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Joblin-Mills A, Wu ZE, Sequeira-Bisson IR, Miles-Chan JL, Poppitt SD, Fraser K. Utilising a Clinical Metabolomics LC-MS Study to Determine the Integrity of Biological Samples for Statistical Modelling after Long Term -80 °C Storage: A TOFI_Asia Sub-Study. Metabolites 2024; 14:313. [PMID: 38921448 PMCID: PMC11205627 DOI: 10.3390/metabo14060313] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2024] [Revised: 05/20/2024] [Accepted: 05/27/2024] [Indexed: 06/27/2024] Open
Abstract
Biological samples of lipids and metabolites degrade after extensive years in -80 °C storage. We aimed to determine if associated multivariate models are also impacted. Prior TOFI_Asia metabolomics studies from our laboratory established multivariate models of metabolic risks associated with ethnic diversity. Therefore, to compare multivariate modelling degradation after years of -80 °C storage, we selected a subset of aged (≥5-years) plasma samples from the TOFI_Asia study to re-analyze via untargeted LC-MS metabolomics. Samples from European Caucasian (n = 28) and Asian Chinese (n = 28) participants were evaluated for ethnic discrimination by partial least squares discriminative analysis (PLS-DA) of lipids and polar metabolites. Both showed a strong discernment between participants ethnicity by features, before (Initial) and after (Aged) 5-years of -80 °C storage. With receiver operator characteristic curves, sparse PLS-DA derived confusion matrix and prediction error rates, a considerable reduction in model integrity was apparent with the Aged polar metabolite model relative to Initial modelling. Ethnicity modelling with lipids maintained predictive integrity in Aged plasma samples, while equivalent polar metabolite models reduced in integrity. Our results indicate that researchers re-evaluating samples for multivariate modelling should consider time at -80 °C when producing predictive metrics from polar metabolites, more so than lipids.
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Affiliation(s)
- Aidan Joblin-Mills
- Food Chemistry & Structure Team, AgResearch, Palmerston North 4410, New Zealand; (Z.E.W.); (K.F.)
- High-Value Nutrition National Science Challenge, Auckland 1145, New Zealand; (I.R.S.-B.); (J.L.M.-C.); (S.D.P.)
| | - Zhanxuan E. Wu
- Food Chemistry & Structure Team, AgResearch, Palmerston North 4410, New Zealand; (Z.E.W.); (K.F.)
- High-Value Nutrition National Science Challenge, Auckland 1145, New Zealand; (I.R.S.-B.); (J.L.M.-C.); (S.D.P.)
- School of Food and Nutrition, Massey University, Palmerston North 4410, New Zealand
| | - Ivana R. Sequeira-Bisson
- High-Value Nutrition National Science Challenge, Auckland 1145, New Zealand; (I.R.S.-B.); (J.L.M.-C.); (S.D.P.)
- Human Nutrition Unit, School of Biological Sciences, University of Auckland, Auckland 1024, New Zealand
| | - Jennifer L. Miles-Chan
- High-Value Nutrition National Science Challenge, Auckland 1145, New Zealand; (I.R.S.-B.); (J.L.M.-C.); (S.D.P.)
- Human Nutrition Unit, School of Biological Sciences, University of Auckland, Auckland 1024, New Zealand
| | - Sally D. Poppitt
- High-Value Nutrition National Science Challenge, Auckland 1145, New Zealand; (I.R.S.-B.); (J.L.M.-C.); (S.D.P.)
- Human Nutrition Unit, School of Biological Sciences, University of Auckland, Auckland 1024, New Zealand
- Department of Medicine, University of Auckland, Auckland 1145, New Zealand
| | - Karl Fraser
- Food Chemistry & Structure Team, AgResearch, Palmerston North 4410, New Zealand; (Z.E.W.); (K.F.)
- High-Value Nutrition National Science Challenge, Auckland 1145, New Zealand; (I.R.S.-B.); (J.L.M.-C.); (S.D.P.)
