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Klekowski J, Chabowski M, Krzystek-Korpacka M, Fleszar M. The Utility of Lipidomic Analysis in Colorectal Cancer Diagnosis and Prognosis-A Systematic Review of Recent Literature. Int J Mol Sci 2024; 25:7722. [PMID: 39062964 PMCID: PMC11277303 DOI: 10.3390/ijms25147722] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2024] [Revised: 07/07/2024] [Accepted: 07/12/2024] [Indexed: 07/28/2024] Open
Abstract
Colorectal cancer (CRC) is among the most prevalent and lethal malignancies. Lipidomic investigations have revealed numerous disruptions in lipid profiles across various cancers. Studies on CRC exhibit potential for identifying novel diagnostic or prognostic indicators through lipidomic signatures. This review examines recent literature regarding lipidomic markers for CRC. PubMed database was searched for eligible articles concerning lipidomic biomarkers of CRC. After selection, 36 articles were included in the review. Several studies endeavor to establish sets of lipid biomarkers that demonstrate promising potential to diagnose CRC based on blood samples. Phosphatidylcholine, phosphatidylethanolamine, ceramides, and triacylglycerols (TAGs) appear to offer the highest diagnostic accuracy. In tissues, lysophospholipids, ceramides, and TAGs were among the most altered lipids, while unsaturated fatty acids also emerged as potential biomarkers. In-depth analysis requires both cell culture and animal studies. CRC involves multiple lipid metabolism alterations. Although numerous lipid species have been suggested as potential diagnostic markers, the establishment of standardized methods and the conduct of large-scale studies are necessary to facilitate their clinical application.
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Affiliation(s)
- Jakub Klekowski
- Department of Nursing and Obstetrics, Division of Anesthesiological and Surgical Nursing, Faculty of Health Science, Wroclaw Medical University, 50-367 Wroclaw, Poland;
- Department of Surgery, 4th Military Clinical Hospital, 50-981 Wroclaw, Poland
| | - Mariusz Chabowski
- Department of Surgery, 4th Military Clinical Hospital, 50-981 Wroclaw, Poland
- Department of Clinical Surgical Sciences, Faculty of Medicine, Wroclaw University of Science and Technology, 50-556 Wroclaw, Poland
| | - Małgorzata Krzystek-Korpacka
- Department of Biochemistry and Immunochemistry, Wroclaw Medical University, 50-368 Wroclaw, Poland; (M.K.-K.); (M.F.)
| | - Mariusz Fleszar
- Department of Biochemistry and Immunochemistry, Wroclaw Medical University, 50-368 Wroclaw, Poland; (M.K.-K.); (M.F.)
- Omics Research Center, Wroclaw Medical University, 50-368 Wroclaw, Poland
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2
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Zhu S, He Y, Lei JN, Gong JJ, Tan CP, Liu YF, Xu YJ. Non-targeted mass spectrometry and feature-based molecular networking for determination of branched fatty acid esters of hydroxy fatty acids in milk. Anal Bioanal Chem 2024; 416:4111-4122. [PMID: 38772972 DOI: 10.1007/s00216-024-05335-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Revised: 04/28/2024] [Accepted: 05/08/2024] [Indexed: 05/23/2024]
Abstract
Branched fatty acid esters of hydroxy fatty acids (FAHFAs) represent trace lipids with significant natural biological functions. While exogenous FAHFAs have been extensively studied, research on FAHFAs in milk remains limited, constraining our grasp of their nutritional roles. This study introduces a non-targeted mass spectrometry approach combined with chemical networking of spectral fragmentation patterns to uncover FAHFAs. Through meticulous sample handling and comparisons of various data acquisition and processing modes, we validate the method's superiority, identifying twice as many FAHFAs compared to alternative techniques. This validated method was then applied to different milk samples, revealing 45 chemical signals associated with known and potential FAHFAs, alongside findings of 66 ceramide/hexosylceramide (Cer/HexCer), 48 phosphatidyl ethanolamine/lyso phosphatidyl ethanolamine (PE/LPE), 21 phosphatidylcholine/lysophosphatidylcholine (PC/LPC), 16 phosphatidylinositol (PI), 7 phosphatidylserine (PS), and 11 sphingomyelin (SM) compounds. This study expands our understanding of the FAHFA family in milk and provides a fast and convenient method for identifying FAHFAs.
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Affiliation(s)
- Shuang Zhu
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, National Engineering Reacher Center for Functional Food, National Engineering Laboratory for Cereal Fermentation Technology, Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, No. 1800, Lihu Road, Wuxi, 214122, Jiangsu, People's Republic of China
| | - Yuan He
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, National Engineering Reacher Center for Functional Food, National Engineering Laboratory for Cereal Fermentation Technology, Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, No. 1800, Lihu Road, Wuxi, 214122, Jiangsu, People's Republic of China
| | - Jing-Nan Lei
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, National Engineering Reacher Center for Functional Food, National Engineering Laboratory for Cereal Fermentation Technology, Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, No. 1800, Lihu Road, Wuxi, 214122, Jiangsu, People's Republic of China
| | - Jia-Jia Gong
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, National Engineering Reacher Center for Functional Food, National Engineering Laboratory for Cereal Fermentation Technology, Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, No. 1800, Lihu Road, Wuxi, 214122, Jiangsu, People's Republic of China
| | - Chin Ping Tan
- Department of Food Technology, Faculty of Food Science and Technology, University Putra Malaysia, Serdang, 410500, Selangor, Malaysia
| | - Yuan-Fa Liu
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, National Engineering Reacher Center for Functional Food, National Engineering Laboratory for Cereal Fermentation Technology, Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, No. 1800, Lihu Road, Wuxi, 214122, Jiangsu, People's Republic of China
| | - Yong-Jiang Xu
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, National Engineering Reacher Center for Functional Food, National Engineering Laboratory for Cereal Fermentation Technology, Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, No. 1800, Lihu Road, Wuxi, 214122, Jiangsu, People's Republic of China.
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3
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Sarcinelli GM, Varinelli L, Ghislanzoni S, Padelli F, Lorenzini D, Vingiani A, Milione M, Guaglio M, Kusamura S, Deraco M, Pruneri G, Gariboldi M, Baratti D, Bongarzone I. Sulfatide imaging identifies tumor cells in colorectal cancer peritoneal metastases. Cancer Metab 2024; 12:18. [PMID: 38943216 PMCID: PMC11212237 DOI: 10.1186/s40170-024-00345-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2024] [Accepted: 06/19/2024] [Indexed: 07/01/2024] Open
Abstract
Even with systemic chemotherapy, cytoreductive surgery (CRS), and hyperthermic intraperitoneal chemotherapy (HIPEC), peritoneal metastases (PM) remain a common site of disease progression for colorectal cancer (CRC) and are frequently associated with a poor prognosis. The mass spectrometry (MS) method known as Matrix-Assisted Laser Desorption/Ionization - Time of Flight (MALDI-TOF) is frequently used in medicine to identify structural compounds and biomarkers. It has been demonstrated that lipids are crucial in mediating the aggressive growth of tumors. In order to investigate the lipid profiles, particularly with regard to histological distribution, we used MALDI-TOF MS (MALDI-MS) and MALDI-TOF imaging MS (MALDI-IMS) on patient-derived tumor organoids (PDOs) and PM clinical samples. According to the MALDI-IMS research shown here, the predominant lipid signature of PDOs in PM tissues, glycosphingolipid (GSL) sulfates or sulfatides, or STs, is unique to the areas containing tumor cells and absent from the surrounding stromal compartments. Bioactive lipids are derived from arachidonic acid (AA), and AA-containing phosphatidylinositol (PI), or PI (18:0-20:4), is shown to be highly expressed in the stromal components. On the other hand, the tumor components contained a higher abundance of PI species with shorter and more saturated acyl chains (C34 and C36 carbons). The cellular subversion of PI and ST species may alter in ways that promote the growth, aggressiveness, and metastasis of tumor cells. Together, these findings suggest that the GSL/ST metabolic programming of PM may contain novel therapeutic targets to impede or halt PM progression.
