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Sindelar M, Stancliffe E, Schwaiger-Haber M, Anbukumar DS, Adkins-Travis K, Goss CW, O’Halloran JA, Mudd PA, Liu WC, Albrecht RA, García-Sastre A, Shriver LP, Patti GJ. Longitudinal metabolomics of human plasma reveals prognostic markers of COVID-19 disease severity. Cell Rep Med 2021; 2:100369. [PMID: 34308390 PMCID: PMC8292035 DOI: 10.1016/j.xcrm.2021.100369] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2021] [Revised: 06/01/2021] [Accepted: 07/15/2021] [Indexed: 02/07/2023]
Abstract
There is an urgent need to identify which COVID-19 patients will develop life-threatening illness so that medical resources can be optimally allocated and rapid treatment can be administered early in the disease course, when clinical management is most effective. To aid in the prognostic classification of disease severity, we perform untargeted metabolomics on plasma from 339 patients, with samples collected at six longitudinal time points. Using the temporal metabolic profiles and machine learning, we build a predictive model of disease severity. We discover that a panel of metabolites measured at the time of study entry successfully determines disease severity. Through analysis of longitudinal samples, we confirm that most of these markers are directly related to disease progression and that their levels return to baseline upon disease recovery. Finally, we validate that these metabolites are also altered in a hamster model of COVID-19.
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Affiliation(s)
- Miriam Sindelar
- Department of Chemistry, Washington University, St. Louis, MO, USA
- Department of Medicine, Washington University, St. Louis, MO, USA
| | - Ethan Stancliffe
- Department of Chemistry, Washington University, St. Louis, MO, USA
- Department of Medicine, Washington University, St. Louis, MO, USA
| | - Michaela Schwaiger-Haber
- Department of Chemistry, Washington University, St. Louis, MO, USA
- Department of Medicine, Washington University, St. Louis, MO, USA
| | - Dhanalakshmi S. Anbukumar
- Department of Chemistry, Washington University, St. Louis, MO, USA
- Department of Medicine, Washington University, St. Louis, MO, USA
| | | | - Charles W. Goss
- Division of Biostatistics, Washington University School of Medicine, St. Louis, MO, USA
| | | | - Philip A. Mudd
- Department of Emergency Medicine, Washington University, St. Louis, MO, USA
| | - Wen-Chun Liu
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York City, NY, USA
- Global Health and Emerging Pathogens Institute, Icahn School of Medicine at Mount Sinai, New York City, NY, USA
| | - Randy A. Albrecht
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York City, NY, USA
- Global Health and Emerging Pathogens Institute, Icahn School of Medicine at Mount Sinai, New York City, NY, USA
| | - Adolfo García-Sastre
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York City, NY, USA
- Global Health and Emerging Pathogens Institute, Icahn School of Medicine at Mount Sinai, New York City, NY, USA
- Department of Medicine, Division of Infectious Diseases, Icahn School of Medicine at Mount Sinai, New York City, NY, USA
- The Tisch Cancer Institute, Icahn School of Medicine at Mount Sinai, New York City, NY, USA
- Department of Pathology, Molecular and Cell-Based Medicine, Icahn School of Medicine at Mount Sinai, New York City, NY, USA
| | - Leah P. Shriver
- Department of Chemistry, Washington University, St. Louis, MO, USA
- Department of Medicine, Washington University, St. Louis, MO, USA
| | - Gary J. Patti
- Department of Chemistry, Washington University, St. Louis, MO, USA
- Department of Medicine, Washington University, St. Louis, MO, USA
- Siteman Cancer Center, Washington University, St. Louis, MO, USA
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Wu P, Chen D, Ding W, Wu P, Hou H, Bai Y, Zhou Y, Li K, Xiang S, Liu P, Ju J, Guo E, Liu J, Yang B, Fan J, He L, Sun Z, Feng L, Wang J, Wu T, Wang H, Cheng J, Xing H, Meng Y, Li Y, Zhang Y, Luo H, Xie G, Lan X, Tao Y, Li J, Yuan H, Huang K, Sun W, Qian X, Li Z, Huang M, Ding P, Wang H, Qiu J, Wang F, Wang S, Zhu J, Ding X, Chai C, Liang L, Wang X, Luo L, Sun Y, Yang Y, Zhuang Z, Li T, Tian L, Zhang S, Zhu L, Chang A, Chen L, Wu Y, Ma X, Chen F, Ren Y, Xu X, Liu S, Wang J, Yang H, Wang L, Sun C, Ma D, Jin X, Chen G. The trans-omics landscape of COVID-19. Nat Commun 2021; 12:4543. [PMID: 34315889 PMCID: PMC8316550 DOI: 10.1038/s41467-021-24482-1] [Citation(s) in RCA: 59] [Impact Index Per Article: 19.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2020] [Accepted: 05/10/2021] [Indexed: 01/10/2023] Open
Abstract
The outbreak of coronavirus disease 2019 (COVID-19) is a global health emergency. Various omics results have been reported for COVID-19, but the molecular hallmarks of COVID-19, especially in those patients without comorbidities, have not been fully investigated. Here we collect blood samples from 231 COVID-19 patients, prefiltered to exclude those with selected comorbidities, yet with symptoms ranging from asymptomatic to critically ill. Using integrative analysis of genomic, transcriptomic, proteomic, metabolomic and lipidomic profiles, we report a trans-omics landscape for COVID-19. Our analyses find neutrophils heterogeneity between asymptomatic and critically ill patients. Meanwhile, neutrophils over-activation, arginine depletion and tryptophan metabolites accumulation correlate with T cell dysfunction in critical patients. Our multi-omics data and characterization of peripheral blood from COVID-19 patients may thus help provide clues regarding pathophysiology of and potential therapeutic strategies for COVID-19.
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Affiliation(s)
- Peng Wu
- Cancer Biology Research Center (Key Laboratory of the Ministry of Education), Tongji Medical College, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, China
- Department of Gynecologic Oncology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | | | - Wencheng Ding
- Cancer Biology Research Center (Key Laboratory of the Ministry of Education), Tongji Medical College, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, China
- Department of Gynecologic Oncology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Ping Wu
- Cancer Biology Research Center (Key Laboratory of the Ministry of Education), Tongji Medical College, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, China
- Department of Gynecologic Oncology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Hongyan Hou
- Department of Laboratory Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | | | - Yuwen Zhou
- BGI-Shenzhen, Shenzhen, China
- BGI Education Center, University of Chinese Academy of Sciences, Shenzhen, China
| | - Kezhen Li
- Cancer Biology Research Center (Key Laboratory of the Ministry of Education), Tongji Medical College, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, China
- Department of Gynecologic Oncology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | | | | | - Jia Ju
- BGI-Shenzhen, Shenzhen, China
- BGI Education Center, University of Chinese Academy of Sciences, Shenzhen, China
| | - Ensong Guo
- Cancer Biology Research Center (Key Laboratory of the Ministry of Education), Tongji Medical College, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, China
- Department of Gynecologic Oncology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jia Liu
- Cancer Biology Research Center (Key Laboratory of the Ministry of Education), Tongji Medical College, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, China
- Department of Gynecologic Oncology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Bin Yang
- Cancer Biology Research Center (Key Laboratory of the Ministry of Education), Tongji Medical College, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, China
- Department of Gynecologic Oncology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Junpeng Fan
- Cancer Biology Research Center (Key Laboratory of the Ministry of Education), Tongji Medical College, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, China
| | - Liang He
- Cancer Biology Research Center (Key Laboratory of the Ministry of Education), Tongji Medical College, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, China
| | - Ziyong Sun
- Department of Laboratory Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Ling Feng
- Department of Gynecology and Obstetrics, Tongji Hospital, Tongji Medical College, Huazhong University of Science & Technology, Wuhan, China
| | - Jian Wang
- Department of Clinical Laboratory, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Tangchun Wu
- Department of Occupational and Environmental Health, Key Laboratory of Environment and Health, Ministry of Education and State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Hao Wang
- Department of Occupational and Environmental Health, Key Laboratory of Environment and Health, Ministry of Education and State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jin Cheng
- Department of Research, Xiangyang Central Hospital, Hubei University of Arts and Science, Xiangyang, Hubei, China
| | - Hui Xing
- Department of Obstetrics and Gynecology, Xiangyang Central Hospital, Hubei University of Arts and Science, Xiangyang, Hubei, China
| | - Yifan Meng
- Department of Gynecologic Oncology, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-Sen University Cancer Center, Guangzhou, China
| | - Yongsheng Li
- Key Laboratory of Tropical Translational Medicine of Ministry of Education, Hainan Medical University, Haikou, China
| | | | - Hongbo Luo
- BGI-Shenzhen, Shenzhen, China
- BGI-Guizhou, BGI-Shenzhen, Guiyang, China
| | - Gang Xie
- BGI-Shenzhen, Shenzhen, China
- BGI Education Center, University of Chinese Academy of Sciences, Shenzhen, China
| | | | - Ye Tao
- BGI-Shenzhen, Shenzhen, China
| | - Jiafeng Li
- BGI-Shenzhen, Shenzhen, China
- BGI Education Center, University of Chinese Academy of Sciences, Shenzhen, China
| | - Hao Yuan
- BGI-Shenzhen, Shenzhen, China
- BGI Education Center, University of Chinese Academy of Sciences, Shenzhen, China
| | | | - Wan Sun
- BGI-Shenzhen, Shenzhen, China
| | - Xiaobo Qian
- BGI-Shenzhen, Shenzhen, China
- BGI Education Center, University of Chinese Academy of Sciences, Shenzhen, China
| | - Zhichao Li
- BGI-Shenzhen, Shenzhen, China
- BGI Education Center, University of Chinese Academy of Sciences, Shenzhen, China
| | - Mingxi Huang
- BGI-Shenzhen, Shenzhen, China
- BGI Education Center, University of Chinese Academy of Sciences, Shenzhen, China
| | - Peiwen Ding
- BGI-Shenzhen, Shenzhen, China
- BGI Education Center, University of Chinese Academy of Sciences, Shenzhen, China
| | - Haoyu Wang
- BGI-Shenzhen, Shenzhen, China
- BGI Education Center, University of Chinese Academy of Sciences, Shenzhen, China
| | - Jiaying Qiu
- BGI-Shenzhen, Shenzhen, China
- BGI Education Center, University of Chinese Academy of Sciences, Shenzhen, China
| | - Feiyue Wang
- BGI-Shenzhen, Shenzhen, China
- BGI Education Center, University of Chinese Academy of Sciences, Shenzhen, China
| | - Shiyou Wang
- BGI-Shenzhen, Shenzhen, China
- BGI Education Center, University of Chinese Academy of Sciences, Shenzhen, China
| | - Jiacheng Zhu
- BGI-Shenzhen, Shenzhen, China
- BGI Education Center, University of Chinese Academy of Sciences, Shenzhen, China
| | - Xiangning Ding
- BGI-Shenzhen, Shenzhen, China
- BGI Education Center, University of Chinese Academy of Sciences, Shenzhen, China
| | - Chaochao Chai
- BGI-Shenzhen, Shenzhen, China
- BGI Education Center, University of Chinese Academy of Sciences, Shenzhen, China
| | - Langchao Liang
- BGI-Shenzhen, Shenzhen, China
- BGI Education Center, University of Chinese Academy of Sciences, Shenzhen, China
| | - Xiaoling Wang
- BGI-Shenzhen, Shenzhen, China
- BGI Education Center, University of Chinese Academy of Sciences, Shenzhen, China
| | - Lihua Luo
- BGI-Shenzhen, Shenzhen, China
- BGI Education Center, University of Chinese Academy of Sciences, Shenzhen, China
| | | | | | - Zhenkun Zhuang
- BGI-Shenzhen, Shenzhen, China
- School of Biology and Biological Engineering, South China University of Technology, Guangzhou, China
| | - Tao Li
- BGI-Shenzhen, Shenzhen, China
| | | | | | | | | | - Lei Chen
- College of Veterinary Medicine, Yangzhou University, Yangzhou, China
| | - Yiquan Wu
- HIV and AIDS Malignancy Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Xiaoyan Ma
- Department of Biochemistry, University of Cambridge, Cambridge, UK
| | | | - Yan Ren
- BGI-Shenzhen, Shenzhen, China
| | - Xun Xu
- BGI-Shenzhen, Shenzhen, China
- Guangdong Provincial Key Laboratory of Genome Read and Write, BGI-Shenzhen, Shenzhen, China
| | | | - Jian Wang
- BGI-Shenzhen, Shenzhen, China
- James D. Watson Institute of Genome Science, Hangzhou, China
| | - Huanming Yang
- BGI-Shenzhen, Shenzhen, China
- James D. Watson Institute of Genome Science, Hangzhou, China
| | - Lin Wang
- Department of Clinical Laboratory, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
| | - Chaoyang Sun
- Cancer Biology Research Center (Key Laboratory of the Ministry of Education), Tongji Medical College, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, China.
- Department of Gynecologic Oncology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
| | - Ding Ma
- Cancer Biology Research Center (Key Laboratory of the Ministry of Education), Tongji Medical College, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, China.
- Department of Gynecologic Oncology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
| | - Xin Jin
- BGI-Shenzhen, Shenzhen, China.
- School of Medicine, South China University of Technology, Guangzhou, Guangdong, China.
- Guangdong Provincial Key Laboratory of Human Disease Genomics, Shenzhen Key Laboratory of Genomics, BGI-Shenzhen, Shenzhen, China.
| | - Gang Chen
- Cancer Biology Research Center (Key Laboratory of the Ministry of Education), Tongji Medical College, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, China.
- Department of Gynecologic Oncology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
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Gray N, Lawler NG, Zeng AX, Ryan M, Bong SH, Boughton BA, Bizkarguenaga M, Bruzzone C, Embade N, Wist J, Holmes E, Millet O, Nicholson JK, Whiley L. Diagnostic Potential of the Plasma Lipidome in Infectious Disease: Application to Acute SARS-CoV-2 Infection. Metabolites 2021; 11:467. [PMID: 34357361 PMCID: PMC8306636 DOI: 10.3390/metabo11070467] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2021] [Revised: 07/09/2021] [Accepted: 07/12/2021] [Indexed: 02/07/2023] Open
Abstract
Improved methods are required for investigating the systemic metabolic effects of SARS-CoV-2 infection and patient stratification for precision treatment. We aimed to develop an effective method using lipid profiles for discriminating between SARS-CoV-2 infection, healthy controls, and non-SARS-CoV-2 respiratory infections. Targeted liquid chromatography-mass spectrometry lipid profiling was performed on discovery (20 SARS-CoV-2-positive; 37 healthy controls; 22 COVID-19 symptoms but SARS-CoV-2negative) and validation (312 SARS-CoV-2-positive; 100 healthy controls) cohorts. Orthogonal projection to latent structure-discriminant analysis (OPLS-DA) and Kruskal-Wallis tests were applied to establish discriminant lipids, significance, and effect size, followed by logistic regression to evaluate classification performance. OPLS-DA reported separation of SARS-CoV-2 infection from healthy controls in the discovery cohort, with an area under the curve (AUC) of 1.000. A refined panel of discriminant features consisted of six lipids from different subclasses (PE, PC, LPC, HCER, CER, and DCER). Logistic regression in the discovery cohort returned a training ROC AUC of 1.000 (sensitivity = 1.000, specificity = 1.000) and a test ROC AUC of 1.000. The validation cohort produced a training ROC AUC of 0.977 (sensitivity = 0.855, specificity = 0.948) and a test ROC AUC of 0.978 (sensitivity = 0.948, specificity = 0.922). The lipid panel was also able to differentiate SARS-CoV-2-positive individuals from SARS-CoV-2-negative individuals with COVID-19-like symptoms (specificity = 0.818). Lipid profiling and multivariate modelling revealed a signature offering mechanistic insights into SARS-CoV-2, with strong predictive power, and the potential to facilitate effective diagnosis and clinical management.
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Affiliation(s)
- Nicola Gray
- Australian National Phenome Centre, Health Futures Institute, Harry Perkins Institute, Murdoch University, 5 Robin Warren Drive, Perth, WA 6150, Australia; (N.G.); (N.G.L.); (A.X.Z.); (M.R.); (S.H.B.); (B.A.B.); (J.W.); (E.H.)
- Centre for Computational and Systems Medicine, Health Futures Institute, Harry Perkins Institute, Murdoch University, 5 Robin Warren Drive, Perth, WA 6150, Australia
| | - Nathan G. Lawler
- Australian National Phenome Centre, Health Futures Institute, Harry Perkins Institute, Murdoch University, 5 Robin Warren Drive, Perth, WA 6150, Australia; (N.G.); (N.G.L.); (A.X.Z.); (M.R.); (S.H.B.); (B.A.B.); (J.W.); (E.H.)
- Centre for Computational and Systems Medicine, Health Futures Institute, Harry Perkins Institute, Murdoch University, 5 Robin Warren Drive, Perth, WA 6150, Australia
| | - Annie Xu Zeng
- Australian National Phenome Centre, Health Futures Institute, Harry Perkins Institute, Murdoch University, 5 Robin Warren Drive, Perth, WA 6150, Australia; (N.G.); (N.G.L.); (A.X.Z.); (M.R.); (S.H.B.); (B.A.B.); (J.W.); (E.H.)
| | - Monique Ryan
- Australian National Phenome Centre, Health Futures Institute, Harry Perkins Institute, Murdoch University, 5 Robin Warren Drive, Perth, WA 6150, Australia; (N.G.); (N.G.L.); (A.X.Z.); (M.R.); (S.H.B.); (B.A.B.); (J.W.); (E.H.)
| | - Sze How Bong
- Australian National Phenome Centre, Health Futures Institute, Harry Perkins Institute, Murdoch University, 5 Robin Warren Drive, Perth, WA 6150, Australia; (N.G.); (N.G.L.); (A.X.Z.); (M.R.); (S.H.B.); (B.A.B.); (J.W.); (E.H.)
| | - Berin A. Boughton
- Australian National Phenome Centre, Health Futures Institute, Harry Perkins Institute, Murdoch University, 5 Robin Warren Drive, Perth, WA 6150, Australia; (N.G.); (N.G.L.); (A.X.Z.); (M.R.); (S.H.B.); (B.A.B.); (J.W.); (E.H.)
- Centre for Computational and Systems Medicine, Health Futures Institute, Harry Perkins Institute, Murdoch University, 5 Robin Warren Drive, Perth, WA 6150, Australia
| | - Maider Bizkarguenaga
- Centro de Investigación Cooperativa en Biociencias—CIC bioGUNE, Precision Medicine and Metabolism Laboratory, Basque Research and Technology Alliance, Bizkaia Science and Technology Park, Building 800, 48160 Derio, Spain; (M.B.); (C.B.); (N.E.)
| | - Chiara Bruzzone
- Centro de Investigación Cooperativa en Biociencias—CIC bioGUNE, Precision Medicine and Metabolism Laboratory, Basque Research and Technology Alliance, Bizkaia Science and Technology Park, Building 800, 48160 Derio, Spain; (M.B.); (C.B.); (N.E.)
| | - Nieves Embade
- Centro de Investigación Cooperativa en Biociencias—CIC bioGUNE, Precision Medicine and Metabolism Laboratory, Basque Research and Technology Alliance, Bizkaia Science and Technology Park, Building 800, 48160 Derio, Spain; (M.B.); (C.B.); (N.E.)
| | - Julien Wist
- Australian National Phenome Centre, Health Futures Institute, Harry Perkins Institute, Murdoch University, 5 Robin Warren Drive, Perth, WA 6150, Australia; (N.G.); (N.G.L.); (A.X.Z.); (M.R.); (S.H.B.); (B.A.B.); (J.W.); (E.H.)
