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Ruocco N, Nuzzo G, Federico S, Esposito R, Gallo C, Ziaco M, Manzo E, Fontana A, Bertolino M, Zagami G, Zupo V, Sansone C, Costantini M. Potential of Polar Lipids Isolated from the Marine Sponge Haliclona ( Halichoclona) vansoesti against Melanoma. Int J Mol Sci 2024; 25:7418. [PMID: 39000524 PMCID: PMC11242152 DOI: 10.3390/ijms25137418] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2024] [Revised: 07/03/2024] [Accepted: 07/03/2024] [Indexed: 07/16/2024] Open
Abstract
Marine sponges represent a good source of natural metabolites for biotechnological applications in the pharmacological, cosmeceutical, and nutraceutical fields. In the present work, we analyzed the biotechnological potential of the alien species Haliclona (Halichoclona) vansoesti de Weerdt, de Kluijver & Gomez, 1999, previously collected in the Mediterranean Sea (Faro Lake, Sicily). The bioactivity and chemical content of this species has never been investigated, and information in the literature on its Caribbean counterpart is scarce. We show that an enriched extract of H. vansoesti induced cell death in human melanoma cells with an IC50 value of 36.36 µg mL-1, by (i) triggering a pro-inflammatory response, (ii) activating extrinsic apoptosis mediated by tumor necrosis factor receptors triggering the mitochondrial apoptosis via the involvement of Bcl-2 proteins and caspase 9, and (iii) inducing a significant reduction in several proteins promoting human angiogenesis. Through orthogonal SPE fractionations, we identified two active sphingoid-based lipid classes, also characterized by nuclear magnetic resonance and mass spectrometry, as the main components of two active fractions. Overall, our findings provide the first evaluation of the anti-cancer potential of polar lipids isolated from the marine sponge H. (Halichoclona) vansoesti, which may lead to new lead compounds with biotechnological applications in the pharmaceutical field.
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Affiliation(s)
- Nadia Ruocco
- Department of Ecosustainable Marine Biotechnology, Stazione Zoologica Anton Dohrn, Calabria Marine Centre, C. da Torre Spaccata, 87071 Amendolara, Italy
| | - Genoveffa Nuzzo
- Bio-Organic Chemistry Unit, Institute of Biomolecular Chemistry CNR, Via Campi Flegrei 34, 80078 Pozzuoli, Italy
| | - Serena Federico
- Department of Ecosustainable Marine Biotechnology, Stazione Zoologica Anton Dohrn, Via Ammiraglio Ferdinando Acton, 55, 80133 Napoli, Italy
- Department of Earth, Environmental and Life Sciences, University of Genoa, Corso Europa 26, 16132 Genova, Italy
| | - Roberta Esposito
- Department of Ecosustainable Marine Biotechnology, Stazione Zoologica Anton Dohrn, Via Ammiraglio Ferdinando Acton, 55, 80133 Napoli, Italy
| | - Carmela Gallo
- Bio-Organic Chemistry Unit, Institute of Biomolecular Chemistry CNR, Via Campi Flegrei 34, 80078 Pozzuoli, Italy
| | - Marcello Ziaco
- Bio-Organic Chemistry Unit, Institute of Biomolecular Chemistry CNR, Via Campi Flegrei 34, 80078 Pozzuoli, Italy
| | - Emiliano Manzo
- Bio-Organic Chemistry Unit, Institute of Biomolecular Chemistry CNR, Via Campi Flegrei 34, 80078 Pozzuoli, Italy
| | - Angelo Fontana
- Bio-Organic Chemistry Unit, Institute of Biomolecular Chemistry CNR, Via Campi Flegrei 34, 80078 Pozzuoli, Italy
- Laboratory of Bio-Organic Chemistry and Chemical Biology, Dipartimento di Biologia, Università di Napoli "Federico II", Via Cupa Nuova Cinthia 21, 80126 Napoli, Italy
| | - Marco Bertolino
- Department of Earth, Environmental and Life Sciences, University of Genoa, Corso Europa 26, 16132 Genova, Italy
| | - Giacomo Zagami
- Department of Biological, Chemical, Pharmaceutical and Environmental Sciences, University of Messina, 98100 Messina, Italy
| | - Valerio Zupo
- Department of Ecosustainable Marine Biotechnology, Stazione Zoologica Anton Dohrn, Ischia Marine Center, 80077 Ischia, Italy
| | - Clementina Sansone
- Department of Ecosustainable Marine Biotechnology, Stazione Zoologica Anton Dohrn, Via Ammiraglio Ferdinando Acton, 55, 80133 Napoli, Italy
| | - Maria Costantini
- Department of Ecosustainable Marine Biotechnology, Stazione Zoologica Anton Dohrn, Via Ammiraglio Ferdinando Acton, 55, 80133 Napoli, Italy
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Peeters R, Jellusova J. Lipid metabolism in B cell biology. Mol Oncol 2024; 18:1795-1813. [PMID: 38013654 PMCID: PMC11223608 DOI: 10.1002/1878-0261.13560] [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: 08/03/2023] [Revised: 10/30/2023] [Accepted: 11/24/2023] [Indexed: 11/29/2023] Open
Abstract
In recent years, the field of immunometabolism has solidified its position as a prominent area of investigation within the realm of immunological research. An expanding body of scientific literature has unveiled the intricate interplay between energy homeostasis, signalling molecules, and metabolites in relation to fundamental aspects of our immune cells. It is now widely accepted that disruptions in metabolic equilibrium can give rise to a myriad of pathological conditions, ranging from autoimmune disorders to cancer. Emerging evidence, although sometimes fragmented and anecdotal, has highlighted the indispensable role of lipids in modulating the behaviour of immune cells, including B cells. In light of these findings, this review aims to provide a comprehensive overview of the current state of knowledge regarding lipid metabolism in the context of B cell biology.