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Affiliation(s)
- G M Sarcinelli
- Department of Diagnostic Innovation, Fondazione IRCCS Istituto Nazionale Dei Tumori, Via G. Amadeo 42, 20133, Milan, Italy
| | - L Varinelli
- Department of Research, Fondazione IRCCS Istituto Nazionale Dei Tumori, Via G. Amadeo 42, 20133, Milan, Italy
| | - S Ghislanzoni
- Department of Diagnostic Innovation, Fondazione IRCCS Istituto Nazionale Dei Tumori, Via G. Amadeo 42, 20133, Milan, Italy
| | - F Padelli
- Department of Diagnostic Innovation, Fondazione IRCCS Istituto Nazionale Dei Tumori, Via G. Amadeo 42, 20133, Milan, Italy
| | - D Lorenzini
- Department of Diagnostic Innovation, Fondazione IRCCS Istituto Nazionale Dei Tumori, Via G. Venezian 1, 20133, Milan, Italy
| | - A Vingiani
- Department of Diagnostic Innovation, Fondazione IRCCS Istituto Nazionale Dei Tumori, Via G. Venezian 1, 20133, Milan, Italy
| | - M Milione
- Department of Pathology and Laboratory Medicine, Fondazione IRCCS Istituto Nazionale Dei Tumori, Via G. Venezian 1, 20133, Milan, Italy
| | - M Guaglio
- Peritoneal Surface Malignancies Unit, Fondazione IRCCS Istituto Nazionale Dei Tumori, Via G. Venezian 1, 20133, Milan, Italy
| | - S Kusamura
- Peritoneal Surface Malignancies Unit, Fondazione IRCCS Istituto Nazionale Dei Tumori, Via G. Venezian 1, 20133, Milan, Italy
| | - M Deraco
- Peritoneal Surface Malignancies Unit, Fondazione IRCCS Istituto Nazionale Dei Tumori, Via G. Venezian 1, 20133, Milan, Italy
| | - G Pruneri
- Department of Diagnostic Innovation, Fondazione IRCCS Istituto Nazionale Dei Tumori, Via G. Venezian 1, 20133, Milan, Italy
| | - M Gariboldi
- Department of Research, Fondazione IRCCS Istituto Nazionale Dei Tumori, Via G. Amadeo 42, 20133, Milan, Italy
| | - D Baratti
- Peritoneal Surface Malignancies Unit, Fondazione IRCCS Istituto Nazionale Dei Tumori, Via G. Venezian 1, 20133, Milan, Italy
| | - I Bongarzone
- Department of Diagnostic Innovation, Fondazione IRCCS Istituto Nazionale Dei Tumori, Via G. Amadeo 42, 20133, Milan, Italy.
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4
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Chen Q, Lin F, Li W, Gu X, Chen Y, Su H, Zhang L, Zheng W, Zeng X, Lu X, Wang C, Chen W, Zhang B, Zhang H, Gong M. Distinctive Lipid Characteristics of Colorectal Cancer Revealed through Non-targeted Lipidomics Analysis of Tongue Coating. J Proteome Res 2024; 23:2054-2066. [PMID: 38775738 PMCID: PMC11165570 DOI: 10.1021/acs.jproteome.4c00063] [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: 01/31/2024] [Revised: 04/10/2024] [Accepted: 04/25/2024] [Indexed: 06/13/2024]
Abstract
The metabolites and microbiota in tongue coating display distinct characteristics in certain digestive disorders, yet their relationship with colorectal cancer (CRC) remains unexplored. Here, we employed liquid chromatography coupled with tandem mass spectrometry to analyze the lipid composition of tongue coating using a nontargeted approach in 30 individuals with colorectal adenomas (CRA), 32 with CRC, and 30 healthy controls (HC). We identified 21 tongue coating lipids that effectively distinguished CRC from HC (AUC = 0.89), and 9 lipids that differentiated CRC from CRA (AUC = 0.9). Furthermore, we observed significant alterations in the tongue coating lipid composition in the CRC group compared to HC/CRA groups. As the adenoma-cancer sequence progressed, there was an increase in long-chain unsaturated triglycerides (TG) levels and a decrease in phosphatidylethanolamine plasmalogen (PE-P) levels. Furthermore, we noted a positive correlation between N-acyl ornithine (NAOrn), sphingomyelin (SM), and ceramide phosphoethanolamine (PE-Cer), potentially produced by members of the Bacteroidetes phylum. The levels of inflammatory lipid metabolite 12-HETE showed a decreasing trend with colorectal tumor progression, indicating the potential involvement of tongue coating microbiota and tumor immune regulation in early CRC development. Our findings highlight the potential utility of tongue coating lipid analysis as a noninvasive tool for CRC diagnosis.
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Affiliation(s)
- Qubo Chen
- State
Key Laboratory of Dampness Syndrome of Chinese Medicine, The Second Affiliated Hospital of Guangzhou University
of Chinese Medicine, Guangzhou 510120, China
- Second
Clinical Medical College, Guangzhou University
of Chinese Medicine, Guangzhou 510120, China
| | - Fengye Lin
- Second
Clinical Medical College, Guangzhou University
of Chinese Medicine, Guangzhou 510120, China
| | - Wanhua Li
- Second
Clinical Medical College, Guangzhou University
of Chinese Medicine, Guangzhou 510120, China
| | - Xiangyu Gu
- Second
Clinical Medical College, Guangzhou University
of Chinese Medicine, Guangzhou 510120, China
| | - Ying Chen
- Second
Clinical Medical College, Guangzhou University
of Chinese Medicine, Guangzhou 510120, China
| | - Hairong Su
- Second
Clinical Medical College, Guangzhou University
of Chinese Medicine, Guangzhou 510120, China
| | - Lu Zhang
- Metabolomics
and Proteomics Technology Platform, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Wen Zheng
- Metabolomics
and Proteomics Technology Platform, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Xuan Zeng
- State
Key Laboratory of Dampness Syndrome of Chinese Medicine, The Second Affiliated Hospital of Guangzhou University
of Chinese Medicine, Guangzhou 510120, China
| | - Xinyi Lu
- State
Key Laboratory of Dampness Syndrome of Chinese Medicine, The Second Affiliated Hospital of Guangzhou University
of Chinese Medicine, Guangzhou 510120, China
| | - Chuyang Wang
- State
Key Laboratory of Dampness Syndrome of Chinese Medicine, The Second Affiliated Hospital of Guangzhou University
of Chinese Medicine, Guangzhou 510120, China
| | - Weicheng Chen
- State
Key Laboratory of Dampness Syndrome of Chinese Medicine, The Second Affiliated Hospital of Guangzhou University
of Chinese Medicine, Guangzhou 510120, China
| | - Beiping Zhang
- Department
of Gastroenterology, Guangdong Provincial Hospital of Chinese Medicine, The Second Affiliated Hospital of Guangzhou University
of Chinese Medicine, Guangzhou 510120, Guangdong Province, China
| | - Haiyan Zhang
- Department
of Gastroenterology, Guangdong Provincial Hospital of Chinese Medicine, The Second Affiliated Hospital of Guangzhou University
of Chinese Medicine, Guangzhou 510120, Guangdong Province, China
| | - Meng Gong
- Metabolomics
and Proteomics Technology Platform, West China Hospital, Sichuan University, Chengdu 610041, China
- Institutes
for Systems Genetics, Frontiers Science Center for Disease-related
Molecular Network, West China Hospital, Sichuan University, Chengdu 610041, China
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5
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Gu JY, Li XB, Liao GQ, Wang TC, Wang ZS, Jia Q, Qian YZ, Zhang XL, Qiu J. Comprehensive analysis of phospholipid in milk and their biological roles as nutrients and biomarkers. Crit Rev Food Sci Nutr 2024:1-20. [PMID: 38556904 DOI: 10.1080/10408398.2024.2330696] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/02/2024]
Abstract
Phospholipids (PL) have garnered significant attention due to their physiological activities. Milk and other dairy products are important dietary sources for humans and have been extensively used to analyze the presence of PL by various analytical techniques. In this paper, the analysis techniques of PL were reviewed with the eight trigrams of phospholipidomics and a comprehensive fingerprint of 1295 PLs covering 8 subclasses in milk and other dairy products, especially. Technology is the primary productive force. Based on phospholipidomics technology, we further review the relationship between the composition of PL and factors that may be involved in processing and experimental operation, and emphasized the significance of the biological role played by PL in dietary supplements and biomarkers (production, processing and clinical research), and providing the future research directions.
