | - Jack T Burcher
- College of Osteopathic Medicine, Lake Erie College of Osteopathic Medicine, Bradenton, FL, 34211, USA
| | - Elena Chugunova
- Arbuzov Institute of Organic and Physical Chemistry, Federal Research Center, Kazan Scientific Center, Russian Academy of Sciences, Kazan, 420088, Russian Federation
| | - Ruitai Fan
- Department of Radiation Oncology, Cancer Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
| | - Edmund Tse
- Department of Hepatology, Royal Adelaide Hospital, Adelaide, SA, 5000, Australia
| | - Gautam Sethi
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, 117600, Singapore
| | - Anupam Bishayee
- College of Osteopathic Medicine, Lake Erie College of Osteopathic Medicine, Bradenton, FL, 34211, USA.
| | - Junqi Liu
- Department of Radiation Oncology, Cancer Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China.
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Li D, Shi W, Hu C, Wen C, Huang L, Wang Q. Lipidomics Analysis Deepen Understanding the Molecular Mechanisms in a Gouty Model Induced by Combination of MSU Crystals Injection and High-Fat Diet Feeding and the Intervention Mechanisms of Allopurinol. J Inflamm Res 2024; 17:1003-1018. [PMID: 38370465 PMCID: PMC10874778 DOI: 10.2147/jir.s443358] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2023] [Accepted: 01/30/2024] [Indexed: 02/20/2024] Open
Abstract
Background Gouty arthritis (GA) is a common inflammatory disease caused by deposition of monosodium urate (MSU) crystals in diarthrodial joints. GA attacks commonly involved in joint with red, swollen, heat and pain, and often happened in unilateral foot-first metatarsophalangeal. Accumulated studies have proved that lipids play critical roles in biological processes and lipids biomarkers can substitute for the diagnosis of various diseases. Methods Herein, shotgun lipidomics was used to quantitatively analyze serum lipidomes of a gouty model which was induced by injecting MSU crystals and feeding high-fat diet with/without treatment with allopurinol. Meanwhile, ELISA kit was used to detect mouse serum levels of inflammatory cytokines (eg, tumor necrosis factor-α, interleukin 1 beta) and HE staining was used to observe the infiltration of inflammatory cells in the foot pad. Results A total of 9 types of serum lipids were detected in lipidomics by shotguns, and the result of NMDS' analysis demonstrated significant differences in lipids profiles between the control and model group. It is worth noting that lipid abnormality in GA (such as Ceramide (Cer), sphingomyelin (SM), 4-hydroxyalkenals (HNE), phosphatidylinositol (PI), ethanolamine glycerophospholipid (PE), etc.) is related with phospholipid and energy metabolism, and allopurinol treatment could correct the aberrant metabolism of lipid to some extent. Conclusion Our results indicated that various aberrant lipid metabolisms were present in the established gouty model, and allopurinol treatment could relief this aberrant metabolism of lipids to some degree.
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Affiliation(s)
- Dianming Li
- College of Basic Medical Sciences, Zhejiang Chinese Medical University, Hangzhou City, People’s Republic of China
| | - Weiman Shi
- College of Basic Medical Sciences, Zhejiang Chinese Medical University, Hangzhou City, People’s Republic of China
| | - Changfeng Hu
- College of Basic Medical Sciences, Zhejiang Chinese Medical University, Hangzhou City, People’s Republic of China
- Key Laboratory of Chinese Medicine Rheumatology of Zhejiang Province, Hangzhou City, People’s Republic of China
| | - Chengping Wen
- College of Basic Medical Sciences, Zhejiang Chinese Medical University, Hangzhou City, People’s Republic of China
- Key Laboratory of Chinese Medicine Rheumatology of Zhejiang Province, Hangzhou City, People’s Republic of China
| | - Lin Huang
- College of Basic Medical Sciences, Zhejiang Chinese Medical University, Hangzhou City, People’s Republic of China
- Key Laboratory of Chinese Medicine Rheumatology of Zhejiang Province, Hangzhou City, People’s Republic of China
| | - Qiao Wang
- College of Basic Medical Sciences, Zhejiang Chinese Medical University, Hangzhou City, People’s Republic of China
- Key Laboratory of Chinese Medicine Rheumatology of Zhejiang Province, Hangzhou City, People’s Republic of China
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4
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Conway J, Certo M, Lord JM, Mauro C, Duggal NA. Understanding the role of host metabolites in the induction of immune senescence: Future strategies for keeping the ageing population healthy. Br J Pharmacol 2022; 179:1808-1824. [PMID: 34435354 DOI: 10.1111/bph.15671] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Revised: 08/12/2021] [Accepted: 08/19/2021] [Indexed: 12/24/2022] Open
Abstract
Advancing age is accompanied by significant remodelling of the immune system, termed immune senescence, and increased systemic inflammation, termed inflammageing, both of which contribute towards an increased risk of developing chronic diseases in old age. Age-associated alterations in metabolic homeostasis have been linked with changes in a range of physiological functions, but their effects on immune senescence remains poorly understood. In this article, we review the recent literature to formulate hypotheses as to how an age-associated dysfunctional metabolism, driven by an accumulation of key host metabolites (saturated fatty acids, cholesterol, ceramides and lactate) and loss of other metabolites (glutamine, tryptophan and short-chain fatty acids), might play a role in driving immune senescence and inflammageing, ultimately leading to diseases of old age. We also highlight the potential use of metabolic immunotherapeutic strategies targeting these processes in counteracting immune senescence and restoring immune homeostasis in older adults. LINKED ARTICLES: This article is part of a themed issue on Inflammation, Repair and Ageing. To view the other articles in this section visit http://onlinelibrary.wiley.com/doi/10.1111/bph.v179.9/issuetoc.
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Affiliation(s)
- Jessica Conway
- Institute of Inflammation and Ageing, University of Birmingham, Birmingham, UK
- MRC-Versus Arthritis Centre for Musculoskeletal Ageing Research, University of Birmingham, Birmingham, UK
| | - Michelangelo Certo
- Institute of Inflammation and Ageing, University of Birmingham, Birmingham, UK
| | - Janet M Lord
- Institute of Inflammation and Ageing, University of Birmingham, Birmingham, UK
- MRC-Versus Arthritis Centre for Musculoskeletal Ageing Research, University of Birmingham, Birmingham, UK
- NIHR Birmingham Biomedical Research Centre, University Hospitals Birmingham and University of Birmingham, Birmingham, UK
| | - Claudio Mauro
- Institute of Inflammation and Ageing, University of Birmingham, Birmingham, UK
- MRC-Versus Arthritis Centre for Musculoskeletal Ageing Research, University of Birmingham, Birmingham, UK
| | - Niharika A Duggal
- Institute of Inflammation and Ageing, University of Birmingham, Birmingham, UK
- MRC-Versus Arthritis Centre for Musculoskeletal Ageing Research, University of Birmingham, Birmingham, UK
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5
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Manifold Roles of Ceramide Metabolism in Non-Alcoholic Fatty Liver Disease and Liver Cancer. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2022; 1372:157-168. [DOI: 10.1007/978-981-19-0394-6_11] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Kucuk S, Niven J, Caamano J, Jones SW, Camacho-Muñoz D, Nicolaou A, Mauro C. Unwrapping the mechanisms of ceramide and fatty acid-initiated signals leading to immune-inflammatory responses in obesity. Int J Biochem Cell Biol 2021; 135:105972. [PMID: 33864951 DOI: 10.1016/j.biocel.2021.105972] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2020] [Revised: 03/10/2021] [Accepted: 03/31/2021] [Indexed: 02/02/2023]
Abstract
Obesity is considered a global epidemic developed in part as a consequence of the overconsumption of high fat diets. One of the main negative outcomes of obesity is the development of low-grade chronic systemic inflammation, induced by dysregulated immune responses, which can lead to multiple obesity-related diseases. Ceramides are a group of bioactive lipids known to be elevated in obesity and obesity-associated conditions, including cardiovascular disease and type II diabetes. Ceramides may be key players in promoting an obesity-induced inflammatory environment due to their ability to activate key pathways such as Toll-like receptor 4 (TLR4) and NLR pyrin domain containing receptor 3 (Nlrp3), while studies have shown that inhibition of ceramide synthesis gives rise to an anti-inflammatory environment. N-3 polyunsaturated fatty acids (n-3 PUFA) have been of interest due to their anti-inflammatory actions and shown to have beneficial effects in obesity-related diseases. This review will highlight the impact of ceramides in promoting an obesity-induced inflammatory microenvironment and discuss how n-3 PUFA could potentially counteract these responses and have a regulatory effect promoting immune homeostasis.