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Affiliation(s)
- Rens Peeters
- School of Medicine and Health, Institute of Clinical Chemistry and PathobiochemistryTechnical University of MunichGermany
- TranslaTUM, Center for Translational Cancer ResearchTechnical University of MunichGermany
| | - Julia Jellusova
- School of Medicine and Health, Institute of Clinical Chemistry and PathobiochemistryTechnical University of MunichGermany
- TranslaTUM, Center for Translational Cancer ResearchTechnical University of MunichGermany
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3
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Qin G, Zhang L, Guo J, Fang S, E G, Zeng Y, Huang Y, Han Y. Combined Proteomic and Metabolomic Analysis Reveals Comprehensive Regulation of Somatostatin DNA Vaccine in Goats. Int J Mol Sci 2024; 25:6888. [PMID: 39000000 PMCID: PMC11241611 DOI: 10.3390/ijms25136888] [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: 05/12/2024] [Revised: 06/13/2024] [Accepted: 06/20/2024] [Indexed: 07/14/2024] Open
Abstract
Somatostatin (SS) plays crucial regulatory roles in animal growth and reproduction by affecting the synthesis and secretion of growth hormone (GH). However, the mechanism by which SS regulates growth and development in goats is still unclear. In order to investigate the regulatory networks of the hypothalamus and pituitary in goats affected by SS DNA vaccines, in this study, we used a previously established oral attenuated Salmonella typhimurium SS DNA vaccine, X9241 (ptCS/2SS-asd), to treat wethers. We analyzed the protein changes in hypothalamic and pituitary tissues using a TMT-based proteomics approach. Additionally, we examined the metabolic profiles of the serum of control and immunized wethers through untargeted metabolomics using liquid chromatography-mass spectrometry (LC-MS). Key signaling pathways were identified based on differentially expressed metabolites (DEMs) and differentially expressed proteins (DEPs). Furthermore, the effect of critical DEPs on signaling pathways was confirmed through Western blotting (WB) experiments, which elucidated the mechanism of active SS immunization in wethers. A proteomics analysis revealed that the expression of 58 proteins in the hypothalamus and 124 in the pituitary gland was significantly altered following SS vaccine treatment (fold change > 1.2 or < 0.83, p < 0.05). In the hypothalamus, many DEPs were associated with gene ontology (GO) terms related to neuronal signaling. In contrast, most DEPs were associated with metabolic pathways. In the pituitary gland, the DEPs were largely related to immune and nutrient metabolism functions, with significant enrichment in KEGG pathways, particularly those involving the metabolic pathway, sphingolipid signaling, and the cGMP-PKG signaling pathway. A metabolomic analysis further showed that active SS immunization in wethers led to significant alterations in seven serum metabolites. Notably, the sphingolipid signaling pathway, secondary bile acid synthesis, sphingolipid metabolism, and lysine synthesis were significantly disrupted. SS vaccines induced marked changes in hypothalamic-pituitary proteins in wethers, facilitating alterations in their growth processes. This study not only provides insights into the mechanism of the SS gene in regulating GH secretion in wethers but also establishes a basis for hormone immunoregulation technology to enhance livestock production performance.
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Affiliation(s)
| | | | | | | | | | | | | | - Yanguo Han
- Chongqing Key Laboratory of Forage & Herbivore, Chongqing Engineering Research Centre for Herbivores Resource Protection and Utilization, College of Animal Science and Technology, Southwest University, Chongqing 400715, China; (G.Q.); (L.Z.); (J.G.); (S.F.); (G.E.); (Y.Z.); (Y.H.)
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Ali O, Szabó A. Fumonisin distorts the cellular membrane lipid profile: A mechanistic insight. Toxicology 2024; 506:153860. [PMID: 38871209 DOI: 10.1016/j.tox.2024.153860] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2024] [Revised: 06/04/2024] [Accepted: 06/06/2024] [Indexed: 06/15/2024]
Abstract
Monitoring modifications in membrane lipids in association with external stimuli/agents, including fumonisins (FUMs), is a widely employed approach to assess cellular metabolic response/status. FUMs are prevalent fusariotoxins worldwide that have diverse structures with varying toxicity across species; nevertheless, they can induce metabolic disturbances and disease, including cancer. The capacity of FUMs to disrupt membrane lipids, demonstrated across numerous species and organs/tissues, is ascribed to a multitude of factors/events, which range from direct to indirect effects. Certain events are well established, whereas the potential consequences of others remain speculative. The most notable effect is their resemblance to sphingoid bases, which impacts the synthesis of ceramides leading to numerous changes in lipids' composition that are not limited to sphingolipids' composition of the membranes. The next plausible scenario involves the induction of oxidative stress, which is considered an indirect/secondary effect of FUMs. Additional modes of action include modifications of enzyme activities and nuclear signals related to lipid metabolism, although these are likely not yet fully comprehended. This review provides in-depth insight into the current state of these events and their potential mechanistic actions in modifying membrane lipids, with a focus on long-chain fatty acids. This paper also presents a detailed description of the reported modifications to membrane lipids by FUMs.
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Affiliation(s)
- Omeralfaroug Ali
- Agribiotechnology and Precision Breeding for Food Security National Laboratory, Institute of Physiology and Animal Nutrition, Department of Animal Physiology and Health, Hungarian University of Agriculture and Life Sciences, Guba Sándor Str. 40, Kaposvár 7400, Hungary.