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Affiliation(s)
- Jing-Yi Gu
- Institute of Quality Standards and Testing Technology for Agro-Products, Chinese Academy of Agricultural Sciences, Beijing, China
- Key Laboratory of Agri-food Quality and Safety, Ministry of Agriculture and Rural Affairs, Beijing, China
| | - Xia-Bing Li
- Institute of Quality Standards and Testing Technology for Agro-Products, Chinese Academy of Agricultural Sciences, Beijing, China
- Key Laboratory of Agri-food Quality and Safety, Ministry of Agriculture and Rural Affairs, Beijing, China
| | - Guang-Qin Liao
- Institute of Quality Standards and Testing Technology for Agro-Products, Chinese Academy of Agricultural Sciences, Beijing, China
- Key Laboratory of Agri-food Quality and Safety, Ministry of Agriculture and Rural Affairs, Beijing, China
| | - Tian-Cai Wang
- Institute of Quality Standards and Testing Technology for Agro-Products, Chinese Academy of Agricultural Sciences, Beijing, China
- Key Laboratory of Agri-food Quality and Safety, Ministry of Agriculture and Rural Affairs, Beijing, China
| | - Zi-Shuang Wang
- Institute of Quality Standards and Testing Technology for Agro-Products, Chinese Academy of Agricultural Sciences, Beijing, China
- Key Laboratory of Agri-food Quality and Safety, Ministry of Agriculture and Rural Affairs, Beijing, China
| | - Qi Jia
- Institute of Quality Standards and Testing Technology for Agro-Products, Chinese Academy of Agricultural Sciences, Beijing, China
- Key Laboratory of Agri-food Quality and Safety, Ministry of Agriculture and Rural Affairs, Beijing, China
| | - Yong-Zhong Qian
- Institute of Quality Standards and Testing Technology for Agro-Products, Chinese Academy of Agricultural Sciences, Beijing, China
- Key Laboratory of Agri-food Quality and Safety, Ministry of Agriculture and Rural Affairs, Beijing, China
| | - Xing-Lian Zhang
- Institute of Quality Standards and Testing Technology for Agro-Products, Chinese Academy of Agricultural Sciences, Beijing, China
- Key Laboratory of Agri-food Quality and Safety, Ministry of Agriculture and Rural Affairs, Beijing, China
| | - Jing Qiu
- Institute of Quality Standards and Testing Technology for Agro-Products, Chinese Academy of Agricultural Sciences, Beijing, China
- Key Laboratory of Agri-food Quality and Safety, Ministry of Agriculture and Rural Affairs, Beijing, China
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6
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Zhu S, He Y, Lei JN, Liu YF, Xu YJ. The chemical and biological characteristics of fatty acid esters of hydroxyl fatty acids. Nutr Rev 2024:nuae005. [PMID: 38412339 DOI: 10.1093/nutrit/nuae005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/29/2024] Open
Abstract
With the continuous advancements in detection methods and the exploration of unknown substances, an increasing number of bioactive compounds are being discovered. Fatty acid esters of hydroxyl fatty acids (FAHFAs), a class of endogenous lipids found in 2014, exhibit various physiological activities, such as improving glucose tolerance and insulin sensitivity, stimulating insulin secretion, and demonstrating broad anti-inflammatory effects. Moreover, some FAHFAs are closely linked to intestinal health and can serve as potential biomarkers for gut health. Various FAHFAs have been observed in food, including palmitic acid esters of hydroxy stearic acids (PAHSA), oleic acid esters of hydroxy stearic acids (OAHSA), linoleic acid esters of hydroxy linoleic acid (LAHLA). As a type of lipid regularly consumed in the daily diet, it is highly important to ascertain the types and quantities of FAHFAs present in the diet. This article, based on existing research, provides a review of the analysis methods for FAHFAs, particularly focusing on the separation of chiral isomers. It also summarizes the sources and contents of dietary FAHFAs, emphasizing their bioavailability and impact on the gut. Understanding the beneficial effects of these lipids in the diet can serve as a valuable reference for the development of specific functional foods.
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Affiliation(s)
- Shuang Zhu
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, National Engineering Research Center for Functional Food, National Engineering Laboratory for Cereal Fermentation Technology, Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi, Jiangsu, People's Republic of China
| | - Yuan He
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, National Engineering Research Center for Functional Food, National Engineering Laboratory for Cereal Fermentation Technology, Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi, Jiangsu, People's Republic of China
| | - Jing-Nan Lei
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, National Engineering Research Center for Functional Food, National Engineering Laboratory for Cereal Fermentation Technology, Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi, Jiangsu, People's Republic of China
| | - Yuan-Fa Liu
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, National Engineering Research Center for Functional Food, National Engineering Laboratory for Cereal Fermentation Technology, Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi, Jiangsu, People's Republic of China
| | - Yong-Jiang Xu
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, National Engineering Research Center for Functional Food, National Engineering Laboratory for Cereal Fermentation Technology, Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi, Jiangsu, People's Republic of China
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7
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Qin L, An N, Yuan B, Zhu Q, Feng Y. The Metabolomic Characteristics and Dysregulation of Fatty Acid Esters of Hydroxy Fatty Acids in Breast Cancer. Metabolites 2023; 13:1108. [PMID: 37999204 PMCID: PMC10673550 DOI: 10.3390/metabo13111108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2023] [Revised: 10/16/2023] [Accepted: 10/20/2023] [Indexed: 11/25/2023] Open
Abstract
Lipid reprogramming metabolism is crucial for supporting tumor growth in breast cancer and investigating potential tumor biomarkers. Fatty acid esters of hydroxy fatty acids (FAHFAs) are a class of endogenous lipid metabolites with anti-diabetic and anti-inflammatory properties that have been discovered in recent years. Our previous targeted analysis of sera from breast cancer patients revealed a significant down-regulation of several FAHFAs. In this study, we aimed to further explore the relationship between FAHFAs and breast cancer by employing chemical isotope labeling combined with liquid chromatography-mass spectrometry (CIL-LC-MS) for profiling of FAHFAs in tumors and adjacent normal tissues from breast cancer patients. Statistical analysis identified 13 altered isomers in breast cancer. These isomers showed the potential to distinguish breast cancer tissues with an area under the curve (AUC) value above 0.9 in a multivariate receiver operating curve model. Furthermore, the observation of up-regulated 9-oleic acid ester of hydroxy stearic acid (9-OAHSA) and down-regulated 9-hydroxystearic acid (9-HSA) in tumors suggests that breast cancer shares similarities with colorectal cancer, and their potential mechanism is to attenuate the effects of pro-apoptotic 9-HSA by enhancing the synthesis of FAHFAs, thereby promoting tumor survival and progression through this buffering system.
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Affiliation(s)
- Linlin Qin
- Department of Chemistry, Wuhan University, Wuhan 430072, China; (L.Q.); (N.A.)
| | - Na An
- Department of Chemistry, Wuhan University, Wuhan 430072, China; (L.Q.); (N.A.)
| | - Bifeng Yuan
- School of Public Health, Wuhan University, Wuhan 430071, China;
| | - Quanfei Zhu
- School of Public Health, Wuhan University, Wuhan 430071, China;
| | - Yuqi Feng
- Department of Chemistry, Wuhan University, Wuhan 430072, China; (L.Q.); (N.A.)
- School of Public Health, Wuhan University, Wuhan 430071, China;
- Frontier Science Center for Immunology and Metabolism, Wuhan University, Wuhan 430071, China
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8
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Chen H, Zhou H, Liang Y, Huang Z, Yang S, Wang X, She Z, Wei Z, Zhang Q. UHPLC-HRMS-based serum untargeted lipidomics: Phosphatidylcholines and sphingomyelins are the main disturbed lipid markers to distinguish colorectal advanced adenoma from cancer. J Pharm Biomed Anal 2023; 234:115582. [PMID: 37473505 DOI: 10.1016/j.jpba.2023.115582] [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: 05/05/2023] [Revised: 07/02/2023] [Accepted: 07/12/2023] [Indexed: 07/22/2023]
Abstract
Colorectal advanced adenoma (CAA) is a key precancerous lesion of colorectal cancer (CRC), and early diagnosis can lessen CRC morbidity and mortality. Although abnormal lipid metabolism is associated with the development of CRC, there are no studies on the biomarkers and mechanism of lipid metabolism linked to CAA carcinogenesis. Hence, we performed a lipidomics study of serum samples from 46 CAA, and 50 CRC patients by the ultra high-performance liquid chromatography tandem high resolution mass spectrometry (UHPLC-HRMS) in both electrospray ionization (ESI) modes. Differential lipids were selected by univariate and multivariate statistics analysis, and their diagnostic performance was evaluated using a receiver operating characteristic curve (ROC) analysis. Combining P < 0.05 and variable importance in projection (VIP) > 1, 59 differential lipids were obtained totally. Ten of them showed good discriminant ability for CAA and CRC (AUC > 0.900). Especially, the lipid panel consisting of PC 44:5, PC 35:6e, and SM d40:3 showed the highest selection frequency and outperformed (AUC = 0.952). Additionally, phosphatidylcholine (PC) and sphingomyelin (SM) were the main differential and high-performance lipids. In short, this is the first study to explore the biomarkers and mechanism for CAA-CRC sequence with large-scale serum lipidomics. The findings should provide valuable reference and new clues for the development of diagnostic and therapeutic strategies of CRC.