- Chemistry Department, Universidad del Valle, Cali 76001, Colombia
| | - Elaine Holmes
- Australian National Phenome Centre, Health Futures Institute, Harry Perkins Institute, Murdoch University, 5 Robin Warren Drive, Perth, WA 6150, Australia; (N.G.); (N.G.L.); (A.X.Z.); (M.R.); (S.H.B.); (B.A.B.); (J.W.); (E.H.)
- Centre for Computational and Systems Medicine, Health Futures Institute, Harry Perkins Institute, Murdoch University, 5 Robin Warren Drive, Perth, WA 6150, Australia
- Department of Metabolism Digestion and Reproduction, Faculty of Medicine, Imperial College London, Sir Alexander Fleming Building, South Kensington, London SW7 2AZ, UK
| | - Oscar Millet
- Centro de Investigación Cooperativa en Biociencias—CIC bioGUNE, Precision Medicine and Metabolism Laboratory, Basque Research and Technology Alliance, Bizkaia Science and Technology Park, Building 800, 48160 Derio, Spain; (M.B.); (C.B.); (N.E.)
| | - Jeremy K. Nicholson
- Australian National Phenome Centre, Health Futures Institute, Harry Perkins Institute, Murdoch University, 5 Robin Warren Drive, Perth, WA 6150, Australia; (N.G.); (N.G.L.); (A.X.Z.); (M.R.); (S.H.B.); (B.A.B.); (J.W.); (E.H.)
- Centre for Computational and Systems Medicine, Health Futures Institute, Harry Perkins Institute, Murdoch University, 5 Robin Warren Drive, Perth, WA 6150, Australia
- Institute of Global Health Innovation, Faculty Building South Kensington Campus, Imperial College London, London SW7 2AZ, UK
| | - Luke Whiley
- Australian National Phenome Centre, Health Futures Institute, Harry Perkins Institute, Murdoch University, 5 Robin Warren Drive, Perth, WA 6150, Australia; (N.G.); (N.G.L.); (A.X.Z.); (M.R.); (S.H.B.); (B.A.B.); (J.W.); (E.H.)
- Centre for Computational and Systems Medicine, Health Futures Institute, Harry Perkins Institute, Murdoch University, 5 Robin Warren Drive, Perth, WA 6150, Australia
- Perron Institute for Neurological and Translational Science, Nedlands, WA 6009, Australia
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López-Hernández Y, Monárrez-Espino J, Oostdam ASHV, Delgado JEC, Zhang L, Zheng J, Valdez JJO, Mandal R, González FDLO, Moreno JCB, Trejo-Medinilla FM, López JA, Moreno JAE, Wishart DS. Targeted metabolomics identifies high performing diagnostic and prognostic biomarkers for COVID-19. Sci Rep 2021; 11:14732. [PMID: 34282210 PMCID: PMC8290000 DOI: 10.1038/s41598-021-94171-y] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2021] [Accepted: 07/06/2021] [Indexed: 12/14/2022] Open
Abstract
Research exploring the development and outcome of COVID-19 infections has led to the need to find better diagnostic and prognostic biomarkers. This cross-sectional study used targeted metabolomics to identify potential COVID-19 biomarkers that predicted the course of the illness by assessing 110 endogenous plasma metabolites from individuals admitted to a local hospital for diagnosis/treatment. Patients were classified into four groups (≈ 40 each) according to standard polymerase chain reaction (PCR) COVID-19 testing and disease course: PCR-/controls (i.e., non-COVID controls), PCR+/not-hospitalized, PCR+/hospitalized, and PCR+/intubated. Blood samples were collected within 2 days of admission/PCR testing. Metabolite concentration data, demographic data and clinical data were used to propose biomarkers and develop optimal regression models for the diagnosis and prognosis of COVID-19. The area under the receiver operating characteristic curve (AUC; 95% CI) was used to assess each models' predictive value. A panel that included the kynurenine: tryptophan ratio, lysoPC a C26:0, and pyruvic acid discriminated non-COVID controls from PCR+/not-hospitalized (AUC = 0.947; 95% CI 0.931-0.962). A second panel consisting of C10:2, butyric acid, and pyruvic acid distinguished PCR+/not-hospitalized from PCR+/hospitalized and PCR+/intubated (AUC = 0.975; 95% CI 0.968-0.983). Only lysoPC a C28:0 differentiated PCR+/hospitalized from PCR+/intubated patients (AUC = 0.770; 95% CI 0.736-0.803). If additional studies with targeted metabolomics confirm the diagnostic value of these plasma biomarkers, such panels could eventually be of clinical use in medical practice.
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Affiliation(s)
- Yamilé López-Hernández
- Cátedras-CONACyT, Consejo Nacional de Ciencia y Tecnologia, 03940, México, México.
- Autonomous University of Zacatecas, 98000, Zacatecas, Mexico.
| | - Joel Monárrez-Espino
- Christus Muguerza Hospital Chihuahua-University of Monterrey, 31000, Chihuahua, Mexico.
| | | | - Julio Enrique Castañeda Delgado
- Cátedras-CONACyT, Consejo Nacional de Ciencia y Tecnologia, 03940, México, México
- Unidad de Investigación Biomédica de Zacatecas, Instituto Mexicano del Seguro Social, 98000, Zacatecas, México
| | - Lun Zhang
- The Metabolomics Innovation Center, University of Alberta, Edmonton, AB, T6G1C9, Canada
| | - Jiamin Zheng
- The Metabolomics Innovation Center, University of Alberta, Edmonton, AB, T6G1C9, Canada
| | - Juan José Oropeza Valdez
- Unidad de Investigación Biomédica de Zacatecas, Instituto Mexicano del Seguro Social, 98000, Zacatecas, México
| | - Rupasri Mandal
- The Metabolomics Innovation Center, University of Alberta, Edmonton, AB, T6G1C9, Canada
| | - Fátima de Lourdes Ochoa González
- Unidad de Investigación Biomédica de Zacatecas, Instituto Mexicano del Seguro Social, 98000, Zacatecas, México
- Doctorado en Ciencias Básicas, Universidad Autónoma de Zacatecas, Zacatecas, México
| | - Juan Carlos Borrego Moreno
- Departmento de Epidemiología, Hospital General de Zona #1 "Emilio Varela Luján", Instituto Mexicano del Seguro Social, 98000, Zacatecas, México
| | - Flor M Trejo-Medinilla
- Autonomous University of Zacatecas, 98000, Zacatecas, Mexico
- Doctorado en Ciencias Básicas, Universidad Autónoma de Zacatecas, Zacatecas, México
| | - Jesús Adrián López
- MicroRNAs Laboratory, Academic Unit for Biological Sciences, Autonomous University of Zacatecas, 98000, Zacatecas, Mexico
| | - José Antonio Enciso Moreno
- Unidad de Investigación Biomédica de Zacatecas, Instituto Mexicano del Seguro Social, 98000, Zacatecas, México
| | - David S Wishart
- The Metabolomics Innovation Center, University of Alberta, Edmonton, AB, T6G1C9, Canada
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55
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Amunugama K, Pike DP, Ford DA. The lipid biology of sepsis. J Lipid Res 2021; 62:100090. [PMID: 34087197 PMCID: PMC8243525 DOI: 10.1016/j.jlr.2021.100090] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Revised: 05/20/2021] [Accepted: 05/21/2021] [Indexed: 01/12/2023] Open
Abstract
Sepsis, defined as the dysregulated immune response to an infection leading to organ dysfunction, is one of the leading causes of mortality around the globe. Despite the significant progress in delineating the underlying mechanisms of sepsis pathogenesis, there are currently no effective treatments or specific diagnostic biomarkers in the clinical setting. The perturbation of cell signaling mechanisms, inadequate inflammation resolution, and energy imbalance, all of which are altered during sepsis, are also known to lead to defective lipid metabolism. The use of lipids as biomarkers with high specificity and sensitivity may aid in early diagnosis and guide clinical decision making. In addition, identifying the link between specific lipid signatures and their role in sepsis pathology may lead to novel therapeutics. In this review, we discuss the recent evidence on dysregulated lipid metabolism both in experimental and human sepsis focused on bioactive lipids, fatty acids, and cholesterol as well as the enzymes regulating their levels during sepsis. We highlight not only their potential roles in sepsis pathogenesis but also the possibility of using these respective lipid compounds as diagnostic and prognostic biomarkers of sepsis.
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Affiliation(s)
- Kaushalya Amunugama
- Edward A. Doisy Department of Biochemistry and Molecular Biology, Saint Louis University School of Medicine, St. Louis, MO, USA; Center for Cardiovascular Research, Saint Louis University School of Medicine, St. Louis, MO, USA
| | - Daniel P Pike
- Edward A. Doisy Department of Biochemistry and Molecular Biology, Saint Louis University School of Medicine, St. Louis, MO, USA; Center for Cardiovascular Research, Saint Louis University School of Medicine, St. Louis, MO, USA
| | - David A Ford
- Edward A. Doisy Department of Biochemistry and Molecular Biology, Saint Louis University School of Medicine, St. Louis, MO, USA; Center for Cardiovascular Research, Saint Louis University School of Medicine, St. Louis, MO, USA.
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56
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Langley RJ, Migaud ME, Flores L, Thompson JW, Kean EA, Mostellar MM, Mowry M, Luckett P, Purcell LD, Lovato J, Gandotra S, Benton R, Files DC, Harrod KS, Gillespie MN, Morris PE. A metabolomic endotype of bioenergetic dysfunction predicts mortality in critically ill patients with acute respiratory failure. Sci Rep 2021; 11:10515. [PMID: 34006901 PMCID: PMC8131588 DOI: 10.1038/s41598-021-89716-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Accepted: 04/05/2021] [Indexed: 12/25/2022] Open
Abstract
Acute respiratory failure (ARF) requiring mechanical ventilation, a complicating factor in sepsis and other disorders, is associated with high morbidity and mortality. Despite its severity and prevalence, treatment options are limited. In light of accumulating evidence that mitochondrial abnormalities are common in ARF, here we applied broad spectrum quantitative and semiquantitative metabolomic analyses of serum from ARF patients to detect bioenergetic dysfunction and determine its association with survival. Plasma samples from surviving and non-surviving patients (N = 15/group) were taken at day 1 and day 3 after admission to the medical intensive care unit and, in survivors, at hospital discharge. Significant differences between survivors and non-survivors (ANOVA, 5% FDR) include bioenergetically relevant intermediates of redox cofactors nicotinamide adenine dinucleotide (NAD) and NAD phosphate (NADP), increased acyl-carnitines, bile acids, and decreased acyl-glycerophosphocholines. Many metabolites associated with poor outcomes are substrates of NAD(P)-dependent enzymatic processes, while alterations in NAD cofactors rely on bioavailability of dietary B-vitamins thiamine, riboflavin and pyridoxine. Changes in the efficiency of the nicotinamide-derived cofactors' biosynthetic pathways also associate with alterations in glutathione-dependent drug metabolism characterized by substantial differences observed in the acetaminophen metabolome. Based on these findings, a four-feature model developed with semi-quantitative and quantitative metabolomic results predicted patient outcomes with high accuracy (AUROC = 0.91). Collectively, this metabolomic endotype points to a close association between mitochondrial and bioenergetic dysfunction and mortality in human ARF, thus pointing to new pharmacologic targets to reduce mortality in this condition.
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Affiliation(s)
| | - Marie E Migaud
- University of South Alabama College of Medicine, Mobile, AL, USA
| | - Lori Flores
- Wake Forest Baptist Medical Center, Winston-Salem, NC, USA
| | - J Will Thompson
- Duke University Center for Genomic and Computational Biology, Durham, NC, USA
| | - Elizabeth A Kean
- University of South Alabama College of Medicine, Mobile, AL, USA
| | | | - Matthew Mowry
- University of South Alabama College of Medicine, Mobile, AL, USA
| | - Patrick Luckett
- Washington University in Saint Louis, Saint Louis, MO, USA
- University of South Alabama School of Computing, Mobile, AL, USA
| | - Lina D Purcell
- Wake Forest Baptist Medical Center, Winston-Salem, NC, USA
| | - James Lovato
- Wake Forest Baptist Medical Center, Winston-Salem, NC, USA
| | - Sheetal Gandotra
- Wake Forest Baptist Medical Center, Winston-Salem, NC, USA
- University of Alabama-Birmingham College of Medicine, Birmingham, AL, USA
| | - Ryan Benton
- University of South Alabama School of Computing, Mobile, AL, USA
| | - D Clark Files
- Wake Forest Baptist Medical Center, Winston-Salem, NC, USA
| | - Kevin S Harrod
- University of Alabama-Birmingham College of Medicine, Birmingham, AL, USA
| | - Mark N Gillespie
- University of South Alabama College of Medicine, Mobile, AL, USA
| | - Peter E Morris
- Wake Forest Baptist Medical Center, Winston-Salem, NC, USA.
- Division of Pulmonary, Critical Care and Sleep Medicine, University of Kentucky Health Care, 206E Mathews Building, Lexington, KY, 40506-0047, USA.
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57
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Luo K, Zhao H, Bian B, Wei X, Si N, Brantner A, Fan X, Gu X, Zhou Y, Wang H. Huanglian Jiedu Decoction in the Treatment of the Traditional Chinese Medicine Syndrome "Shanghuo"-An Intervention Study. Front Pharmacol 2021; 12:616318. [PMID: 33995016 PMCID: PMC8120301 DOI: 10.3389/fphar.2021.616318] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Accepted: 03/05/2021] [Indexed: 01/16/2023] Open
Abstract
“Shanghuo” (“excessive internal heat”) is caused by exuberant endogenous fire, which does not have a comprehensive and systematic traditional Chinese medicine theory. In previous study, we had evaluated the therapeutic effect of Huanglian Jiedu Decoction (HLJDD) (granule) on patients with “Shanghuo”, however, the specific mechanism was not clear, which need further exploration. To explain its intervention mechanism, we select 57 patients with oral diseases caused by “Shanghuo” and 20 health volunteers to divide into oral disease group, HLJDD intervention group and healthy control group. Firstly, biochemical indicators before and after HLJDD intervention are detected, such as inflammatory factors, oxidative stress factors and energy metabolism factors. The results exhibit that HLJDD significantly decreases indicators succinic acid (p < 0.001); tumor necrosis factor-alpha, adenosine triphosphate, citric acid (p < 0.01); interleukin-8 (IL-8), 4-hydroxynonenal, pyruvic acid, lactate dehydrogenase (p < 0.05). The levels of glucocorticoid, adrenocorticotropic hormone (p < 0.01); lactic acid, IL-4, IL-10 (p < 0.05) significantly increase after HLJDD intervention. In addition, we adopt multi-omics analysis approach to investigate the potential biomarkers. Nontargeted metabolomics demonstrate that the levels of 7 differential metabolites approach that in the healthy control group after HLJDD intervention, which are correlated with histidine metabolism, beta-alanine metabolism and sphingolipid metabolism through metabolic pathway analysis. Targeted lipidomics results and receiver operating characteristic curve analysis show that 13 differential lipids are identified in the three groups mainly focuse on lysophosphatidylcholines, lysophosphatidylethanolamines. Finally, the network associations of those differential biomarkers reveal the regulation of adenosine triphosphate and tricarboxylic acid cycle play essential role in the therapeutic effect mechanism of HLJDD in “Shanghuo”. The study has laid the foundation for further revealing the mechanism and finding clinical biomarkers related to “Shanghuo”.
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Affiliation(s)
- Keke Luo
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China
| | - Haiyu Zhao
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China
| | - Baolin Bian
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China
| | - Xiaolu Wei
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China
| | - Nan Si
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China
| | - Adelheid Brantner
- Institute of Pharmaceutical Sciences, University of Graz, Graz, Austria
| | - Xiaorui Fan
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China
| | - Xinru Gu
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China
| | - Yanyan Zhou
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China
| | - Hongjie Wang
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China
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58
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Characterization of the Plasma Lipidome in Dairy Cattle Transitioning from Gestation to Lactation: Identifying Novel Biomarkers of Metabolic Impairment. Metabolites 2021; 11:metabo11050290. [PMID: 33946522 PMCID: PMC8147189 DOI: 10.3390/metabo11050290] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2021] [Revised: 04/12/2021] [Accepted: 04/19/2021] [Indexed: 11/16/2022] Open
Abstract
The discovery of novel biomarkers for peripartal diseases in dairy cows can improve our understanding of normal and dysfunctional metabolism, and lead to nutritional interventions that improve health and milk production. Our objectives were to characterize the plasma lipidome and identify metabolites associated with common markers of metabolic disease in peripartal dairy cattle. Multiparous Holstein cows (n = 27) were enrolled 30 d prior to expected parturition. Blood and liver samples were routinely collected through to d 14 postpartum. Untargeted lipidomics was performed using quadrupole time-of-flight mass spectrometry. Based on postpartum measures, cows were categorized into low or high total fatty acid area under the curve (total FAAUC; d 1-14 postpartum; 4915 ± 1369 vs. 12,501 ± 2761 (μmol/L × 14 d); n = 18), β-hydroxybutyrate AUC (BHBAAUC; d 1-14 postpartum; 4583 ± 459 vs. 7901 ± 1206 (μmol/L × 14 d); n = 18), or liver lipid content (d 5 and 14 postpartum; 5 ± 1 vs. 12 ± 2% of wet weight; n = 18). Cows displayed decreases in plasma triacylglycerols and monoalkyl-diacylglycerols, and the majority of phospholipids reached a nadir at parturition. Phosphatidylcholines (PC) 32:3, 35:5, and 37:5 were specific for high total FAAUC, PC 31:3, 32:3, 35:5, and 37:5 were specific for high BHBAAUC, and PC 31:2, 31:3, and 32:3 were specific for high liver lipid content. PC 32:3 was specific for elevated total FA, BHBA, and liver lipid content. Lipidomics revealed a dynamic peripartal lipidome remodeling, and lipid markers associated with elevated total FA, BHBA, and liver lipid content. The effectiveness of nutrition to impact these lipid biomarkers for preventing excess lipolysis and fatty liver warrants evaluation.
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59
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Elmsjö A, Vikingsson S, Söderberg C, Kugelberg FC, Green H. Post-Mortem Metabolomics: A Novel Approach in Clinical Biomarker Discovery and a Potential Tool in Death Investigations. Chem Res Toxicol 2021; 34:1496-1502. [PMID: 33890460 DOI: 10.1021/acs.chemrestox.0c00448] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Metabolomics can be defined as the scientific field aiming at characterizing all low-weight molecules (so-called metabolites) in a biological system. At the time of death, the level and type of metabolites present will most likely reflect the events leading up to death.In this proof of concept study, we investigated the potential of post-mortem metabolomics by identifying post-mortem biomarkers, correlated these identified biomarkers with those reported in clinical metabolomics studies, and finally validated the models predictability of unknown autopsy cases. In this post-mortem metabolomics setting, ultra-high performance liquid chromatography-quadrupole time-of-flight mass spectrometry data from 404 post-mortem samples, including pneumonia cases and control cases, were processed using XCMS (R). Potential biomarkers were evaluated using principal component analysis and orthogonal partial least squares-discriminant analysis. Biomarkers were putatively annotated using an in-house database and the online databases METLIN and HMDB. The results showed that clear group separation was observed between pneumonia cases and control cases. The metabolites responsible for group separation belonged to a broad set of biological classes, such as amino acids, carnitines, lipids, nicotinamides, nucleotides, and steroids. Many of these metabolites have been reported as important in clinical manifestation of pneumonia. For the unknown autopsy cases, the sensitivity and specificity were 86 and 84%, respectively. This study successfully investigated the robustness and usability of post-mortem metabolomics in death investigations. The identified post-mortem biomarkers correlated well with biomarkers reported and identified through clinical research.