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Milan AM, Barnett MP, McNabb WC, Roy NC, Coutinho S, Hoad CL, Marciani L, Nivins S, Sharif H, Calder S, Du P, Gharibans AA, O'Grady G, Fraser K, Bernstein D, Rosanowski SM, Sharma P, Shrestha A, Mithen RF. The impact of heat treatment of bovine milk on gastric emptying and nutrient appearance in peripheral circulation in healthy females: a randomized controlled trial comparing pasteurized and ultra-high temperature milk. Am J Clin Nutr 2024; 119:1200-1215. [PMID: 38452857 DOI: 10.1016/j.ajcnut.2024.03.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Revised: 02/29/2024] [Accepted: 03/04/2024] [Indexed: 03/09/2024] Open
Abstract
BACKGROUND Heat treatments of dairy, including pasteurization and ultra-high temperature (UHT) processing, alter milk macromolecular structures, and ultimately affect digestion. In vitro, animal, and human studies show faster nutrient release or circulating appearance after consuming UHT milk (UHT-M) compared with pasteurized milk (PAST-M), with a faster gastric emptying (GE) rate proposed as a possible mechanism. OBJECTIVES To investigate the impact of milk heat treatment on GE as a mechanism of faster nutrient appearance in blood. We hypothesized that GE and circulating nutrient delivery following consumption would be faster for UHT-M than PAST-M. METHODS In this double-blind randomized controlled cross-over trial, healthy female (n = 20; 27.3 ± 1.4 y, mean ± SD) habitual dairy consumers, consumed 500 mL of either homogenized bovine UHT-M or PAST-M (1340 compared with 1320 kJ). Gastric content volume (GCV) emptying half-time (T50) was assessed over 3 h by magnetic resonance imaging subjective digestive symptoms, plasma amino acid, lipid and B vitamin concentrations, and gastric myoelectrical activity were measured over 5 h. RESULTS Although GCV T50 did not differ (102 ± 7 min compared with 89 ± 8 min, mean ± SEM, UHT-M and PAST-M, respectively; P = 0.051), GCV time to emptying 25% of the volume was 31% longer following UHT-M compared with PAST-M (42 ± 2 compared with 32 ± 4 min, P = 0.004). Although GCV remained larger for a longer duration following UHT-M (treatment × time interaction, P = 0.002), plasma essential amino acid AUC was greater following UHT-M than PAST-M (55,324 ± 3809 compared with 36,598 ± 5673 μmol·min·L-1, P = 0.006). Heat treatment did not impact gastric myoelectrical activity, plasma appetite hormone markers or subjective appetite scores. CONCLUSIONS Contrary to expectations, GE was slower with UHT-M, yet, as anticipated, aminoacidemia was greater. The larger GCV following UHT-M suggests that gastric volume may poorly predict circulating nutrient appearance from complex food matrices. Dairy heat treatment may be an effective tool to modify nutrient release by impacting digestion kinetics. CLINICAL TRIAL REGISTRY www.anzctr.org.au (ACTRN12620000172909).
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Affiliation(s)
- Amber Marie Milan
- The Liggins Institute, The University of Auckland, Auckland, New Zealand; AgResearch Limited, Palmerston North, New Zealand; The High-Value Nutrition National Science Challenge, Auckland, New Zealand.
| | - Matthew Pg Barnett
- AgResearch Limited, Palmerston North, New Zealand; The Riddet Institute, Palmerston North, New Zealand
| | - Warren C McNabb
- The High-Value Nutrition National Science Challenge, Auckland, New Zealand; The Riddet Institute, Palmerston North, New Zealand
| | - Nicole C Roy
- The High-Value Nutrition National Science Challenge, Auckland, New Zealand; The Riddet Institute, Palmerston North, New Zealand; Department of Human Nutrition, The University of Otago, Otago, New Zealand
| | - Schynell Coutinho
- The Liggins Institute, The University of Auckland, Auckland, New Zealand; AgResearch Limited, Palmerston North, New Zealand
| | - Caroline L Hoad
- Sir Peter Mansfield Imaging Centre, University of Nottingham, Nottingham, United Kingdom; NIHR Nottingham BRC, Nottingham University Hospitals NHS Trust and the University of Nottingham, Nottingham, United Kingdom
| | - Luca Marciani
- NIHR Nottingham BRC, Nottingham University Hospitals NHS Trust and the University of Nottingham, Nottingham, United Kingdom; Nottingham Digestive Diseases Centre, University of Nottingham, Nottingham, United Kingdom
| | - Samson Nivins
- The Liggins Institute, The University of Auckland, Auckland, New Zealand; Department of Neuroscience, Karolinska Institutet, Solna, Sweden
| | - Hayfa Sharif
- NIHR Nottingham BRC, Nottingham University Hospitals NHS Trust and the University of Nottingham, Nottingham, United Kingdom; Nottingham Digestive Diseases Centre, University of Nottingham, Nottingham, United Kingdom; Amiri Hospital, Ministry of Health, Civil Service Commission, Kuwait City, Kuwait
| | - Stefan Calder