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Affiliation(s)
- Hongwei Chen
- Medical College, Guangxi University, Nanning, Guangxi 530004, PR China
| | - Hailin Zhou
- Medical College, Guangxi University, Nanning, Guangxi 530004, PR China
| | - Yunxiao Liang
- Department of Gastroenterology, People's Hospital of Guangxi Zhuang Autonomous Region, Nanning, Guangxi 530021, PR China
| | - Zongsheng Huang
- Department of Gastroenterology, People's Hospital of Guangxi Zhuang Autonomous Region, Nanning, Guangxi 530021, PR China
| | - Shanyi Yang
- Medical College, Guangxi University, Nanning, Guangxi 530004, PR China
| | - Xuancheng Wang
- Medical College, Guangxi University, Nanning, Guangxi 530004, PR China
| | - Zhiyong She
- Medical College, Guangxi University, Nanning, Guangxi 530004, PR China
| | - Zhijuan Wei
- Medical College, Guangxi University, Nanning, Guangxi 530004, PR China
| | - Qisong Zhang
- Medical College, Guangxi University, Nanning, Guangxi 530004, PR China; Hubei Provincial Key Laboratory of Occurrence and Intervention of Rheumatic Diseases, Hubei Minzu University, Enshi, Hubei 44500, PR China; Center for Instrumental Analysis, Guangxi University, Nanning, Guangxi 530004, PR China.
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9
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Alotaibi M, Shao J, Pauciulo MW, Nichols WC, Hemnes AR, Malhotra A, Kim NH, Yuan JXJ, Fernandes T, Kerr KM, Alshawabkeh L, Desai AA, Bujor AM, Lafyatis R, Watrous JD, Long T, Cheng S, Chan SY, Jain M. Metabolomic Profiles Differentiate Scleroderma-PAH From Idiopathic PAH and Correspond With Worsened Functional Capacity. Chest 2023; 163:204-215. [PMID: 36087794 PMCID: PMC9899641 DOI: 10.1016/j.chest.2022.08.2230] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Revised: 07/12/2022] [Accepted: 08/19/2022] [Indexed: 01/13/2023] Open
Abstract
BACKGROUND The prognosis and therapeutic responses are worse for pulmonary arterial hypertension associated with systemic sclerosis (SSc-PAH) compared with idiopathic pulmonary arterial hypertension (IPAH). This discrepancy could be driven by divergence in underlying metabolic determinants of disease. RESEARCH QUESTION Are circulating bioactive metabolites differentially altered in SSc-PAH vs IPAH, and can this alteration explain clinical disparity between these PAH subgroups? STUDY DESIGN AND METHODS Plasma biosamples from 400 patients with SSc-PAH and 1,082 patients with IPAH were included in the study. Another cohort of 100 patients with scleroderma with no PH and 44 patients with scleroderma with PH was included for external validation. More than 700 bioactive lipid metabolites, representing a range of vasoactive and immune-inflammatory pathways, were assayed in plasma samples from independent discovery and validation cohorts using liquid chromatography/high-resolution mass spectrometry-based approaches. Regression analyses were used to identify metabolites that exhibited differential levels between SSc-PAH and IPAH and associated with disease severity. RESULTS From hundreds of circulating bioactive lipid molecules, five metabolites were found to distinguish between SSc-PAH and IPAH, as well as associate with markers of disease severity. Relative to IPAH, patients with SSc-PAH carried increased levels of fatty acid metabolites, including lignoceric acid and nervonic acid, as well as eicosanoids/oxylipins and sex hormone metabolites. INTERPRETATION Patients with SSc-PAH are characterized by an unfavorable bioactive metabolic profile that may explain the poor and limited response to therapy. These data provide important metabolic insights into the molecular heterogeneity underlying differences between subgroups of PAH.
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Affiliation(s)
- Mona Alotaibi
- Division of Pulmonary, Critical Care and Sleep Medicine, University of California San Diego, La Jolla, CA; Department of Medicine, University of California San Diego, La Jolla, CA
| | - Junzhe Shao
- School of Life Sciences, Peking University, Beijing, China
| | - Michael W Pauciulo
- Department of Pediatrics, College of Medicine, University of Cincinnati, Cincinnati, OH, USA; Division of Human Genetics, Cincinnati Children's Hospital Medical Center, Cincinnati, OH
| | - William C Nichols
- Department of Pediatrics, College of Medicine, University of Cincinnati, Cincinnati, OH, USA; Division of Human Genetics, Cincinnati Children's Hospital Medical Center, Cincinnati, OH
| | - Anna R Hemnes
- Division of Allergy, Pulmonary and Critical Care Medicine, Vanderbilt University Medical Center, Nashville, TN
| | - Atul Malhotra
- Division of Pulmonary, Critical Care and Sleep Medicine, University of California San Diego, La Jolla, CA; Department of Medicine, University of California San Diego, La Jolla, CA
| | - Nick H Kim
- Division of Pulmonary, Critical Care and Sleep Medicine, University of California San Diego, La Jolla, CA; Department of Medicine, University of California San Diego, La Jolla, CA
| | - Jason X-J Yuan
- Division of Pulmonary, Critical Care and Sleep Medicine, University of California San Diego, La Jolla, CA; Department of Medicine, University of California San Diego, La Jolla, CA
| | - Timothy Fernandes
- Division of Pulmonary, Critical Care and Sleep Medicine, University of California San Diego, La Jolla, CA; Department of Medicine, University of California San Diego, La Jolla, CA
| | - Kim M Kerr
- Division of Pulmonary, Critical Care and Sleep Medicine, University of California San Diego, La Jolla, CA; Department of Medicine, University of California San Diego, La Jolla, CA
| | - Laith Alshawabkeh
- Division of Cardiovascular Medicine, Sulpizio Cardiovascular Institute, University of California San Diego, La Jolla, CA
| | - Ankit A Desai
- Department of Medicine, Indiana University, Indianapolis, IN
| | - Andreea M Bujor
- Division of Rheumatology, Boston University Medical Center, Boston, MA
| | - Robert Lafyatis
- Division of Rheumatology and Clinical Immunology, University of Pittsburgh Medical Center, Pittsburgh, PA
| | - Jeramie D Watrous
- Department of Medicine, University of California San Diego, La Jolla, CA
| | - Tao Long
- Department of Medicine, University of California San Diego, La Jolla, CA
| | - Susan Cheng
- Barbra Streisand Women's Heart Center, Smidt Heart Institute, Cedars-Sinai Medical Center, Los Angeles, CA
| | - Stephen Y Chan
- Center for Pulmonary Vascular Biology and Medicine, Pittsburgh Heart, Lung, Blood Vascular Medicine Institute, Division of Cardiology, Department of Medicine, University of Pittsburgh School of Medicine, Pittsburgh, PA.
| | - Mohit Jain
- Department of Medicine, University of California San Diego, La Jolla, CA
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10
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Olajide TM, Cao W. Exploring foods as natural sources of FAHFAs—A review of occurrence, extraction, analytical techniques and emerging bioactive potential. Trends Food Sci Technol 2022. [DOI: 10.1016/j.tifs.2022.11.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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11
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Salita T, Rustam YH, Mouradov D, Sieber OM, Reid GE. Reprogrammed Lipid Metabolism and the Lipid-Associated Hallmarks of Colorectal Cancer. Cancers (Basel) 2022; 14:cancers14153714. [PMID: 35954376 PMCID: PMC9367418 DOI: 10.3390/cancers14153714] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Revised: 07/26/2022] [Accepted: 07/26/2022] [Indexed: 02/01/2023] Open
Abstract
Simple Summary Colorectal cancer (CRC) is the third-most diagnosed cancer and the second-leading cause of cancer-related deaths worldwide. Limitations in early and accurate diagnosis of CRC gives rise to poor patient survival. Advancements in analytical techniques have improved our understanding of the cellular and metabolic changes occurring in CRC and potentiate avenues for improved diagnostic and therapeutic strategies. Lipids are metabolites with important biological functions; however, their role in CRC is poorly understood. Here, we provide an in-depth review of the recent literature concerning lipid alterations in CRC and propose eight lipid metabolism-associated hallmarks of CRC. Abstract Lipids have diverse structures, with multifarious regulatory functions in membrane homeostasis and bioenergetic metabolism, in mediating functional protein–lipid and protein–protein interactions, as in cell signalling and proliferation. An increasing body of evidence supports the notion that aberrant lipid metabolism involving remodelling of cellular membrane structure and changes in energy homeostasis and signalling within cancer-associated pathways play a pivotal role in the onset, progression, and maintenance of colorectal cancer (CRC) and their tumorigenic properties. Recent advances in analytical lipidome analysis technologies have enabled the comprehensive identification and structural characterization of lipids and, consequently, our understanding of the role they play in tumour progression. However, despite progress in our understanding of cancer cell metabolism and lipidomics, the key lipid-associated changes in CRC have yet not been explicitly associated with the well-established ‘hallmarks of cancer’ defined by Hanahan and Weinberg. In this review, we summarize recent findings that highlight the role of reprogrammed lipid metabolism in CRC and use this growing body of evidence to propose eight lipid metabolism-associated hallmarks of colorectal cancer, and to emphasize their importance and linkages to the established cancer hallmarks.