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Affiliation(s)
- Albert Elmsjö
- Department of Forensic Genetics and Forensic Toxicology, National Board of Forensic Medicine, 587 58 Linköping, Sweden
| | - Svante Vikingsson
- RTI International, Research Triangle Park, North Carolina 27709, United States.,Division of Clinical Chemistry and Pharmacology, Department of Biomedical and Clinical Sciences, Linköping University, 581 83 Linköping, Sweden
| | - Carl Söderberg
- Department of Forensic Genetics and Forensic Toxicology, National Board of Forensic Medicine, 587 58 Linköping, Sweden
| | - Fredrik C Kugelberg
- Department of Forensic Genetics and Forensic Toxicology, National Board of Forensic Medicine, 587 58 Linköping, Sweden.,Division of Clinical Chemistry and Pharmacology, Department of Biomedical and Clinical Sciences, Linköping University, 581 83 Linköping, Sweden
| | - Henrik Green
- Department of Forensic Genetics and Forensic Toxicology, National Board of Forensic Medicine, 587 58 Linköping, Sweden.,Division of Clinical Chemistry and Pharmacology, Department of Biomedical and Clinical Sciences, Linköping University, 581 83 Linköping, Sweden
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60
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Boehm T, Ristl R, Joseph S, Petroczi K, Klavins K, Valent P, Jilma B. Metabolome and lipidome derangements during a severe mast cell activation event in a patient with indolent systemic mastocytosis. J Allergy Clin Immunol 2021; 148:1533-1544. [PMID: 33864889 DOI: 10.1016/j.jaci.2021.03.043] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Revised: 03/02/2021] [Accepted: 03/30/2021] [Indexed: 12/27/2022]
Abstract
BACKGROUND The number of mast cells in various organs is elevated manifold in individuals with systemic mastocytosis. Degranulation can lead to life-threatening symptomatology. No data about the alterations of the metabolome and lipidome during an attack have been published. OBJECTIVE Our aim was to analyze changes in metabolomics and lipidomics during the acute phase of a severe mast cell activation event. METHODS A total of 43 metabolites and 11 lipid classes comprising 200 subvariants from multiple plasma samples in duplicate, covering 72 hours of a severe mast cell activation attack with nausea and vomiting, were compared with 2 baseline samples by using quantitative liquid chromatography-mass spectrometry. RESULTS A strong enterocyte dysfunction reflected in an almost 20-fold reduction in the functional small bowel length was extrapolated from strongly reduced ornithine and citrulline concentrations and was very likely secondary to severe endothelial cell dysfunction with hypoperfusion and extensive vascular leakage. Highly increased histamine and lactate concentrations accompanied the peak in clinical symptoms. Elevated asymmetric and symmetric dimethylarginine levels combined with reduced arginine levels compromised endothelial nitric oxide synthase activity and nitric oxide signaling. Specific and extensive depletion of many lysophosphatidylcholine variants indicates localized autotaxin activation and lysophosphatidic acid release. A strong correlation of clinical parameters with histamine concentrations and symptom reduction after 100-fold elevated plasma diamine oxidase concentrations implies that histamine is the key driver of the acute phase. CONCLUSIONS Rapid elimination of elevated histamine concentrations through use of recombinant human diamine oxidase, supplementation of lysophosphatidylcholine for immunomodulation, inhibition of autotaxin activity, and/or blockade of lysophosphatidic acid receptors might represent new treatment options for life-threatening mast cell activation events.
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Affiliation(s)
- Thomas Boehm
- Department of Clinical Pharmacology, Medical University of Vienna, Vienna, Austria.
| | - Robin Ristl
- Section for Medical Statistics, Center of Medical Statistics, Informatics, and Intelligent Systems, Medical University of Vienna, Vienna, Austria
| | - Saijo Joseph
- Department of Clinical Pharmacology, Medical University of Vienna, Vienna, Austria
| | - Karin Petroczi
- Department of Clinical Pharmacology, Medical University of Vienna, Vienna, Austria
| | - Kristaps Klavins
- CeMM Research Center for Molecular Medicine, Austrian Academy of Sciences, Vienna, Austria
| | - Peter Valent
- Department of Internal Medicine I, Division of Hematology and Hemostaseology and Ludwig Boltzmann Cluster Oncology, Medical University of Vienna, Vienna, Austria
| | - Bernd Jilma
- Department of Clinical Pharmacology, Medical University of Vienna, Vienna, Austria
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61
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Roberds A, Ferraro E, Luckhart S, Stewart VA. HIV-1 Impact on Malaria Transmission: A Complex and Relevant Global Health Concern. Front Cell Infect Microbiol 2021; 11:656938. [PMID: 33912477 PMCID: PMC8071860 DOI: 10.3389/fcimb.2021.656938] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2021] [Accepted: 03/18/2021] [Indexed: 02/05/2023] Open
Abstract
Malaria/HIV-1 co-infection has become a significant public health problem in the tropics where there is geographical overlap of the two diseases. It is well described that co-infection impacts clinical progression of both diseases; however, less is known about the impact of co-infection on disease transmission. Malaria transmission is dependent upon multiple critical factors, one of which is the presence and viability of the sexual-stage gametocyte. In this review, we summarize evidence surrounding gametocyte production in Plasmodium falciparum and the development factors and the consequential impact that HIV-1 has on malaria parasite transmission. Epidemiological and clinical evidence surrounding anemia, immune dysregulation, and chemotherapy as it pertains to co-infection and gametocyte transmission are reviewed. We discuss significant gaps in understanding that are often due to the biological complexities of both diseases as well as the lack of entomological data necessary to define transmission success. In particular, we highlight special epidemiological populations, such as co-infected asymptomatic gametocyte carriers, and the unique role these populations have in a future focused on malaria elimination and eradication.
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Affiliation(s)
- Ashleigh Roberds
- Department of Preventive Medicine and Biostatistics, Division of Tropical Public Health, Uniformed Services University of the Health Sciences, Bethesda, MD, United States
| | - Emily Ferraro
- Department of Preventive Medicine and Biostatistics, F. Edward Hébert School of Medicine, Uniformed Services University of the Health Sciences, Bethesda, MD, United States
| | - Shirley Luckhart
- Department of Entomology, Plant Pathology and Nematology, Department of Biological Sciences, College of Agricultural and Life Sciences, University of Idaho, Moscow, ID, United States
| | - V Ann Stewart
- Department of Preventive Medicine and Biostatistics, Division of Tropical Public Health, Uniformed Services University of the Health Sciences, Bethesda, MD, United States
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62
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Chen L, Zheng Y, Zhao L, Zhang Y, Yin L, He Y, Ma X, Xu Y, Gao Z. Lipid profiles and differential lipids in serum related to severity of community-acquired pneumonia: A pilot study. PLoS One 2021; 16:e0245770. [PMID: 33705428 PMCID: PMC7951898 DOI: 10.1371/journal.pone.0245770] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Accepted: 01/08/2021] [Indexed: 11/18/2022] Open
Abstract
This study aimed to characterize the lipidomic responses to community-acquired pneumonia (CAP) and provide new insight into the underlying mechanisms of pathogenesis and potential avenues for diagnostic and therapeutic treatments. This study was performed from January 2017 to October 2018. Lipidomic profiles were generated using ultra high-performance liquid chromatography with tandem mass spectrometry (UHPLC-MS/MS) platform. Spearman's rank correlation test and multiple linear regression analysis were applied to explore the correlation between changes in the relative abundance of lipids and clinical parameters. Kaplan-Meier methods were used to build 30-day survival curves. From the UHPLC-MS/MS results, a total of 509 and 195 lipid species were detected in the positive and negative ionization mode respectively. Positive ionization covered six lipid classes (glycerol-phospholipids, glycerolipids, sphingolipids, sterol-lipids, prenol-lipids, and fatty acid), whilst negative ionization covered three (glycerol-phospholipids, sphingolipids, fatty acid). Four lipids were selected as targets: PC (16:0_18:1), PC (18:2_20:4), PC (36:4), and PC (38:6). The relative increase of the areas under the curves for all four lipids were superior to the pneumonia severity index and CURB-65 (confusion, urea, respiratory rate, blood pressure, and age ≥65 years old) for discriminating severe CAP from CAP. Decreasing relative levels of PC (18:2_20:4), PC (38:6), and PC (36:4) were negatively related to fraction of inspiration O2; Changes in the relative abundance of PC (16:0_18:1) and PC (18:2_20:4) had significantly linear relationship with procalcitonin. Patients with an elevated level of PC (16:0_18:1) had significantly longer duration of hospital stays. As the relative abundance of PC (18:2_20:4), PC (36:4), and PC (38:6) decreased, the length of hospitalization days and 30-day mortality rate increased significantly (all log-rank p<0.05). Therefore, using the UHPLC-MS/MS platform's serum lipidomic approach can help reveal changes in lipid abundance during CAP and establish lipid profiles related to disease severity.
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Affiliation(s)
- Li Chen
- Department of Respiratory & Critical Care Medicine, Peking University People’s Hospital, Beijing, China
| | - Yali Zheng
- Department of Respiratory, Critical Care & Sleep Medicine, Xiang’an Hospital of Xiamen University, Xiamen, China
| | - Lili Zhao
- Department of Respiratory & Critical Care Medicine, Peking University People’s Hospital, Beijing, China
| | - Ying Zhang
- Department of Respiratory & Critical Care Medicine, Peking University People’s Hospital, Beijing, China
| | - Lu Yin
- Department of Respiratory & Critical Care Medicine, Peking University People’s Hospital, Beijing, China
| | - Yukun He
- Department of Respiratory & Critical Care Medicine, Peking University People’s Hospital, Beijing, China
| | - Xinqian Ma
- Department of Respiratory & Critical Care Medicine, Peking University People’s Hospital, Beijing, China
| | - Yu Xu
- Department of Respiratory & Critical Care Medicine, Peking University People’s Hospital, Beijing, China
- * E-mail: (ZG); (YX)
| | - Zhancheng Gao
- Department of Respiratory & Critical Care Medicine, Peking University People’s Hospital, Beijing, China
- * E-mail: (ZG); (YX)
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63
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Li GB, Hu HR, Pan WF, Li B, Ou ZY, Liang HY, Li C. Plasma Metabolic Profiling of Pediatric Sepsis in a Chinese Cohort. Front Cell Dev Biol 2021; 9:643979. [PMID: 33659257 PMCID: PMC7917179 DOI: 10.3389/fcell.2021.643979] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2020] [Accepted: 01/15/2021] [Indexed: 11/13/2022] Open
Abstract
Sepsis represents one of the most pressing problems in pediatrics, characterized by pathogenic bacteria invading the blood, growing and multiplying in the blood circulation, and ultimately causing severe infections. Most children with sepsis have a rapid disease onset and frequently exhibit sudden high fever or first chills. Here we performed comprehensive metabolomic profiling of plasma samples collected from pediatric sepsis patients to identify specific metabolic alterations associated with these patients (n = 84, designated as case subjects) as compared to healthy cohorts (n = 59, designated as control subjects). Diagnostic models were constructed using MetaboAnalyst, R packages, and multiple statistical methods, such as orthogonal partial least squares-discriminant analysis, principal component analysis, volcano plotting, and one-way ANOVA. Our study revealed a panel of metabolites responsible for the discrimination between case and control subjects with a high predictive value of prognosis. Moreover, significantly altered metabolites in sepsis survivors versus deceased patients (non-survivors) were identified as those involved in amino acids, fatty acids, and carbohydrates metabolism. Nine metabolites including organic acids and fatty acids were also identified with significantly higher abundance in sepsis patients with related microbes, implicating greater potentials to distinguish bacterial species using metabolomic analysis than blood culture. Pathway enrichment analysis further revealed that fatty acid metabolism might play an important role in the pathogenesis of sepsis.
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Affiliation(s)
- Guo-Bang Li
- Department of Biochemistry, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Hong-Rong Hu
- Department of Biochemistry, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China.,Department of Neurosurgery/Neuro-oncology, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou, China
| | - Wen-Feng Pan
- Department of Biochemistry, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Bo Li
- Department of Biochemistry, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Zhi-Ying Ou
- Affiliated Guangzhou Women and Children's Hospital, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Hui-Ying Liang
- Affiliated Guangzhou Women and Children's Hospital, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Cong Li
- Affiliated Guangzhou Women and Children's Hospital, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China.,Central Laboratory, Affiliated Dongguan People's Hospital, Southern Medical University, Guangzhou, China
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64
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Huang J, Xie Y, Yuan D, Guo L, Qu J, Zhou M. Identification of distinct metabolic characteristics of pneumonia in type 2 diabetes mellitus. Clin Transl Med 2021; 11:e303. [PMID: 33634967 PMCID: PMC7862164 DOI: 10.1002/ctm2.303] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2020] [Revised: 01/12/2021] [Accepted: 01/17/2021] [Indexed: 01/19/2023] Open
Affiliation(s)
- Jingwen Huang
- Department of Respiratory and Critical Care Medicine, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.,Institute of Respiratory Diseases, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Ying Xie
- Department of Pharmacology and Chemical Biology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Daoyi Yuan
- Department of Pharmacology and Chemical Biology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Lingxi Guo
- Department of Respiratory and Critical Care Medicine, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.,Institute of Respiratory Diseases, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jieming Qu
- Department of Respiratory and Critical Care Medicine, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.,Institute of Respiratory Diseases, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Min Zhou
- Department of Respiratory and Critical Care Medicine, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.,Institute of Respiratory Diseases, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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65
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Delafiori J, Navarro LC, Siciliano RF, de Melo GC, Busanello EN, Nicolau JC, Sales GM, de Oliveira AN, Val FFA, de Oliveira DN, Eguti A, dos Santos LA, Dalçóquio TF, Bertolin AJ, Abreu-Netto RL, Salsoso R, Baía-da-Silva D, Marcondes-Braga FG, Sampaio VS, Judice CC, Costa FT, Durán N, Perroud MW, Sabino EC, Lacerda MV, Reis LO, Fávaro WJ, Monteiro WM, Rocha AR, Catharino RR. Covid-19 Automated Diagnosis and Risk Assessment through Metabolomics and Machine Learning. Anal Chem 2021; 93:2471-2479. [PMID: 33471512 PMCID: PMC8023531 DOI: 10.1021/acs.analchem.0c04497] [Citation(s) in RCA: 49] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2020] [Accepted: 01/14/2021] [Indexed: 01/07/2023]
Abstract
COVID-19 is still placing a heavy health and financial burden worldwide. Impairment in patient screening and risk management plays a fundamental role on how governments and authorities are directing resources, planning reopening, as well as sanitary countermeasures, especially in regions where poverty is a major component in the equation. An efficient diagnostic method must be highly accurate, while having a cost-effective profile. We combined a machine learning-based algorithm with mass spectrometry to create an expeditious platform that discriminate COVID-19 in plasma samples within minutes, while also providing tools for risk assessment, to assist healthcare professionals in patient management and decision-making. A cross-sectional study enrolled 815 patients (442 COVID-19, 350 controls and 23 COVID-19 suspicious) from three Brazilian epicenters from April to July 2020. We were able to elect and identify 19 molecules related to the disease's pathophysiology and several discriminating features to patient's health-related outcomes. The method applied for COVID-19 diagnosis showed specificity >96% and sensitivity >83%, and specificity >80% and sensitivity >85% during risk assessment, both from blinded data. Our method introduced a new approach for COVID-19 screening, providing the indirect detection of infection through metabolites and contextualizing the findings with the disease's pathophysiology. The pairwise analysis of biomarkers brought robustness to the model developed using machine learning algorithms, transforming this screening approach in a tool with great potential for real-world application.
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Affiliation(s)
- Jeany Delafiori
- Innovare
Biomarkers Laboratory, School of Pharmaceutical Sciences, University of Campinas, Cidade Universitária
Zeferino Vaz, Campinas, São Paulo 350-13083-970, Brazil
| | - Luiz Cláudio Navarro
- RECOD
Laboratory, Computing Institute, University
of Campinas, Cidade Universitária Zeferino Vaz,, Campinas, São Paulo 573-13083-852, Brazil
| | - Rinaldo Focaccia Siciliano
- Clinical
Division of Infectious and Parasitic Diseases, University of São Paulo Medical School, São Paulo, São Paulo 01246-903, Brazil
- Instituto
do Coracao (InCor), Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de São Paulo, Cerqueira César, São Paulo 44-05403-90, Brazil
| | - Gisely Cardoso de Melo
- Tropical
Medicine Foundation Dr. Heitor Vieira Dourado, Manaus, Amazonas 69040-000,Brazil
- Amazonas
State University, Manaus, Amazonas 25-69040-000, Brazil
| | - Estela Natacha
Brandt Busanello
- Innovare
Biomarkers Laboratory, School of Pharmaceutical Sciences, University of Campinas, Cidade Universitária
Zeferino Vaz, Campinas, São Paulo 350-13083-970, Brazil
| | - José Carlos Nicolau
- Instituto
do Coracao (InCor), Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de São Paulo, Cerqueira César, São Paulo 44-05403-90, Brazil
| | - Geovana Manzan Sales
- Innovare
Biomarkers Laboratory, School of Pharmaceutical Sciences, University of Campinas, Cidade Universitária
Zeferino Vaz, Campinas, São Paulo 350-13083-970, Brazil
| | - Arthur Noin de Oliveira
- Innovare
Biomarkers Laboratory, School of Pharmaceutical Sciences, University of Campinas, Cidade Universitária
Zeferino Vaz, Campinas, São Paulo 350-13083-970, Brazil
| | - Fernando Fonseca Almeida Val
- Tropical
Medicine Foundation Dr. Heitor Vieira Dourado, Manaus, Amazonas 69040-000,Brazil
- Amazonas
State University, Manaus, Amazonas 25-69040-000, Brazil
| | - Diogo Noin de Oliveira
- Innovare
Biomarkers Laboratory, School of Pharmaceutical Sciences, University of Campinas, Cidade Universitária
Zeferino Vaz, Campinas, São Paulo 350-13083-970, Brazil
| | - Adriana Eguti
- Sumaré
State Hospital, Sumaré, São Paulo 2400-13175-490, Brazil
| | | | - Talia Falcão Dalçóquio
- Instituto
do Coracao (InCor), Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de São Paulo, Cerqueira César, São Paulo 44-05403-90, Brazil
| | - Adriadne Justi Bertolin
- Instituto
do Coracao (InCor), Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de São Paulo, Cerqueira César, São Paulo 44-05403-90, Brazil
| | - Rebeca Linhares Abreu-Netto
- Tropical
Medicine Foundation Dr. Heitor Vieira Dourado, Manaus, Amazonas 69040-000,Brazil
- Amazonas
State University, Manaus, Amazonas 25-69040-000, Brazil
| | - Rocio Salsoso
- Instituto
do Coracao (InCor), Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de São Paulo, Cerqueira César, São Paulo 44-05403-90, Brazil
| | - Djane Baía-da-Silva
- Tropical
Medicine Foundation Dr. Heitor Vieira Dourado, Manaus, Amazonas 69040-000,Brazil
- Amazonas
State University, Manaus, Amazonas 25-69040-000, Brazil
| | - Fabiana G Marcondes-Braga
- Instituto
do Coracao (InCor), Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de São Paulo, Cerqueira César, São Paulo 44-05403-90, Brazil
| | - Vanderson Souza Sampaio
- Tropical
Medicine Foundation Dr. Heitor Vieira Dourado, Manaus, Amazonas 69040-000,Brazil
- Health
Surveillance Foundation of Amazonas State, Manaus, Amazonas, 4010-69093-018 Brazil
| | - Carla Cristina Judice
- Laboratory
of Tropical Diseases, Institute of Biology, University of Campinas, Cidade Universitária Zeferino Vaz, Campinas, São Paulo 13083-970 Brazil
| | - Fabio Trindade
Maranhão Costa
- Laboratory
of Tropical Diseases, Institute of Biology, University of Campinas, Cidade Universitária Zeferino Vaz, Campinas, São Paulo 13083-970 Brazil
| | - Nelson Durán
- Laboratory
of Urogenital Carcinogenesis and Immunotherapy, University of Campinas, Cidade Universitária Zeferino Vaz, Campinas, São Paulo 13083-865, Brazil
| | | | - Ester Cerdeira Sabino
- Institute
of Tropical Medicine, University of São
Paulo, São Paulo, São Paulo 470-05403-000,Brazil
| | - Marcus Vinicius
Guimarães Lacerda
- Tropical
Medicine Foundation Dr. Heitor Vieira Dourado, Manaus, Amazonas 69040-000,Brazil
- Leônidas and Maria Deane Institute, Manaus, Amazonas, 476-69057-070 Brazil
| | - Leonardo Oliveira Reis
- UroScience
Laboratory, University of Campinas, Cidade
Universitária Zeferino Vaz, Campinas, São Paulo 126-13083-887, Brazil
| | - Wagner José Fávaro
- Laboratory
of Urogenital Carcinogenesis and Immunotherapy, University of Campinas, Cidade Universitária Zeferino Vaz, Campinas, São Paulo 13083-865, Brazil
| | - Wuelton Marcelo Monteiro
- Tropical
Medicine Foundation Dr. Heitor Vieira Dourado, Manaus, Amazonas 69040-000,Brazil
- Amazonas
State University, Manaus, Amazonas 25-69040-000, Brazil
| | - Anderson Rezende Rocha
- RECOD
Laboratory, Computing Institute, University
of Campinas, Cidade Universitária Zeferino Vaz,, Campinas, São Paulo 573-13083-852, Brazil
| | - Rodrigo Ramos Catharino
- Innovare
Biomarkers Laboratory, School of Pharmaceutical Sciences, University of Campinas, Cidade Universitária
Zeferino Vaz, Campinas, São Paulo 350-13083-970, Brazil
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66
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Kočar E, Režen T, Rozman D. Cholesterol, lipoproteins, and COVID-19: Basic concepts and clinical applications. Biochim Biophys Acta Mol Cell Biol Lipids 2021; 1866:158849. [PMID: 33157278 PMCID: PMC7610134 DOI: 10.1016/j.bbalip.2020.158849] [Citation(s) in RCA: 70] [Impact Index Per Article: 23.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Revised: 10/09/2020] [Accepted: 10/25/2020] [Indexed: 12/19/2022]
Abstract
Cholesterol is being recognized as a molecule involved in regulating the entry of the SARS-CoV-2 virus into the host cell. However, the data about the possible role of cholesterol carrying lipoproteins and their receptors in relation to infection are scarce and the connection of lipid-associated pathologies with COVID-19 disease is in its infancy. Herein we provide an overview of lipids and lipid metabolism in relation to COVID-19, with special attention on different forms of cholesterol. Cholesterol enriched lipid rafts represent a platform for viruses to enter the host cell by endocytosis. Generally, higher membrane cholesterol coincides with higher efficiency of COVID-19 entry. Inversely, patients with COVID-19 show lowered levels of blood cholesterol, high-density lipoproteins (HDL) and low-density lipoproteins. The modulated efficiency of viral entry can be explained by availability of SR-B1 receptor. HDL seems to have a variety of roles, from being itself a scavenger for viruses, an immune modulator and mediator of viral entry. Due to inverse roles of membrane cholesterol and lipoprotein cholesterol in COVID-19 infected patients, treatment of these patients with cholesterol lowering statins needs more attention. In conclusion, cholesterol and lipoproteins are potential markers for monitoring the viral infection status, while the lipid metabolic pathways and the composition of membranes could be targeted to selectively inhibit the life cycle of the virus as a basis for antiviral therapy.