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Affiliation(s)
- Salih Kucuk
- Institute of Inflammation and Ageing, College of Medical and Dental Sciences, University of Birmingham, Birmingham, UK
| | - Jennifer Niven
- Institute of Inflammation and Ageing, College of Medical and Dental Sciences, University of Birmingham, Birmingham, UK
| | - Jorge Caamano
- Institute of Immunology and Immunotherapy, College of Medical and Dental Sciences, University of Birmingham, Birmingham, UK
| | - Simon W Jones
- Institute of Inflammation and Ageing, College of Medical and Dental Sciences, University of Birmingham, Birmingham, UK
| | - Dolores Camacho-Muñoz
- Laboratory for Lipidomics and Lipid Biology, Division of Pharmacy and Optometry, Faculty of Biology, Medicine and Health, School of Health Sciences, The University of Manchester, Manchester Academic Health Science Centre, Manchester, UK
| | - Anna Nicolaou
- Laboratory for Lipidomics and Lipid Biology, Division of Pharmacy and Optometry, Faculty of Biology, Medicine and Health, School of Health Sciences, The University of Manchester, Manchester Academic Health Science Centre, Manchester, UK; Lydia Becker Institute of Immunology and Inflammation, Faculty of Biology, Medicine and Health, The University of Manchester, Manchester Academic Health Science Centre, Manchester, UK
| | - Claudio Mauro
- Institute of Inflammation and Ageing, College of Medical and Dental Sciences, University of Birmingham, Birmingham, UK.
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7
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Yokota R, Bhunu B, Toba H, Intapad S. Sphingolipids and Kidney Disease: Possible Role of Preeclampsia and Intrauterine Growth Restriction (IUGR). KIDNEY360 2021; 2:534-541. [PMID: 35369015 PMCID: PMC8786006 DOI: 10.34067/kid.0006322020] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/22/2020] [Accepted: 01/06/2021] [Indexed: 02/04/2023]
Abstract
Sphingolipids are now considered not only as constitutional components of the cellular membrane but also as essential bioactive factors regulating development and physiologic functions. Ceramide is a vital intermediate of sphingolipid metabolism, synthesized by de novo and salvage pathways, producing multiple types of sphingolipids and their metabolites. Although mutations in gene-encoding enzymes regulating sphingolipid synthesis and metabolism cause distinct diseases, an abnormal sphingolipid metabolism contributes to various pathologic conditions, including kidney diseases. Excessive accumulation of glycosphingolipids and promotion of the ceramide salvage and sphingosine-1-phosphate (S1P) pathways are found in the damaged kidney. Acceleration of the sphingosine kinase/S1P/S1P receptor (SphK/S1P/S1PR) axis plays a central role in deteriorating kidney functions. The SphK/S1P/S1PR signaling impairment is also found during pregnancy complications, such as preeclampsia and intrauterine growth restriction (IUGR). This mini-review discusses the current state of knowledge regarding the role of sphingolipid metabolism on kidney diseases, and the possible involvement of preeclampsia and IUGR conditions.
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Affiliation(s)
- Rodrigo Yokota
- Department of Pharmacology, Tulane University School of Medicine, New Orleans, Louisiana
| | - Benjamin Bhunu
- Department of Pharmacology, Tulane University School of Medicine, New Orleans, Louisiana
| | - Hiroe Toba
- Division of Pathological Sciences, Department of Clinical Pharmacology, Kyoto Pharmaceutical University, Kyoto, Japan
| | - Suttira Intapad
- Department of Pharmacology, Tulane University School of Medicine, New Orleans, Louisiana
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8
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Lipidomic analysis of epithelial corneal cells following hyperosmolarity and benzalkonium chloride exposure: New insights in dry eye disease. Biochim Biophys Acta Mol Cell Biol Lipids 2020; 1865:158728. [DOI: 10.1016/j.bbalip.2020.158728] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2019] [Revised: 03/20/2020] [Accepted: 04/22/2020] [Indexed: 02/06/2023]
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9
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Sukocheva OA, Furuya H, Ng ML, Friedemann M, Menschikowski M, Tarasov VV, Chubarev VN, Klochkov SG, Neganova ME, Mangoni AA, Aliev G, Bishayee A. Sphingosine kinase and sphingosine-1-phosphate receptor signaling pathway in inflammatory gastrointestinal disease and cancers: A novel therapeutic target. Pharmacol Ther 2020; 207:107464. [PMID: 31863815 DOI: 10.1016/j.pharmthera.2019.107464] [Citation(s) in RCA: 86] [Impact Index Per Article: 21.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Accepted: 12/10/2019] [Indexed: 02/07/2023]
Abstract
Inflammatory gastrointestinal (GI) diseases and malignancies are associated with growing morbidity and cancer-related mortality worldwide. GI tumor and inflammatory cells contain activated sphingolipid-metabolizing enzymes, including sphingosine kinase 1 (SphK1) and SphK2, that generate sphingosine-1-phosphate (S1P), a highly bioactive compound. Many inflammatory responses, including lymphocyte trafficking, are directed by circulatory S1P, present in high concentrations in both the plasma and the lymph of cancer patients. High fat and sugar diet, disbalanced intestinal flora, and obesity have recently been linked to activation of inflammation and SphK/S1P/S1P receptor (S1PR) signaling in various GI pathologies, including cancer. SphK1 overexpression and activation facilitate and enhance the development and progression of esophageal, gastric, and colon cancers. SphK/S1P axis, a mediator of inflammation in the tumor microenvironment, has recently been defined as a target for the treatment of GI disease states, including inflammatory bowel disease and colitis. Several SphK1 inhibitors and S1PR antagonists have been developed as novel anti-inflammatory and anticancer agents. In this review, we analyze the mechanisms of SphK/S1P signaling in GI tissues and critically appraise recent studies on the role of SphK/S1P/S1PR in inflammatory GI disorders and cancers. The potential role of SphK/S1PR inhibitors in the prevention and treatment of inflammation-mediated GI diseases, including GI cancer, is also evaluated.
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Affiliation(s)
- Olga A Sukocheva
- Discipline of Health Sciences, College of Nursing and Health Sciences, Flinders University, Bedford Park, South Australia 5042, Australia
| | - Hideki Furuya
- Department of Surgery, Samuel Oschin Cancer Center Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA
| | - Mei Li Ng
- Advanced Medical and Dental Institute, University Sains 13200 Kepala Batas, Pulau Pinang, Malaysia
| | - Markus Friedemann
- Institute of Clinical Chemistry and Laboratory Medicine, University Hospital `Carl Gustav Carus`, Technical University of Dresden, Dresden 01307, Germany
| | - Mario Menschikowski
- Institute of Clinical Chemistry and Laboratory Medicine, University Hospital `Carl Gustav Carus`, Technical University of Dresden, Dresden 01307, Germany
| | - Vadim V Tarasov
- Sechenov First Moscow State Medical University (Sechenov University), Moscow 119991, Russia
| | - Vladimir N Chubarev
- Sechenov First Moscow State Medical University (Sechenov University), Moscow 119991, Russia
| | - Sergey G Klochkov
- Institute of Physiologically Active Compounds, Russian Academy of Sciences, Chernogolovka 142432, Russia
| | - Margarita E Neganova
- Institute of Physiologically Active Compounds, Russian Academy of Sciences, Chernogolovka 142432, Russia
| | - Arduino A Mangoni
- Discipline of Clinical Pharmacology, College of Medicine and Public Health, Flinders University and Flinders Medical Centre, Bedford Park, South Australia 5042, Australia
| | - Gjumrakch Aliev
- Sechenov First Moscow State Medical University (Sechenov University), Moscow 119991, Russia; Institute of Physiologically Active Compounds, Russian Academy of Sciences, Chernogolovka 142432, Russia; GALLY International Research Institute, San Antonio, TX 78229, USA; Research Institute of Human Morphology, Moscow 117418, Russia
| | - Anupam Bishayee
- Lake Erie College of Osteopathic Medicine, Bradenton, FL 34211, USA.
