1
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Hu D, Zhang H, Liu Z, Ibáñez CF, Tie C, Xie M. Sphingomyelin is involved in regulating UCP1-mediated nonshivering thermogenesis. J Lipid Res 2024; 65:100559. [PMID: 38729351 PMCID: PMC11166878 DOI: 10.1016/j.jlr.2024.100559] [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: 12/02/2023] [Revised: 04/29/2024] [Accepted: 05/02/2024] [Indexed: 05/12/2024] Open
Abstract
Adipogenesis is one of the major mechanisms for adipose tissue expansion, during which spindle-shaped mesenchymal stem cells commit to the fate of adipocyte precursors and differentiate into round-shaped fat-laden adipocytes. Here, we investigated the lipidomic profile dynamics of ex vivo-differentiated brown and white adipocytes derived from the stromal vascular fractions of interscapular brown (iBAT) and inguinal white adipose tissues. We showed that sphingomyelin was specifically enriched in terminally differentiated brown adipocytes, but not white adipocytes. In line with this, freshly isolated adipocytes of iBAT showed higher sphingomyelin content than those of inguinal white adipose tissue. Upon cold exposure, sphingomyelin abundance in iBAT gradually decreased in parallel with reduced sphingomyelin synthase 1 protein levels. Cold-exposed animals treated with an inhibitor of sphingomyelin hydrolases failed to maintain core body temperature and showed reduced oxygen consumption and iBAT UCP1 levels. Conversely, blockade of sphingomyelin synthetic enzymes resulted in enhanced nonshivering thermogenesis, reflected by elevated body temperature and UCP1 levels. Taken together, our results uncovered a relation between sphingomyelin abundance and fine-tuning of UCP1-mediated nonshivering thermogenesis.
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Affiliation(s)
- Detian Hu
- Chinese Institute for Brain Research, Zhongguancun Life Science Park, Beijing, China; Academy for Advanced Interdisciplinary Studies, Peking University, Beijing, China
| | - Houyu Zhang
- Chinese Institute for Brain Research, Zhongguancun Life Science Park, Beijing, China; Academy for Advanced Interdisciplinary Studies, Peking University, Beijing, China
| | - Zhen Liu
- Yuanpei College, Peking University, Beijing, China
| | - Carlos F Ibáñez
- Chinese Institute for Brain Research, Zhongguancun Life Science Park, Beijing, China; School of Life Sciences, Peking University, Beijing, China; Peking-Tsinghua Center for Life Sciences, Beijing, China; PKU-IDG/McGovern Institute for Brain Research, Beijing, China; Department of Neuroscience, Karolinska Institute, Stockholm, Sweden
| | - Cai Tie
- State Key Laboratory for Fine Exploration and Intelligent Development of Coal Resources, China University of Mining and Technology-Beijing, Beijing, China; School of Chemical and Environmental Engineering, China University of Mining and Technology-Beijing, Beijing, China
| | - Meng Xie
- PKU-IDG/McGovern Institute for Brain Research, Beijing, China; School of Psychological and Cognitive Sciences, Beijing Key Laboratory of Behavior and Mental Health, Peking University, Beijing, China; Department of Biosciences and Nutrition, Karolinska Institute, Flemingsberg, Sweden.
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2
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Tsugawa H, Ishihara T, Ogasa K, Iwanami S, Hori A, Takahashi M, Yamada Y, Satoh-Takayama N, Ohno H, Minoda A, Arita M. A lipidome landscape of aging in mice. NATURE AGING 2024; 4:709-726. [PMID: 38609525 DOI: 10.1038/s43587-024-00610-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/30/2022] [Accepted: 03/07/2024] [Indexed: 04/14/2024]
Abstract
Understanding the molecular mechanisms of aging is crucial for enhancing healthy longevity. We conducted untargeted lipidomics across 13 biological samples from mice at various life stages (2, 12, 19 and 24 months) to explore the potential link between aging and lipid metabolism, considering sex (male or female) and microbiome (specific pathogen-free or germ-free) dependencies. By analyzing 2,704 molecules from 109 lipid subclasses, we characterized common and tissue-specific lipidome alterations associated with aging. For example, the levels of bis(monoacylglycero)phosphate containing polyunsaturated fatty acids increased in various organs during aging, whereas the levels of other phospholipids containing saturated and monounsaturated fatty acids decreased. In addition, we discovered age-dependent sulfonolipid accumulation, absent in germ-free mice, correlating with Alistipes abundance determined by 16S ribosomal RNA gene amplicon sequencing. In the male kidney, glycolipids such as galactosylceramides, galabiosylceramides (Gal2Cer), trihexosylceramides (Hex3Cer), and mono- and digalactosyldiacylglycerols were detected, with two lipid classes-Gal2Cer and Hex3Cer-being significantly enriched in aged mice. Integrated analysis of the kidney transcriptome revealed uridine diphosphate galactosyltransferase 8A (UGT8a), alkylglycerone phosphate synthase and fatty acyl-coenzyme A reductase 1 as potential enzymes responsible for the male-specific glycolipid biosynthesis in vivo, which would be relevant to sex dependency in kidney diseases. Inhibiting UGT8 reduced the levels of these glycolipids and the expression of inflammatory cytokines in the kidney. Our study provides a valuable resource for clarifying potential links between lipid metabolism and aging.
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Affiliation(s)
- Hiroshi Tsugawa
- Laboratory for Metabolomics, RIKEN Center for Integrative Medical Sciences, Yokohama, Japan.
- Department of Biotechnology and Life Science, Tokyo University of Agriculture and Technology, Tokyo, Japan.
- Metabolome Informatics Research Team, RIKEN Center for Sustainable Resource Science, Yokohama, Japan.
- Molecular and Cellular Epigenetics Laboratory, Graduate School of Medical Life Science, Yokohama City University, Yokohama, Japan.
| | - Tomoaki Ishihara
- Laboratory for Metabolomics, RIKEN Center for Integrative Medical Sciences, Yokohama, Japan
- Department of Pharmacy, Nagasaki International University, Sasebo, Japan
| | - Kota Ogasa
- Division of Physiological Chemistry and Metabolism, Graduate School of Pharmaceutical Sciences, Keio University, Tokyo, Japan
| | - Seigo Iwanami
- Division of Physiological Chemistry and Metabolism, Graduate School of Pharmaceutical Sciences, Keio University, Tokyo, Japan
| | - Aya Hori
- Laboratory for Metabolomics, RIKEN Center for Integrative Medical Sciences, Yokohama, Japan
| | - Mikiko Takahashi
- Metabolome Informatics Research Team, RIKEN Center for Sustainable Resource Science, Yokohama, Japan
| | - Yutaka Yamada
- Metabolome Informatics Research Team, RIKEN Center for Sustainable Resource Science, Yokohama, Japan
| | - Naoko Satoh-Takayama
- Laboratory for Intestinal Ecosystem, RIKEN Center for Integrative Medical Sciences, Yokohama, Japan
| | - Hiroshi Ohno
- Laboratory for Intestinal Ecosystem, RIKEN Center for Integrative Medical Sciences, Yokohama, Japan
| | - Aki Minoda
- Laboratory for Cellular Epigenomics, RIKEN Center for Integrative Medical Sciences, Yokohama, Japan
- Department of Cell Biology, Radboud Institute for Molecular Life Sciences, Radboud University, Nijmegen, the Netherlands
| | - Makoto Arita
- Laboratory for Metabolomics, RIKEN Center for Integrative Medical Sciences, Yokohama, Japan.