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Affiliation(s)
- Eva Kočar
- Centre for Functional Genomics and Bio-Chips, Institute of Biochemistry, Faculty of Medicine, University of Ljubljana, Zaloška 4, 1000 Ljubljana, Slovenia.
| | - Tadeja Režen
- Centre for Functional Genomics and Bio-Chips, Institute of Biochemistry, Faculty of Medicine, University of Ljubljana, Zaloška 4, 1000 Ljubljana, Slovenia.
| | - Damjana Rozman
- Centre for Functional Genomics and Bio-Chips, Institute of Biochemistry, Faculty of Medicine, University of Ljubljana, Zaloška 4, 1000 Ljubljana, Slovenia.
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67
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Wang F, Rico JE, Fontoura ABP, Gervais R, McFadden JW. Short communication: Effects of dietary deoiled soy lecithin supplementation on circulating choline and choline metabolites, and the plasma phospholipid profile in Holstein cows fed palm fat. J Dairy Sci 2021; 104:1838-1845. [PMID: 33246625 DOI: 10.3168/jds.2020-18798] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Accepted: 08/18/2020] [Indexed: 11/19/2022]
Abstract
Dietary lecithin is a source of choline. Our objective was to evaluate the effects of dietary deoiled soy lecithin feeding on circulating choline, choline metabolites, and the plasma phospholipid profile in lactating dairy cows fed fractionated palm fatty acids. In a split-plot Latin square design, 16 Holstein cows (160 ± 7 d in milk; 3.6 ± 1.2 parity) were randomly allocated to a main plot receiving a corn silage and alfalfa haylage-based diet with palm fat containing either moderate or high palmitic acid content at 1.75% of ration dry matter (moderate and high palmitic acid containing 72 or 99% palmitic acid in fat supplement, respectively; n = 8/palm fat diet). Within each palm fat group, deoiled soy lecithin was top-dressed at 0, 0.12, 0.24, or 0.36% of ration dry matter in a replicated 4 × 4 Latin square design with 14-d experimental periods. A 14-d covariate period was used to acclimate cows to palm fat feeding without lecithin supplementation. Blood sampling occurred during the final 3 d of each experimental period. Plasma choline and choline metabolites were quantified using liquid chromatography and mass spectrometry. Plasma phospholipids were profiled using time-of-flight mass spectrometry. Whereas no effects of treatments were detected for plasma choline or methionine, lecithin feeding increased the plasma concentrations of choline metabolites trimethylamine N-oxide and dimethylglycine (24 and 11%, respectively). Plasma phosphatidylcholine (PC) and sphingomyelin (SM) concentrations increased with deoiled lecithin feeding (e.g., PC 16:0/22:6 and SM d18:1/18:3). Lecithin supplementation also increased plasma lysophosphatidylcholine (LPC) concentrations (e.g., LPC 18:0) while reducing plasma phosphatidylethanolamine (PE) concentrations (e.g., PE 16:0/20:5). Although increases in microbial-derived trimethylamine N-oxide suggest gastrointestinal lecithin degradation, elevations in plasma dimethylglycine, PC, LPC, and SM suggest that choline availability was improved by lecithin feeding in cows, thus supporting enhanced endogenous phospholipid synthesis.
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Affiliation(s)
- F Wang
- Department of Animal Science, Cornell University, Ithaca, NY 14853; State Key Laboratory of Animal Nutrition, Beijing Engineering Technology Research Center of Raw Milk Quality and Safety Control, College of Animal Science and Technology, China Agricultural University, Beijing, 100193, China
| | - J E Rico
- Department of Animal Science, Cornell University, Ithaca, NY 14853
| | - A B P Fontoura
- Department of Animal Science, Cornell University, Ithaca, NY 14853
| | - R Gervais
- Département des Sciences Animales, Université Laval, Québec, QC G1V 0A6, Canada
| | - J W McFadden
- Department of Animal Science, Cornell University, Ithaca, NY 14853.
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68
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Parenteral Fish-Oil Containing Lipid Emulsions Limit Initial Lipopolysaccharide-Induced Host Immune Responses in Preterm Pigs. Nutrients 2021; 13:nu13010205. [PMID: 33445698 PMCID: PMC7828127 DOI: 10.3390/nu13010205] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2020] [Revised: 12/31/2020] [Accepted: 01/08/2021] [Indexed: 11/30/2022] Open
Abstract
Multicomponent lipid emulsions are available for critical care of preterm infants. We sought to determine the impact of different lipid emulsions on early priming of the host and its response to an acute stimulus. Pigs delivered 7d preterm (n = 59) were randomized to receive different lipid emulsions for 11 days: 100% soybean oil (SO), mixed oil emulsion (SO, medium chain olive oil and fish oil) including 15% fish oil (MO15), or 100% fish oil (FO100). On day 11, pigs received an 8-h continuous intravenous infusion of either lipopolysaccharide (LPS—lyophilized Escherichia coli) or saline. Plasma was collected for fatty acid, oxylipin, metabolomic, and cytokine analyses. At day 11, plasma omega-3 fatty acid levels in the FO100 groups showed the highest increase in eicosapentaenoic acid, EPA (0.1 ± 0.0 to 9.7 ± 1.9, p < 0.001), docosahexaenoic acid, DHA (day 0 = 2.5 ± 0.7 to 13.6 ± 2.9, p < 0.001), EPA and DHA-derived oxylipins, and sphingomyelin metabolites. In the SO group, levels of cytokine IL1β increased at the first hour of LPS infusion (296.6 ± 308 pg/mL) but was undetectable in MO15, FO100, or in the animals receiving saline instead of LPS. Pigs in the SO group showed a significant increase in arachidonic acid (AA)-derived prostaglandins and thromboxanes in the first hour (p < 0.05). No significant changes in oxylipins were observed with either fish-oil containing group during LPS infusion. Host priming with soybean oil in the early postnatal period preserves a higher AA:DHA ratio and the ability to acutely respond to an external stimulus. In contrast, fish-oil containing lipid emulsions increase DHA, exacerbate a deficit in AA, and limit the initial LPS-induced inflammatory responses in preterm pigs.
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69
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Zhang X, Peng D, Zhang X, Wang X, Chen N, Zhao S, He Q. Serum metabolomic profiling reveals important difference between infants with and without subsequent recurrent wheezing in later childhood after RSV bronchiolitis. APMIS 2020; 129:128-137. [PMID: 33155332 DOI: 10.1111/apm.13095] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2020] [Accepted: 11/01/2020] [Indexed: 01/19/2023]
Abstract
We aimed to use serum metabolomics to discriminate infants with severe respiratory syncytial virus (RSV) bronchiolitis who later developed subsequent recurrent wheezing from those who did not and to investigate the relationship between serum metabolome and host immune responses with regard to the subsequent development of recurrent wheezing. Fifty-one infants who were hospitalized during an initial episode of severe RSV bronchiolitis at 6 months of age or less were included and followed for up to the age of 3 years. Of them, 24 developed subsequent recurrent wheezing and 27 did not. Untargeted serum metabolomics was performed by ultraperformance liquid chromatography coupled with high-resolution mass spectrometry (UPLC-MS/MS). Cytokines were measured by multiplex immunoassay. Difference in serum metabolomic profiles was observed between infants who developed recurrent wheezing and those who did not. L-lactic acid level was significantly higher in infants with recurrent wheezing than those without. Pyrimidine metabolism, glycerophospholipid metabolism, and arginine biosynthesis were identified as the most significant changed pathways between the two groups. Moreover, L-lactic acid level was positively associated with serum CXCL8 level. This exploratory study showed that differential serum metabolic signatures during severe RSV bronchiolitis in early infancy were associated with the development of subsequent recurrent wheezing in later childhood.
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Affiliation(s)
- Xiaoyan Zhang
- Department of Respiratory Medicine, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, China.,Department of Medical Microbiology, Capital Medical University, Beijing, China
| | - Dan Peng
- Department of Medical Microbiology, Capital Medical University, Beijing, China
| | - Xiang Zhang
- Department of Respiratory Medicine, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, China
| | - Xinglan Wang
- Department of Pediatrics, Qingdao Women and Children's Hospital, Qingdao University, Qingdao, China
| | - Ning Chen
- Department of Medical Microbiology, Capital Medical University, Beijing, China
| | - Shunying Zhao
- Department of Respiratory Medicine, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, China
| | - Qiushui He
- Department of Medical Microbiology, Capital Medical University, Beijing, China.,Department of Medical Microbiology and Immunology, University of Turku, Turku, Finland
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70
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Diagnosis of severe sepsis using phospholipids enzymatic assay based on cyclic voltammetry. Enzyme Microb Technol 2020; 144:109728. [PMID: 33541571 DOI: 10.1016/j.enzmictec.2020.109728] [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: 07/07/2020] [Revised: 12/12/2020] [Accepted: 12/14/2020] [Indexed: 11/21/2022]
Abstract
In this work phospholipid quantification was carried out using an enzymatic assay based on cyclic voltammetry of the condensation product of N-ethyl-N-(2-hydroxy-3-sulfopropyl)-3,5-dimethoxyaniline sodium salt (DAOS) and 4-aminoantipyrine (4-AP) with a graphite electrode. For the optimization of electrochemical measurement for the product, electrochemical properties such as the electrochemical window, double layer capacitance (Cdl) and electron transfer rate (kapp) were analyzed for a graphite-electrode and Au-electrode. The phospholipid enzymatic assay based the on electrochemical measurement using the graphite electrode was applied to the diagnosis of sepsis for sera from healthy volunteers (n = 16), patients with systemic inflammatory response syndrome (SIRS, n = 16) and severe sepsis patients (n = 24). Finally, the phospholipid quantification results from the electrochemical measurement were statistically compared with the conventional method based on optical density measurement.
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71
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Morigny P, Zuber J, Haid M, Kaltenecker D, Riols F, Lima JDC, Simoes E, Otoch JP, Schmidt SF, Herzig S, Adamski J, Seelaender M, Berriel Diaz M, Rohm M. High levels of modified ceramides are a defining feature of murine and human cancer cachexia. J Cachexia Sarcopenia Muscle 2020; 11:1459-1475. [PMID: 33090732 PMCID: PMC7749558 DOI: 10.1002/jcsm.12626] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/06/2020] [Accepted: 08/19/2020] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Cancer cachexia (CCx) is a multifactorial energy-wasting syndrome reducing the efficiency of anti-cancer therapies, quality of life, and survival of cancer patients. In the past years, most studies focused on the identification of tumour and host-derived proteins contributing to CCx. However, there is still a lack of studies addressing the changes in bioactive lipids. The aim of this study was to identify specific lipid species as a hallmark of CCx by performing a broad range lipid analysis of plasma from well-established CCx mouse models as well as cachectic and weight stable cancer patients. METHODS Plasma from non-cachectic (PBS-injected mice, NC26 tumour-bearing mice), pre-cachectic and cachectic mice (C26 and LLC tumour-bearing mice, ApcMin/+ mutant mice), and plasma from weight stable and cachectic patients with gastrointestinal cancer, were analysed using the Lipidyzer™ platform. In total, 13 lipid classes and more than 1100 lipid species, including sphingolipids, neutral and polar glycerolipids, were covered by the analysis. Correlation analysis between specific lipid species and readouts of CCx were performed. Lipidomics data were confirmed by gene expression analysis of metabolic organs to analyse enzymes involved in sphingolipid synthesis and degradation. RESULTS A decrease in several lysophosphatidylcholine (LPC) species and an increase in numerous sphingolipids including sphingomyelins (SMs), ceramides (CERs), hexosyl-ceramides (HCERs) and lactosyl-ceramides (LCERs), were mutual features of CCx in both mice and cancer patients. Notably, sphingolipid levels gradually increased during cachexia development. Key enzymes involved in ceramide synthesis were elevated in liver but not in adipose, muscle, or tumour tissues, suggesting that ceramide turnover in the liver is a major contributor to elevated sphingolipid levels in CCx. LPC(16:1), LPC(20:3), SM(16:0), SM(24:1), CER(16:0), CER(24:1), HCER(16:0), and HCER(24:1) were the most consistently affected lipid species between mice and humans and correlated negatively (LPCs) or positively (SMs, CERs and HCERs) with the severity of body weight loss. CONCLUSIONS High levels of sphingolipids, specifically ceramides and modified ceramides, are a defining feature of murine and human CCx and may contribute to tissue wasting and skeletal muscle atrophy through the inhibition of anabolic signals. The progressive increase in sphingolipids during cachexia development supports their potential as early biomarkers for CCx.
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Affiliation(s)
- Pauline Morigny
- Institute for Diabetes and Cancer, Helmholtz Center Munich, Neuherberg, Germany.,Joint Heidelberg-IDC Translational Diabetes Program, Inner Medicine 1, Heidelberg University Hospital, Heidelberg, Germany.,German Center for Diabetes Research (DZD), Neuherberg, Germany
| | - Julia Zuber
- Institute for Diabetes and Cancer, Helmholtz Center Munich, Neuherberg, Germany.,Joint Heidelberg-IDC Translational Diabetes Program, Inner Medicine 1, Heidelberg University Hospital, Heidelberg, Germany.,German Center for Diabetes Research (DZD), Neuherberg, Germany
| | - Mark Haid
- Research Unit Molecular Endocrinology and Metabolism, Helmholtz Center Munich, German Research Center for Environmental Health, Neuherberg, Germany
| | - Doris Kaltenecker
- Institute for Diabetes and Cancer, Helmholtz Center Munich, Neuherberg, Germany.,Joint Heidelberg-IDC Translational Diabetes Program, Inner Medicine 1, Heidelberg University Hospital, Heidelberg, Germany.,German Center for Diabetes Research (DZD), Neuherberg, Germany
| | - Fabien Riols
- Research Unit Molecular Endocrinology and Metabolism, Helmholtz Center Munich, German Research Center for Environmental Health, Neuherberg, Germany
| | - Joanna D C Lima
- Cancer Metabolism Research Group, LIM 26 HC, Medical School, University of São Paulo, São Paulo, Brazil
| | - Estefania Simoes
- Cancer Metabolism Research Group, LIM 26 HC, Medical School, University of São Paulo, São Paulo, Brazil
| | - José Pinhata Otoch
- Cancer Metabolism Research Group, LIM 26 HC, Medical School, University of São Paulo, São Paulo, Brazil
| | - Sören Fisker Schmidt
- Institute for Diabetes and Cancer, Helmholtz Center Munich, Neuherberg, Germany.,Joint Heidelberg-IDC Translational Diabetes Program, Inner Medicine 1, Heidelberg University Hospital, Heidelberg, Germany.,German Center for Diabetes Research (DZD), Neuherberg, Germany
| | - Stephan Herzig
- Institute for Diabetes and Cancer, Helmholtz Center Munich, Neuherberg, Germany.,Joint Heidelberg-IDC Translational Diabetes Program, Inner Medicine 1, Heidelberg University Hospital, Heidelberg, Germany.,German Center for Diabetes Research (DZD), Neuherberg, Germany.,Molecular Metabolic Control, Technical University of Munich, Munich, Germany
| | - Jerzy Adamski
- Research Unit Molecular Endocrinology and Metabolism, Helmholtz Center Munich, German Research Center for Environmental Health, Neuherberg, Germany.,Experimentelle Genetik, Technical University of Munich, Freising-Weihenstephan, Neuherberg, Germany.,Department of Biochemistry, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - Marilia Seelaender
- Cancer Metabolism Research Group, LIM 26 HC, Medical School, University of São Paulo, São Paulo, Brazil
| | - Mauricio Berriel Diaz
- Institute for Diabetes and Cancer, Helmholtz Center Munich, Neuherberg, Germany.,Joint Heidelberg-IDC Translational Diabetes Program, Inner Medicine 1, Heidelberg University Hospital, Heidelberg, Germany.,German Center for Diabetes Research (DZD), Neuherberg, Germany
| | - Maria Rohm
- Institute for Diabetes and Cancer, Helmholtz Center Munich, Neuherberg, Germany.,Joint Heidelberg-IDC Translational Diabetes Program, Inner Medicine 1, Heidelberg University Hospital, Heidelberg, Germany.,German Center for Diabetes Research (DZD), Neuherberg, Germany
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72
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Alolga RN, Opoku-Damoah Y, Alagpulinsa DA, Huang FQ, Ma G, Chavez Leon MASC, Kudzai C, Yin X, Ding Y. Metabolomic and transcriptomic analyses of the anti-rheumatoid arthritis potential of xylopic acid in a bioinspired lipoprotein nanoformulation. Biomaterials 2020; 268:120482. [PMID: 33307367 DOI: 10.1016/j.biomaterials.2020.120482] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2020] [Revised: 09/18/2020] [Accepted: 10/18/2020] [Indexed: 02/06/2023]
Abstract
Xylopic acid (XA), a diterpene kaurene and the major active ingredient of the African spice Xylopia aethiopica (Annonaceae), is reported to possess anti-inflammatory and analgesic properties. Here, we investigated the therapeutic potential of XA for rheumatoid arthritis (RA), a debilitating autoimmune inflammatory disease characterized by joint damage, in the complete Freund's adjuvant (CFA)-induced arthritis model in rats. We synthesized bioinspired reconstituted high-density lipoprotein (rHDL) nanoparticles loaded with purified XA crystals (rHDL/XA) that passively accumulate in inflamed joints of CFA-induced arthritic rats. Treatment with rHDL/XA minimized mononuclear cell infiltration of CFA-induced arthritic sites and ameliorated disease burden. Metabolomic and transcriptomic analyses revealed that the major molecular pathways perturbed following CFA-induced arthritis correlated with amino acid and lipid metabolism, which were restored to normal states by rHDL/XA treatment. This work demonstrates the anti-RA potential of XA in a nanoformulation and uncovers its underlying therapeutic mechanisms at the transcript and metabolite levels.