| | - András Szabó
- Agribiotechnology and Precision Breeding for Food Security National Laboratory, Institute of Physiology and Animal Nutrition, Department of Animal Physiology and Health, Hungarian University of Agriculture and Life Sciences, Guba Sándor Str. 40, Kaposvár 7400, Hungary; HUN-REN-MATE Mycotoxins in the Food Chain Research Group, Hungarian University of Agriculture and Life Sciences, Guba Sándor Str. 40, Kaposvár 7400, Hungary
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Santarelli G, Perini G, Salustri A, Palucci I, Rosato R, Palmieri V, Iacovelli C, Bellesi S, Sali M, Sanguinetti M, De Spirito M, Papi M, Delogu G, De Maio F. Unraveling the potential of graphene quantum dots against Mycobacterium tuberculosis infection. Front Microbiol 2024; 15:1395815. [PMID: 38774507 PMCID: PMC11107295 DOI: 10.3389/fmicb.2024.1395815] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2024] [Accepted: 04/22/2024] [Indexed: 05/24/2024] Open
Abstract
Introduction The emergence of drug-resistant Mycobacterium tuberculosis (Mtb) strains has underscored the urgent need for novel therapeutic approaches. Carbon-based nanomaterials, such as graphene oxide (GO), have shown potential in anti-TB activities but suffer from significant toxicity issues. Methods This study explores the anti-TB potential of differently functionalized graphene quantum dots (GQDs) - non-functionalized, L-GQDs, aminated (NH2-GQDs), and carboxylated (COOH-GQDs) - alone and in combination with standard TB drugs (isoniazid, amikacin, and linezolid). Their effects were assessed in both axenic cultures and in vitro infection models. Results GQDs alone did not demonstrate direct mycobactericidal effects nor trapping activity. However, the combination of NH2-GQDs with amikacin significantly reduced CFUs in in vitro models. NH2-GQDs and COOH-GQDs also enhanced the antimicrobial activity of amikacin in infected macrophages, although L-GQDs and COOH-GQDs alone showed no significant activity. Discussion The results suggest that specific types of GQDs, particularly NH2-GQDs, can enhance the efficacy of existing anti-TB drugs. These nanoparticles might serve as effective adjuvants in anti-TB therapy by boosting drug performance and reducing bacterial counts in host cells, highlighting their potential as part of advanced drug delivery systems in tuberculosis treatment. Further investigations are needed to better understand their mechanisms and optimize their use in clinical settings.
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Affiliation(s)
- Giulia Santarelli
- Dipartimento di Scienze Biotecnologiche di Base, Cliniche Intensivologiche e Perioperatorie-Sezione di Microbiologia, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Giordano Perini
- Dipartimento di Neuroscienze, Università Cattolica del Sacro Cuore, Rome, Italy
- Fondazione Policlinico Universitario “A. Gemelli”, IRCCS, Rome, Italy
| | - Alessandro Salustri
- Dipartimento di Scienze Biotecnologiche di Base, Cliniche Intensivologiche e Perioperatorie-Sezione di Microbiologia, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Ivana Palucci
- Dipartimento di Scienze Biotecnologiche di Base, Cliniche Intensivologiche e Perioperatorie-Sezione di Microbiologia, Università Cattolica del Sacro Cuore, Rome, Italy
- Fondazione Policlinico Universitario “A. Gemelli”, IRCCS, Rome, Italy
| | - Roberto Rosato
- Dipartimento di Scienze Biotecnologiche di Base, Cliniche Intensivologiche e Perioperatorie-Sezione di Microbiologia, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Valentina Palmieri
- Dipartimento di Neuroscienze, Università Cattolica del Sacro Cuore, Rome, Italy
- Istituto dei Sistemi Complessi, CNR, Rome, Italy
| | - Camilla Iacovelli
- Fondazione Policlinico Universitario “A. Gemelli”, IRCCS, Rome, Italy
| | - Silvia Bellesi
- Fondazione Policlinico Universitario “A. Gemelli”, IRCCS, Rome, Italy
| | - Michela Sali
- Dipartimento di Scienze Biotecnologiche di Base, Cliniche Intensivologiche e Perioperatorie-Sezione di Microbiologia, Università Cattolica del Sacro Cuore, Rome, Italy
- Fondazione Policlinico Universitario “A. Gemelli”, IRCCS, Rome, Italy
| | - Maurizio Sanguinetti
- Dipartimento di Scienze Biotecnologiche di Base, Cliniche Intensivologiche e Perioperatorie-Sezione di Microbiologia, Università Cattolica del Sacro Cuore, Rome, Italy
- Fondazione Policlinico Universitario “A. Gemelli”, IRCCS, Rome, Italy
| | - Marco De Spirito
- Dipartimento di Neuroscienze, Università Cattolica del Sacro Cuore, Rome, Italy
- Fondazione Policlinico Universitario “A. Gemelli”, IRCCS, Rome, Italy
| | - Massimiliano Papi
- Dipartimento di Neuroscienze, Università Cattolica del Sacro Cuore, Rome, Italy
- Fondazione Policlinico Universitario “A. Gemelli”, IRCCS, Rome, Italy
| | - Giovanni Delogu
- Dipartimento di Scienze Biotecnologiche di Base, Cliniche Intensivologiche e Perioperatorie-Sezione di Microbiologia, Università Cattolica del Sacro Cuore, Rome, Italy
- Mater Olbia Hospital, Olbia, Italy
| | - Flavio De Maio
- Fondazione Policlinico Universitario “A. Gemelli”, IRCCS, Rome, Italy
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Demkova L, Bugajev V, Adamcova MK, Kuchar L, Grusanovic S, Alberich-Jorda M, Draber P, Halova I. Simultaneous deletion of ORMDL1 and ORMDL3 proteins disrupts immune cell homeostasis. Front Immunol 2024; 15:1376629. [PMID: 38715613 PMCID: PMC11074395 DOI: 10.3389/fimmu.2024.1376629] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2024] [Accepted: 04/08/2024] [Indexed: 06/04/2024] Open
Abstract
ORMDL3 is a prominent member of a family of highly conserved endoplasmic reticulum resident proteins, ORMs (ORM1 and ORM2) in yeast, dORMDL in Drosophila and ORMDLs (ORMDL1, ORMDL2, and ORMDL3) in mammals. ORMDL3 mediates feedback inhibition of de novo sphingolipid synthesis. Expression levels of ORMDL3 are associated with the development of inflammatory and autoimmune diseases including asthma, systemic lupus erythematosus, type 1 diabetes mellitus and others. It has been shown that simultaneous deletions of other ORMDL family members could potentiate ORMDL3-induced phenotypes. To understand the complex function of ORMDL proteins in immunity in vivo, we analyzed mice with single or double deletions of Ormdl genes. In contrast to other single and double knockouts, simultaneous deletion of ORMDL1 and ORMDL3 proteins disrupted blood homeostasis and reduced immune cell content in peripheral blood and spleens of mice. The reduced number of splenocytes was not caused by aberrant immune cell homing. A competitive bone marrow transplantation assay showed that the development of Ormdl1-/-/Ormdl3-/- B cells was dependent on lymphocyte intrinsic factors. Highly increased sphingolipid production was observed in the spleens and bone marrow of Ormdl1-/-/Ormdl3-/- mice. Slight, yet significant, increase in some sphingolipid species was also observed in the spleens of Ormdl3-/- mice and in the bone marrow of both, Ormdl1-/- and Ormdl3-/- single knockout mice. Taken together, our results demonstrate that the physiological expression of ORMDL proteins is critical for the proper development and circulation of lymphocytes. We also show cell-type specific roles of individual ORMDL family members in the production of different sphingolipid species.
