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Li W, Fan Y, Lan H, Li X, Wu Q, Dong R. GDPD3 Deficiency Alleviates Neuropathic Pain and Reprograms Macrophagic Polarization Through PGE2 and PPARγ Pathway. Neurochem Res 2024:10.1007/s11064-024-04148-2. [PMID: 38769197 DOI: 10.1007/s11064-024-04148-2] [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: 09/15/2023] [Revised: 02/22/2024] [Accepted: 05/02/2024] [Indexed: 05/22/2024]
Abstract
The complex mechanism of neuropathic pain involves various aspects of both central and peripheral pain conduction pathways. An effective cure for neuropathic pain therefore remains elusive. We found that deficiency of the gene Gdpd3, encoding a lysophospholipase D enzyme, alleviates the inflammatory responses in dorsal root ganglia (DRG) of mice under neuropathic pain and reduces PE (20:4) and PGE2 in DRG. Gdpd3 deficiency had a stronger analgesic effect on neuropathic pain than Celecoxib, a nonsteroidal anti-inflammatory drug. Gdpd3 deficiency also interferes with the polarization of macrophages, switching from M1 towards M2 phenotype. The PPARγ/ FABP4 pathway was screened by RNA sequencing as functional related with Gdpd3 deficient BMDMs stimulated with LPS. Both protein and mRNA levels of PPARγ in GDPD3 deficient BMDMs were higher than those of the litter control mice. However, GW9962 (inhibitor of PPARγ) could reverse the reprogramming polarization of macrophages caused by GDPD3 deficiency. Therefore, our study suggests that GDPD3 deficiency exerts a relieving effect on neuropathic pain and alleviates neuroinflammation in DRG by switching the phenotype of macrophages from M1 to M2, which was mediated through PGE2 and PPARγ/ FABP4 pathway.
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Affiliation(s)
- Wenqian Li
- Department of Anesthesiology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Youjia Fan
- Department of Anesthesiology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, 197 Ruijin Second Road, Shanghai, 200025, China
| | - Haizhen Lan
- Department of Anesthesiology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, 197 Ruijin Second Road, Shanghai, 200025, China
| | - Xiaoxiao Li
- Department of Anesthesiology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Qichao Wu
- Department of Anesthesiology, Zhongshan Hospital, Fudan University, Shanghai, China.
| | - Rong Dong
- Department of Anesthesiology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, 197 Ruijin Second Road, Shanghai, 200025, China.
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Chakraborty A, Kamat SS. Lysophosphatidylserine: A Signaling Lipid with Implications in Human Diseases. Chem Rev 2024; 124:5470-5504. [PMID: 38607675 DOI: 10.1021/acs.chemrev.3c00701] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/14/2024]
Abstract
Lysophosphatidylserine (lyso-PS) has emerged as yet another important signaling lysophospholipid in mammals, and deregulation in its metabolism has been directly linked to an array of human autoimmune and neurological disorders. It has an indispensable role in several biological processes in humans, and therefore, cellular concentrations of lyso-PS are tightly regulated to ensure optimal signaling and functioning in physiological settings. Given its biological importance, the past two decades have seen an explosion in the available literature toward our understanding of diverse aspects of lyso-PS metabolism and signaling and its association with human diseases. In this Review, we aim to comprehensively summarize different aspects of lyso-PS, such as its structure, biodistribution, chemical synthesis, and SAR studies with some synthetic analogs. From a biochemical perspective, we provide an exhaustive coverage of the diverse biological activities modulated by lyso-PSs, such as its metabolism and the receptors that respond to them in humans. We also briefly discuss the human diseases associated with aberrant lyso-PS metabolism and signaling and posit some future directions that may advance our understanding of lyso-PS-mediated mammalian physiology.
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Affiliation(s)
- Arnab Chakraborty
- Department of Biology, Indian Institute of Science Education and Research, Dr. Homi Bhabha Road, Pashan, Pune 411008, Maharashtra, India
| | - Siddhesh S Kamat
- Department of Biology, Indian Institute of Science Education and Research, Dr. Homi Bhabha Road, Pashan, Pune 411008, Maharashtra, India
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3
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Wei Y, Lv J, Zhu S, Wang S, Su J, Xu C. Enzyme-responsive liposomes for controlled drug release. Drug Discov Today 2024; 29:104014. [PMID: 38705509 DOI: 10.1016/j.drudis.2024.104014] [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: 12/16/2023] [Revised: 04/19/2024] [Accepted: 04/29/2024] [Indexed: 05/07/2024]
Abstract
Compared to other nanovectors, liposomes exhibit unique advantages, such as good biosafety and high drug-loading capacity. However, slow drug release from conventional liposomes makes most payloads unavailable, restricting the therapeutic efficacy. Therefore, in the last ∼20 years, enzyme-responsive liposomes have been extensively investigated, which liberate drugs under the stimulation of enzymes overexpressed at disease sites. In this review, we elaborate on the research progress on enzyme-responsive liposomes. The involved enzymes mainly include phospholipases, particularly phospholipase A2, matrix metalloproteinases, cathepsins, and esterases. These enzymes can cleave ester bonds or specific peptide sequences incorporated in the liposomes for controlled drug release by disrupting the primary structure of liposomes, detaching protective polyethylene glycol shells, or activating liposome-associated prodrugs. Despite decades of efforts, there are still a lack marketed products of enzyme-responsive liposomes. Therefore, more efforts should be made to improve the safety and effectiveness of enzyme-responsive liposomes and address the issues associated with production scale-up.
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Affiliation(s)
- Yan Wei
- Institute of Translational Medicine, Shanghai University, Shanghai 200444, China; Organoid Research Center, Shanghai University, Shanghai 200444, China; Department of Orthopedics, Shanghai Zhongye Hospital, Shanghai 200941, China.
| | - Jiajing Lv
- Institute of Translational Medicine, Shanghai University, Shanghai 200444, China; Organoid Research Center, Shanghai University, Shanghai 200444, China
| | - Shiyu Zhu
- Institute of Translational Medicine, Shanghai University, Shanghai 200444, China; Organoid Research Center, Shanghai University, Shanghai 200444, China
| | - Sicheng Wang
- Department of Orthopedics, Shanghai Zhongye Hospital, Shanghai 200941, China.
| | - Jiacan Su
- Institute of Translational Medicine, Shanghai University, Shanghai 200444, China; Organoid Research Center, Shanghai University, Shanghai 200444, China; Department of Orthopedics, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200092, China.
| | - Can Xu
- Department of Gastroenterology, Changhai Hospital, Shanghai 200433, China.
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Koike S, Keino-Masu K, Masu M. Enpp2 haploinsufficiency induces an eye-open-at-birth phenotype in the DBA/2 background. MICROPUBLICATION BIOLOGY 2024; 2024:10.17912/micropub.biology.001212. [PMID: 38725939 PMCID: PMC11079641 DOI: 10.17912/micropub.biology.001212] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Figures] [Subscribe] [Scholar Register] [Received: 02/21/2024] [Revised: 04/12/2024] [Accepted: 04/19/2024] [Indexed: 05/12/2024]
Abstract
Autotaxin, encoded by the Enpp2 gene, produces lysophosphatidic acid (LPA), which exerts numerous biological functions via its cognate receptors. Enpp2 null mutant mice die by embryonic day 9.5 owing to aberrant vascular development in the yolk sac, preventing analysis after that period. In this study, we found that Enpp2 heterozygous mice in the DBA/2 genetic background showed an eye-open-at-birth phenotype at high frequency, caused by failure of eyelid closure during the embryonic stage. Notably, wildtype pups from the Enpp2 heterozygous dam showed the phenotype, although at lower frequency, suggesting that maternal LPA affects the embryonic development.
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Affiliation(s)
- Seiichi Koike
- Graduate School of Comprehensive Human Sciences, University of Tsukuba, Tsukuba, Ibaraki, Japan
- Department of Molecular Neurobiology, Institute of Medicine, University of Tsukuba, Tsukuba, Ibaraki, Japan
- Engineering for Research, University of Toyama, Toyama, Toyama, Japan
| | - Kazuko Keino-Masu
- Graduate School of Comprehensive Human Sciences, University of Tsukuba, Tsukuba, Ibaraki, Japan
- Department of Molecular Neurobiology, Institute of Medicine, University of Tsukuba, Tsukuba, Ibaraki, Japan
| | - Masayuki Masu
- Graduate School of Comprehensive Human Sciences, University of Tsukuba, Tsukuba, Ibaraki, Japan
- Department of Molecular Neurobiology, Institute of Medicine, University of Tsukuba, Tsukuba, Ibaraki, Japan
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Wang W, Huang M, Ge W, Feng J, Zhang X, Li C, Wang L. Identifying serum metabolite biomarkers for autoimmune diseases: a two-sample mendelian randomization and meta-analysis. Front Immunol 2024; 15:1300457. [PMID: 38686387 PMCID: PMC11056515 DOI: 10.3389/fimmu.2024.1300457] [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: 09/23/2023] [Accepted: 04/05/2024] [Indexed: 05/02/2024] Open
Abstract
Background Extensive evidence suggests a link between alterations in serum metabolite composition and various autoimmune diseases (ADs). Nevertheless, the causal relationship underlying these correlations and their potential utility as dependable biomarkers for early AD detection remain uncertain. Objective The objective of this study was to employ a two-sample Mendelian randomization (MR) approach to ascertain the causal relationship between serum metabolites and ADs. Additionally, a meta-analysis incorporating data from diverse samples was conducted to enhance the validation of this causal effect. Materials and methods A two-sample MR analysis was performed to investigate the association between 486 human serum metabolites and six prevalent autoimmune diseases: systemic lupus erythematosus (SLE), rheumatoid arthritis (RA), inflammatory bowel disease (IBD), dermatomyositis (DM), type 1 diabetes (T1D), and celiac disease (CeD). The inverse variance weighted (IVW) model was employed as the primary analytical technique for the two-sample MR analysis, aiming to identify blood metabolites linked with autoimmune diseases. Independent outcome samples were utilized for further validation of significant blood metabolites. Additional sensitivity analyses, including heterogeneity test, horizontal pleiotropy test, and retention rate analysis, were conducted. The results from these analyses were subsequently meta-integrated. Finally, metabolic pathway analysis was performed using the KEGG and Small Molecule Pathway Databases (SMPD). Results Following the discovery and replication phases, eight metabolites were identified as causally associated with various autoimmune diseases, encompassing five lipid metabolism types: 1-oleoylglycerophosphoethanolamine, 1-arachidonoylglycerophosphoethanolamine, 1-myristoylglycerophosphocholine, arachidonate (20:4 n6), and glycerol. The meta-analysis indicated that three out of these eight metabolites exhibited a protective effect, while the remaining five were designated as pathogenic factors. The robustness of these associations was further confirmed through sensitivity analysis. Moreover, an investigation into metabolic pathways revealed a significant correlation between galactose metabolism and autoimmune diseases. Conclusion This study revealed a causal relationship between lipid metabolites and ADs, providing novel insights into the mechanism of AD development mediated by serum metabolites and possible biomarkers for early diagnosis.
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Affiliation(s)
- Wenwen Wang
- Department of Health Statistics, School of Preventive Medicine, Ministry of Education Key Lab of Hazard Assessment and Control in Special Operational Environment, Fourth Military Medical University, Xi’an, Shaanxi, China
| | - Manli Huang
- Department of Health Statistics, School of Preventive Medicine, Ministry of Education Key Lab of Hazard Assessment and Control in Special Operational Environment, Fourth Military Medical University, Xi’an, Shaanxi, China
| | - Wei Ge
- Department of Field and Disaster Nursing, Fourth Military Medical University, Xi’an, Shaanxi, China
| | - Junling Feng
- Department of Health Statistics, School of Preventive Medicine, Ministry of Education Key Lab of Hazard Assessment and Control in Special Operational Environment, Fourth Military Medical University, Xi’an, Shaanxi, China
| | - Xihua Zhang
- Department of Neurological Intensive Care Rehabilitation, Xi’an International Medical Center Hospital, Xi’an, Shaanxi, China
| | - Chen Li
- Department of Health Statistics, School of Preventive Medicine, Ministry of Education Key Lab of Hazard Assessment and Control in Special Operational Environment, Fourth Military Medical University, Xi’an, Shaanxi, China
| | - Ling Wang
- Department of Health Statistics, School of Preventive Medicine, Ministry of Education Key Lab of Hazard Assessment and Control in Special Operational Environment, Fourth Military Medical University, Xi’an, Shaanxi, China
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Shang W, Qian H, Zhang S, Yuan M, Pan X, Huang S, Liu J, Chen D. Human blood metabolites and risk of sepsis: A Mendelian randomization investigation. Eur J Clin Invest 2024; 54:e14145. [PMID: 38041600 DOI: 10.1111/eci.14145] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Revised: 11/14/2023] [Accepted: 11/26/2023] [Indexed: 12/03/2023]
Abstract
BACKGROUND Evidence supports the observational correlations between human blood metabolites and sepsis. However, whether these associations represent a causal relationship is unknown. In this study, we applied two-sample Mendelian randomization (MR) analyses to examine causality between genetically proxied 486 blood metabolites and sepsis risk. METHODS We used summary data from genome-wide association studies (GWAS) on 486 metabolites involving 7824 individuals as exposure and a sepsis GWAS including 11,643 cases and 474,841 controls as the outcome. The inverse-variance weighted (IVW) was the primary method to estimate the causal relationship between exposure and outcome, with MR-Egger and weighted median serving as supplements. Sensitivity analyses were implemented with Cochrane's Q test, MR-Egger intercept, MR-PRESSO and leave-one-out analysis. In addition, we performed replication MR, meta-analysis, Steiger test, linkage disequilibrium score (LDSC) regression and multivariable MR (MVMR) to thoroughly verify the causation. RESULTS We identified that genetically determined high levels of 1-oleoylglycerophosphoethanolamine (odds ratio (OR) = .52, 95% confidence interval (CI): .31-.87, p = .0122), alpha-glutamyltyrosine (OR = .75, 95% CI: .60-.93, p = .0102), heptanoate (7:0) (OR = .51, 95% CI: .33-.81, p = .0041) and saccharin (OR = .84, 95% CI: .74-.94, p = .0036) were causally associated with a lower risk of sepsis. MVMR analysis demonstrated the independent causal effect of these metabolites on sepsis. CONCLUSIONS These findings indicated that four blood metabolites have a protective impact on sepsis, thus providing novel perspectives into the metabolite-mediated development mechanism of sepsis by combining genomics and metabolomics.