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Affiliation(s)
- Raphael N Alolga
- State Key Laboratory of Natural Medicines, Clinical Metabolomics Center, School of Traditional Chinese Pharmacy, China Pharmaceutical University, No. 639 Longmian Avenue, Nanjing, 211198, China
| | - Yaw Opoku-Damoah
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, Brisbane, Qld, 4072, Australia
| | - David A Alagpulinsa
- Massachusetts General Hospital Vaccine & Immunotherapy Center, Harvard Medical School, Boston, MA, 02129, USA
| | - Feng-Qing Huang
- State Key Laboratory of Natural Medicines, Clinical Metabolomics Center, School of Traditional Chinese Pharmacy, China Pharmaceutical University, No. 639 Longmian Avenue, Nanjing, 211198, China
| | - Gaoxiang Ma
- State Key Laboratory of Natural Medicines, Clinical Metabolomics Center, School of Traditional Chinese Pharmacy, China Pharmaceutical University, No. 639 Longmian Avenue, Nanjing, 211198, China
| | - Maria A S C Chavez Leon
- State Key Laboratory of Natural Medicines, Clinical Metabolomics Center, School of Traditional Chinese Pharmacy, China Pharmaceutical University, No. 639 Longmian Avenue, Nanjing, 211198, China
| | - Chifodya Kudzai
- State Key Laboratory of Natural Medicines, Clinical Metabolomics Center, School of Traditional Chinese Pharmacy, China Pharmaceutical University, No. 639 Longmian Avenue, Nanjing, 211198, China
| | - Xiaojian Yin
- State Key Laboratory of Natural Medicines, Clinical Metabolomics Center, School of Traditional Chinese Pharmacy, China Pharmaceutical University, No. 639 Longmian Avenue, Nanjing, 211198, China.
| | - Yang Ding
- State Key Laboratory of Natural Medicines, Department of Pharmaceutics, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing, 210009, China.
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Affiliation(s)
- Heather N. Colvin
- Department of Biology, Wake Forest University, Winston-Salem, North Carolina, United States of America
- Department of Microbiology and Immunology, Wake Forest School of Medicine, Winston-Salem, North Carolina, United States of America
| | - Regina Joice Cordy
- Department of Biology, Wake Forest University, Winston-Salem, North Carolina, United States of America
- Department of Microbiology and Immunology, Wake Forest School of Medicine, Winston-Salem, North Carolina, United States of America
- * E-mail:
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74
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Emerging roles of lysophospholipids in health and disease. Prog Lipid Res 2020; 80:101068. [PMID: 33068601 DOI: 10.1016/j.plipres.2020.101068] [Citation(s) in RCA: 129] [Impact Index Per Article: 32.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2020] [Revised: 10/09/2020] [Accepted: 10/11/2020] [Indexed: 12/22/2022]
Abstract
Lipids are abundant and play essential roles in human health and disease. The main functions of lipids are building blocks for membrane biogenesis. However, lipids are also metabolized to produce signaling molecules. Here, we discuss the emerging roles of circulating lysophospholipids. These lysophospholipids consist of lysoglycerophospholipids and lysosphingolipids. They are both present in cells at low concentration, but their concentrations in extracellular fluids are significantly higher. The biological functions of some of these lysophospholipids have been recently revealed. Remarkably, some of the lysophospholipids play pivotal signaling roles as well as being precursors for membrane biogenesis. Revealing how circulating lysophospholipids are produced, released, transported, and utilized in multi-organ systems is critical to understand their functions. The discovery of enzymes, carriers, transporters, and membrane receptors for these lysophospholipids has shed light on their physiological significance. In this review, we summarize the biological roles of these lysophospholipids via discussing about the proteins regulating their functions. We also discuss about their potential impacts to human health and diseases.
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Haase D, Bäz L, Bekfani T, Neugebauer S, Kiehntopf M, Möbius-Winkler S, Franz M, Schulze PC. Metabolomic profiling of patients with high gradient aortic stenosis undergoing transcatheter aortic valve replacement. Clin Res Cardiol 2020; 110:399-410. [PMID: 33057764 PMCID: PMC7907030 DOI: 10.1007/s00392-020-01754-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/04/2020] [Accepted: 09/30/2020] [Indexed: 12/12/2022]
Abstract
Aim Aim of our study was to evaluate metabolic changes in patients with aortic stenosis (AS) before and after transcatheter aortic valve replacement (TAVR) and to assess whether this procedure reverses metabolomic alterations. Methods 188 plasma metabolites of 30 patients with severe high-gradient aortic valve stenosis (pre-TAVR and 6 weeks post-TAVR) as well as 20 healthy controls (HC) were quantified by liquid chromatography tandem mass spectrometry. Significantly altered metabolites were then correlated to an extensive patient database of clinical parameters at the time of measurement. Results Out of the determined metabolites, 26.6% (n = 50) were significantly altered in patients with AS pre-TAVR compared to HC. In detail, 5/40 acylcarnitines as well as 10/42 amino acids and biogenic amines were mainly increased in AS, whereas 29/90 glycerophospholipids and 6/15 sphingomyelins were mainly reduced. In the post-TAVR group, 10.1% (n = 19) of metabolites showed significant differences when compared to pre-TAVR. Moreover, we found nine metabolites revealing reversible concentration levels. Correlation with clinically important parameters revealed strong correlations between sphingomyelins and cholesterol (r = 0.847), acylcarnitines and brain natriuretic peptide (r = 0.664) and showed correlation of acylcarnitine with an improvement of left ventricular (LV) ejection fraction (r = − 0.513) and phosphatidylcholines with an improvement of LV mass (r = − 0.637). Conclusion Metabolic profiling identified significant and reversible changes in circulating metabolites of patients with AS. The correlation of circulating metabolites with clinical parameters supports the use of these data to identify novel diagnostic as well as prognostic markers for disease screening, pathophysiological studies as well as patient surveillance. Electronic supplementary material The online version of this article (10.1007/s00392-020-01754-2) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Daniela Haase
- Division of Cardiology, Angiology, Pneumology and Intensive Medical Care, Department of Internal Medicine I, University Hospital Jena, Friedrich-Schiller-University, Jena, Germany
| | - Laura Bäz
- Division of Cardiology, Angiology, Pneumology and Intensive Medical Care, Department of Internal Medicine I, University Hospital Jena, Friedrich-Schiller-University, Jena, Germany
| | - Tarek Bekfani
- Division of Cardiology, Angiology, Pneumology and Intensive Medical Care, Department of Internal Medicine I, University Hospital Jena, Friedrich-Schiller-University, Jena, Germany
| | - Sophie Neugebauer
- Department of Clinical Chemistry and Laboratory Diagnostics, University Hospital Jena, Friedrich-Schiller-University, Jena, Germany
| | - Michael Kiehntopf
- Department of Clinical Chemistry and Laboratory Diagnostics, University Hospital Jena, Friedrich-Schiller-University, Jena, Germany
| | - Sven Möbius-Winkler
- Division of Cardiology, Angiology, Pneumology and Intensive Medical Care, Department of Internal Medicine I, University Hospital Jena, Friedrich-Schiller-University, Jena, Germany
| | - Marcus Franz
- Division of Cardiology, Angiology, Pneumology and Intensive Medical Care, Department of Internal Medicine I, University Hospital Jena, Friedrich-Schiller-University, Jena, Germany
| | - P Christian Schulze
- Division of Cardiology, Angiology, Pneumology and Intensive Medical Care, Department of Internal Medicine I, University Hospital Jena, Friedrich-Schiller-University, Jena, Germany.
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Zanotti I, Marando S, Remaggi G, Bergonzi C, Bernini F, Bettini R, Elviri L. The adaptation of lipid profile of human fibroblasts to alginate 2D films and 3D printed scaffolds. Biochim Biophys Acta Gen Subj 2020; 1865:129734. [PMID: 32956750 DOI: 10.1016/j.bbagen.2020.129734] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Revised: 09/11/2020] [Accepted: 09/11/2020] [Indexed: 11/24/2022]
Abstract
BACKGROUND The investigation of the interactions between cells and active materials is pivotal in the emerging 3D printing-biomaterial application fields. Here, lipidomics has been used to explore the early impact of alginate (ALG) hydrogel architecture (2D films or 3D printed scaffolds) and the type of gelling agent (CaCl2 or FeCl3) on the lipid profile of human fibroblasts. METHODS 2D and 3D ALG scaffolds were prepared and characterized in terms of water content, swelling, mechanical resistance and morphology before human fibroblast seeding (8 days). Using a liquid chromatography-triple quadrupole-tandem mass spectrometry approach, selected ceramides (CER), lysophosphatidylcholines (LPC), lysophosphatidic acids (LPA) and free fatty acids (FFA) were analyzed. RESULTS The results showed a clear alteration in the CER expression profile depending of both the geometry and the gelling agent used to prepare the hydrogels. As for LPCs, the main parameter affecting their distribution is the scaffold architecture with a significant decrease in the relative expression levels of the species with higher chain length (C20 to C22) for 3D scaffolds compared to 2D films. In the case of FFAs and LPAs only slight differences were observed as a function of scaffold geometry or gelling agent. CONCLUSIONS Variations in the cell membrane lipid profile were observed for 3D cell cultures compared to 2D and these data are consistent with activation processes occurring through the mutual interactions between fibroblasts and ALG support. These unknown physiologically relevant changes add insights into the discussion about the relationship between biomaterial and the variations of cell biological functions.
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Affiliation(s)
- Ilaria Zanotti
- Department of Food and Drug Science, University of Parma, Parco Area delle Scienze 27/A, 43124 Parma, Italy
| | - Silvia Marando
- Department of Food and Drug Science, University of Parma, Parco Area delle Scienze 27/A, 43124 Parma, Italy
| | - Giulia Remaggi
- Department of Food and Drug Science, University of Parma, Parco Area delle Scienze 27/A, 43124 Parma, Italy
| | - Carlo Bergonzi
- Department of Food and Drug Science, University of Parma, Parco Area delle Scienze 27/A, 43124 Parma, Italy
| | - Franco Bernini
- Department of Food and Drug Science, University of Parma, Parco Area delle Scienze 27/A, 43124 Parma, Italy
| | - Ruggero Bettini
- Department of Food and Drug Science, University of Parma, Parco Area delle Scienze 27/A, 43124 Parma, Italy
| | - Lisa Elviri
- Department of Food and Drug Science, University of Parma, Parco Area delle Scienze 27/A, 43124 Parma, Italy.
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Meikle PJ, Formosa MF, Mellett NA, Jayawardana KS, Giles C, Bertovic DA, Jennings GL, Childs W, Reddy M, Carey AL, Baradi A, Nanayakkara S, Wilson AM, Duffy SJ, Kingwell BA. HDL Phospholipids, but Not Cholesterol Distinguish Acute Coronary Syndrome From Stable Coronary Artery Disease. J Am Heart Assoc 2020; 8:e011792. [PMID: 31131674 PMCID: PMC6585356 DOI: 10.1161/jaha.118.011792] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Background Although acute coronary syndromes (ACS) are a major cause of morbidity and mortality, relationships with biologically active lipid species potentially associated with plaque disruption/erosion in the context of their lipoprotein carriers are indeterminate. The aim was to characterize lipid species within lipoprotein particles which differentiate ACS from stable coronary artery disease. Methods and Results Venous blood was obtained from 130 individuals with de novo presentation of an ACS (n=47) or stable coronary artery disease (n=83) before coronary catheterization. Lipidomic measurements (533 lipid species; liquid chromatography electrospray ionization/tandem mass spectrometry) were performed on whole plasma as well as 2 lipoprotein subfractions: apolipoprotein A1 (apolipoprotein A, high‐density lipoprotein) and apolipoprotein B. Compared with stable coronary artery disease, ACS plasma was lower in phospholipids including lyso species and plasmalogens, with the majority of lipid species differing in abundance located within high‐density lipoprotein (high‐density lipoprotein, 113 lipids; plasma, 73 lipids). Models including plasma lipid species alone improved discrimination between the stable and ACS groups by 0.16 (C‐statistic) compared with conventional risk factors. Models utilizing lipid species either in plasma or within lipoprotein fractions had a similar ability to discriminate groups, though the C‐statistic was highest for plasma lipid species (0.80; 95% CI, 0.75–0.86). Conclusions Multiple lysophospholipids, but not cholesterol, featured among the lipids which were present at low concentration within high‐density lipoprotein of those presenting with ACS. Lipidomics, when applied to either whole plasma or lipoprotein fractions, was superior to conventional risk factors in discriminating ACS from stable coronary artery disease. These associative mechanistic insights elucidate potential new preventive, prognostic, and therapeutic avenues for ACS which require investigation in prospective analyses.
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Affiliation(s)
| | | | | | | | - Corey Giles
- Baker Heart and Diabetes InstituteMelbourneAustralia
| | - David A. Bertovic
- Baker Heart and Diabetes InstituteMelbourneAustralia
- Department of CardiologyThe Alfred HospitalMelbourneAustralia
| | - Garry L. Jennings
- Baker Heart and Diabetes InstituteMelbourneAustralia
- Department of CardiologyThe Alfred HospitalMelbourneAustralia
| | - Wayne Childs
- Baker Heart and Diabetes InstituteMelbourneAustralia
- Department of CardiologyThe Alfred HospitalMelbourneAustralia
- Box Hill HospitalMelbourneAustralia
| | - Medini Reddy
- Baker Heart and Diabetes InstituteMelbourneAustralia
| | | | | | - Shane Nanayakkara
- Baker Heart and Diabetes InstituteMelbourneAustralia
- Department of CardiologyThe Alfred HospitalMelbourneAustralia
| | | | - Stephen J. Duffy
- Baker Heart and Diabetes InstituteMelbourneAustralia
- Department of CardiologyThe Alfred HospitalMelbourneAustralia
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Diagnosis and mortality prediction of sepsis via lysophosphatidylcholine 16:0 measured by MALDI-TOF MS. Sci Rep 2020; 10:13833. [PMID: 32796893 PMCID: PMC7427783 DOI: 10.1038/s41598-020-70799-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2020] [Accepted: 08/04/2020] [Indexed: 11/08/2022] Open
Abstract
Sepsis remains a critical problem with high mortality worldwide, but there is still a lack of reliable biomarkers. We aimed to evaluate the serum lysophosphatidylcholine (LPC) 16:0 as a biomarker of sepsis using matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS). Patients admitted to intensive care unit at Severance Hospital from March 2017 through June 2018 were prospectively enrolled. The inclusion criteria were the fulfillment of at least two criteria of systemic inflammatory response syndrome (SIRS) or the presence of sepsis. Of the 127 patients, 14 had non-infectious SIRS, 41 had sepsis, and 72 had septic shock. The mean serum LPC 16:0 concentration (µmol/L) in non-infectious SIRS was significantly higher than in patients with sepsis and septic shock (101.1 vs. 48.92, p < 0.05; 101.1 vs. 25.88, p < 0.001, respectively). The area under the curve (AUC) predicting 28-day mortality using ΔLPC16:0 (D1-D0) levels was 0.7, which was comparable with the APACHE II score (AUC 0.692) and SOFA score (AUC 0.67). Mechanical ventilation, CRRT, lactate, Δ LPC16:0 (D1-D0) less than the cut-off value were significantly associated with 28-day mortality in multivariable analysis. Our results suggest that LPC16:0 could be a useful biomarker for sepsis diagnosis and mortality prediction in ICU patients.
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Finke H, Wandt VK, Ebert F, Guttenberger N, Glabonjat RA, Stiboller M, Francesconi KA, Raber G, Schwerdtle T. Toxicological assessment of arsenic-containing phosphatidylcholines in HepG2 cells. Metallomics 2020; 12:1159-1170. [PMID: 32459268 DOI: 10.1039/d0mt00073f] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Arsenolipids include a wide range of organic arsenic species that occur naturally in seafood and thereby contribute to human arsenic exposure. Recently arsenic-containing phosphatidylcholines (AsPCs) were identified in caviar, fish, and algae. In this first toxicological assessment of AsPCs, we investigated the stability of both the oxo- and thioxo-form of an AsPC under experimental conditions, and analyzed cell viability, indicators of genotoxicity and biotransformation in human liver cancer cells (HepG2). Precise toxicity data could not be obtained owing to the low solubility in the cell culture medium of the thioxo-form, and the ease of hydrolysis of the oxo-form, and to a lesser degree the thioxo-form. Hydrolysis resulted amongst others in the respective constituent arsenic-containing fatty acid (AsFA). Incubation of the cells with oxo-AsPC resulted in a toxicity similar to that determined for the hydrolysis product oxo-AsFA alone, and there were no indices for genotoxicity. Furthermore, the oxo-AsPC was readily taken up by the cells resulting in high cellular arsenic concentrations (50 μM incubation: 1112 ± 146 μM As cellular), whereas the thioxo-AsPC was substantially less bioavailable (50 μM incubation: 293 ± 115 μM As cellular). Speciation analysis revealed biotransformation of the AsPCs to a series of AsFAs in the culture medium, and, in the case of the oxo-AsPC, to as yet unidentified arsenic species in cell pellets. The results reveal the difficulty of toxicity studies of AsPCs in vitro, indicate that their toxicity might be largely governed by their arsenic fatty acid content and suggest a multifaceted human metabolism of food derived complex arsenolipids.