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Affiliation(s)
- Livia Demkova
- Laboratory of Signal Transduction, Institute of Molecular Genetics of the Czech Academy of Sciences, Prague, Czechia
| | - Viktor Bugajev
- Laboratory of Signal Transduction, Institute of Molecular Genetics of the Czech Academy of Sciences, Prague, Czechia
| | - Miroslava K. Adamcova
- Laboratory of Hemato-Oncology, Institute of Molecular Genetics of the Czech Academy of Sciences, Prague, Czechia
| | - Ladislav Kuchar
- Research Unit for Rare Diseases, Department of Pediatrics and Inherited Metabolic Disorders, First Faculty of Medicine, Charles University and General University Hospital in Prague, Prague, Czechia
| | - Srdjan Grusanovic
- Laboratory of Hemato-Oncology, Institute of Molecular Genetics of the Czech Academy of Sciences, Prague, Czechia
| | - Meritxell Alberich-Jorda
- Laboratory of Hemato-Oncology, Institute of Molecular Genetics of the Czech Academy of Sciences, Prague, Czechia
| | - Petr Draber
- Laboratory of Signal Transduction, Institute of Molecular Genetics of the Czech Academy of Sciences, Prague, Czechia
| | - Ivana Halova
- Laboratory of Signal Transduction, Institute of Molecular Genetics of the Czech Academy of Sciences, Prague, Czechia
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Agrawal S, Tran MT, Jennings TSK, Soliman MMH, Heo S, Sasson B, Rahmatpanah F, Agrawal A. Changes in the innate immune response to SARS-CoV-2 with advancing age in humans. Immun Ageing 2024; 21:21. [PMID: 38515147 PMCID: PMC10956333 DOI: 10.1186/s12979-024-00426-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Accepted: 03/12/2024] [Indexed: 03/23/2024]
Abstract
BACKGROUND Advancing age is a major risk factor for respiratory viral infections. The infections are often prolonged and difficult to resolve resulting hospitalizations and mortality. The recent COVID-19 pandemic has highlighted this as elderly subjects have emerged as vulnerable populations that display increased susceptibility and severity to SARS-CoV-2. There is an urgent need to identify the probable mechanisms underlying this to protect against future outbreaks of such nature. Innate immunity is the first line of defense against viruses and its decline impacts downstream immune responses. This is because dendritic cells (DCs) and macrophages are key cellular elements of the innate immune system that can sense and respond to viruses by producing inflammatory mediators and priming CD4 and CD8 T-cell responses. RESULTS We investigated the changes in innate immune responses to SARS-CoV-2 as a function of age. Our results using human PBMCs from aged, middle-aged, and young subjects indicate that the activation of DCs and monocytes in response to SARS-CoV-2 is compromised with age. The impairment is most apparent in pDCs where both aged and middle-aged display reduced responses. The secretion of IL-29 that confers protection against respiratory viruses is also decreased in both aged and middle-aged subjects. In contrast, inflammatory mediators associated with severe COVID-19 including CXCL-8, TREM-1 are increased with age. This is also apparent in the gene expression data where pathways related host defense display an age dependent decrease with a concomitant increase in inflammatory pathways. Not only are the inflammatory pathways and mediators increased after stimulation with SARS-CoV-2 but also at homeostasis. In keeping with reduced DC activation, the induction of cytotoxic CD8 T cells is also impaired in aged subjects. However, the CD8 T cells from aged subjects display increased baseline activation in accordance with the enhanced baseline inflammation. CONCLUSIONS Our results demonstrate a decline in protective anti-viral immune responses and increase in damaging inflammatory responses with age indicating that dysregulated innate immune responses play a significant role in the increased susceptibility of aged subjects to COVID-19. Furthermore, the dysregulation in immune responses develops early on as middle-aged demonstrate several of these changes.
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Affiliation(s)
- Sudhanshu Agrawal
- Division of Basic and Clinical Immunology, Department of Medicine, University of California Irvine, Irvine, CA, 92697, USA
| | - Michelle Thu Tran
- Division of Basic and Clinical Immunology, Department of Medicine, University of California Irvine, Irvine, CA, 92697, USA
| | | | - Marlaine Maged Hosny Soliman
- Division of Basic and Clinical Immunology, Department of Medicine, University of California Irvine, Irvine, CA, 92697, USA
| | - Sally Heo
- Division of Basic and Clinical Immunology, Department of Medicine, University of California Irvine, Irvine, CA, 92697, USA
| | - Bobby Sasson
- Department of Medicine, University of California Irvine, Irvine, CA, 92697, USA
| | - Farah Rahmatpanah
- Department of Pathology, University of California Irvine, Irvine, CA, 92697, USA
| | - Anshu Agrawal
- Division of Basic and Clinical Immunology, Department of Medicine, University of California Irvine, Irvine, CA, 92697, USA.