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Affiliation(s)
- Weifeng Shang
- Department of Critical Care Medicine, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Hang Qian
- Department of Critical Care Medicine, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Sheng Zhang
- Department of Critical Care Medicine, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Mingyang Yuan
- Department of Neurology, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Xiaojun Pan
- Department of Critical Care Medicine, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Sisi Huang
- Department of Critical Care Medicine, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jiao Liu
- Department of Critical Care Medicine, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Dechang Chen
- Department of Critical Care Medicine, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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7
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Sun G, Wang B, Wu X, Cheng J, Ye J, Wang C, Zhu H, Liu X. How do sphingosine-1-phosphate affect immune cells to resolve inflammation? Front Immunol 2024; 15:1362459. [PMID: 38482014 PMCID: PMC10932966 DOI: 10.3389/fimmu.2024.1362459] [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: 12/28/2023] [Accepted: 02/06/2024] [Indexed: 04/17/2024] Open
Abstract
Inflammation is an important immune response of the body. It is a physiological process of self-repair and defense against pathogens taken up by biological tissues when stimulated by damage factors such as trauma and infection. Inflammation is the main cause of high morbidity and mortality in most diseases and is the physiological basis of the disease. Targeted therapeutic strategies can achieve efficient toxicity clearance at the inflammatory site, reduce complications, and reduce mortality. Sphingosine-1-phosphate (S1P), a lipid signaling molecule, is involved in immune cell transport by binding to S1P receptors (S1PRs). It plays a key role in innate and adaptive immune responses and is closely related to inflammation. In homeostasis, lymphocytes follow an S1P concentration gradient from the tissues into circulation. One widely accepted mechanism is that during the inflammatory immune response, the S1P gradient is altered, and lymphocytes are blocked from entering the circulation and are, therefore, unable to reach the inflammatory site. However, the full mechanism of its involvement in inflammation is not fully understood. This review focuses on bacterial and viral infections, autoimmune diseases, and immunological aspects of the Sphks/S1P/S1PRs signaling pathway, highlighting their role in promoting intradial-adaptive immune interactions. How S1P signaling is regulated in inflammation and how S1P shapes immune responses through immune cells are explained in detail. We teased apart the immune cell composition of S1P signaling and the critical role of S1P pathway modulators in the host inflammatory immune system. By understanding the role of S1P in the pathogenesis of inflammatory diseases, we linked the genomic studies of S1P-targeted drugs in inflammatory diseases to provide a basis for targeted drug development.
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Affiliation(s)
- Gehui Sun
- The First Clinical College, Gannan Medical University, Ganzhou, Jiangxi, China
- Department of Critical Care Medicine, The First Affiliated Hospital of Gannan Medical University, Ganzhou, Jiangxi, China
| | - Bin Wang
- The First Clinical College, Gannan Medical University, Ganzhou, Jiangxi, China
- Department of Critical Care Medicine, The First Affiliated Hospital of Gannan Medical University, Ganzhou, Jiangxi, China
| | - Xiaoyu Wu
- The First Clinical College, Gannan Medical University, Ganzhou, Jiangxi, China
- Department of Critical Care Medicine, The First Affiliated Hospital of Gannan Medical University, Ganzhou, Jiangxi, China
| | - Jiangfeng Cheng
- The First Clinical College, Gannan Medical University, Ganzhou, Jiangxi, China
- Department of Critical Care Medicine, The First Affiliated Hospital of Gannan Medical University, Ganzhou, Jiangxi, China
| | - Junming Ye
- The First Clinical College, Gannan Medical University, Ganzhou, Jiangxi, China
- Clinical College, Suzhou Medical College of Soochow University, Suzhou, Jiangsu, China
| | - Chunli Wang
- Department of Critical Care Medicine, The First Affiliated Hospital of Gannan Medical University, Ganzhou, Jiangxi, China
| | - Hongquan Zhu
- Department of Critical Care Medicine, The First Affiliated Hospital of Gannan Medical University, Ganzhou, Jiangxi, China
| | - Xiaofeng Liu
- Clinical College, Suzhou Medical College of Soochow University, Suzhou, Jiangsu, China
- Department of Emergency, The First Affiliated Hospital of Gannan Medical University, Ganzhou, Jiangxi, China
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Lescop C, Birker M, Brotschi C, Bürki C, Morrison K, Froidevaux S, Delahaye S, Nayler O, Bolli MH. Discovery of the Novel, Orally Active, and Selective LPA1 Receptor Antagonist ACT-1016-0707 as a Preclinical Candidate for the Treatment of Fibrotic Diseases. J Med Chem 2024; 67:2397-2424. [PMID: 38349250 DOI: 10.1021/acs.jmedchem.3c01827] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/23/2024]
Abstract
Piperidine 3 is a potent and selective lysophosphatidic acid receptor subtype 1 receptor (LPAR1) antagonist that has shown efficacy in a skin vascular leakage target engagement model in mice. However, compound 3 has very high human plasma protein binding and high clearance in rats, which could significantly hamper its clinical development. Continued lead optimization led to the potent, less protein bound, metabolically stable, and orally active azetidine 17. Rat pharmacokinetics (PK) studies revealed that 17 accumulated in the liver. In vitro studies indicated that 17 is an organic anion co-transporting polypeptide 1B1 (OATP1B1) substrate. Although analogue 24 was no longer a substrate of OATP1B1, PK studies suggested that the compound undergoes enterohepatic recirculation. Replacing the carboxylic acidic side chain by a non-acidic sulfamide moiety and further fine-tuning of the scaffold yielded the potent, orally active LPAR1 antagonist 49, which was selected for preclinical development for the treatment of fibrotic diseases.
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Affiliation(s)
- Cyrille Lescop
- DD Chemistry, Idorsia Pharmaceuticals, Ltd, Hegenheimermattweg 91, CH-4123 Allschwil, Switzerland
| | - Magdalena Birker
- DD Biology, Idorsia Pharmaceuticals, Ltd, Hegenheimermattweg 91, CH-4123 Allschwil, Switzerland
| | - Christine Brotschi
- DD Chemistry, Idorsia Pharmaceuticals, Ltd, Hegenheimermattweg 91, CH-4123 Allschwil, Switzerland
| | - Cédric Bürki
- Chemistry Process R&D, Idorsia Pharmaceuticals, Ltd, Hegenheimermattweg 91, CH-4123 Allschwil, Switzerland
| | - Keith Morrison
- DD Pharmacology, Idorsia Pharmaceuticals, Ltd, Hegenheimermattweg 91, CH-4123 Allschwil, Switzerland
| | - Sylvie Froidevaux
- DD Pharmacology, Idorsia Pharmaceuticals, Ltd, Hegenheimermattweg 91, CH-4123 Allschwil, Switzerland
| | - Stéphane Delahaye
- Preclinical DMPK, Idorsia Pharmaceuticals, Ltd, Hegenheimermattweg 91, CH-4123 Allschwil, Switzerland
| | - Oliver Nayler
- DD Biology, Idorsia Pharmaceuticals, Ltd, Hegenheimermattweg 91, CH-4123 Allschwil, Switzerland
| | - Martin H Bolli
- DD Chemistry, Idorsia Pharmaceuticals, Ltd, Hegenheimermattweg 91, CH-4123 Allschwil, Switzerland
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9
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Peterka O, Maccelli A, Jirásko R, Vaňková Z, Idkowiak J, Hrstka R, Wolrab D, Holčapek M. HILIC/MS quantitation of low-abundant phospholipids and sphingolipids in human plasma and serum: Dysregulation in pancreatic cancer. Anal Chim Acta 2024; 1288:342144. [PMID: 38220279 DOI: 10.1016/j.aca.2023.342144] [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: 09/20/2023] [Revised: 12/09/2023] [Accepted: 12/14/2023] [Indexed: 01/16/2024]
Abstract
A new hydrophilic interaction liquid chromatography - mass spectrometry method is developed for low-abundant phospholipids and sphingolipids in human plasma and serum. The optimized method involves the Cogent Silica type C hydride column, the simple sample preparation by protein precipitation, and the removal of highly abundant lipid classes using the postcolumn valve directed to waste during two elution windows. The method allows a highly confident and sensitive identification of low-abundant lipid classes in human plasma (246 lipid species from 24 lipid subclasses) based on mass accuracy and retention dependencies in both polarity modes. The method is validated for quantitation using two internal standards (if available) for each lipid class and applied to human plasma and serum samples obtained from patients with pancreatic ductal adenocarcinoma (PDAC), healthy controls, and NIST SRM 1950. Multivariate data analysis followed by various statistical projection methods is used to determine the most dysregulated lipids. Significant downregulation is observed for lysophospholipids with fatty acyl composition 16:0, 18:0, 18:1, and 18:2. Distinct trends are observed for phosphatidylethanolamines (PE) in relation to the bonding type of fatty acyls, where most PE with acyl bonds are upregulated, while ether/plasmenyl PE are downregulated. For the sphingolipid category, sphingolipids with very long N-acyl chains are downregulated, while sphingolipids with shorter N-acyl chains were upregulated in PDAC. These changes are consistently observed for various classes of sphingolipids, ranging from ceramides to glycosphingolipids, indicating a possible metabolic disorder in ceramide biosynthesis caused by PDAC.
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Affiliation(s)
- Ondřej Peterka
- University of Pardubice, Faculty of Chemical Technology, Department of Analytical Chemistry, Studentská 573, 532 10, Pardubice, Czech Republic
| | - Alessandro Maccelli
- University of Pardubice, Faculty of Chemical Technology, Department of Analytical Chemistry, Studentská 573, 532 10, Pardubice, Czech Republic
| | - Robert Jirásko
- University of Pardubice, Faculty of Chemical Technology, Department of Analytical Chemistry, Studentská 573, 532 10, Pardubice, Czech Republic
| | - Zuzana Vaňková
- University of Pardubice, Faculty of Chemical Technology, Department of Analytical Chemistry, Studentská 573, 532 10, Pardubice, Czech Republic
| | - Jakub Idkowiak
- University of Pardubice, Faculty of Chemical Technology, Department of Analytical Chemistry, Studentská 573, 532 10, Pardubice, Czech Republic
| | - Roman Hrstka
- Research Centre for Applied Molecular Oncology, Masaryk Memorial Cancer Institute, Brno, Czech Republic
| | - Denise Wolrab
- University of Pardubice, Faculty of Chemical Technology, Department of Analytical Chemistry, Studentská 573, 532 10, Pardubice, Czech Republic; University of Vienna, Department of Analytical Chemistry, Währinger Strasse 38, 1090, Vienna, Austria
| | - Michal Holčapek
- University of Pardubice, Faculty of Chemical Technology, Department of Analytical Chemistry, Studentská 573, 532 10, Pardubice, Czech Republic.
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10
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Hamu-Tanoue A, Takagi K, Taketomi Y, Miki Y, Nishito Y, Kano K, Aoki J, Matsuyama T, Kondo K, Dotake Y, Matsuyama H, Machida K, Murakami M, Inoue H. Group III secreted phospholipase A 2 -driven lysophospholipid pathway protects against allergic asthma. FASEB J 2024; 38:e23428. [PMID: 38236184 DOI: 10.1096/fj.202301976r] [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: 09/29/2023] [Revised: 12/21/2023] [Accepted: 01/03/2024] [Indexed: 01/19/2024]
Abstract
Asthma is a chronic inflammatory disease of the airways characterized by recurrent episodes of airway obstruction, hyperresponsiveness, remodeling, and eosinophilia. Phospholipase A2 s (PLA2 s), which release fatty acids and lysophospholipids from membrane phospholipids, have been implicated in exacerbating asthma by generating pro-asthmatic lipid mediators, but an understanding of the association between individual PLA2 subtypes and asthma is still incomplete. Here, we show that group III-secreted PLA2 (sPLA2 -III) plays an ameliorating, rather than aggravating, role in asthma pathology. In both mouse and human lungs, sPLA2 -III was expressed in bronchial epithelial cells and decreased during the asthmatic response. In an ovalbumin (OVA)-induced asthma model, Pla2g3-/- mice exhibited enhanced airway hyperresponsiveness, eosinophilia, OVA-specific IgE production, and type 2 cytokine expression as compared to Pla2g3+/+ mice. Lipidomics analysis showed that the pulmonary levels of several lysophospholipids, including lysophosphatidylcholine, lysophosphatidylethanolamine, and lysophosphatidic acid (LPA), were decreased in OVA-challenged Pla2g3-/- mice relative to Pla2g3+/+ mice. LPA receptor 2 (LPA2 ) agonists suppressed thymic stromal lymphopoietin (TSLP) expression in bronchial epithelial cells and reversed airway hyperresponsiveness and eosinophilia in Pla2g3-/- mice, suggesting that sPLA2 -III negatively regulates allergen-induced asthma at least by producing LPA. Thus, the activation of the sPLA2 -III-LPA pathway may be a new therapeutic target for allergic asthma.