- Molecular and Cellular Epigenetics Laboratory, Graduate School of Medical Life Science, Yokohama City University, Yokohama, Japan.
- Division of Physiological Chemistry and Metabolism, Graduate School of Pharmaceutical Sciences, Keio University, Tokyo, Japan.
- Human Biology-Microbiome-Quantum Research Center (WPI-Bio2Q), Keio University, Tokyo, Japan.
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3
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Richardson WJ, Humphrey SB, Sears SM, Hoffman NA, Orwick AJ, Doll MA, Doll CL, Xia C, Hernandez-Corbacho M, Snider JM, Obeid LM, Hannun YA, Snider AJ, Siskind LJ. Expression of Ceramide Synthases in Mice and Their Roles in Regulating Acyl-Chain Sphingolipids: A Framework for Baseline Levels and Future Implications in Aging and Disease. Mol Pharmacol 2024; 105:131-143. [PMID: 38164625 PMCID: PMC10877707 DOI: 10.1124/molpharm.123.000788] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Revised: 10/25/2023] [Accepted: 11/28/2023] [Indexed: 01/03/2024] Open
Abstract
Sphingolipids are an important class of lipids present in all eukaryotic cells that regulate critical cellular processes. Disturbances in sphingolipid homeostasis have been linked to several diseases in humans. Ceramides are central in sphingolipid metabolism and are largely synthesized by six ceramide synthase (CerS) isoforms (CerS1-6), each with a preference for different fatty acyl chain lengths. Although the tissue distribution of CerS mRNA expression in humans and the roles of CerS isoforms in synthesizing ceramides with different acyl chain lengths are known, it is unknown how CerS expression dictates ceramides and downstream metabolites within tissues. In this study, we analyzed sphingolipid levels and CerS mRNA expression in 3-month-old C57BL/6J mouse brain, heart, kidney, liver, lung, and skeletal muscle. The results showed that CerS expression and sphingolipid species abundance varied by tissue and that CerS expression was a predictor of ceramide species within tissues. Interestingly, although CerS expression was not predictive of complex sphingolipid species within all tissues, composite scores for CerSs contributions to total sphingolipids measured in each tissue correlated to CerS expression. Lastly, we determined that the most abundant ceramide species in mouse tissues aligned with CerS mRNA expression in corresponding human tissues (based on chain length preference), suggesting that mice are relevant preclinical models for ceramide and sphingolipid research. SIGNIFICANCE STATEMENT: The current study demonstrates that ceramide synthase (CerS) expression in specific tissues correlates not only with ceramide species but contributes to the generation of complex sphingolipids as well. As many of the CerSs and/or specific ceramide species have been implicated in disease, these studies suggest the potential for CerSs as therapeutic targets and the use of sphingolipid species as diagnostics in specific tissues.
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Affiliation(s)
- Whitney J Richardson
- Department of Medicine, Division of Medical Oncology and Hematology, University of Louisville School of Medicine, Louisville, Kentucky (W.J.R., S.B.H., S.M.S., N.A.H., A.J.O., M.A.D., L.J.S.); Department of Medicine and Stony Brook Cancer Center, Stony Brook University, Stony Brook, New York (M.H.-C., L.M.O., Y.A.H.); Northport Veteran Affairs Medical Center, Northport, New York (L.M.O., Y.A.H.); School of Nutritional Sciences, College of Agriculture, Life and Environmental Sciences, and University of Arizona Cancer Center, University of Arizona, Tucson, Arizona (C.L.D., C.X., J.M.S., A.J.S.); and Brown Cancer Center, University of Louisville, Louisville, Kentucky (L.J.S.)
| | - Sophia B Humphrey
- Department of Medicine, Division of Medical Oncology and Hematology, University of Louisville School of Medicine, Louisville, Kentucky (W.J.R., S.B.H., S.M.S., N.A.H., A.J.O., M.A.D., L.J.S.); Department of Medicine and Stony Brook Cancer Center, Stony Brook University, Stony Brook, New York (M.H.-C., L.M.O., Y.A.H.); Northport Veteran Affairs Medical Center, Northport, New York (L.M.O., Y.A.H.); School of Nutritional Sciences, College of Agriculture, Life and Environmental Sciences, and University of Arizona Cancer Center, University of Arizona, Tucson, Arizona (C.L.D., C.X., J.M.S., A.J.S.); and Brown Cancer Center, University of Louisville, Louisville, Kentucky (L.J.S.)
| | - Sophia M Sears
- Department of Medicine, Division of Medical Oncology and Hematology, University of Louisville School of Medicine, Louisville, Kentucky (W.J.R., S.B.H., S.M.S., N.A.H., A.J.O., M.A.D., L.J.S.); Department of Medicine and Stony Brook Cancer Center, Stony Brook University, Stony Brook, New York (M.H.-C., L.M.O., Y.A.H.); Northport Veteran Affairs Medical Center, Northport, New York (L.M.O., Y.A.H.); School of Nutritional Sciences, College of Agriculture, Life and Environmental Sciences, and University of Arizona Cancer Center, University of Arizona, Tucson, Arizona (C.L.D., C.X., J.M.S., A.J.S.); and Brown Cancer Center, University of Louisville, Louisville, Kentucky (L.J.S.)
| | - Nicholas A Hoffman
- Department of Medicine, Division of Medical Oncology and Hematology, University of Louisville School of Medicine, Louisville, Kentucky (W.J.R., S.B.H., S.M.S., N.A.H., A.J.O., M.A.D., L.J.S.); Department of Medicine and Stony Brook Cancer Center, Stony Brook University, Stony Brook, New York (M.H.-C., L.M.O., Y.A.H.); Northport Veteran Affairs Medical Center, Northport, New York (L.M.O., Y.A.H.); School of Nutritional Sciences, College of Agriculture, Life and Environmental Sciences, and University of Arizona Cancer Center, University of Arizona, Tucson, Arizona (C.L.D., C.X., J.M.S., A.J.S.); and Brown Cancer Center, University of Louisville, Louisville, Kentucky (L.J.S.)
| | - Andrew J Orwick
- Department of Medicine, Division of Medical Oncology and Hematology, University of Louisville School of Medicine, Louisville, Kentucky (W.J.R., S.B.H., S.M.S., N.A.H., A.J.O., M.A.D., L.J.S.); Department of Medicine and Stony Brook Cancer Center, Stony Brook University, Stony Brook, New York (M.H.-C., L.M.O., Y.A.H.); Northport Veteran Affairs Medical Center, Northport, New York (L.M.O., Y.A.H.); School of Nutritional Sciences, College of Agriculture, Life and Environmental Sciences, and University of Arizona Cancer Center, University of Arizona, Tucson, Arizona (C.L.D., C.X., J.M.S., A.J.S.); and Brown Cancer Center, University of Louisville, Louisville, Kentucky (L.J.S.)
| | - Mark A Doll
- Department of Medicine, Division of Medical Oncology and Hematology, University of Louisville School of Medicine, Louisville, Kentucky (W.J.R., S.B.H., S.M.S., N.A.H., A.J.O., M.A.D., L.J.S.); Department of Medicine and Stony Brook Cancer Center, Stony Brook University, Stony Brook, New York (M.H.-C., L.M.O., Y.A.H.); Northport Veteran Affairs Medical Center, Northport, New York (L.M.O., Y.A.H.); School of Nutritional Sciences, College of Agriculture, Life and Environmental Sciences, and University of Arizona Cancer Center, University of Arizona, Tucson, Arizona (C.L.D., C.X., J.M.S., A.J.S.); and Brown Cancer Center, University of Louisville, Louisville, Kentucky (L.J.S.)