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Affiliation(s)
- Timothy Salita
- Department of Biochemistry and Pharmacology, University of Melbourne, Parkville, VIC 3010, Australia; (T.S.); (Y.H.R.)
- Personalized Oncology Division, The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC 3052, Australia;
| | - Yepy H. Rustam
- Department of Biochemistry and Pharmacology, University of Melbourne, Parkville, VIC 3010, Australia; (T.S.); (Y.H.R.)
| | - Dmitri Mouradov
- Personalized Oncology Division, The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC 3052, Australia;
| | - Oliver M. Sieber
- Personalized Oncology Division, The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC 3052, Australia;
- Correspondence: (O.M.S.); (G.E.R.)
| | - Gavin E. Reid
- Department of Biochemistry and Pharmacology, University of Melbourne, Parkville, VIC 3010, Australia; (T.S.); (Y.H.R.)
- School of Chemistry, University of Melbourne, Melbourne, VIC 3010, Australia
- Bio21 Molecular Science & Biotechnology Institute, University of Melbourne, Parkville, VIC 3010, Australia
- Correspondence: (O.M.S.); (G.E.R.)
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12
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Chen H, Zhang J, Zhou H, Zhu Y, Liang Y, Zhu P, Zhang Q. UHPLC-HRMS–based serum lipisdomics reveals novel biomarkers to assist in the discrimination between colorectal adenoma and cancer. Front Oncol 2022; 12:934145. [PMID: 35965551 PMCID: PMC9366052 DOI: 10.3389/fonc.2022.934145] [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: 05/02/2022] [Accepted: 06/30/2022] [Indexed: 11/13/2022] Open
Abstract
The development of a colorectal adenoma (CA) into carcinoma (CRC) is a long and stealthy process. There remains a lack of reliable biomarkers to distinguish CA from CRC. To effectively explore underlying molecular mechanisms and identify novel lipid biomarkers promising for early diagnosis of CRC, an ultrahigh-performance liquid chromatography tandem high-resolution mass spectrometry (UHPLC-HRMS) method was employed to comprehensively measure lipid species in human serum samples of patients with CA and CRC. Results showed significant differences in serum lipid profiles between CA and CRC groups, and 85 differential lipid species (P < 0.05 and fold change > 1.50 or < 0.67) were discovered. These significantly altered lipid species were mainly involved in fatty acid (FA), phosphatidylcholine (PC), and triacylglycerol (TAG) metabolism with the constituent ratio > 63.50%. After performance evaluation by the receiver operating characteristic (ROC) curve analysis, seven lipid species were ultimately proposed as potential biomarkers with the area under the curve (AUC) > 0.800. Of particular value, a lipid panel containing docosanamide, SM d36:0, PC 36:1e, and triheptanoin was selected as a composite candidate biomarker with excellent performance (AUC = 0.971), and the highest selected frequency to distinguish patients with CA from patients with CRC based on the support vector machine (SVM) classification model. To our knowledge, this study was the first to undertake a lipidomics profile using serum intended to identify screening lipid biomarkers to discriminate between CA and CRC. The lipid panel could potentially serve as a composite biomarker aiding the early diagnosis of CRC. Metabolic dysregulation of FAs, PCs, and TAGs seems likely involved in malignant transformation of CA, which hopefully will provide new clues to understand its underlying mechanism.
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Affiliation(s)
- Hongwei Chen
- Medical College of Guangxi University, Guangxi University, Nanning, China
| | - Jiahao Zhang
- Medical College of Guangxi University, Guangxi University, Nanning, China
| | - Hailin Zhou
- Medical College of Guangxi University, Guangxi University, Nanning, China
| | - Yifan Zhu
- Medical College of Guangxi University, Guangxi University, Nanning, China
| | - Yunxiao Liang
- Department of Gastroenterology, People’s Hospital of Guangxi Zhuang Autonomous Region, Nanning, China
| | - Pingchuan Zhu
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangxi University, Nanning, China
| | - Qisong Zhang
- Medical College of Guangxi University, Guangxi University, Nanning, China
- *Correspondence: Qisong Zhang,
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13
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Baig S, Vanarsa K, Ding H, Titus ASCLS, McMahon M, Mohan C. Baseline Elevations of Leukotriene Metabolites and Altered Plasmalogens Are Prognostic Biomarkers of Plaque Progression in Systemic Lupus Erythematosus. Front Cardiovasc Med 2022; 9:861724. [PMID: 35651909 PMCID: PMC9149006 DOI: 10.3389/fcvm.2022.861724] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Accepted: 04/13/2022] [Indexed: 11/29/2022] Open
Abstract
Systemic lupus erythematosus (SLE) is associated with an increased incidence of acute and chronic cardiovascular disease as compared to the general population. This study uses a comprehensive metabolomic screen of baseline sera from lupus patients to identify metabolites that predict future carotid plaque progression, following 8–9 years of follow-up. Nine patients had SLE without plaque progression, 8 had SLE and went on to develop atherosclerotic plaques (SLEPP), and 8 patients were controls who did not have SLE. The arachidonic acid pathway metabolites, leukotriene B4 (LTB4) and 5-hydroxyeicosatetraenoic acid (5-HETE), and the oxidized lipids 9/13-hydroxyoctodecadienoic acid (HODE) were found to be significantly altered (p < 0.05 and fold-change >2) in SLEPP patients compared to SLE patients without plaque progression. SLEPP patients also exhibited significantly altered levels of branched chain amino acid (BCAA) metabolites and plasmalogens compared to the non-SLE controls. Taken together with the rich literature on these metabolites, these findings suggest that the identified metabolites may not only be prognostic of cardiovascular disease development in SLE patients, but they may also be active drivers of atheroma formation. Early identification of these high risk SLE patients may help institute preventive measures early in the disease course.
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Affiliation(s)
- Sahar Baig
- Department of Biomedical Engineering, University of Houston, Houston, TX, United States
| | - Kamala Vanarsa
- Department of Biomedical Engineering, University of Houston, Houston, TX, United States
| | - Huihua Ding
- Department of Biomedical Engineering, University of Houston, Houston, TX, United States
| | | | - Maureen McMahon
- Department of Medicine, David Geffen School of Medicine at the University of California, Los Angeles, Los Angeles, CA, United States
- Maureen McMahon
| | - Chandra Mohan
- Department of Biomedical Engineering, University of Houston, Houston, TX, United States
- *Correspondence: Chandra Mohan
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14
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Koch J, Watschinger K, Werner ER, Keller MA. Tricky Isomers—The Evolution of Analytical Strategies to Characterize Plasmalogens and Plasmanyl Ether Lipids. Front Cell Dev Biol 2022; 10:864716. [PMID: 35573699 PMCID: PMC9092451 DOI: 10.3389/fcell.2022.864716] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Accepted: 03/23/2022] [Indexed: 01/27/2023] Open
Abstract
Typically, glycerophospholipids are represented with two esterified fatty acids. However, by up to 20%, a significant proportion of this lipid class carries an ether-linked fatty alcohol side chain at the sn-1 position, generally referred to as ether lipids, which shape their specific physicochemical properties. Among those, plasmalogens represent a distinct subgroup characterized by an sn-1 vinyl-ether double bond. The total loss of ether lipids in severe peroxisomal defects such as rhizomelic chondrodysplasia punctata indicates their crucial contribution to diverse cellular functions. An aberrant ether lipid metabolism has also been reported in multifactorial conditions including Alzheimer’s disease. Understanding the underlying pathological implications is hampered by the still unclear exact functional spectrum of ether lipids, especially in regard to the differentiation between the individual contributions of plasmalogens (plasmenyl lipids) and their non-vinyl-ether lipid (plasmanyl) counterparts. A primary reason for this is that exact identification and quantification of plasmalogens and other ether lipids poses a challenging and usually labor-intensive task. Diverse analytical methods for the detection of plasmalogens have been developed. Liquid chromatography–tandem mass spectrometry is increasingly used to resolve complex lipid mixtures, and with optimized parameters and specialized fragmentation strategies, discrimination between ethers and plasmalogens is feasible. In this review, we recapitulate historic and current methodologies for the recognition and quantification of these important lipids and will discuss developments in this field that can contribute to the characterization of plasmalogens in high structural detail.