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Affiliation(s)
- Asako Hamu-Tanoue
- Department of Pulmonary Medicine, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima, Japan
| | - Koichi Takagi
- Department of Pulmonary Medicine, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima, Japan
| | - Yoshitaka Taketomi
- Laboratory of Microenvironmental and Metabolic Health Science, Center for Disease Biology and Integrative Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
- Center for Basic Technology Research, Tokyo Metropolitan Institute of Medical Science, Tokyo, Japan
| | - Yoshimi Miki
- Laboratory of Microenvironmental and Metabolic Health Science, Center for Disease Biology and Integrative Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Yasumasa Nishito
- Center for Basic Technology Research, Tokyo Metropolitan Institute of Medical Science, Tokyo, Japan
| | - Kuniyuki Kano
- Department of Health Chemistry, Graduate School of Pharmaceutical Sciences, The University of Tokyo, Tokyo, Japan
| | - Junken Aoki
- Department of Health Chemistry, Graduate School of Pharmaceutical Sciences, The University of Tokyo, Tokyo, Japan
| | - Takahiro Matsuyama
- Department of Pulmonary Medicine, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima, Japan
| | - Kiyotaka Kondo
- Department of Pulmonary Medicine, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima, Japan
| | - Yoichi Dotake
- Department of Pulmonary Medicine, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima, Japan
| | - Hiromi Matsuyama
- Department of Pulmonary Medicine, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima, Japan
| | - Kentaro Machida
- Department of Pulmonary Medicine, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima, Japan
| | - Makoto Murakami
- Laboratory of Microenvironmental and Metabolic Health Science, Center for Disease Biology and Integrative Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
- AMED-CREST, Japan Agency for Medical Research and Development, Tokyo, Japan
| | - Hiromasa Inoue
- Department of Pulmonary Medicine, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima, Japan
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11
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Isago H, Uranbileg B, Mitani A, Kurano M. Understanding the modulations of glycero-lysophospholipids in an elastase-induced murine emphysema model. Biochem Biophys Res Commun 2024; 694:149419. [PMID: 38145597 DOI: 10.1016/j.bbrc.2023.149419] [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: 12/18/2023] [Accepted: 12/20/2023] [Indexed: 12/27/2023]
Abstract
BACKGROUND Increasing evidence indicates that bioactive lipid mediators are involved in chronic obstructive pulmonary disease (COPD) pathogenesis. Recently, glycero-lysophospholipids, such as lysophosphatidic acid (LysoPA) and lysophosphatidylserine (LysoPS), have been recognized as significant inflammation-related lipid mediators. However, their association with COPD remains unclear. METHODS We used an elastase-induced murine emphysema model to analyze the levels of lysophospholipids and diacyl-phospholipids in the lungs. Additionally, we assessed the expression of LysoPS-related genes and published data on smokers. RESULTS In the early phase of an elastase-induced murine emphysema model, the levels of LysoPS and its precursor (phosphatidylserine [PS]) were significantly reduced, without significant modulations in other glycero-lysophospholipids. Additionally, there was an upregulation in the expression of lysoPS receptors, specifically GPR34, observed in the lungs of a cigarette smoke-exposed mouse model and the alveolar macrophages of human smokers. Elastase stimulation induces GPR34 expression in a human macrophage cell line in vitro. CONCLUSIONS Elastase-induced lung emphysema affects the LysoPS/PS-GPR34 axis, and cigarette smoking or elastase upregulates GPR34 expression in alveolar macrophages. This novel association may serve as a potential pharmacological target for COPD treatment.
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Affiliation(s)
- Hideaki Isago
- Department of Clinical Laboratory, The University of Tokyo Hospital, Tokyo, Japan; Department of Respiratory Medicine, The University of Tokyo Hospital, Tokyo, Japan.
| | - Baasanjav Uranbileg
- Department of Clinical Laboratory, The University of Tokyo Hospital, Tokyo, Japan
| | - Akihisa Mitani
- Department of Respiratory Medicine, The University of Tokyo Hospital, Tokyo, Japan
| | - Makoto Kurano
- Department of Clinical Laboratory, The University of Tokyo Hospital, Tokyo, Japan
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12
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Kleuser B, Schumacher F, Gulbins E. New Therapeutic Options in Pulmonal Diseases: Sphingolipids and Modulation of Sphingolipid Metabolism. Handb Exp Pharmacol 2024; 284:289-312. [PMID: 37922034 DOI: 10.1007/164_2023_700] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2023]
Abstract
Sphingolipids are crucial molecules in the respiratory airways. As in most other tissues and organs, in the lung sphingolipids play an essential role as structural constituents as they regulate barrier function and fluidity of cell membranes. A lung-specific feature is the occurrence of sphingolipids as minor structural components in the surfactant. However, sphingolipids are also key signaling molecules involved in airway cell signaling and their dynamical formation and metabolism are important for normal lung physiology. Dysregulation of sphingolipid metabolism and signaling is involved in altering lung tissue and initiates inflammatory processes promoting the pathogenesis of pulmonal diseases including cystic fibrosis (CF), chronic obstructive pulmonary disease (COPD), and asthma.In the present review, the important role of specific sphingolipid species in pulmonal diseases will be discussed. Only such an understanding opens up the possibility of developing new therapeutic strategies with the aim of correcting the imbalance in sphingolipid metabolism and signaling. Such delivery strategies have already been studied in animal models of these lung diseases, demonstrating that targeting the sphingolipid profile represents new therapeutic opportunities for lung disorders.
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Affiliation(s)
- Burkhard Kleuser
- Institute of Pharmacy, Pharmacology and Toxicology, Freie Universität Berlin, Berlin, Germany.
| | - Fabian Schumacher
- Institute of Pharmacy, Pharmacology and Toxicology, Freie Universität Berlin, Berlin, Germany
| | - Erich Gulbins
- Institute of Molecular Biology, University Hospital Essen, University of Duisburg-Essen, Essen, Germany.
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13
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Bernacchioni C, Rossi M, Vannuzzi V, Prisinzano M, Seidita I, Raeispour M, Muccilli A, Castiglione F, Bruni P, Petraglia F, Donati C. Sphingosine-1-phosphate receptor 3 is a non-hormonal target to counteract endometriosis-associated fibrosis. Fertil Steril 2023:S0015-0282(23)02074-5. [PMID: 38072366 DOI: 10.1016/j.fertnstert.2023.12.007] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2023] [Revised: 12/05/2023] [Accepted: 12/05/2023] [Indexed: 12/31/2023]
Abstract
OBJECTIVE To study the molecular mechanisms responsible for fibrosis in endometriosis by investigating whether the protein expression levels of sphingosine-1-phosphate receptor 3 (S1PR3), one of the five specific receptors of the bioactive sphingolipid sphingosine-1-phosphate (S1P), correlate with fibrosis extent in endometriotic lesions and which are the cellular mechanisms involved in this process. DESIGN Case-control laboratory study and cultured endometriotic cells. SETTING University research institute and university hospital. PATIENT(S) A total of 33 women, with and without endometriosis, were included in the study. INTERVENTIONS(S) Endometriotic lesions were obtained from women with endometriosis (ovarian endometrioma, n = 8; deep infiltrating endometriosis, n = 15; [urological n = 5, gastrointestinal n = 6, and posterior n = 4]) and control endometrium from healthy women, n = 10, by means of laparoscopic and hysteroscopic surgery. The expression of S1PR3 was evaluated using immunohistochemistry and the extent of fibrosis was assessed using Masson's trichrome staining. Human-cultured epithelial endometriotic 12Z cells were used to evaluate the mechanisms involved in the profibrotic effect of S1PR3 activation. MAIN OUTCOME MEASURE(S) The expression of S1PR3 in endometriotic lesions is positively correlated with endometriosis-associated fibrosis. In addition, S1P induced epithelial-mesenchymal transition (EMT) and fibrosis in epithelial endometriotic cells. Using RNA interference and pharmacological approaches, the profibrotic effect of S1P was shown to rely on S1PR3, thus unveiling the molecular mechanism implicated in the profibrotic action of the bioactive sphingolipid. RESULT(S) The protein expression levels of S1PR3 were significantly augmented in the glandular sections of endometrioma and deep infiltrating endometriosis of different localizations with respect to the control endometrium and positively correlated with the extent of fibrosis. Sphingosine-1-phosphate was shown to have a crucial role in the onset of fibrosis in epithelial endometriotic cells, stimulating the expression of EMT and fibrotic markers. Genetic approaches have highlighted that S1PR3 mediates the fibrotic effect of S1P. Downstream of S1PR3, ezrin and extracellular-signal-regulated kinases 1 and 2 signaling were found to be critically implicated in the EMT and fibrosis elicited by S1P. CONCLUSION(S) Sphingosine-1-phosphate receptor 3 may represent a possible innovative pharmacological target for endometriosis.
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Affiliation(s)
- Caterina Bernacchioni
- Department of Experimental and Clinical Biomedical Sciences "Mario Serio," University of Florence, Florence, Italy.
| | - Margherita Rossi
- Department of Experimental and Clinical Biomedical Sciences "Mario Serio," University of Florence, Florence, Italy
| | | | - Matteo Prisinzano
- Department of Experimental and Clinical Biomedical Sciences "Mario Serio," University of Florence, Florence, Italy
| | - Isabelle Seidita
- Department of Experimental and Clinical Biomedical Sciences "Mario Serio," University of Florence, Florence, Italy
| | - Maryam Raeispour
- Department of Experimental and Clinical Biomedical Sciences "Mario Serio," University of Florence, Florence, Italy
| | - Angela Muccilli
- Histopathology and Molecular Diagnostics, Careggi University Hospital, Florence, Italy
| | - Francesca Castiglione
- Histopathology and Molecular Diagnostics, Careggi University Hospital, Florence, Italy
| | - Paola Bruni
- Department of Experimental and Clinical Biomedical Sciences "Mario Serio," University of Florence, Florence, Italy
| | - Felice Petraglia
- Department of Experimental and Clinical Biomedical Sciences "Mario Serio," University of Florence, Florence, Italy; Obstetrics and Gynecology, Careggi University Hospital, Florence, Italy
| | - Chiara Donati
- Department of Experimental and Clinical Biomedical Sciences "Mario Serio," University of Florence, Florence, Italy
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14
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Szepanowski F, Stettner M. Focus on LPA signaling: a promising therapeutic target to foster regeneration in immune-mediated neuropathies. Neural Regen Res 2023; 18:2651-2652. [PMID: 37449606 DOI: 10.4103/1673-5374.373709] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/18/2023] Open
Affiliation(s)
- Fabian Szepanowski
- Department of Neurology and Center for Translational and Behavioral Neurosciences (C-TNBS), University Medicine Essen, University Duisburg Essen, Essen, Germany
| | - Mark Stettner
- Department of Neurology and Center for Translational and Behavioral Neurosciences (C-TNBS), University Medicine Essen, University Duisburg Essen, Essen, Germany
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15
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Liu N, Deng X, Wang J, Dong S. Effect of lysophospholipids on the growth performance, nutrient digestibility, lipid metabolism and meat quality of fattening rabbits. Arch Anim Nutr 2023; 77:487-496. [PMID: 38083842 DOI: 10.1080/1745039x.2023.2289741] [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: 02/14/2023] [Accepted: 11/27/2023] [Indexed: 01/26/2024]
Abstract
The present study aimed to investigate the effect of emulsifier lysophospholipids (LP), enzymatically modified from soy phospholipids, on the growth performance, nutrient digestibility, lipid metabolism and meat quality of fattening rabbits. The LP was added in control (CON), LP1, LP2 and LP3 at 0, 200, 400 and 600 mg/kg, respectively. A total of 240 rabbits at approximately 52 d of age were divided into 4 groups with 6 replicates of 10 rabbits each. The feeding trial lasted for 42 d. Results showed that compared to CON, LP1, LP2 and LP3 increased (p < 0.05) body weight gain, feed efficiency, the apparent faecal digestibility of gross energy, crude protein and ether extract, the percentages of dissectible fat and ether extract in the longissimus and legs, the serum contents of apolipoprotein B, free fatty acid and total phospholipids in the longissimus, but decreased (p < 0.05) serum total triglyceride and total cholesterol. Meanwhile, LP1, LP2 and LP3 had higher (p < 0.05) carcass weight, longissimus weight and percentages of foreleg and hindleg than the CON; and the three LP diets also increased (p < 0.05) the tenderness, lightness and redness of longissimus. It is concluded that soy LP as an emulsifier can improve the growth, digestibility and meat quality of fattening rabbits.
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Affiliation(s)
- Ning Liu
- Department of Animal Science, Henan University of Science and Technology, Luoyang, China
- Department of Research and Development, National Engineering Research Centre of Biological Feed, Beijing, China
| | - Xuejuan Deng
- Department of Research and Development, National Engineering Research Centre of Biological Feed, Beijing, China
| | - Jianping Wang
- Department of Animal Science, Henan University of Science and Technology, Luoyang, China
- Department of Animal Production, Luoyang Xintai Agro-pastoral Technology Co, Luoyang, China
| | - Shuli Dong
- Department of Animal Science, Henan University of Science and Technology, Luoyang, China
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16
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Toyohara T, Yoshida M, Miyabe K, Hayashi K, Naitoh I, Kondo H, Hori Y, Kato A, Kachi K, Asano G, Sahashi H, Adachi A, Kuno K, Kito Y, Matsuo Y, Kataoka H. Dual role of autotaxin as novel biomarker and therapeutic target in pancreatic neuroendocrine neoplasms. Cancer Sci 2023; 114:4571-4582. [PMID: 37770812 PMCID: PMC10728022 DOI: 10.1111/cas.15980] [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: 06/15/2023] [Revised: 09/12/2023] [Accepted: 09/15/2023] [Indexed: 09/30/2023] Open
Abstract
Pancreatic neuroendocrine neoplasms (panNENs) are rare pancreatic neoplasms, and descriptions of treatment remain limited. Autotaxin (ATX) is a secreted autocrine motility factor involved in the production of lysophosphatidic acid (LPA), a lipid mediator that promotes the progression of various cancers. The aim of this study was to clarify the importance of the ATX-LPA axis in panNENs and to confirm its contribution to panNEN progression using clinical data, cell lines, and a mouse model. Serum ATX level was higher in patients with panNEN than in patients with other pancreatic diseases (chronic pancreatitis, pancreatic ductal adenocarcinoma [PDAC], intraductal papillary mucinous neoplasm, autoimmune pancreatitis) and healthy controls, and 61% of clinical specimens stained strongly for ATX. In a case we encountered, serum ATX level fluctuated with disease progression. An in vitro study showed higher ATX mRNA expression in panNEN cell lines than in PDAC cell lines. Cell proliferation and migration in panNEN cell lines were stimulated via the ATX-LPA axis and suppressed by RNA interference or inhibitors. An in vivo study showed that intraperitoneal injection of GLPG1690, an ATX inhibitor, suppressed tumor progression in a xenograft model. These findings revealed that ATX expression is significantly elevated in panNEN and is related to the progression of panNEN. We showed the potential of ATX as a novel biomarker and therapeutic target.
