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Lin L, Lin J, Zhou M, Yuan Y, Li Z. Lipid remodelling and the conversion of lipids into sugars associated with tolerance to cadmium toxicity during white clover seed germination. PHYSIOLOGIA PLANTARUM 2024; 176:e14433. [PMID: 38994561 DOI: 10.1111/ppl.14433] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/19/2024] [Revised: 06/20/2024] [Accepted: 06/24/2024] [Indexed: 07/13/2024]
Abstract
Cadmium (Cd) is a leading environmental issue worldwide. The current study was conducted to investigate Cd tolerance of 10 commercial white clover (Trifolium repens) cultivars during seed germination and to further explore differences in lipid remodelling, glycometabolism, and the conversion of lipids into sugars contributing to Cd tolerance in the early phase of seedling establishment as well as the accumulation of Cd in seedlings and mature plants. The results show that Cd stress significantly reduced seed germination of 10 cultivars. Compared to Cd-sensitive Sulky, Cd-tolerant Pixie accelerated amylolysis to produce more glucose, fructose, and sucrose by maintaining higher amylase and sucrase activities under Cd stress. Pixie maintained higher contents of various lipids, higher DGDG/MGDG ratio, and lower unsaturation levels of lipids, which could be beneficial to membrane stability and integrity as well as signal transduction in cells after being subjected to Cd stress. In addition, Pixie upregulated expression levels of key genes (TrACX1, TrACX4, TrSDP6, and TrPCK1) involved in the conversion of lipids into sugars for early seedling establishment under Cd stress. These findings indicate that lipid remodelling, enhanced glycometabolism, and accelerated conversion of lipids into sugars are important adaptive strategies for white clover seed germination and subsequent seedling establishment under Cd stress. In addition, Pixie not only accumulated more Cd in seedlings and mature plants than Sulky but also had significantly better growth and phytoremediation efficiency under Cd stress. Pixie could be used as a suitable and critical germplasm for the rehabilitation and re-establishment of Cd-contaminated areas.
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Affiliation(s)
- Long Lin
- Department of Turf Science and Engineering, College of Grassland Science and Technology, Sichuan Agricultural University, Chengdu, China
| | - Junnan Lin
- Department of Turf Science and Engineering, College of Grassland Science and Technology, Sichuan Agricultural University, Chengdu, China
| | - Min Zhou
- Department of Turf Science and Engineering, College of Grassland Science and Technology, Sichuan Agricultural University, Chengdu, China
| | - Yan Yuan
- Department of Turf Science and Engineering, College of Grassland Science and Technology, Sichuan Agricultural University, Chengdu, China
| | - Zhou Li
- Department of Turf Science and Engineering, College of Grassland Science and Technology, Sichuan Agricultural University, Chengdu, China
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2
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Hooshmand K, Xu J, Simonsen AH, Wretlind A, de Zawadzki A, Sulek K, Hasselbalch SG, Legido-Quigley C. Human Cerebrospinal Fluid Sample Preparation and Annotation for Integrated Lipidomics and Metabolomics Profiling Studies. Mol Neurobiol 2024; 61:2021-2032. [PMID: 37843799 DOI: 10.1007/s12035-023-03666-4] [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: 12/07/2022] [Accepted: 09/21/2023] [Indexed: 10/17/2023]
Abstract
Cerebrospinal fluid (CSF) is a metabolically diverse biofluid and a key specimen for exploring biochemical changes in neurodegenerative diseases. Detecting lipid species in CSF using mass spectrometry (MS)-based techniques remains challenging because lipids are highly complex in structure, and their concentrations span over a broad dynamic range. This work aimed to develop a robust lipidomics and metabolomics method based on commonly used two-phase extraction systems from human CSF samples. Prioritizing lipid detection, biphasic extraction methods, Folch, Bligh and Dyer (B&D), Matyash, and acidified Folch and B&D (aFolch and aB&D) were compared using 150 μL of human CSF samples for the simultaneous extraction of lipids and metabolites with a wide range of polarity. Multiple chromatographical separation approaches, including reversed-phase liquid chromatography (RPLC), hydrophilic interaction liquid chromatography (HILIC), and gas chromatography (GC), were utilized to characterize human CSF metabolome. The aB&D method was found as the most reproducible technique (RSD < 15%) for lipid extraction. The aB&D and B&D yielded the highest peak intensities for targeted lipid internal standards and displayed superior extracting power for major endogenous lipid classes. A total of 674 unique metabolites with a wide polarity range were annotated in CSF using, combining RPLC-MS/MS lipidomics (n = 219), HILIC-MS/MS (n = 304), and GC-quadrupole time of flight (QTOF) MS (n = 151). Overall, our findings show that the aB&D extraction method provided suitable lipid coverage, reproducibility, and extraction efficiency for global lipidomics profiling of human CSF samples. In combination with RPLC-MS/MS lipidomics, complementary screening approaches enabled a comprehensive metabolite signature that can be employed in an array of clinical studies.
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Affiliation(s)
| | - Jin Xu
- Institute of Pharmaceutical Sciences, Faculty of Life Sciences and Medicine, King's College London, Franklin-Wilkins Building, 150 Stamford Street, London, SE1 9NH, UK
| | - Anja Hviid Simonsen
- Danish Dementia Research Centre, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark
| | - Asger Wretlind
- System Medicine, Steno Diabetes Center Copenhagen, Herlev, Denmark
| | | | - Karolina Sulek
- System Medicine, Steno Diabetes Center Copenhagen, Herlev, Denmark
| | - Steen Gregers Hasselbalch
- Danish Dementia Research Centre, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark
| | - Cristina Legido-Quigley
- System Medicine, Steno Diabetes Center Copenhagen, Herlev, Denmark.
- Institute of Pharmaceutical Sciences, Faculty of Life Sciences and Medicine, King's College London, Franklin-Wilkins Building, 150 Stamford Street, London, SE1 9NH, UK.
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Dzobo KE, Cupido AJ, Mol BM, Stiekema LC, Versloot M, Winkelmeijer M, Peter J, Pennekamp AM, Havik SR, Vaz FM, van Weeghel M, Prange KH, Levels JH, de Winther MP, Tsimikas S, Groen AK, Stroes ES, de Kleijn DP, Kroon J. Diacylglycerols and Lysophosphatidic Acid, Enriched on Lipoprotein(a), Contribute to Monocyte Inflammation. Arterioscler Thromb Vasc Biol 2024; 44:720-740. [PMID: 38269588 PMCID: PMC10880937 DOI: 10.1161/atvbaha.123.319937] [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: 08/31/2023] [Accepted: 01/03/2024] [Indexed: 01/26/2024]
Abstract
BACKGROUND Oxidized phospholipids play a key role in the atherogenic potential of lipoprotein(a) (Lp[a]); however, Lp(a) is a complex particle that warrants research into additional proinflammatory mediators. We hypothesized that additional Lp(a)-associated lipids contribute to the atherogenicity of Lp(a). METHODS Untargeted lipidomics was performed on plasma and isolated lipoprotein fractions. The atherogenicity of the observed Lp(a)-associated lipids was tested ex vivo in primary human monocytes by RNA sequencing, ELISA, Western blot, and transendothelial migratory assays. Using immunofluorescence staining and single-cell RNA sequencing, the phenotype of macrophages was investigated in human atherosclerotic lesions. RESULTS Compared with healthy individuals with low/normal Lp(a) levels (median, 7 mg/dL [18 nmol/L]; n=13), individuals with elevated Lp(a) levels (median, 87 mg/dL [218 nmol/L]; n=12) demonstrated an increase in lipid species, particularly diacylglycerols (DGs) and lysophosphatidic acid (LPA). DG and the LPA precursor lysophosphatidylcholine were enriched in the Lp(a) fraction. Ex vivo stimulation with DG(40:6) demonstrated a significant upregulation in proinflammatory pathways related to leukocyte migration, chemotaxis, NF-κB (nuclear factor kappa B) signaling, and cytokine production. Functional assessment showed a dose-dependent increase in the secretion of IL (interleukin)-6, IL-8, and IL-1β after DG(40:6) and DG(38:4) stimulation, which was, in part, mediated via the NLRP3 (NOD [nucleotide-binding oligomerization domain]-like receptor family pyrin domain containing 3) inflammasome. Conversely, LPA-stimulated monocytes did not exhibit an inflammatory phenotype. Furthermore, activation of monocytes by DGs and LPA increased their transendothelial migratory capacity. Human atherosclerotic plaques from patients with high Lp(a) levels demonstrated colocalization of Lp(a) with M1 macrophages, and an enrichment of CD68+IL-18+TLR4+ (toll-like receptor) TREM2+ (triggering receptor expressed on myeloid cells) resident macrophages and CD68+CASP1+ (caspase) IL-1B+SELL+ (selectin L) inflammatory macrophages compared with patients with low Lp(a). Finally, potent Lp(a)-lowering treatment (pelacarsen) resulted in a reduction in specific circulating DG lipid subspecies in patients with cardiovascular disease with elevated Lp(a) levels (median, 82 mg/dL [205 nmol/L]). CONCLUSIONS Lp(a)-associated DGs and LPA have a potential role in Lp(a)-induced monocyte inflammation by increasing cytokine secretion and monocyte transendothelial migration. This DG-induced inflammation is, in part, NLRP3 inflammasome dependent.
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Affiliation(s)
- Kim E. Dzobo
- Departments of Experimental Vascular Medicine (K.E.D., M.V., M.W., J.P., A.-M.P., S.R.H., J.H.M.L., A.K.G., J.K.), Amsterdam University Medical Center (UMC), University of Amsterdam, Amsterdam Cardiovascular Sciences, the Netherlands
- Amsterdam Cardiovascular Sciences, Atherosclerosis and Ischemic Syndromes, the Netherlands (K.E.D., M.V., J.K.)
| | - Arjen J. Cupido
- Vascular Medicine (A.J.C., L.C.A.S., E.S.G.S.), Amsterdam University Medical Center (UMC), University of Amsterdam, Amsterdam Cardiovascular Sciences, the Netherlands
| | - Barend M. Mol
- Department of Vascular Surgery, University Medical Centre Utrecht, the Netherlands (B.M.M., D.P.V.d.K.)
| | - Lotte C.A. Stiekema
- Vascular Medicine (A.J.C., L.C.A.S., E.S.G.S.), Amsterdam University Medical Center (UMC), University of Amsterdam, Amsterdam Cardiovascular Sciences, the Netherlands
| | - Miranda Versloot
- Departments of Experimental Vascular Medicine (K.E.D., M.V., M.W., J.P., A.-M.P., S.R.H., J.H.M.L., A.K.G., J.K.), Amsterdam University Medical Center (UMC), University of Amsterdam, Amsterdam Cardiovascular Sciences, the Netherlands
- Amsterdam Cardiovascular Sciences, Atherosclerosis and Ischemic Syndromes, the Netherlands (K.E.D., M.V., J.K.)
| | - Maaike Winkelmeijer
- Departments of Experimental Vascular Medicine (K.E.D., M.V., M.W., J.P., A.-M.P., S.R.H., J.H.M.L., A.K.G., J.K.), Amsterdam University Medical Center (UMC), University of Amsterdam, Amsterdam Cardiovascular Sciences, the Netherlands
| | - Jorge Peter
- Departments of Experimental Vascular Medicine (K.E.D., M.V., M.W., J.P., A.-M.P., S.R.H., J.H.M.L., A.K.G., J.K.), Amsterdam University Medical Center (UMC), University of Amsterdam, Amsterdam Cardiovascular Sciences, the Netherlands
| | - Anne-Marije Pennekamp
- Departments of Experimental Vascular Medicine (K.E.D., M.V., M.W., J.P., A.-M.P., S.R.H., J.H.M.L., A.K.G., J.K.), Amsterdam University Medical Center (UMC), University of Amsterdam, Amsterdam Cardiovascular Sciences, the Netherlands
| | - Stefan R. Havik
- Departments of Experimental Vascular Medicine (K.E.D., M.V., M.W., J.P., A.-M.P., S.R.H., J.H.M.L., A.K.G., J.K.), Amsterdam University Medical Center (UMC), University of Amsterdam, Amsterdam Cardiovascular Sciences, the Netherlands
| | - Frédéric M. Vaz
- Core Facility Metabolomics (F.M.V., M.v.W.), Amsterdam UMC, University of Amsterdam, the Netherlands
| | - Michel van Weeghel
- Core Facility Metabolomics (F.M.V., M.v.W.), Amsterdam UMC, University of Amsterdam, the Netherlands
| | - Koen H.M. Prange
- Department of Medical Biochemistry, Amsterdam Infection and Immunity (K.H.M.P., M.P.J.d.W.), Amsterdam UMC, University of Amsterdam, the Netherlands
| | - Johannes H.M. Levels
- Departments of Experimental Vascular Medicine (K.E.D., M.V., M.W., J.P., A.-M.P., S.R.H., J.H.M.L., A.K.G., J.K.), Amsterdam University Medical Center (UMC), University of Amsterdam, Amsterdam Cardiovascular Sciences, the Netherlands
| | - Menno P.J. de Winther
- Department of Medical Biochemistry, Amsterdam Infection and Immunity (K.H.M.P., M.P.J.d.W.), Amsterdam UMC, University of Amsterdam, the Netherlands
| | - Sotirios Tsimikas
- Division of Cardiovascular Medicine, Sulpizio Cardiovascular Center, University of California San Diego, La Jolla (S.T.)
| | - Albert K. Groen
- Departments of Experimental Vascular Medicine (K.E.D., M.V., M.W., J.P., A.-M.P., S.R.H., J.H.M.L., A.K.G., J.K.), Amsterdam University Medical Center (UMC), University of Amsterdam, Amsterdam Cardiovascular Sciences, the Netherlands
| | - Erik S.G. Stroes
- Vascular Medicine (A.J.C., L.C.A.S., E.S.G.S.), Amsterdam University Medical Center (UMC), University of Amsterdam, Amsterdam Cardiovascular Sciences, the Netherlands
| | - Dominique P.V. de Kleijn
- Department of Vascular Surgery, University Medical Centre Utrecht, the Netherlands (B.M.M., D.P.V.d.K.)
| | - Jeffrey Kroon
- Departments of Experimental Vascular Medicine (K.E.D., M.V., M.W., J.P., A.-M.P., S.R.H., J.H.M.L., A.K.G., J.K.), Amsterdam University Medical Center (UMC), University of Amsterdam, Amsterdam Cardiovascular Sciences, the Netherlands
- Amsterdam Cardiovascular Sciences, Atherosclerosis and Ischemic Syndromes, the Netherlands (K.E.D., M.V., J.K.)
- Laboratory of Angiogenesis and Vascular Metabolism, Flanders Institute for Biotechnology (VIB)-KU Leuven Center for Cancer Biology, VIB, Belgium (J.K.)
- Laboratory of Angiogenesis and Vascular Metabolism, Department of Oncology, KU Leuven and Leuven Cancer Institute, Belgium (J.K.)
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Cheng X, Xie H, Xiong Y, Sun P, Xue Y, Li K. Lipidomics profiles of human spermatozoa: insights into capacitation and acrosome reaction using UPLC-MS-based approach. Front Endocrinol (Lausanne) 2023; 14:1273878. [PMID: 38027124 PMCID: PMC10660817 DOI: 10.3389/fendo.2023.1273878] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Accepted: 10/10/2023] [Indexed: 12/01/2023] Open
Abstract
Introduction Lipidomics elucidates the roles of lipids in both physiological and pathological processes, intersecting with many diseases and cellular functions. The maintenance of lipid homeostasis, essential for cell health, significantly influences the survival, maturation, and functionality of sperm during fertilization. While capacitation and the acrosome reaction, key processes before fertilization, involve substantial lipidomic alterations, a comprehensive understanding of the changes in human spermatozoa's lipidomic profiles during these processes remains unknown. This study aims to explicate global lipidomic changes during capacitation and the acrosome reaction in human sperm, employing an untargeted lipidomic strategy using ultra-performance liquid chromatography-mass spectrometry (UPLC-MS). Methods Twelve semen specimens, exceeding the WHO reference values for semen parameters, were collected. After discontinuous density gradient separation, sperm concentration was adjusted to 2 x 106 cells/ml and divided into three groups: uncapacitated, capacitated, and acrosome-reacted. UPLC-MS analysis was performed after lipid extraction from these groups. Spectral peak alignment and statistical analysis, using unsupervised principal component analysis (PCA), bidirectional orthogonal partial least squares discriminant analysis (O2PLS-DA) analysis, and supervised partial least-squares-latent structure discriminate analysis (PLS-DA), were employed to identify the most discriminative lipids. Results The 1176 lipid peaks overlapped across the twelve individuals in the uncapacitated, capacitated, and acrosome-reacted groups: 1180 peaks between the uncapacitated and capacitated groups, 1184 peaks between the uncapacitated and acrosome-reacted groups, and 1178 peaks between the capacitated and acrosome-reacted groups. The count of overlapping peaks varied among individuals, ranging from 739 to 963 across sperm samples. Moreover, 137 lipids had VIP values > 1.0 and twenty-two lipids had VIP > 1.5, based on the O2PLS-DA model. Furthermore, the identified twelve lipids encompassed increases in PI 44:10, LPS 20:4, LPA 20:5, and LPE 20:4, and decreases in 16-phenyl-tetranor-PGE2, PC 40:6, PS 35:4, PA 29:1, 20-carboxy-LTB4, and 2-oxo-4-methylthio-butanoic acid. Discussion This study has been the first time to investigate the lipidomics profiles associated with acrosome reaction and capacitation in human sperm, utilizing UPLC-MS in conjunction with multivariate data analysis. These findings corroborate earlier discoveries on lipids during the acrosome reaction and unveil new metabolites. Furthermore, this research highlights the effective utility of UPLC-MS-based lipidomics for exploring diverse physiological states in sperm. This study offers novel insights into lipidomic changes associated with capacitation and the acrosome reaction in human sperm, which are closely related to male reproduction.