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Affiliation(s)
- Hannah Finke
- Department of Food Chemistry, Institute of Nutritional Science, University of Potsdam, Nuthetal, 14558, Germany.
| | - Viktoria K Wandt
- Department of Food Chemistry, Institute of Nutritional Science, University of Potsdam, Nuthetal, 14558, Germany. and TraceAge-DFG Research Unit on Interactions of Essential Trace Elements in Healthy and Diseased Elderly, Potsdam-Berlin-Jena, Germany
| | - Franziska Ebert
- Department of Food Chemistry, Institute of Nutritional Science, University of Potsdam, Nuthetal, 14558, Germany.
| | - Nikolaus Guttenberger
- Institute of Chemistry - Analytical Chemistry, NAWI Graz, University of Graz, Universitätsplatz 1, 8010 Graz, Austria
| | - Ronald A Glabonjat
- Institute of Chemistry - Analytical Chemistry, NAWI Graz, University of Graz, Universitätsplatz 1, 8010 Graz, Austria
| | - Michael Stiboller
- Department of Food Chemistry, Institute of Nutritional Science, University of Potsdam, Nuthetal, 14558, Germany. and Institute of Chemistry - Analytical Chemistry, NAWI Graz, University of Graz, Universitätsplatz 1, 8010 Graz, Austria
| | - Kevin A Francesconi
- Institute of Chemistry - Analytical Chemistry, NAWI Graz, University of Graz, Universitätsplatz 1, 8010 Graz, Austria
| | - Georg Raber
- Institute of Chemistry - Analytical Chemistry, NAWI Graz, University of Graz, Universitätsplatz 1, 8010 Graz, Austria
| | - Tanja Schwerdtle
- Department of Food Chemistry, Institute of Nutritional Science, University of Potsdam, Nuthetal, 14558, Germany. and TraceAge-DFG Research Unit on Interactions of Essential Trace Elements in Healthy and Diseased Elderly, Potsdam-Berlin-Jena, Germany
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80
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Lysophosphatidylcholine acyltransferase 2 (LPCAT2) co-localises with TLR4 and regulates macrophage inflammatory gene expression in response to LPS. Sci Rep 2020; 10:10355. [PMID: 32587324 PMCID: PMC7316826 DOI: 10.1038/s41598-020-67000-x] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2019] [Accepted: 05/06/2020] [Indexed: 12/24/2022] Open
Abstract
Despite extensive investigations, an effective treatment for sepsis remains elusive and a better understanding of the inflammatory response to infection is required to identify potential new targets for therapy. In this study we have used RNAi technology to show, for the first time, that the inducible lysophosphatidylcholine acyltransferase 2 (LPCAT2) plays a key role in macrophage inflammatory gene expression in response to stimulation with bacterial ligands. Using siRNA- or shRNA-mediated knockdown, we demonstrate that, in contrast to the constitutive LPCAT1, LPCAT2 is required for macrophage cytokine gene expression and release in response to TLR4 and TLR2 ligand stimulation but not for TLR-independent stimuli. In addition, cells transfected to overexpress LPCAT2 exhibited increased expression of inflammatory genes in response to LPS and other bacterial ligands. Furthermore, we have used immunoprecipitation and Western blotting to show that in response to LPS, LPCAT2, but not LPCAT1, rapidly associates with TLR4 and translocates to membrane lipid raft domains. Our data thus suggest a novel mechanism for the regulation of inflammatory gene expression in response to bacterial stimuli and highlight LPCAT2 as a potential therapeutic target for development of anti-inflammatory and anti-sepsis therapies.
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81
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Knuplez E, Marsche G. An Updated Review of Pro- and Anti-Inflammatory Properties of Plasma Lysophosphatidylcholines in the Vascular System. Int J Mol Sci 2020; 21:ijms21124501. [PMID: 32599910 PMCID: PMC7350010 DOI: 10.3390/ijms21124501] [Citation(s) in RCA: 85] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Revised: 06/19/2020] [Accepted: 06/23/2020] [Indexed: 12/14/2022] Open
Abstract
Lysophosphatidylcholines are a group of bioactive lipids heavily investigated in the context of inflammation and atherosclerosis development. While present in plasma during physiological conditions, their concentration can drastically increase in certain inflammatory states. Lysophosphatidylcholines are widely regarded as potent pro-inflammatory and deleterious mediators, but an increasing number of more recent studies show multiple beneficial properties under various pathological conditions. Many of the discrepancies in the published studies are due to the investigation of different species or mixtures of lysophatidylcholines and the use of supra-physiological concentrations in the absence of serum or other carrier proteins. Furthermore, interpretation of the results is complicated by the rapid metabolism of lysophosphatidylcholine (LPC) in cells and tissues to pro-inflammatory lysophosphatidic acid. Interestingly, most of the recent studies, in contrast to older studies, found lower LPC plasma levels associated with unfavorable disease outcomes. Being the most abundant lysophospholipid in plasma, it is of utmost importance to understand its physiological functions and shed light on the discordant literature connected to its research. LPCs should be recognized as important homeostatic mediators involved in all stages of vascular inflammation. In this review, we want to point out potential pro- and anti-inflammatory activities of lysophospholipids in the vascular system and highlight recent discoveries about the effect of lysophosphatidylcholines on immune cells at the endothelial vascular interface. We will also look at their potential clinical application as biomarkers.
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Affiliation(s)
- Eva Knuplez
- Division of Pharmacology, Otto Loewi Research Center, Medical University of Graz, 8010 Graz, Austria
- Correspondence: (E.K.); (G.M.); Tel.: +43-385-74115 (E.K.); +43-316-385-74128 (G.M.)
| | - Gunther Marsche
- Division of Pharmacology, Otto Loewi Research Center, Medical University of Graz, 8010 Graz, Austria
- BioTechMed-Graz, 8010 Graz, Austria
- Correspondence: (E.K.); (G.M.); Tel.: +43-385-74115 (E.K.); +43-316-385-74128 (G.M.)
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Coldewey SM, Neu C, Baumbach P, Scherag A, Goebel B, Ludewig K, Bloos F, Bauer M. Identification of cardiovascular and molecular prognostic factors for the medium-term and long-term outcomes of sepsis (ICROS): protocol for a prospective monocentric cohort study. BMJ Open 2020; 10:e036527. [PMID: 32580988 PMCID: PMC7312455 DOI: 10.1136/bmjopen-2019-036527] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
INTRODUCTION Sepsis is one of the most prevalent life-threatening conditions in the intensive care unit. Patients suffer from impaired organ function, reduced physical functional capacity and decreased quality of life even after surviving sepsis. The identification of prognostic factors for the medium-term and long-term outcomes of this condition is necessary to develop personalised theragnostic approaches. Sepsis can cause cardiac impairment. The impact of this septic cardiomyopathy on patient's long-term outcome remains unclear. This study aims to evaluate cardiovascular risk factors, particularly the occurrence of septic cardiomyopathy, regarding their suitability as prognostic factors for the short-term and long-term outcomes of septic patients. Additionally, the study seeks to validate preclinical pathophysiological findings of septic cardiomyopathy in the clinical setting. METHODS AND ANALYSIS In this prospective monocentric cohort study, patients will be clinically assessed during the acute and postacute phase of sepsis and two follow-ups after 6 and 12 months. To determine the effect of septic cardiomyopathy and concomitant cellular and molecular changes on patient mortality and morbidity, a comprehensive cardiovascular and molecular deep phenotyping of patients will be performed. This includes an echocardiographic and electrocardiographic assessment, and the evaluation of heart rate variability, body composition, mitochondrial oxygen metabolism, macrocirculation and microcirculation, and endothelial barrier function. These analyses are complemented by routine immunological, haematological and biochemical laboratory tests and analyses of the serum metabolome and lipidome, microbiome and epigenetic modifications of immune cells. The reversibility of patients' organ dysfunction, their quality of life and physical functional capacity will be investigated in the follow-ups. Patients with cardiomyopathy without infection and healthy subjects will serve as control groups. ETHICS AND DISSEMINATION Approval was obtained from the Ethics Committee of the Friedrich Schiller University Jena (5276-09/17). The results will be published in peer-reviewed journals and presented at appropriate conferences. TRIAL REGISTRATION NUMBERS DRKS00013347; NCT03620409.
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Affiliation(s)
- Sina M Coldewey
- Department of Anaesthesiology and Intensive Care Medicine, Jena University Hospital, Jena, Germany
- Septomics Research Centre, Jena University Hospital, Jena, Germany
- Centre for Sepsis Control and Care, Jena University Hospital, Jena, Germany
| | - Charles Neu
- Department of Anaesthesiology and Intensive Care Medicine, Jena University Hospital, Jena, Germany
- Septomics Research Centre, Jena University Hospital, Jena, Germany
- Centre for Sepsis Control and Care, Jena University Hospital, Jena, Germany
| | - Philipp Baumbach
- Department of Anaesthesiology and Intensive Care Medicine, Jena University Hospital, Jena, Germany
- Septomics Research Centre, Jena University Hospital, Jena, Germany
| | - Andre Scherag
- Centre for Sepsis Control and Care, Jena University Hospital, Jena, Germany
- Institute of Medical Statistics, Computer and Data Sciences, Jena University Hospital, Jena, Germany
| | - Björn Goebel
- Department of Cardiology, Zentralklinik Bad Berka GmbH, Bad Berka, Germany
| | - Katrin Ludewig
- Department of Anaesthesiology and Intensive Care Medicine, Jena University Hospital, Jena, Germany
- Septomics Research Centre, Jena University Hospital, Jena, Germany
| | - Frank Bloos
- Department of Anaesthesiology and Intensive Care Medicine, Jena University Hospital, Jena, Germany
- Centre for Sepsis Control and Care, Jena University Hospital, Jena, Germany
| | - Michael Bauer
- Department of Anaesthesiology and Intensive Care Medicine, Jena University Hospital, Jena, Germany
- Centre for Sepsis Control and Care, Jena University Hospital, Jena, Germany
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Xiao X, Zhang T, Huang J, Zhao Q, Li F. Effect of CYP3A4 on liver injury induced by triptolide. Biomed Chromatogr 2020; 34:e4864. [PMID: 32330997 DOI: 10.1002/bmc.4864] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Revised: 03/22/2020] [Accepted: 04/22/2020] [Indexed: 12/12/2022]
Abstract
Triptolide (TP), one of the main bioactive diterpenes of the herbal medicine Tripterygium wilfordii Hook F, is used for the treatment of autoimmune diseases in the clinic and is accompanied by severe hepatotoxicity. CYP3A4 has been reported to be responsible for TP metabolism, but the mechanism remains unclear. The present study applied a UPLC-QTOF-MS-based metabolomics analysis to characterize the effect of CYP3A4 on TP-induced hepatotoxicity. The metabolites carnitines, lysophosphatidylcholines (LPCs) and a serious of amino acids were found to be closely related to liver damage indexes in TP-treated female mice. Metabolomics analysis further revealed that the CYP3A4 inducer dexamethasone improved the level of LPCs and amino acids, and defended against oxidative stress. On the contrary, pretreatment with the CYP3A4 inhibitor ketoconazole increased liver damage with most metabolites being markedly altered, especially carnitines. Among these metabolites, except for LPC18:2, LPC20:1 and arginine, dexamethasone and ketoconazole both affected oxidative stress induced by TP. The current study provides new mechanistic insights into the metabolic alterations, leading to understanding of the role of CYP3A4 in hepatotoxicity induced by TP.
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Affiliation(s)
- Xuerong Xiao
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, China
| | - Ting Zhang
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, China.,University of Chinese Academy of Sciences, Beijing, China
| | - Jianfeng Huang
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, China.,University of Chinese Academy of Sciences, Beijing, China
| | - Qi Zhao
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, China
| | - Fei Li
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, China
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Liu LW, Shi YY, Li ZL, Zuo LH, Tang M, Jing ZW, Zhao HY, Xue P, Zhou L, Du QZ, Zhang XJ, Sun Z. Metabolomic Insights Into the Synergistic Effect of Biapenem in Combination With Xuebijing Injection Against Sepsis. Front Pharmacol 2020; 11:502. [PMID: 32390846 PMCID: PMC7189733 DOI: 10.3389/fphar.2020.00502] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2019] [Accepted: 03/30/2020] [Indexed: 12/20/2022] Open
Abstract
The drug combination of biapenem (BIPM) and xuebijing injection (XBJ) is commonly applied for the treatment of sepsis in China. However, the potential synergistic mechanism is still enigmatic. There have been no studies focused on the plasma metabolome alterations in sepsis after the intervention of this combination. In this work, an untargeted metabolomics approach was performed by liquid chromatography-mass spectrometry coupled with multivariate statistical analysis to provide new insights into the synergistic effect of BIPM in combination with XBJ. We characterized the metabolic phenotype of sepsis and described metabolic footprint changes in septic rats responding to XBJ and BIPM individually and in combination, in addition to histopathological and survival evaluation. A total of 91 potential biomarkers of sepsis were identified and 32 disturbed metabolic pathways were constructed. Among these biomarkers, 36 metabolites were reversely regulated by XBJ, mainly including glycerophospholipids, sphingolipids, free fatty acids (FFAs), bile acids and acylcarnitines; 42 metabolites were regulated by BIPM, mainly including amino acids, glycerophospholipids, and acylcarnitines; 72 metabolites were regulated after XBJ-BIPM combination treatment, including most of the 91 potential biomarkers. The results showed that the interaction between XBJ and BIPM indeed exhibited a synergistic effect by affecting some key endogenous metabolites, 15 metabolites of which could not be regulated when XBJ or BIPM was used alone. Compared with Model group, 13, 22, and 27 metabolic pathways were regulated by XBJ, BIPM, and XBJ-BIPM combination, respectively. It suggested that many more endogenous metabolites and metabolic pathways were significantly regulated after combination treatment compared with XBJ or BIPM monotherapy. Metabolisms of lipids, amino acids, acylcarnitines, and bile acids were common pathways involved in the synergistic action of XBJ and BIPM. This study was the first to employ metabolomics to elucidate the synergistic effect and decipher the underlying mechanisms of BIPM in combination with XBJ against sepsis. The results provide some support for clinical application of antibiotics in combination with traditional Chinese medicines and have important implications for the treatment of sepsis in clinic.
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Affiliation(s)
- Li-Wei Liu
- Department of Pharmacy, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, China.,Henan Key Laboratory of Precision Clinical Pharmacy, Zhengzhou University, Zhengzhou, China.,Henan Engineering Research Center of Clinical Mass Spectrometry for Precision Medicine, Zhengzhou University, Zhengzhou, China
| | - Ying-Ying Shi
- Department of Pharmacy, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, China.,Henan Key Laboratory of Precision Clinical Pharmacy, Zhengzhou University, Zhengzhou, China.,Henan Engineering Research Center of Clinical Mass Spectrometry for Precision Medicine, Zhengzhou University, Zhengzhou, China
| | - Zhuo-Lun Li
- Department of Pharmacy, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, China.,Henan Key Laboratory of Precision Clinical Pharmacy, Zhengzhou University, Zhengzhou, China.,Henan Engineering Research Center of Clinical Mass Spectrometry for Precision Medicine, Zhengzhou University, Zhengzhou, China
| | - Li-Hua Zuo
- Department of Pharmacy, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, China.,Henan Key Laboratory of Precision Clinical Pharmacy, Zhengzhou University, Zhengzhou, China.,Henan Engineering Research Center of Clinical Mass Spectrometry for Precision Medicine, Zhengzhou University, Zhengzhou, China
| | - Meng Tang
- The First Department of Orthopaedics, Zhengzhou Central Hospital Affiliated to Zhengzhou University, Zhengzhou, China
| | - Zi-Wei Jing
- Department of Pharmacy, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, China.,Henan Key Laboratory of Precision Clinical Pharmacy, Zhengzhou University, Zhengzhou, China.,Henan Engineering Research Center of Clinical Mass Spectrometry for Precision Medicine, Zhengzhou University, Zhengzhou, China
| | - Hong-Yu Zhao
- Department of Stomatology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Peng Xue
- Health Management Centre, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Lin Zhou
- Department of Pharmacy, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, China.,Henan Key Laboratory of Precision Clinical Pharmacy, Zhengzhou University, Zhengzhou, China.,Henan Engineering Research Center of Clinical Mass Spectrometry for Precision Medicine, Zhengzhou University, Zhengzhou, China
| | - Qiu-Zheng Du
- Department of Pharmacy, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, China.,Henan Key Laboratory of Precision Clinical Pharmacy, Zhengzhou University, Zhengzhou, China.,Henan Engineering Research Center of Clinical Mass Spectrometry for Precision Medicine, Zhengzhou University, Zhengzhou, China
| | - Xiao-Jian Zhang
- Department of Pharmacy, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, China.,Henan Key Laboratory of Precision Clinical Pharmacy, Zhengzhou University, Zhengzhou, China.,Henan Engineering Research Center of Clinical Mass Spectrometry for Precision Medicine, Zhengzhou University, Zhengzhou, China
| | - Zhi Sun
- Department of Pharmacy, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, China.,Henan Key Laboratory of Precision Clinical Pharmacy, Zhengzhou University, Zhengzhou, China.,Henan Engineering Research Center of Clinical Mass Spectrometry for Precision Medicine, Zhengzhou University, Zhengzhou, China
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85
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Wang J, Sun Y, Teng S, Li K. Prediction of sepsis mortality using metabolite biomarkers in the blood: a meta-analysis of death-related pathways and prospective validation. BMC Med 2020; 18:83. [PMID: 32290837 PMCID: PMC7157979 DOI: 10.1186/s12916-020-01546-5] [Citation(s) in RCA: 59] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/22/2019] [Accepted: 03/03/2020] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Sepsis is a leading cause of death in intensive care units (ICUs), but outcomes of individual patients are difficult to predict. The recently developed clinical metabolomics has been recognized as a promising tool in the clinical practice of critical illness. The objective of this study was to identify the unique metabolic biomarkers and their pathways in the blood of sepsis nonsurvivors and to assess the prognostic value of these pathways. METHODS We searched PubMed, EMBASE, Cochrane, Web of Science, CNKI, Wangfang Data, and CQVIP from inception until July 2019. Eligible studies included the metabolomic analysis of blood samples from sepsis patients with the outcome. The metabolic pathway was assigned to each metabolite biomarker. The meta-analysis was performed using the pooled fold changes, area under the receiver operating characteristic curve (AUROC), and vote-counting of metabolic pathways. We also conducted a prospective cohort metabolomic study to validate the findings of our meta-analysis. RESULTS The meta-analysis included 21 cohorts reported in 16 studies with 2509 metabolite comparisons in the blood of 1287 individuals. We found highly limited overlap of the reported metabolite biomarkers across studies. However, these metabolites were enriched in several death-related metabolic pathways (DRMPs) including amino acids, mitochondrial metabolism, eicosanoids, and lysophospholipids. Prediction of sepsis death using DRMPs yielded a pooled AUROC of 0.81 (95% CI 0.76-0.87), which was similar to the combined metabolite biomarkers with a merged AUROC of 0.82 (95% CI 0.78-0.86) (P > 0.05). A prospective metabolomic analysis of 188 sepsis patients (134 survivors and 54 nonsurvivors) using the metabolites from DRMPs produced an AUROC of 0.88 (95% CI 0.78-0.97). The sensitivity and specificity for the prediction of sepsis death were 80.4% (95% CI 66.9-89.4%) and 78.8% (95% CI 62.3-89.3%), respectively. CONCLUSIONS DRMP analysis minimizes the discrepancies of results obtained from different metabolomic methods and is more practical than blood metabolite biomarkers for sepsis mortality prediction. TRIAL REGISTRATION The meta-analysis was registered on OSF Registries, and the prospective cohort study was registered on the Chinese Clinical Trial Registry (ChiCTR1800015321).
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Affiliation(s)
- Jing Wang
- Department of Critical Care Medicine, Yantai Yuhuangding Hospital, Yantai, 264000, Shandong, China.,School of Medicine, University of California, San Diego, CA, 92103, USA
| | - Yizhu Sun
- Department of Critical Care Medicine, Yantai Yuhuangding Hospital, Yantai, 264000, Shandong, China
| | - Shengnan Teng
- Department of Critical Care Medicine, Yantai Yuhuangding Hospital, Yantai, 264000, Shandong, China
| | - Kefeng Li
- School of Medicine, University of California, San Diego, CA, 92103, USA.