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10
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Yaribeygi H, Bo S, Ruscica M, Sahebkar A. Ceramides and diabetes mellitus: an update on the potential molecular relationships. Diabet Med 2020; 37:11-19. [PMID: 30803019 DOI: 10.1111/dme.13943] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 02/22/2019] [Indexed: 12/12/2022]
Abstract
Recent evidence suggests that ceramides can play an important pathophysiological role in the development of diabetes. Ceramides are primarily recognized as lipid bilayer building blocks, but recent work has shown that these endogenous molecules are important intracellular signalling mediators and may exert some diabetogenic effects via molecular pathways involved in insulin resistance, β-cell apoptosis and inflammation. In the present review, we consider the available evidence on the possible roles of ceramides in diabetes mellitus and introduce eight different molecular mechanisms mediating the diabetogenic action of ceramides, categorized into those predominantly related to insulin resistance vs those mainly implicated in β-cell dysfunction. Specifically, the mechanistic evidence involves β-cell apoptosis, pancreatic inflammation, mitochondrial stress, endoplasmic reticulum stress, adipokine release, insulin receptor substrate 1 phosphorylation, oxidative stress and insulin synthesis. Collectively, the evidence suggests that therapeutic agents aimed at reducing ceramide synthesis and lowering circulating levels may be beneficial in the prevention and/or treatment of diabetes and its related complications.
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Affiliation(s)
- H Yaribeygi
- Chronic Kidney Disease Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - S Bo
- Department of Medical Sciences, AOU Città della Salute e della Scienza di Torino, University of Turin, Torino, Italy
| | - M Ruscica
- Dipartimento di Scienze Farmacologiche e Biomolecolari, Università degli Studi di Milano, Milan, Italy
| | - A Sahebkar
- Neurogenic Inflammation Research Center, Mashhad, Iran
- Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad, Iran
- School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
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11
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Sukocheva OA, Lukina E, McGowan E, Bishayee A. Sphingolipids as mediators of inflammation and novel therapeutic target in inflammatory bowel disease. ADVANCES IN PROTEIN CHEMISTRY AND STRUCTURAL BIOLOGY 2020; 120:123-158. [PMID: 32085881 DOI: 10.1016/bs.apcsb.2019.11.003] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Morbidity of inflammatory gastrointestinal (GI) diseases continues to grow resulting in worsen quality of life and increased burden on public medical systems. Complex and heterogenous illnesses, inflammatory bowel diseases (IBDs) encompass several inflammation -associated pathologies including Crohn's disease and ulcerative colitis. IBD is often initiated by a complex interplay between host genetic and environmental factors, lifestyle and diet, and intestinal bacterial components. IBD inflammatory signature was linked to the pro-inflammatory cytokine tumor necrosis factor-α (TNF-α) signaling pathway that is currently targeted by IBD therapies. Sphingolipid signaling was identified as one of the key mediators and regulators of pro-inflammatory conditions, and, specifically, TNF-α related signaling. All GI tissues and circulating immune/blood cells contain activated sphingolipid-metabolizing enzymes, including sphingosine kinases (SphK1 and SphK2) that generate sphingosine-1-phosphate (S1P), a bioactive lipid and ligand for five G-protein coupled membrane S1P receptors (S1PRs). Numerous normal and pathogenic inflammatory responses are mediated by SphK/S1P/S1PRs signaling axis including lymphocyte trafficking and activation of cytokine signaling machinery. SphK1/S1P/S1PRs axis has recently been defined as a target for the treatment of GI diseases including IBD/colitis. Several SphK1 inhibitors and S1PRs antagonists have been developed as novel anti-inflammatory agents. In this review, we discuss the mechanisms of SphK/S1P signaling in inflammation-linked GI disorders. The potential role of SphK/S1PRs inhibitors in the prevention and treatment of IBD/colitis is critically evaluated.
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Affiliation(s)
- Olga A Sukocheva
- Discipline of Health Sciences, College of Nursing and Health Sciences, Flinders University, Bedford Park, SA, Australia
| | - Elena Lukina
- Discipline of Health Sciences, College of Nursing and Health Sciences, Flinders University, Bedford Park, SA, Australia
| | - Eileen McGowan
- School of Life Sciences, Faculty of Science, University of Technology Sydney, Sydney, NSW, Australia
| | - Anupam Bishayee
- Lake Erie College of Osteopathic Medicine, Bradenton, FL, United States
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12
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Li Y, Lu Z, Zhang L, Kirkwood KL, Lopes-Virella MF, Huang Y. Acid sphingomyelinase deficiency exacerbates LPS-induced experimental periodontitis. Oral Dis 2019; 26:637-646. [PMID: 31883406 DOI: 10.1111/odi.13268] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2019] [Revised: 11/11/2019] [Accepted: 12/06/2019] [Indexed: 12/29/2022]
Abstract
BACKGROUND Mutation of the gene for acid sphingomyelinase (ASMase) causes Niemann-Pick disease. However, the effect of ASMase deficiency on periodontal health is unknown. Periodontal disease is a disease resulting from infection and inflammation of periodontal tissue and alveolar bone that support the teeth. The goal of this study was to determine the role of ASMase deficiency in periodontal inflammation and alveolar bone loss. METHODS We induced periodontitis in wild-type and ASMase-deficient (ASMase-/- ) mice with periodontal lipopolysaccharide (LPS) injection and compared the alveolar bone loss and periodontal inflammation between these mice. RESULTS Results showed that ASMase deficiency did not significantly change metabolic parameters, but exacerbated LPS-induced alveolar bone loss, osteoclastogenesis, and periodontal tissue inflammation. To understand the mechanisms by which ASMase deficiency aggravates LPS-induced periodontitis, we analyzed sphingolipids in periodontal tissues. Results showed that ASMase deficiency led to increases in not only sphingomyelin, but also ceramide (CER), a bioactive sphingolipid known to promote inflammation. Results further showed that ASMase deficiency increased CER de novo synthesis. CONCLUSION ASMase deficiency exacerbated LPS-induced alveolar bone loss and periodontal inflammation. ASMase deficiency leads to an unexpected CER increase by stimulating de novo synthesis CER, which is likely to be involved in the ASMase deficiency-exacerbated periodontitis.
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Affiliation(s)
- Yanchun Li
- Division of Endocrinology, Diabetes and Medical Genetics, Department of Medicine, College of Medicine, Medical University of South Carolina, Charleston, South Carolina
| | - Zhongyang Lu
- Division of Endocrinology, Diabetes and Medical Genetics, Department of Medicine, College of Medicine, Medical University of South Carolina, Charleston, South Carolina
| | - Lixia Zhang
- Departments of Oral Biology, School of Dental Medicine, University at Buffalo, Buffalo, New York
| | - Keith L Kirkwood
- Departments of Oral Biology, School of Dental Medicine, University at Buffalo, Buffalo, New York.,Department of Oral Oncology, Roswell Park Comprehensive Cancer Center, Buffalo, New York
| | - Maria F Lopes-Virella
- Division of Endocrinology, Diabetes and Medical Genetics, Department of Medicine, College of Medicine, Medical University of South Carolina, Charleston, South Carolina.,Ralph H. Johnson Veterans Affairs Medical Center, Charleston, South Carolina
| | - Yan Huang
- Division of Endocrinology, Diabetes and Medical Genetics, Department of Medicine, College of Medicine, Medical University of South Carolina, Charleston, South Carolina.,Ralph H. Johnson Veterans Affairs Medical Center, Charleston, South Carolina
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Deletion of MCP-1 Impedes Pathogenesis of Acid Ceramidase Deficiency. Sci Rep 2018; 8:1808. [PMID: 29379059 PMCID: PMC5789088 DOI: 10.1038/s41598-018-20052-6] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2017] [Accepted: 01/10/2018] [Indexed: 12/22/2022] Open
Abstract
Farber Disease (FD) is an ultra-rare Lysosomal Storage Disorder caused by deficient acid ceramidase (ACDase) activity. Patients with ACDase deficiency manifest a spectrum of symptoms including formation of nodules, painful joints, and a hoarse voice. Classic FD patients will develop histiocytes in organs and die in childhood. Monocyte chemotactic protein (MCP-1; CCL2) is significantly elevated in both FD patients and a mouse model we previously generated. Here, to further study MCP-1 in FD, we created an ACDase;MCP-1 double mutant mouse. We show that deletion of MCP-1 reduced leukocytosis, delayed weight loss, and improved lifespan. Reduced inflammation and fibrosis were observed in livers from double mutant animals. Bronchial alveolar lavage fluid analyses revealed a reduction in cellular infiltrates and protein accumulation. Furthermore, reduced sphingolipid accumulation was observed in the lung and liver but not in the brain. The neurological and hematopoietic defects observed in FD mice were maintained. A compensatory cytokine response was found in the double mutants, however, that may contribute to continued signs of inflammation and injury. Taken together, targeting a reduction of MCP-1 opens the door to a better understanding of the mechanistic consequences of ceramide accumulation and may even delay the progression of FD in some organ systems.