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Affiliation(s)
- Xiaohong Cheng
- School of Pharmacy, Hangzhou Medical College, Hangzhou, China
- School of Basic Medical Sciences and Forensic Medicine, Hangzhou Medical College, Hangzhou, Zhejiang, China
| | - Haifeng Xie
- School of Pharmacy, Hangzhou Medical College, Hangzhou, China
| | - Yuping Xiong
- School of Pharmacy, Hangzhou Medical College, Hangzhou, China
- School of Basic Medical Sciences and Forensic Medicine, Hangzhou Medical College, Hangzhou, Zhejiang, China
| | - Peibei Sun
- School of Pharmacy, Hangzhou Medical College, Hangzhou, China
| | - Yamei Xue
- Reproductive Medicine Center, Department of Obstetrics and Gynecology, Sir Run Run Shaw Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
| | - Kun Li
- School of Pharmacy, Hangzhou Medical College, Hangzhou, China
- Zhejiang Provincial Laboratory of Experimental Animal’s & Nonclinical Laboratory Studies, Hangzhou Medical College, Hangzhou, Zhejiang, China
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Liu S, Chen Y, Wang X, Wang S, Bai L, Cheng X, Wan J, Hu Y, Ding Y, Zhang X, Ding M, Li H, Hu M. Plasma metabolomics identifies metabolic alterations associated with the growth and development of cat. Animal Model Exp Med 2023; 6:306-316. [PMID: 37271879 PMCID: PMC10486329 DOI: 10.1002/ame2.12328] [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: 01/18/2023] [Accepted: 04/09/2023] [Indexed: 06/06/2023] Open
Abstract
BACKGROUND The purpose of our study was to study the composition and content of the feline plasma metabolome revealing the critical metabolites and metabolic pathways associated with age during growth and development. METHODS Blood samples were collected from juvenile and adult groups for blood routine tests and serum biochemistry tests. Non-targeted metabolomics analyses of plasma were also performed to investigate changes in metabolites and metabolic pathways. RESULTS In this study, we found that the red blood cell counts, liver function indexes (albumin and gamma-glutamyl transpeptidase), and the concentration of triglyceride and glucose changed significant with growth and development. The metabolomics results revealed that 1427 metabolites were identified in the plasma of young and adult cats. Most of these metabolites belong to major classes of lipids and lipid-like molecules. The most obvious age-related metabolites include reduced levels of chenodeoxycholate, taurocholate, cholate, and taurochenodeoxycholate but increased levels of L-cysteine and taurocyamine in the adult cat's serum. These metabolites are mainly involved in the primary bile acid biosynthesis pathway, the bile secretion pathway, and the taurine and hypotaurine metabolism pathway. CONCLUSION This study revealed many age-related metabolite alterations in the feline plasma. These age-varying metabolites, especially in the bile acid biosynthesis and secretion metabolism pathways, indicate that the regulation of these pathways is involved in the growth and development of cats. This study promotes our understanding of the mechanism of feline growth and provides new insights into nutrition and medicine for cats of different ages.
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Affiliation(s)
- Shuaiyang Liu
- School of Basic Medical Science, Wuhan UniversityWuhanChina
- Institute of Model Animal, Wuhan UniversityWuhanChina
| | - Yun Chen
- Institute of Model Animal, Wuhan UniversityWuhanChina
- Clinical Trial CentersHuanggang Central HospitalHuanggangChina
| | - Xiaoming Wang
- School of Basic Medical Science, Wuhan UniversityWuhanChina
- Institute of Model Animal, Wuhan UniversityWuhanChina
| | - Shuang Wang
- College of Veterinary Medicine, Huazhong Agricultural UniversityWuhanChina
| | - Lan Bai
- Key Laboratory of Cardiovascular Disease Prevention and Control, Ministry of EducationSchool of Basic Medical Science, Gannan Medical UniversityGanzhouChina
- Gannan Innovation and Translational Medicine Research Institute, Gannan Medical UniversityGanzhouChina
| | - Xu Cheng
- Key Laboratory of Cardiovascular Disease Prevention and Control, Ministry of EducationSchool of Basic Medical Science, Gannan Medical UniversityGanzhouChina
- Gannan Innovation and Translational Medicine Research Institute, Gannan Medical UniversityGanzhouChina
| | - Juan Wan
- Key Laboratory of Cardiovascular Disease Prevention and Control, Ministry of EducationSchool of Basic Medical Science, Gannan Medical UniversityGanzhouChina
- Gannan Innovation and Translational Medicine Research Institute, Gannan Medical UniversityGanzhouChina
| | - Yufeng Hu
- Key Laboratory of Cardiovascular Disease Prevention and Control, Ministry of EducationSchool of Basic Medical Science, Gannan Medical UniversityGanzhouChina
- Gannan Innovation and Translational Medicine Research Institute, Gannan Medical UniversityGanzhouChina
| | - Yi Ding
- College of Veterinary Medicine, Huazhong Agricultural UniversityWuhanChina
| | - Xin Zhang
- Key Laboratory of Cardiovascular Disease Prevention and Control, Ministry of EducationSchool of Basic Medical Science, Gannan Medical UniversityGanzhouChina
- Gannan Innovation and Translational Medicine Research Institute, Gannan Medical UniversityGanzhouChina
| | - Mingxing Ding
- College of Veterinary Medicine, Huazhong Agricultural UniversityWuhanChina
| | - Hongliang Li
- School of Basic Medical Science, Wuhan UniversityWuhanChina
- Institute of Model Animal, Wuhan UniversityWuhanChina
- Gannan Innovation and Translational Medicine Research Institute, Gannan Medical UniversityGanzhouChina
| | - Manli Hu
- Key Laboratory of Cardiovascular Disease Prevention and Control, Ministry of EducationSchool of Basic Medical Science, Gannan Medical UniversityGanzhouChina
- Gannan Innovation and Translational Medicine Research Institute, Gannan Medical UniversityGanzhouChina
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Altered transcriptomic and metabolomic profiles of testicular interstitial fluid during aging in mice. Theriogenology 2023; 200:86-95. [PMID: 36773384 DOI: 10.1016/j.theriogenology.2023.02.004] [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: 05/01/2022] [Revised: 01/12/2023] [Accepted: 02/04/2023] [Indexed: 02/07/2023]
Abstract
The testicular interstitial fluid (TIF) that bathes seminiferous tubules and testicular interstitial cells is the main microenvironment of the testis and involved in crosstalk between testicular cells. TIF also provides a new mean to investigate dysfunctional states of testis such as spermatogenic disorder and aging. In this study, we performed integrative omics analysis on the exosomal transcriptomics and liquid chromatography-tandem mass spectrometry (LC-MS/MS) based non-targeted metabolomics in TIF by comparison between 21-month-old and 3-month-old male mice. A total of 1627 genes were identified as aging-related differently expressed genes (DEGs) in mouse TIF exosomes, with 1139 downregulated and 488 upregulated. Functional and pathway analysis revealed that the DEGs were associated with oxidative stress, carbon metabolism, and systemic lupus erythematosus. By comparing the DEGs with the Aging Atlas Database, we screened out key aging-related genes functioning as oxidative stress regulators, and their expression pattern in human testis with age was confirmed by immunohistochemistry results in the Human Protein Atlas database. In addition, the metabolomic analysis identified mild differences between young and old groups with 28 downregulated differently expressed metabolites (DEMs) and 6 upregulated DEMs, in the negative ion mode, including decreased level of several antioxidant metabolites. The KEGG analysis demonstrated that 10 pathways were upregulated, while the pyrimidine metabolism pathway was downregulated in the aged mice TIF. Taken together, this study highlighted the prominent role of oxidative stress that contributed to the aging microenvironment in the TIF, and brought comprehensive transcriptomic and metabolomic perspectives for understanding the mechanism underlying the testicular aging.
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Lackner K, Sailer S, van Klinken JB, Wever E, Pras-Raves ML, Dane AD, Honsho M, Abe Y, Keller MA, Golderer G, Werner-Felmayer G, Fujiki Y, Vaz FM, Werner ER, Watschinger K. Alterations in ether lipid metabolism and the consequences for the mouse lipidome. Biochim Biophys Acta Mol Cell Biol Lipids 2023; 1868:159285. [PMID: 36690320 DOI: 10.1016/j.bbalip.2023.159285] [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: 09/13/2022] [Revised: 12/18/2022] [Accepted: 01/16/2023] [Indexed: 01/22/2023]
Abstract
Alkylglycerol monooxygenase (AGMO) and plasmanylethanolamine desaturase (PEDS1) are enzymes involved in ether lipid metabolism. While AGMO degrades plasmanyl lipids by oxidative cleavage of the ether bond, PEDS1 exclusively synthesizes a specific subclass of ether lipids, the plasmalogens, by introducing a vinyl ether double bond into plasmanylethanolamine phospholipids. Ether lipids are characterized by an ether linkage at the sn-1 position of the glycerol backbone and they are found in membranes of different cell types. Decreased plasmalogen levels have been associated with neurological diseases like Alzheimer's disease. Agmo-deficient mice do not present an obvious phenotype under unchallenged conditions. In contrast, Peds1 knockout mice display a growth phenotype. To investigate the molecular consequences of Agmo and Peds1 deficiency on the mouse lipidome, five tissues from each mouse model were isolated and subjected to high resolution mass spectrometry allowing the characterization of up to 2013 lipid species from 42 lipid subclasses. Agmo knockout mice moderately accumulated plasmanyl and plasmenyl lipid species. Peds1-deficient mice manifested striking changes characterized by a strong reduction of plasmenyl lipids and a concomitant massive accumulation of plasmanyl lipids resulting in increased total ether lipid levels in the analyzed tissues except for the class of phosphatidylethanolamines where total levels remained remarkably constant also in Peds1 knockout mice. The rate-limiting enzyme in ether lipid metabolism, FAR1, was not upregulated in Peds1-deficient mice, indicating that the selective loss of plasmalogens is not sufficient to activate the feedback mechanism observed in total ether lipid deficiency.
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Affiliation(s)
- Katharina Lackner
- Institute of Biological Chemistry, Biocenter, Medical University of Innsbruck, Innrain 80, 6020 Innsbruck, Austria.
| | - Sabrina Sailer
- Institute of Biological Chemistry, Biocenter, Medical University of Innsbruck, Innrain 80, 6020 Innsbruck, Austria; Institute of Human Genetics, Medical University of Innsbruck, Peter-Mayr-Strasse 1, 6020 Innsbruck, Austria.
| | - Jan-Bert van Klinken
- Amsterdam UMC location University of Amsterdam, Department of Clinical Chemistry and Pediatrics, Laboratory Genetic Metabolic Diseases, Emma Children's Hospital, Meibergdreef 9, Amsterdam, 1105, AZ, the Netherlands; Core Facility Metabolomics, Amsterdam UMC location University of Amsterdam, Meibergdreef 9, Amsterdam, 1105, AZ, the Netherlands; Department of Human Genetics, Leiden University Medical Center (LUMC), Einthovenweg 20, Leiden, 2333, ZC, the Netherlands.
| | - Eric Wever
- Amsterdam UMC location University of Amsterdam, Department of Clinical Chemistry and Pediatrics, Laboratory Genetic Metabolic Diseases, Emma Children's Hospital, Meibergdreef 9, Amsterdam, 1105, AZ, the Netherlands; Core Facility Metabolomics, Amsterdam UMC location University of Amsterdam, Meibergdreef 9, Amsterdam, 1105, AZ, the Netherlands; Bioinformatics Laboratory, Department of Epidemiology & Data Science, Amsterdam Public Health Research Institute, Amsterdam UMC location University of Amsterdam, Meibergdreef 9, Amsterdam, 1105, AZ, the Netherlands.
| | - Mia L Pras-Raves
- Amsterdam UMC location University of Amsterdam, Department of Clinical Chemistry and Pediatrics, Laboratory Genetic Metabolic Diseases, Emma Children's Hospital, Meibergdreef 9, Amsterdam, 1105, AZ, the Netherlands; Core Facility Metabolomics, Amsterdam UMC location University of Amsterdam, Meibergdreef 9, Amsterdam, 1105, AZ, the Netherlands; Bioinformatics Laboratory, Department of Epidemiology & Data Science, Amsterdam Public Health Research Institute, Amsterdam UMC location University of Amsterdam, Meibergdreef 9, Amsterdam, 1105, AZ, the Netherlands.
| | - Adrie D Dane
- Amsterdam UMC location University of Amsterdam, Department of Clinical Chemistry and Pediatrics, Laboratory Genetic Metabolic Diseases, Emma Children's Hospital, Meibergdreef 9, Amsterdam, 1105, AZ, the Netherlands; Bioinformatics Laboratory, Department of Epidemiology & Data Science, Amsterdam Public Health Research Institute, Amsterdam UMC location University of Amsterdam, Meibergdreef 9, Amsterdam, 1105, AZ, the Netherlands.
| | - Masanori Honsho
- Department of Neuroinflammation and Brain Fatigue Science, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Fukuoka 812-8582, Japan.
| | - Yuichi Abe
- Faculty of Arts and Science, Kyushu University, 744 Motooka, Fukuoka 819-0395, Japan.
| | - Markus A Keller
- Institute of Human Genetics, Medical University of Innsbruck, Peter-Mayr-Strasse 1, 6020 Innsbruck, Austria.
| | - Georg Golderer
- Institute of Biological Chemistry, Biocenter, Medical University of Innsbruck, Innrain 80, 6020 Innsbruck, Austria.
| | - Gabriele Werner-Felmayer
- Institute of Biological Chemistry, Biocenter, Medical University of Innsbruck, Innrain 80, 6020 Innsbruck, Austria.
| | - Yukio Fujiki
- Institute of Rheological Functions of Food, Kyushu University Collaboration Program, Kyushu University, 3-1-1 Maidashi, Fukuoka 812-8582, Japan; Graduate School of Science, University of Hyogo, Hyogo, Japan.
| | - Frédéric M Vaz
- Amsterdam UMC location University of Amsterdam, Department of Clinical Chemistry and Pediatrics, Laboratory Genetic Metabolic Diseases, Emma Children's Hospital, Meibergdreef 9, Amsterdam, 1105, AZ, the Netherlands; Core Facility Metabolomics, Amsterdam UMC location University of Amsterdam, Meibergdreef 9, Amsterdam, 1105, AZ, the Netherlands; Amsterdam Gastroenterology Endocrinology Metabolism, Inborn Errors of Metabolism, Amsterdam UMC location University of Amsterdam, Meibergdreef 9, Amsterdam 1105, AZ, The Netherlands.
| | - Ernst R Werner
- Institute of Biological Chemistry, Biocenter, Medical University of Innsbruck, Innrain 80, 6020 Innsbruck, Austria.
| | - Katrin Watschinger
- Institute of Biological Chemistry, Biocenter, Medical University of Innsbruck, Innrain 80, 6020 Innsbruck, Austria.
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8
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Xia F, Wan JB. Chemical derivatization strategy for mass spectrometry-based lipidomics. MASS SPECTROMETRY REVIEWS 2023; 42:432-452. [PMID: 34486155 DOI: 10.1002/mas.21729] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/03/2021] [Revised: 07/02/2021] [Accepted: 07/15/2021] [Indexed: 06/13/2023]
Abstract
Lipids, serving as the structural components of cellular membranes, energy storage, and signaling molecules, play the essential and multiple roles in biological functions of mammals. Mass spectrometry (MS) is widely accepted as the first choice for lipid analysis, offering good performance in sensitivity, accuracy, and structural characterization. However, the untargeted qualitative profiling and absolute quantitation of lipids are still challenged by great structural diversity and high structural similarity. In recent decade, chemical derivatization mainly targeting carboxyl group and carbon-carbon double bond of lipids have been developed for lipidomic analysis with diverse advantages: (i) offering more characteristic structural information; (ii) improving the analytical performance, including chromatographic separation and MS sensitivity; (iii) providing one-to-one chemical isotope labeling internal standards based on the isotope derivatization regent in quantitative analysis. Moreover, the chemical derivatization strategy has shown great potential in combination with ion mobility mass spectrometry and ambient mass spectrometry. Herein, we summarized the current states and advances in chemical derivatization-assisted MS techniques for lipidomic analysis, and their strengths and challenges are also given. In summary, the chemical derivatization-based lipidomic approach has become a promising and reliable technique for the analysis of lipidome in complex biological samples.