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Affiliation(s)
- Tadashi Toyohara
- Department of Gastroenterology and MetabolismNagoya City University Graduate School of Medical SciencesNagoyaJapan
| | - Michihiro Yoshida
- Department of Gastroenterology and MetabolismNagoya City University Graduate School of Medical SciencesNagoyaJapan
| | - Katsuyuki Miyabe
- Department of GastroenterologyJapanese Red Cross Aichi Medical Center Nagoya Daini HospitalNagoyaJapan
| | - Kazuki Hayashi
- Department of Gastroenterology and MetabolismNagoya City University Graduate School of Medical SciencesNagoyaJapan
| | - Itaru Naitoh
- Department of Gastroenterology and MetabolismNagoya City University Graduate School of Medical SciencesNagoyaJapan
| | - Hiromu Kondo
- Department of Gastroenterology and MetabolismNagoya City University Graduate School of Medical SciencesNagoyaJapan
| | - Yasuki Hori
- Department of Gastroenterology and MetabolismNagoya City University Graduate School of Medical SciencesNagoyaJapan
| | - Akihisa Kato
- Department of Gastroenterology and MetabolismNagoya City University Graduate School of Medical SciencesNagoyaJapan
| | - Kenta Kachi
- Department of Gastroenterology and MetabolismNagoya City University Graduate School of Medical SciencesNagoyaJapan
| | - Go Asano
- Department of Gastroenterology and MetabolismNagoya City University Graduate School of Medical SciencesNagoyaJapan
| | - Hidenori Sahashi
- Department of Gastroenterology and MetabolismNagoya City University Graduate School of Medical SciencesNagoyaJapan
| | - Akihisa Adachi
- Department of Gastroenterology and MetabolismNagoya City University Graduate School of Medical SciencesNagoyaJapan
| | - Kayoko Kuno
- Department of Gastroenterology and MetabolismNagoya City University Graduate School of Medical SciencesNagoyaJapan
| | - Yusuke Kito
- Department of Gastroenterology and MetabolismNagoya City University Graduate School of Medical SciencesNagoyaJapan
| | - Yoichi Matsuo
- Department of Gastroenterological SurgeryNagoya City University Graduate School of Medical SciencesNagoyaJapan
| | - Hiromi Kataoka
- Department of Gastroenterology and MetabolismNagoya City University Graduate School of Medical SciencesNagoyaJapan
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17
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Koike S, Keino-Masu K, Tanimoto Y, Takahashi S, Masu M. The autotaxin-LPA axis promotes membrane trafficking and secretion in yolk sac visceral endoderm cells. Biol Open 2023; 12:bio060081. [PMID: 37795611 PMCID: PMC10629499 DOI: 10.1242/bio.060081] [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: 07/18/2023] [Accepted: 09/28/2023] [Indexed: 10/06/2023] Open
Abstract
Autotaxin, encoded by the Enpp2 gene, is an exoenzyme that produces lysophosphatidic acid, thereby regulating many biologic functions. We previously reported that Enpp2 mRNA was abundantly expressed in yolk sac visceral endoderm (VE) cells and that Enpp2-/- mice were lethal at embryonic day 9.5 owing to angiogenic defects in the yolk sac. Enpp2-/- mice showed lysosome fragmentation in VE cells and embryonic abnormalities including allantois malformation, neural tube defects, no axial turning, and head cavity formation. However, whether the defects in endocytic vesicle formation affect membrane trafficking in VE cells remained to be directly examined. In this study, we found that pinocytosis, transcytosis, and secretion of angiogenic factors such as vascular endothelial growth factor and transforming growth factor β1 were impaired in Enpp2-/- VE cells. Moreover, pharmacologic inhibition of membrane trafficking phenocopied the defects of Enpp2-/- mice. These findings demonstrate that Enpp2 promotes endocytosis and secretion of angiogenic factors in VE cells, thereby regulating angiogenesis/vasculogenesis and embryonic development.
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Affiliation(s)
- Seiichi Koike
- Graduate School of Comprehensive Human Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8575, Japan
- Department of Molecular Neurobiology, Institute of Medicine, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8575, Japan
- Laboratory of Organelle Synthetic Biology, Graduate School of Science and Engineering for Research, University of Toyama, 3190 Gofuku, Toyama-shi, Toyama 930-855, Japan
| | - Kazuko Keino-Masu
- Graduate School of Comprehensive Human Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8575, Japan
- Department of Molecular Neurobiology, Institute of Medicine, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8575, Japan
| | - Yoko Tanimoto
- Laboratory Animal Resource Center and Transborder Medical Research Center, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8575, Japan
| | - Satoru Takahashi
- Laboratory Animal Resource Center and Transborder Medical Research Center, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8575, Japan
| | - Masayuki Masu
- Graduate School of Comprehensive Human Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8575, Japan
- Department of Molecular Neurobiology, Institute of Medicine, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8575, Japan
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18
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Wang Y, Luo Z, Morelli X, Xu P, Jiang L, Shi X, Huang M. Crystal structures of human serum albumin in complex with lysophosphatidylcholine. Biophys J 2023; 122:4135-4143. [PMID: 37731243 PMCID: PMC10645546 DOI: 10.1016/j.bpj.2023.09.007] [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: 07/07/2023] [Revised: 09/04/2023] [Accepted: 09/14/2023] [Indexed: 09/22/2023] Open
Abstract
Lysophospholipids (lysoPLs) are crucial metabolites involved in various physiological and pathological cellular processes. Understanding their binding interactions, particularly with human serum albumin (HSA), is essential due to their role in regulating lysoPLs-induced cytotoxicity. However, the precise mechanism of lysoPLs binding to HSA remains elusive. In this study, we employed fluorescence quenching and optical interferometry assays to demonstrate direct binding between lysophosphatidylcholine (LPC) and HSA (KD = 25 μM). Furthermore, we determined crystal structures of HSA in complex with LPC, both in the absence and the presence of the endogenous fatty acid myristate (14:0). The crystal structure of binary HSA:LPC revealed that six LPC molecules are bound to HSA at the primary fatty acid binding sites. Interestingly, the ternary HSA:Myr:LPC structure demonstrated the continued binding of three LPC molecules to HSA at binding sites 1, 3, and 5 in the presence of myristate. These findings support HSA's role as a carrier protein for lysoPLs in blood plasma and provide valuable insights into the structural basis of their binding mechanisms.
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Affiliation(s)
- Yu Wang
- College of Chemistry, Fuzhou University, Fuzhou, China; Key Laboratory of Pathogenic Fungi and Mycotoxins of Fujian Province, School of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou, China
| | | | - Xavier Morelli
- CRCM, CNRS, INSERM, Institut Paoli-Calmettes, University Aix-Marseill1715e, Marseille, France
| | - Peng Xu
- College of Biological Science and Engineering, Fuzhou University, Fuzhou, China
| | | | - Xiaoli Shi
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian, China.
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19
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Tsukahara T, Imamura S, Morohoshi T. A Review of Cyclic Phosphatidic Acid and Other Potential Therapeutic Targets for Treating Osteoarthritis. Biomedicines 2023; 11:2790. [PMID: 37893163 PMCID: PMC10603845 DOI: 10.3390/biomedicines11102790] [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: 09/19/2023] [Revised: 10/09/2023] [Accepted: 10/12/2023] [Indexed: 10/29/2023] Open
Abstract
Osteoarthritis (OA), a chronic degenerative joint disease, is the most common form of arthritis. OA occurs when the protective cartilage that cushions the ends of bones gradually breaks down. This leads to the rubbing of bones against each other, resulting in pain and stiffness. Cyclic phosphatidic acid (cPA) shows promise as a treatment for OA. In this article, we review the most recent findings regarding the biological functions of cPA signaling in mammalian systems, specifically in relation to OA. cPA is a naturally occurring phospholipid mediator with unique cyclic phosphate rings at the sn-2 and sn-3 positions in the glycerol backbone. cPA promotes various responses, including cell proliferation, migration, and survival. cPA possesses physiological activities that are distinct from those elicited by lysophosphatidic acid; however, its biochemical origin has rarely been studied. Although there is currently no cure for OA, advances in medical research may lead to new therapies or strategies in the future, and cPA has potential therapeutic applications.
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Affiliation(s)
- Tamotsu Tsukahara
- Department of Pharmacology and Therapeutic Innovation, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki 852-8521, Japan
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20
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Smith KR, Wang W, Miller MR, Boucher M, Reynold JE, Daurio NA, Li D, Hirenallur-Shanthappa D, Ahn Y, Beebe DA, Kelly KL, Ross TT, Bence KK, Wan M. GPAT1 Deficiency in Mice Modulates NASH Progression in a Model-Dependent Manner. Cell Mol Gastroenterol Hepatol 2023; 17:279-291. [PMID: 37844795 PMCID: PMC10829521 DOI: 10.1016/j.jcmgh.2023.10.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Revised: 10/11/2023] [Accepted: 10/11/2023] [Indexed: 10/18/2023]
Abstract
BACKGROUND & AIMS Nonalcoholic fatty liver disease (NAFLD), and its more severe form, nonalcoholic steatohepatitis (NASH), is the leading cause for liver failure and liver cancer. Although the etiology is likely multifactorial, genes involved in regulating lipid metabolism are enriched in human NAFLD genome-wide association studies (GWAS), pointing to dysregulated lipid metabolism as a major pathogenic factor. Glycerol-3-phosphate acyltransferase 1 (GPAT1), encoded by GPAM, converts acyl-CoAs and glycerol-3-phosphate into lysophosphatidic acid and has been shown to regulate lipid accumulation in the liver. However, its role in mediating the progression from NAFLD to NASH has not been explored. METHODS GPAT1-deficient mice were generated and challenged with diets inducing hepatic steatosis and NASH. Effects of GPAT1 deficiency on lipid and systemic metabolic end points were evaluated. RESULTS Ablating GPAT1 globally or specifically in mouse hepatocytes reduced hepatic steatosis in the context of diet-induced or genetic obesity. Interestingly, blunting of progression from NAFLD to NASH in global GPAT1 knockout (KO) mice was model dependent. GPAT1 KO mice were protected from choline deficient, amino acid defined high-fat diet-induced NASH development, but not from the high fat, high carbohydrate, and high cholesterol diet-induced NASH. CONCLUSIONS Our preclinical data support the notion that lipid metabolism pathways regulated by GPAT1 in hepatocytes play an essential role in NASH progression, albeit in a model-dependent manner.
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Affiliation(s)
- Kathleen R Smith
- WRDM Internal Medicine Research Unit, Pfizer Inc, Cambridge, Massachusetts
| | - Wenshan Wang
- WRDM Internal Medicine Research Unit, Pfizer Inc, Cambridge, Massachusetts
| | - Melissa R Miller
- WRDM Internal Medicine Research Unit, Pfizer Inc, Cambridge, Massachusetts
| | - Magalie Boucher
- WRDM Drug Safety, Research and Development, Pfizer Inc, Groton, Connecticut
| | - Jessica E Reynold
- WRDM Internal Medicine Research Unit, Pfizer Inc, Cambridge, Massachusetts
| | - Natalie A Daurio
- WRDM Internal Medicine Research Unit, Pfizer Inc, Cambridge, Massachusetts
| | - Dongmei Li
- WRDM Internal Medicine Research Unit, Pfizer Inc, Cambridge, Massachusetts
| | | | - Youngwook Ahn
- WRDM Target Sciences, Pfizer Inc, Cambridge, Massachusetts
| | - David A Beebe
- WRDM Internal Medicine Research Unit, Pfizer Inc, Cambridge, Massachusetts
| | - Kenneth L Kelly
- WRDM Internal Medicine Research Unit, Pfizer Inc, Cambridge, Massachusetts
| | - Trenton T Ross
- WRDM Internal Medicine Research Unit, Pfizer Inc, Cambridge, Massachusetts
| | - Kendra K Bence
- WRDM Internal Medicine Research Unit, Pfizer Inc, Cambridge, Massachusetts
| | - Min Wan
- WRDM Internal Medicine Research Unit, Pfizer Inc, Cambridge, Massachusetts.
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21
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Davoudian K, Bhattacharya S, Thompson D, Thompson M. Coupled Electrostatic and Hydrophobic Destabilisation of the Gelsolin-Actin Complex Enables Facile Detection of Ovarian Cancer Biomarker Lysophosphatidic Acid. Biomolecules 2023; 13:1426. [PMID: 37759826 PMCID: PMC10527313 DOI: 10.3390/biom13091426] [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: 08/01/2023] [Revised: 09/12/2023] [Accepted: 09/15/2023] [Indexed: 09/29/2023] Open
Abstract
Lysophosphatidic acid (LPA) is a promising biomarker candidate to screen for ovarian cancer (OC) and potentially stratify and treat patients according to disease stage. LPA is known to target the actin-binding protein gelsolin which is a key regulator of actin filament assembly. Previous studies have shown that the phosphate headgroup of LPA alone is inadequate to bind to the short chain of amino acids in gelsolin known as the PIP2-binding domain. Thus, the molecular-level detail of the mechanism of LPA binding is poorly understood. Here, we model LPA binding to the PIP2-binding domain of gelsolin in the gelsolin-actin complex through extensive ten-microsecond atomistic molecular dynamics (MD) simulations. We predict that LPA binding causes a local conformational rearrangement due to LPA interactions with both gelsolin and actin residues. These conformational changes are a result of the amphipathic nature of LPA, where the anionic phosphate, polar glycerol and ester groups, and lipophilic aliphatic tail mediate LPA binding via charged electrostatic, hydrogen bonding, and van der Waals interactions. The negatively-charged LPA headgroup binds to the PIP2-binding domain of gelsolin-actin while its hydrophobic tail is inserted into actin, creating a strong LPA-insertion pocket that weakens the gelsolin-actin interface. The computed structure, dynamics, and energetics of the ternary gelsolin-LPA-actin complex confirms that a quantitative OC assay is possible based on LPA-triggered actin release from the gelsolin-actin complex.