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14
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The role of sphingolipids in psychoactive drug use and addiction. J Neural Transm (Vienna) 2018; 125:651-672. [DOI: 10.1007/s00702-018-1840-1] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2017] [Accepted: 01/03/2018] [Indexed: 12/14/2022]
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15
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Dietary and Endogenous Sphingolipid Metabolism in Chronic Inflammation. Nutrients 2017; 9:nu9111180. [PMID: 29143791 PMCID: PMC5707652 DOI: 10.3390/nu9111180] [Citation(s) in RCA: 86] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2017] [Revised: 10/21/2017] [Accepted: 10/25/2017] [Indexed: 12/13/2022] Open
Abstract
Chronic inflammation is a common underlying factor in many major metabolic diseases afflicting Western societies. Sphingolipid metabolism is pivotal in the regulation of inflammatory signaling pathways. The regulation of sphingolipid metabolism is in turn influenced by inflammatory pathways. In this review, we provide an overview of sphingolipid metabolism in mammalian cells, including a description of sphingolipid structure, biosynthesis, turnover, and role in inflammatory signaling. Sphingolipid metabolites play distinct and complex roles in inflammatory signaling and will be discussed. We also review studies examining dietary sphingolipids and inflammation, derived from in vitro and rodent models, as well as human clinical trials. Dietary sphingolipids appear to influence inflammation-related chronic diseases through inhibiting intestinal lipid absorption, altering gut microbiota, activation of anti-inflammatory nuclear receptors, and neutralizing responses to inflammatory stimuli. The anti-inflammatory effects observed with consuming dietary sphingolipids are in contrast to the observation that most cellular sphingolipids play roles in augmenting inflammatory signaling. The relationship between dietary sphingolipids and low-grade chronic inflammation in metabolic disorders is complex and appears to depend on sphingolipid structure, digestion, and metabolic state of the organism. Further research is necessary to confirm the reported anti-inflammatory effects of dietary sphingolipids and delineate their impacts on endogenous sphingolipid metabolism.
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16
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Zhang N, Zhang N, Song L, Xie H, Zhao C, Li S, Zhao W, Zhao Y, Gao C, Xu G. Adipokines and free fatty acids regulate insulin sensitivity by increasing microRNA-21 expression in human mature adipocytes. Mol Med Rep 2017. [PMID: 28627656 DOI: 10.3892/mmr.2017.6769] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
Obesity is a global public health concern and may lead to a variety of complications. Previous studies have indicated that adipokines and energy‑source materials contribute to obesity and obesity‑associated insulin resistance. MicroRNAs (miRs) are endogenous 20‑ to 25‑nucleotide non‑coding RNAs associated with fat metabolism. It has been indicated that miR‑21 is associated with adipogenesis and metabolic syndrome. In the present study, the expression of miR‑21 in human mature adipocytes was analyzed using reverse transcription quantitative‑polymerase chain reaction following treatment with adipokines, including tumor necrosis factor (TNF)‑α, interleukin (IL)‑6, leptin, resistin and energy source materials, including free fatty acids (FFAs) and glucose. The current study demonstrated that the expression of miR‑21 in human mature adipocytes was upregulated following treatment with TNF‑α, IL‑6, leptin, resistin and FFAs. However, low‑ and high‑glucose did not have an effect on miR‑21 expression. These results confirmed that TNF‑α, IL‑6, leptin, resistin and FFAs may contribute to obesity and obesity‑associated insulin resistance via upregulating miR‑21 in human mature adipocytes. Therefore, miR‑21 may be a key regulatory factor of obesity and obesity‑associated insulin resistance, and represents a potential therapeutic target for the treatment of these disorders.
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Affiliation(s)
- Nannan Zhang
- Department of Laboratory Medicine, The 82nd Hospital of The People's Liberation Army, Huaian, Jiangsu 223001, P.R. China
| | - Naijian Zhang
- Department of Laboratory Medicine, The 82nd Hospital of The People's Liberation Army, Huaian, Jiangsu 223001, P.R. China
| | - Leilei Song
- Department of Laboratory Medicine, The 82nd Hospital of The People's Liberation Army, Huaian, Jiangsu 223001, P.R. China
| | - Hui Xie
- Department of Laboratory Medicine, The 82nd Hospital of The People's Liberation Army, Huaian, Jiangsu 223001, P.R. China
| | - Chao Zhao
- Department of Laboratory Medicine, The 82nd Hospital of The People's Liberation Army, Huaian, Jiangsu 223001, P.R. China
| | - Sujuan Li
- Department of Laboratory Medicine, The 82nd Hospital of The People's Liberation Army, Huaian, Jiangsu 223001, P.R. China
| | - Wenxi Zhao
- Department of Laboratory Medicine, The 82nd Hospital of The People's Liberation Army, Huaian, Jiangsu 223001, P.R. China
| | - Yaping Zhao
- Department of Laboratory Medicine, The 82nd Hospital of The People's Liberation Army, Huaian, Jiangsu 223001, P.R. China
| | - Chunlin Gao
- Department of Pediatrics, Jinling Hospital, Nanjing University School of Medicine, Nanjing, Jiangsu 210002, P.R. China
| | - Guangfeng Xu
- Department of Laboratory Medicine, The 82nd Hospital of The People's Liberation Army, Huaian, Jiangsu 223001, P.R. China
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Oteng AB, Bhattacharya A, Brodesser S, Qi L, Tan NS, Kersten S. Feeding Angptl4-/- mice trans fat promotes foam cell formation in mesenteric lymph nodes without leading to ascites. J Lipid Res 2017; 58:1100-1113. [PMID: 28412693 DOI: 10.1194/jlr.m074278] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2016] [Revised: 04/10/2017] [Indexed: 12/28/2022] Open
Abstract
Angiopoietin-like 4 (ANGPTL4) regulates plasma triglyceride levels by inhibiting LPL. Inactivation of ANGPTL4 decreases plasma triglycerides and reduces the risk of coronary artery disease. Unfortunately, targeting ANGPTL4 for the therapeutic management of dyslipidemia and atherosclerosis is hampered by the observation that mice and monkeys in which ANGPTL4 is inactivated exhibit lipid accumulation in the mesenteric lymph nodes (MLNs). In mice these pathological events exclusively unfold upon feeding a high saturated FA diet and are followed by an ultimately lethal pro-inflammatory response and chylous ascites. Here, we show that Angptl4-/- mice fed a diet rich in trans FAs develop numerous lipid-filled giant cells in their MLNs, yet do not have elevated serum amyloid and haptoglobin, do not exhibit ascites, and survive, unlike Angptl4-/- mice fed a saturated FA-rich diet. In RAW264.7 macrophages, the saturated FA, palmitate, markedly increased markers of inflammation and the unfolded protein response, whereas the trans-unsaturated elaidate and the cis-unsaturated oleate had the opposite effect. In conclusion, trans and saturated FAs have very distinct biological effects in macrophages. Furthermore, lipid accumulation in MLNs is uncoupled from activation of an acute-phase response and chylous ascites, suggesting that ANGPTL4 should not be fully dismissed as target for dyslipidemia.