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Affiliation(s)
- Jakob Koch
- Institute of Human Genetics, Medical University of Innsbruck, Innsbruck, Austria
| | - Katrin Watschinger
- Institute of Biological Chemistry, Biocenter, Medical University of Innsbruck, Innsbruck, Austria
| | - Ernst R. Werner
- Institute of Biological Chemistry, Biocenter, Medical University of Innsbruck, Innsbruck, Austria
| | - Markus A. Keller
- Institute of Human Genetics, Medical University of Innsbruck, Innsbruck, Austria
- *Correspondence: Markus A. Keller,
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15
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Hong X, Wang G, Liu X, Wu M, Zhang X, Hua X, Jiang P, Wang S, Tang S, Shi X, Huang Y, Shen T. Lipidomic biomarkers: Potential mediators of associations between urinary bisphenol A exposure and colorectal cancer. JOURNAL OF HAZARDOUS MATERIALS 2022; 427:127863. [PMID: 34848068 DOI: 10.1016/j.jhazmat.2021.127863] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Revised: 10/25/2021] [Accepted: 11/18/2021] [Indexed: 06/13/2023]
Abstract
Previous research reported associations between bisphenol A (BPA) exposure and some malignant tumor incidences, yet the underlying mechanism remains largely uncertain. This investigation was aimed to explore the association of BPA exposure burden with colorectal cancer (CRC) and the role of tumor tissue lipid metabolism in the associations between BPA and CRC using lipidomic approach. Urinary BPA levels in CRC cases were significantly higher than those in controls (P value < 0.05). BPA was positively correlated with all three serum CRC biomarkers, with an estimated odds ratio (OR) of 4.45 (95% confidence interval (95% CI): [1.31, 15.14]) between the highest and lowest tertiles of exposure. Lipidomic screening of tumor samples suggested significant perturbation in the glycerophospholipid metabolism pathway, of which phosphatidylcholine (PC 34:0), phosphatidylcholine (PC 37:1), phosphatidylethanolamine (PE 34:2), triacylglycerol (TG 56:4) demonstrated mediation contribution of 21.9%, 18.7%, 18.4% and 27.39%, respectively, in the association between BPA exposure and CRC. Our work provides novel findings that cancer tissue metabolites may be playing vital mediating roles in the associations between BPA exposure burden and CRC risk. These findings contribute to better understanding of the etiology of CRC induced by environmental stressors.
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Affiliation(s)
- Xu Hong
- Department of Occupational Health and Environmental Health, School of Public Health, Anhui Medical University, Hefei 230032, Anhui, PR China
| | - Gengfu Wang
- Department of Maternal, Child and Adolescent Health, School of Public Health, Anhui Medical University, Hefei, PR China
| | - Xingcun Liu
- Department of Gastrointestinal surgery, First Affiliated Hospital, Anhui Medical University, Hefei 230032, Anhui, PR China
| | - Ming Wu
- Department of Occupational Health and Environmental Health, School of Public Health, Anhui Medical University, Hefei 230032, Anhui, PR China
| | - Xindong Zhang
- Department of Occupational Health and Environmental Health, School of Public Health, Anhui Medical University, Hefei 230032, Anhui, PR China
| | - Xiaohui Hua
- Department of Occupational Health and Environmental Health, School of Public Health, Anhui Medical University, Hefei 230032, Anhui, PR China
| | - Pengpeng Jiang
- Department of Gastrointestinal surgery, First Affiliated Hospital, Anhui Medical University, Hefei 230032, Anhui, PR China
| | - Sheng Wang
- The Center for Scientific Research of Anhui Medical University, Hefei 230032, Anhui Province, PR China
| | - Song Tang
- National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, Beijing, PR China
| | - Xiaoming Shi
- National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, Beijing, PR China
| | - Yichao Huang
- Department of Toxicology, School of Public Health, Anhui Medical University, Hefei 230032, Anhui, PR China.
| | - Tong Shen
- Department of Occupational Health and Environmental Health, School of Public Health, Anhui Medical University, Hefei 230032, Anhui, PR China.
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16
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Zhou H, Nong Y, Zhu Y, Liang Y, Zhang J, Chen H, Zhu P, Zhang Q. Serum untargeted lipidomics by UHPLC-ESI-HRMS aids the biomarker discovery of colorectal adenoma. BMC Cancer 2022; 22:314. [PMID: 35331175 PMCID: PMC8943952 DOI: 10.1186/s12885-022-09427-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Accepted: 03/17/2022] [Indexed: 12/28/2022] Open
Abstract
BACKGROUND Colorectal adenoma (CA) is an important precancerous lesion and early screening target of colorectal cancer (CRC). Lipids with numerous physiological functions are proved to be involved in the development of CRC. However, there is no lipidomic study with large-scale serum samples on diagnostic biomarkers for CA. METHODS The serum lipidomics of CA patients (n = 50) and normal control (NR) (n = 50) was performed by ultra high performance liquid chromatography-high resolution mass spectrometry with electrospray ionization (UHPLC-ESI-HRMS). Univariate and multivariate statistical analyses were utilized to screen the differential lipids between groups, and combining the constituent ratio analysis and diagnostic efficiency evaluation by receiver operating characteristic (ROC) curve disclosed the potential mechanism and biomarkers for CA. RESULTS There were obvious differences in serum lipid profiles between CA and NR groups. Totally, 79 differential lipids were selected by criterion of P < 0.05 and fold change > 1.5 or < 0.67. Triacylglycerols (TAGs) and phosphatidylcholines (PCs) were the major differential lipids with ratio > 60%, indicating these two lipid metabolic pathways showed evident disequilibrium, which could contribute to CA formation. Of them, 12 differential lipids had good diagnostic ability as candidate biomarkers for CA (AUC ≥ 0.900) by ROC analysis. CONCLUSIONS To our knowledge, this is the first attempt to profile serum lipidomics and explore lipid biomarkers of CA to help early screening of CRC. 12 differential lipids are obtained to act as potential diagnostic markers of CA. PCs and fatty acids were the main dysregulated biomarkers for CA in serum.
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Affiliation(s)
- Hailin Zhou
- Medical College of Guangxi University, Guangxi University, Nanning, Guangxi, 530004, PR China
| | - Yanying Nong
- Department of Gastroenterology, Ruikang Hospital Affilated to Guangxi University of Chinese Medicine, Nanning, Guangxi, 530011, PR China
| | - Yifan Zhu
- Medical College of Guangxi University, Guangxi University, Nanning, Guangxi, 530004, PR China
| | - Yunxiao Liang
- Department of Gastroenterology, People's Hospital of Guangxi Zhuang Autonomous Region, Nanning, Guangxi, 530021, PR China
| | - Jiahao Zhang
- Medical College of Guangxi University, Guangxi University, Nanning, Guangxi, 530004, PR China
| | - Hongwei Chen
- Medical College of Guangxi University, Guangxi University, Nanning, Guangxi, 530004, PR China
| | - Pingchuan Zhu
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangxi University, Nanning, Guangxi, 530004, PR China
| | - Qisong Zhang
- Medical College of Guangxi University, Guangxi University, Nanning, Guangxi, 530004, PR China.