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86
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Mecatti GC, Messias MCF, de Oliveira Carvalho P. Lipidomic profile and candidate biomarkers in septic patients. Lipids Health Dis 2020; 19:68. [PMID: 32284068 PMCID: PMC7155265 DOI: 10.1186/s12944-020-01246-2] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2018] [Accepted: 03/31/2020] [Indexed: 02/06/2023] Open
Abstract
Sepsis is a severe disease with a high mortality rate. Identification and treatment in the initial hours of the disease improve outcomes. Some biomarkers like procalcitonin and C-reactive protein are used for diagnosis and to access sepsis prognosis and they can help in clinical decision-making, but none has sufficient specificity or sensitivity to be routinely employed in clinical practice. This review seeks to evaluate lipid metabolism alterations in patients with sepsis and the possibility of using the respective metabolites as biomarkers of the disease. A search of the main electronic biomedical databases was conducted for the 20-year period ending in February 2020, focused on primary research articles on biomarkers in sepsis. The keywords included sepsis, septic shock, biomarker, metabolomic, lipidomic and lysophosphatidylcoline. . It concludes that altered lipid profiles, along with the progress of the disease should provide new insights, enabling a better understanding of the pathogenic mechanisms and making it possible to design new early diagnosis and therapeutic procedures for sepsis.
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Affiliation(s)
- Giovana Colozza Mecatti
- Laboratory of Multidisciplinary Research, São Francisco University, USF, São Francisco de Assis Avenue, 218, Bragança Paulista, SP, 12916-900, Brazil.
| | - Márcia Cristina Fernandes Messias
- Laboratory of Multidisciplinary Research, São Francisco University, USF, São Francisco de Assis Avenue, 218, Bragança Paulista, SP, 12916-900, Brazil
| | - Patrícia de Oliveira Carvalho
- Laboratory of Multidisciplinary Research, São Francisco University, USF, São Francisco de Assis Avenue, 218, Bragança Paulista, SP, 12916-900, Brazil
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87
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Low Plasma Sphingomyelin Levels Show a Weak Association with Poor Neurological Outcome in Cardiac Arrest Patients: Results from the Prospective, Observational COMMUNICATE Trial. J Clin Med 2020; 9:jcm9040897. [PMID: 32218134 PMCID: PMC7230482 DOI: 10.3390/jcm9040897] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2020] [Revised: 03/09/2020] [Accepted: 03/16/2020] [Indexed: 11/30/2022] Open
Abstract
There is interest in novel blood markers to improve risk stratification in patients presenting with cardiac arrest. We assessed associations of different plasma sphingomyelin concentrations and neurological outcome in patients with cardiac arrest. In this prospective observational study, adult patients with cardiac arrest were included upon admission to the intensive care unit (ICU). We studied associations of admission plasma levels of 15 different sphingomyelin species with neurological outcome at hospital discharge (primary endpoint) defined by the modified Rankin Scale by the calculation of univariable and multivariable logistic regression models adjusted for age, gender, and clinical shock markers. We included 290 patients (72% males, median age 65 years) with 162 (56%) having poor neurological outcome at hospital discharge. The three sphingomyelin species SM C24:0, SM(OH) C22:1, and SM(OH) C24:1 were significantly lower in patients with poor neurological outcome compared to patients with favorable outcome with areas under the curve (AUC) of 0.58, 0.59, and 0.59. SM(OH) C24:1 was independently associated with poor neurological outcome in a fully-adjusted regression model (adjusted odds ratio per log-transformed unit increase in SM(OH) C24:1 blood level 0.18, 95% CI 0.04 to 0.87, p = 0.033). Results were similar for 1-year mortality. Low admission sphingomyelin levels showed a weak association with poor neurological outcome in patients after cardiac arrest. If validated in future studies, a better understanding of biological sphingomyelin function during cardiac arrest may help to further advance the therapeutic approach and risk stratification in this vulnerable patient group.
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88
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Lauritano C, Helland K, Riccio G, Andersen JH, Ianora A, Hansen EH. Lysophosphatidylcholines and Chlorophyll-Derived Molecules from the Diatom Cylindrotheca closterium with Anti-Inflammatory Activity. Mar Drugs 2020; 18:md18030166. [PMID: 32192075 PMCID: PMC7143213 DOI: 10.3390/md18030166] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2020] [Revised: 03/13/2020] [Accepted: 03/13/2020] [Indexed: 12/20/2022] Open
Abstract
Microalgae have been shown to be excellent producers of lipids, pigments, carbohydrates, and a plethora of secondary metabolites with possible applications in the pharmacological, nutraceutical, and cosmeceutical sectors. Recently, various microalgal raw extracts have been found to have anti-inflammatory properties. In this study, we performed the fractionation of raw extracts of the diatom Cylindrotheca closterium, previously shown to have anti-inflammatory properties, obtaining five fractions. Fractions C and D were found to significantly inhibit tumor necrosis factor alpha (TNF-⍺) release in LPS-stimulated human monocyte THP-1 cells. A dereplication analysis of these two fractions allowed the identification of their main components. Our data suggest that lysophosphatidylcholines and a breakdown product of chlorophyll, pheophorbide a, were probably responsible for the observed anti-inflammatory activity. Pheophorbide a is known to have anti-inflammatory properties. We tested and confirmed the anti-inflammatory activity of 1-palmitoyl-sn-glycero-3-phosphocholine, the most abundant lysophosphatidylcholine found in fraction C. This study demonstrated the importance of proper dereplication of bioactive extracts and fractions before isolation of compounds is commenced.
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Affiliation(s)
- Chiara Lauritano
- Department of Marine Biotechnology, Stazione Zoologica Anton Dohrn, CAP80121 Naples, Italy; (G.R.); (A.I.)
- Correspondence: ; Tel.: +39-081-5833-221
| | - Kirsti Helland
- Marbio, UiT—The Arctic University of Norway, Breivika N-9037 Tromsø, Norway; (K.H.); (J.H.A.); (E.H.H.)
| | - Gennaro Riccio
- Department of Marine Biotechnology, Stazione Zoologica Anton Dohrn, CAP80121 Naples, Italy; (G.R.); (A.I.)
| | - Jeanette H. Andersen
- Marbio, UiT—The Arctic University of Norway, Breivika N-9037 Tromsø, Norway; (K.H.); (J.H.A.); (E.H.H.)
| | - Adrianna Ianora
- Department of Marine Biotechnology, Stazione Zoologica Anton Dohrn, CAP80121 Naples, Italy; (G.R.); (A.I.)
| | - Espen H. Hansen
- Marbio, UiT—The Arctic University of Norway, Breivika N-9037 Tromsø, Norway; (K.H.); (J.H.A.); (E.H.H.)
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89
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Association of proteome and metabolome signatures with severity in patients with community-acquired pneumonia. J Proteomics 2020; 214:103627. [DOI: 10.1016/j.jprot.2019.103627] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2019] [Revised: 11/29/2019] [Accepted: 12/22/2019] [Indexed: 01/09/2023]
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90
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Asai D, Kawano T, Murata M, Nakashima H, Toita R, Kang JH. Effect of Fetal Bovine Serum Concentration on Lysophosphatidylcholine-mediated Proliferation and Apoptosis of Human Aortic Smooth Muscle Cells. J Oleo Sci 2020; 69:255-260. [PMID: 32051357 DOI: 10.5650/jos.ess19268] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Lysophosphatidylcholine (lysoPtdCho) is produced by the phospholipase A2-mediated hydrolysis of phosphatidylcholine and can stimulate proliferation and apoptosis of vascular smooth muscle cells. We examined the influence of fetal bovine serum (FBS) concentration in the culture medium on lysoPtdCho-mediated apoptosis and proliferation of human aortic smooth muscle cells (HASMCs) as well as on the activation of extracellular signal-regulated kinases (ERK)1/2. In the presence of 1% FBS, HASMC viability increased after lysoPtdCho treatment at 1 and 10 μM but decreased at 25 and 50 μM. However, lysoPtdCho increased HASMC viability in a dose-dependent manner in the presence of 10% FBS. The activity of caspase 3/7 in HASMCs was increased by 25 μM lysoPtdCho in the presence of 1% FBS, but not 10% FBS. Furthermore, lysoPtdCho at 1 and 10 μM triggered ERK1/2 phosphorylation in the presence of 1% FBS, but not at 10% FBS. Thus, lysoPtdCho-mediated HASMC apoptosis, proliferation, and ERK1/2 activation are dependent on the concentration of FBS.
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Affiliation(s)
- Daisuke Asai
- Department of Microbiology, St. Marianna University School of Medicine
| | | | | | - Hideki Nakashima
- Department of Microbiology, St. Marianna University School of Medicine
| | - Riki Toita
- Biomedical Research Institute, National Institute of Advanced Industrial Science and Technology (AIST).,AIST-Osaka University Advanced Photonics and Biosensing Open Innovation Laboratory, AIST
| | - Jeong-Hun Kang
- Division of Biopharmaceutics and Pharmacokinetics, National Cerebral and Cardiovascular Center Research Institute
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91
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Metabolomic profiling of dried blood spots reveals gender-specific discriminant models for the diagnosis of small cell lung cancer. Aging (Albany NY) 2020; 12:978-995. [PMID: 31929115 PMCID: PMC6977651 DOI: 10.18632/aging.102670] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2019] [Accepted: 12/24/2019] [Indexed: 12/11/2022]
Abstract
The accurate diagnosis of small cell lung cancer (SCLC) at initial presentation is essential to ensure appropriate treatment. No validated blood biomarkers that could distinguish SCLC from non-small cell lung cancer (NSCLC) has yet been developed. Dried blood spot (DBS) microsampling has gained increasing interest in biomarkers discovery. In this study, we first performed metabolomic profiling of DBS samples from 37 SCLC, 40 NSCLC, and 37 controls. Two gender-specific multianalyte discriminant models were established for males and females, respectively to distinguish SCLC from NSCLC and controls. The receiver operator characteristic (ROC) curve analysis showed the diagnostic accuracy of 95% (95% CI: 83%-100%) in males SCLC using five metabolites in DBS and 94% (95% CI: 74%-100%) for females using another set of five metabolites. The robustness of the models was confirmed by the random permutation tests (P < 0.01 for both). The performance of the discriminant models was further evaluated using a validation cohort with 78 subjects. The developed discriminant models yielded an accuracy of 91% and 81% for males and females, respectively, in the validation cohort. Our results highlighted the potential clinical utility of the metabolomic profiling of DBS as a convenient and effective approach for the diagnosis of SCLC.
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92
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Gupta A, Muralidharan S, Torta F, Wenk MR, Wohland T. Long acyl chain ceramides govern cholesterol and cytoskeleton dependence of membrane outer leaflet dynamics. BIOCHIMICA ET BIOPHYSICA ACTA-BIOMEMBRANES 2019; 1862:183153. [PMID: 31857071 DOI: 10.1016/j.bbamem.2019.183153] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2019] [Accepted: 12/09/2019] [Indexed: 12/20/2022]
Abstract
The spatiotemporal dynamics of the plasma membrane is a consequence of fine-tuned interactions between membrane components. However, the precise identity of molecular factors that maintain this delicate balance, which is lost even in cell membrane derived mimics, remains elusive. Here, we use two cell lines, CHO-K1 and RBL-2H3, which show differences in outer membrane organization, dynamics, and cytoskeleton coupling, to investigate the underlying factors. To our surprise, knock-down of the cytoskeleton-interacting Immunoglobulin E receptor, which is abundant in RBL-2H3 but not in CHO-K1 cells, is not responsible for lipid confinement or cytoskeleton coupling. A subsequent lipidomic analysis of the two cell membranes revealed differences in total membrane ceramide content (C16 to C24). Analysis of the dynamics and organization of ceramide treated live cell membranes by imaging fluorescence correlation spectroscopy demonstrates that C24 and C16 saturated ceramides uniquely alter membrane dynamics by promoting the formation of cholesterol-independent domains and by elevating the inter-leaflet coupling.
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Affiliation(s)
- Anjali Gupta
- Department of Biological Sciences, National University of Singapore, 14 Science Drive 4, Singapore; NUS Centre for Bio-Imaging Sciences, National University of Singapore, 14 Science Drive 4, 117557, Singapore
| | - Sneha Muralidharan
- Department of Biological Sciences, National University of Singapore, 14 Science Drive 4, Singapore
| | - Federico Torta
- Department of Biochemistry, National University of Singapore, 3 Science Drive 3, 117543, Singapore
| | - Markus R Wenk
- Department of Biological Sciences, National University of Singapore, 14 Science Drive 4, Singapore; Department of Biochemistry, National University of Singapore, 3 Science Drive 3, 117543, Singapore
| | - Thorsten Wohland
- Department of Biological Sciences, National University of Singapore, 14 Science Drive 4, Singapore; NUS Centre for Bio-Imaging Sciences, National University of Singapore, 14 Science Drive 4, 117557, Singapore; Department of Chemistry, National University of Singapore, 3 Science Drive 3, 117543, Singapore.
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93
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Dysregulated Choline, Methionine, and Aromatic Amino Acid Metabolism in Patients with Wilson Disease: Exploratory Metabolomic Profiling and Implications for Hepatic and Neurologic Phenotypes. Int J Mol Sci 2019; 20:ijms20235937. [PMID: 31779102 PMCID: PMC6928853 DOI: 10.3390/ijms20235937] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2019] [Revised: 11/22/2019] [Accepted: 11/23/2019] [Indexed: 02/07/2023] Open
Abstract
Wilson disease (WD) is a genetic copper overload condition characterized by hepatic and neuropsychiatric symptoms with a not well-understood pathogenesis. Dysregulated methionine cycle is reported in animal models of WD, though not verified in humans. Choline is essential for lipid and methionine metabolism. Defects in neurotransmitters as acetylcholine, and biogenic amines are reported in WD; however, less is known about their circulating precursors. We aimed to study choline, methionine, aromatic amino acids, and phospholipids in serum of WD subjects. Hydrophilic interaction chromatography-quadrupole time-of-flight mass spectrometry was employed to profile serum of WD subjects categorized as hepatic, neurologic, and pre-clinical. Hepatic transcript levels of genes related to choline and methionine metabolism were verified in the Jackson Laboratory toxic milk mouse model of WD (tx-j). Compared to healthy subjects, choline, methionine, ornithine, proline, phenylalanine, tyrosine, and histidine were significantly elevated in WD, with marked alterations in phosphatidylcholines and reductions in sphingosine-1-phosphate, sphingomyelins, and acylcarnitines. In tx-j mice, choline, methionine, and phosphatidylcholine were similarly dysregulated. Elevated choline is a hallmark dysregulation in WD interconnected with alterations in methionine and phospholipid metabolism, which are relevant to hepatic steatosis. The elevated phenylalanine, tyrosine, and histidine carry implications for neurologic manifestations and are worth further investigation.
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94
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Arshad H, Alfonso JCL, Franke R, Michaelis K, Araujo L, Habib A, Zboromyrska Y, Lücke E, Strungaru E, Akmatov MK, Hatzikirou H, Meyer-Hermann M, Petersmann A, Nauck M, Brönstrup M, Bilitewski U, Abel L, Sievers J, Vila J, Illig T, Schreiber J, Pessler F. Decreased plasma phospholipid concentrations and increased acid sphingomyelinase activity are accurate biomarkers for community-acquired pneumonia. J Transl Med 2019; 17:365. [PMID: 31711507 PMCID: PMC6849224 DOI: 10.1186/s12967-019-2112-z] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2019] [Accepted: 10/26/2019] [Indexed: 02/07/2023] Open
Abstract
Background There continues to be a great need for better biomarkers and host-directed treatment targets for community-acquired pneumonia (CAP). Alterations in phospholipid metabolism may constitute a source of small molecule biomarkers for acute infections including CAP. Evidence from animal models of pulmonary infections and sepsis suggests that inhibiting acid sphingomyelinase (which releases ceramides from sphingomyelins) may reduce end-organ damage. Methods We measured concentrations of 105 phospholipids, 40 acylcarnitines, and 4 ceramides, as well as acid sphingomyelinase activity, in plasma from patients with CAP (n = 29, sampled on admission and 4 subsequent time points), chronic obstructive pulmonary disease exacerbation with infection (COPD, n = 13) as a clinically important disease control, and 33 age- and sex-matched controls. Results Phospholipid concentrations were greatly decreased in CAP and normalized along clinical improvement. Greatest changes were seen in phosphatidylcholines, followed by lysophosphatidylcholines, sphingomyelins and ceramides (three of which were upregulated), and were least in acylcarnitines. Changes in COPD were less pronounced, but also differed qualitatively, e.g. by increases in selected sphingomyelins. We identified highly accurate biomarkers for CAP (AUC ≤ 0.97) and COPD (AUC ≤ 0.93) vs. Controls, and moderately accurate biomarkers for CAP vs. COPD (AUC ≤ 0.83), all of which were phospholipids. Phosphatidylcholines, lysophosphatidylcholines, and sphingomyelins were also markedly decreased in S. aureus-infected human A549 and differentiated THP1 cells. Correlations with C-reactive protein and procalcitonin were predominantly negative but only of mild-to-moderate extent, suggesting that these markers reflect more than merely inflammation. Consistent with the increased ceramide concentrations, increased acid sphingomyelinase activity accurately distinguished CAP (fold change = 2.8, AUC = 0.94) and COPD (1.75, 0.88) from Controls and normalized with clinical resolution. Conclusions The results underscore the high potential of plasma phospholipids as biomarkers for CAP, begin to reveal differences in lipid dysregulation between CAP and infection-associated COPD exacerbation, and suggest that the decreases in plasma concentrations are at least partially determined by changes in host target cells. Furthermore, they provide validation in clinical blood samples of acid sphingomyelinase as a potential treatment target to improve clinical outcome of CAP.