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Affiliation(s)
- Antwi-Boasiako Oteng
- Nutrition, Metabolism, and Genomics Group, Division of Human Nutrition, Wageningen University, Wageningen, The Netherlands
| | - Asmita Bhattacharya
- Division of Metabolism, Endocrinology, and Diabetes, University of Michigan Medical School, Ann Arbor, MI
| | - Susanne Brodesser
- Cologne Excellence Cluster on Cellular Stress Responses in Aging-Associated Diseases (CECAD), Lipidomics Core Facility, University of Cologne, Cologne, Germany
| | - Ling Qi
- Division of Metabolism, Endocrinology, and Diabetes, University of Michigan Medical School, Ann Arbor, MI
| | - Nguan Soon Tan
- School of Biological Sciences and Lee Kong Chian School of Medicine, Nanyang Technological University, Institute of Molecular and Cell Biology, Agency for Science Technology and Research, and KK Research Centre, KK Women's and Children's Hospital, Singapore
| | - Sander Kersten
- Nutrition, Metabolism, and Genomics Group, Division of Human Nutrition, Wageningen University, Wageningen, The Netherlands .,Division of Nutritional Sciences, Cornell University, Ithaca, NY
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18
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Gessner DK, Winkler A, Koch C, Dusel G, Liebisch G, Ringseis R, Eder K. Analysis of hepatic transcript profile and plasma lipid profile in early lactating dairy cows fed grape seed and grape marc meal extract. BMC Genomics 2017; 18:253. [PMID: 28335726 PMCID: PMC5364584 DOI: 10.1186/s12864-017-3638-1] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2016] [Accepted: 03/17/2017] [Indexed: 12/22/2022] Open
Abstract
Background It was recently reported that dairy cows fed a polyphenol-rich grape seed and grape marc meal extract (GSGME) during the transition period had an increased milk yield, but the underlying reasons remained unclear. As polyphenols exert a broad spectrum of metabolic effects, we hypothesized that feeding of GSGME influences metabolic pathways in the liver which could account for the positive effects of GSGME in dairy cows. In order to identify these pathways, we performed genome-wide transcript profiling in the liver and lipid profiling in plasma of dairy cows fed GSGME during the transition period at 1 week postpartum. Results Transcriptomic analysis of the liver revealed 207 differentially expressed transcripts, from which 156 were up- and 51 were down-regulated, between cows fed GSGME and control cows. Gene set enrichment analysis of the 155 up-regulated mRNAs showed that the most enriched gene ontology (GO) biological process terms were dealing with cell cycle regulation and the most enriched Kyoto Encyclopedia of Genes and Genomes pathways were p53 signaling and cell cycle. Functional analysis of the 43 down-regulated mRNAs revealed that a great part of these genes are involved in endoplasmic reticulum (ER) stress-induced unfolded protein response (UPR) and inflammatory processes. Accordingly, protein folding, response to unfolded protein, unfolded protein binding, chemokine activity and heat shock protein binding were identified as one of the most enriched GO biological process and molecular function terms assigned to the down-regulated genes. In line with the transcriptomics data the plasma concentrations of the acute phase proteins serum amyloid A (SAA) and haptoglobin were reduced in cows fed GSGME compared to control cows. Lipidomic analysis of plasma revealed no differences in the concentrations of individual species of major and minor lipid classes between cows fed GSGME and control cows. Conclusions Analysis of hepatic transcript profile in cows fed GSGME during the transition period at 1 week postpartum indicates that polyphenol-rich feed components are able to inhibit ER stress-induced UPR and inflammatory processes, both of which are considered to contribute to liver-associated diseases and to impair milk performance in dairy cows, in the liver of dairy cows during early lactation. Electronic supplementary material The online version of this article (doi:10.1186/s12864-017-3638-1) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Denise K Gessner
- Institute of Animal Nutrition and Nutrition Physiology, Justus-Liebig-University Giessen, Heinrich-Buff-Ring 26-32, Giessen, 35392, Germany
| | - Anne Winkler
- Educational and Research Centre for Animal Husbandry, Hofgut Neumuehle, Muenchweiler an der Alsenz, 67728, Germany
| | - Christian Koch
- Department Life Sciences and Engineering, University of Applied Sciences, Bingen am Rhein, 55411, Germany
| | - Georg Dusel
- Educational and Research Centre for Animal Husbandry, Hofgut Neumuehle, Muenchweiler an der Alsenz, 67728, Germany
| | - Gerhard Liebisch
- Institute of Clinical Chemistry and Laboratory Medicine, University Hospital of Regensburg, Franz-Josef-Strauss-Allee 11, Regensburg, 93053, Germany
| | - Robert Ringseis
- Institute of Animal Nutrition and Nutrition Physiology, Justus-Liebig-University Giessen, Heinrich-Buff-Ring 26-32, Giessen, 35392, Germany
| | - Klaus Eder
- Institute of Animal Nutrition and Nutrition Physiology, Justus-Liebig-University Giessen, Heinrich-Buff-Ring 26-32, Giessen, 35392, Germany.
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Dworski S, Lu P, Khan A, Maranda B, Mitchell JJ, Parini R, Di Rocco M, Hugle B, Yoshimitsu M, Magnusson B, Makay B, Arslan N, Guelbert N, Ehlert K, Jarisch A, Gardner-Medwin J, Dagher R, Terreri MT, Lorenco CM, Barillas-Arias L, Tanpaiboon P, Solyom A, Norris JS, He X, Schuchman EH, Levade T, Medin JA. Acid Ceramidase Deficiency is characterized by a unique plasma cytokine and ceramide profile that is altered by therapy. Biochim Biophys Acta Mol Basis Dis 2016; 1863:386-394. [PMID: 27915031 DOI: 10.1016/j.bbadis.2016.11.031] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2016] [Revised: 11/17/2016] [Accepted: 11/30/2016] [Indexed: 12/21/2022]
Abstract
Acid Ceramidase Deficiency (Farber disease, FD) is an ultra-rare Lysosomal Storage Disorder that is poorly understood and often misdiagnosed as Juvenile Idiopathic Arthritis (JIA). Hallmarks of FD are accumulation of ceramides, widespread macrophage infiltration, splenomegaly, and lymphocytosis. The cytokines involved in this abnormal hematopoietic state are unknown. There are dozens of ceramide species and derivatives, but the specific ones that accumulate in FD have not been investigated. We used a multiplex assay to analyze cytokines and mass spectrometry to analyze ceramides in plasma from patients and mice with FD, controls, Farber patients treated by hematopoietic stem cell transplantation (HSCT), JIA patients, and patients with Gaucher disease. KC, MIP-1α, and MCP-1 were sequentially upregulated in plasma from FD mice. MCP-1, IL-10, IL-6, IL-12, and VEGF levels were elevated in plasma from Farber patients but not in control or JIA patients. C16-Ceramide (C16-Cer) and dhC16-Cer were upregulated in plasma from FD mice. a-OH-C18-Cer, dhC12-Cer, dhC24:1-Cer, and C22:1-Cer-1P accumulated in plasma from patients with FD. Most cytokines and only a-OH-C18-Cer returned to baseline levels in HSCT-treated Farber patients. Sphingosines were not altered. Chitotriosidase activity was also relatively low. A unique cytokine and ceramide profile was seen in the plasma of Farber patients that was not observed in plasma from HSCT-treated Farber patients, JIA patients, or Gaucher patients. The cytokine profile can potentially be used to prevent misdiagnosis of Farber as JIA and to monitor the response to treatment. Further understanding of why these signaling molecules and lipids are elevated can lead to better understanding of the etiology and pathophysiology of FD and inform development of future treatments.
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Affiliation(s)
- Shaalee Dworski
- Institute of Medical Science, University of Toronto, Toronto M5G 1L7, Canada
| | - Ping Lu
- Department of Microbiology and Immunology, Hollings Cancer Center, Medical University of South Carolina, Charleston, SC 29425-5040, USA
| | - Aneal Khan
- Medical Genetics and Pediatrics, University of Calgary, Alberta Children's Hospital, Calgary T3B 6A8, Canada
| | - Bruno Maranda
- Department of Genetics, Centre Hospitalier Universitaire de Sherbrooke, Sherbrooke J1G 2E8, Canada
| | - John J Mitchell
- Department of Medical Genetics, McGill University, Montréal H3A 0G4, Canada; Department of Pediatrics, McGill University, Montréal H3A 0G4, Canada
| | - Rossella Parini
- Pediatric Department, University Milano Bicocca, San Gerardo Hospital, Monza 20126, Italy
| | | | - Boris Hugle
- German Center for Paediatric and Adolescent Rheumatology, Garmisch-Partenkirchen 82467, Germany
| | - Makoto Yoshimitsu
- Division of Hematology and Immunology, Center for Chronic Viral Diseases, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima 890-8544, Japan
| | - Bo Magnusson
- Pediatric Rheumatology, Karolinska University Hospital, Stockholm 171 76, Sweden
| | - Balahan Makay
- Pediatric Rheumatology, Dokuz Eylul University, Izmir 35210, Turkey
| | - Nur Arslan
- Gastroenterology and Metabolic Diseases, Dokuz Eylul University, Izmir 35210, Turkey
| | | | - Karoline Ehlert
- Department of Paediatric Oncology and Haematology, Medical University of Greifswald, Greifswald 17475, Germany
| | - Andrea Jarisch
- Department of Paediatric Oncology and Haematology, Goethe University, Frankfurt 60323, Germany
| | - Janet Gardner-Medwin
- Pediatric Rheumatology, University of Glasgow, Glasgow G12 8QQ, Scotland, United Kingdom
| | - Rawane Dagher
- Pediatric Rheumatology, Notre Dame De Secours University Hospital, Byblos, Lebanon
| | - Maria Teresa Terreri
- Pediatric Rheumatology, Federal University of Sao Paulo, Sao Paulo 04023-900, Brazil
| | - Charles Marques Lorenco
- Neurogenetics, Hospital of Ribeirao Preto, University of Sao Paulo, Sao Paulo 04023-900, Brazil
| | - Lilianna Barillas-Arias
- Pediatric Rheumatology, Bernard & Millie Duker Children's Hospital, Albany Medical Center, Albany, NY 12208, USA
| | - Pranoot Tanpaiboon
- Metabolic Diseases, Children's National Health System, Washington, DC 20010, USA
| | | | - James S Norris
- Department of Microbiology and Immunology, Hollings Cancer Center, Medical University of South Carolina, Charleston, SC 29425-5040, USA
| | - Xingxuan He
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY 10029-6574, USA
| | - Edward H Schuchman
- Plexcera Therapeutics, New York, NY 10029-6574, USA; Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY 10029-6574, USA
| | - Thierry Levade
- Laboratoire de Biochimie Métabolique, Institut Fédératif de Biologie, CHU Purpan, and INSERM UMR1037 CRCT, Toulouse 31037 Cedex 1, France
| | - Jeffrey A Medin
- Institute of Medical Science, University of Toronto, Toronto M5G 1L7, Canada; Department of Medical Biophysics, University of Toronto, Toronto M5G 1L7, Canada; University Health Network, Toronto M5G 1L7, Canada; Medical College of Wisconsin, Milwaukee, WI 53226, USA.