| | - Chelsea L Doll
- Department of Medicine, Division of Medical Oncology and Hematology, University of Louisville School of Medicine, Louisville, Kentucky (W.J.R., S.B.H., S.M.S., N.A.H., A.J.O., M.A.D., L.J.S.); Department of Medicine and Stony Brook Cancer Center, Stony Brook University, Stony Brook, New York (M.H.-C., L.M.O., Y.A.H.); Northport Veteran Affairs Medical Center, Northport, New York (L.M.O., Y.A.H.); School of Nutritional Sciences, College of Agriculture, Life and Environmental Sciences, and University of Arizona Cancer Center, University of Arizona, Tucson, Arizona (C.L.D., C.X., J.M.S., A.J.S.); and Brown Cancer Center, University of Louisville, Louisville, Kentucky (L.J.S.)
| | - Catherine Xia
- Department of Medicine, Division of Medical Oncology and Hematology, University of Louisville School of Medicine, Louisville, Kentucky (W.J.R., S.B.H., S.M.S., N.A.H., A.J.O., M.A.D., L.J.S.); Department of Medicine and Stony Brook Cancer Center, Stony Brook University, Stony Brook, New York (M.H.-C., L.M.O., Y.A.H.); Northport Veteran Affairs Medical Center, Northport, New York (L.M.O., Y.A.H.); School of Nutritional Sciences, College of Agriculture, Life and Environmental Sciences, and University of Arizona Cancer Center, University of Arizona, Tucson, Arizona (C.L.D., C.X., J.M.S., A.J.S.); and Brown Cancer Center, University of Louisville, Louisville, Kentucky (L.J.S.)
| | - Maria Hernandez-Corbacho
- Department of Medicine, Division of Medical Oncology and Hematology, University of Louisville School of Medicine, Louisville, Kentucky (W.J.R., S.B.H., S.M.S., N.A.H., A.J.O., M.A.D., L.J.S.); Department of Medicine and Stony Brook Cancer Center, Stony Brook University, Stony Brook, New York (M.H.-C., L.M.O., Y.A.H.); Northport Veteran Affairs Medical Center, Northport, New York (L.M.O., Y.A.H.); School of Nutritional Sciences, College of Agriculture, Life and Environmental Sciences, and University of Arizona Cancer Center, University of Arizona, Tucson, Arizona (C.L.D., C.X., J.M.S., A.J.S.); and Brown Cancer Center, University of Louisville, Louisville, Kentucky (L.J.S.)
| | - Justin M Snider
- Department of Medicine, Division of Medical Oncology and Hematology, University of Louisville School of Medicine, Louisville, Kentucky (W.J.R., S.B.H., S.M.S., N.A.H., A.J.O., M.A.D., L.J.S.); Department of Medicine and Stony Brook Cancer Center, Stony Brook University, Stony Brook, New York (M.H.-C., L.M.O., Y.A.H.); Northport Veteran Affairs Medical Center, Northport, New York (L.M.O., Y.A.H.); School of Nutritional Sciences, College of Agriculture, Life and Environmental Sciences, and University of Arizona Cancer Center, University of Arizona, Tucson, Arizona (C.L.D., C.X., J.M.S., A.J.S.); and Brown Cancer Center, University of Louisville, Louisville, Kentucky (L.J.S.)
| | - Lina M Obeid
- Department of Medicine, Division of Medical Oncology and Hematology, University of Louisville School of Medicine, Louisville, Kentucky (W.J.R., S.B.H., S.M.S., N.A.H., A.J.O., M.A.D., L.J.S.); Department of Medicine and Stony Brook Cancer Center, Stony Brook University, Stony Brook, New York (M.H.-C., L.M.O., Y.A.H.); Northport Veteran Affairs Medical Center, Northport, New York (L.M.O., Y.A.H.); School of Nutritional Sciences, College of Agriculture, Life and Environmental Sciences, and University of Arizona Cancer Center, University of Arizona, Tucson, Arizona (C.L.D., C.X., J.M.S., A.J.S.); and Brown Cancer Center, University of Louisville, Louisville, Kentucky (L.J.S.)
| | - Yusuf A Hannun
- Department of Medicine, Division of Medical Oncology and Hematology, University of Louisville School of Medicine, Louisville, Kentucky (W.J.R., S.B.H., S.M.S., N.A.H., A.J.O., M.A.D., L.J.S.); Department of Medicine and Stony Brook Cancer Center, Stony Brook University, Stony Brook, New York (M.H.-C., L.M.O., Y.A.H.); Northport Veteran Affairs Medical Center, Northport, New York (L.M.O., Y.A.H.); School of Nutritional Sciences, College of Agriculture, Life and Environmental Sciences, and University of Arizona Cancer Center, University of Arizona, Tucson, Arizona (C.L.D., C.X., J.M.S., A.J.S.); and Brown Cancer Center, University of Louisville, Louisville, Kentucky (L.J.S.)
| | - Ashley J Snider
- Department of Medicine, Division of Medical Oncology and Hematology, University of Louisville School of Medicine, Louisville, Kentucky (W.J.R., S.B.H., S.M.S., N.A.H., A.J.O., M.A.D., L.J.S.); Department of Medicine and Stony Brook Cancer Center, Stony Brook University, Stony Brook, New York (M.H.-C., L.M.O., Y.A.H.); Northport Veteran Affairs Medical Center, Northport, New York (L.M.O., Y.A.H.); School of Nutritional Sciences, College of Agriculture, Life and Environmental Sciences, and University of Arizona Cancer Center, University of Arizona, Tucson, Arizona (C.L.D., C.X., J.M.S., A.J.S.); and Brown Cancer Center, University of Louisville, Louisville, Kentucky (L.J.S.)
| | - Leah J Siskind
- Department of Medicine, Division of Medical Oncology and Hematology, University of Louisville School of Medicine, Louisville, Kentucky (W.J.R., S.B.H., S.M.S., N.A.H., A.J.O., M.A.D., L.J.S.); Department of Medicine and Stony Brook Cancer Center, Stony Brook University, Stony Brook, New York (M.H.-C., L.M.O., Y.A.H.); Northport Veteran Affairs Medical Center, Northport, New York (L.M.O., Y.A.H.); School of Nutritional Sciences, College of Agriculture, Life and Environmental Sciences, and University of Arizona Cancer Center, University of Arizona, Tucson, Arizona (C.L.D., C.X., J.M.S., A.J.S.); and Brown Cancer Center, University of Louisville, Louisville, Kentucky (L.J.S.)
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4
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Clarke CJ, Snider AJ. Perspective: Therapeutic Implications for Sphingolipids in Health and Disease. Mol Pharmacol 2024; 105:118-120. [PMID: 38360837 DOI: 10.1124/molpharm.124.000866] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2024] [Accepted: 01/10/2024] [Indexed: 02/17/2024] Open
Abstract
Long thought to be structural components of cell membranes, sphingolipids (SLs) have emerged as bioactive molecules whose metabolism is tightly regulated. These bioactive lipids and their metabolic enzymes have been implicated in numerous disease states, including lysosomal storage disorders, multiple sclerosis, inflammation, and cancer as well as metabolic syndrome and obesity. In addition, the indications for many of these lipids to potentially serve as biomarkers for disease continue to emerge with increasing metabolomic and lipidomic studies. The implications of these studies have, in turn, led to the examination of SL enzymes and their bioactive lipids as potential therapeutic targets and as markers for therapeutic efficacy. SIGNIFICANCE STATEMENT: Many sphingolipids (SLs) and their metabolizing enzymes have been implicated in disease. This perspective highlights the potential for SLs to serve as therapeutic targets and diagnostic markers and discusses the implications for the studies and reviews highlighted in this Special Section on Therapeutic Implications for Sphingolipids in Health and Disease.