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Affiliation(s)
- Haroon Arshad
- Research Group "Biomarkers for Infectious Diseases", TWINCORE Centre for Experimental and Clinical Infection Research, Feodor-Lynen-Str. 7, 30625, Hannover, Germany
| | - Juan Carlos López Alfonso
- Department of Systems Immunology and Braunschweig Integrated Centre of Systems Biology, Helmholtz Centre for Infection Research, Brunswick, Germany
| | - Raimo Franke
- Department of Chemical Biology, Helmholtz Centre for Infection Research and German Center for Infection Research (DZIF), Brunswick, Germany
| | - Katina Michaelis
- Clinic for Pneumology, Otto-von-Guericke University, Magdeburg, Germany
| | - Leonardo Araujo
- Research Group "Biomarkers for Infectious Diseases", TWINCORE Centre for Experimental and Clinical Infection Research, Feodor-Lynen-Str. 7, 30625, Hannover, Germany.,Helmholtz Centre for Infection Research, Brunswick, Germany
| | - Aamna Habib
- Research Group "Biomarkers for Infectious Diseases", TWINCORE Centre for Experimental and Clinical Infection Research, Feodor-Lynen-Str. 7, 30625, Hannover, Germany.,Department of Chemical Biology, Helmholtz Centre for Infection Research and German Center for Infection Research (DZIF), Brunswick, Germany
| | - Yuliya Zboromyrska
- Department of Clinical Microbiology, Biomedical Diagnostic Centre (CDB), Hospital Clinic, School of Medicine, University of Barcelona, Institute of Global Health (ISGlobal), Barcelona, Spain
| | - Eva Lücke
- Clinic for Pneumology, Otto-von-Guericke University, Magdeburg, Germany
| | - Emilia Strungaru
- Clinic for Pneumology, Otto-von-Guericke University, Magdeburg, Germany
| | - Manas K Akmatov
- Research Group "Biomarkers for Infectious Diseases", TWINCORE Centre for Experimental and Clinical Infection Research, Feodor-Lynen-Str. 7, 30625, Hannover, Germany.,Helmholtz Centre for Infection Research, Brunswick, Germany
| | - Haralampos Hatzikirou
- Department of Systems Immunology and Braunschweig Integrated Centre of Systems Biology, Helmholtz Centre for Infection Research, Brunswick, Germany
| | - Michael Meyer-Hermann
- Department of Systems Immunology and Braunschweig Integrated Centre of Systems Biology, Helmholtz Centre for Infection Research, Brunswick, Germany
| | - Astrid Petersmann
- Institute for Clinical Chemistry and Laboratory Medicine, University Medicine Greifswald, Greifswald, Germany.,UMG-Laboratory, University Medicine Göttingen, Göttingen, Germany
| | - Matthias Nauck
- Institute for Clinical Chemistry and Laboratory Medicine, University Medicine Greifswald, Greifswald, Germany.,DZHK (German Centre for Cardiovascular Research), Partner Site Greifswald, University Medicine, Greifswald, Germany
| | - Mark Brönstrup
- Department of Chemical Biology, Helmholtz Centre for Infection Research and German Center for Infection Research (DZIF), Brunswick, Germany
| | - Ursula Bilitewski
- Department of Chemical Biology, Helmholtz Centre for Infection Research and German Center for Infection Research (DZIF), Brunswick, Germany
| | - Laurent Abel
- Laboratory of Human Genetics of Infectious Diseases, Necker Branch, INSERM, Paris, France.,Paris Descartes University, Imagine Institute, Paris, France.,Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, Rockefeller University, New York, USA
| | - Jorg Sievers
- Clinical Microbiology, GlaxoSmithKline, Collegeville, PA, USA.,Clinical Development, ViiV Healthcare, Brentford, UK
| | - Jordi Vila
- Department of Clinical Microbiology, Biomedical Diagnostic Centre (CDB), Hospital Clinic, School of Medicine, University of Barcelona, Institute of Global Health (ISGlobal), Barcelona, Spain
| | - Thomas Illig
- Hannover Unified Biobank, Hannover Medical School, Hannover, Germany
| | - Jens Schreiber
- Clinic for Pneumology, Otto-von-Guericke University, Magdeburg, Germany
| | - Frank Pessler
- Research Group "Biomarkers for Infectious Diseases", TWINCORE Centre for Experimental and Clinical Infection Research, Feodor-Lynen-Str. 7, 30625, Hannover, Germany. .,Helmholtz Centre for Infection Research, Brunswick, Germany. .,Centre for Individualised Infection Medicine, Hannover, Germany.
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95
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Park JM, Noh JY, Kim MJ, Yun TG, Lee SG, Chung KS, Lee EH, Shin MH, Ku NS, Yoon S, Kang MJ, Park MS, Pyun JC. MALDI-TOF Mass Spectrometry Based on Parylene-Matrix Chip for the Analysis of Lysophosphatidylcholine in Sepsis Patient Sera. Anal Chem 2019; 91:14719-14727. [DOI: 10.1021/acs.analchem.9b04019] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Jong-Min Park
- Department of Materials Science and Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul 03722, Republic of Korea
| | - Joo-Yoon Noh
- Department of Materials Science and Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul 03722, Republic of Korea
| | - Moon-Ju Kim
- Department of Materials Science and Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul 03722, Republic of Korea
| | - Tae Gyeong Yun
- Department of Materials Science and Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul 03722, Republic of Korea
| | | | | | | | | | | | - Sohee Yoon
- Center for Nano-Bio Measurement, Korea Research Institute of Standards and Science, Daejeon, Republic of Korea
| | - Min-Jung Kang
- Korea Institute of Science and Technology, Seoul, Republic of Korea
| | | | - Jae-Chul Pyun
- Department of Materials Science and Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul 03722, Republic of Korea
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96
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Fitzpatrick SF. Immunometabolism and Sepsis: A Role for HIF? Front Mol Biosci 2019; 6:85. [PMID: 31555665 PMCID: PMC6742688 DOI: 10.3389/fmolb.2019.00085] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2019] [Accepted: 08/26/2019] [Indexed: 12/14/2022] Open
Abstract
Metabolic reprogramming of innate immune cells occurs during both the hyperinflammatory and immunotolerant phases of sepsis. The hypoxia inducible factor (HIF) signaling pathway plays a vital role in regulating these metabolic changes. This review initially summarizes the HIF-driven changes in metabolic dynamics of innate immune cells in response to sepsis. The hyperinflammatory phase of sepsis is accompanied by a metabolic switch from oxidative phosphorylation to HIF-1α mediated glycolysis. Furthermore, HIF driven alterations in arginine metabolism also occur during this phase. This promotes sepsis pathophysiology and the development of clinical symptoms. These early metabolic changes are followed by a late immunotolerant phase, in which suppressed HIF signaling promotes a switch from aerobic glycolysis to fatty acid oxidation, with a subsequent anti-inflammatory response developing. Recently the molecular mechanisms controlling HIF activation during these early and late phases have begun to be elucidated. In the final part of this review the contribution of toll-like receptors, transcription factors, metabolic intermediates, kinases and reactive oxygen species, in governing the HIF-induced metabolic reprogramming of innate immune cells will be discussed. Importantly, understanding these regulatory mechanisms can lead to the development of novel diagnostic and therapeutic strategies targeting the HIF-dependent metabolic state of innate immune cells.
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Affiliation(s)
- Susan F Fitzpatrick
- School of Medicine and Medical Science, University College Dublin, Dublin, Ireland
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97
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Nowill AE, Fornazin MC, Spago MC, Dorgan Neto V, Pinheiro VRP, Alexandre SSS, Moraes EO, Souza GHMF, Eberlin MN, Marques LA, Meurer EC, Franchi GC, de Campos-Lima PO. Immune Response Resetting in Ongoing Sepsis. THE JOURNAL OF IMMUNOLOGY 2019; 203:1298-1312. [PMID: 31358659 DOI: 10.4049/jimmunol.1900104] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/28/2019] [Accepted: 06/28/2019] [Indexed: 01/03/2023]
Abstract
Cure of severe infections, sepsis, and septic shock with antimicrobial drugs is a challenge because morbidity and mortality in these conditions are essentially caused by improper immune response. We have tested the hypothesis that repeated reactivation of established memory to pathogens may reset unfavorable immune responses. We have chosen for this purpose a highly stringent mouse model of polymicrobial sepsis by cecum ligation and puncture. Five weeks after priming with a diverse Ag pool, high-grade sepsis was induced in C57BL/6j mice that was lethal in 24 h if left untreated. Antimicrobial drug (imipenem) alone rescued 9.7% of the animals from death, but >5-fold higher cure rate could be achieved by combining imipenem and two rechallenges with the Ag pool (p < 0.0001). Antigenic stimulation fine-tuned the immune response in sepsis by contracting the total CD3+ T cell compartment in the spleen and disengaging the hyperactivation state in the memory T subsets, most notably CD8+ T cells, while preserving the recovery of naive subsets. Quantitative proteomics/lipidomics analyses revealed that the combined treatment reverted the molecular signature of sepsis for cytokine storm, and deregulated inflammatory reaction and proapoptotic environment, as well as the lysophosphatidylcholine/phosphatidylcholine ratio. Our results showed the feasibility of resetting uncontrolled hyperinflammatory reactions into ordered hypoinflammatory responses by memory reactivation, thereby reducing morbidity and mortality in antibiotic-treated sepsis. This beneficial effect was not dependent on the generation of a pathogen-driven immune response itself but rather on the reactivation of memory to a diverse Ag pool that modulates the ongoing response.
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Affiliation(s)
- Alexandre E Nowill
- Integrated Center for Pediatric OncoHaematological Research, State University of Campinas, Campinas 13083-888, Brazil;
| | - Márcia C Fornazin
- Integrated Center for Pediatric OncoHaematological Research, State University of Campinas, Campinas 13083-888, Brazil
| | - Maria C Spago
- Integrated Center for Pediatric OncoHaematological Research, State University of Campinas, Campinas 13083-888, Brazil
| | - Vicente Dorgan Neto
- Surgery Department, Santa Casa School of Medical Sciences, São Paulo 01221-020, Brazil
| | - Vitória R P Pinheiro
- Integrated Center for Pediatric OncoHaematological Research, State University of Campinas, Campinas 13083-888, Brazil
| | - Simônia S S Alexandre
- Integrated Center for Pediatric OncoHaematological Research, State University of Campinas, Campinas 13083-888, Brazil;
| | - Edgar O Moraes
- School of Engineering, Mackenzie Presbyterian University, São Paulo 01302-907, Brazil
| | - Gustavo H M F Souza
- Mass Spectrometry Research and Development Laboratory, Health Sciences Department, Waters Corporation, Barueri 06455-020, Brazil
| | - Marcos N Eberlin
- School of Engineering, Mackenzie Presbyterian University, São Paulo 01302-907, Brazil
| | - Lygia A Marques
- Thomson Mass Spectrometry Laboratory, Institute of Chemistry, State University of Campinas, Campinas 13083-859, Brazil; and
| | - Eduardo C Meurer
- Thomson Mass Spectrometry Laboratory, Institute of Chemistry, State University of Campinas, Campinas 13083-859, Brazil; and
| | - Gilberto C Franchi
- Integrated Center for Pediatric OncoHaematological Research, State University of Campinas, Campinas 13083-888, Brazil
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98
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Plasmodium falciparum sexual differentiation in malaria patients is associated with host factors and GDV1-dependent genes. Nat Commun 2019; 10:2140. [PMID: 31086187 PMCID: PMC6514009 DOI: 10.1038/s41467-019-10172-6] [Citation(s) in RCA: 51] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2018] [Accepted: 04/12/2019] [Indexed: 01/06/2023] Open
Abstract
Plasmodium sexual differentiation is required for malaria transmission, yet much remains unknown about its regulation. Here, we quantify early gametocyte-committed ring (gc-ring) stage, P. falciparum parasites in 260 uncomplicated malaria patient blood samples 10 days before maturation to transmissible stage V gametocytes using a gametocyte conversion assay (GCA). Seventy six percent of the samples have gc-rings, but the ratio of gametocyte to asexual-committed rings (GCR) varies widely (0–78%). GCR correlates positively with parasitemia and is negatively influenced by fever, not hematocrit, age or leukocyte counts. Higher expression levels of GDV1-dependent genes, ap2-g, msrp1 and gexp5, as well as a gdv1 allele encoding H217 are associated with high GCR, while high plasma lysophosphatidylcholine levels are associated with low GCR in the second study year. The results provide a view of sexual differentiation in the field and suggest key regulatory roles for clinical factors and gdv1 in gametocytogenesis in vivo. Here, the authors quantify early gametocyte-committed ring (gc-ring) stage Plasmodium falciparum parasites in 260 malaria patients 10 days before maturation to transmissible stage V gametocytes, and show that the ratio of circulating gc-rings is positively correlated with parasitemia and negatively correlated with body temperature.
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99
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Müller DC, Kauppi A, Edin A, Gylfe Å, Sjöstedt AB, Johansson A. Phospholipid levels in blood during community-acquired pneumonia. PLoS One 2019; 14:e0216379. [PMID: 31063483 PMCID: PMC6504044 DOI: 10.1371/journal.pone.0216379] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2017] [Accepted: 04/21/2019] [Indexed: 02/01/2023] Open
Abstract
Phospholipids, major constituents of bilayer cell membranes, are present in large amounts in pulmonary surfactant and play key roles in cell signaling. Here, we aim at finding clinically useful disease markers in community-acquired pneumonia (CAP) using comprehensive phospholipid profiling in blood and modeling of changes between sampling time points. Serum samples from 33 patients hospitalized with CAP were collected at admission, three hours after the start of intravenous antibiotics, Day 1 (at 12–24 h), Day 2 (at 36–48 h), and several weeks after recovery. A profile of 75 phospholipid species including quantification of the bioactive lysophosphatidylcholines (LPCs) was determined using liquid chromatography coupled to time-of-flight mass spectrometry. To control for possible enzymatic degradation of LPCs, serum autotaxin levels were examined. Twenty-two of the 33 patients with a clinical diagnosis of CAP received a laboratory-verified CAP diagnosis by microbial culture or microbial DNA detection by qPCR. All major phospholipid species, especially the LPCs, were pronouncedly decreased in the acute stage of illness. Total and individual LPC concentrations increased shortly after the initiation of antibiotic treatment, concentrations were at their lowest 3h after the initiation, and increased after Day 1. The total LPC concentration increased by a change ratio of 1.6–1.7 between acute illness and Day 2, and by a ratio of 3.7 between acute illness and full disease resolution. Autotaxin levels were low in acute illness and showed little changes over time, contradicting a hypothesis of enzymatic degradation causing the low levels of LPCs. In this sample of patients with CAP, the results demonstrate that LPC concentration changes in serum of patients with CAP closely mirrored the early transition from acute illness to recovery after the initiation of antibiotics. LPCs should be further explored as potential disease stage biomarkers in CAP and for their potential physiological role during recovery.
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Affiliation(s)
- Daniel C. Müller
- Department of Clinical Microbiology and the Laboratory for Molecular Infection Medicine Sweden, Umeå University, Umeå, Sweden
| | - Anna Kauppi
- Department of Clinical Microbiology and the Laboratory for Molecular Infection Medicine Sweden, Umeå University, Umeå, Sweden
| | - Alicia Edin
- Department of Clinical Microbiology and the Laboratory for Molecular Infection Medicine Sweden, Umeå University, Umeå, Sweden
| | - Åsa Gylfe
- Department of Clinical Microbiology and the Laboratory for Molecular Infection Medicine Sweden, Umeå University, Umeå, Sweden
| | - Anders B. Sjöstedt
- Department of Clinical Microbiology and the Laboratory for Molecular Infection Medicine Sweden, Umeå University, Umeå, Sweden
| | - Anders Johansson
- Department of Clinical Microbiology and the Laboratory for Molecular Infection Medicine Sweden, Umeå University, Umeå, Sweden
- * E-mail:
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100
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Cordy RJ, Patrapuvich R, Lili LN, Cabrera-Mora M, Chien JT, Tharp GK, Khadka M, Meyer EV, Lapp SA, Joyner CJ, Garcia A, Banton S, Tran V, Luvira V, Rungin S, Saeseu T, Rachaphaew N, Pakala SB, DeBarry JD, Kissinger JC, Ortlund EA, Bosinger SE, Barnwell JW, Jones DP, Uppal K, Li S, Sattabongkot J, Moreno A, Galinski MR. Distinct amino acid and lipid perturbations characterize acute versus chronic malaria. JCI Insight 2019; 4:125156. [PMID: 31045574 DOI: 10.1172/jci.insight.125156] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2018] [Accepted: 04/02/2019] [Indexed: 12/21/2022] Open
Abstract
Chronic malaria is a major public health problem and significant challenge for disease eradication efforts. Despite its importance, the biological factors underpinning chronic malaria are not fully understood. Recent studies have shown that host metabolic state can influence malaria pathogenesis and transmission, but its role in chronicity is not known. Here, with the goal of identifying distinct modifications in the metabolite profiles of acute versus chronic malaria, metabolomics was performed on plasma from Plasmodium-infected humans and nonhuman primates with a range of parasitemias and clinical signs. In rhesus macaques infected with Plasmodium coatneyi, significant alterations in amines, carnitines, and lipids were detected during a high parasitemic acute phase and many of these reverted to baseline levels once a low parasitemic chronic phase was established. Plasmodium gene expression, studied in parallel in the macaques, revealed transcriptional changes in amine, fatty acid, lipid and energy metabolism genes, as well as variant antigen genes. Furthermore, a common set of amines, carnitines, and lipids distinguished acute from chronic malaria in plasma from human Plasmodium falciparum cases. In summary, distinct host-parasite metabolic environments have been uncovered that characterize acute versus chronic malaria, providing insights into the underlying host-parasite biology of malaria disease progression.
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Affiliation(s)
- Regina Joice Cordy
- Emory Vaccine Center and Yerkes National Primate Research Center, Emory University, Atlanta, Georgia, USA.,Department of Biology, Wake Forest University, Winston-Salem, North Carolina, USA
| | | | - Loukia N Lili
- Division of Pulmonary, Allergy, Critical Care and Sleep Medicine, Department of Medicine, School of Medicine, Emory University, Atlanta, Georgia, USA.,Department of Genetics and Genomic Sciences, Institute for Next Generation Healthcare, Icahn School of Medicine, Mount Sinai, New York, New York, USA
| | - Monica Cabrera-Mora
- Emory Vaccine Center and Yerkes National Primate Research Center, Emory University, Atlanta, Georgia, USA
| | - Jung-Ting Chien
- Emory Vaccine Center and Yerkes National Primate Research Center, Emory University, Atlanta, Georgia, USA
| | - Gregory K Tharp
- Emory Vaccine Center and Yerkes National Primate Research Center, Emory University, Atlanta, Georgia, USA
| | - Manoj Khadka
- Emory Integrated Lipidomics Core, Emory University School of Medicine, Atlanta, Georgia, USA
| | - Esmeralda Vs Meyer
- Emory Vaccine Center and Yerkes National Primate Research Center, Emory University, Atlanta, Georgia, USA
| | - Stacey A Lapp
- Emory Vaccine Center and Yerkes National Primate Research Center, Emory University, Atlanta, Georgia, USA
| | - Chester J Joyner
- Emory Vaccine Center and Yerkes National Primate Research Center, Emory University, Atlanta, Georgia, USA
| | - AnaPatricia Garcia
- Emory Vaccine Center and Yerkes National Primate Research Center, Emory University, Atlanta, Georgia, USA
| | - Sophia Banton
- Division of Pulmonary, Allergy, Critical Care and Sleep Medicine, Department of Medicine, School of Medicine, Emory University, Atlanta, Georgia, USA
| | - ViLinh Tran
- Division of Pulmonary, Allergy, Critical Care and Sleep Medicine, Department of Medicine, School of Medicine, Emory University, Atlanta, Georgia, USA
| | - Viravarn Luvira
- Department of Clinical Tropical Medicine, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
| | - Siriwan Rungin
- Mahidol Vivax Research Unit, Mahidol University, Bangkok, Thailand
| | - Teerawat Saeseu
- Mahidol Vivax Research Unit, Mahidol University, Bangkok, Thailand
| | | | | | | | | | - Jessica C Kissinger
- Institute of Bioinformatics.,Center for Tropical and Emerging Global Diseases, and.,Department of Genetics, University of Georgia, Athens, Georgia, USA
| | - Eric A Ortlund
- Emory Integrated Lipidomics Core, Emory University School of Medicine, Atlanta, Georgia, USA
| | - Steven E Bosinger
- Emory Vaccine Center and Yerkes National Primate Research Center, Emory University, Atlanta, Georgia, USA.,Department of Pathology and Laboratory Medicine, Emory School of Medicine, Atlanta, Georgia, USA
| | - John W Barnwell
- Malaria Branch, Division of Parasitic Diseases and Malaria, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Dean P Jones
- Division of Pulmonary, Allergy, Critical Care and Sleep Medicine, Department of Medicine, School of Medicine, Emory University, Atlanta, Georgia, USA
| | - Karan Uppal
- Division of Pulmonary, Allergy, Critical Care and Sleep Medicine, Department of Medicine, School of Medicine, Emory University, Atlanta, Georgia, USA
| | - Shuzhao Li
- Division of Pulmonary, Allergy, Critical Care and Sleep Medicine, Department of Medicine, School of Medicine, Emory University, Atlanta, Georgia, USA
| | | | - Alberto Moreno
- Emory Vaccine Center and Yerkes National Primate Research Center, Emory University, Atlanta, Georgia, USA.,Division of Infectious Diseases, Department of Medicine, Emory University, Atlanta, Georgia, USA
| | - Mary R Galinski
- Emory Vaccine Center and Yerkes National Primate Research Center, Emory University, Atlanta, Georgia, USA.,Division of Infectious Diseases, Department of Medicine, Emory University, Atlanta, Georgia, USA
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