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Affiliation(s)
- Fangbo Xia
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Taipa, China
| | - Jian-Bo Wan
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Taipa, China
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9
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Ganeshalingam M, Enstad S, Sen S, Cheema S, Esposito F, Thomas R. Role of lipidomics in assessing the functional lipid composition in breast milk. Front Nutr 2022; 9:899401. [PMID: 36118752 PMCID: PMC9478754 DOI: 10.3389/fnut.2022.899401] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Accepted: 08/02/2022] [Indexed: 11/13/2022] Open
Abstract
Breast milk is the ideal source of nutrients for infants in early life. Lipids represent 2–5% of the total breast milk composition and are a major energy source providing 50% of an infant’s energy intake. Functional lipids are an emerging class of lipids in breast milk mediating several different biological functions, health, and developmental outcome. Lipidomics is an emerging field that studies the structure and function of lipidome. It provides the ability to identify new signaling molecules, mechanisms underlying physiological activities, and possible biomarkers for early diagnosis and prognosis of diseases, thus laying the foundation for individualized, targeted, and precise nutritional management strategies. This emerging technique can be useful to study the major role of functional lipids in breast milk in several dimensions. Functional lipids are consumed with daily food intake; however, they have physiological benefits reported to reduce the risk of disease. Functional lipids are a new area of interest in lipidomics, but very little is known of the functional lipidome in human breast milk. In this review, we focus on the role of lipidomics in assessing functional lipid composition in breast milk and how lipid bioinformatics, a newly emerging branch in this field, can help to determine the mechanisms by which breast milk affects newborn health.
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Affiliation(s)
- Moganatharsa Ganeshalingam
- School of Science and the Environment/Boreal Ecosystems Research Initiative, Memorial University of Newfoundland, Corner Brook, NL, Canada
- *Correspondence: Moganatharsa Ganeshalingam,
| | - Samantha Enstad
- Neonatal Intensive Care Unit, Orlando Health Winne Palmer Hospital for Women and Babies, Orlando, FL, United States
| | - Sarbattama Sen
- Department of Pediatric Newborn Medicine, Brigham and Women’s Hospital, Boston, MA, United States
- Harvard Medical School, Boston, MA, United States
| | - Sukhinder Cheema
- Department of Biochemistry, Memorial University of Newfoundland, St. John’s, NL, Canada
| | - Flavia Esposito
- Department of Mathematics, University of Bari Aldo Moro, Bari, Italy
| | - Raymond Thomas
- School of Science and the Environment/Boreal Ecosystems Research Initiative, Memorial University of Newfoundland, Corner Brook, NL, Canada
- Raymond Thomas,
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10
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Chen X, Wang P, Wei M, Lin X, Gu M, Fang W, Zheng Y, Zhao F, Jin S, Ye N. Lipidomics analysis unravels changes from flavor precursors in different processing treatments of purple-leaf tea. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2022; 102:3730-3741. [PMID: 34919290 DOI: 10.1002/jsfa.11721] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/09/2021] [Revised: 11/17/2021] [Accepted: 12/17/2021] [Indexed: 06/14/2023]
Abstract
BACKGROUND Lipids are one of the most important bioactive compounds, affecting the character and quality of tea. However, the contribution of lipids to tea productions is still elusive. Here, we systematically identified the lipid profiles of green, oolong, and black teas in purple-leaf tea (Jinmingzao, JMZ) and green-leaf tea (Huangdan, HD), respectively. RESULTS The lipids analysis showed regular accumulation in tea products with different manufacturing processes, among which the fatty acids, glycerolipids, glycerophospholipids, and sphingolipids contribute to the quality characteristics of tea products, including typical fatty acyl (FA), monogalactosyldiacylglycerol (MGDG), digalactosyldiacylglycerols (DGDG), and phosphatidylcholine (PC). Compared tea materials with products, levels of fatty acids were up-regulated, while glycerolipids and glycerophospholipids were down-regulated in tea products. FA 18:3, FA 16:0, MGDG 36:6, DGDG 36:6, PC 34:3, and PC 36:6 were the negative contributors to green tea flavor formation of purple-leaf tea. The pathway analysis of significant lipids in materials and products of purple-leaf tea were enriched linolenic acid metabolism pathway and glycerolipid metabolism. CONCLUSION This study provides insights into the lipid metabolism profiles of different tea leaf colors, and found that fatty acids are essential precursors of black tea flavor formation. © 2021 Society of Chemical Industry.
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Affiliation(s)
- Xuejin Chen
- College of Horticulture, Fujian Agriculture and Forestry University/Key Laboratory of Tea Science in University of Fujian Province, Fuzhou, China
- College of Horticulture, Nanjing Agricultural University, Nanjing, China
| | - Pengjie Wang
- College of Horticulture, Fujian Agriculture and Forestry University/Key Laboratory of Tea Science in University of Fujian Province, Fuzhou, China
| | - Mingxiu Wei
- College of Horticulture, Fujian Agriculture and Forestry University/Key Laboratory of Tea Science in University of Fujian Province, Fuzhou, China
| | - Xinying Lin
- College of Horticulture, Fujian Agriculture and Forestry University/Key Laboratory of Tea Science in University of Fujian Province, Fuzhou, China
| | - Mengya Gu
- College of Horticulture, Fujian Agriculture and Forestry University/Key Laboratory of Tea Science in University of Fujian Province, Fuzhou, China
| | - Wanping Fang
- College of Horticulture, Nanjing Agricultural University, Nanjing, China
| | - Yucheng Zheng
- College of Horticulture, Fujian Agriculture and Forestry University/Key Laboratory of Tea Science in University of Fujian Province, Fuzhou, China
| | - Feng Zhao
- School of Pharmacy, Fujian University of Traditional Chinese Medicine, Fuzhou, China
| | - Shan Jin
- College of Horticulture, Fujian Agriculture and Forestry University/Key Laboratory of Tea Science in University of Fujian Province, Fuzhou, China
| | - Naixing Ye
- College of Horticulture, Fujian Agriculture and Forestry University/Key Laboratory of Tea Science in University of Fujian Province, Fuzhou, China
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11
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Lin M, Guo S, Xie D, Li S, Hu H. Lipidomic profiling of wild cordyceps and its substituents by liquid chromatography-electrospray ionization-tandem mass spectrometry. Lebensm Wiss Technol 2022. [DOI: 10.1016/j.lwt.2022.113497] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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12
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Hassan MJ, Qi H, Cheng B, Hussain S, Peng Y, Liu W, Feng G, Zhao J, Li Z. Enhanced Adaptability to Limited Water Supply Regulated by Diethyl Aminoethyl Hexanoate (DA-6) Associated With Lipidomic Reprogramming in Two White Clover Genotypes. FRONTIERS IN PLANT SCIENCE 2022; 13:879331. [PMID: 35668812 PMCID: PMC9163823 DOI: 10.3389/fpls.2022.879331] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/19/2022] [Accepted: 04/19/2022] [Indexed: 06/04/2023]
Abstract
Membrane lipid reprogramming is one of the most important adaptive strategies in plant species under unfavorable environmental circumstances. Therefore, the present experiment was conducted to elucidate the effect of diethyl aminoethyl hexanoate (DA-6), a novel synthetic plant growth regulator, on oxidative damage, photosynthetic performance, changes in lipidomic profile, and unsaturation index of lipids in two white clover (Trifolium repens) cultivars (drought-sensitive "Ladino" and drought-resistant "Riverdel") under PEG-6000-induced water-deficit stress. Results revealed that water-deficit stress significantly enhanced oxidative damage and decreased photosynthetic functions in both cultivars. However, the damage was less in Riverdel. In addition, water-deficit stress significantly decreased the relative content of monogalactocyl-diacylglycerols (MGDG), sulfoquinovosyl-diacylglycerols (SQDG), phosphatidic acisd (PA), phosphatidyl-ethanolamines (PE), phosphatidyl-glycerols (PG), phosphatidyl-serines (PS), ceramides (Cer), hexosylmonoceramides (Hex1Cer), sphingomyelins (SM), and sphingosines (Sph) in both cultivars, but a more pronounced decline was observed in Ladino. Exogenous application of DA-6 significantly increased the relative content of digalactocyl-diacylglycerols (DGDG), monogalactocyl-diacylglycerolsabstra (MGDG), sulfoquinovosyl-diacylglycerols (SQDG), phosphatidic acids (PA), phosphatidyl-ethanolamines (PE), phosphatidyl-glycerols (PG), phosphatidyl-inositols (PI), phosphatidyl-serines (PS), ceramides (Cer), hexosylmonoceramides (Hex1Cer), neutral glycosphingolipids (CerG2GNAc1), and sphingosines (Sph) in the two cultivars under water-deficit stress. DA-6-treated Riverdel exhibited a significantly higher DGDG:MGDG ratio and relative content of sphingomyelins (SM) than untreated plants in response to water deficiency. Furthermore, the DA-6-pretreated plants increased the unsaturation index of phosphatidic acids (PA) and phosphatidylinositols (PI) in Ladino, ceramides (Cer) and hexosylmonoceramides (Hex1Cer) in Riverdel, and sulfoquinovosyl-diacylglycerols (SQDG) in both cultivars under water stress. These results suggested that DA-6 regulated drought resistance in white clover could be associated with increased lipid content and reprogramming, higher DGDG:MGDG ratio, and improved unsaturation index of lipids, contributing to enhanced membrane stability, integrity, fluidity, and downstream signaling transduction.
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Affiliation(s)
- Muhammad Jawad Hassan
- College of Grassland Science and Technology, Sichuan Agricultural University, Chengdu, China
| | - Hongyin Qi
- College of Grassland Science and Technology, Sichuan Agricultural University, Chengdu, China
| | - Bizhen Cheng
- College of Grassland Science and Technology, Sichuan Agricultural University, Chengdu, China
| | - Shafiq Hussain
- College of Horticulture, Sichuan Agricultural University, Chengdu, China
| | - Yan Peng
- College of Grassland Science and Technology, Sichuan Agricultural University, Chengdu, China
| | - Wei Liu
- College of Grassland Science and Technology, Sichuan Agricultural University, Chengdu, China
| | - Guangyan Feng
- College of Grassland Science and Technology, Sichuan Agricultural University, Chengdu, China
| | - Junming Zhao
- College of Grassland Science and Technology, Sichuan Agricultural University, Chengdu, China
| | - Zhou Li
- College of Grassland Science and Technology, Sichuan Agricultural University, Chengdu, China
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13
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Reza AM, Rakhi SF, Zhu X, Tang Y, Qin J. Visualising the Emerging Platform of Using Microalgae as a Sustainable Bio-Factory for Healthy Lipid Production through Biocompatible AIE Probes. BIOSENSORS 2022; 12:bios12040208. [PMID: 35448268 PMCID: PMC9029145 DOI: 10.3390/bios12040208] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Revised: 03/27/2022] [Accepted: 03/29/2022] [Indexed: 11/16/2022]
Abstract
Nowadays, a particular focus is using microalgae to get high-valued health beneficiary lipids. The precise localisation of the lipid droplets (LDs) and biochemical changes are crucial to portray the lipid production strategy in algae, but it requires an in vivo tool to rapidly visualise LD distribution. As a novel strategy, this study focuses on detecting lipid bioaccumulation in a green microalga, Chlamydomonas reinhardtii using the aggregation-induced emission (AIE) based probe, 2-DPAN (C24H18N2O). As the messenger molecule and stress biomarker, hydrogen peroxide (H2O2) activity was detected in lipid synthesis with the AIE probe, TPE-BO (C38H42B2O4). Distinctive LDs labelled with 2-DPAN have elucidated the lipid inducing conditions, where more health beneficiary α-linolenic acid has been produced. TPE-BO labelled H2O2 have clarified the involvement of H2O2 during lipid biogenesis. The co-staining procedure with traditional green BODIPY dye and red chlorophyll indicates that 2-DPAN is suitable for multicolour LD imaging. Compared with BODIPY, 2-DPAN was an efficient sample preparation technique without the washing procedure. Thus, 2-DPAN could improve traditional fluorescent probes currently used for lipid imaging. In addition, the rapid, wash-free, multicolour AIE-based in vivo probe in the study of LDs with 2-DPAN could advance the research of lipid production in microalgae.
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Affiliation(s)
- Ahm Mohsinul Reza
- College of Science and Engineering, Flinders University, Adelaide, SA 5001, Australia
- Institute for NanoScale Science and Technology, College of Science and Engineering, Flinders University, Adelaide, SA 5001, Australia
| | - Sharmin Ferdewsi Rakhi
- College of Science and Engineering, Flinders University, Adelaide, SA 5001, Australia
- Institute for NanoScale Science and Technology, College of Science and Engineering, Flinders University, Adelaide, SA 5001, Australia
| | - Xiaochen Zhu
- College of Science and Engineering, Flinders University, Adelaide, SA 5001, Australia
- Institute for NanoScale Science and Technology, College of Science and Engineering, Flinders University, Adelaide, SA 5001, Australia
| | - Youhong Tang
- College of Science and Engineering, Flinders University, Adelaide, SA 5001, Australia
- Institute for NanoScale Science and Technology, College of Science and Engineering, Flinders University, Adelaide, SA 5001, Australia
| | - Jianguang Qin
- College of Science and Engineering, Flinders University, Adelaide, SA 5001, Australia
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14
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Age- and Diet-Dependent Changes in Hepatic Lipidomic Profiles of Phospholipids in Male Mice: Age Acceleration in Cyp2b-Null Mice. J Lipids 2022; 2022:7122738. [PMID: 35391786 PMCID: PMC8983274 DOI: 10.1155/2022/7122738] [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: 10/22/2021] [Accepted: 03/03/2022] [Indexed: 11/17/2022] Open
Abstract
Increases in traditional serum lipid profiles are associated with obesity, cancer, and cardiovascular disease. Recent lipidomic analysis has indicated changes in serum lipidome profiles, especially in regard to specific phosphatidylcholines, associated with obesity. However, little work has evaluated murine hepatic liver lipidomic profiles nor compared these profiles across age, high-fat diet, or specific genotypes, in this case the lack of hepatic Cyp2b enzymes. In this study, the effects of age (9 months old), high-fat diet (4.5 months old), and the loss of three primarily hepatic xeno- and endobiotic metabolizing cytochrome P450 (Cyp) enzymes, Cyp2b9, Cyp2b10, and Cyp2b13 (Cyp2b-null mice), on the male murine hepatic lipidome were compared. Hierarchical clustering and principal component analysis show that age perturbs hepatic phospholipid profiles and serum lipid markers the most compared to young mice, followed by a high-fat diet and then loss of Cyp2b. Several lipid biomarkers such as PC/PE ratios, PE 38 : 6, and LPC concentrations indicate greater potential for NAFLD and hypertension with mixed effects in Cyp2b-null mice(less NAFLD and greater hypertension-associated markers). Lipid profiles from older mice contain greater total and n-6 fatty acids than normal diet (ND)-fed young mice; however, surprisingly, young Cyp2b-null mice contain high n-6 : n-3 ratios. Overall, the lack of Cyp2b typically enhanced adverse physiological parameters observed in the older (9 mo) mice with increased weight gain combined with a deteriorating cholesterol profile, but not necessarily all phospholipid profiles were adversely perturbed.
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15
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Pinto B, Conde T, Domingues I, Domingues MR. Adaptation of Lipid Profiling in Depression Disease and Treatment: A Critical Review. Int J Mol Sci 2022; 23:ijms23042032. [PMID: 35216147 PMCID: PMC8874755 DOI: 10.3390/ijms23042032] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Revised: 02/09/2022] [Accepted: 02/10/2022] [Indexed: 11/30/2022] Open
Abstract
Major depressive disorder (MDD), also called depression, is a serious disease that impairs the quality of life of patients and has a high incidence, affecting approximately 3.8% of the world population. Its diagnosis is very subjective and is not supported by measurable biomarkers mainly due to the lack of biochemical markers. Recently, disturbance of lipid profiling has been recognized in MDD, in animal models of MDD or in depressed patients, which may contribute to unravel the etiology of the disease and find putative new biomarkers, for a diagnosis or for monitoring the disease and therapeutics outcomes. In this review, we provide an overview of current knowledge of lipidomics analysis, both in animal models of MDD (at the brain and plasma level) and in humans (in plasma and serum). Furthermore, studies of lipidomics analyses after antidepressant treatment in rodents (in brain, plasma, and serum), in primates (in the brain) and in humans (in plasma) were reviewed and give evidence that antidepressants seem to counteract the modification seen in lipids in MDD, giving some evidence that certain altered lipid profiles could be useful MDD biomarkers for future precision medicine.
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Affiliation(s)
- Bruno Pinto
- Centre for Environmental and Marine Studies, CESAM, Department of Chemistry, Santiago University Campus, University of Aveiro, 3810-193 Aveiro, Portugal; (B.P.); (T.C.)
- Mass Spectrometry Centre, LAQV-REQUIMTE, Department of Chemistry, Santiago University Campus, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Tiago Conde
- Centre for Environmental and Marine Studies, CESAM, Department of Chemistry, Santiago University Campus, University of Aveiro, 3810-193 Aveiro, Portugal; (B.P.); (T.C.)