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Affiliation(s)
- Christopher J Clarke
- Department of Medicine and the Cancer Center, Stony Brook University, Stony Brook, New York (C.J.C.) and Nutritional Sciences and Wellness, College of Agriculture, Life and Environmental Sciences, University of Arizona Cancer Center, University of Arizona, Tucson, Arizona (A.J.S.)
| | - Ashley J Snider
- Department of Medicine and the Cancer Center, Stony Brook University, Stony Brook, New York (C.J.C.) and Nutritional Sciences and Wellness, College of Agriculture, Life and Environmental Sciences, University of Arizona Cancer Center, University of Arizona, Tucson, Arizona (A.J.S.)
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5
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Rome S, Tacconi S. High-fat diets: You are what you eat….your extracellular vesicles too! J Extracell Vesicles 2024; 13:e12382. [PMID: 38151475 PMCID: PMC10752826 DOI: 10.1002/jev2.12382] [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: 05/04/2023] [Revised: 10/13/2023] [Accepted: 11/10/2023] [Indexed: 12/29/2023] Open
Abstract
Recent works indicate that the lipid composition of extracellular vesicles (EVs) can modify their biological functions and their incorporation into recipient cells. In particular high-fat diets affect EV biogenesis, EV lipid composition, EV targeting and consequently the cross-talk between tissues. This review connects different research topics to show that a vicious circle is established during the development of high-fat diet-induced obesity, connecting the alteration of lipid metabolism, the composition of extracellular vesicles and the spread of deleterious lipids between tissues, which participates in NAFLD/NASH and diabetes development. According to the studies described in this review, it is urgent to take an interest in this question as the modulation of EV lipid composition could be an important factor to take into account during the therapeutic management of patients suffering from metabolic syndrome and related pathologies such as obesity and diabetes. Furthermore, as lipid modification of EVs is a strategy currently being tested to enable better integration into their target tissue or cell, it is important to consider the impact of these lipid modifications on the homeostasis of these targets.
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Affiliation(s)
- Sophie Rome
- CarMeN Laboratory, INSERM 1060‐INRAE 1397, Department of Human Nutrition, Lyon Sud HospitalUniversity of LyonLyonFrance
| | - Stefano Tacconi
- CarMeN Laboratory, INSERM 1060‐INRAE 1397, Department of Human Nutrition, Lyon Sud HospitalUniversity of LyonLyonFrance
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6
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Vandenbosch M, Mutuku SM, Mantas MJQ, Patterson NH, Hallmark T, Claesen M, Heeren RMA, Hatcher NG, Verbeeck N, Ekroos K, Ellis SR. Toward Omics-Scale Quantitative Mass Spectrometry Imaging of Lipids in Brain Tissue Using a Multiclass Internal Standard Mixture. Anal Chem 2023; 95:18719-18730. [PMID: 38079536 DOI: 10.1021/acs.analchem.3c02724] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2023]
Abstract
Mass spectrometry imaging (MSI) has accelerated our understanding of lipid metabolism and spatial distribution in tissues and cells. However, few MSI studies have approached lipid imaging quantitatively and those that have focused on a single lipid class. We overcome this limitation by using a multiclass internal standard (IS) mixture sprayed homogeneously over the tissue surface with concentrations that reflect those of endogenous lipids. This enabled quantitative MSI (Q-MSI) of 13 lipid classes and subclasses representing almost 200 sum-composition lipid species using both MALDI (negative ion mode) and MALDI-2 (positive ion mode) and pixel-wise normalization of each lipid species in a manner analogous to that widely used in shotgun lipidomics. The Q-MSI approach covered 3 orders of magnitude in dynamic range (lipid concentrations reported in pmol/mm2) and revealed subtle changes in distribution compared to data without normalization. The robustness of the method was evaluated by repeating experiments in two laboratories using both timsTOF and Orbitrap mass spectrometers with an ∼4-fold difference in mass resolution power. There was a strong overall correlation in the Q-MSI results obtained by using the two approaches. Outliers were mostly rationalized by isobaric interferences or the higher sensitivity of one instrument for a particular lipid species. These data provide insight into how the mass resolving power can affect Q-MSI data. This approach opens up the possibility of performing large-scale Q-MSI studies across numerous lipid classes and subclasses and revealing how absolute lipid concentrations vary throughout and between biological tissues.
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Affiliation(s)
- Michiel Vandenbosch
- Maastricht MultiModal Molecular Imaging (M4I) Institute, Division of Imaging Mass Spectrometry, Maastricht University, Maastricht 6229ER, Netherlands
| | - Shadrack M Mutuku
- Molecular Horizons and School of Chemistry and Molecular Bioscience, University of Wollongong, Wollongong, NSW 2522, Australia
| | | | | | | | | | - Ron M A Heeren
- Maastricht MultiModal Molecular Imaging (M4I) Institute, Division of Imaging Mass Spectrometry, Maastricht University, Maastricht 6229ER, Netherlands
| | - Nathan G Hatcher
- Merck & Co., Inc., 770 Sumneytown Pk, West Point, Pennsylvania 19486, United States
| | | | - Kim Ekroos
- Lipidomics Consulting Ltd., Esbo 02230, Finland
| | - Shane R Ellis
- Molecular Horizons and School of Chemistry and Molecular Bioscience, University of Wollongong, Wollongong, NSW 2522, Australia
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7
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Troppmair N, Kopczynski D, Assinger A, Lehmann R, Coman C, Ahrends R. Accurate Sphingolipid Quantification Reducing Fragmentation Bias by Nonlinear Models. Anal Chem 2023; 95:15227-15235. [PMID: 37782305 PMCID: PMC10585660 DOI: 10.1021/acs.analchem.3c02445] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Accepted: 09/07/2023] [Indexed: 10/03/2023]
Abstract
Quantitative sphingolipid analysis is crucial for understanding the roles of these bioactive molecules in various physiological and pathological contexts. Molecular sphingolipid species are typically quantified using sphingoid base-derived fragments relative to a class-specific internal standard. However, the commonly employed "one standard per class" strategy fails to account for fragmentation differences presented by the structural diversity of sphingolipids. To address this limitation, we developed a novel approach for quantitative sphingolipid analysis. This approach utilizes fragmentation models to correct for structural differences and thus overcomes the limitations associated with using a limited number of standards for quantification. Importantly, our method is independent of the internal standard, instrumental setup, and collision energy. Furthermore, we integrated this method into a user-friendly KNIME workflow. The validation results illustrate the effectiveness of our approach in accurately quantifying ceramide subclasses from various biological matrices. This breakthrough opens up new avenues for exploring sphingolipid metabolism and gaining insights into its implications.