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8
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Schempp R, Eilts J, Schöl M, Grijalva Yépez MF, Fekete A, Wigger D, Schumacher F, Kleuser B, van Ham M, Jänsch L, Sauer M, Avota E. The Role of Neutral Sphingomyelinase-2 (NSM2) in the Control of Neutral Lipid Storage in T Cells. Int J Mol Sci 2024; 25:3247. [PMID: 38542220 PMCID: PMC10970209 DOI: 10.3390/ijms25063247] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2024] [Revised: 02/25/2024] [Accepted: 03/08/2024] [Indexed: 04/04/2024] Open
Abstract
The accumulation of lipid droplets (LDs) and ceramides (Cer) is linked to non-alcoholic fatty liver disease (NAFLD), regularly co-existing with type 2 diabetes and decreased immune function. Chronic inflammation and increased disease severity in viral infections are the hallmarks of the obesity-related immunopathology. The upregulation of neutral sphingomyelinase-2 (NSM2) has shown to be associated with the pathology of obesity in tissues. Nevertheless, the role of sphingolipids and specifically of NSM2 in the regulation of immune cell response to a fatty acid (FA) rich environment is poorly studied. Here, we identified the presence of the LD marker protein perilipin 3 (PLIN3) in the intracellular nano-environment of NSM2 using the ascorbate peroxidase APEX2-catalyzed proximity-dependent biotin labeling method. In line with this, super-resolution structured illumination microscopy (SIM) shows NSM2 and PLIN3 co-localization in LD organelles in the presence of increased extracellular concentrations of oleic acid (OA). Furthermore, the association of enzymatically active NSM2 with isolated LDs correlates with increased Cer levels in these lipid storage organelles. NSM2 enzymatic activity is not required for NSM2 association with LDs, but negatively affects the LD numbers and cellular accumulation of long-chain unsaturated triacylglycerol (TAG) species. Concurrently, NSM2 expression promotes mitochondrial respiration and fatty acid oxidation (FAO) in response to increased OA levels, thereby shifting cells to a high energetic state. Importantly, endogenous NSM2 activity is crucial for primary human CD4+ T cell survival and proliferation in a FA rich environment. To conclude, our study shows a novel NSM2 intracellular localization to LDs and the role of enzymatically active NSM2 in metabolic response to enhanced FA concentrations in T cells.
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Affiliation(s)
- Rebekka Schempp
- Institute for Virology and Immunobiology, University of Wuerzburg, 97078 Wuerzburg, Germany; (R.S.); (M.S.); (M.F.G.Y.)
| | - Janna Eilts
- Department of Biotechnology and Biophysics, Biocenter, University of Wuerzburg, 97074 Wuerzburg, Germany; (J.E.); (M.S.)
| | - Marie Schöl
- Institute for Virology and Immunobiology, University of Wuerzburg, 97078 Wuerzburg, Germany; (R.S.); (M.S.); (M.F.G.Y.)
| | - Maria Fernanda Grijalva Yépez
- Institute for Virology and Immunobiology, University of Wuerzburg, 97078 Wuerzburg, Germany; (R.S.); (M.S.); (M.F.G.Y.)
| | - Agnes Fekete
- Pharmaceutical Biology, Julius-von-Sachs-Institute, Biocenter, University of Wuerzburg, 97082 Wuerzburg, Germany;
| | - Dominik Wigger
- Department of Pharmacology and Toxicology, Institute of Pharmacy, Freie Universitaet Berlin, 14195 Berlin, Germany; (D.W.); (F.S.); (B.K.)
| | - Fabian Schumacher
- Department of Pharmacology and Toxicology, Institute of Pharmacy, Freie Universitaet Berlin, 14195 Berlin, Germany; (D.W.); (F.S.); (B.K.)
| | - Burkhard Kleuser
- Department of Pharmacology and Toxicology, Institute of Pharmacy, Freie Universitaet Berlin, 14195 Berlin, Germany; (D.W.); (F.S.); (B.K.)
| | - Marco van Ham
- Cellular Proteome Research Group, Helmholtz Centre for Infection Research, 38124 Braunschweig, Germany; (M.v.H.); (L.J.)
| | - Lothar Jänsch
- Cellular Proteome Research Group, Helmholtz Centre for Infection Research, 38124 Braunschweig, Germany; (M.v.H.); (L.J.)
| | - Markus Sauer
- Department of Biotechnology and Biophysics, Biocenter, University of Wuerzburg, 97074 Wuerzburg, Germany; (J.E.); (M.S.)
| | - Elita Avota
- Institute for Virology and Immunobiology, University of Wuerzburg, 97078 Wuerzburg, Germany; (R.S.); (M.S.); (M.F.G.Y.)
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9
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Choi BJ, Park MH, Jin HK, Bae JS. Acid sphingomyelinase as a pathological and therapeutic target in neurological disorders: focus on Alzheimer's disease. Exp Mol Med 2024; 56:301-310. [PMID: 38337058 PMCID: PMC10907607 DOI: 10.1038/s12276-024-01176-4] [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: 08/08/2023] [Revised: 12/04/2023] [Accepted: 12/05/2023] [Indexed: 02/12/2024] Open
Abstract
Over the past decade, numerous studies have highlighted the importance of acid sphingomyelinase (ASM) in disease treatment in humans. This enzyme functions primarily to generate ceramide, maintain the cellular membrane, and regulate cellular function. However, in the blood and brain of patients with neurological disorders, including major depression, ischemic stroke, amyotrophic lateral sclerosis, multiple sclerosis, and Alzheimer's disease (AD), elevated ASM levels significantly suggest disease onset or progression. In these diseases, increased ASM is profoundly involved in neuronal death, abnormal autophagy, neuroinflammation, blood-brain barrier disruption, hippocampal neurogenesis loss, and immune cell dysfunction. Moreover, genetic and pharmacological inhibition of ASM can prevent or ameliorate various diseases. The therapeutic effects of ASM inhibition have prompted the urgent need to develop ASM inhibitors, and several ASM inhibitors have been identified. In this review, we summarize the current knowledge on the critical roles and mechanisms of ASM in brain cells and blood that are associated with different neuropathological features, especially those observed in AD. Furthermore, we elucidate the potential possibility and limitations of existing ASM-targeting drugs according to experimental studies in neurological disorder mouse models.