- Mass Spectrometry Centre, LAQV-REQUIMTE, Department of Chemistry, Santiago University Campus, University of Aveiro, 3810-193 Aveiro, Portugal
- Institute of Biomedicine—iBiMED, Department of Medical Sciences, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Inês Domingues
- Centre for Environmental and Marine Studies, CESAM, Department of Biology, Santiago University Campus, University of Aveiro, 3810-193 Aveiro, Portugal;
| | - M. Rosário Domingues
- Centre for Environmental and Marine Studies, CESAM, Department of Chemistry, Santiago University Campus, University of Aveiro, 3810-193 Aveiro, Portugal; (B.P.); (T.C.)
- Mass Spectrometry Centre, LAQV-REQUIMTE, Department of Chemistry, Santiago University Campus, University of Aveiro, 3810-193 Aveiro, Portugal
- Correspondence:
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16
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MCF-7 Drug Resistant Cell Lines Switch Their Lipid Metabolism to Triple Negative Breast Cancer Signature. Cancers (Basel) 2021; 13:cancers13235871. [PMID: 34884983 PMCID: PMC8657222 DOI: 10.3390/cancers13235871] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Revised: 11/17/2021] [Accepted: 11/17/2021] [Indexed: 12/24/2022] Open
Abstract
Obesity and adipose tissue have been closely related to a poor cancer prognosis, especially in prostate and breast cancer patients. The ability of transferring lipids from the adipose tissue to the tumor cells is actively linked to tumor progression. However, different types of breast tumor seem to use these lipids in different ways and metabolize them in different pathways. In this study we have tracked by mass spectrometry how palmitic acid from the adipocytes is released to media being later incorporated in different breast cancer cell lines (MDA-MB-231, SKBR3, BT474, MCF-7 and its resistant MCF-7 EPIR and MCF-7 TAXR). We have observed that different lines metabolize the palmitic acid in a different way and use their carbons in the synthesis of different new lipid families. Furthermore, we have observed that the lipid synthesis pattern varied according to the cell line. Surprisingly, the metabolic pattern of the resistant cells was more related to the TNBC cell line compared to their sensitive cell line MCF-7. These results allow us to determine a specific lipid pattern in different cell lines that later might be used in breast cancer diagnosis and to find a better treatment according to the cancer molecular type.
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17
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Lee SH, Tseng WC, Du ZY, Lin WY, Chen MH, Lin CC, Lien GW, Liang HJ, Wen HJ, Guo YL, Chen PC, Lin CY. Lipid responses to environmental perfluoroalkyl substance exposure in a Taiwanese Child cohort. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 283:117007. [PMID: 33845286 DOI: 10.1016/j.envpol.2021.117007] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Revised: 03/03/2021] [Accepted: 03/21/2021] [Indexed: 06/12/2023]
Abstract
Although recent epidemiologic studies have focused on some of the health effects of perfluoroalkyl substance (PFASs) exposure in humans, the associations between PFASs exposure and the lipidome in children are still unclear. The purpose of this study was to assess lipid changes in children to understand possible molecular events of environmental PFASs exposure and suggest potential health effects. A total of 290 Taiwanese children (8-10 years old) were included in this study. Thirteen PFASs were analyzed in their serum by high-performance liquid chromatography-tandem mass spectrometry (LC-MS). MS-based lipidomic approaches were applied to examine lipid patterns in the serum of children exposed to different levels of PFASs. LC coupling with triple quadrupole MS technology was conducted to analyze phosphorylcholine-containing lipids. Multivariate analyses, such as partial least squares analysis along with univariate analyses, including multiple linear regression, were used to analyze associations between s exposure and unique lipid patterns. Our results showed that different lipid patterns were discovered in children exposed to different levels of specific PFASs, such as PFTrDA, PFOS, and PFDA. These changes in lipid levels may be involved in hepatic lipid metabolism, metabolic disorders, and PFASs-membrane interactions. This study showed that lipidomics is a powerful approach to identify critical PFASs that cause metabolite perturbation in the serum of children and suggest possible adverse health effects of these chemicals in children.
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Affiliation(s)
- Sheng-Han Lee
- Institute of Environmental and Occupational Health Sciences, College of Public Health, National Taiwan University, Taipei, Taiwan
| | - Wei-Chen Tseng
- Institute of Environmental and Occupational Health Sciences, College of Public Health, National Taiwan University, Taipei, Taiwan
| | - Zhi-Yi Du
- Institute of Environmental and Occupational Health Sciences, College of Public Health, National Taiwan University, Taipei, Taiwan
| | - Wan-Yu Lin
- Institute of Epidemiology and Preventive Medicine, College of Public Health, National Taiwan University, Taipei, Taiwan; Department of Public Health, College of Public Health, National Taiwan University, Taipei, Taiwan
| | - Mei-Huei Chen
- Institute of Population Health Sciences, National Health Research Institutes, Miaoli, Taiwan; Department of Pediatrics, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei, Taiwan
| | - Ching-Chun Lin
- Institute of Environmental and Occupational Health Sciences, College of Public Health, National Taiwan University, Taipei, Taiwan
| | - Guang-Wen Lien
- Institute of Environmental and Occupational Health Sciences, College of Public Health, National Taiwan University, Taipei, Taiwan
| | - Hao-Jan Liang
- Institute of Environmental and Occupational Health Sciences, College of Public Health, National Taiwan University, Taipei, Taiwan
| | - Hui-Ju Wen
- National Institute of Environmental Health Sciences, National Health Research Institutes, Miaoli, Taiwan
| | - Yue-Leon Guo
- Institute of Environmental and Occupational Health Sciences, College of Public Health, National Taiwan University, Taipei, Taiwan; Department of Public Health, College of Public Health, National Taiwan University, Taipei, Taiwan; Department of Environmental and Occupational Medicine, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei, Taiwan; National Institute of Environmental Health Sciences, National Health Research Institutes, Miaoli, Taiwan
| | - Pau-Chung Chen
- Institute of Environmental and Occupational Health Sciences, College of Public Health, National Taiwan University, Taipei, Taiwan; Department of Public Health, College of Public Health, National Taiwan University, Taipei, Taiwan; Department of Environmental and Occupational Medicine, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei, Taiwan; Office of Occupational Safety and Health, National Taiwan University Hospital, Taipei, Taiwan; Innovation and Policy Center for Population Health and Sustainable Environment, National Taiwan University College of Public Health, Taipei, Taiwan
| | - Ching-Yu Lin
- Institute of Environmental and Occupational Health Sciences, College of Public Health, National Taiwan University, Taipei, Taiwan; Department of Public Health, College of Public Health, National Taiwan University, Taipei, Taiwan.
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18
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Jové M, Mota-Martorell N, Torres P, Portero-Otin M, Ferrer I, Pamplona R. New insights into human prefrontal cortex aging with a lipidomics approach. Expert Rev Proteomics 2021; 18:333-344. [PMID: 34098823 DOI: 10.1080/14789450.2021.1940142] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
INTRODUCTION Human prefrontal cortex (hPFC) is a recent evolutionarily developed brain region involved in cognitive functions. Human cognitive functions decline during aging. Yet the molecular mechanisms underlying the functional deterioration of the neural cells of this brain region still remain to be fully described. AREAS COVERED In this review, we explore the role of lipids in hPFC aging. Firstly, we briefly consider the approaches used to identify lipid species in brain tissue with special attention paid to a lipidomics analysis. Then, as the evolution process has conferred a specific lipid profile on the hPFC, we consider the lipidome of hPFC. In addition, the role of lipids in hPFC aging, and in particular, the cognitive decline associated with aging, is discussed. Finally, nutritional and pharmacological interventions designed to modulate this process are examined. It is suggested that the dysfunction of key cellular processes secondarily to the damage of lipid membrane underlies the cognitive decline of hPFC during aging. EXPERT OPINION Lipidomics methods are and will continue to be key tools in the effort to gain additional insights into the aging of the human brain.
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Affiliation(s)
- Mariona Jové
- Department of Experimental Medicine, University of Lleida-Lleida Biomedical Research Institute (Udl-irblleida), Lleida, Spain
| | - Natalia Mota-Martorell
- Department of Experimental Medicine, University of Lleida-Lleida Biomedical Research Institute (Udl-irblleida), Lleida, Spain
| | - Pascual Torres
- Department of Experimental Medicine, University of Lleida-Lleida Biomedical Research Institute (Udl-irblleida), Lleida, Spain
| | - Manuel Portero-Otin
- Department of Experimental Medicine, University of Lleida-Lleida Biomedical Research Institute (Udl-irblleida), Lleida, Spain
| | - Isidre Ferrer
- Department of Pathology and Experimental Therapeutics, University of Barcelona; Bellvitge University Hospital, L'Hospitalet de Llobregat, Barcelona, Spain.,Center for Biomedical Research on Neurodegenerative Diseases (CIBERNED), ISCIII, Madrid, Spain
| | - Reinald Pamplona
- Department of Experimental Medicine, University of Lleida-Lleida Biomedical Research Institute (Udl-irblleida), Lleida, Spain
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19
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High-coverage lipidomics for functional lipid and pathway analyses. Anal Chim Acta 2020; 1147:199-210. [PMID: 33485579 DOI: 10.1016/j.aca.2020.11.024] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Revised: 11/10/2020] [Accepted: 11/18/2020] [Indexed: 12/19/2022]
Abstract
Rapid advances in front-end separation approaches and analytical technologies have accelerated the development of lipidomics, particularly in terms of increasing analytical coverage to encompass an expanding repertoire of lipids within a single analytical approach. Developments in lipid pathway analysis, however, have somewhat lingered behind, primarily due to (1) the lack of coherent alignment between lipid identifiers in common databases versus that generated from experiments, owing to the differing structural resolution of lipids at molecular level that is specific to the analytical approaches adopted by various laboratories; (2) the immense complexity of lipid metabolic relationships that may entail head group changes, fatty acyls modifications of various forms (e.g. elongation, desaturation, oxidation), as well as active remodeling that demands a multidimensional, panoramic view to take into account all possibilities in lipid pathway analyses. Herein, we discuss current efforts undertaken to address these challenges, as well as alternative form of "pathway analyses" that may be particularly useful for uncovering functional lipid interactions under different biological contexts. Consolidating lipid pathway analyses will be indispensable in facilitating the transition of lipidomics from its prior role of phenotype validation to a hypothesis-generating tool that uncovers novel molecular targets to drive downstream mechanistic pursuits under biomedical settings.
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Benke PI, Burla B, Ekroos K, Wenk MR, Torta F. Impact of ion suppression by sample cap liners in lipidomics. Anal Chim Acta 2020; 1137:136-142. [PMID: 33153597 DOI: 10.1016/j.aca.2020.09.055] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2020] [Revised: 09/14/2020] [Accepted: 09/25/2020] [Indexed: 11/16/2022]
Abstract
Contamination from the polymeric material released by vial caps used for sample introduction in liquid chromatography can significantly affect the signal of the analyte of interest. In particular, repeated injections from the same sample vial can enhance this suppressing effect. Multiple injections of the same sample are often used in metabolomics and lipidomics during routine analyses. Here we demonstrate how the presence of contaminant polymers, originating from the vial closures, significantly influences the estimation of the relative amount of endogenous lipids in human plasma. Furthermore, this can negatively impact other operations in mass spectrometric analysis, such as instrument equilibration and tuning or the common use of technical replicates to improve confidence in data interpretation. Our observations provide critical information on how to improve future analyses through the use of appropriate vial caps, solvents, chromatographic separations and equipment.
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Affiliation(s)
- Peter I Benke
- Singapore Lipidomics Incubator, Department of Biochemistry, Life Sciences Institute and Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - Bo Burla
- Singapore Lipidomics Incubator, Life Sciences Institute, National University of Singapore, Singapore
| | - Kim Ekroos
- Lipidomics Consulting Ltd, Irisviksvägen 31D, 02230, Esbo, Finland
| | - Markus R Wenk
- Singapore Lipidomics Incubator, Department of Biochemistry, Life Sciences Institute and Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - Federico Torta
- Singapore Lipidomics Incubator, Department of Biochemistry, Life Sciences Institute and Yong Loo Lin School of Medicine, National University of Singapore, Singapore.
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21
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Luque de Castro M, Quiles-Zafra R. Lipidomics: An omics discipline with a key role in nutrition. Talanta 2020; 219:121197. [DOI: 10.1016/j.talanta.2020.121197] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2020] [Revised: 05/16/2020] [Accepted: 05/19/2020] [Indexed: 12/14/2022]
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22
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Guo R, Chen Y, Borgard H, Jijiwa M, Nasu M, He M, Deng Y. The Function and Mechanism of Lipid Molecules and Their Roles in The Diagnosis and Prognosis of Breast Cancer. Molecules 2020; 25:E4864. [PMID: 33096860 PMCID: PMC7588012 DOI: 10.3390/molecules25204864] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2020] [Revised: 10/18/2020] [Accepted: 10/19/2020] [Indexed: 12/12/2022] Open
Abstract
Lipids are essential components of cell structure and play important roles in signal transduction between cells and body metabolism. With the continuous development and innovation of lipidomics technology, many studies have shown that the relationship between lipids and cancer is steadily increasing, involving cancer occurrence, proliferation, migration, and apoptosis. Breast cancer has seriously affected the safety and quality of life of human beings worldwide and has become a significant public health problem in modern society, with an especially high incidence among women. Therefore, the issue has inspired scientific researchers to study the link between lipids and breast cancer. This article reviews the research progress of lipidomics, the biological characteristics of lipid molecules, and the relationship between some lipids and cancer drug resistance. Furthermore, this work summarizes the lipid molecules related to breast cancer diagnosis and prognosis, and then it clarifies their impact on the occurrence and development of breast cancer The discussion revolves around the current research hotspot long-chain non-coding RNAs (lncRNAs), summarizes and explains their impact on tumor lipid metabolism, and provides more scientific basis for future cancer research studies.
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Affiliation(s)
- Rui Guo
- School of Public Health, Guangxi Medical University, 22 Shuangyong Rd, Qingxiu District, Nanning 530021, China;
- Department of Quantitative Health Sciences, University of Hawaii John A. Burns School of Medicine, 651 Ilalo Street, Honolulu, HI 96813, USA; (Y.C.); (H.B.); (M.J.); (M.N.)
| | - Yu Chen
- Department of Quantitative Health Sciences, University of Hawaii John A. Burns School of Medicine, 651 Ilalo Street, Honolulu, HI 96813, USA; (Y.C.); (H.B.); (M.J.); (M.N.)
- Department of Molecular Biosciences and Bioengineering, College of Tropical Agriculture and Human Resources, University of Hawaii at Manoa,1955 East West Road, Agricultural Sciences, Honolulu, HI 96822, USA
| | - Heather Borgard
- Department of Quantitative Health Sciences, University of Hawaii John A. Burns School of Medicine, 651 Ilalo Street, Honolulu, HI 96813, USA; (Y.C.); (H.B.); (M.J.); (M.N.)
| | - Mayumi Jijiwa
- Department of Quantitative Health Sciences, University of Hawaii John A. Burns School of Medicine, 651 Ilalo Street, Honolulu, HI 96813, USA; (Y.C.); (H.B.); (M.J.); (M.N.)
| | - Masaki Nasu
- Department of Quantitative Health Sciences, University of Hawaii John A. Burns School of Medicine, 651 Ilalo Street, Honolulu, HI 96813, USA; (Y.C.); (H.B.); (M.J.); (M.N.)
| | - Min He
- School of Public Health, Guangxi Medical University, 22 Shuangyong Rd, Qingxiu District, Nanning 530021, China;
| | - Youping Deng
- Department of Quantitative Health Sciences, University of Hawaii John A. Burns School of Medicine, 651 Ilalo Street, Honolulu, HI 96813, USA; (Y.C.); (H.B.); (M.J.); (M.N.)
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23
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Gong M, Wei W, Hu Y, Jin Q, Wang X. Structure determination of conjugated linoleic and linolenic acids. J Chromatogr B Analyt Technol Biomed Life Sci 2020; 1153:122292. [PMID: 32755819 DOI: 10.1016/j.jchromb.2020.122292] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Revised: 07/23/2020] [Accepted: 07/27/2020] [Indexed: 12/14/2022]
Abstract
Conjugated linoleic and linolenic acids (CLA and CLnA) can be found in dairy, ruminant meat and oilseeds, these types of unsaturated fatty acids consist of various positional and geometrical isomers, and have demonstrated health-promoting potential for human beings. Extensive reviews have reported the physiological effects of CLA, CLnA, while little is known regarding their isomer-specific effects. However, the isomers are difficult to identify, owing to (i) the similar retention time in common chromatographic methods; and (ii) the isomers are highly sensitive to high temperature, pH changes, and oxidation. The uncertainties in molecular structure have hindered investigations on the physiological effects of CLA and CLnA. Therefore, this review presents a summary of the currently available technologies for the structural determination of CLA and CLnA, including the presence confirmation, double bond position determination, and the potential stereo-isomer determination. Special focus has been projected to the novel techniques for structure determination of CLA and CLnA. Some possible future directions are also proposed.