- Auckland Bioengineering Institute, The University of Auckland, Auckland, New Zealand
| | - Peng Du
- Auckland Bioengineering Institute, The University of Auckland, Auckland, New Zealand
| | - Armen A Gharibans
- Auckland Bioengineering Institute, The University of Auckland, Auckland, New Zealand; Department of Surgery, Faculty of Medical and Health Sciences, University of Auckland, Auckland, New Zealand
| | - Greg O'Grady
- Auckland Bioengineering Institute, The University of Auckland, Auckland, New Zealand; Department of Surgery, Faculty of Medical and Health Sciences, University of Auckland, Auckland, New Zealand
| | - Karl Fraser
- AgResearch Limited, Palmerston North, New Zealand; The High-Value Nutrition National Science Challenge, Auckland, New Zealand; The Riddet Institute, Palmerston North, New Zealand
| | | | | | - Pankaja Sharma
- The Liggins Institute, The University of Auckland, Auckland, New Zealand; AgResearch Limited, Palmerston North, New Zealand
| | - Aahana Shrestha
- The Liggins Institute, The University of Auckland, Auckland, New Zealand; AgResearch Limited, Palmerston North, New Zealand
| | - Richard F Mithen
- The Liggins Institute, The University of Auckland, Auckland, New Zealand; The High-Value Nutrition National Science Challenge, Auckland, New Zealand; The Riddet Institute, Palmerston North, New Zealand
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Pan Z, Ye A, Fraser K, Li S, Dave A, Singh H. Comparative lipidomics analysis of in vitro lipid digestion of sheep milk: Influence of homogenization and heat treatment. J Dairy Sci 2024; 107:711-725. [PMID: 37776996 DOI: 10.3168/jds.2023-23446] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Accepted: 09/04/2023] [Indexed: 10/02/2023]
Abstract
This study investigated the changes in sheep milk lipids during in vitro gastrointestinal digestion in response to heat treatment (75°C/15 s and 95°C/5 min) and homogenization (200/50 bar) using lipidomics. Homogenized and pasteurized sheep milk had higher levels of polar lipids in gastric digesta emptied at 20 min than raw sheep milk. Intense heat treatment of homogenized sheep milk resulted in a reduced level of polar lipids compared with homogenized-pasteurized sheep milk. The release rate of free fatty acids during small intestinal digestion for gastric digesta emptied at 20 min followed the order: raw ≤ pasteurized < homogenized-pasteurized ≤ homogenized-heated sheep milk; the rate for gastric digesta emptied at 180 min showed a reverse order. No differences in the lipolysis degree were observed among differently processed sheep milks. These results indicated that processing treatments affect the lipid composition of digesta and the lipolysis rate but not the lipolysis degree during small intestinal digestion.
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Affiliation(s)
- Zheng Pan
- Riddet Institute, Massey University, Palmerston North 4442, New Zealand
| | - Aiqian Ye
- Riddet Institute, Massey University, Palmerston North 4442, New Zealand.
| | - Karl Fraser
- Riddet Institute, Massey University, Palmerston North 4442, New Zealand; AgResearch, Palmerston North 4442, New Zealand
| | - Siqi Li
- Riddet Institute, Massey University, Palmerston North 4442, New Zealand
| | - Anant Dave
- Riddet Institute, Massey University, Palmerston North 4442, New Zealand
| | - Harjinder Singh
- Riddet Institute, Massey University, Palmerston North 4442, New Zealand
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Pan Z, Ye A, Fraser K, Li S, Dave A, Singh H. Comparative lipidomics analysis of different-sized fat globules in sheep and cow milks. Curr Res Food Sci 2023; 8:100655. [PMID: 38204877 PMCID: PMC10776417 DOI: 10.1016/j.crfs.2023.100655] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2023] [Revised: 12/05/2023] [Accepted: 12/06/2023] [Indexed: 01/12/2024] Open
Abstract
The effect of milk fat globule (MFG) size and species (sheep versus cow) on the lipid and protein compositions of sheep and cow milks was studied. The MFGs in raw cow and sheep milks were separated into six significantly different-sized (1.5-5.5 μm) groups by a gravity-based separation method, and their fatty acids, their lipidomes and the protein compositions of their MFG membranes were determined. The proportions of polar lipids increased but glycoproteins decreased with decreasing MFG size in both sheep milk and cow milk; the fatty acid composition showed few differences among the MFG groups. The average size of each MFG group was comparable between sheep milk and cow milk. Sheep milk contained higher proportions of short-chain fatty acids, medium-chain fatty acids and sphingomyelin than cow milk in all MFG groups. The proportion of glycoproteins was higher in cow MFG membrane than in sheep MFG membrane. The results suggested that the lipid and protein compositions were markedly species and size dependent.