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Affiliation(s)
- Nina Troppmair
- Department
of Analytical Chemistry, Faculty of Chemistry, University of Vienna, 1090 Vienna, Austria
- Vienna
Doctoral School in Chemistry, University
of Vienna, 1090 Vienna, Austria
| | - Dominik Kopczynski
- Department
of Analytical Chemistry, Faculty of Chemistry, University of Vienna, 1090 Vienna, Austria
| | - Alice Assinger
- Department
of Vascular Biology and Thrombosis Research, Center of Physiology and Pharmacology, Medical University of Vienna, 1090 Vienna, Austria
| | - Rainer Lehmann
- Institute
for Clinical Chemistry and Pathobiochemistry, Department for Diagnostic
Laboratory Medicine, University Hospital
Tuebingen, 72076 Tuebingen, Germany
| | - Cristina Coman
- Department
of Analytical Chemistry, Faculty of Chemistry, University of Vienna, 1090 Vienna, Austria
| | - Robert Ahrends
- Department
of Analytical Chemistry, Faculty of Chemistry, University of Vienna, 1090 Vienna, Austria
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8
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Cho YK, Lee S, Lee J, Doh J, Park JH, Jung YS, Lee YH. Lipid remodeling of adipose tissue in metabolic health and disease. Exp Mol Med 2023; 55:1955-1973. [PMID: 37653032 PMCID: PMC10545718 DOI: 10.1038/s12276-023-01071-4] [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: 02/27/2023] [Revised: 05/30/2023] [Accepted: 06/05/2023] [Indexed: 09/02/2023] Open
Abstract
Adipose tissue is a dynamic and metabolically active organ that plays a crucial role in energy homeostasis and endocrine function. Recent advancements in lipidomics techniques have enabled the study of the complex lipid composition of adipose tissue and its role in metabolic disorders such as obesity, diabetes, and cardiovascular disease. In addition, adipose tissue lipidomics has emerged as a powerful tool for understanding the molecular mechanisms underlying these disorders and identifying bioactive lipid mediators and potential therapeutic targets. This review aims to summarize recent lipidomics studies that investigated the dynamic remodeling of adipose tissue lipids in response to specific physiological changes, pharmacological interventions, and pathological conditions. We discuss the molecular mechanisms of lipid remodeling in adipose tissue and explore the recent identification of bioactive lipid mediators generated in adipose tissue that regulate adipocytes and systemic metabolism. We propose that manipulating lipid-mediator metabolism could serve as a therapeutic approach for preventing or treating obesity-related metabolic diseases.
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Affiliation(s)
- Yoon Keun Cho
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, Republic of Korea
| | - Sumin Lee
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, Republic of Korea
| | - Jaewon Lee
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, Republic of Korea
| | - Junsang Doh
- Department of Materials Science and Engineering, Research Institute of Advanced Materials, Institute of Engineering Research, Bio-MAX Institute, Soft Foundry Institute, Seoul National University, Seoul, Republic of Korea
| | - Joo-Hong Park
- School of Biological Sciences, Seoul National University, Seoul, Republic of Korea
| | - Young-Suk Jung
- College of Pharmacy, Pusan National University, Busan, Republic of Korea
| | - Yun-Hee Lee
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, Republic of Korea.
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9
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Melero A, Jiménez-Rojo N. Cracking the membrane lipid code. Curr Opin Cell Biol 2023; 83:102203. [PMID: 37437490 DOI: 10.1016/j.ceb.2023.102203] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2023] [Revised: 06/01/2023] [Accepted: 06/16/2023] [Indexed: 07/14/2023]
Abstract
Why has nature acquired such a huge lipid repertoire? Although it would be theoretically possible to make a lipid bilayer fulfilling barrier functions with only one glycerophospholipid, there are diverse and numerous different lipid species. Lipids are heterogeneously distributed across the evolutionary tree with lipidomes evolving in parallel to organismal complexity. Moreover, lipids are different between organs and tissues and even within the same cell, different organelles have characteristic lipid signatures. At the molecular level, membranes are asymmetric and laterally heterogeneous. This lipid asymmetry at different scales indicates that these molecules may play very specific molecular functions in biology. Some of these roles have been recently uncovered: lipids have been shown to be essential in processes such as hypoxia and ferroptosis or in protein sorting and trafficking but many of them remain still unknown. In this review we will discuss the importance of understanding lipid diversity in biology across scales and we will share a toolbox with some of the emerging technologies that are helping us to uncover new lipid molecular functions in cell biology and, step by step, crack the membrane lipid code.
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Affiliation(s)
- Alejandro Melero
- Department of Fundamental Microbiology, Faculty of Biology and Medicine, University of Lausanne, 1015 Lausanne, Switzerland
| | - Noemi Jiménez-Rojo
- Department of Biochemistry and Molecular Biology, University of the Basque Country (UPV/EHU), 48940, Leioa, Spain; Instituto Biofisika (UPV/EHU, CSIC), 48940, Leioa, Spain; Ikerbasque, Basque Foundation for Science, 48013 Bilbao, Spain.
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10
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Naso F, Colli A, Zilla P, Calafiore AM, Lotan C, Padalino MA, Sturaro G, Gandaglia A, Spina M. Correlations between the alpha-Gal antigen, antibody response and calcification of cardiac valve bioprostheses: experimental evidence obtained using an alpha-Gal knockout mouse animal model. Front Immunol 2023; 14:1210098. [PMID: 37426661 PMCID: PMC10327888 DOI: 10.3389/fimmu.2023.1210098] [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: 04/21/2023] [Accepted: 06/06/2023] [Indexed: 07/11/2023] Open
Abstract
Introduction Preformed antibodies against αGal in the human and the presence of αGal antigens on the tissue constituting the commercial bioprosthetic heart valves (BHVs, mainly bovine or porcine pericardium), lead to opsonization of the implanted BHV, leading to deterioration and calcification. Murine subcutaneous implantation of BHVs leaflets has been widely used for testing the efficacy of anti-calcification treatments. Unfortunately, commercial BHVs leaflets implanted into a murine model will not be able to elicit an αGal immune response because such antigen is expressed in the recipient and therefore immunologically tolerated. Methods This study evaluates the calcium deposition on commercial BHV using a new humanized murine αGal knockout (KO) animal model. Furtherly, the anti-calcification efficacy of a polyphenol-based treatment was deeply investigated. By using CRISPR/Cas9 approach an αGal KO mouse was created and adopted for the evaluation of the calcific propensity of original and polyphenols treated BHV by subcutaneous implantation. The calcium quantification was carried out by plasma analysis; the immune response evaluation was performed by histology and immunological assays. Anti-αGal antibodies level in KO mice increases at least double after 2 months of implantation of original commercial BHV compared to WT mice, conversely, the polyphenols-based treatment seems to effectively mask the antigen to the KO mice's immune system. Results Commercial leaflets explanted after 1 month from KO mice showed a four-time increased calcium deposition than what was observed on that explanted from WT. Polyphenol treatment prevents calcium deposition by over 99% in both KO and WT animals. The implantation of commercial BHV leaflets significantly stimulates the KO mouse immune system resulting in massive production of anti-Gal antibodies and the exacerbation of the αGal-related calcific effect if compared with the WT mouse. Discussion The polyphenol-based treatment applied in this investigation showed an unexpected ability to inhibit the recognition of BHV xenoantigens by circulating antibodies almost completely preventing calcific depositions compared to the untreated counterpart.