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Affiliation(s)
- Byung Jo Choi
- KNU Alzheimer's Disease Research Institute, Kyungpook National University, Daegu, 41566, South Korea
- Department of Physiology, School of Medicine, Kyungpook National University, Daegu, 41944, South Korea
| | - Min Hee Park
- KNU Alzheimer's Disease Research Institute, Kyungpook National University, Daegu, 41566, South Korea
- Department of Physiology, School of Medicine, Kyungpook National University, Daegu, 41944, South Korea
| | - Hee Kyung Jin
- KNU Alzheimer's Disease Research Institute, Kyungpook National University, Daegu, 41566, South Korea
- Department of Laboratory Animal Medicine, College of Veterinary Medicine, Kyungpook National University, Daegu, 41566, South Korea
| | - Jae-Sung Bae
- KNU Alzheimer's Disease Research Institute, Kyungpook National University, Daegu, 41566, South Korea.
- Department of Physiology, School of Medicine, Kyungpook National University, Daegu, 41944, South Korea.
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10
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Jamjoum R, Majumder S, Issleny B, Stiban J. Mysterious sphingolipids: metabolic interrelationships at the center of pathophysiology. Front Physiol 2024; 14:1229108. [PMID: 38235387 PMCID: PMC10791800 DOI: 10.3389/fphys.2023.1229108] [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: 06/05/2023] [Accepted: 11/27/2023] [Indexed: 01/19/2024] Open
Abstract
Metabolic pathways are complex and intertwined. Deficiencies in one or more enzymes in a given pathway are directly linked with genetic diseases, most of them having devastating manifestations. The metabolic pathways undertaken by sphingolipids are diverse and elaborate with ceramide species serving as the hubs of sphingolipid intermediary metabolism and function. Sphingolipids are bioactive lipids that serve a multitude of cellular functions. Being pleiotropic in function, deficiency or overproduction of certain sphingolipids is associated with many genetic and chronic diseases. In this up-to-date review article, we strive to gather recent scientific evidence about sphingolipid metabolism, its enzymes, and regulation. We shed light on the importance of sphingolipid metabolism in a variety of genetic diseases and in nervous and immune system ailments. This is a comprehensive review of the state of the field of sphingolipid biochemistry.
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Affiliation(s)
- Rama Jamjoum
- Department of Pharmacy, Birzeit University, West Bank, Palestine
| | - Saurav Majumder
- National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health, Rockville, MD, United States
| | - Batoul Issleny
- Department of Pharmacy, Birzeit University, West Bank, Palestine
| | - Johnny Stiban
- Department of Biology and Biochemistry, Birzeit University, West Bank, Palestine
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11
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Thomas S, Samuel SV, Hoch A, Syphurs C, Diray-Arce J. The Implication of Sphingolipids in Viral Infections. Int J Mol Sci 2023; 24:17303. [PMID: 38139132 PMCID: PMC10743733 DOI: 10.3390/ijms242417303] [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: 10/28/2023] [Revised: 12/03/2023] [Accepted: 12/06/2023] [Indexed: 12/24/2023] Open
Abstract
Sphingolipids are involved in cell signaling and metabolic pathways, and their metabolites play a critical role in host defense against intracellular pathogens. Here, we review the known mechanisms of sphingolipids in viral infections and discuss the potential implication of the study of sphingolipid metabolism in vaccine and therapeutic development.
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Affiliation(s)
- Sanya Thomas
- Precision Vaccines Program, Department of Pediatrics, Boston Children’s Hospital, Boston, MA 02115, USA; (S.T.); (A.H.); (C.S.)
- Harvard Medical School, Boston, MA 02115, USA;
| | - Stephen Varghese Samuel
- Harvard Medical School, Boston, MA 02115, USA;
- Department of Emergency Medicine, Christian Medical College and Hospital, Vellore 632004, India
| | - Annmarie Hoch
- Precision Vaccines Program, Department of Pediatrics, Boston Children’s Hospital, Boston, MA 02115, USA; (S.T.); (A.H.); (C.S.)
| | - Caitlin Syphurs
- Precision Vaccines Program, Department of Pediatrics, Boston Children’s Hospital, Boston, MA 02115, USA; (S.T.); (A.H.); (C.S.)
| | - Joann Diray-Arce
- Precision Vaccines Program, Department of Pediatrics, Boston Children’s Hospital, Boston, MA 02115, USA; (S.T.); (A.H.); (C.S.)