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Affiliation(s)
- Zheng Pan
- Riddet Institute, Massey University, Private Bag 11 222, Palmerston North 4442, New Zealand
| | - Aiqian Ye
- Riddet Institute, Massey University, Private Bag 11 222, Palmerston North 4442, New Zealand
| | - Karl Fraser
- Riddet Institute, Massey University, Private Bag 11 222, Palmerston North 4442, New Zealand
- AgResearch, Private Bag 11 008, Palmerston North 4442, New Zealand
| | - Siqi Li
- Riddet Institute, Massey University, Private Bag 11 222, Palmerston North 4442, New Zealand
| | - Anant Dave
- Riddet Institute, Massey University, Private Bag 11 222, Palmerston North 4442, New Zealand
| | - Harjinder Singh
- Riddet Institute, Massey University, Private Bag 11 222, Palmerston North 4442, New Zealand
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Jena A, Montoya CA, Fraser K, Giezenaar C, Young W, Mullaney JA, Dilger RN, Roy D, McNabb WC, Roy NC. Metabolite profiling of peripheral blood plasma in pigs in early postnatal life fed whole bovine, caprine or ovine milk. Front Nutr 2023; 10:1242301. [PMID: 37823089 PMCID: PMC10564076 DOI: 10.3389/fnut.2023.1242301] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Accepted: 09/13/2023] [Indexed: 10/13/2023] Open
Abstract
Ruminants' milk is commonly used for supplying nutrients to infants when breast milk is unavailable or limited. Previous studies have highlighted the differences between ruminants' milk composition, digestion, absorption, and fermentation. However, whether consuming different ruminants' milk impact the appearance of the circulatory blood metabolites in the early postnatal life is not well understood. The analysis conducted here aimed to determine the effect of feeding exclusively whole milk from bovine, caprine or ovine species to pigs, approximately 7 days-old for 15 days, on circulatory blood plasma metabolites. Relative intensities of plasma metabolites were detected using a liquid chromatography-mass spectrometry based metabolomic approach. Seven polar and 83 non-polar (lipids) metabolites in plasma were significantly different (false discovery rate < 0.05) between milk treatments. These included polar metabolites involved in amino acid metabolism and lipids belonging to phosphatidylcholine, lysophosphatidylcholine, sphingomyelin, and triglycerides. Compared to the caprine or bovine milk group, the relative intensities of polar metabolites and unsaturated triglycerides were higher in the peripheral circulation of the ovine milk group. In contrast, relative intensities of saturated triglycerides and phosphatidylcholine were higher in the bovine milk group compared to the ovine or caprine milk group. In addition, correlations were identified between amino acid and lipid intake and their appearance in peripheral blood circulation. The results highlighted that consuming different ruminants' milk influences the plasma appearance of metabolites, especially lipids, that may contribute to early postnatal life development in pigs.