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Affiliation(s)
- Mengyue Gong
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, PR China
| | - Wei Wei
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, PR China
| | - Yulin Hu
- Department of Chemical and Biochemical Engineering, University of Western Ontario, London, Ontario N6A 3K7, Canada
| | - Qingzhe Jin
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, PR China
| | - Xingguo Wang
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, PR China.
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24
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Kartsoli S, Kostara CE, Tsimihodimos V, Bairaktari ET, Christodoulou DK. Lipidomics in non-alcoholic fatty liver disease. World J Hepatol 2020; 12:436-450. [PMID: 32952872 PMCID: PMC7475773 DOI: 10.4254/wjh.v12.i8.436] [Citation(s) in RCA: 64] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Revised: 06/03/2020] [Accepted: 06/20/2020] [Indexed: 02/06/2023] Open
Abstract
Non-alcoholic fatty liver disease (NAFLD), the most common chronic liver disorder in Western countries, comprises steatosis to nonalcoholic steatohepatitis (NASH), with the latter having the potential to progress to cirrhosis. The transition from isolated steatosis to NASH is still poorly understood, but lipidomics approach revealed that the hepatic lipidome is extensively altered in the setting of steatosis and steatohepatitis and these alterations correlate with disease progression. Recent data suggest that both quantity and quality of the accumulated lipids are involved in pathogenesis of NAFLD. Changes in glycerophospholipid, sphingolipid, and fatty acid composition have been described in both liver biopsies and plasma of patients with NAFLD, implicating that specific lipid species are involved in oxidative stress, inflammation, and cell death. In this article, we summarize the findings of main human lipidomics studies in NAFLD and delineate the currently available information on the pathogenetic role of each lipid class in lipotoxicity and disease progression.
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Affiliation(s)
- Sofia Kartsoli
- Department of Gastroenterology, School of Health Sciences, Faculty of Medicine, University of Ioannina, Ioannina 45110, Greece
| | - Christina E Kostara
- Laboratory of Clinical Chemistry, School of Health Sciences, Faculty of Medicine, University of Ioannina, Ioannina 45110, Greece
| | - Vasilis Tsimihodimos
- Department of Internal Medicine, School of Health Sciences, Faculty of Medicine, University of Ioannina, Ioannina 45110, Greece
| | - Eleni T Bairaktari
- Laboratory of Clinical Chemistry, School of Health Sciences, Faculty of Medicine, University of Ioannina, Ioannina 45110, Greece
| | - Dimitrios K Christodoulou
- Department of Gastroenterology, School of Health Sciences, Faculty of Medicine, University of Ioannina, Ioannina 45110, Greece
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25
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El Rabey HA, Al-Sieni AI, Al-Seeni MN, Alsieni MA, Alalawy AI, Almutairi FM. The antioxidant and antidiabetic activity of the Arabian balsam tree “Commiphora gileadensis” in hyperlipidaemic male rats. JOURNAL OF TAIBAH UNIVERSITY FOR SCIENCE 2020. [DOI: 10.1080/16583655.2020.1780020] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Affiliation(s)
- Haddad A. El Rabey
- Biochemistry Department, Faculty of Science, University of Tabuk, Tabuk, Saudi Arabia
- Bioinformatics Department, Genetic Engineering and Biotechnology Research Institute, University of Sadat City, Sadat City, Egypt
| | - Abdulbasit I. Al-Sieni
- Biochemistry Department, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Madeha N. Al-Seeni
- Biochemistry Department, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Mohammed A. Alsieni
- Pharmacology Department, Faculty of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Adel I. Alalawy
- Biochemistry Department, Faculty of Science, University of Tabuk, Tabuk, Saudi Arabia
| | - Fahad M. Almutairi
- Biochemistry Department, Faculty of Science, University of Tabuk, Tabuk, Saudi Arabia
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26
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Zhang W, Zhao H, Chen J, Zhong X, Zeng W, Zhang B, Qi K, Li Z, Zhou J, Shi L, He Z, Tang S. A LCMS-based untargeted lipidomics analysis of cleft palate in mouse. Mech Dev 2020; 162:103609. [PMID: 32407762 DOI: 10.1016/j.mod.2020.103609] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2019] [Revised: 04/10/2020] [Accepted: 04/15/2020] [Indexed: 02/05/2023]
Abstract
BACKGROUND Recent studies have shown that lipid metabolism was abnormal during the formation of cleft palate. However, the composition of these lipid species remains unclear. OBJECTIVE Aims of this study were to identify the lipid species components and reveal the key lipid metabolic disorders in cleft palate formation. METHODS The pregnant mice were divided into experimental group exposed to all-trans retinoic acid (RA-treated group) (n = 12) and control group (n = 12) at embryonic gestation day 10.5 (E0.5). The component of the palatal tissue metabolome was analyzed using a LCMS-based nontargeted lipidomics approach. Multivariate statistical analysis was then carried out to assess the differences between the RA-treated group and the control group. RESULTS Twenty-nine lipid species were found to discriminate between RA-treated and control embryos. Among them, 28 lipid species increased and 1 lipid species decreased in the RA-treated group. Among these lipids, 13 were triglycerides, 9 were PEs, 3 were PCs, 2 were PSs, 2 were DGs. Further analysis of the number of carbons and unsaturated bond of triglycerides showed that TGs with high unsaturated bonds constituted a higher fraction in the RA-treated group. A higher amount of triglycerides containing 52, 54, 56, 58, 60 carbons, and 1 to 8 unsaturated bonds. Of note, under RA treatment, TG 50:1, 52:2, 56:6and 60:8 became the most prominent. CONCLUSION Lipid metabolism is significantly different in the formation of cleft palate induced by RA, and the unsaturated triglycerides increased in the RA-treated group may play an important role in the formation of cleft palate.
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Affiliation(s)
- Wancong Zhang
- Department of Plastic Surgery and Burn Center, Second Affiliated Hospital, Shantou University Medical College, Shantou, Guangdong, China
| | - Hanxing Zhao
- Department of Plastic Surgery and Burn Center, Second Affiliated Hospital, Shantou University Medical College, Shantou, Guangdong, China
| | - Jiasheng Chen
- Department of Plastic Surgery and Burn Center, Second Affiliated Hospital, Shantou University Medical College, Shantou, Guangdong, China
| | - Xiaoping Zhong
- Department of Plastic Surgery and Burn Center, Second Affiliated Hospital, Shantou University Medical College, Shantou, Guangdong, China
| | - Weiping Zeng
- Department of Plastic Surgery and Burn Center, Second Affiliated Hospital, Shantou University Medical College, Shantou, Guangdong, China
| | - Bingna Zhang
- Research Center of Translational Medicine, Second Affiliated Hospital of Shantou University Medical College, Shantou, Guangdong, China
| | - Kai Qi
- Shanghai Applied Protein Technology Co., Ltd, Shanghai, China
| | - Zhonglei Li
- Department of Plastic Surgery and Burn Center, Second Affiliated Hospital, Shantou University Medical College, Shantou, Guangdong, China
| | - Jianda Zhou
- Department of Plastic and Reconstructive Surgery, Central South University Third Xiangya Hospital, Changsha, Hunan, China
| | - Lungang Shi
- Department of Plastic Surgery and Burn Center, Second Affiliated Hospital, Shantou University Medical College, Shantou, Guangdong, China
| | - Zhihao He
- Department of Plastic Surgery and Burn Center, Second Affiliated Hospital, Shantou University Medical College, Shantou, Guangdong, China
| | - Shijie Tang
- Department of Plastic Surgery and Burn Center, Second Affiliated Hospital, Shantou University Medical College, Shantou, Guangdong, China.
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Miletić Vukajlović J, Drakulić D, Pejić S, Ilić TV, Stefanović A, Petković M, Schiller J. Increased plasma phosphatidylcholine/lysophosphatidylcholine ratios in patients with Parkinson's disease. RAPID COMMUNICATIONS IN MASS SPECTROMETRY : RCM 2020; 34:e8595. [PMID: 31519070 DOI: 10.1002/rcm.8595] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/16/2019] [Revised: 09/03/2019] [Accepted: 09/08/2019] [Indexed: 06/10/2023]
Abstract
RATIONALE Changes in lipid composition might be associated with the onset and progression of various neurodegenerative diseases. Herein, we investigated the changes in the plasma phosphatidylcholine (PC)/lysophosphatidylcholine (LPC) ratios in patients with Parkinson's disease (PD) in comparison with healthy subjects and their correlation with clinico-pathological features. METHODS The study included 10 controls and 25 patients with PD. All patients were assigned to groups based on clinico-pathological characteristics (gender, age at examination, duration of disease and Hoehn and Yahr (H&Y) stage). The analysis of the PC/LPC intensity ratios in plasma lipid extracts was performed using matrix-assisted laser desorption/ionization time-of-flight mass spectrometry. RESULTS PD patients exhibited an increased PC/LPC intensity ratio in comparison with the control group of healthy subjects. Furthermore, the investigated ratio was shown to be correlated with clinico-pathological parameters, in particular with H&Y stage and disease duration. The PC/LPC intensity ratio in plasma samples of PD patients was found to be elevated in all examined H&Y stages and throughout the disease duration. CONCLUSIONS To our knowledge, this is the first study examining the PC/LPC ratios in plasma of patients with PD and illustrating their correlation with clinico-pathological features. Although the presented results may be considered as preliminary due to the limited number of participants, the observed alterations of PC/LPC ratios in plasma might be a first step in the characterization of plasma lipid changes in PD patients and an indicator of lipid reconfiguration.
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Affiliation(s)
- Jadranka Miletić Vukajlović
- Department of Physical Chemistry, VINČA Institute of Nuclear Sciences - University of Belgrade, Belgrade, Republic of Serbia
| | - Dunja Drakulić
- Department of Molecular Biology and Endocrinology, VINČA Institute of Nuclear Sciences - University of Belgrade, Belgrade, Republic of Serbia
| | - Snežana Pejić
- Department of Molecular Biology and Endocrinology, VINČA Institute of Nuclear Sciences - University of Belgrade, Belgrade, Republic of Serbia
| | - Tihomir V Ilić
- Medical Faculty of Medical Military Academy, Clinic of Neurology, University of Defense, Belgrade, Republic of Serbia
| | - Aleksandra Stefanović
- Department of Medical Biochemistry, Faculty of Pharmacy - University of Belgrade, Belgrade, Republic of Serbia
| | - Marijana Petković
- Madeira Chemistry Research Centre, University of Madeira, Funchal, Portugal
- Department of Atomic Physics, VINČA Institute of Nuclear Sciences - University of Belgrade, Belgrade, Republic of Serbia
| | - Jürgen Schiller
- Institute of Medical Physics and Biophysics, Medical Department, University of Leipzig, Leipzig, Germany
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28
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Geng C, Qiao Y, Guo Y, Han W, Wu B, Wang C, Zhang J, Chen D, Yang M, Jiang P. Integrated metabolomics and lipidomics profiling of hippocampus reveal metabolite biomarkers in a rat model of chronic unpredictable mild stress-induced depression. ANNALS OF TRANSLATIONAL MEDICINE 2019; 7:781. [PMID: 32042797 DOI: 10.21037/atm.2019.11.21] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Background Prolonged exposure to stress triggers depression, threatening human health. Thus, to thoroughly understand the underlying pathophysiologic mechanism of chronic unpredictable mild stress (CUMS)-induced depression is urgently needed. Ultra-high-performance liquid chromatography-mass spectroscopy (UPLC-MS)-based lipidomic and metabolomic approaches has been used for discovering metabolite biomarkers to develop new diagnostic and therapeutic means. Thus, our study aimed to conduct integrated metabolomics and lipidomics to identify metabolites and lipids biomarkers in the hippocampus in rat models of CUMS-induced depression. Methods Twelve eight-week-old male Sprague-Dawley rats (weight 210±30 g) were randomly distributed to one of the following two groups (n=6): control or CUMS. Established UPLC-MS-based lipidomic and metabolomic approaches were used to determine the metabolites and lipids in the hippocampus of rats. SICMA-P and GraphPad software were performed to discover potential metabolites and lipids biomarkers in the hippocampus of rats between the two groups. Results A total of 35 potential metabolites and 171 lipids were identified and found to be mainly related to amino acid and lipid metabolism. These metabolites were involved in different metabolic pathways and connected to each other, which might participate in the occurrence and development of depression. Conclusions Our findings underlined the metabolites, lipids and metabolic pathways that were changed in the hippocampus in CUMS compared to the controls, providing novel insights in the metabolism in the hippocampus of rats and revealing the new lipid-related targets.
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Affiliation(s)
- Chunmei Geng
- Institute of Clinical Pharmacy & Pharmacology, Jining First People's Hospital, Jining Medical University, Jining 272011, China
| | - Yi Qiao
- Department of Public Health, Jining Medical University, Jining 272011, China
| | - Yujin Guo
- Institute of Clinical Pharmacy & Pharmacology, Jining First People's Hospital, Jining Medical University, Jining 272011, China
| | - Wenxiu Han
- Institute of Clinical Pharmacy & Pharmacology, Jining First People's Hospital, Jining Medical University, Jining 272011, China
| | - Bin Wu
- Department of Gynecology, Taian City Central Hospital, Taian 271000, China
| | - Changshui Wang
- Institute of Clinical Pharmacy & Pharmacology, Jining First People's Hospital, Jining Medical University, Jining 272011, China
| | - Jun Zhang
- Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450000, China
| | - Dan Chen
- Institute of Clinical Pharmacy & Pharmacology, Jining First People's Hospital, Jining Medical University, Jining 272011, China
| | - Mengqi Yang
- Institute of Clinical Pharmacy & Pharmacology, Jining First People's Hospital, Jining Medical University, Jining 272011, China
| | - Pei Jiang
- Institute of Clinical Pharmacy & Pharmacology, Jining First People's Hospital, Jining Medical University, Jining 272011, China
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29
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Kune C, McCann A, Raphaël LR, Arias AA, Tiquet M, Van Kruining D, Martinez PM, Ongena M, Eppe G, Quinton L, Far J, De Pauw E. Rapid Visualization of Chemically Related Compounds Using Kendrick Mass Defect As a Filter in Mass Spectrometry Imaging. Anal Chem 2019; 91:13112-13118. [DOI: 10.1021/acs.analchem.9b03333] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Christopher Kune
- Mass Spectrometry Laboratory, MolSys Research Unit, University of Liège, Liège, Belgium
| | - Andréa McCann
- Mass Spectrometry Laboratory, MolSys Research Unit, University of Liège, Liège, Belgium
| | - La Rocca Raphaël
- Mass Spectrometry Laboratory, MolSys Research Unit, University of Liège, Liège, Belgium
| | - Anthony Arguelles Arias
- Microbial Processes and Interactions, Gembloux Agro-Bio Tech, TERRA Teaching and Research Centre, University of Liege, Gembloux, Belgium
| | - Mathieu Tiquet
- Mass Spectrometry Laboratory, MolSys Research Unit, University of Liège, Liège, Belgium
| | - Daan Van Kruining
- Department of Psychiatry and Neuropsychology, School for Mental Health and Neuroscience, Maastricht University, Maastricht, The Netherlands
| | - Pilar Martinez Martinez
- Department of Psychiatry and Neuropsychology, School for Mental Health and Neuroscience, Maastricht University, Maastricht, The Netherlands
| | - Marc Ongena
- Microbial Processes and Interactions, Gembloux Agro-Bio Tech, TERRA Teaching and Research Centre, University of Liege, Gembloux, Belgium
| | - Gauthier Eppe
- Mass Spectrometry Laboratory, MolSys Research Unit, University of Liège, Liège, Belgium
| | - Loïc Quinton
- Mass Spectrometry Laboratory, MolSys Research Unit, University of Liège, Liège, Belgium
| | - Johann Far
- Mass Spectrometry Laboratory, MolSys Research Unit, University of Liège, Liège, Belgium
| | - Edwin De Pauw
- Mass Spectrometry Laboratory, MolSys Research Unit, University of Liège, Liège, Belgium
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30
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Montani DA, Braga DPDAF, Borges E, Camargo M, Cordeiro FB, Pilau EJ, Gozzo FC, Fraietta R, Lo Turco EG. Understanding mechanisms of oocyte development by follicular fluid lipidomics. J Assist Reprod Genet 2019; 36:1003-1011. [PMID: 31011990 DOI: 10.1007/s10815-019-01428-7] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2018] [Accepted: 02/22/2019] [Indexed: 12/22/2022] Open
Abstract
PURPOSE The present study aimed to provide a non-invasive approach to studying mechanisms responsible for oocyte development. METHODS To this end, follicular fluid (FF) from 62 patients undergoing in vitro fertilization (IVF) cycles was split into two groups depending on the pregnancy outcome: pregnant (n = 28) and non-pregnant (n = 34) groups. Data were acquired by the MALDI-TOF mass spectrometry. Principal component analysis (PCA) and orthogonal partial least squares discriminant analysis (OPLS-DA) were applied to the data set. A ROC curve, to predict success rate, was constructed, and the lipids were attributed. RESULTS Six ions were differentially represented in FF of pregnant and non-pregnant patients, with an area under the curve of 0.962. Phosphatidic acid, phosphatidylglycerol, and triacylglycerol were hyper-represented in the pregnant group, while glucosylceramide was hyper-represented in the non-pregnant group. Enriched functions related to these lipids are steroidogenesis, cellular response, signal transduction, cell cycle, and activation of protein kinase C for the pregnant group and apoptosis inhibition for the non-pregnant group. CONCLUSION Human FF fingerprinting can both improve the understanding concerning mechanisms responsible for oocyte development and its effect on embryo implantation potential and assist in the management of IVF cycles.