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Affiliation(s)
- Katharina Davoudian
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, ON M5S 3H6, Canada;
| | - Shayon Bhattacharya
- SSPC—The Science Foundation Ireland Research Centre for Pharmaceuticals, V94 T9PX Limerick, Ireland;
- Department of Physics, Bernal Institute, University of Limerick, V94 T9PX Limerick, Ireland
| | - Damien Thompson
- SSPC—The Science Foundation Ireland Research Centre for Pharmaceuticals, V94 T9PX Limerick, Ireland;
- Department of Physics, Bernal Institute, University of Limerick, V94 T9PX Limerick, Ireland
| | - Michael Thompson
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, ON M5S 3H6, Canada;
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22
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Torres RM, Turner JA, D’Antonio M, Pelanda R, Kremer KN. Regulation of CD8 T-cell signaling, metabolism, and cytotoxic activity by extracellular lysophosphatidic acid. Immunol Rev 2023; 317:203-222. [PMID: 37096808 PMCID: PMC10523933 DOI: 10.1111/imr.13208] [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: 02/26/2023] [Revised: 04/07/2023] [Accepted: 04/08/2023] [Indexed: 04/26/2023]
Abstract
Lysophosphatidic acid (LPA) is an endogenous bioactive lipid that is produced extracellularly and signals to cells via cognate LPA receptors, which are G-protein coupled receptors (GPCRs). Mature lymphocytes in mice and humans express three LPA receptors, LPA2 , LPA5, and LPA6 , and work from our group has determined that LPA5 signaling by T lymphocytes inhibits specific antigen-receptor signaling pathways that ultimately impair lymphocyte activation, proliferation, and function. In this review, we discuss previous and ongoing work characterizing the ability of an LPA-LPA5 axis to serve as a peripheral immunological tolerance mechanism that restrains adaptive immunity but is subverted during settings of chronic inflammation. Specifically, LPA-LPA5 signaling is found to regulate effector cytotoxic CD8 T cells by (at least) two mechanisms: (i) regulating the actin-microtubule cytoskeleton in a manner that impairs immunological synapse formation between an effector CD8 T cell and antigen-specific target cell, thus directly impairing cytotoxic activity, and (ii) shifting T-cell metabolism to depend on fatty-acid oxidation for mitochondrial respiration and reducing metabolic efficiency. The in vivo outcome of LPA5 inhibitory activity impairs CD8 T-cell killing and tumor immunity in mouse models providing impetus to consider LPA5 antagonism for the treatment of malignancies and chronic infections.
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Affiliation(s)
- Raul M. Torres
- Department of Immunology & Microbiology, University of Colorado School of Medicine, Aurora Colorado, 80045
| | - Jacqueline A. Turner
- Department of Immunology & Microbiology, University of Colorado School of Medicine, Aurora Colorado, 80045
| | - Marc D’Antonio
- Department of Immunology & Microbiology, University of Colorado School of Medicine, Aurora Colorado, 80045
| | - Roberta Pelanda
- Department of Immunology & Microbiology, University of Colorado School of Medicine, Aurora Colorado, 80045
| | - Kimberly N. Kremer
- Department of Immunology & Microbiology, University of Colorado School of Medicine, Aurora Colorado, 80045
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23
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Yaginuma S, Omi J, Uwamizu A, Aoki J. Emerging roles of lysophosphatidylserine as an immune modulator. Immunol Rev 2023; 317:20-29. [PMID: 37036835 DOI: 10.1111/imr.13204] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Revised: 03/07/2023] [Accepted: 03/18/2023] [Indexed: 04/11/2023]
Abstract
In addition to direct activation by pathogens and antigens, immune cell functions are further modulated by factors in their environment. Recent studies have revealed that lysophospholipids (LPL) derived from membrane glycerophospholipids are such environmental factors. They are produced by the action of various phospholipases and modulate immune responses positively or negatively via G-protein-coupled receptor-type receptors. These include lysophosphatidic acid, lysophosphatidylserine (LysoPS), and lysophosphatidylinositol. Here, we summarize what is known about the synthetic pathways, receptors, and immunomodulatory functions of these LPLs. Particular focus is given to LysoPS, which have recently been identified, and recent findings on their immunomodulatory actions are presented.
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Affiliation(s)
- Shun Yaginuma
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, Bunkyo-ku, Tokyo, Japan
| | - Jumpei Omi
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, Bunkyo-ku, Tokyo, Japan
| | - Akiharu Uwamizu
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, Bunkyo-ku, Tokyo, Japan
| | - Junken Aoki
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, Bunkyo-ku, Tokyo, Japan
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24
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Kiyozuka K, Zhao X, Konishi A, Minamishima YA, Obinata H. Apolipoprotein M supports S1P production and conservation and mediates prolonged Akt activation via S1PR1 and S1PR3. J Biochem 2023; 174:253-266. [PMID: 37098187 DOI: 10.1093/jb/mvad037] [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: 01/21/2023] [Revised: 04/11/2023] [Accepted: 04/19/2023] [Indexed: 04/27/2023] Open
Abstract
Sphingosine 1-phosphate (S1P) is one of the lipid mediators involved in diverse physiological functions. S1P circulates in blood and lymph bound to carrier proteins. Three S1P carrier proteins have been reported, albumin, apolipoprotein M (ApoM) and apolipoprotein A4 (ApoA4). The carrier-bound S1P exerts its functions via specific S1P receptors (S1PR1-5) on target cells. Previous studies showed several differences in physiological functions between albumin-bound S1P and ApoM-bound S1P. However, molecular mechanisms underlying the carrier-dependent differences have not been clarified. In addition, ApoA4 is a recently identified S1P carrier protein, and its functional differences from albumin and ApoM have not been addressed. Here, we compared the three carrier proteins in the processes of S1P degradation, release from S1P-producing cells and receptor activation. ApoM retained S1P more stable than albumin and ApoA4 in the cell culture medium when compared in the equimolar amounts. ApoM facilitated theS1P release from endothelial cells most efficiently. Furthermore, ApoM-bound S1P showed a tendency to induce prolonged activation of Akt via S1PR1 and S1PR3. These results suggest that the carrier-dependent functional differences of S1P are partly ascribed to the differences in the S1P stability, S1P-releasing efficiency and signaling duration.
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Key Words
- Apolipoprotein A4
- Apolipoprotein M
- LC–MS/MS
- Sphingosine 1-phosphate.Abbreviations: ApoA4, Apolipoprotein A4; ApoM, Apolipoprotein M; CHO, Chinese hamster ovary; ERK, Extracellular signal-regulated kinase; LC–MS/MS, Liquid chromatography–tandem mass spectrometry; LPP, Lipid phosphate phosphatase; Mfsd2b, Multiple facilitator superfamily domain containing 2B; PBS, Phosphate-buffered saline; S1P, Sphingosine 1-phosphate; S1PR1, Sphingosine 1-phosphate receptor 1; S1PR3, Sphingosine 1-phosphate receptor 3; SphK, Sphingosine kinase; Spns2, Spinster homolog 2; TBS-T, Tris-buffed saline containing 0.1% Tween20
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Affiliation(s)
- Keisuke Kiyozuka
- Department of Biochemistry, Gunma University Graduate School of Medicine, 3-39-22 Showa-machi, Maebashi, Gunma 371-8511, Japan
| | - Xian Zhao
- Department of Biochemistry, Gunma University Graduate School of Medicine, 3-39-22 Showa-machi, Maebashi, Gunma 371-8511, Japan
| | - Akimitsu Konishi
- Department of Biochemistry, Gunma University Graduate School of Medicine, 3-39-22 Showa-machi, Maebashi, Gunma 371-8511, Japan
| | - Yoji Andrew Minamishima
- Department of Biochemistry, Gunma University Graduate School of Medicine, 3-39-22 Showa-machi, Maebashi, Gunma 371-8511, Japan
| | - Hideru Obinata
- Education and Research Support Center, Gunma University Graduate School of Medicine, 3-39-22 Showa-machi, Maebashi, Gunma 371-8511, Japan
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25
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Zhang F, Lu Y. The Sphingosine 1-Phosphate Axis: an Emerging Therapeutic Opportunity for Endometriosis. Reprod Sci 2023; 30:2040-2059. [PMID: 36662421 PMCID: PMC9857924 DOI: 10.1007/s43032-023-01167-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Accepted: 01/04/2023] [Indexed: 01/21/2023]
Abstract
Endometriosis is a common condition in women of reproductive age, but its current interventions are unsatisfactory. Recent research discovered a dysregulation of the sphingosine 1-phosphate (S1P) signaling pathway in endometriosis and showed a positive outcome by targeting it. The S1P axis participates in a series of fundamental pathophysiological processes. This narrative review is trying to expound the reported and putative (due to limited reports in this area for now) interactions between the S1P axis and endometriosis in those pathophysiological processes, to provide some perspectives for future research. In short, S1P signaling pathway is highly activated in the endometriotic lesion. The S1P concentration has a surge in the endometriotic cyst fluid and the peritoneal fluid, with the downstream dysregulation of its receptors. The S1P axis plays an essential role in the migration and activation of the immune cells, fibrosis, angiogenesis, pain-related hyperalgesia, and innervation. S1P receptor (S1PR) modulators showed an impressive therapeutic effect by targeting the different S1P receptors in the endometriosis model, and many other conditions resemble endometriosis. And several of them already got approval for clinical application in many diseases, which means a drug repurposing direction and a rapid clinical translation for endometriosis treatments.
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Affiliation(s)
- Fengrui Zhang
- Department of Gynecology, The Obstetrics & Gynecology Hospital of Fudan University, 419 Fangxie Rd, Shanghai, 200011, People's Republic of China
| | - Yuan Lu
- Department of Gynecology, The Obstetrics & Gynecology Hospital of Fudan University, 419 Fangxie Rd, Shanghai, 200011, People's Republic of China.
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26
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Subramanian C, Yun MK, Frank MM, Rock CO. Lysophosphatidylglycerol (LPG) phospholipase D maintains membrane homeostasis in Staphylococcus aureus by converting LPG to lysophosphatidic acid. J Biol Chem 2023; 299:104863. [PMID: 37236358 PMCID: PMC10404611 DOI: 10.1016/j.jbc.2023.104863] [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: 04/14/2023] [Revised: 05/17/2023] [Accepted: 05/18/2023] [Indexed: 05/28/2023] Open
Abstract
Lysophospholipids are deacylated derivatives of their bilayer forming phospholipid counterparts that are present at low concentrations in cells. Phosphatidylglycerol (PG) is the principal membrane phospholipid in Staphylococcus aureus and lysophosphatidylglycerol (LPG) is detected in low abundance. Here, we used a mass spectrometry screen to identify locus SAUSA300_1020 as the gene responsible for maintaining low concentrations of 1-acyl-LPG in S. aureus. The SAUSA300_1020 gene encodes a protein with a predicted amino terminal transmembrane α-helix attached to a globular glycerophosphodiester phosphodiesterase (GDPD) domain. We determined that the purified protein lacking the hydrophobic helix (LpgDΔN) possesses cation-dependent lysophosphatidylglycerol phospholipase D activity that generates both lysophosphatidic acid (LPA) and cyclic-LPA products and hydrolyzes cyclic-LPA to LPA. Mn2+ was the highest affinity cation and stabilized LpgDΔN to thermal denaturation. LpgDΔN was not specific for the phospholipid headgroup and degraded 1-acyl-LPG, but not 2-acyl-LPG. Furthermore, a 2.1 Å crystal structure shows that LpgDΔN adopts the GDPD variation of the TIM barrel architecture except for the length and positioning of helix α6 and sheet β7. These alterations create a hydrophobic diffusion path for LPG to access the active site. The LpgD active site has the canonical GDPD metal binding and catalytic residues, and our biochemical characterization of site-directed mutants support a two-step mechanism involving a cyclic-LPA intermediate. Thus, the physiological function of LpgD in S. aureus is to convert LPG to LPA, which is re-cycled into the PG biosynthetic pathway at the LPA acyltransferase step to maintain membrane PG molecular species homeostasis.
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Affiliation(s)
- Chitra Subramanian
- Department of Infectious Diseases, St Jude Children's Research Hospital, Memphis, Tennessee, USA
| | - Mi-Kyung Yun
- Department of Infectious Diseases, St Jude Children's Research Hospital, Memphis, Tennessee, USA
| | - Matthew M Frank
- Department of Infectious Diseases, St Jude Children's Research Hospital, Memphis, Tennessee, USA
| | - Charles O Rock
- Department of Infectious Diseases, St Jude Children's Research Hospital, Memphis, Tennessee, USA.
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27
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Wang J, Liu S, Xie Y, Xu C. Association analysis of gut microbiota-metabolites-neuroendocrine changes in male rats acute exposure to simulated altitude of 5500 m. Sci Rep 2023; 13:9225. [PMID: 37286697 DOI: 10.1038/s41598-023-35573-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Accepted: 05/20/2023] [Indexed: 06/09/2023] Open
Abstract
Hyperactivation of hypothalamic-pituitary-adrenal (HPA) axis and hypothalamic-pituitary-thyroid (HPT) axis were found in acute high altitude challenge, but the role of gut microbiota and metabolites is unknown. We utilized adult male Sprague-Dawley rats at a simulated altitude of 5500 m for 3 days in a hypobaric-hypoxic chamber. ELISA and metabolomic analyses of serum and 16S rRNA and metabolomic analyses of fecal samples were then performed. Compared with the normoxic group, serum corticotropin-releasing hormone (CRH), adrenocorticotropic hormone (ACTH), corticosterone (CORT), and thyroxine (tT4) were increased in the hypoxia group, whereas thyrotropin-releasing hormone (TRH) was decreased. Bacteroides, Lactobacillus, Parabacteroides, Butyricimonas, SMB53, Akkermansia, Phascolarctobacterium, and Aerococcus were enriched in hypoxia group, whereas [Prevotella], Prevotella, Kaistobacter, Salinibacterium, and Vogesella were enriched in normoxic group. Metabolomic analysis indicated that acute hypoxia significantly affected fecal and serum lipid metabolism. In addition, we found five fecal metabolites may mediate the cross-talk between TRH, tT4, and CORT with [Prevotella], Kaistobacter, Parabacteroides, and Aerococcus, and 6 serum metabolites may mediate the effect of TRH and tT4 on [Prevotella] and Kaistobacter by causal mediation analysis. In conclusion, this study provides new evidence that key metabolites mediate the cross-talk between gut microbiota with HPA and HPT axis under acute hypobaric hypoxia challenge.
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Affiliation(s)
- Jianan Wang
- Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences, School of Basic Medicine, Peking Union Medical College, Beijing, 100005, China
| | - Shiying Liu
- Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences, School of Basic Medicine, Peking Union Medical College, Beijing, 100005, China
| | - Yalei Xie
- Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences, School of Basic Medicine, Peking Union Medical College, Beijing, 100005, China
| | - Chengli Xu
- Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences, School of Basic Medicine, Peking Union Medical College, Beijing, 100005, China.
- Center of Environmental and Health Sciences, Chinese Academy of Medical Sciences, Beijing, 100005, China.