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Affiliation(s)
- Ankita Jena
- Riddet Institute, Massey University, Palmerston North, New Zealand
- School of Food and Advanced Technology, College of Sciences, Massey University, Palmerston North, New Zealand
- AgResearch, Palmerston North, New Zealand
| | - Carlos A. Montoya
- Riddet Institute, Massey University, Palmerston North, New Zealand
- AgResearch, Palmerston North, New Zealand
| | - Karl Fraser
- Riddet Institute, Massey University, Palmerston North, New Zealand
- AgResearch, Palmerston North, New Zealand
- High-Value Nutrition National Science Challenge, Auckland, New Zealand
| | - Caroline Giezenaar
- Riddet Institute, Massey University, Palmerston North, New Zealand
- Food Experience and Sensory Testing (FEAST) Laboratory, School of Food and Advanced Technology, Massey University, Palmerston North, New Zealand
| | - Wayne Young
- Riddet Institute, Massey University, Palmerston North, New Zealand
- AgResearch, Palmerston North, New Zealand
- High-Value Nutrition National Science Challenge, Auckland, New Zealand
| | - Jane A. Mullaney
- Riddet Institute, Massey University, Palmerston North, New Zealand
- AgResearch, Palmerston North, New Zealand
- High-Value Nutrition National Science Challenge, Auckland, New Zealand
| | - Ryan N. Dilger
- Department of Animal Sciences, University of Illinois, Urbana, IL, United States
| | - Debashree Roy
- Riddet Institute, Massey University, Palmerston North, New Zealand
| | - Warren C. McNabb
- Riddet Institute, Massey University, Palmerston North, New Zealand
- High-Value Nutrition National Science Challenge, Auckland, New Zealand
| | - Nicole C. Roy
- Riddet Institute, Massey University, Palmerston North, New Zealand
- High-Value Nutrition National Science Challenge, Auckland, New Zealand
- Department of Human Nutrition, University of Otago, Dunedin, New Zealand
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Van Pevenage PM, Birchmier JT, June RK. Utilizing metabolomics to identify potential biomarkers and perturbed metabolic pathways in osteoarthritis: A systematic review. Semin Arthritis Rheum 2023; 59:152163. [PMID: 36736024 PMCID: PMC9992342 DOI: 10.1016/j.semarthrit.2023.152163] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Revised: 12/15/2022] [Accepted: 01/04/2023] [Indexed: 01/15/2023]
Abstract
PURPOSE Osteoarthritis (OA) is a joint disease that is clinically diagnosed using components of history, physical exam, and characteristic radiographic findings, such as joint space narrowing. Currently, there are no laboratory findings that are specific to a diagnosis of OA. The purpose of this systematic review is to evaluate the state of current studies of metabolomic biomarkers that can aid in the diagnosis and treatment of OA. METHODS Articles were gathered from PubMed and Web of Science using the search terms "osteoarthritis" and "biomarkers" and "metabolomics". Last search of databases took place December 3rd, 2022. Duplicates were manually screened, along with any other results that were not original journal articles. Only original reports involving populations with diagnosed primary or secondary OA (human participants) or surgically induced OA (animal participants) and a healthy control group for comparison were considered for inclusion. Metabolites and metabolic pathways reported in included articles were then manually extracted and evaluated for importance based on reported a priori p-values and/or area under the receiver-operator curve (AUC). RESULTS Of the 161 results that were returned in the database searches, 43 unique articles met the inclusion criteria. Articles were categorized based on body fluid analyzed: 6 studies on urine samples, 13 studies on plasma samples, 11 studies on synovial fluid (SF) samples, 11 studies on serum samples, 1 study on both synovial fluid and serum, and 1 study that involved both plasma and synovial fluid. To synthesize results, individual metabolites, as well as metabolic pathways that involve frequently reported metabolites, are presented for each study. Indications as to whether metabolite levels were increased or decreased are also included if this data was included in the original articles. CONCLUSIONS These studies clearly show that there are a wide range of metabolic pathways perturbed in OA. For this period, there was no consensus on a single metabolite, or panel of metabolites, that would be clinically useful in early diagnosis of OA or distinguishing OA from a healthy control. However, many common metabolic pathways were identified in the studies, including TCA cycle, fatty acid metabolism, amino acid metabolism (notably BCAA metabolism and tryptophan metabolism via kynurenine pathway), nucleotide metabolism, urea cycle, cartilage matrix components, and phospholipid metabolism. Future research is needed to define effective clinical biomarkers of osteoarthritis from metabolomic and other data.
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Affiliation(s)
| | - Jaedyn T Birchmier
- Department of Mechanical & Industrial Engineering, Montana State University, United States
| | - Ronald K June
- Department of Mechanical & Industrial Engineering, Montana State University, United States; Department of Microbiology & Cell Biology, Montana State University, United States; Department of Orthopaedics and Sports Medicine, University of Washington, United States.
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