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Affiliation(s)
- Daniela Antunes Montani
- Department of Surgery, Division of Urology, Human Reproduction Section, Sao Paulo Federal University, Rua Embau, 231, CEP: 04039-060, Sao Paulo, SP, Brazil
| | - Daniela Paes de Almeida Ferreira Braga
- Department of Surgery, Division of Urology, Human Reproduction Section, Sao Paulo Federal University, Rua Embau, 231, CEP: 04039-060, Sao Paulo, SP, Brazil. .,Fertility Medical Group, Av. Brigadeiro Luiz Antônio, 4545, CEP: 04511-010, Sao Paulo, SP, Brazil.
| | - Edson Borges
- Fertility Medical Group, Av. Brigadeiro Luiz Antônio, 4545, CEP: 04511-010, Sao Paulo, SP, Brazil
| | - Mariana Camargo
- Department of Surgery, Division of Urology, Human Reproduction Section, Sao Paulo Federal University, Rua Embau, 231, CEP: 04039-060, Sao Paulo, SP, Brazil
| | - Fernanda Bertuccez Cordeiro
- Department of Surgery, Division of Urology, Human Reproduction Section, Sao Paulo Federal University, Rua Embau, 231, CEP: 04039-060, Sao Paulo, SP, Brazil.,Laboratorio para Investigaciones Biomédicas, Escuela Superior Politécnica del Litoral, ESPOL, Km. 30.5 Via Perimetral, CEP: 09-01-5863, Guayaquil, Ecuador
| | - Eduardo Jorge Pilau
- Department of Chemistry, Maringa State University, Avenida Colombo, 5790, CEP: 87020-900, Maringá, PR, Brazil
| | - Fábio Cesar Gozzo
- Institute of Chemistry, University of Campinas, R. Josué de Castro, 126, CEP: 13083-861, Campinas, SP, Brazil
| | - Renato Fraietta
- Department of Surgery, Division of Urology, Human Reproduction Section, Sao Paulo Federal University, Rua Embau, 231, CEP: 04039-060, Sao Paulo, SP, Brazil
| | - Edson Guimarães Lo Turco
- Department of Surgery, Division of Urology, Human Reproduction Section, Sao Paulo Federal University, Rua Embau, 231, CEP: 04039-060, Sao Paulo, SP, Brazil
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31
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Meital LT, Windsor MT, Ramirez Jewell RML, Young P, Schulze K, Magee R, O'Donnell J, Jha P, Perissiou M, Golledge J, Bailey TG, Brooks P, Askew CD, Russell FD. n-3 PUFAs improve erythrocyte fatty acid profile in patients with small AAA: a randomized controlled trial. J Lipid Res 2019; 60:1154-1163. [PMID: 30914500 DOI: 10.1194/jlr.p093013] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2019] [Revised: 03/06/2019] [Indexed: 12/23/2022] Open
Abstract
Abdominal aortic aneurysm (AAA) is an important cause of death in older adults, which has no current drug therapy. Inflammation and abnormal redox status are believed to be key pathogenic mechanisms for AAA. In light of evidence correlating inflammation with aberrant fatty acid profiles, this study compared erythrocyte fatty acid content in 43 AAA patients (diameter 3.0-4.5 cm) and 52 healthy controls. In addition, the effect of omega-3 PUFA (n-3 PUFA) supplementation on erythrocyte fatty acid content was examined in a cohort of 30 AAA patients as part of a 12 week randomized placebo-controlled clinical trial. Blood analyses identified associations between AAA and decreased linoleic acid (LA), and AAA and increased Δ6-desaturase activity and biosynthesis of arachidonic acid (AA) from LA. Omega-3 PUFA supplementation (1.5 g DHA + 0.3 g EPA/day) decreased red blood cell distribution width (14.8 ± 0.4% to 13.8 ± 0.2%; P = 0.003) and levels of pro-inflammatory n-6 PUFAs (AA, 12.46 ± 0.23% to 10.14 ± 0.3%, P < 0.001; adrenic acid, 2.12 ± 0.13% to 1.23 ± 0.09%; P < 0.001). In addition, Δ-4 desaturase activity increased (DHA/docosapentaenoic acid ratio, 1.85 ± 0.14 to 3.93 ± 0.17; P < 0.001) and elongase 2/5 activity decreased (adrenic acid/AA ratio, 0.17 ± 0.01 to 0.12 ± 0.01; P < 0.01) following supplementation. The findings suggest that n-3 PUFAs improve fatty acid profiles and ameliorate factors associated with inflammation in AAA patients.
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Affiliation(s)
- Lara T Meital
- GeneCology Research Centre, University of the Sunshine Coast, Queensland, Australia.,VasoActive Research Group, School of Health and Sport Sciences University of the Sunshine Coast, Queensland, Australia
| | - Mark T Windsor
- VasoActive Research Group, School of Health and Sport Sciences University of the Sunshine Coast, Queensland, Australia
| | | | - Peter Young
- Technical Services University of the Sunshine Coast, Queensland, Australia
| | - Karl Schulze
- Sunshine Vascular, Buderim, Queensland, Australia
| | - Rebecca Magee
- Sunshine Coast University Hospital Birtinya, Queensland, Australia
| | - Jill O'Donnell
- VasoActive Research Group, School of Health and Sport Sciences University of the Sunshine Coast, Queensland, Australia
| | - Pankaj Jha
- VasoActive Research Group, School of Health and Sport Sciences University of the Sunshine Coast, Queensland, Australia
| | - Maria Perissiou
- VasoActive Research Group, School of Health and Sport Sciences University of the Sunshine Coast, Queensland, Australia
| | - Jonathan Golledge
- Queensland Research Centre for Peripheral Vascular Disease College of Medicine and Dentistry, James Cook University and Department of Vascular and Endovascular Surgery, Townsville Hospital, Townsville, Australia; and
| | - Tom G Bailey
- VasoActive Research Group, School of Health and Sport Sciences University of the Sunshine Coast, Queensland, Australia.,Centre for Research on Exercise, Physical Activity, and Health, School of Human Movement and Nutrition Sciences, University of Queensland, Queensland, Australia
| | - Peter Brooks
- Centre for Genetics, Ecology, and Physiology, School of Science and Engineering University of the Sunshine Coast, Queensland, Australia
| | - Christopher D Askew
- VasoActive Research Group, School of Health and Sport Sciences University of the Sunshine Coast, Queensland, Australia
| | - Fraser D Russell
- GeneCology Research Centre, University of the Sunshine Coast, Queensland, Australia .,VasoActive Research Group, School of Health and Sport Sciences University of the Sunshine Coast, Queensland, Australia
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32
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Zhang W, Zhang D, Chen Q, Wu J, Ouyang Z, Xia Y. Online photochemical derivatization enables comprehensive mass spectrometric analysis of unsaturated phospholipid isomers. Nat Commun 2019; 10:79. [PMID: 30622271 PMCID: PMC6325166 DOI: 10.1038/s41467-018-07963-8] [Citation(s) in RCA: 124] [Impact Index Per Article: 24.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2018] [Accepted: 11/30/2018] [Indexed: 11/09/2022] Open
Abstract
Mass spectrometry-based lipidomics is the primary tool for the structural analysis of lipids but the effective localization of carbon-carbon double bonds (C=C) in unsaturated lipids to distinguish C=C location isomers remains challenging. Here, we develop a large-scale lipid analysis platform by coupling online C=C derivatization through the Paternò-Büchi reaction with liquid chromatography-tandem mass spectrometry. This provides rich information on lipid C=C location isomers, revealing C=C locations for more than 200 unsaturated glycerophospholipids in bovine liver among which we identify 55 groups of C=C location isomers. By analyzing tissue samples of patients with breast cancer and type 2 diabetes plasma samples, we find that the ratios of C=C isomers are much less affected by interpersonal variations than their individual abundances, suggesting that isomer ratios may be used for the discovery of lipid biomarkers.
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Affiliation(s)
- Wenpeng Zhang
- MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Department of Chemistry and State Key Laboratory of Precision Measurement Technology and Instruments, Department of Precision Instrument, Tsinghua University, Beijing, 100084, China.,Department of Chemistry, Purdue University, West Lafayette, Indiana, 47907, USA
| | - Donghui Zhang
- MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Department of Chemistry and State Key Laboratory of Precision Measurement Technology and Instruments, Department of Precision Instrument, Tsinghua University, Beijing, 100084, China
| | - Qinhua Chen
- Affiliated Dongfeng Hospital, Hubei University of Medicine, Shiyan, Hubei Province, 442000, China
| | - Junhan Wu
- MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Department of Chemistry and State Key Laboratory of Precision Measurement Technology and Instruments, Department of Precision Instrument, Tsinghua University, Beijing, 100084, China
| | - Zheng Ouyang
- MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Department of Chemistry and State Key Laboratory of Precision Measurement Technology and Instruments, Department of Precision Instrument, Tsinghua University, Beijing, 100084, China. .,Department of Chemistry, Purdue University, West Lafayette, Indiana, 47907, USA.
| | - Yu Xia
- MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Department of Chemistry and State Key Laboratory of Precision Measurement Technology and Instruments, Department of Precision Instrument, Tsinghua University, Beijing, 100084, China. .,Department of Chemistry, Purdue University, West Lafayette, Indiana, 47907, USA.
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33
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Zhang W, Zhang D, Chen Q, Wu J, Ouyang Z, Xia Y. Online photochemical derivatization enables comprehensive mass spectrometric analysis of unsaturated phospholipid isomers. Nat Commun 2019. [PMID: 30622271 DOI: 10.1038/s41467-01807963-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/25/2023] Open
Abstract
Mass spectrometry-based lipidomics is the primary tool for the structural analysis of lipids but the effective localization of carbon-carbon double bonds (C=C) in unsaturated lipids to distinguish C=C location isomers remains challenging. Here, we develop a large-scale lipid analysis platform by coupling online C=C derivatization through the Paternò-Büchi reaction with liquid chromatography-tandem mass spectrometry. This provides rich information on lipid C=C location isomers, revealing C=C locations for more than 200 unsaturated glycerophospholipids in bovine liver among which we identify 55 groups of C=C location isomers. By analyzing tissue samples of patients with breast cancer and type 2 diabetes plasma samples, we find that the ratios of C=C isomers are much less affected by interpersonal variations than their individual abundances, suggesting that isomer ratios may be used for the discovery of lipid biomarkers.
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Affiliation(s)
- Wenpeng Zhang
- MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Department of Chemistry and State Key Laboratory of Precision Measurement Technology and Instruments, Department of Precision Instrument, Tsinghua University, Beijing, 100084, China
- Department of Chemistry, Purdue University, West Lafayette, Indiana, 47907, USA
| | - Donghui Zhang
- MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Department of Chemistry and State Key Laboratory of Precision Measurement Technology and Instruments, Department of Precision Instrument, Tsinghua University, Beijing, 100084, China
| | - Qinhua Chen
- Affiliated Dongfeng Hospital, Hubei University of Medicine, Shiyan, Hubei Province, 442000, China
| | - Junhan Wu
- MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Department of Chemistry and State Key Laboratory of Precision Measurement Technology and Instruments, Department of Precision Instrument, Tsinghua University, Beijing, 100084, China
| | - Zheng Ouyang
- MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Department of Chemistry and State Key Laboratory of Precision Measurement Technology and Instruments, Department of Precision Instrument, Tsinghua University, Beijing, 100084, China.
- Department of Chemistry, Purdue University, West Lafayette, Indiana, 47907, USA.
| | - Yu Xia
- MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Department of Chemistry and State Key Laboratory of Precision Measurement Technology and Instruments, Department of Precision Instrument, Tsinghua University, Beijing, 100084, China.
- Department of Chemistry, Purdue University, West Lafayette, Indiana, 47907, USA.
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34
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Braga DPDAF, Borges E, Godoy AT, Montani DA, Setti AS, Zanetti BF, Figueira RDCS, Eberlin MN, Lo Turco EG. Lipidomic profile as a noninvasive tool to predict endometrial receptivity. Mol Reprod Dev 2018; 86:145-155. [PMID: 30418697 DOI: 10.1002/mrd.23088] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2018] [Accepted: 11/05/2018] [Indexed: 12/28/2022]
Abstract
For the present study we asked whether the endometrial fluid lipidomic may be a useful approach to predict endometrial receptivity in freeze-all cycles. For this case-control study, endometrial fluid samples were collected from 41 patients undergoing freeze-all cycles. Samples were split depending on the pregnancy outcome: positive group (n = 24) and negative group (n = 17). Data were acquired by the matrix-assisted laser desorption/ionization time-of-flight mass spectrometry. Principal component analysis (PCA) and partial least squares discriminant analysis (PLS-DA) were applied. A list of potential biomarker ion ratios was obtained and the values were used to build a receiver operating characteristic (ROC) curve to predict pregnancy success. The lipid categories were attributed by LIPID MAPS database. Ion ratios were established according to their correlations and used for the analysis. The PCA showed a tendency of separation between the studied groups, whereas the PLS-DA was able to clearly distinguish them. Fifteen ratios (13 hyper-represented in the negative and two hyper-represented in the positive group) were selected according to their importance for model prediction. These ratios were used to build the ROC curve, which presented an area under curve of 84.0% (95%CI: 69.2-97.4%; p = 0.009). These findings suggest that lipidomic profiling of endometrial fluid may be a valuable tool for identifying the time interval comprising the window of implantation.
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Affiliation(s)
- Daniela Paes de Almeida Ferreira Braga
- Departamento de Cirurgia, Disciplina de Urologia, Universidade Federal de São Paulo -UNIFESP, São Paulo, Brazil.,Fertility Medical Group, Av. Brigadeiro Luiz Antônio, 4545 São Paulo, Brazil
| | - Edson Borges
- Fertility Medical Group, Av. Brigadeiro Luiz Antônio, 4545 São Paulo, Brazil
| | - Adriana Teixeira Godoy
- Laboratorio ThoMSon de Espectrometria de Massas, Universidade de Campinas-UNICAMP, Rua Sérgio Buarque de Holanda, S/N - Cidade Universitária, Campinas, Brazil
| | - Daniela Antunes Montani
- Departamento de Cirurgia, Disciplina de Urologia, Universidade Federal de São Paulo -UNIFESP, São Paulo, Brazil
| | - Amanda Souza Setti
- Fertility Medical Group, Av. Brigadeiro Luiz Antônio, 4545 São Paulo, Brazil
| | | | | | - Marcos Nogueira Eberlin
- Laboratorio ThoMSon de Espectrometria de Massas, Universidade de Campinas-UNICAMP, Rua Sérgio Buarque de Holanda, S/N - Cidade Universitária, Campinas, Brazil
| | - Edson Guimarães Lo Turco
- Departamento de Cirurgia, Disciplina de Urologia, Universidade Federal de São Paulo -UNIFESP, São Paulo, Brazil
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35
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Lipidomic profiling reveals free fatty acid alterations in plasma from patients with atrial fibrillation. PLoS One 2018; 13:e0196709. [PMID: 29723222 PMCID: PMC5933795 DOI: 10.1371/journal.pone.0196709] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2017] [Accepted: 04/18/2018] [Indexed: 12/18/2022] Open
Abstract
Atrial fibrillation (AF) is the most common cardiac arrhythmia, and its incidence is increasing worldwide. One method used to restore sinus rhythm is direct current cardioversion (DCCV). Despite the high success rate of DCCV, AF typically recurs within the first 2 weeks. However, our understanding of the pathophysiology of AF recurrence, incidence, and progression are highly limited. Lipidomic profiling was applied to identify altered lipids in plasma from patients with AF using ultra-performance liquid chromatography/quadrupole time-of-flight mass spectrometry coupled with multivariate statistical analysis. Partial least-squares discriminant analysis revealed a clear separation between AF patients and healthy controls. The levels of several lipid species, including fatty acids and phospholipids, were different between AF patients and healthy controls, indicating that oxidative stress and inflammation are associated with the pathogenesis of AF. Similar patterns were also detected between recurrent and non-recurrent AF patients. These results suggest that the elevated saturated fatty acid and reduced polyunsaturated fatty acid levels in AF patients may be associated with enhanced inflammation and that free fatty acid levels may play a crucial role in the development and progression of AF.
