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Metri NJ, Butt AS, Murali A, Steiner-Lim GZ, Lim CK. Normative Data on Serum and Plasma Tryptophan and Kynurenine Concentrations from 8089 Individuals Across 120 Studies: A Systematic Review and Meta-Analysis. Int J Tryptophan Res 2023; 16:11786469231211184. [PMID: 38034059 PMCID: PMC10687991 DOI: 10.1177/11786469231211184] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Accepted: 10/15/2023] [Indexed: 12/02/2023] Open
Abstract
In this systematic review and meta-analysis, a normative dataset is generated from the published literature on the kynurenine pathway in control participants extracted from case-control and methodological validation studies. Study characteristics were mapped, and studies were evaluated in terms of analytical rigour and methodological validation. Meta-analyses of variance between types of instruments, sample matrices and metabolites were conducted. Regression analyses were applied to determine the relationship between metabolite, sample matrix, biological sex, participant age and study age. The grand mean concentrations of tryptophan in the serum and plasma were 60.52 ± 15.38 μM and 51.45 ± 10.47 μM, respectively. The grand mean concentrations of kynurenine in the serum and plasma were 1.96 ± 0.51 μM and 1.82 ± 0.54 μM, respectively. Regional differences in metabolite concentrations were observed across America, Asia, Australia, Europe and the Middle East. Of the total variance within the data, mode of detection (MOD) accounted for up to 2.96%, sample matrix up to 3.23%, and their interaction explained up to 1.53%; the latter of which was determined to be negligible. This review was intended to inform future empirical research and method development studies and successfully synthesised pilot data. The pilot data reported in this study will inform future precision medicine initiatives aimed at targeting the kynurenine pathway by improving the availability and quality of normative data.
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Affiliation(s)
- Najwa-Joelle Metri
- NICM Health Research Institute, Western Sydney University, Penrith, NSW, Australia
| | - Ali S Butt
- NICM Health Research Institute, Western Sydney University, Penrith, NSW, Australia
| | - Ava Murali
- Faculty of Medicine, Health and Human Sciences, Macquarie University, Macquarie Park, NSW, Australia
| | - Genevieve Z Steiner-Lim
- NICM Health Research Institute, Western Sydney University, Penrith, NSW, Australia
- Translational Health Research Institute (THRI), Western Sydney University, Penrith, NSW, Australia
| | - Chai K Lim
- Faculty of Medicine, Health and Human Sciences, Macquarie University, Macquarie Park, NSW, Australia
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Wang W, Cui H, Ran G, Du C, Chen X, Dong S, Huang S, Yan J, Chu J, Song J. Plasma metabolic profiling of patients with tetralogy of fallot. Clin Chim Acta 2023; 548:117522. [PMID: 37598740 DOI: 10.1016/j.cca.2023.117522] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Revised: 08/08/2023] [Accepted: 08/17/2023] [Indexed: 08/22/2023]
Abstract
BACKGROUND Tetralogy of Fallot (TOF) is a common congenital heart disease with high mortality. However, the medical imageology and liquidbiopsy techniques present certain limitations. Thus, this study investigated the plasma metabolic profiles to distinguish key metabolites for early diagnosis of TOF. METHODS In total, 69 patients with TOF and 43 normal controls were enrolled for targeted metabolomics based on liquid chromatography-tandem mass spectroscopy (LC-MS/MS). Absolute quantification of metabolites was performed using our standard database. The differentially expressed metabolites (DEMs) were screened by fold change (FC), VIP value and pearson correlation coefficient of OPLS-DA model. Receiver operating characteristic curve (ROC) was used to evaluate predictive ability of DEMs. RESULTS Different metabolic profiles were presented between TOF and Normal.The pathway analysis showed that significantly changed metabolites were enriched in nicotinamide and purine metabolism. Many intermediatesproductof purine and amido acid were higher in TOF than in Normal group, while energy substrates and electron carriers were lower in TOF than in Normal group. ROC analysis revealed a high diagnostic value of plasma FAD for differentiating TOF from Normal (AUC = 1). CONCLUSION Our study quantitatively characterized plasma metabolites in patients with TOF and may help to develop reliable biomarkers that contribute to the early TOF screening.
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Affiliation(s)
- Wei Wang
- Department of Cardiovascular Surgery, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, 167A Beilishi Road, Xi Cheng District, Beijing 100037, China
| | - Hao Cui
- The Cardiomyopathy Research Group, State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, 167A Beilishi Road, Xi Cheng District, Beijing 100037, China
| | - Gao Ran
- Department of General Surgery, Strategic Support Force Characteristic Medical Center, Beijing, China
| | - Chuhao Du
- Department of Cardiovascular Surgery, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, 167A Beilishi Road, Xi Cheng District, Beijing 100037, China
| | - Xiao Chen
- The Cardiomyopathy Research Group, State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, 167A Beilishi Road, Xi Cheng District, Beijing 100037, China
| | - Shuo Dong
- Department of Cardiovascular Surgery, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, 167A Beilishi Road, Xi Cheng District, Beijing 100037, China
| | - Siyuan Huang
- The Cardiomyopathy Research Group, State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, 167A Beilishi Road, Xi Cheng District, Beijing 100037, China
| | - Jun Yan
- Department of Cardiovascular Surgery, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, 167A Beilishi Road, Xi Cheng District, Beijing 100037, China
| | - Junmin Chu
- Department of Cardiovascular Surgery, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, 167A Beilishi Road, Xi Cheng District, Beijing 100037, China.