- Harvard Medical School, Boston, MA 02115, USA;
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12
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Antonisamy B, Shailesh H, Hani Y, Ahmed LHM, Noor S, Ahmed SY, Alfaki M, Muhayimana A, Jacob SS, Balayya SK, Soloviov O, Liu L, Mathew LS, Wang K, Tomei S, Al Massih A, Mathew R, Karim MY, Ramanjaneya M, Worgall S, Janahi IA. Sphingolipids in Childhood Asthma and Obesity (SOAP Study): A Protocol of a Cross-Sectional Study. Metabolites 2023; 13:1146. [PMID: 37999242 PMCID: PMC10673587 DOI: 10.3390/metabo13111146] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2023] [Revised: 10/27/2023] [Accepted: 10/31/2023] [Indexed: 11/25/2023] Open
Abstract
Asthma and obesity are two of the most common chronic conditions in children and adolescents. There is increasing evidence that sphingolipid metabolism is altered in childhood asthma and is linked to airway hyperreactivity. Dysregulated sphingolipid metabolism is also reported in obesity. However, the functional link between sphingolipid metabolism, asthma, and obesity is not completely understood. This paper describes the protocol of an ongoing study on sphingolipids that aims to examine the pathophysiology of sphingolipids in childhood asthma and obesity. In addition, this study aims to explore the novel biomarkers through a comprehensive multi-omics approach including genomics, genome-wide DNA methylation, RNA-Seq, microRNA (miRNA) profiling, lipidomics, metabolomics, and cytokine profiling. This is a cross-sectional study aiming to recruit 440 children from different groups: children with asthma and normal weight (n = 100), asthma with overweight or obesity (n = 100), overweight or obesity (n = 100), normal weight (n = 70), and siblings of asthmatic children with normal weight, overweight, or obesity (n = 70). These participants will be recruited from the pediatric pulmonology, pediatric endocrinology, and general pediatric outpatient clinics at Sidra Medicine, Doha, Qatar. Information will be obtained from self-reported questionnaires on asthma, quality of life, food frequency (FFQ), and a 3-day food diary that are completed by the children and their parents. Clinical measurements will include anthropometry, blood pressure, biochemistry, bioelectrical impedance, and pulmonary function tests. Blood samples will be obtained for sphingolipid analysis, serine palmitoyltransferase (SPT) assay, whole-genome sequencing (WGS), genome-wide DNA methylation study, RNA-Seq, miRNA profiling, metabolomics, lipidomics, and cytokine analysis. Group comparisons of continuous outcome variables will be carried out by a one-way analysis of variance or the Kruskal-Wallis test using an appropriate pairwise multiple comparison test. The chi-squared test or a Fisher's exact test will be used to test the associations between categorical variables. Finally, multivariate analysis will be carried out to integrate the clinical data with multi-omics data. This study will help us to understand the role of dysregulated sphingolipid metabolism in obesity and asthma. In addition, the multi-omics data from the study will help to identify novel genetic and epigenetic signatures, inflammatory markers, and mechanistic pathways that link asthma and obesity in children. Furthermore, the integration of clinical and multi-omics data will help us to uncover the potential interactions between these diseases and to offer a new paradigm for the treatment of pediatric obesity-associated asthma.
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Affiliation(s)
- Belavendra Antonisamy
- Department of Pediatric Medicine, Sidra Medicine, Doha P.O. Box 26999, Qatar; (B.A.); (H.S.); (Y.H.); (L.H.M.A.); (S.N.); (S.Y.A.); (M.A.); (A.M.)
| | - Harshita Shailesh
- Department of Pediatric Medicine, Sidra Medicine, Doha P.O. Box 26999, Qatar; (B.A.); (H.S.); (Y.H.); (L.H.M.A.); (S.N.); (S.Y.A.); (M.A.); (A.M.)
| | - Yahya Hani
- Department of Pediatric Medicine, Sidra Medicine, Doha P.O. Box 26999, Qatar; (B.A.); (H.S.); (Y.H.); (L.H.M.A.); (S.N.); (S.Y.A.); (M.A.); (A.M.)
| | - Lina Hayati M. Ahmed
- Department of Pediatric Medicine, Sidra Medicine, Doha P.O. Box 26999, Qatar; (B.A.); (H.S.); (Y.H.); (L.H.M.A.); (S.N.); (S.Y.A.); (M.A.); (A.M.)
| | - Safa Noor
- Department of Pediatric Medicine, Sidra Medicine, Doha P.O. Box 26999, Qatar; (B.A.); (H.S.); (Y.H.); (L.H.M.A.); (S.N.); (S.Y.A.); (M.A.); (A.M.)
| | - Salma Yahya Ahmed
- Department of Pediatric Medicine, Sidra Medicine, Doha P.O. Box 26999, Qatar; (B.A.); (H.S.); (Y.H.); (L.H.M.A.); (S.N.); (S.Y.A.); (M.A.); (A.M.)
| | - Mohamed Alfaki
- Department of Pediatric Medicine, Sidra Medicine, Doha P.O. Box 26999, Qatar; (B.A.); (H.S.); (Y.H.); (L.H.M.A.); (S.N.); (S.Y.A.); (M.A.); (A.M.)
| | - Abidan Muhayimana
- Department of Pediatric Medicine, Sidra Medicine, Doha P.O. Box 26999, Qatar; (B.A.); (H.S.); (Y.H.); (L.H.M.A.); (S.N.); (S.Y.A.); (M.A.); (A.M.)
| | - Shana Sunny Jacob
- Analytical Chemistry Core, Advanced Diagnostic Core Facilities, Sidra Medicine, Doha P.O. Box 26999, Qatar; (S.S.J.); (S.K.B.)
| | - Saroja Kotegar Balayya
- Analytical Chemistry Core, Advanced Diagnostic Core Facilities, Sidra Medicine, Doha P.O. Box 26999, Qatar; (S.S.J.); (S.K.B.)
| | - Oleksandr Soloviov
- Clinical Genomics Laboratory, Integrated Genomics Services, Sidra Medicine, Doha P.O. Box 26999, Qatar; (O.S.); (L.L.); (L.S.M.); (K.W.)
| | - Li Liu
- Clinical Genomics Laboratory, Integrated Genomics Services, Sidra Medicine, Doha P.O. Box 26999, Qatar; (O.S.); (L.L.); (L.S.M.); (K.W.)
| | - Lisa Sara Mathew
- Clinical Genomics Laboratory, Integrated Genomics Services, Sidra Medicine, Doha P.O. Box 26999, Qatar; (O.S.); (L.L.); (L.S.M.); (K.W.)
| | - Kun Wang
- Clinical Genomics Laboratory, Integrated Genomics Services, Sidra Medicine, Doha P.O. Box 26999, Qatar; (O.S.); (L.L.); (L.S.M.); (K.W.)