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36
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de Visser HM, Mastbergen SC, Ravipati S, Welsing PMJ, Pinto FC, Lafeber FPJG, Chapman V, Barrett DA, Weinans H. Local and systemic inflammatory lipid profiling in a rat model of osteoarthritis with metabolic dysregulation. PLoS One 2018; 13:e0196308. [PMID: 29684084 PMCID: PMC5912715 DOI: 10.1371/journal.pone.0196308] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2017] [Accepted: 04/10/2018] [Indexed: 01/15/2023] Open
Abstract
Objective Bioactive oxidised lipids (oxylipins) are important signalling mediators, capable of modulating the inflammatory state of the joint and anticipated to be of importance in joint homeostasis and status of osteoarthritis. The aim of this study was to quantify oxylipin levels in plasma and synovial fluid from rats with experimentally induced osteoarthritis to investigate the potential role of oxylipins as a marker in the disease process of early osteoarthritis. Design Forty rats were randomly allocated to a standard or high-fat diet group. After 12 weeks, local cartilage damage was induced in one knee joint in 14 rats of each diet group. The remaining 6 rats per group served as controls. At week 24, samples were collected. Oxylipin levels were quantified by liquid chromatography–mass spectrometry. Results Overall, 31 lipid-derived inflammatory mediators were detected in fasted plasma and synovial fluid. Principal component analysis identified four distinct clusters associated with histopathological changes. Diet induced differences were evident for 13 individual plasma oxylipins, as well as 5,6-EET in synovial fluid. Surgical-model induced differences were evident for three oxylipins in synovial fluid (15-HETE, 8,9-DHET and 17R-ResolvinD1) with a different response in lipid concentrations for synovial fluid and plasma. Conclusions We demonstrate the quantification of oxidised lipids in rat plasma and synovial fluid in a model of early experimental osteoarthritis. Oxylipins in the synovial fluid that were altered as consequence of the surgically induced osteoarthritis were not represented in the plasma. Our findings suggest differential roles of the oxylipins in the local versus peripheral compartment.
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Affiliation(s)
- H. M. de Visser
- Department of Orthopaedics, University Medical Center Utrecht, Utrecht, The Netherlands
- Department of Rheumatology & Clinical Immunology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - S. C. Mastbergen
- Department of Rheumatology & Clinical Immunology, University Medical Center Utrecht, Utrecht, The Netherlands
- * E-mail:
| | - S. Ravipati
- School of Pharmacy (DAB, FCP) and School of Life Sciences (VC), University of Nottingham, Nottingham, United Kingdom
| | - P. M. J. Welsing
- Department of Rheumatology & Clinical Immunology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - F. C. Pinto
- School of Pharmacy (DAB, FCP) and School of Life Sciences (VC), University of Nottingham, Nottingham, United Kingdom
| | - F. P. J. G. Lafeber
- Department of Rheumatology & Clinical Immunology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - V. Chapman
- School of Pharmacy (DAB, FCP) and School of Life Sciences (VC), University of Nottingham, Nottingham, United Kingdom
- Arthritis Research UK Pain Centre, School of Life Sciences, University of Nottingham, Nottingham, United Kindom
| | - D. A. Barrett
- School of Pharmacy (DAB, FCP) and School of Life Sciences (VC), University of Nottingham, Nottingham, United Kingdom
| | - H. Weinans
- Department of Orthopaedics, University Medical Center Utrecht, Utrecht, The Netherlands
- Department of Rheumatology & Clinical Immunology, University Medical Center Utrecht, Utrecht, The Netherlands
- Department of Biomechanical Engineering, Delft University of Technology, Delft, The Netherlands
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37
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Tang F, Guo C, Ma X, Zhang J, Su Y, Tian R, Shi R, Xia Y, Wang X, Ouyang Z. Rapid In Situ Profiling of Lipid C═C Location Isomers in Tissue Using Ambient Mass Spectrometry with Photochemical Reactions. Anal Chem 2018; 90:5612-5619. [PMID: 29624380 DOI: 10.1021/acs.analchem.7b04675] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Rapid and in situ profiling of lipids using ambient mass spectrometry (AMS) techniques has great potential for clinical diagnosis, biological studies, and biomarker discovery. In this study, the online photochemical reaction involving carbon-carbon double bonds was coupled with a surface sampling technique to develop a direct tissue-analysis method with specificity to lipid C═C isomers. This method enabled the in situ analysis of lipids from the surface of various tissues or tissue sections, which allowed the structural characterization of lipid isomers within 2 min. Under optimized reaction conditions, we have established a method for the relative quantitation of lipid C═C location isomers by comparing the abundances of the diagnostic ions arising from each isomer, which has been proven effective through the established linear relationship ( R2 = 0.999) between molar ratio and diagnostic ion ratio of the FA 18:1 C═C location isomers. This method was then used for the rapid profiling of unsaturated lipid C═C isomers in the sections of rat brain, lung, liver, spleen, and kidney, as well as in normal and diseased rat tissues. Quantitative information on FA 18:1 and PC 16:0-18:1 C═C isomers was obtained, and significant differences were observed between different samples. To the best of our knowledge, this is the first study to report the direct analysis of lipid C═C isomers in tissues using AMS. Our results demonstrated that this method can serve as a rapid analytical approach for the profiling of unsaturated lipid C═C isomers in biological tissues and should contribute to functional lipidomics and clinical diagnosis.
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Affiliation(s)
- Fei Tang
- State Key Laboratory of Precision Measurement Technology and Instruments, Department of Precision Instrument , Tsinghua University , Beijing 100084 , China
| | - Chengan Guo
- State Key Laboratory of Precision Measurement Technology and Instruments, Department of Precision Instrument , Tsinghua University , Beijing 100084 , China
| | - Xiaoxiao Ma
- State Key Laboratory of Precision Measurement Technology and Instruments, Department of Precision Instrument , Tsinghua University , Beijing 100084 , China
| | - Jian Zhang
- State Key Laboratory of Precision Measurement Technology and Instruments, Department of Precision Instrument , Tsinghua University , Beijing 100084 , China
| | - Yuan Su
- Weldon School of Biomedical Engineering , Purdue University , West Lafayette , Indiana 47907 , United States
| | - Ran Tian
- Weldon School of Biomedical Engineering , Purdue University , West Lafayette , Indiana 47907 , United States.,Department of Basic Medical Sciences, College of Veterinary Medicine , Purdue University , West Lafayette , Indiana 47907 , United States
| | - Riyi Shi
- Weldon School of Biomedical Engineering , Purdue University , West Lafayette , Indiana 47907 , United States.,Department of Basic Medical Sciences, College of Veterinary Medicine , Purdue University , West Lafayette , Indiana 47907 , United States
| | - Yu Xia
- Department of Chemistry , Tsinghua University , Beijing 100084 , China.,Department of Chemistry , Purdue University , West Lafayette , Indiana 47907 , United States
| | - Xiaohao Wang
- State Key Laboratory of Precision Measurement Technology and Instruments, Department of Precision Instrument , Tsinghua University , Beijing 100084 , China
| | - Zheng Ouyang
- State Key Laboratory of Precision Measurement Technology and Instruments, Department of Precision Instrument , Tsinghua University , Beijing 100084 , China.,Weldon School of Biomedical Engineering , Purdue University , West Lafayette , Indiana 47907 , United States
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38
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Metabolomics coupled with pathway analysis characterizes metabolic changes in response to BDE-3 induced reproductive toxicity in mice. Sci Rep 2018; 8:5423. [PMID: 29615664 PMCID: PMC5882662 DOI: 10.1038/s41598-018-23484-2] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2017] [Accepted: 03/06/2018] [Indexed: 12/21/2022] Open
Abstract
Polybrominated diphenyl ethers (PBDEs) may affect male reproductive function. 4-bromodiphenyl ether (BDE-3), the photodegradation products of higher brominated PBDEs, is the most fundamental mono-BDE in environment but is less studied. The purpose of this study was to investigate the reproductive toxicity induced by BDE-3 and explore the mechanism by metabolomics approach. In this study, mice were treated intragastrically with BDE-3 for consecutive six weeks at the dosages of 0.0015, 1.5, 10 and 30 mg/kg. The reproductive toxicity was evaluated by sperm analysis and histopathology examinations. UPLC-Q-TOF/MS was applied to profile the metabolites of testis tissue, urine and serum samples in the control and BDE-3 treated mice. Results showed the sperm count was dose-dependently decreased and percentage of abnormal sperms increased by the treatment of BDE-3. Histopathology examination also revealed changes in seminiferous tubules and epididymides in BDE-3 treated mice. Metabolomics analysis revealed that different BDE-3 groups showed metabolic disturbances to varying degrees. We identified 76, 38 and 31 differential metabolites in testis tissue, urine and serum respectively. Pathway analysis revealed several pathways including Tyrosine metabolism, Purine metabolism and Riboflavin metabolism, which may give a possible explanation for the toxic mechanism of BDE-3. This study indicates that UHPLC-Q-TOFMS-based metabolomics approach provided a better understanding of PBDEs-induced toxicity dynamically.
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Abstract
Cells depend on hugely diverse lipidomes for many functions. The actions and structural integrity of the plasma membrane and most organelles also critically depend on membranes and their lipid components. Despite the biological importance of lipids, our understanding of lipid engagement, especially the roles of lipid hydrophobic alkyl side chains, in key cellular processes is still developing. Emerging research has begun to dissect the importance of lipids in intricate events such as cell division. This review discusses how these structurally diverse biomolecules are spatially and temporally regulated during cell division, with a focus on cytokinesis. We analyze how lipids facilitate changes in cellular morphology during division and how they participate in key signaling events. We identify which cytokinesis proteins are associated with membranes, suggesting lipid interactions. More broadly, we highlight key unaddressed questions in lipid cell biology and techniques, including mass spectrometry, advanced imaging, and chemical biology, which will help us gain insights into the functional roles of lipids.
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Affiliation(s)
- Elisabeth M Storck
- Randall Centre for Cell and Molecular Biophysics, School of Basic and Medical Biosciences, King's College London, London SE1 1UL, United Kingdom;
| | - Cagakan Özbalci
- Randall Centre for Cell and Molecular Biophysics, School of Basic and Medical Biosciences, King's College London, London SE1 1UL, United Kingdom;
| | - Ulrike S Eggert
- Randall Centre for Cell and Molecular Biophysics, School of Basic and Medical Biosciences, King's College London, London SE1 1UL, United Kingdom; .,Department of Chemistry, King's College London, London SE1 1DB, United Kingdom
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40
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Pollard AK, Ortori CA, Stöger R, Barrett DA, Chakrabarti L. Mouse mitochondrial lipid composition is defined by age in brain and muscle. Aging (Albany NY) 2017; 9:986-998. [PMID: 28325886 PMCID: PMC5391243 DOI: 10.18632/aging.101204] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2016] [Accepted: 03/12/2017] [Indexed: 01/22/2023]
Abstract
Functionality of the lipid rich mitochondrial organelle declines with increased age. Recent advances in lipidomic technologies allowed us to perform a global characterisation of lipid composition in two different tissue types and age ranges. Ultra-high performance liquid chromatography coupled with high resolution mass spectrometry was used to establish and compare mitochondrial lipidomes of brain and skeletal muscle from young (4-11 weeks old) and middle age (78 weeks old) healthy mice. In middle age the brain mitochondria had reduced levels of fatty acids, particularly polyunsaturated fatty acids, while skeletal muscle mitochondria had a decreased abundance of phosphatidylethanolamine, but a pronounced increase of triglyceride levels. Reduced levels of phosphatidylethanolamines are known to decrease mitochondrial membrane fluidity and are connected with accelerated ageing. In mitochondria from skeletal muscle we propose that increased age causes a metabolic shift in the conversion of diacylglycerol so that triglycerides predominate compared with phosphatidylethanolamines. This is the first time mitochondrial lipid content in normal healthy mammalian ageing brain and muscle has been catalogued in such detail across all lipid classes. We identify distinct mitochondrial lipid signatures that change with age, revealing tissue-specific lipid pathways as possible targets to ameliorate ageing-related mitochondrial decline.
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Affiliation(s)
- Amelia K Pollard
- School of Veterinary Medicine and Science, University of Nottingham, Sutton Bonington, LE12 5RD, UK
| | - Catharine A Ortori
- Centre for Analytical Bioscience, School of Pharmacy, University of Nottingham, NG7 2RD, UK
| | - Reinhard Stöger
- Division of Animal Science, School of Biosciences, University of Nottingham, LE12 5RD, UK
| | - David A Barrett
- Centre for Analytical Bioscience, School of Pharmacy, University of Nottingham, NG7 2RD, UK
| | - Lisa Chakrabarti
- School of Veterinary Medicine and Science, University of Nottingham, Sutton Bonington, LE12 5RD, UK
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41
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Vu N, Brown J, Giles K, Zhang Q. Ozone-induced dissociation on a traveling wave high-resolution mass spectrometer for determination of double-bond position in lipids. RAPID COMMUNICATIONS IN MASS SPECTROMETRY : RCM 2017; 31:1415-1423. [PMID: 28590551 PMCID: PMC5560992 DOI: 10.1002/rcm.7920] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/20/2017] [Revised: 05/31/2017] [Accepted: 06/03/2017] [Indexed: 05/09/2023]
Abstract
RATIONALE The position of C=C within fatty acyl chains affects the biological function of lipids. Ozone-induced dissociation mass spectrometry (OzID-MS) has great potential in determination of lipid double-bond position, but has generally been implemented on low-resolution ion trap mass spectrometers. In addition, most of the OzID-MS experiments carried out so far were focused on the sodiated adducts of lipids; fragmentation of the most commonly observed protonated ions generated in LC/MS-based lipidomics workflow has been less explored. METHODS Ozone generated in line from an ozone generator was connected to the trap and transfer gas supply line of a Synapt G2 high-resolution mass spectrometer. Protonated ions of different phosphatidylcholines (PC) were generated by electrospray ionization through direct infusion. Different parameters, including traveling wave height and velocity, trap entrance and DC potential, were adjusted to maximize the OzID efficiency. sn-positional isomers and cis/trans isomers of lipids were compared for their reactivity with ozone. RESULTS Traveling wave height and velocity were tuned to prolong the encounter time between lipid ions and ozone, and resulted in improved OzID efficiency, as did increasing trapping region DC and entrance potential. Under optimized settings, at least 1000 times enhancement in OzID efficiency was achieved compared to that under default settings for monounsaturated PC standards. Monounsaturated C=C in the sn-2 PC isomer reacted faster with ozone than the sn-1 isomer. Similarly, the C=C in trans PC reacted faster than in cis PC. CONCLUSIONS This is the first implementation of OzID in the trap and transfer region of a traveling wave enabled high-resolution mass spectrometer. The OzID reaction efficiency is significantly improved by slowing down ions in the trap region for their prolonged interaction with ozone. This will facilitate application of high-resolution OzID-MS in lipidomics.
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Affiliation(s)
- Ngoc Vu
- Department of Chemistry & Biochemistry, University of North Carolina at Greensboro, Greensboro, NC 27412, USA
| | | | | | - Qibin Zhang
- Department of Chemistry & Biochemistry, University of North Carolina at Greensboro, Greensboro, NC 27412, USA
- Center for Translational Biomedical Research, University of North Carolina at Greensboro, North Carolina Research Campus, Kannapolis, NC 28081, USA
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42
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Hyötyläinen T, Ahonen L, Pöhö P, Orešič M. Lipidomics in biomedical research-practical considerations. Biochim Biophys Acta Mol Cell Biol Lipids 2017; 1862:800-803. [PMID: 28408341 DOI: 10.1016/j.bbalip.2017.04.002] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2016] [Revised: 04/06/2017] [Accepted: 04/08/2017] [Indexed: 02/06/2023]
Abstract
Lipids have many central physiological roles including as structural components of cell membranes, energy storage sources and intermediates in signaling pathways. Lipid-related disturbances are known to underlie many diseases and their co-morbidities. The emergence of lipidomics has empowered researchers to study lipid metabolism at the cellular as well as physiological levels at a greater depth than was previously possible. The key challenges ahead in the field of lipidomics in medical research lie in the development of experimental protocols and in silico techniques needed to study lipidomes at the systems level. Clinical questions where lipidomics may have an impact in healthcare settings also need to be identified, both from the health outcomes and health economics perspectives. This article is part of a Special Issue entitled: BBALIP_Lipidomics Opinion Articles edited by Sepp Kohlwein.
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Affiliation(s)
| | - Linda Ahonen
- Steno Diabetes Center A/S, DK-2820 Gentofte, Denmark
| | - Päivi Pöhö
- Faculty of Pharmacy, University of Helsinki, FI-00014 Helsinki, Finland
| | - Matej Orešič
- Turku Centre for Biotechnology, University of Turku and Åbo Akademi University, FI-20520 Turku, Finland.
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43
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O'Connor A, Brasher CJ, Slatter DA, Meckelmann SW, Hawksworth JI, Allen SM, O'Donnell VB. LipidFinder: A computational workflow for discovery of lipids identifies eicosanoid-phosphoinositides in platelets. JCI Insight 2017; 2:e91634. [PMID: 28405621 DOI: 10.1172/jci.insight.91634] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
Accurate and high-quality curation of lipidomic datasets generated from plasma, cells, or tissues is becoming essential for cell biology investigations and biomarker discovery for personalized medicine. However, a major challenge lies in removing artifacts otherwise mistakenly interpreted as real lipids from large mass spectrometry files (>60 K features), while retaining genuine ions in the dataset. This requires powerful informatics tools; however, available workflows have not been tailored specifically for lipidomics, particularly discovery research. We designed LipidFinder, an open-source Python workflow. An algorithm is included that optimizes analysis based on users' own data, and outputs are screened against online databases and categorized into LIPID MAPS classes. LipidFinder outperformed three widely used metabolomics packages using data from human platelets. We show a family of three 12-hydroxyeicosatetraenoic acid phosphoinositides (16:0/, 18:1/, 18:0/12-HETE-PI) generated by thrombin-activated platelets, indicating crosstalk between eicosanoid and phosphoinositide pathways in human cells. The software is available on GitHub (https://github.com/cjbrasher/LipidFinder), with full userguides.