| | - Jiangping Song
- Department of Cardiovascular Surgery, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, 167A Beilishi Road, Xi Cheng District, Beijing 100037, China; The Cardiomyopathy Research Group, State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, 167A Beilishi Road, Xi Cheng District, Beijing 100037, China; Beijing Key Laboratory of Pre-clinical Research and Evaluation for Cardiovascular Implant Materials, Center for Cardiovascular Experimental Study and Evaluation, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, 167A Beilishi Road, Xi Cheng District, Beijing 100037, China.
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Bassareo PP, McMahon CJ. Metabolomics: A New Tool in Our Understanding of Congenital Heart Disease. Children (Basel) 2022; 9. [PMID: 36553246 DOI: 10.3390/children9121803] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/23/2022] [Revised: 11/12/2022] [Accepted: 11/22/2022] [Indexed: 11/25/2022]
Abstract
Although the genetic origins underpinning congenital heart disease (CHD) have been extensively studied, genes, by themselves, do not entirely predict phenotypes, which result from the complex interplay between genes and the environment. Consequently, genes merely suggest the potential occurrence of a specific phenotype, but they cannot predict what will happen in reality. This task can be revealed by metabolomics, the most promising of the "omics sciences". Though metabolomics applied to CHD is still in its infant phase, it has already been applied to CHD prenatal diagnosis, as well as to predict outcomes after cardiac surgery. Particular metabolomic fingerprints have been identified for some of the specific CHD subtypes. The hallmarks of CHD-related pulmonary arterial hypertension have also been discovered. This review, which is presented in a narrative format, due to the heterogeneity of the selected papers, aims to provide the readers with a synopsis of the literature on metabolomics in the CHD setting.
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Piri-Moghadam H, Miller A, Pronger D, Vicente F, Charrow J, Haymond S, Lin DC. Quantification of Branched-Chain Amino Acids in Plasma by High-Performance Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS). Methods Mol Biol 2022; 2546:65-81. [PMID: 36127579 DOI: 10.1007/978-1-0716-2565-1_7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
Abstract
Branched-chain amino acids (BCAA), including valine, alloisoleucine, isoleucine, and leucine, play significant roles in a number of metabolic pathways in the body. Deficiency in branched-chain ketoacid dehydrogenase complex, an enzyme required for metabolism of those amino acids, will lead to elevation and accumulation of BCAA and ketoacids in bodily fluids. This results in maple syrup urine disease (MSUD), a condition estimated to affect 1 in 100,000-300,000 births. If MSUD is not diagnosed in the first few days of life, progression of this disease can lead to intellectual disability, coma, irreversible brain damage, seizures, or even death. If diagnosed early, MSUD can be managed by monitoring the blood concentrations of BCAA and adjusting the patient's dietary intake accordingly. Therefore, it is critical to have a rapid, accurate, and reliable BCAA assay for confirmation of MSUD in newborns as well as routine monitoring of MSUD patients. Here, we describe a high-performance liquid chromatography tandem mass spectrometry (LC-MS/MS) method for BCAA measurement which requires only 20 μL of plasma. The sample preparation does not require derivatization and only involves protein precipitation with LC/MS-grade methanol, which contains leucine(13C6;15N), isoleucine(13C6;15N), and valine(13C5;15N) as the internal standards. The final sample extracts do not require dry-down and reconstitution and are readily compatible with the liquid chromatography (LC) method. BCAA are separated using the isocratic gradient method on a mixed-mode Intrada column. Multiple-reaction monitoring (MRM) mode is used for MS/MS detection to monitor the parent-to-daughter transitions m/z 132.2 to 86.4 for leucine, isoleucine, and alloisoleucine; m/z 118.2 to 72.4 for valine; m/z 139.2 to 92.4 for leucine(13C6;15N) and isoleucine(13C6;15N); and m/z 124.2 to 77.4 for valine(13C5;15N).