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17
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Crauste C, Galano JM, Guy A, Lehoux J, Durand T, Balas L. Synthesis of fatty acid bioconjugates and related derivatives. European J Org Chem 2022. [DOI: 10.1002/ejoc.202101502] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Céline Crauste
- IBMM: Institut des Biomolecules Max Mousseron synthesis of bioactive lipids FRANCE
| | - jean-Marie Galano
- IBMM: Institut des Biomolecules Max Mousseron synthesis of bioactive lipids FRANCE
| | - Alexandre Guy
- IBMM: Institut des Biomolecules Max Mousseron synthesis of bioactive lipids FRANCE
| | - Jordan Lehoux
- IBMM: Institut des Biomolecules Max Mousseron synthesis of bioactive lipids FRANCE
| | - Thierry Durand
- IBMM: Institut des Biomolecules Max Mousseron synthesis of bioactive lipids FRANCE
| | - Laurence Balas
- UMR 5247: Institut des Biomolecules Max Mousseron Synthesis of bioactive lipids 1919 route de Mende 34293 Montpellier Cedex FRANCE
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18
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Zhu Y, Wang L, Nong Y, Liang Y, Huang Z, Zhu P, Zhang Q. Serum Untargeted UHPLC-HRMS-Based Lipidomics to Discover the Potential Biomarker of Colorectal Advanced Adenoma. Cancer Manag Res 2021; 13:8865-8878. [PMID: 34858060 PMCID: PMC8632617 DOI: 10.2147/cmar.s336322] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Accepted: 10/29/2021] [Indexed: 12/12/2022] Open
Abstract
Background As a key precancerous lesion, colorectal advanced adenoma (CAA) is closely related to the occurrence and development of colorectal cancer (CRC). Effective identification of CAA-related biomarkers can prevent CRC morbidity and mortality. Lipids, as an important endogenous substance, have been proved to be involved in the occurrence and development of CRC. Lipidomics is an advanced technique that studies lipid metabolism and biomarkers of diseases. However, there are no lipidomics studies based on large serum samples to explore diagnostic biomarkers for CAA. Methods An integrated serum lipid profile from 50 normal (NR) and 46 CAA subjects was performed using ultra-high performance liquid chromatography tandem high-resolution mass spectrometry (UHPLC-HRMS). Lipidomic data were acquired for negative and positive ionization modes, respectively. Differential lipids were selected by univariate and multivariate statistics analyses. A receiver operator characteristic curve (ROC) analysis was conducted to evaluate the diagnostic performance of differential lipids. Results A total of 53 differential lipids were obtained by combining univariate and multivariate statistical analyses (P < 0.05 and VIP > 1). In addition, 12 differential lipids showed good diagnostic performance (AUC > 0.90) for the discrimination of NR and CAA by receiver operating characteristic curve (ROC) analysis. Of them, the performance of PC 44:5 and PC 35:6e presented the outstanding performance (AUC = 1.00, (95% CI, 1.00–1.00)). Moreover, triglyceride (TAG) had the highest proportion (37.74%) as the major dysregulated lipids in the CAA. Conclusion This is the first study that profiled serum lipidomics and explored lipid biomarkers with good diagnostic ability of CAA to contribute to the early prevention of CRC. Twelve differential lipids that effectively discriminate between NR and CAA serve as the potential diagnostic markers of CAA. An obvious perturbation of TAG metabolism could be involved in the CAA formation.
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Affiliation(s)
- Yifan Zhu
- Medical College of Guangxi University, Guangxi University, Nanning, Guangxi, 530004, People's Republic of China
| | - Lisheng Wang
- Medical College of Guangxi University, Guangxi University, Nanning, Guangxi, 530004, People's Republic of China
| | - Yanying Nong
- Department of Gastroenterology, Ruikang Hospital Affiliated to Guangxi University of Chinese Medicine, Nanning, Guangxi, 530011, People's Republic of China
| | - Yunxiao Liang
- Department of Gastroenterology, The People's Hospital of Guangxi Zhuang Autonomous Region, Nanning, Guangxi, 530021, People's Republic of China
| | - Zongsheng Huang
- Department of Gastroenterology, The People's Hospital of Guangxi Zhuang Autonomous Region, Nanning, Guangxi, 530021, People's Republic of China
| | - Pingchuan Zhu
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangxi University, Nanning, Guangxi, 530004, People's Republic of China
| | - Qisong Zhang
- Medical College of Guangxi University, Guangxi University, Nanning, Guangxi, 530004, People's Republic of China
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Riecan M, Paluchova V, Lopes M, Brejchova K, Kuda O. Branched and linear fatty acid esters of hydroxy fatty acids (FAHFA) relevant to human health. Pharmacol Ther 2021; 231:107972. [PMID: 34453998 DOI: 10.1016/j.pharmthera.2021.107972] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 07/23/2021] [Accepted: 07/27/2021] [Indexed: 12/13/2022]
Abstract
Fatty acid esters of hydroxy fatty acids (FAHFAs) represent a complex lipid class that contains both signaling mediators and structural components of lipid biofilms in humans. The majority of endogenous FAHFAs share a common chemical architecture, characterized by an estolide bond that links the hydroxy fatty acid (HFA) backbone and the fatty acid (FA). Two structurally and functionally distinct FAHFA superfamilies are recognized based on the position of the estolide bond: omega-FAHFAs and in-chain branched FAHFAs. The existing variety of possible HFAs and FAs combined with the position of the estolide bond generates a vast quantity of unique structures identified in FAHFA families. In this review, we discuss the anti-diabetic and anti-inflammatory effects of branched FAHFAs and the role of omega-FAHFA-derived lipids as surfactants in the tear film lipid layer and dry eye disease. To emphasize potential pharmacological targets, we recapitulate the biosynthesis of the HFA backbone within the superfamilies together with the degradation pathways and the FAHFA regioisomer distribution in human and mouse adipose tissue. We propose a theoretical involvement of cytochrome P450 enzymes in the generation and degradation of saturated HFA backbones and present an overview of small-molecule inhibitors used in FAHFA research. The FAHFA lipid class is huge and largely unexplored. Besides the unknown biological effects of individual FAHFAs, also the enigmatic enzymatic machinery behind their synthesis could provide new therapeutic approaches for inflammatory metabolic or eye diseases. Therefore, understanding the mechanisms of (FA)HFA synthesis at the molecular level should be the next step in FAHFA research.
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Affiliation(s)
- Martin Riecan
- Institute of Physiology, Czech Academy of Sciences, 14220 Prague 4, Czech Republic
| | - Veronika Paluchova
- Institute of Physiology, Czech Academy of Sciences, 14220 Prague 4, Czech Republic
| | - Magno Lopes
- Institute of Physiology, Czech Academy of Sciences, 14220 Prague 4, Czech Republic
| | - Kristyna Brejchova
- Institute of Physiology, Czech Academy of Sciences, 14220 Prague 4, Czech Republic
| | - Ondrej Kuda
- Institute of Physiology, Czech Academy of Sciences, 14220 Prague 4, Czech Republic.
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20
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Vítová M, Palyzová A, Řezanka T. Plasmalogens - Ubiquitous molecules occurring widely, from anaerobic bacteria to humans. Prog Lipid Res 2021; 83:101111. [PMID: 34147515 DOI: 10.1016/j.plipres.2021.101111] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 05/10/2021] [Accepted: 06/14/2021] [Indexed: 01/02/2023]
Abstract
Plasmalogens are a group of lipids mainly found in the cell membranes. They occur in anaerobic bacteria and in some protozoa, invertebrates and vertebrates, including humans. Their occurrence in plants and fungi is controversial. They can protect cells from damage by reactive oxygen species, protect other phospholipids or lipoprotein particles against oxidative stress, and have been implicated as signaling molecules and modulators of membrane dynamics. Biosynthesis in anaerobic and aerobic organisms occurs by different pathways, and the main biosynthetic pathway in anaerobic bacteria was clarified only this year (2021). Many different analytical techniques have been used for plasmalogen analysis, some of which are detailed below. These can be divided into two groups: shotgun lipidomics, or electrospray ionization mass spectrometry in combination with high performance liquid chromatography (LC-MS). The advantages and limitations of both techniques are discussed here, using examples from anaerobic bacteria to specialized mammalian (human) organs.
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Affiliation(s)
- Milada Vítová
- Institute of Microbiology of the Czech Academy of Sciences, Laboratory of Cell Cycles of Algae, Novohradská 237, 379 81 Třeboň, Czech Republic
| | - Andrea Palyzová
- Institute of Microbiology of the Czech Academy of Sciences, Vídeňská 1083, 142 20 Prague, Czech Republic
| | - Tomáš Řezanka
- Institute of Microbiology of the Czech Academy of Sciences, Vídeňská 1083, 142 20 Prague, Czech Republic.
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21
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Răchieriu C, Eniu DT, Moiş E, Graur F, Socaciu C, Socaciu MA, Hajjar NA. Lipidomic Signatures for Colorectal Cancer Diagnosis and Progression Using UPLC-QTOF-ESI +MS. Biomolecules 2021; 11:biom11030417. [PMID: 33799830 PMCID: PMC8035671 DOI: 10.3390/biom11030417] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Revised: 03/02/2021] [Accepted: 03/08/2021] [Indexed: 12/15/2022] Open
Abstract
Metabolomics coupled with bioinformatics may identify relevant biomolecules such as putative biomarkers of specific metabolic pathways related to colorectal diagnosis, classification and prognosis. This study performed an integrated metabolomic profiling of blood serum from 25 colorectal cancer (CRC) cases previously classified (Stage I to IV) compared with 16 controls (disease-free, non-CRC patients), using high-performance liquid chromatography and mass spectrometry (UPLC-QTOF-ESI+ MS). More than 400 metabolites were separated and identified, then all data were processed by the advanced Metaboanalyst 5.0 online software, using multi- and univariate analysis, including specificity/sensitivity relationships (area under the curve (AUC) values), enrichment and pathway analysis, identifying the specific pathways affected by cancer progression in the different stages. Several sub-classes of lipids including phosphatidylglycerols (phosphatidylcholines (PCs), phosphatidylethanolamines (PEs) and PAs), fatty acids and sterol esters as well as ceramides confirmed the “lipogenic phenotype” specific to CRC development, namely the upregulated lipogenesis associated with tumor progression. Both multivariate and univariate bioinformatics confirmed the relevance of some putative lipid biomarkers to be responsible for the altered metabolic pathways in colorectal cancer.