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Affiliation(s)
- Filippo Naso
- Biocompatibility Innovation Srl, Este, Padua, Italy
| | - Andrea Colli
- Cardiac Surgery Unit, Department of Surgical, Medical and Molecular Pathology and Critical Care, University of Pisa, Pisa, Italy
| | - Peter Zilla
- Christian Barnard Department of Cardiothoracic Surgery, Groote Schuur Hospital, University of Cape Town, Cape Town, South Africa
| | | | - Chaim Lotan
- Hadassah University Hospital - Cardiovascular Division, Ein Kerem, Jerusalem, Israel
| | - Massimo A. Padalino
- Pediatric and Congenital Cardiac Surgery Unit, Department of Cardiac, Thoracic and Vascular Sciences and Public Health, University of Padua, Padua, Italy
| | | | | | - Michele Spina
- Department of Biomedical Sciences, University of Padua, Padua, Italy
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11
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Lee M, Lee SY, Bae YS. Functional roles of sphingolipids in immunity and their implication in disease. Exp Mol Med 2023; 55:1110-1130. [PMID: 37258585 PMCID: PMC10318102 DOI: 10.1038/s12276-023-01018-9] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 03/14/2023] [Accepted: 03/16/2023] [Indexed: 06/02/2023] Open
Abstract
Sphingolipids, which are components of cellular membranes and organ tissues, can be synthesized or degraded to modulate cellular responses according to environmental cues, and the balance among the different sphingolipids is important for directing immune responses, regardless of whether they originate, as intra- or extracellular immune events. Recent progress in multiomics-based analyses and methodological approaches has revealed that human health and diseases are closely related to the homeostasis of sphingolipid metabolism, and disease-specific alterations in sphingolipids and related enzymes can be prognostic markers of human disease progression. Accumulating human clinical data from genome-wide association studies and preclinical data from disease models provide support for the notion that sphingolipids are the missing pieces that supplement our understanding of immune responses and diseases in which the functions of the involved proteins and nucleotides have been established. In this review, we analyze sphingolipid-related enzymes and reported human diseases to understand the important roles of sphingolipid metabolism. We discuss the defects and alterations in sphingolipid metabolism in human disease, along with functional roles in immune cells. We also introduce several methodological approaches and provide summaries of research on sphingolipid modulators in this review that should be helpful in studying the roles of sphingolipids in preclinical studies for the investigation of experimental and molecular medicines.
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Affiliation(s)
- Mingyu Lee
- Department of Health Sciences and Technology, SAIHST, Sungkyunkwan University, Seoul, 06355, Republic of Korea
| | - Suh Yeon Lee
- Department of Biological Sciences, Sungkyunkwan University, Suwon, 16419, Republic of Korea
| | - Yoe-Sik Bae
- Department of Health Sciences and Technology, SAIHST, Sungkyunkwan University, Seoul, 06355, Republic of Korea.
- Department of Biological Sciences, Sungkyunkwan University, Suwon, 16419, Republic of Korea.
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12
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Nagree MS, Rybova J, Kleynerman A, Ahrenhoerster CJ, Saville JT, Xu T, Bachochin M, McKillop WM, Lawlor MW, Pshezhetsky AV, Isaeva O, Budde MD, Fuller M, Medin JA. Spinal muscular atrophy-like phenotype in a mouse model of acid ceramidase deficiency. Commun Biol 2023; 6:560. [PMID: 37231125 DOI: 10.1038/s42003-023-04932-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2022] [Accepted: 05/12/2023] [Indexed: 05/27/2023] Open
Abstract
Mutations in ASAH1 have been linked to two allegedly distinct disorders: Farber disease (FD) and spinal muscular atrophy with progressive myoclonic epilepsy (SMA-PME). We have previously reported FD-like phenotypes in mice harboring a single amino acid substitution in acid ceramidase (ACDase), P361R, known to be pathogenic in humans (P361R-Farber). Here we describe a mouse model with an SMA-PME-like phenotype (P361R-SMA). P361R-SMA mice live 2-3-times longer than P361R-Farber mice and have different phenotypes including progressive ataxia and bladder dysfunction, which suggests neurological dysfunction. We found profound demyelination, loss of axons, and altered sphingolipid levels in P361R-SMA spinal cords; severe pathology was restricted to the white matter. Our model can serve as a tool to study the pathological effects of ACDase deficiency on the central nervous system and to evaluate potential therapies for SMA-PME.
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Affiliation(s)
- Murtaza S Nagree
- Department of Medical Biophysics, University of Toronto, Toronto, M5G 1L7, ON, Canada
- Department of Pediatrics, Medical College of Wisconsin, Milwaukee, WI, 53226, USA
| | - Jitka Rybova
- Department of Pediatrics, Medical College of Wisconsin, Milwaukee, WI, 53226, USA
| | - Annie Kleynerman
- Department of Pediatrics, Medical College of Wisconsin, Milwaukee, WI, 53226, USA
| | | | - Jennifer T Saville
- Genetics and Molecular Pathology, SA Pathology at Women's and Children's Hospital, and Adelaide Medical School, University of Adelaide, Adelaide, SA, 5006, Australia
| | - TianMeng Xu
- CHU Sainte-Justine, Université de Montréal, Montréal, QC, H3T 1C5, Canada
| | | | - William M McKillop
- Department of Pediatrics, Medical College of Wisconsin, Milwaukee, WI, 53226, USA
| | - Michael W Lawlor
- Department of Pathology and Neuroscience Research Center, Medical College of Wisconsin, Milwaukee, WI, 53226, USA
| | | | - Olena Isaeva
- Department of Cell Biology, Neurobiology and Anatomy, Medical College of Wisconsin, Milwaukee, WI, 53226, USA
| | - Matthew D Budde
- Clement J. Zablocki Veteran's Affairs Medical Center, Milwaukee, WI, 53295, USA
- Department of Neurosurgery, Medical College of Wisconsin, Milwaukee, WI, 53226, USA
| | - Maria Fuller
- Genetics and Molecular Pathology, SA Pathology at Women's and Children's Hospital, and Adelaide Medical School, University of Adelaide, Adelaide, SA, 5006, Australia
- Adelaide Medical School, University of Adelaide, Adelaide, SA, 5005, Australia
| | - Jeffrey A Medin
- Department of Medical Biophysics, University of Toronto, Toronto, M5G 1L7, ON, Canada.
- Department of Pediatrics, Medical College of Wisconsin, Milwaukee, WI, 53226, USA.
- Department of Biochemistry, Medical College of Wisconsin, Milwaukee, WI, 53226, USA.
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13
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Medina J, Borreggine R, Teav T, Gao L, Ji S, Carrard J, Jones C, Blomberg N, Jech M, Atkins A, Martins C, Schmidt-Trucksass A, Giera M, Cazenave-Gassiot A, Gallart-Ayala H, Ivanisevic J. Omic-Scale High-Throughput Quantitative LC-MS/MS Approach for Circulatory Lipid Phenotyping in Clinical Research. Anal Chem 2023; 95:3168-3179. [PMID: 36716250 DOI: 10.1021/acs.analchem.2c02598] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Lipid analysis at the molecular species level represents a valuable opportunity for clinical applications due to the essential roles that lipids play in metabolic health. However, a comprehensive and high-throughput lipid profiling remains challenging given the lipid structural complexity and exceptional diversity. Herein, we present an 'omic-scale targeted LC-MS/MS approach for the straightforward and high-throughput quantification of a broad panel of complex lipid species across 26 lipid (sub)classes. The workflow involves an automated single-step extraction with 2-propanol, followed by lipid analysis using hydrophilic interaction liquid chromatography in a dual-column setup coupled to tandem mass spectrometry with data acquisition in the timed-selective reaction monitoring mode (12 min total run time). The analysis pipeline consists of an initial screen of 1903 lipid species, followed by high-throughput quantification of robustly detected species. Lipid quantification is achieved by a single-point calibration with 75 isotopically labeled standards representative of different lipid classes, covering lipid species with diverse acyl/alkyl chain lengths and unsaturation degrees. When applied to human plasma, 795 lipid species were measured with median intra- and inter-day precisions of 8.5 and 10.9%, respectively, evaluated within a single and across multiple batches. The concentration ranges measured in NIST plasma were in accordance with the consensus intervals determined in previous ring-trials. Finally, to benchmark our workflow, we characterized NIST plasma materials with different clinical and ethnic backgrounds and analyzed a sub-set of sera (n = 81) from a clinically healthy elderly population. Our quantitative lipidomic platform allowed for a clear distinction between different NIST materials and revealed the sex-specificity of the serum lipidome, highlighting numerous statistically significant sex differences.