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28
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Kitakaze K, Ali H, Kimoto R, Takenouchi Y, Ishimaru H, Yamashita A, Ueda N, Tanaka T, Okamoto Y, Tsuboi K. GDE7 produces cyclic phosphatidic acid in the ER lumen functioning as a lysophospholipid mediator. Commun Biol 2023; 6:524. [PMID: 37193762 PMCID: PMC10188492 DOI: 10.1038/s42003-023-04900-4] [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: 10/10/2022] [Accepted: 05/02/2023] [Indexed: 05/18/2023] Open
Abstract
Cyclic phosphatidic acid (cPA) is a lipid mediator, which regulates adipogenic differentiation and glucose homeostasis by suppressing nuclear peroxisome proliferator-activated receptor γ (PPARγ). Glycerophosphodiesterase 7 (GDE7) is a Ca2+-dependent lysophospholipase D that localizes in the endoplasmic reticulum. Although mouse GDE7 catalyzes cPA production in a cell-free system, it is unknown whether GDE7 generates cPA in living cells. Here, we demonstrate that human GDE7 possesses cPA-producing activity in living cells as well as in a cell-free system. Furthermore, the active site of human GDE7 is directed towards the luminal side of the endoplasmic reticulum. Mutagenesis revealed that amino acid residues F227 and Y238 are important for catalytic activity. GDE7 suppresses the PPARγ pathway in human mammary MCF-7 and mouse preadipocyte 3T3-L1 cells, suggesting that cPA functions as an intracellular lipid mediator. These findings lead to a better understanding of the biological role of GDE7 and its product, cPA.
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Affiliation(s)
- Keisuke Kitakaze
- Department of Pharmacology, Kawasaki Medical School, Kurashiki, Okayama, Japan.
| | - Hanif Ali
- Graduate School of Technology, Industrial and Social Sciences, Tokushima University, Tokushima, Japan
| | - Raiki Kimoto
- Department of Pharmacology, Kawasaki Medical School, Kurashiki, Okayama, Japan
- Nara Medical University, Kashihara, Nara, Japan
| | - Yasuhiro Takenouchi
- Department of Pharmacology, Kawasaki Medical School, Kurashiki, Okayama, Japan
| | - Hironobu Ishimaru
- Department of Pharmacology, Kawasaki Medical School, Kurashiki, Okayama, Japan
| | - Atsushi Yamashita
- Laboratory of Biological Chemistry, Faculty of Pharma-Science, Teikyo University, Tokyo, Japan
| | - Natsuo Ueda
- Department of Biochemistry, Kagawa University School of Medicine, Miki, Kagawa, Japan
| | - Tamotsu Tanaka
- Graduate School of Technology, Industrial and Social Sciences, Tokushima University, Tokushima, Japan
| | - Yasuo Okamoto
- Department of Pharmacology, Kawasaki Medical School, Kurashiki, Okayama, Japan
| | - Kazuhito Tsuboi
- Department of Pharmacology, Kawasaki Medical School, Kurashiki, Okayama, Japan.
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29
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Subramanian C, Frank MW, Yun MK, Rock CO. The Phospholipase A1 Activity of Glycerol Ester Hydrolase (Geh) Is Responsible for Extracellular 2-12( S)-Methyltetradecanoyl-Lysophosphatidylglycerol Production in Staphylococcus aureus. mSphere 2023; 8:e0003123. [PMID: 36976028 PMCID: PMC10117073 DOI: 10.1128/msphere.00031-23] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2023] [Accepted: 03/07/2023] [Indexed: 03/29/2023] Open
Abstract
Phosphatidylglycerol (PG) is the major membrane phospholipid of Staphylococcus aureus and predominately consists of molecular species with ≥16-carbon acyl chains in the 1-position and anteiso 12(S)-methyltetradecaonate (a15) esterified at the 2-position. The analysis of the growth media for PG-derived products shows S. aureus releases essentially pure 2-12(S)-methyltetradecanoyl-sn-glycero-3-phospho-1'-sn-glycerol (a15:0-LPG) derived from the hydrolysis of the 1-position of PG into the environment. The cellular lysophosphatidylglycerol (LPG) pool is dominated by a15-LPG but also consists of ≥16-LPG species arising from the removal of the 2-position. Mass tracing experiments confirmed a15-LPG was derived from isoleucine metabolism. A screen of candidate secreted lipase knockout strains pinpointed glycerol ester hydrolase (geh) as the gene required for generating extracellular a15-LPG, and complementation of a Δgeh strain with a Geh expression plasmid restored extracellular a15-LPG formation. Orlistat, a covalent inhibitor of Geh, also attenuated extracellular a15-LPG accumulation. Purified Geh hydrolyzed the 1-position acyl chain of PG and generated only a15-LPG from a S. aureus lipid mixture. The Geh product was 2-a15-LPG, which spontaneously isomerizes with time to a mixture of 1- and 2-a15-LPG. Docking PG in the Geh active site provides a structural rationale for the positional specificity of Geh. These data demonstrate a physiological role for Geh phospholipase A1 activity in S. aureus membrane phospholipid turnover. IMPORTANCE Glycerol ester hydrolase, Geh, is an abundant secreted lipase whose expression is controlled by the accessory gene regulator (Agr) quorum-sensing signal transduction pathway. Geh is thought to have a role in virulence based on its ability to hydrolyze host lipids at the infection site to provide fatty acids for membrane biogenesis and substrates for oleate hydratase, and Geh inhibits immune cell activation by hydrolyzing lipoprotein glycerol esters. The discovery that Geh is the major contributor to the formation and release of a15-LPG reveals an unappreciated physiological role for Geh acting as a phospholipase A1 in the degradation of S. aureus membrane phosphatidylglycerol. The role(s) for extracellular a15-LPG in S. aureus biology remain to be elucidated.
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Affiliation(s)
- Chitra Subramanian
- Department of Infectious Diseases, St. Jude Children’s Research Hospital, Memphis, Tennessee, USA
| | - Matthew W. Frank
- Department of Infectious Diseases, St. Jude Children’s Research Hospital, Memphis, Tennessee, USA
| | - My-Kyung Yun
- Department of Infectious Diseases, St. Jude Children’s Research Hospital, Memphis, Tennessee, USA
| | - Charles O. Rock
- Department of Infectious Diseases, St. Jude Children’s Research Hospital, Memphis, Tennessee, USA
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30
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Yaginuma S, Omi J, Kano K, Aoki J. Lysophospholipids and their producing enzymes: Their pathological roles and potential as pathological biomarkers. Pharmacol Ther 2023; 246:108415. [PMID: 37061204 DOI: 10.1016/j.pharmthera.2023.108415] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 04/10/2023] [Accepted: 04/11/2023] [Indexed: 04/17/2023]
Abstract
Accumulating evidence suggests that lysophospholipids (LPL) serve as lipid mediators that exert their diverse pathophysiological functions via G protein-coupled receptors. These include lysophosphatidic acid (LPA), sphingosine 1-phosphate (S1P), lysophosphatidylserine (LysoPS) and lysophosphatidylinositol (LPI). Unlike S1P, which is produced intracellularly and secreted from various cell types, some LPLs, such as LPA, LysoPS and LPI, are produced in lesions, especially under pathological conditions, where they positively or negatively regulate disease progression through their autacoid-like actions. Although these LPLs are minor components of the cell membrane, recent developments in mass spectrometry techniques have made it possible to detect and quantify them in a variety of biological fluids, including plasma, serum, urine and cerebrospinal fluid. The synthetic enzymes of LPA and LysoPS are also present in these biological fluids, which also can be detected by antibody-based methods. Importantly, their levels have been found to dramatically increase during various pathological conditions. Thus, LPLs and their synthetic enzymes in these biological fluids are potential biomarkers. This review discusses the potential of these LPLs and LPL-related molecules as pathological biomarkers, including methods and problems in their measurement.
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Affiliation(s)
- Shun Yaginuma
- Department of Health Chemistry, Graduate School of Pharmaceutical Sciences, The University of Tokyo, Japan
| | - Jumpei Omi
- Department of Health Chemistry, Graduate School of Pharmaceutical Sciences, The University of Tokyo, Japan
| | - Kuniyuki Kano
- Department of Health Chemistry, Graduate School of Pharmaceutical Sciences, The University of Tokyo, Japan
| | - Junken Aoki
- Department of Health Chemistry, Graduate School of Pharmaceutical Sciences, The University of Tokyo, Japan.
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31
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Harada S, Taketomi Y, Aiba T, Kawaguchi M, Hirabayashi T, Uranbileg B, Kurano M, Yatomi Y, Murakami M. The Lysophospholipase PNPLA7 Controls Hepatic Choline and Methionine Metabolism. Biomolecules 2023; 13:biom13030471. [PMID: 36979406 PMCID: PMC10046082 DOI: 10.3390/biom13030471] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Revised: 02/28/2023] [Accepted: 02/28/2023] [Indexed: 03/08/2023] Open
Abstract
The in vivo roles of lysophospholipase, which cleaves a fatty acyl ester of lysophospholipid, remained unclear. Recently, we have unraveled a previously unrecognized physiological role of the lysophospholipase PNPLA7, a member of the Ca2+-independent phospholipase A2 (iPLA2) family, as a key regulator of the production of glycerophosphocholine (GPC), a precursor of endogenous choline, whose methyl groups are preferentially fluxed into the methionine cycle in the liver. PNPLA7 deficiency in mice markedly decreases hepatic GPC, choline, and several metabolites related to choline/methionine metabolism, leading to various symptoms reminiscent of methionine shortage. Overall metabolic alterations in the liver of Pnpla7-null mice in vivo largely recapitulate those in methionine-deprived hepatocytes in vitro. Reduction of the methyl donor S-adenosylmethionine (SAM) after methionine deprivation decreases the methylation of the PNPLA7 gene promoter, relieves PNPLA7 expression, and thereby increases GPC and choline levels, likely as a compensatory adaptation. In line with the view that SAM prevents the development of liver cancer, the expression of PNPLA7, as well as several enzymes in the choline/methionine metabolism, is reduced in human hepatocellular carcinoma. These findings uncover an unexplored role of a lysophospholipase in hepatic phospholipid catabolism coupled with choline/methionine metabolism.
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Affiliation(s)
- Sayaka Harada
- Laboratory of Microenvironmental and Metabolic Health Sciences, Center for Disease Biology and Integrative Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo 113-8655, Japan
| | - Yoshitaka Taketomi
- Laboratory of Microenvironmental and Metabolic Health Sciences, Center for Disease Biology and Integrative Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo 113-8655, Japan
| | - Toshiki Aiba
- Department of Radiation Effects Research, National Institutes for Quantum and Radiological Science and Technology, Chiba 263-8555, Japan
| | - Mai Kawaguchi
- Laboratory of Microenvironmental and Metabolic Health Sciences, Center for Disease Biology and Integrative Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo 113-8655, Japan
- Laboratory of Biomembrane, Department of Basic Medical Sciences, Tokyo Metropolitan Institute of Medical Science, Tokyo 156-8506, Japan
| | - Tetsuya Hirabayashi
- Laboratory of Biomembrane, Department of Basic Medical Sciences, Tokyo Metropolitan Institute of Medical Science, Tokyo 156-8506, Japan
| | - Baasanjav Uranbileg
- Department of Clinical Laboratory Medicine, The University of Tokyo, Tokyo 113-8655, Japan
| | - Makoto Kurano
- Department of Clinical Laboratory Medicine, The University of Tokyo, Tokyo 113-8655, Japan
| | - Yutaka Yatomi
- Department of Clinical Laboratory Medicine, The University of Tokyo, Tokyo 113-8655, Japan
| | - Makoto Murakami
- Laboratory of Microenvironmental and Metabolic Health Sciences, Center for Disease Biology and Integrative Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo 113-8655, Japan
- Correspondence: ; Tel.: +81-3-5841-1431
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32
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Murakami M, Sun N, Li F, Feuchtinger A, Gomez-Sanchez C, Fassnacht M, Reincke M, Bancos I, Walch A, Kroiss M, Beuschlein F. In Situ Metabolomics of Cortisol-Producing Adenomas. Clin Chem 2023; 69:149-159. [PMID: 36544353 PMCID: PMC9898844 DOI: 10.1093/clinchem/hvac191] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2022] [Accepted: 10/11/2022] [Indexed: 12/24/2022]
Abstract
BACKGROUND Recent advances in omics techniques have allowed detailed genetic characterization of cortisol-producing adrenal adenoma (CPA). In contrast, the pathophysiology of CPAs has not been elucidated in detail on the level of tumor metabolic alterations. METHODS The current study conducted a comprehensive mass spectrometry imaging (MSI) map of CPAs in relation to clinical phenotypes and immunohistochemical profiles of steroidogenic enzymes. The study cohort comprised 46 patients with adrenal tumors including CPAs (n 35) and nonfunctional adenomas (n 11). RESULTS Severity of cortisol hypersecretion was significantly correlated with 29 metabolites (adjusted P 0.05). Adrenal androgens derived from the classic androgen pathway were inversely correlated with both cortisol secretion (rs 0.41, adjusted P 0.035) and CYP11B1 expression (rs 0.77, adjusted P 2.00E-08). The extent of cortisol excess and tumor CYP11B1 expression further correlated with serotonin (rs 0.48 and 0.62, adjusted P 0.008 and 2.41E-05). Tumor size was found to be correlated with abundance of 13 fatty acids (adjusted P 0.05) and negatively associated with 9 polyunsaturated fatty acids including phosphatidic acid 38:8 (rs 0.56, adjusted P 0.009). CONCLUSIONS MSI reveals novel metabolic links between endocrine function and tumorigenesis, which will further support the understanding of CPA pathophysiology.