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Affiliation(s)
- Claudiu Răchieriu
- Surgery Department, County Hospital Alba, 510118 Alba Iulia, Romania;
- Iuliu Hatieganu University of Medicine and Pharmacy, Regional Institute of Gastroenterology and Hepatology “Octavian Fodor”, 400015 Cluj-Napoca, Romania; (E.M.); (F.G.); (N.A.H.)
| | - Dan Tudor Eniu
- Oncology Department, Iuliu Hațieganu University of Medicine and Pharmacy, 400015 Cluj-Napoca, Romania;
| | - Emil Moiş
- Iuliu Hatieganu University of Medicine and Pharmacy, Regional Institute of Gastroenterology and Hepatology “Octavian Fodor”, 400015 Cluj-Napoca, Romania; (E.M.); (F.G.); (N.A.H.)
| | - Florin Graur
- Iuliu Hatieganu University of Medicine and Pharmacy, Regional Institute of Gastroenterology and Hepatology “Octavian Fodor”, 400015 Cluj-Napoca, Romania; (E.M.); (F.G.); (N.A.H.)
| | - Carmen Socaciu
- University of Agricultural Sciences and Veterinary Medicine, 400372 Cluj-Napoca, Romania
- Research Center for Applied Biotechnology in Diagnosis and Molecular Therapy, 400478 Cluj-Napoca, Romania
- Correspondence: (C.S.); (M.A.S.)
| | - Mihai Adrian Socaciu
- Iuliu Hatieganu University of Medicine and Pharmacy, Regional Institute of Gastroenterology and Hepatology “Octavian Fodor”, 400015 Cluj-Napoca, Romania; (E.M.); (F.G.); (N.A.H.)
- Correspondence: (C.S.); (M.A.S.)
| | - Nadim Al Hajjar
- Iuliu Hatieganu University of Medicine and Pharmacy, Regional Institute of Gastroenterology and Hepatology “Octavian Fodor”, 400015 Cluj-Napoca, Romania; (E.M.); (F.G.); (N.A.H.)
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22
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Wang Y. Applications of Lipidomics in Tumor Diagnosis and Therapy. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2021; 1316:25-39. [PMID: 33740241 DOI: 10.1007/978-981-33-6785-2_2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Lipids have many critical biological functions in cancer. There are characteristic changes of lipid metabolism and metabolites in different physiological and pathological processes. Lipidomics is an emerging discipline of metabolomics for systematic analysis of lipids in organisms, tissues, or cells and the molecules that interact with them. With the development of new analytical techniques, especially the application and development of mass spectrometry techniques, the determination of lipids can be carried out quickly and accurately and has a high throughput. A large number of studies have shown that abnormal lipid metabolism is closely related to the occurrence and development of tumors. The application of lipidomics technology can reveal changes in lipids and relative abnormal metabolic pathways associated with tumors. Moreover, it shows a wide range of application prospects in the identification of tumor lipid biomarkers, early tumor diagnosis, and the discovery of antitumor drug targets. This chapter mainly introduces the application and development direction of lipidomics in the diagnosis and therapy of different tumors.
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Affiliation(s)
- Yuping Wang
- Department of Gastroenterology, Key Laboratory for Gastrointestinal Diseases of Gansu Province, The First Hospital of Lanzhou University, Lanzhou, Gansu Province, China.
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23
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Brejchova K, Balas L, Paluchova V, Brezinova M, Durand T, Kuda O. Understanding FAHFAs: From structure to metabolic regulation. Prog Lipid Res 2020; 79:101053. [PMID: 32735891 DOI: 10.1016/j.plipres.2020.101053] [Citation(s) in RCA: 54] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Accepted: 07/19/2020] [Indexed: 01/01/2023]
Abstract
The discovery of branched fatty acid esters of hydroxy fatty acids (FAHFAs) in humans draw attention of many researches to their biological effects. Although FAHFAs were originally discovered in insects and plants, their introduction into the mammalian realm opened new horizons in bioactive lipid research. Hundreds of isomers from different families have been identified so far and their role in (patho) physiological processes is currently being explored. The family of palmitic acid esters of hydroxy stearic acids (PAHSAs), especially 5-PAHSA and 9-PAHSA regioisomers, stands out in the crowd of other FAHFAs for their anti-inflammatory and anti-diabetic effects. Beneficial effects of PAHSAs have been linked to metabolic disorders such as type 1 and type 2 diabetes, colitis, and chronic inflammation. Besides PAHSAs, a growing family of polyunsaturated FAHFAs exerts mainly immunomodulatory effects and biological roles of many other FAHFAs remain currently unknown. Therefore, FAHFAs represent unique lipid messengers capable of affecting many immunometabolic processes. The objective of this review is to summarize the knowledge concerning the diversity of FAHFAs, nomenclature, and their analysis and detection. Special attention is paid to the total syntheses of FAHFAs, optimal strategies, and to the formation of the stereocenter required for optically active molecules. Biosynthetic pathways of saturated and polyunsaturated FAHFAs in mammals and plants are reviewed together with their metabolism and degradation. Moreover, an overview of biological effects of branched FAHFAs is provided and many unanswered questions regarding FAHFAs are discussed.
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Affiliation(s)
- Kristyna Brejchova
- Institute of Physiology of the Czech Academy of Sciences, Videnska 1083, 14220 Prague, Czech Republic
| | - Laurence Balas
- Institut des Biomolécules Max Mousseron, UMR 5247, CNRS, Université Montpellier, ENSCM, Faculté de Pharmacie, Montpellier, France
| | - Veronika Paluchova
- Institute of Physiology of the Czech Academy of Sciences, Videnska 1083, 14220 Prague, Czech Republic
| | - Marie Brezinova
- Institute of Physiology of the Czech Academy of Sciences, Videnska 1083, 14220 Prague, Czech Republic
| | - Thierry Durand
- Institut des Biomolécules Max Mousseron, UMR 5247, CNRS, Université Montpellier, ENSCM, Faculté de Pharmacie, Montpellier, France
| | - Ondrej Kuda
- Institute of Physiology of the Czech Academy of Sciences, Videnska 1083, 14220 Prague, Czech Republic.
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24
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Plasma Lipid Profile Reveals Plasmalogens as Potential Biomarkers for Colon Cancer Screening. Metabolites 2020; 10:metabo10060262. [PMID: 32630389 PMCID: PMC7345851 DOI: 10.3390/metabo10060262] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2020] [Revised: 06/12/2020] [Accepted: 06/12/2020] [Indexed: 12/24/2022] Open
Abstract
In this era of precision medicine, there is an increasingly urgent need for highly sensitive tests for detecting tumors such as colon cancer (CC), a silent disease where the first symptoms may take 10–15 years to appear. Mass spectrometry-based lipidomics is an emerging tool for such clinical diagnosis. We used ultra-performance liquid chromatography coupled to electrospray ionization quadrupole time-of-flight mass spectrometry operating in high energy collision spectral acquisition mode (MSE) mode (UPLC-QTOF-MSE) and gas chromatography (GC) to investigate differences between the plasmatic lipidic composition of CC patients and control (CTR) subjects. Key enzymes in lipidic metabolism were investigated using immuno-based detection assays. Our partial least squares discriminant analysis (PLS-DA) resulted in a suitable discrimination between CTR and CC plasma samples. Forty-two statistically significant discriminating lipids were putatively identified. Ether lipids showed a prominent presence and accordingly, a decrease in glyceronephosphate O-acyltransferase (GNPAT) enzyme activity was found. A receiver operating characteristic (ROC) curve built for three plasmalogens of phosphatidylserine (PS), named PS(P-36:1), PS(P-38:3) and PS(P-40:5), presented an area under the curve (AUC) of 0.998, and sensitivity and specificity of 100 and 85.7% respectively. These results show significant differences in CC patients’ plasma lipid composition that may be useful in discriminating them from CTR individuals with a special role for plasmalogens.
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