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Affiliation(s)
- Jessica Medina
- Metabolomics Platform, Faculty of Biology and Medicine, University of Lausanne, Quartier UNIL-CHUV, Rue du Bugnon 19, Lausanne CH-1005, Switzerland
| | - Rebecca Borreggine
- Metabolomics Platform, Faculty of Biology and Medicine, University of Lausanne, Quartier UNIL-CHUV, Rue du Bugnon 19, Lausanne CH-1005, Switzerland
| | - Tony Teav
- Metabolomics Platform, Faculty of Biology and Medicine, University of Lausanne, Quartier UNIL-CHUV, Rue du Bugnon 19, Lausanne CH-1005, Switzerland
| | - Liang Gao
- Department of Biochemistry and Precision Medicine TRP, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117456, Singapore.,Singapore Lipidomics Incubator, Life Sciences Institute, National University of Singapore, Singapore 117456, Singapore
| | - Shanshan Ji
- Singapore Lipidomics Incubator, Life Sciences Institute, National University of Singapore, Singapore 117456, Singapore
| | - Justin Carrard
- Division of Sports and Exercise Medicine, Department of Sport, Exercise and Health, University of Basel, Birsstrasse 320B, Basel CH-4052, Switzerland
| | - Christina Jones
- Material Measurement Laboratory, National Institute of Standards and Technology, Gaithersburg, Maryland 20899, United States
| | - Niek Blomberg
- Center for Proteomics and Metabolomics, Leiden University Medical Center, Leiden 2333ZA, Netherlands
| | - Martin Jech
- Thermo Fisher Scientific, 355 River Oaks Pkwy, San Jose, California 95134, United States
| | - Alan Atkins
- Thermo Fisher Scientific, 355 River Oaks Pkwy, San Jose, California 95134, United States
| | - Claudia Martins
- Thermo Fisher Scientific, 355 River Oaks Pkwy, San Jose, California 95134, United States
| | - Arno Schmidt-Trucksass
- Division of Sports and Exercise Medicine, Department of Sport, Exercise and Health, University of Basel, Birsstrasse 320B, Basel CH-4052, Switzerland
| | - Martin Giera
- Center for Proteomics and Metabolomics, Leiden University Medical Center, Leiden 2333ZA, Netherlands
| | - Amaury Cazenave-Gassiot
- Department of Biochemistry and Precision Medicine TRP, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117456, Singapore.,Singapore Lipidomics Incubator, Life Sciences Institute, National University of Singapore, Singapore 117456, Singapore
| | - Hector Gallart-Ayala
- Metabolomics Platform, Faculty of Biology and Medicine, University of Lausanne, Quartier UNIL-CHUV, Rue du Bugnon 19, Lausanne CH-1005, Switzerland
| | - Julijana Ivanisevic
- Metabolomics Platform, Faculty of Biology and Medicine, University of Lausanne, Quartier UNIL-CHUV, Rue du Bugnon 19, Lausanne CH-1005, Switzerland
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14
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Bargui R, Solgadi A, Dumont F, Prost B, Vadrot N, Filipe A, Ho ATV, Ferreiro A, Moulin M. Sex-Specific Patterns of Diaphragm Phospholipid Content and Remodeling during Aging and in a Model of SELENON-Related Myopathy. Biomedicines 2023; 11:biomedicines11020234. [PMID: 36830771 PMCID: PMC9953087 DOI: 10.3390/biomedicines11020234] [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: 12/19/2022] [Revised: 01/13/2023] [Accepted: 01/13/2023] [Indexed: 01/19/2023] Open
Abstract
Growing evidence shows that the lipid bilayer is a key site for membrane interactions and signal transduction. Surprisingly, phospholipids have not been widely studied in skeletal muscles, although mutations in genes involved in their biosynthesis have been associated with muscular diseases. Using mass spectrometry, we performed a phospholipidomic profiling in the diaphragm of male and female, young and aged, wild type and SelenoN knock-out mice, the murine model of an early-onset inherited myopathy with severe diaphragmatic dysfunction. We identified 191 phospholipid (PL) species and revealed an important sexual dimorphism in PLs in the diaphragm, with almost 60% of them being significantly different between male and female animals. In addition, 40% of phospholipids presented significant age-related differences. Interestingly, SELENON protein absence was responsible for remodeling of 10% PL content, completely different in males and in females. Expression of genes encoding enzymes involved in PL remodeling was higher in males compared to females. These results establish the diaphragm PL map and highlight an important PL remodeling pattern depending on sex, aging and partly on genotype. These differences in PL profile may contribute to the identification of biomarkers associated with muscular diseases and muscle aging.
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Affiliation(s)
- Rezlène Bargui
- Basic and Translational Myology Laboratory, Université Paris Cité, BFA, CNRS UMR8251, F-75013 Paris, France
| | - Audrey Solgadi
- UMS-IPSIT-SAMM, Université Paris-Saclay, INSERM, CNRS, Ingénierie et Plateformes au Service de l’Innovation Thérapeutique, F-91400 Orsay, France
| | - Florent Dumont
- UMS-IPSIT-Bioinfo, Université Paris-Saclay, INSERM, CNRS, Ingénierie et Plateformes au Service de l’Innovation Thérapeutique, F-91400 Orsay, France
| | - Bastien Prost
- UMS-IPSIT-SAMM, Université Paris-Saclay, INSERM, CNRS, Ingénierie et Plateformes au Service de l’Innovation Thérapeutique, F-91400 Orsay, France
| | - Nathalie Vadrot
- Basic and Translational Myology Laboratory, Université Paris Cité, BFA, CNRS UMR8251, F-75013 Paris, France
| | - Anne Filipe
- Basic and Translational Myology Laboratory, Université Paris Cité, BFA, CNRS UMR8251, F-75013 Paris, France
| | - Andrew T. V. Ho
- Basic and Translational Myology Laboratory, Université Paris Cité, BFA, CNRS UMR8251, F-75013 Paris, France
| | - Ana Ferreiro
- Basic and Translational Myology Laboratory, Université Paris Cité, BFA, CNRS UMR8251, F-75013 Paris, France
- AP-HP, Reference Centre for Neuromuscular Disorders, Institut of Myology, Neuromyology Department, Pitié-Salpêtrière Hospital, F-75013 Paris, France
| | - Maryline Moulin
- Basic and Translational Myology Laboratory, Université Paris Cité, BFA, CNRS UMR8251, F-75013 Paris, France
- Correspondence: ; Tel.: +01-57-27-79-54
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15
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Rosiglitazone Reverses Inflammation in Epididymal White Adipose Tissue in Hormone-Sensitive Lipase-Knockout Mice. J Lipid Res 2022; 64:100305. [PMID: 36273647 PMCID: PMC9760656 DOI: 10.1016/j.jlr.2022.100305] [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: 09/07/2021] [Revised: 09/05/2022] [Accepted: 09/25/2022] [Indexed: 11/06/2022] Open
Abstract
Hormone-sensitive lipase (HSL) plays a crucial role in intracellular lipolysis, and loss of HSL leads to diacylglycerol (DAG) accumulation, reduced FA mobilization, and impaired PPARγ signaling. Hsl knockout mice exhibit adipose tissue inflammation, but the underlying mechanisms are still not clear. Here, we investigated if and to what extent HSL loss contributes to endoplasmic reticulum (ER) stress and adipose tissue inflammation in Hsl knockout mice. Furthermore, we were interested in how impaired PPARγ signaling affects the development of inflammation in epididymal white adipose tissue (eWAT) and inguinal white adipose tissue (iWAT) of Hsl knockout mice and if DAG and ceramide accumulation contribute to adipose tissue inflammation and ER stress. Ultrastructural analysis showed a markedly dilated ER in both eWAT and iWAT upon loss of HSL. In addition, Hsl knockout mice exhibited macrophage infiltration and increased F4/80 mRNA expression, a marker of macrophage activation, in eWAT, but not in iWAT. We show that treatment with rosiglitazone, a PPARγ agonist, attenuated macrophage infiltration and ameliorated inflammation of eWAT, but expression of ER stress markers remained unchanged, as did DAG and ceramide levels in eWAT. Taken together, we show that HSL loss promoted ER stress in both eWAT and iWAT of Hsl knockout mice, but inflammation and macrophage infiltration occurred mainly in eWAT. Also, PPARγ activation reversed inflammation but not ER stress and DAG accumulation. These data indicate that neither reduction of DAG levels nor ER stress contribute to the reversal of eWAT inflammation in Hsl knockout mice.