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20
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Fernández-Rodríguez C, González-Reimers E, Quintero-Platt G, de la Vega-Prieto MJ, Pérez-Hernández O, Martín-González C, Espelosín-Ortega E, Romero-Acevedo L, Santolaria-Fernández F. Homocysteine, Liver Function Derangement and Brain Atrophy in Alcoholics. Alcohol Alcohol 2016; 51:691-697. [PMID: 27261471 DOI: 10.1093/alcalc/agw031] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2016] [Accepted: 05/03/2016] [Indexed: 12/26/2022] Open
Abstract
AIMS Hyperhomocysteinemia may be involved in the development of brain atrophy in alcoholics. Its pathogenesis is multifactorial. In the present study, we analyse the relationship between homocysteine levels and brain atrophy, and the relative weight of co-existing factors such as liver function impairment, the amount of ethanol consumed, serum vitamin B12, B6, and folic acid levels on homocysteine levels and brain alterations in alcoholic patients. METHODS We included 59 patients admitted to this hospital for major withdrawal symptoms and 24 controls. The mini-mental state examination test and a brain computed tomography (CT) scan were performed and several indices were calculated. Serum levels of homocysteine, folic acid, vitamin B6 and vitamin B12 were determined. Liver function was assessed by Child-Pugh score. The daily consumption of ethanol in grams per day and years of addiction were recorded. RESULTS A total of 83.6% and 80% of the patients showed cerebellar or frontal atrophy, respectively. Patients showed altered values of brain indices, higher levels of homocysteine and vitamin B12, but lower levels of folic acid, compared with controls. Homocysteine, B12 and liver function variables showed significant correlations with brain CT indices. Multivariate analyses disclosed that Pugh's score, albumin and bilirubin were independently related to cerebellar atrophy, frontal atrophy, cella index or ventricular index. Serum vitamin B12 was the only factor independently related to Evans index. It was also related to cella index, but after bilirubin. Homocysteine levels were independently related to ventricular index, but after bilirubin. CONCLUSION Vitamin B12 and homocysteine levels are higher among alcoholics. Liver function derangement, vitamin B12 and homocysteine are all independently related to brain atrophy, although not to cognitive alterations. SHORT SUMMARY Hyperhomocysteinemia has been described in alcoholics and may be related to brain atrophy, a reversible condition with an obscure pathogenesis. We studied 59 patients and found that liver function derangement, vitamin B12 and homocysteine levels are all independently related to brain atrophy assessed by computed tomography, although we found no association between these parameters and cognitive alterations.
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Affiliation(s)
- Camino Fernández-Rodríguez
- Servicio de Medicina Interna, Hospital Universitario de Canarias, Universidad de La Laguna, Tenerife 38320, Canary Islands, Spain
| | - Emilio González-Reimers
- Servicio de Medicina Interna, Hospital Universitario de Canarias, Universidad de La Laguna, Tenerife 38320, Canary Islands, Spain
| | - Geraldine Quintero-Platt
- Servicio de Medicina Interna, Hospital Universitario de Canarias, Universidad de La Laguna, Tenerife 38320, Canary Islands, Spain
| | - María José de la Vega-Prieto
- Laboratorio Central, Hospital Universitario de Canarias, Universidad de La Laguna, Tenerife 38320, Canary Islands, Spain
| | - Onán Pérez-Hernández
- Servicio de Medicina Interna, Hospital Universitario de Canarias, Universidad de La Laguna, Tenerife 38320, Canary Islands, Spain
| | - Candelaria Martín-González
- Servicio de Medicina Interna, Hospital Universitario de Canarias, Universidad de La Laguna, Tenerife 38320, Canary Islands, Spain
| | - Elisa Espelosín-Ortega
- Laboratorio Central, Hospital Universitario de Canarias, Universidad de La Laguna, Tenerife 38320, Canary Islands, Spain
| | - Lucía Romero-Acevedo
- Servicio de Medicina Interna, Hospital Universitario de Canarias, Universidad de La Laguna, Tenerife 38320, Canary Islands, Spain
| | - Francisco Santolaria-Fernández
- Servicio de Medicina Interna, Hospital Universitario de Canarias, Universidad de La Laguna, Tenerife 38320, Canary Islands, Spain
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21
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Laaksonen R, Ekroos K, Sysi-Aho M, Hilvo M, Vihervaara T, Kauhanen D, Suoniemi M, Hurme R, März W, Scharnagl H, Stojakovic T, Vlachopoulou E, Lokki ML, Nieminen MS, Klingenberg R, Matter CM, Hornemann T, Jüni P, Rodondi N, Räber L, Windecker S, Gencer B, Pedersen ER, Tell GS, Nygård O, Mach F, Sinisalo J, Lüscher TF. Plasma ceramides predict cardiovascular death in patients with stable coronary artery disease and acute coronary syndromes beyond LDL-cholesterol. Eur Heart J 2016; 37:1967-76. [PMID: 27125947 PMCID: PMC4929378 DOI: 10.1093/eurheartj/ehw148] [Citation(s) in RCA: 386] [Impact Index Per Article: 48.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/08/2016] [Accepted: 03/17/2016] [Indexed: 12/12/2022] Open
Abstract
Aims The aim was to study the prognostic value of plasma ceramides (Cer) as cardiovascular death (CV death) markers in three independent coronary artery disease (CAD) cohorts. Methods and results Corogene study is a prospective Finnish cohort including stable CAD patients (n = 160). Multiple lipid biomarkers and C-reactive protein were measured in addition to plasma Cer(d18:1/16:0), Cer(d18:1/18:0), Cer(d18:1/24:0), and Cer(d18:1/24:1). Subsequently, the association between high-risk ceramides and CV mortality was investigated in the prospective Special Program University Medicine—Inflammation in Acute Coronary Syndromes (SPUM-ACS) cohort (n = 1637), conducted in four Swiss university hospitals. Finally, the results were validated in Bergen Coronary Angiography Cohort (BECAC), a prospective Norwegian cohort study of stable CAD patients. Ceramides, especially when used in ratios, were significantly associated with CV death in all studies, independent of other lipid markers and C-reactive protein. Adjusted odds ratios per standard deviation for the Cer(d18:1/16:0)/Cer(d18:1/24:0) ratio were 4.49 (95% CI, 2.24–8.98), 1.64 (1.29–2.08), and 1.77 (1.41–2.23) in the Corogene, SPUM-ACS, and BECAC studies, respectively. The Cer(d18:1/16:0)/Cer(d18:1/24:0) ratio improved the predictive value of the GRACE score (net reclassification improvement, NRI = 0.17 and ΔAUC = 0.09) in ACS and the predictive value of the Marschner score in stable CAD (NRI = 0.15 and ΔAUC = 0.02). Conclusions Distinct plasma ceramide ratios are significant predictors of CV death both in patients with stable CAD and ACS, over and above currently used lipid markers. This may improve the identification of high-risk patients in need of more aggressive therapeutic interventions.