| | - Sara Tomei
- Omics Core, Integrated Genomics Services, Sidra Medicine, Doha P.O. Box 26999, Qatar; (S.T.); (A.A.M.); (R.M.)
| | - Alia Al Massih
- Omics Core, Integrated Genomics Services, Sidra Medicine, Doha P.O. Box 26999, Qatar; (S.T.); (A.A.M.); (R.M.)
| | - Rebecca Mathew
- Omics Core, Integrated Genomics Services, Sidra Medicine, Doha P.O. Box 26999, Qatar; (S.T.); (A.A.M.); (R.M.)
| | - Mohammed Yousuf Karim
- Department of Pathology, Sidra Medicine, Doha P.O. Box 26999, Qatar;
- College of Medicine, Qatar University, Doha P.O. Box 2713, Qatar
| | - Manjunath Ramanjaneya
- Qatar Metabolic Institute, Hamad Medical Corporation, Doha P.O. Box 3050, Qatar;
- Translational Research Institute, Hamad Medical Corporation, Doha P.O. Box 3050, Qatar
| | - Stefan Worgall
- Department of Pediatrics, Weill Cornell Medicine, New York, NY 10021, USA;
| | - Ibrahim A. Janahi
- Department of Pediatric Medicine, Sidra Medicine, Doha P.O. Box 26999, Qatar; (B.A.); (H.S.); (Y.H.); (L.H.M.A.); (S.N.); (S.Y.A.); (M.A.); (A.M.)
- Department of Pediatrics, Weill Cornell Medicine-Qatar, Doha P.O. Box 24144, Qatar
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13
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Fernandes C, Casadevall A, Gonçalves T. Mechanisms of Alternaria pathogenesis in animals and plants. FEMS Microbiol Rev 2023; 47:fuad061. [PMID: 37884396 DOI: 10.1093/femsre/fuad061] [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: 05/08/2023] [Revised: 09/18/2023] [Accepted: 10/25/2023] [Indexed: 10/28/2023] Open
Abstract
Alternaria species are cosmopolitan fungi darkly pigmented by melanin that infect numerous plant species causing economically important agricultural spoilage of various food crops. Alternaria spp. also infect animals, being described as entomopathogenic fungi but also infecting warm-blooded animals, including humans. Their clinical importance in human health, as infection agents, lay in the growing number of immunocompromised patients. Moreover, Alternaria spp. are considered some of the most abundant and potent sources of airborne sensitizer allergens causing allergic respiratory diseases, as severe asthma. Among the numerous strategies deployed by Alternaria spp. to attack their hosts, the production of toxins, carrying critical concerns to public health as food contaminant, and the production of hydrolytic enzymes such as proteases, can be highlighted. Alternaria proteases also trigger allergic symptoms in individuals with fungal sensitization, acting as allergens and facilitating antigen access to the host subepithelium. Here, we review the current knowledge about the mechanisms of Alternaria pathogenesis in plants and animals, the strategies used by Alternaria to cope with the host defenses, and the involvement Alternaria allergens and mechanisms of sensitization.
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Affiliation(s)
- Chantal Fernandes
- CNC-UC - Center for Neuroscience and Cell Biology of Coimbra, Rua Larga, 3004-504 Coimbra, Portugal
| | - Arturo Casadevall
- Department of Molecular Microbiology and Immunology, Johns Hopkins Bloomberg School of Public Health, Wolfe Street, Room E5132, Baltimore, Maryland 21205, USA
| | - Teresa Gonçalves
- CNC-UC - Center for Neuroscience and Cell Biology of Coimbra, Rua Larga, 3004-504 Coimbra, Portugal
- FMUC - Faculty of Medicine, University of Coimbra, Rua Larga, 3004-504 Coimbra, Portugal
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Noli C, Varina A, Barbieri C, Pirola A, Olivero D. Analysis of Intestinal Microbiota and Metabolic Pathways before and after a 2-Month-Long Hydrolyzed Fish and Rice Starch Hypoallergenic Diet Trial in Pruritic Dogs. Vet Sci 2023; 10:478. [PMID: 37505882 PMCID: PMC10384699 DOI: 10.3390/vetsci10070478] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Revised: 07/14/2023] [Accepted: 07/18/2023] [Indexed: 07/29/2023] Open
Abstract
Intestinal microbiota alterations were described in allergic individuals and may improve with diets. Farmina Ultra Hypo (FUH), a hydrolyzed fish/rice starch hypoallergenic diet, is able to improve clinical signs in allergic dogs. Study objectives were to determine microbiota differences in allergic dogs before and after feeding with FUH for eight weeks. Forty skin allergic dogs were evaluated clinically before and after the diet. Unresponsive dogs were classified as canine atopic dermatitis (CAD); responsive dogs relapsing after challenge with previous foods were classified as being food reactive (AFR), and those not relapsing as doubtful (D). Sequencing of feces collected pre- and post-diet was performed, with comparisons between and within groups, pre- and post-diet, and correlations to possible altered metabolic pathways were sought. Microbiota in all dogs was dominated by Bacteroidota, Fusobacteriota, Firmicutes and Proteobacteria, albeit with large interindividual variations and with some prevalence changes after the diet. In general, bacteria producing short-chain fatty acids were increased in all samples. CAD dogs showed pre-and post-diet microbiota patterns different from the other two groups. Bacteria taxa were enriched post-diet only in the AFR group. Changes in metabolic pathways were observed mainly in the CAD group. FUH may be able to improve intestinal microbiota and thus clinical signs of skin allergy.
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Affiliation(s)
- Chiara Noli
- Servizi Dermatologici Veterinari, Strada Bedale della Ressia 2, 12016 Peveragno, Italy
| | - Antonella Varina
- Ambulatorio Veterinario Varina-Ghidella-Scarfone, Via Fréjus 54, 10139 Torino, Italy
| | | | | | - Daniela Olivero
- Laboratorio Analisi Veterinarie BiEsseA Scilvet, Via Amedeo d'Aosta 7, 20129 Milano, Italy
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