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Affiliation(s)
- Masanori Murakami
- Medizinische Klinik und Poliklinik IV, Klinikum der Universität, Ludwig-Maximilians-Universität München, Munich, Germany,Department of Molecular Endocrinology and Metabolism, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan
| | - Na Sun
- Research Unit Analytical Pathology, Helmholtz Zentrum München, German Research Center for Environmental Health (GmbH), Neuherberg, Germany
| | - Fengxia Li
- Research Unit Analytical Pathology, Helmholtz Zentrum München, German Research Center for Environmental Health (GmbH), Neuherberg, Germany,Department of Neuro- and Sensory Physiology, University Medical Center Göttingen, Göttingen, Germany
| | - Annette Feuchtinger
- Research Unit Analytical Pathology, Helmholtz Zentrum München, German Research Center for Environmental Health (GmbH), Neuherberg, Germany
| | - Celso Gomez-Sanchez
- Division of Endocrinology, G.V. (Sonny) Montgomery VA Medical Center and the University of Mississippi Medical Center, Jackson, Mississippi, USA
| | - Martin Fassnacht
- Department of Internal Medicine I, Division of Endocrinology and Diabetology, University Hospital Würzburg, University of Würzburg, Würzburg, Germany
| | - Martin Reincke
- Medizinische Klinik und Poliklinik IV, Klinikum der Universität, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Irina Bancos
- Division of Endocrinology, Mayo Clinic, Rochester, Minnesota, USA
| | - Axel Walch
- Research Unit Analytical Pathology, Helmholtz Zentrum München, German Research Center for Environmental Health (GmbH), Neuherberg, Germany
| | - Matthias Kroiss
- Medizinische Klinik und Poliklinik IV, Klinikum der Universität, Ludwig-Maximilians-Universität München, Munich, Germany,Department of Internal Medicine I, Division of Endocrinology and Diabetology, University Hospital Würzburg, University of Würzburg, Würzburg, Germany,Comprehensive Cancer Center Mainfranken, University of Würzburg, Würzburg, Germany
| | - Felix Beuschlein
- Medizinische Klinik und Poliklinik IV, Klinikum der Universität, Ludwig-Maximilians-Universität München, Munich, Germany,Department of Endocrinology, Diabetology and Clinical Nutrition, University Hospital Zurich (USZ) and University of Zurich (UZH), Zurich, Switzerland
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Modulations of urinary lipid mediators in acute bladder cystitis. Prostaglandins Other Lipid Mediat 2023; 164:106690. [PMID: 36332874 DOI: 10.1016/j.prostaglandins.2022.106690] [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: 08/19/2022] [Revised: 10/25/2022] [Accepted: 10/31/2022] [Indexed: 11/05/2022]
Abstract
Bioactive lipids, such as lysophospholipids, ceramides, and eicosanoids and related mediators, have been demonstrated to be involved in inflammation. We aimed to investigate the possible orchestral modulations of these bioactive lipids in human inflammation. We simultaneously measured the urinary levels of lysophospholipids, ceramides, and eicosanoids and related mediators by a liquid chromatography-mass spectrometry method in patients with cystitis and control subjects. The urinary levels of lysophosphatidylcholine, lysophosphatidylethanolamine, sphingosine 1-phosphate, ceramides, prostaglandin (PG)E2 and its metabolites represented by tetranor-PGEM, several oxylipins, DHA, and lysoPAF were higher in patients with cystitis. Urinary levels of some species of glycerolysophospholipids were highly positively correlated with those of other species of the same glycerolysophospholipids. Cluster analyses revealed that lysophosphatidylcholine was close to a PGE2 metabolite, lysophosphatidylethanolamine was close to DHA, and sphingosine 1-phosphate and ceramides were close to lysoPAF. The orchestral dynamism of the lipid mediators was observed in the urine of cystitis, suggesting the necessity for simultaneous investigation of lipid mediators for translational research.
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Kurano M, Saito Y, Uranbileg B, Saigusa D, Kano K, Aoki J, Yatomi Y. Modulations of bioactive lipids and their receptors in postmortem Alzheimer's disease brains. Front Aging Neurosci 2022; 14:1066578. [PMID: 36570536 PMCID: PMC9780287 DOI: 10.3389/fnagi.2022.1066578] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Accepted: 11/28/2022] [Indexed: 12/14/2022] Open
Abstract
Background Analyses of brain samples from Alzheimer's disease (AD) patients may be expected to help us improve our understanding of the pathogenesis of AD. Bioactive lipids, including sphingolipids, glycerophospholipids, and eicosanoids/related mediators have been demonstrated to exert potent physiological actions and to be involved in the pathogenesis of various human diseases. In this cross-sectional study, we attempted to elucidate the associations of these bioactive lipids with the pathogenesis/pathology of AD through postmortem studies of human brains. Methods We measured the levels of glycerophospholipids, sphingolipids, and eicosanoids/related mediators in the brains of patients with AD (AD brains), patients with Cerad score B (Cerad-b brains), and control subjects (control brains), using a liquid chromatography-mass spectrometry method; we also measured the mRNA levels of specific receptors for these bioactive lipids in the same brain specimens. Results The levels of several species of sphingomyelins and ceramides were higher in the Cerad-b and AD brains. Levels of several species of lysophosphatidic acids (LPAs), lysophosphatidylcholine, lysophosphatidylserine, lysophosphatidylethanolamine (LPE), lysophosphatidylinositol, phosphatidylcholine, phosphatidylserine (PS), phosphatidylethanolamine (PE), phosphatidylinositol, and phosphatidylglycerol were especially high in the Cerad-b brains, while those of lysophosphatidylglycerol (LPG) were especially high in the AD brains. Several eicosanoids, including metabolites of prostaglandin E2, oxylipins, metabolites of epoxide, and metabolites of DHA and EPA, such as resolvins, were also modulated in the AD brains. Among the lipid mediators, the levels of S1P2, S1P5, LPA1, LPA2, LPA6, P2Y10, GPR174, EP1, DP1, DP2, IP, FP, and TXA2r were lower in the AD and/or Cerad-b brains. The brain levels of ceramides, LPC, LPI, PE, and PS showed strong positive correlations with the Aβ contents, while those of LPG showed rather strong positive correlations with the presence of senile plaques and neurofibrillary tangles. A discriminant analysis revealed that LPG is especially important for AD and the LPE/PE axis is important for Cerad-b. Conclusions Comprehensive lipidomics, together with the measurement of lipid receptor expression levels provided novel evidence for the associations of bioactive lipids with AD, which is expected to facilitate future translational research and reverse translational research.
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Affiliation(s)
- Makoto Kurano
- Department of Clinical Laboratory Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan,*Correspondence: Makoto Kurano,
| | - Yuko Saito
- Tokyo Metropolitan Geriatric Hospital, Institute of Gerontology, Tokyo, Japan
| | - Baasanjav Uranbileg
- Department of Clinical Laboratory Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Daisuke Saigusa
- Laboratory of Biomedical and Analytical Sciences, Faculty of Pharma-Science, Teikyo University, Tokyo, Japan
| | - Kuniyuki Kano
- Department of Health Chemistry, Graduate School of Pharmaceutical Sciences, The University of Tokyo, Tokyo, Japan
| | - Junken Aoki
- Department of Health Chemistry, Graduate School of Pharmaceutical Sciences, The University of Tokyo, Tokyo, Japan
| | - Yutaka Yatomi
- Department of Clinical Laboratory Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
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Engelbrecht E, Kooistra T, Knipe RS. The Vasculature in Pulmonary Fibrosis. CURRENT TISSUE MICROENVIRONMENT REPORTS 2022; 3:83-97. [PMID: 36712832 PMCID: PMC9881604 DOI: 10.1007/s43152-022-00040-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 05/23/2022] [Indexed: 02/02/2023]
Abstract
Purpose of Review The current paradigm of idiopathic pulmonary fibrosis (IPF) pathogenesis involves recurrent injury to a sensitive alveolar epithelium followed by impaired repair responses marked by fibroblast activation and deposition of extracellular matrix. Multiple cell types are involved in this response with potential roles suggested by advances in single-cell RNA sequencing and lung developmental biology. Notably, recent work has better characterized the cell types present in the pulmonary endothelium and identified vascular changes in patients with IPF. Recent Findings Lung tissue from patients with IPF has been examined at single-cell resolution, revealing reductions in lung capillary cells and expansion of a population of vascular cells expressing markers associated with bronchial endothelium. In addition, pre-clinical models have demonstrated a fundamental role for aging and vascular permeability in the development of pulmonary fibrosis. Summary Mounting evidence suggests that the endothelium undergoes changes in the context of fibrosis, and these changes may contribute to the development and/or progression of pulmonary fibrosis. Additional studies will be needed to further define the functional role of these vascular changes.
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Affiliation(s)
| | - Tristan Kooistra
- Division of Pulmonary and Critical Care Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA
| | - Rachel S. Knipe
- Division of Pulmonary and Critical Care Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA
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Spencer SA, Suárez-Pozos E, Verdugo JS, Wang H, Afshari FS, Li G, Manam S, Yasuda D, Ortega A, Lister JA, Ishii S, Zhang Y, Fuss B. Lysophosphatidic acid signaling via LPA 6 : A negative modulator of developmental oligodendrocyte maturation. J Neurochem 2022; 163:478-499. [PMID: 36153691 PMCID: PMC9772207 DOI: 10.1111/jnc.15696] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2022] [Revised: 09/20/2022] [Accepted: 09/21/2022] [Indexed: 01/14/2023]
Abstract
The developmental process of central nervous system (CNS) myelin sheath formation is characterized by well-coordinated cellular activities ultimately ensuring rapid and synchronized neural communication. During this process, myelinating CNS cells, namely oligodendrocytes (OLGs), undergo distinct steps of differentiation, whereby the progression of earlier maturation stages of OLGs represents a critical step toward the timely establishment of myelinated axonal circuits. Given the complexity of functional integration, it is not surprising that OLG maturation is controlled by a yet fully to be defined set of both negative and positive modulators. In this context, we provide here first evidence for a role of lysophosphatidic acid (LPA) signaling via the G protein-coupled receptor LPA6 as a negative modulatory regulator of myelination-associated gene expression in OLGs. More specifically, the cell surface accessibility of LPA6 was found to be restricted to the earlier maturation stages of differentiating OLGs, and OLG maturation was found to occur precociously in Lpar6 knockout mice. To further substantiate these findings, a novel small molecule ligand with selectivity for preferentially LPA6 and LPA6 agonist characteristics was functionally characterized in vitro in primary cultures of rat OLGs and in vivo in the developing zebrafish. Utilizing this approach, a negative modulatory role of LPA6 signaling in OLG maturation could be corroborated. During development, such a functional role of LPA6 signaling likely serves to ensure timely coordination of circuit formation and myelination. Under pathological conditions as seen in the major human demyelinating disease multiple sclerosis (MS), however, persistent LPA6 expression and signaling in OLGs can be seen as an inhibitor of myelin repair. Thus, it is of interest that LPA6 protein levels appear elevated in MS brain samples, thereby suggesting that LPA6 signaling may represent a potential new druggable pathway suitable to promote myelin repair in MS.
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Affiliation(s)
- Samantha A Spencer
- Department of Anatomy and Neurobiology, Virginia Commonwealth University School of Medicine, Richmond, Virginia, USA
| | - Edna Suárez-Pozos
- Department of Anatomy and Neurobiology, Virginia Commonwealth University School of Medicine, Richmond, Virginia, USA
| | - Jazmín Soto Verdugo
- Department of Anatomy and Neurobiology, Virginia Commonwealth University School of Medicine, Richmond, Virginia, USA
- Departamento de Toxicología, Centro de Investigación y de Estudios Avanzados del IPN, Ciudad de México, México
| | - Huiqun Wang
- Department of Medicinal Chemistry, Virginia Commonwealth University School of Pharmacy, Richmond, Virginia, USA
| | - Fatemah S Afshari
- Department of Anatomy and Neurobiology, Virginia Commonwealth University School of Medicine, Richmond, Virginia, USA
| | - Guo Li
- Department of Medicinal Chemistry, Virginia Commonwealth University School of Pharmacy, Richmond, Virginia, USA
| | - Susmita Manam
- Department of Anatomy and Neurobiology, Virginia Commonwealth University School of Medicine, Richmond, Virginia, USA
| | - Daisuke Yasuda
- Department of Immunology, Akita University Graduate School of Medicine, Akita, Japan
| | - Arturo Ortega
- Departamento de Toxicología, Centro de Investigación y de Estudios Avanzados del IPN, Ciudad de México, México
| | - James A Lister
- Department of Human and Molecular Genetics, Virginia Commonwealth University School of Medicine, Richmond, Virginia, USA
| | - Satoshi Ishii
- Department of Immunology, Akita University Graduate School of Medicine, Akita, Japan
| | - Yan Zhang
- Department of Medicinal Chemistry, Virginia Commonwealth University School of Pharmacy, Richmond, Virginia, USA
| | - Babette Fuss
- Department of Anatomy and Neurobiology, Virginia Commonwealth University School of Medicine, Richmond, Virginia, USA
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McCrimmon A, Corbin S, Shrestha B, Roman G, Dhungana S, Stadler K. Redox phospholipidomics analysis reveals specific oxidized phospholipids and regions in the diabetic mouse kidney. Redox Biol 2022; 58:102520. [PMID: 36334379 PMCID: PMC9640328 DOI: 10.1016/j.redox.2022.102520] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Revised: 10/18/2022] [Accepted: 10/22/2022] [Indexed: 11/08/2022] Open
Abstract
While it is generally accepted that oxidative stress impacts the diabetic kidney and contributes to pathogenesis, there is a substantial lack of knowledge about the molecular entity and anatomic location of a variety of reactive species. Here we provide a novel “oxidative stress map” of the diabetic kidney – the first of its kind, and identify specific, oxidized and other reactive lipids and their location. We used the db/db mouse model and Desorption Electrospray Ionization (DESI) mass spectrometry combined with heatmap image analysis. We analyzed a comprehensive array of phospholipid peroxide species in normal (db/m) and diabetic (db/db) kidneys using DESI imaging. Oxilipidomics heatmaps of the kidneys were generated focusing on phospholipids and their potential peroxidized products. We identified those lipids that undergo peroxidation in diabetic nephropathy. Several phospholipid peroxides and their spatial distribution were identified that were specific to the diabetic kidney, with significant enrichment in oxygenated phosphatidylethanolamines (PE) and lysophosphatidylethanolamine. Beyond qualitative and semi-quantitative information about the targets, the approach also reveals the anatomic location and the extent of lipid peroxide signal propagation across the kidney. Our approach provides novel, in-depth information of the location and molecular entity of reactive lipids in an organ with a very heterogeneous landscape. Many of these reactive lipids have been previously linked to programmed cell death mechanisms. Thus, the findings may be relevant to understand what impact phospholipid peroxidation has on cell and mitochondria membrane integrity and redox lipid signaling in diabetic nephropathy. Oxidative stress is one of the major players in the pathogenesis of diabetic nephropathy. Here, using an innovative mass spectrometry approach (DESI), we provide a novel oxilipidomics map of the diabetic kidney. Our analysis revealed enrichment of specific oxygenated phospholipid species at specific regions of the diabetic kidney. Our findings will likely further our understanding in how and where lipid peroxidation impacts the diabetic kidney.
