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Abeyrathne EDNS, Nam KC, Huang X, Ahn DU. Egg yolk lipids: separation, characterization, and utilization. Food Sci Biotechnol 2022; 31:1243-1256. [PMID: 35992319 PMCID: PMC9385935 DOI: 10.1007/s10068-022-01138-4] [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: 02/14/2022] [Revised: 06/22/2022] [Accepted: 07/12/2022] [Indexed: 11/04/2022] Open
Abstract
Egg yolk contains very high levels of lipids, which comprise 33% of whole egg yolk. Although triglyceride is the main lipid, egg yolk is the richest source of phospholipids and cholesterol in nature. The egg yolk phospholipids have a unique composition with high levels of phosphatidylcholine followed by phosphatidylethanolamine, sphingomyelin, plasmalogen, and phosphatidylinositol. All the egg yolk lipids are embedded inside the HDL and LDL micelles or granular particles. Egg yolk lipids can be easily extracted using solvents or supercritical extraction methods but their commercial applications of egg yolk lipids are limited. Egg yolk lipids have excellent potential as a food ingredient or cosmeceutical, pharmaceutical, and nutraceutical agents because they have excellent functional and biological characteristics. This review summarizes the current knowledge on egg yolk lipids' extraction methods and functions and discusses their current and future use, which will be important to increase the use and value of the egg.
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Affiliation(s)
- Edirisingha Dewage Nalaka Sandun Abeyrathne
- Department of Animal Science, Uva Wellassa University, Badulla, 90000 Sri Lanka
- Department of Animal Science & Technology, Suncheon National University, Suncheon, 57922 Korea
| | - Ki-Chang Nam
- Department of Animal Science & Technology, Suncheon National University, Suncheon, 57922 Korea
| | - Xi Huang
- Key Laboratory of Environment Correlative Dietology, Ministry of Education, National Research and Development Center for Egg Processing, College of Food Science and Technology, Huazhong Agricultural University, Wuhan, 430070 Hubei People’s Republic of China
| | - Dong Uk Ahn
- Department of Animal Science, Iowa State University, Ames, IA 50011 USA
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Engel KM, Schiller J. The value of coupling thin-layer chromatography to mass spectrometry in lipid research - a review. J Chromatogr B Analyt Technol Biomed Life Sci 2021; 1185:123001. [PMID: 34715571 DOI: 10.1016/j.jchromb.2021.123001] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Revised: 10/12/2021] [Accepted: 10/14/2021] [Indexed: 12/18/2022]
Abstract
Mass spectrometry has emerged as an extremely powerful analytical tool, which is widely used in many fields. This broad application range became possible with the invention of MALDI and ESI as "soft ionization" techniques that keep fragmentation of the analyte to a minimum. However, when these techniques are applied to mixture analysis, less-sensitively detectable compounds may be suppressed by more sensitively detectable compounds, a process called "ion suppression". Thus, previous separation of the mixture into the individual lipid classes is necessary to be able to detect all compounds. This review summarizes the current knowledge in the field of combined TLC/MS and discusses the most important strengths and weaknesses of the different MS (particularly ionization) techniques with respect to phospholipids. This comprises techniques such as MALDI and ESI, but less established approaches such as plasma desorption will be also discussed.
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Affiliation(s)
- Kathrin M Engel
- Leipzig University, Medical Faculty, Institute for Medical Physics and Biophysics, Germany.
| | - Jürgen Schiller
- Leipzig University, Medical Faculty, Institute for Medical Physics and Biophysics, Germany
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Chang Z, Deng J, Zhao W, Yang J. Exploring interactions between lipids and amyloid-forming proteins: A review on applying fluorescence and NMR techniques. Chem Phys Lipids 2021; 236:105062. [PMID: 33600803 DOI: 10.1016/j.chemphyslip.2021.105062] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Revised: 01/27/2021] [Accepted: 02/12/2021] [Indexed: 12/13/2022]
Abstract
A hallmark of Alzheimer's, Parkinson's, and other amyloid diseases is the assembly of amyloid proteins into amyloid aggregates or fibrils. In many cases, the formation and cytotoxicity of amyloid assemblies are associated with their interaction with cell membranes. Despite studied for many years, the characterization of the interaction is challenged for reasons on the multiple aggregation states of amyloid-forming proteins, transient and weak interactions in the complex system. Although several strategies such as computation biology, spectroscopy, and imaging methods have been performed, there is an urgent need to detail the molecular mechanism in different time scales and high resolutions. This review highlighted the recent applications of fluorescence, solution and solid-state NMR in exploring the interactions between amyloid protein and membranes attributing to their advantages of high sensitivity and atomic resolution.