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16
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Abstract
Bile acids wear many hats, including those of an emulsifier to facilitate nutrient absorption, a cholesterol metabolite, and a signaling molecule in various tissues modulating itching to metabolism and cellular functions. Bile acids are synthesized in the liver but exhibit wide-ranging effects indicating their ability to mediate organ-organ crosstalk. So, how does a steroid metabolite orchestrate such diverse functions? Despite the inherent chemical similarity, the side chain decorations alter the chemistry and biology of the different bile acid species and their preferences to bind downstream receptors distinctly. Identification of new modifications in bile acids is burgeoning, and some of it is associated with the microbiota within the intestine. Here, we provide a brief overview of the history and the various receptors that mediate bile acid signaling in addition to its crosstalk with the gut microbiota.
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Affiliation(s)
| | | | - Sayeepriyadarshini Anakk
- Correspondence: Sayeepriyadarshini Anakk, PhD, Department of Molecular & Integrative Physiology, University of Illinois at Urbana-Champaign, 506 S Mathews Ave, 453 Medical Sciences Bldg, Urbana, IL 61801, USA.
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17
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Jorge-Smeding E, Warnken T, Grob AJ, Feige K, Pudert T, Leung YH, Go YY, Kenez A. The sphingolipidome of plasma, liver, and adipose tissues and its association with insulin response to oral glucose testing in Icelandic horses. Am J Physiol Regul Integr Comp Physiol 2022; 323:R397-R409. [PMID: 35938687 DOI: 10.1152/ajpregu.00018.2022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Insulin dysregulation (ID) is a determinant of equine metabolic syndrome. Among the sphingolipids, ceramides contribute to the development of ID; however, the crosstalk between the liver and adipose tissue (AT) depots and the variation among AT depots in terms of ceramide metabolism are not well-understood. We aimed to characterize the sphingolipidome of plasma, liver, and AT (nuchal, NUAT; subcutaneous, SCAT; omental, OMAT; retroperitoneal, RPAT) and their associations with insulin response to oral glucose testing (OGT) in normoinsulinemic and hyperinsulinemic horses. Plasma, liver, and AT samples were collected from 12 Icelandic horses upon euthanasia and analyzed by liquid chromatography-mass spectrometry. Eighty-four targeted compounds were effectively quantified. Comparing the AT depots, greater (FDR < 0.05) ceramide, dihydroceramide, and sphingomyelin concentrations and lower glucosyl- and galactosyl-ceramides were found in RPAT and OMAT than in NUAT and SCAT. Hyperinsulinemic response to OGT was associated with sphingolipidome alterations primarily in the RPAT and OMAT, while the NUAT sphingolipidome did not show signs of ceramide accumulation, which was inconsistent with the previously proposed role of nuchal adiposity in ID. The plasma sphingolipidome was not significantly associated with the liver or AT sphingolipidomes, indicating that plasma profiles are determined by an interplay of various organs. Further, hepatic sphingolipid profiles were not correlated with the profiles of AT depots. Finally, statistically valid partial least square regression models predicting insulin response were found in the plasma (Q2= 0.58, R2= 0.98), liver (Q2= 0.64, R2= 0.74), and RPAT (Q2= 0.68, R2= 0.79) sphingolipidome, but not in the other adipose tissues.
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Affiliation(s)
- Ezequiel Jorge-Smeding
- Department of Infectious Diseases and Public Health, City University of Hong Kong, Hong Kong SAR, China
| | - Tobias Warnken
- Clinic for Horses, University of Veterinary Medicine Hannover, Foundation, Hanover, Germany
| | - Anne Julia Grob
- Clinic for Horses, University of Veterinary Medicine Hannover, Foundation, Hanover, Germany
| | - Karsten Feige
- Clinic for Horses, University of Veterinary Medicine Hannover, Foundation, Hanover, Germany
| | - Tanja Pudert
- Clinic for Horses, Department of Surgery and Orthopaedics, Faculty of Veterinary Medicine, Justus-Liebig-University, Giessen, Germany
| | - Yue Hei Leung
- Department of Infectious Diseases and Public Health, City University of Hong Kong, Hong Kong SAR, China
| | - Yun Young Go
- Department of Infectious Diseases and Public Health, City University of Hong Kong, Hong Kong SAR, China
| | - Akos Kenez
- Department of Infectious Diseases and Public Health, City University of Hong Kong, Hong Kong SAR, China
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18
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Metabolic Depletion of Sphingolipids Does Not Alter Cell Cycle Progression in Chinese Hamster Ovary Cells. J Membr Biol 2021; 255:1-12. [PMID: 34392379 DOI: 10.1007/s00232-021-00198-7] [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: 07/06/2021] [Accepted: 08/02/2021] [Indexed: 10/20/2022]
Abstract
The cell cycle is a sequential multi-step process essential for growth and proliferation of cells comprising multicellular organisms. Although a number of proteins are known to modulate the cell cycle, the role of lipids in regulation of cell cycle is still emerging. In our previous work, we monitored the role of cholesterol in cell cycle progression in CHO-K1 cells. Since sphingolipids enjoy a functionally synergistic relationship with membrane cholesterol, in this work, we explored whether sphingolipids could modulate the eukaryotic cell cycle using CHO-K1 cells. Sphingolipids are essential components of eukaryotic cell membranes and are involved in a number of important cellular functions. To comprehensively monitor the role of sphingolipids on cell cycle progression, we carried out metabolic depletion of sphingolipids in CHO-K1 cells using inhibitors (fumonisin B1, myriocin, and PDMP) that block specific steps of the sphingolipid biosynthetic pathway and examined their effect on individual cell cycle phases. Our results show that metabolic inhibitors led to significant reduction in specific sphingolipids, yet such inhibition in sphingolipid biosynthesis did not show any effect on cell cycle progression in CHO-K1 cells. We speculate that any role of sphingolipids on cell cycle progression could be context and cell-type dependent, and cancer cells could be a better choice for monitoring such regulation, since sphingolipids are differentially modulated in these cells.
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