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Affiliation(s)
- Reijo Laaksonen
- Zora Biosciences, Espoo, Finland Medical School, Tampere University, Tampere, Finland Finnish Clinical Biobank Tampere, University Hospital of Tampere, Tampere, Finland
| | | | | | | | | | | | | | | | - Winfried März
- Medical Clinic V (Nephrology, Hypertensiology, Rheumatology, Endocrinology, Diabetology), Medical Faculty Mannheim, University of Heidelberg, Heidelberg, Germany synlab Academy, synlab Holding Deutschland GmbH, Mannheim and Augsburg, Germany
| | - Hubert Scharnagl
- Clinical Institute of Medical and Chemical Laboratory Diagnostics, Medical University Graz, Graz, Austria
| | - Tatjana Stojakovic
- Clinical Institute of Medical and Chemical Laboratory Diagnostics, Medical University Graz, Graz, Austria
| | - Efthymia Vlachopoulou
- Transplantation Laboratory, Haartman Institute, University of Helsinki, Helsinki, Finland
| | - Marja-Liisa Lokki
- Transplantation Laboratory, Haartman Institute, University of Helsinki, Helsinki, Finland
| | - Markku S Nieminen
- Transplantation Laboratory, Haartman Institute, University of Helsinki, Helsinki, Finland Heart and Lung Center, Helsinki University Hospital, Helsinki, Finland
| | - Roland Klingenberg
- Department of Cardiology, University Heart Center, University Hospital Zürich and University of Zürich, Zürich, Switzerland
| | - Christian M Matter
- Department of Cardiology, University Heart Center, University Hospital Zürich and University of Zürich, Zürich, Switzerland
| | - Thorsten Hornemann
- Institute of Clinical Chemistry, University Hospital, Zürich, Switzerland
| | - Peter Jüni
- Applied Health Research Centre (AHRC), Li Ka Shing Knowledge Institute of St. Michael's Hospital, and Department of Medicine, University of Toronto, Toronto, Canada
| | - Nicolas Rodondi
- Department of General Internal Medicine, University Hospital Bern, Bern, Switzerland Department of Ambulatory Care and Community Medicine, University of Lausanne, Lausanne, Switzerland
| | - Lorenz Räber
- Cardiovascular Center, Department of Cardiology, University Hospital Bern, Bern, Switzerland
| | - Stephan Windecker
- Cardiovascular Center, Department of Cardiology, University Hospital Bern, Bern, Switzerland
| | - Baris Gencer
- Cardiovascular Center, Department of Cardiology, University Hospital Geneva, Geneva, Switzerland
| | | | - Grethe S Tell
- Department of Global Public Health and Primary Care, University of Bergen, Bergen, Norway
| | - Ottar Nygård
- Department of Clinical Science, University of Bergen, Bergen, Norway Department of Heart Disease, Haukeland University Hospital, Bergen, Norway
| | - Francois Mach
- Cardiovascular Center, Department of Cardiology, University Hospital Geneva, Geneva, Switzerland
| | - Juha Sinisalo
- Transplantation Laboratory, Haartman Institute, University of Helsinki, Helsinki, Finland Heart and Lung Center, Helsinki University Hospital, Helsinki, Finland
| | - Thomas F Lüscher
- Institute of Clinical Chemistry, University Hospital, Zürich, Switzerland
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Mardare C, Krüger K, Liebisch G, Seimetz M, Couturier A, Ringseis R, Wilhelm J, Weissmann N, Eder K, Mooren FC. Endurance and Resistance Training Affect High Fat Diet-Induced Increase of Ceramides, Inflammasome Expression, and Systemic Inflammation in Mice. J Diabetes Res 2016; 2016:4536470. [PMID: 26788518 PMCID: PMC4691630 DOI: 10.1155/2016/4536470] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/06/2015] [Revised: 08/19/2015] [Accepted: 08/20/2015] [Indexed: 12/12/2022] Open
Abstract
The study aimed to investigate the effects of differentiated exercise regimes on high fat-induced metabolic and inflammatory pathways. Mice were fed a standard diet (ST) or a high fat diet (HFD) and subjected to regular endurance training (ET) or resistance training (RT). After 10 weeks body weight, glucose tolerance, fatty acids (FAs), circulating ceramides, cytokines, and immunological mediators were determined. The HFD induced a significant increase in body weight and a disturbed glucose tolerance (p < 0.05). An increase of plasma FA, ceramides, and inflammatory mediators in adipose tissue and serum was found (p < 0.05). Both endurance and resistance training decreased body weight (p < 0.05) and reduced serum ceramides (p < 0.005). While RT attenuated the increase of NLRP-3 (RT) expression in adipose tissue, ET was effective in reducing TNF-α and IL-18 expression. Furthermore, ET reduced levels of MIP-1γ, while RT decreased levels of IL-18, MIP-1γ, Timp-1, and CD40 in serum (p < 0.001), respectively. Although both exercise regimes improved glucose tolerance (p < 0.001), ET was more effective than RT. These results suggest that exercise improves HFD-induced complications possibly through a reduction of ceramides, the reduction of inflammasome activation in adipose tissues, and a systemic downregulation of inflammatory cytokines.
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Affiliation(s)
- Cornelia Mardare
- Department of Sports Medicine, Institute of Sports Sciences, Justus-Liebig-University, 35394 Giessen, Germany
- *Cornelia Mardare:
| | - Karsten Krüger
- Department of Sports Medicine, Institute of Sports Sciences, Justus-Liebig-University, 35394 Giessen, Germany
| | - Gerhard Liebisch
- Institute of Clinical Chemistry and Laboratory Medicine, University of Regensburg, 93053 Regensburg, Germany
| | - Michael Seimetz
- Universities of Giessen and Marburg Lung Center, German Center for Lung Research, Excellence Cluster Cardio-Pulmonary System, Justus-Liebig-University, 35392 Giessen, Germany
| | - Aline Couturier
- Institute of Animal Nutrition and Nutrition Physiology, Justus-Liebig-University, 35392 Giessen, Germany
| | - Robert Ringseis
- Institute of Animal Nutrition and Nutrition Physiology, Justus-Liebig-University, 35392 Giessen, Germany
| | - Jochen Wilhelm
- Universities of Giessen and Marburg Lung Center, German Center for Lung Research, Excellence Cluster Cardio-Pulmonary System, Justus-Liebig-University, 35392 Giessen, Germany
| | - Norbert Weissmann
- Universities of Giessen and Marburg Lung Center, German Center for Lung Research, Excellence Cluster Cardio-Pulmonary System, Justus-Liebig-University, 35392 Giessen, Germany
| | - Klaus Eder
- Institute of Animal Nutrition and Nutrition Physiology, Justus-Liebig-University, 35392 Giessen, Germany
| | - Frank-Christoph Mooren
- Department of Sports Medicine, Institute of Sports Sciences, Justus-Liebig-University, 35394 Giessen, Germany
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23
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Ralston JC, Metherel AH, Stark KD, Mutch DM. SCD1 mediates the influence of exogenous saturated and monounsaturated fatty acids in adipocytes: Effects on cellular stress, inflammatory markers and fatty acid elongation. J Nutr Biochem 2016; 27:241-8. [DOI: 10.1016/j.jnutbio.2015.09.011] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2015] [Revised: 09/04/2015] [Accepted: 09/09/2015] [Indexed: 01/12/2023]
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24
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Malandrino MI, Fucho R, Weber M, Calderon-Dominguez M, Mir JF, Valcarcel L, Escoté X, Gómez-Serrano M, Peral B, Salvadó L, Fernández-Veledo S, Casals N, Vázquez-Carrera M, Villarroya F, Vendrell JJ, Serra D, Herrero L. Enhanced fatty acid oxidation in adipocytes and macrophages reduces lipid-induced triglyceride accumulation and inflammation. Am J Physiol Endocrinol Metab 2015; 308:E756-69. [PMID: 25714670 DOI: 10.1152/ajpendo.00362.2014] [Citation(s) in RCA: 117] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/30/2014] [Accepted: 02/19/2015] [Indexed: 12/31/2022]
Abstract
Lipid overload in obesity and type 2 diabetes is associated with adipocyte dysfunction, inflammation, macrophage infiltration, and decreased fatty acid oxidation (FAO). Here, we report that the expression of carnitine palmitoyltransferase 1A (CPT1A), the rate-limiting enzyme in mitochondrial FAO, is higher in human adipose tissue macrophages than in adipocytes and that it is differentially expressed in visceral vs. subcutaneous adipose tissue in both an obese and a type 2 diabetes cohort. These observations led us to further investigate the potential role of CPT1A in adipocytes and macrophages. We expressed CPT1AM, a permanently active mutant form of CPT1A, in 3T3-L1 CARΔ1 adipocytes and RAW 264.7 macrophages through adenoviral infection. Enhanced FAO in palmitate-incubated adipocytes and macrophages reduced triglyceride content and inflammation, improved insulin sensitivity in adipocytes, and reduced endoplasmic reticulum stress and ROS damage in macrophages. We conclude that increasing FAO in adipocytes and macrophages improves palmitate-induced derangements. This indicates that enhancing FAO in metabolically relevant cells such as adipocytes and macrophages may be a promising strategy for the treatment of chronic inflammatory pathologies such as obesity and type 2 diabetes.