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Affiliation(s)
- Ziwei Chang
- National Center for Magnetic Resonance in Wuhan, Key Laboratory of Magnetic Resonance in Biological Systems, State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Wuhan Institute of Physics and Mathematics, Innovation Academy for Precision Measurement Science and Technology, Chinese Academy of Sciences, Wuhan, 430071, PR China
| | - Jing Deng
- National Center for Magnetic Resonance in Wuhan, Key Laboratory of Magnetic Resonance in Biological Systems, State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Wuhan Institute of Physics and Mathematics, Innovation Academy for Precision Measurement Science and Technology, Chinese Academy of Sciences, Wuhan, 430071, PR China; University of Chinese Academy of Sciences, Beijing, 100049, PR China
| | - Weijing Zhao
- National Center for Magnetic Resonance in Wuhan, Key Laboratory of Magnetic Resonance in Biological Systems, State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Wuhan Institute of Physics and Mathematics, Innovation Academy for Precision Measurement Science and Technology, Chinese Academy of Sciences, Wuhan, 430071, PR China
| | - Jun Yang
- National Center for Magnetic Resonance in Wuhan, Key Laboratory of Magnetic Resonance in Biological Systems, State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Wuhan Institute of Physics and Mathematics, Innovation Academy for Precision Measurement Science and Technology, Chinese Academy of Sciences, Wuhan, 430071, PR China; Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan, 430074, PR China.
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Autilio C, Echaide M, Shankar-Aguilera S, Bragado R, Amidani D, Salomone F, Pérez-Gil J, De Luca D. Surfactant Injury in the Early Phase of Severe Meconium Aspiration Syndrome. Am J Respir Cell Mol Biol 2020; 63:327-337. [PMID: 32348683 DOI: 10.1165/rcmb.2019-0413oc] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
No in vivo data are available regarding the effect of meconium on human surfactant in the early stages of severe meconium aspiration syndrome (MAS). In the present study, we sought to characterize the changes in surfactant composition, function, and structure during the early phase of meconium injury. We designed a translational prospective cohort study of nonbronchoscopic BAL of neonates with severe MAS (n = 14) or no lung disease (n = 18). Surfactant lipids were analyzed by liquid chromatography-high-resolution mass spectrometry. Secretory phospholipase A2 subtypes IB, V, and X and SP-A (surfactant protein A) were assayed by ELISA. SP-B and SP-C were analyzed by Western blotting under both nonreducing and reducing conditions. Surfactant function was assessed by adsorption test and captive bubble surfactometry, and lung aeration was evaluated by semiquantitative lung ultrasound. Surfactant nanostructure was studied using cryo-EM and atomic force microscopy. Several changes in phospholipid subclasses were detected during MAS. Lysophosphatidylcholine species released by phospholipase A2 hydrolysis were increased. SP-B and SP-C were significantly increased together with some shorter immature forms of SP-B. Surfactant function was impaired and correlated with poor lung aeration. Surfactant nanostructure was significantly damaged in terms of vesicle size, tridimensional complexity, and compactness. Various alterations of surfactant phospholipids and proteins were detected in the early phase of severe meconium aspiration and were due to hydrolysis and inflammation and a defensive response. This impairs both surfactant structure and function, finally resulting in reduced lung aeration. These findings support the development of new surfactant protection and antiinflammatory strategies for severe MAS.
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Affiliation(s)
- Chiara Autilio
- Department of Biochemistry and Molecular Biology and Research Institute "Hospital 12 de Octubre (imas12)", Complutense University, Madrid, Spain
| | - Mercedes Echaide
- Department of Biochemistry and Molecular Biology and Research Institute "Hospital 12 de Octubre (imas12)", Complutense University, Madrid, Spain
| | - Shivani Shankar-Aguilera
- Division of Pediatrics and Neonatal Critical Care, A. Béclère Medical Center, Paris Saclay University Hospitals, APHP, Paris, France
| | - Rafael Bragado
- Research Institute "Instituto de Investigación Sanitaria-Fundación Jiménez Díaz (IIS FJD)", Madrid, Spain
| | - Davide Amidani
- Pharmacology and Toxicology Department Preclinical R&D, Chiesi Farmaceutici, Parma, Italy; and
| | - Fabrizio Salomone
- Pharmacology and Toxicology Department Preclinical R&D, Chiesi Farmaceutici, Parma, Italy; and
| | - Jesús Pérez-Gil
- Department of Biochemistry and Molecular Biology and Research Institute "Hospital 12 de Octubre (imas12)", Complutense University, Madrid, Spain
| | - Daniele De Luca
- Division of Pediatrics and Neonatal Critical Care, A. Béclère Medical Center, Paris Saclay University Hospitals, APHP, Paris, France.,Physiopathology and Therapeutic Innovation Unit, INSERM U999, Paris-Saclay University, Paris, France
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