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Affiliation(s)
- Anne O'Connor
- Systems Immunity Research Institute and Institute of Infection and Immunity, School of Medicine
| | - Christopher J Brasher
- Systems Immunity Research Institute and Institute of Infection and Immunity, School of Medicine
| | - David A Slatter
- Systems Immunity Research Institute and Institute of Infection and Immunity, School of Medicine
| | - Sven W Meckelmann
- Systems Immunity Research Institute and Institute of Infection and Immunity, School of Medicine
| | - Jade I Hawksworth
- Systems Immunity Research Institute and Institute of Infection and Immunity, School of Medicine
| | - Stuart M Allen
- School of Computer Science and Informatics, Cardiff University, Cardiff, United Kingdom
| | - Valerie B O'Donnell
- Systems Immunity Research Institute and Institute of Infection and Immunity, School of Medicine
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44
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Mason S. Lactate Shuttles in Neuroenergetics-Homeostasis, Allostasis and Beyond. Front Neurosci 2017; 11:43. [PMID: 28210209 PMCID: PMC5288365 DOI: 10.3389/fnins.2017.00043] [Citation(s) in RCA: 135] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2016] [Accepted: 01/20/2017] [Indexed: 12/19/2022] Open
Abstract
Understanding brain energy metabolism—neuroenergetics—is becoming increasingly important as it can be identified repeatedly as the source of neurological perturbations. Within the scientific community we are seeing a shift in paradigms from the traditional neurocentric view to that of a more dynamic, integrated one where astrocytes are no longer considered as being just supportive, and activated microglia have a profound influence. Lactate is emerging as the “good guy,” contrasting its classical “bad guy” position in the now superseded medical literature. This review begins with the evolution of the concept of “lactate shuttles”; goes on to the recent shift in ideas regarding normal neuroenergetics (homeostasis)—specifically, the astrocyte–neuron lactate shuttle; and progresses to covering the metabolic implications whereby homeostasis is lost—a state of allostasis, and the function of microglia. The role of lactate, as a substrate and shuttle, is reviewed in light of allostatic stress, and beyond—in an acute state of allostatic stress in terms of physical brain trauma, and reflected upon with respect to persistent stress as allostatic overload—neurodegenerative diseases. Finally, the recently proposed astrocyte–microglia lactate shuttle is discussed in terms of chronic neuroinflammatory infectious diseases, using tuberculous meningitis as an example. The novelty extended by this review is that the directionality of lactate, as shuttles in the brain, in neuropathophysiological states is emerging as crucial in neuroenergetics.
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Affiliation(s)
- Shayne Mason
- Centre for Human Metabolomics, North-West University Potchefstroom, South Africa
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45
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Cázarez-García D, Ramírez Loustalot-Laclette M, Ann Markow T, Winkler R. Lipidomic profiles of Drosophila melanogaster and cactophilic fly species: models of human metabolic diseases. Integr Biol (Camb) 2017; 9:885-891. [DOI: 10.1039/c7ib00155j] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Untargeted metabolomics, combined with data mining, reveals different sensibility of fly species against diet changes.
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Affiliation(s)
- Daniel Cázarez-García
- CINVESTAV Unidad Irapuato
- Department of Biochemistry and Biotechnology
- 36821 Irapuato Gto
- Mexico
| | | | - Therese Ann Markow
- Unidad de Genómica Avanzada (UGA) – Laboratorio Nacional de Genómica (LANGEBIO)
- 36821 Irapuato Gto
- Mexico
| | - Robert Winkler
- CINVESTAV Unidad Irapuato
- Department of Biochemistry and Biotechnology
- 36821 Irapuato Gto
- Mexico
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46
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Borges E, Braga DPAF, Setti AS, Montanni DA, Cabral EC, Eberlin MN, Turco EGL, Iaconelli A. Non-invasive prediction of blastocyst implantation, ongoing pregnancy and live birth, by mass spectrometry lipid fingerprinting. JBRA Assist Reprod 2016; 20:227-231. [PMID: 28050958 PMCID: PMC5265622 DOI: 10.5935/1518-0557.20160044] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
Abstract
Objective To identify lipid markers of blastocyst implantation and ongoing pregnancy by
day three culture medium mass spectrometry (MS) fingerprinting. Methods For this study, 33 culture media samples were harvested on day three, from 22
patients undergoing day five embryo transfers. All embryos achieved the
blastocyst stage and were split into groups based on their implantation
(Negative Implantation, n= 14 and Positive Implantation, n= 19). The
positive implantation cycles resulted in successful ongoing pregnancies. The
lipid extraction was performed by the Bligh-Dyer protocol and mass spectra
were obtained with a direct infusion into a Q-Tof mass spectrometer. The
data obtained was analyzed by Principal Component Analysis (PCA) and Partial
Least Square Discrimination Analysis (PLS-DA). The statistical analysis was
performed using the Metabo-Analyst 2.0. Results The variable importance in the projection (VIP) plot of the PLS-DA provided a
list of four ions, in the positive mode, with an area under the curve (AUC)
of 73.5%; and eight ions, in the negative mode, with and AUC of 72.0%. For
both positive and negative modes, possible biomarkers for the negative
implantation were identified by the lipidmaps: phosphoethanolamine,
dicarboxylic acids, glycerophosphoglycerol, glycerophosphocholine,
glicerophosphoinositol, phosphoethanolamine and unsaturated fat acids. The
other ions were not identified. These lipids are involved in the GPI anchor
biosynthesis and synthesis of lycerophospholipids and phosphate
inositol. Conclusion MS fingerprinting is useful to identify blastocysts that fail to implant, and
therefore this technique could be incorporated into the laboratory routine,
adjunct to morphology evaluation to identify embryos that should not be
transferred.
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Affiliation(s)
- Edson Borges
- Fertility Medical Group - São Paulo/SP - Brazil.,Instituto Sapientiae - Centro de Estudos e Pesquisa em Reprodução Assistida - São Paulo/SP - Brazil
| | - Daniela P A F Braga
- Fertility Medical Group - São Paulo/SP - Brazil.,Instituto Sapientiae - Centro de Estudos e Pesquisa em Reprodução Assistida - São Paulo/SP - Brazil.,Disciplina de Urologia, Departamento de Cirurgia, Setor de Reprodução Humana - UNIFESP/SP - Brazil
| | - Amanda Souza Setti
- Fertility Medical Group - São Paulo/SP - Brazil.,Instituto Sapientiae - Centro de Estudos e Pesquisa em Reprodução Assistida - São Paulo/SP - Brazil
| | - Daniela A Montanni
- Disciplina de Urologia, Departamento de Cirurgia, Setor de Reprodução Humana - UNIFESP/SP - Brazil
| | | | - Marcos N Eberlin
- Laboratório ThoMSon de Espectrometria de Massas - Instituto de Química - UNICAMP
| | - Edson G Lo Turco
- Disciplina de Urologia, Departamento de Cirurgia, Setor de Reprodução Humana - UNIFESP/SP - Brazil
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47
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Donato P, Inferrera V, Sciarrone D, Mondello L. Supercritical fluid chromatography for lipid analysis in foodstuffs. J Sep Sci 2016; 40:361-382. [PMID: 27696781 DOI: 10.1002/jssc.201600936] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2016] [Revised: 09/13/2016] [Accepted: 09/13/2016] [Indexed: 01/22/2023]
Abstract
The task of lipid analysis has always challenged separation scientists, and new techniques in chromatography were often developed for the separation of lipids; however, no single technique or methodology is yet capable of affording a comprehensive screening of all lipid species and classes. This review acquaints the role of supercritical fluid chromatography within the field of lipid analysis, from the early developed capillary separations based on pure CO2 , to the most recent techniques employing packed columns under subcritical conditions, including the niche multidimensional techniques using supercritical fluids in at least one of the separation dimensions. A short history of supercritical fluid chromatography will be introduced first, from its early popularity in the late 1980s, to the sudden fall and oblivion until the last decade, experiencing a regain of interest within the chromatographic community. Afterwards, the subject of lipid nomenclature and classification will be briefly dealt with, before discussing the main applications of supercritical fluid chromatography for food analysis, according to the specific class of lipids.
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Affiliation(s)
- Paola Donato
- Dipartimento di "Scienze Biomediche, Odontoiatriche e delle Immagini Morfologiche e Funzionali", University of Messina, Messina, Italy
| | - Veronica Inferrera
- Dipartimento di "Scienze Chimiche, Biologiche, Farmaceutiche ed Ambientali", University of Messina, Messina, Italy
| | - Danilo Sciarrone
- Dipartimento di "Scienze Chimiche, Biologiche, Farmaceutiche ed Ambientali", University of Messina, Messina, Italy
| | - Luigi Mondello
- Dipartimento di "Scienze Chimiche, Biologiche, Farmaceutiche ed Ambientali", University of Messina, Messina, Italy.,Chromaleont s.r.l, University of Messina, Messina, Italy
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48
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Wang YS, Yao HY, Xue HW. Lipidomic profiling analysis reveals the dynamics of phospholipid molecules in Arabidopsis thaliana seedling growth. JOURNAL OF INTEGRATIVE PLANT BIOLOGY 2016; 58:890-902. [PMID: 27015894 DOI: 10.1111/jipb.12481] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/03/2016] [Accepted: 03/22/2016] [Indexed: 06/05/2023]
Abstract
High-throughput lipidomic profiling provides a sensitive approach for discovering minor lipid species. By using an advance in electrospray ionization tandem mass spectrometry, a large set of phospholipid molecular species (126 species) with high resolution were identified from Arabidopsis seedling; of them 31 species are newly identified (16 are unique in plants), including 13 species of phosphatidic acid (PA), nine phosphatidylcholine, six phosphatidylinositol and three phosphatidylserine. Further analysis of the lipidomic profile reveals dynamics of phospholipids and distinct species alterations during seedling development. PA molecules are found at the lowest levels in imbibition and follow an increasing trend during seedling growth, while phosphatidylethanolamine (PE) molecules show the opposite pattern with highest levels at imbibition and a general decreasing trend at later stages. Of PA molecular species, 34:2-, 34:3-, 36:4-, 36:5-, 38:3- and 38:4-PA increase during radicle emergence, and 34:2- and 34:3-PA reach highest levels during hypocotyl and cotyledon emergence from the seed coat. Conversely, molecular species of PE show higher levels in imbibition and decrease in later stages. These results suggest the crucial roles of specific molecular species and homeostasis of phospholipid molecules in seedling growth and provide insights into the mechanisms of how phospholipid molecules are involved in regulating plant development.
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Affiliation(s)
- Yi-Sheng Wang
- National Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences, Institute of Plant Physiology and Ecology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai 200032, China
| | - Hong-Yan Yao
- National Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences, Institute of Plant Physiology and Ecology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai 200032, China.
| | - Hong-Wei Xue
- National Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences, Institute of Plant Physiology and Ecology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai 200032, China.
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49
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Gorrochategui E, Li J, Fullwood NJ, Ying GG, Tian M, Cui L, Shen H, Lacorte S, Tauler R, Martin FL. Diet-sourced carbon-based nanoparticles induce lipid alterations in tissues of zebrafish (Danio rerio) with genomic hypermethylation changes in brain. Mutagenesis 2016; 32:91-103. [PMID: 27798195 PMCID: PMC5180172 DOI: 10.1093/mutage/gew050] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
With rising environmental levels of carbon-based nanoparticles (CBNs), there is an urgent need to develop an understanding of their biological effects in order to generate appropriate risk assessment strategies. Herein, we exposed zebrafish via their diet to one of four different CBNs: C60 fullerene (C60), single-walled carbon nanotubes (SWCNT), short multi-walled carbon nanotubes (MWCNTs) or long MWCNTs. Lipid alterations in male and female zebrafish were explored post-exposure in three target tissues (brain, gonads and gastrointestinal tract) using ‘omic’ procedures based in liquid chromatography coupled with mass spectrometry (LC-MS) data files. These tissues were chosen as they are often target tissues following environmental exposure. Marked alterations in lipid species are noted in all three tissues. To further explore CBN-induced brain alterations, Raman microspectroscopy analysis of lipid extracts was conducted. Marked lipid alterations are observed with males responding differently to females; in addition, there also appears to be consistent elevations in global genomic methylation. This latter observation is most profound in female zebrafish brain tissues post-exposure to short MWCNTs or SWCNTs (P < 0.05). This study demonstrates that even at low levels, CBNs are capable of inducing significant cellular and genomic modifications in a range of tissues. Such alterations could result in modified susceptibility to other influences such as environmental exposures, pathology and, in the case of brain, developmental alterations.
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Affiliation(s)
- Eva Gorrochategui
- Department of Environmental Chemistry, Institute of Environmental Assessment and Water Research (IDAEA), Consejo Superior de Investigaciones Científicas (CSIC), Barcelona, 08034, Catalonia, Spain
| | | | - Nigel J Fullwood
- Biomedical and Life Sciences Division, Lancaster Environment Centre, Lancaster University, Lancaster LA1 4YQ, UK
| | - Guang-Guo Ying
- State Key Laboratory of Organic Geochemistry, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China
| | - Meiping Tian
- Key Lab of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China and
| | - Li Cui
- Key Lab of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China and
| | - Heqing Shen
- Key Lab of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China and
| | - Sílvia Lacorte
- Department of Environmental Chemistry, Institute of Environmental Assessment and Water Research (IDAEA), Consejo Superior de Investigaciones Científicas (CSIC), Barcelona, 08034, Catalonia, Spain
| | - Romà Tauler
- Department of Environmental Chemistry, Institute of Environmental Assessment and Water Research (IDAEA), Consejo Superior de Investigaciones Científicas (CSIC), Barcelona, 08034, Catalonia, Spain
| | - Francis L Martin
- Centre for Biophotonics and .,Biosciences, School of Pharmacy and Biomedical Sciences, Maudland Building, University of Central Lancashire, Preston PR1 2HE, UK
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50
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Gerspach C, Imhasly S, Gubler M, Naegeli H, Ruetten M, Laczko E. Altered plasma lipidome profile of dairy cows with fatty liver disease. Res Vet Sci 2016; 110:47-59. [PMID: 28159237 DOI: 10.1016/j.rvsc.2016.10.001] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2015] [Revised: 09/28/2016] [Accepted: 10/03/2016] [Indexed: 12/16/2022]
Abstract
Fatty liver disease is a common health problem of dairy cows occurring during the transition from pregnancy to lactation. It is a direct response to fat mobilization due to negative energy balance. Accumulation of lipids in the liver occurs if the uptake of non-esterified fatty acids by the liver exceeds the capacity of lipid oxidation or secretion by the liver. Currently, the diagnosis of fatty liver disease requires confirmation through biopsies to determine the hepatic lipid content. In view of this lack of a practical diagnostic tool, we compared the plasma lipidome of diseased dairy cows using liquid chromatography coupled to quadrupole time-of-flight mass spectrometry. Multivariate data analysis yielded 20 m/z values that were able to distinguish between dairy cows with no hepatic lipidosis and those exhibiting different stages of the disease. Based on the chromatography retention time and m/z ratios, we identified phosphatidylcholines with reduced plasma abundances in cows with fatty liver disease. The abundances of different bile acids tended to be increased. In addition, we detected two metabolites related to inflammation, resolvin E1 and palmitoyl-ethanolamine (PEA), which need to be further investigated in cattle. These results indicate that the measurement of specific representatives of phosphatidylcholines in plasma may provide a novel diagnostic biomarker of fatty liver disease in dairy cows.
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Affiliation(s)
- C Gerspach
- Department of Farm Animals, Vetsuisse Faculty, University of Zurich, Winterthurerstrasse 260, Zurich, Switzerland.
| | - S Imhasly
- Institute of Veterinary Pharmacology and Toxicology, Vetsuisse Faculty, University of Zurich, Winterthurerstrasse 260, Zurich, Switzerland
| | - M Gubler
- Department of Farm Animals, Vetsuisse Faculty, University of Zurich, Winterthurerstrasse 260, Zurich, Switzerland
| | - H Naegeli
- Institute of Veterinary Pharmacology and Toxicology, Vetsuisse Faculty, University of Zurich, Winterthurerstrasse 260, Zurich, Switzerland.
| | - M Ruetten
- Institute of Veterinary Pathology, Vetsuisse Faculty, University of Zurich, Winterthurerstrasse 268, Zurich, Switzerland
| | - E Laczko
- Functional Genomics Center Zurich, University of Zurich and Swiss Federal Institute of Technology Zurich, Winterthurerstrasse 180, 8057 Zurich, Switzerland
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