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Zhang J, Xiao Y, Hu J, Liu S, Zhou Z, Xie L. Lipid metabolism in type 1 diabetes mellitus: Pathogenetic and therapeutic implications. Front Immunol 2022; 13:999108. [PMID: 36275658 PMCID: PMC9583919 DOI: 10.3389/fimmu.2022.999108] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Accepted: 09/20/2022] [Indexed: 11/13/2022] Open
Abstract
Type 1 diabetes mellitus (T1DM) is a chronic autoimmune disease with insulin deficiency due to pancreatic β cell destruction. Multiple independent cohort studies revealed specific lipid spectrum alterations prior to islet autoimmunity in T1DM. Except for serving as building blocks for membrane biogenesis, accumulative evidence suggests lipids and their derivatives can also modulate different biological processes in the progression of T1DM, such as inflammation responses, immune attacks, and β cell vulnerability. However, the types of lipids are huge and majority of them have been largely unexplored in T1DM. In this review, based on the lipid classification system, we summarize the clinical evidence on dyslipidemia related to T1DM and elucidate the potential mechanisms by which they participate in regulating inflammation responses, modulating lymphocyte function and influencing β cell susceptibility to apoptosis and dysfunction. This review systematically recapitulates the role and mechanisms of various lipids in T1DM, providing new therapeutic approaches for T1DM from a nutritional perspective.
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Li Q, Qiao W, Hao J, Wei S, Li X, Liu T, Qiu C, Hu W. Potentiation of ASIC currents by lysophosphatidic acid in rat dorsal root ganglion neurons. J Neurochem 2022; 163:327-337. [DOI: 10.1111/jnc.15690] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Revised: 08/08/2022] [Accepted: 08/11/2022] [Indexed: 11/29/2022]
Affiliation(s)
- Qing Li
- School of Basic Medical Sciences, Xianning Medical College, Hubei University of Science and Technology Xianning Hubei China
- School of Pharmacy, Xianning Medical College, Hubei University of Science and Technology Xianning Hubei China
| | - Wen‐Long Qiao
- School of Basic Medical Sciences, Xianning Medical College, Hubei University of Science and Technology Xianning Hubei China
- School of Pharmacy, Xianning Medical College, Hubei University of Science and Technology Xianning Hubei China
| | - Jia‐Wei Hao
- School of Basic Medical Sciences, Xianning Medical College, Hubei University of Science and Technology Xianning Hubei China
- School of Pharmacy, Xianning Medical College, Hubei University of Science and Technology Xianning Hubei China
| | - Shuang Wei
- School of Basic Medical Sciences, Xianning Medical College, Hubei University of Science and Technology Xianning Hubei China
- School of Pharmacy, Xianning Medical College, Hubei University of Science and Technology Xianning Hubei China
| | - Xue‐Mei Li
- School of Basic Medical Sciences, Xianning Medical College, Hubei University of Science and Technology Xianning Hubei China
| | - Ting‐Ting Liu
- School of Basic Medical Sciences, Xianning Medical College, Hubei University of Science and Technology Xianning Hubei China
| | - Chun‐Yu Qiu
- School of Basic Medical Sciences, Xianning Medical College, Hubei University of Science and Technology Xianning Hubei China
| | - Wang‐Ping Hu
- School of Basic Medical Sciences, Xianning Medical College, Hubei University of Science and Technology Xianning Hubei China
- Hubei College of Chinese Medicine Jingzhou Hubei China
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Takagi Y, Nishikado S, Omi J, Aoki J. The Many Roles of Lysophospholipid Mediators and Japanese Contributions to This Field. Biol Pharm Bull 2022; 45:1008-1021. [DOI: 10.1248/bpb.b22-00304] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Yugo Takagi
- Department of Health Chemistry, Graduate School of Pharmaceutical Sciences, The University of Tokyo
| | - Shun Nishikado
- Department of Health Chemistry, Graduate School of Pharmaceutical Sciences, The University of Tokyo
| | - Jumpei Omi
- Department of Health Chemistry, Graduate School of Pharmaceutical Sciences, The University of Tokyo
| | - Junken Aoki
- Department of Health Chemistry, Graduate School of Pharmaceutical Sciences, The University of Tokyo
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Taketomi Y, Murakami M. Regulatory Roles of Phospholipase A2 Enzymes and Bioactive Lipids in Mast Cell Biology. Front Immunol 2022; 13:923265. [PMID: 35833146 PMCID: PMC9271868 DOI: 10.3389/fimmu.2022.923265] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Accepted: 05/30/2022] [Indexed: 11/26/2022] Open
Abstract
Lipids play fundamental roles in life as an essential component of cell membranes, as a major source of energy, as a body surface barrier, and as signaling molecules that transmit intracellular and intercellular signals. Lipid mediators, a group of bioactive lipids that mediates intercellular signals, are produced via specific biosynthetic enzymes and transmit signals via specific receptors. Mast cells, a tissue-resident immune cell population, produce several lipid mediators that contribute to exacerbation or amelioration of allergic responses and also non-allergic inflammation, host defense, cancer and fibrosis by controlling the functions of microenvironmental cells as well as mast cell themselves in paracrine and autocrine fashions. Additionally, several bioactive lipids produced by stromal cells regulate the differentiation, maturation and activation of neighboring mast cells. Many of the bioactive lipids are stored in membrane phospholipids as precursor forms and released spatiotemporally by phospholipase A2 (PLA2) enzymes. Through a series of studies employing gene targeting and lipidomics, several enzymes belonging to the PLA2 superfamily have been demonstrated to participate in mast cell-related diseases by mobilizing unique bioactive lipids in multiple ways. In this review, we provide an overview of our current understanding of the regulatory roles of several PLA2-driven lipid pathways in mast cell biology.
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Karshovska E, Mohibullah R, Zhu M, Zahedi F, Thomas D, Magkrioti C, Geissler C, Megens RTA, Bianchini M, Nazari-Jahantigh M, Ferreirós N, Aidinis V, Schober A. ENPP2 (Endothelial Ectonucleotide Pyrophosphatase/Phosphodiesterase 2) Increases Atherosclerosis in Female and Male Mice. Arterioscler Thromb Vasc Biol 2022; 42:1023-1036. [PMID: 35708027 DOI: 10.1161/atvbaha.122.317682] [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: 11/16/2022]
Abstract
BACKGROUND Maladapted endothelial cells (ECs) secrete ENPP2 (ectonucleotide pyrophosphatase/phosphodiesterase 2; autotaxin)-a lysophospholipase D that generates lysophosphatidic acids (LPAs). ENPP2 derived from the arterial wall promotes atherogenic monocyte adhesion induced by generating LPAs, such as arachidonoyl-LPA (LPA20:4), from oxidized lipoproteins. Here, we aimed to determine the role of endothelial ENPP2 in the production of LPAs and atherosclerosis. METHODS We quantified atherosclerosis in mice harboring loxP-flanked Enpp2 alleles crossed with Apoe-/- mice expressing tamoxifen-inducible Cre recombinase under the control of the EC-specific bone marrow X kinase promoter after 12 weeks of high-fat diet feeding. RESULTS A tamoxifen-induced EC-specific Enpp2 knockout decreased atherosclerosis, accumulation of lesional macrophages, monocyte adhesion, and expression of endothelial CXCL (C-X-C motif chemokine ligand) 1 in male and female Apoe-/- mice. In vitro, ENPP2 mediated the mildly oxidized LDL (low-density lipoprotein)-induced expression of CXCL1 in aortic ECs by generating LPA20:4, palmitoyl-LPA (LPA16:0), and oleoyl-LPA (LPA18:1). ENPP2 and its activity were detected on the endothelial surface by confocal imaging. The expression of endothelial Enpp2 established a strong correlation between the plasma levels of LPA16:0, stearoyl-LPA (LPA18:0), and LPA18:1 and plaque size and a strong negative correlation between the LPA levels and ENPP2 activity in the plasma. Moreover, endothelial Enpp2 knockout increased the weight of high-fat diet-fed male Apoe-/- mice. CONCLUSIONS We demonstrated that the expression of ENPP2 in ECs promotes atherosclerosis and endothelial inflammation in a sex-independent manner. This might be due to the generation of LPA20:4, LPA16:0, and LPA18:1 from mildly oxidized lipoproteins on the endothelial surface.
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Affiliation(s)
- Ela Karshovska
- Institute for Cardiovascular Prevention, Ludwig-Maximilians-University, Munich, Germany (E.K., R.M., M.Z., F.Z., C.G., R.T.A.M., M.B., M.N.-J., A.S.)
| | - Rokia Mohibullah
- Institute for Cardiovascular Prevention, Ludwig-Maximilians-University, Munich, Germany (E.K., R.M., M.Z., F.Z., C.G., R.T.A.M., M.B., M.N.-J., A.S.)
| | - Mengyu Zhu
- Institute for Cardiovascular Prevention, Ludwig-Maximilians-University, Munich, Germany (E.K., R.M., M.Z., F.Z., C.G., R.T.A.M., M.B., M.N.-J., A.S.).,Cardiovascular Research Institute Maastricht, Maastricht University, the Netherlands (M.Z., R.T.A.M.)
| | - Farima Zahedi
- Institute for Cardiovascular Prevention, Ludwig-Maximilians-University, Munich, Germany (E.K., R.M., M.Z., F.Z., C.G., R.T.A.M., M.B., M.N.-J., A.S.).,Now with Department of Biomedical Science and Mari Lowe Center for Comparative Oncology, University of Pennsylvania, Philadelphia (F.Z.)
| | - Dominique Thomas
- Institute of Clinical Pharmacology, Johann Wolfgang Goethe-University, Frankfurt, Germany (D.T., N.F.).,Fraunhofer Institute for Translational Medicine and Pharmacology, Frankfurt, Germany (D.T.)
| | - Christiana Magkrioti
- Division of Immunology, Biomedical Science Research, Center Alexander Fleming, Athens, Greece (C.M., V.A.)
| | - Claudia Geissler
- Institute for Cardiovascular Prevention, Ludwig-Maximilians-University, Munich, Germany (E.K., R.M., M.Z., F.Z., C.G., R.T.A.M., M.B., M.N.-J., A.S.)
| | - Remco T A Megens
- Institute for Cardiovascular Prevention, Ludwig-Maximilians-University, Munich, Germany (E.K., R.M., M.Z., F.Z., C.G., R.T.A.M., M.B., M.N.-J., A.S.).,Cardiovascular Research Institute Maastricht, Maastricht University, the Netherlands (M.Z., R.T.A.M.)
| | - Mariaelvy Bianchini
- Institute for Cardiovascular Prevention, Ludwig-Maximilians-University, Munich, Germany (E.K., R.M., M.Z., F.Z., C.G., R.T.A.M., M.B., M.N.-J., A.S.)
| | - Maliheh Nazari-Jahantigh
- Institute for Cardiovascular Prevention, Ludwig-Maximilians-University, Munich, Germany (E.K., R.M., M.Z., F.Z., C.G., R.T.A.M., M.B., M.N.-J., A.S.).,German Centre for Cardiovascular Research, Partner Site Munich Heart Alliance, Germany (M.N.-J., A.S.)
| | - Nerea Ferreirós
- Institute of Clinical Pharmacology, Johann Wolfgang Goethe-University, Frankfurt, Germany (D.T., N.F.)
| | - Vassilis Aidinis
- Division of Immunology, Biomedical Science Research, Center Alexander Fleming, Athens, Greece (C.M., V.A.)
| | - Andreas Schober
- Institute for Cardiovascular Prevention, Ludwig-Maximilians-University, Munich, Germany (E.K., R.M., M.Z., F.Z., C.G., R.T.A.M., M.B., M.N.-J., A.S.).,German Centre for Cardiovascular Research, Partner Site Munich Heart Alliance, Germany (M.N.-J., A.S.)
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Meacci E, Pierucci F, Garcia-Gil M. Skeletal Muscle and COVID-19: The Potential Involvement of Bioactive Sphingolipids. Biomedicines 2022; 10:biomedicines10051068. [PMID: 35625805 PMCID: PMC9138286 DOI: 10.3390/biomedicines10051068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Revised: 04/25/2022] [Accepted: 04/27/2022] [Indexed: 01/08/2023] Open
Abstract
SARS-CoV-2 virus infection is the cause of the coronavirus disease 2019 (COVID-19), which is still spreading over the world. The manifestation of this disease can range from mild to severe and can be limited in time (weeks) or persist for months in about 30–50% of patients. COVID-19 is considered a multiple organ dysfunction syndrome and the musculoskeletal system manifestations are beginning to be considered of absolute importance in both COVID-19 patients and in patients recovering from the SARS-CoV-2 infection. Musculoskeletal manifestations of COVID-19 and other coronavirus infections include loss of muscle mass, muscle weakness, fatigue or myalgia, and muscle injury. The molecular mechanisms by which SARS-CoV-2 can cause damage to skeletal muscle (SkM) cells are not yet well understood. Sphingolipids (SLs) represent an important class of eukaryotic lipids with structural functions as well as bioactive molecules able to modulate crucial processes, including inflammation and viral infection. In the last two decades, several reports have highlighted the role of SLs in modulating SkM cell differentiation, regeneration, aging, response to insulin, and contraction. This review summarizes the consequences of SARS-CoV-2 infection on SkM and the potential involvement of SLs in the tissue responses to virus infection. In particular, we highlight the role of sphingosine 1-phosphate signaling in order to aid the prediction of novel targets for preventing and/or treating acute and long-term musculoskeletal manifestations of virus infection in COVID-19.
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Affiliation(s)
- Elisabetta Meacci
- Unit of Biochemical Sciences and Molecular Biology, Department of Experimental and Clinical Biomedical Sciences “Mario Serio”, University of Florence, Viale GB Morgagni 50, 50121 Florence, Italy;
- Interuniversity Institute of Myology, University of Florence, 50121 Florence, Italy
- Correspondence: ; Tel.: +39-055-2751231
| | - Federica Pierucci
- Unit of Biochemical Sciences and Molecular Biology, Department of Experimental and Clinical Biomedical Sciences “Mario Serio”, University of Florence, Viale GB Morgagni 50, 50121 Florence, Italy;
| | - Mercedes Garcia-Gil
- Unit of Physiology, Department of Biology, University of Pisa, Via S. Zeno 31, 56127 Pisa, Italy;
- Interdepartmental Research Center “Nutraceuticals and Food for Health”, University of Pisa, 56127 Pisa, Italy
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