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Affiliation(s)
- Hamed Piri-Moghadam
- Department of Pathology and Laboratory Medicine, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, IL, USA
| | - Alan Miller
- Department of Pathology and Laboratory Medicine, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, IL, USA
| | - Debra Pronger
- Department of Pathology and Laboratory Medicine, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, IL, USA
| | - Faye Vicente
- Department of Pathology and Laboratory Medicine, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, IL, USA
| | - Joel Charrow
- Department of Pathology and Laboratory Medicine, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, IL, USA.,Department of Pediatrics, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Shannon Haymond
- Department of Pathology and Laboratory Medicine, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, IL, USA.,Department of Pathology, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - David C Lin
- Department of Pathology and Laboratory Medicine, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, IL, USA.,Department of Pathology, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
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Piri-Moghadam H, Miller A, Pronger D, Vicente F, Charrow J, Haymond S, Lin DC. A rapid LC-MS/MS assay for detection and monitoring of underivatized branched-chain amino acids in maple syrup urine disease. J Mass Spectrom Adv Clin Lab 2022; 24:107-117. [PMID: 35602306 PMCID: PMC9120951 DOI: 10.1016/j.jmsacl.2022.04.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Revised: 04/19/2022] [Accepted: 04/24/2022] [Indexed: 11/14/2022] Open
Abstract
Branched chain amino acid (BCAA) testing is crucial in the diagnosis and monitoring of maple syrup urine disease (MSUD). Mixed mode chromatography can be applied to separate BCAAs without requiring sample derivatization. A rapid, clinically validated LC-MS/MS-based assay for analysis of underivatized BCAA in human plasma was developed. The assay involves minimal sample preparation without derivatization, rapid chromatographic separation, and requires only 20 µL of sample.
Introduction Quantitation of the isomeric branched-chain amino acids (BCAA; valine, alloisoleucine, isoleucine, leucine) is a challenging task that typically requires derivatization steps or long runtimes if a traditional chromatographic method involving a ninhydrin ion pairing reagent is used. Objectives To develop and perform clinical validation of a rapid, LC-MS/MS-based targeted metabolomics assay for detection and monitoring of underivatized BCAA in human plasma. Methods: Various columns and modes of chromatography were tested. The final optimized method utilized mixed mode chromatography with an Intrada column under isocratic condition. Sample preparation utilized the 96-well format. Briefly, extraction solvent containing the internal standard is added to 20 uL of sample, followed by shaking and positive pressure filtering, and the resulting extracted sample is analyzed. The assay was validated based on accepted quality standards (e.g., CLIA and CLSI) for clinical assays. Results The method is linear over a wide range of concentrations, 2.0–1500 µM, with LOD of 0.60 µM and LOQ of 2.0 µM. The precision of the assay was 4–10% across analytes. The method was also validated against reference laboratories via blinded split-sample analysis and demonstrated good agreement with accuracy: 89–95% relative to the external group mean. Conclusion We have developed a method that is accurate, rapid, and reliable for routine clinical testing of patient sample BCAA, which is used in the diagnosis and management of maple syrup urine disease (MSUD). The assay also has desirable characteristics, such as short run time, small sample volume requirement, simple sample preparation without the need for derivatization, and high throughput.
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Farid M, Khan N, Fatima M, Rasool F, Azmat H, Iqbal KJ, Nazir S, Bano S, Khizar A, Asghar M. Performance evaluation of the commercial aquafeeds available in the market of Pakistan on Channa marulius (Sole). BRAZ J BIOL 2021; 84:e250821. [PMID: 34755812 DOI: 10.1590/1519-6984.250821] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Accepted: 07/15/2021] [Indexed: 11/22/2022] Open
Abstract
The present study aimed to determine the effect of different levels of protein on the growth, body composition, amino acid profile and serology of Channa marulius fingerlings. The experiment was conducted in ten happas installed in earthen ponds, each stocked with 10 fishes for 90 days. Four commercial fish feeds having 25%, 30%, 32% and 40% crude protein (CP) levels were fed to fish at 3% of their wet body weight three times a day. The results of the study revealed that highest weight gain, feed conversion ratio and survival rate were observed in 30% protein feed. Meanwhile, moisture content was higher in fish fed with 30% CP feed while highest crude protein was recorded in 40% CP fed fish. Lowest fat content was observed in 32% CP feed. Amino acid profile of fish revealed better results in 30% CP feed. Total protein, glucose and globulin were also highest in fish feeding 30% CP feed, while albumin was highest in 40% CP feed. It is concluded that 30% CP feed showed better results in terms of growth, amino acid profile and serological parameters without effecting fish body composition.
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Affiliation(s)
- M Farid
- University of Veterinary and Animal Sciences, Department of Fisheries and Aquaculture, Lahore, Pakistan
| | - N Khan
- University of Veterinary and Animal Sciences, Department of Fisheries and Aquaculture, Lahore, Pakistan
| | - M Fatima
- University of Veterinary and Animal Sciences, Department of Fisheries and Aquaculture, Lahore, Pakistan
| | - F Rasool
- University of Veterinary and Animal Sciences, Department of Fisheries and Aquaculture, Lahore, Pakistan
| | - H Azmat
- University of Veterinary and Animal Sciences, Department of Fisheries and Aquaculture, Lahore, Pakistan
| | - K J Iqbal
- Islamia University of Bahawalpur, Department of Zoology, Bahawalpur, Pakistan
| | - S Nazir
- University of Veterinary and Animal Sciences, Department of Fisheries and Aquaculture, Lahore, Pakistan
| | - S Bano
- University of Veterinary and Animal Sciences, Department of Fisheries and Aquaculture, Lahore, Pakistan
| | - A Khizar
- University of Veterinary and Animal Sciences, Department of Fisheries and Aquaculture, Lahore, Pakistan
| | - M Asghar
- University of Veterinary and Animal Sciences, Department of Fisheries and Aquaculture, Lahore, Pakistan
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