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Affiliation(s)
- Maria Ida Malandrino
- Department of Biochemistry and Molecular Biology, Institut de Biomedicina de la Universitat de Barcelona, Universitat de Barcelona, Barcelona, Spain; Institut de Biomedicina de la Universitat de Barcelona Fisiopatología de la Obesidad y la Nutrición, Instituto de Salud Carlos III, Madrid, Spain
| | - Raquel Fucho
- Department of Biochemistry and Molecular Biology, Institut de Biomedicina de la Universitat de Barcelona, Universitat de Barcelona, Barcelona, Spain; Institut de Biomedicina de la Universitat de Barcelona Fisiopatología de la Obesidad y la Nutrición, Instituto de Salud Carlos III, Madrid, Spain
| | - Minéia Weber
- Department of Biochemistry and Molecular Biology, Institut de Biomedicina de la Universitat de Barcelona, Universitat de Barcelona, Barcelona, Spain; Institut de Biomedicina de la Universitat de Barcelona Fisiopatología de la Obesidad y la Nutrición, Instituto de Salud Carlos III, Madrid, Spain
| | - María Calderon-Dominguez
- Department of Biochemistry and Molecular Biology, Institut de Biomedicina de la Universitat de Barcelona, Universitat de Barcelona, Barcelona, Spain; Institut de Biomedicina de la Universitat de Barcelona Fisiopatología de la Obesidad y la Nutrición, Instituto de Salud Carlos III, Madrid, Spain
| | - Joan Francesc Mir
- Department of Biochemistry and Molecular Biology, Institut de Biomedicina de la Universitat de Barcelona, Universitat de Barcelona, Barcelona, Spain; Institut de Biomedicina de la Universitat de Barcelona Fisiopatología de la Obesidad y la Nutrición, Instituto de Salud Carlos III, Madrid, Spain
| | - Lorea Valcarcel
- Department of Biochemistry and Molecular Biology, Institut de Biomedicina de la Universitat de Barcelona, Universitat de Barcelona, Barcelona, Spain; Institut de Biomedicina de la Universitat de Barcelona Fisiopatología de la Obesidad y la Nutrición, Instituto de Salud Carlos III, Madrid, Spain
| | - Xavier Escoté
- Endocrinology and Diabetes Unit, Joan XXIII University Hospital, Institut d'Investigació Sanitària Pere i Virgili, Universitat Rovira i Virgili, Tarragona, Spain; Institut de Biomedicina de la Universitat de Barcelona de Diabetes y Enfermedades Metabólicas Asociadas, Instituto de Salud Carlos III, Madrid, Spain
| | - María Gómez-Serrano
- Institut de Biomedicina de la Universitat de Barcelona Fisiopatología de la Obesidad y la Nutrición, Instituto de Salud Carlos III, Madrid, Spain; Instituto de Investigaciones Biomédicas Alberto Sols, Consejo Superior de Investigaciones Científicas and Universidad Autónoma de Madrid, Madrid, Spain
| | - Belén Peral
- Institut de Biomedicina de la Universitat de Barcelona Fisiopatología de la Obesidad y la Nutrición, Instituto de Salud Carlos III, Madrid, Spain; Instituto de Investigaciones Biomédicas Alberto Sols, Consejo Superior de Investigaciones Científicas and Universidad Autónoma de Madrid, Madrid, Spain
| | - Laia Salvadó
- Institut de Biomedicina de la Universitat de Barcelona de Diabetes y Enfermedades Metabólicas Asociadas, Instituto de Salud Carlos III, Madrid, Spain; Pharmacology Unit, Department of Pharmacology and Therapeutic Chemistry and Institut de Biomedicina de la Universitat de Barcelona, Faculty of Pharmacy, University of Barcelona, Barcelona, Spain; and
| | - Sonia Fernández-Veledo
- Endocrinology and Diabetes Unit, Joan XXIII University Hospital, Institut d'Investigació Sanitària Pere i Virgili, Universitat Rovira i Virgili, Tarragona, Spain; Institut de Biomedicina de la Universitat de Barcelona de Diabetes y Enfermedades Metabólicas Asociadas, Instituto de Salud Carlos III, Madrid, Spain
| | - Núria Casals
- Institut de Biomedicina de la Universitat de Barcelona Fisiopatología de la Obesidad y la Nutrición, Instituto de Salud Carlos III, Madrid, Spain; Basic Sciences Department, Faculty of Medicine and Health Sciences, Universitat Internacional de Catalunya, Barcelona, Spain
| | - Manuel Vázquez-Carrera
- Institut de Biomedicina de la Universitat de Barcelona de Diabetes y Enfermedades Metabólicas Asociadas, Instituto de Salud Carlos III, Madrid, Spain; Pharmacology Unit, Department of Pharmacology and Therapeutic Chemistry and Institut de Biomedicina de la Universitat de Barcelona, Faculty of Pharmacy, University of Barcelona, Barcelona, Spain; and
| | - Francesc Villarroya
- Department of Biochemistry and Molecular Biology, Institut de Biomedicina de la Universitat de Barcelona, Universitat de Barcelona, Barcelona, Spain; Institut de Biomedicina de la Universitat de Barcelona Fisiopatología de la Obesidad y la Nutrición, Instituto de Salud Carlos III, Madrid, Spain
| | - Joan J Vendrell
- Endocrinology and Diabetes Unit, Joan XXIII University Hospital, Institut d'Investigació Sanitària Pere i Virgili, Universitat Rovira i Virgili, Tarragona, Spain; Institut de Biomedicina de la Universitat de Barcelona de Diabetes y Enfermedades Metabólicas Asociadas, Instituto de Salud Carlos III, Madrid, Spain
| | - Dolors Serra
- Department of Biochemistry and Molecular Biology, Institut de Biomedicina de la Universitat de Barcelona, Universitat de Barcelona, Barcelona, Spain; Institut de Biomedicina de la Universitat de Barcelona Fisiopatología de la Obesidad y la Nutrición, Instituto de Salud Carlos III, Madrid, Spain
| | - Laura Herrero
- Department of Biochemistry and Molecular Biology, Institut de Biomedicina de la Universitat de Barcelona, Universitat de Barcelona, Barcelona, Spain; Institut de Biomedicina de la Universitat de Barcelona Fisiopatología de la Obesidad y la Nutrición, Instituto de Salud Carlos III, Madrid, Spain;
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Type II anti-CD20 mAb-induced lysosome mediated cell death is mediated through a ceramide-dependent pathway. Biochem Biophys Res Commun 2015; 457:572-7. [PMID: 25603047 DOI: 10.1016/j.bbrc.2015.01.026] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2014] [Accepted: 01/09/2015] [Indexed: 11/22/2022]
Abstract
In the past decade, monoclonal antibodies (mAbs) have revolutionized the treatment of non-Hodgkin lymphomas (NHLs). Although Fc-dependent mechanisms of mAb-mediated tumor clearance have been extensively studied, the ability of mAbs to directly evoke programmed cell death (PCD) and the underlying mechanisms involved remain unclear. It is well established that type II anti-CD20 mAb (Tositumomab) potently evoked PCD through a caspases-independent, lysosome-mediated process, which is related to homotypic adhesion (HA) in NHL cell lines. Herein, we reveal that the induction of ceramide generation by anti-CD20 mAbs directly correlates with their ability to induce PCD. The inhibition of ceramide abrogated Tositumomab-induced PCD indicating that ceramide is required for the execution of cell death. Further experimental results revealed that ceramide was generated downstream of mAb-induced HA and upstream of lysosome leakage. These findings provide further insights into a previously unrecognized role for ceramide generation in mediating PCD evoked by type II anti-CD20 mAbs in Burkitt's lymphoma cells. This newly characterized cell death pathway may potentially be exploited to eliminate malignant cells.
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