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Inokuchi JI, Go S, Suzuki A, Nakagawasai O, Odaira-Satoh T, Veillon L, Nitta T, McJarrow P, Kanoh H, Inamori KI, Tan-No K, Collett M. Dietary gangliosides rescue GM3 synthase deficiency outcomes in mice accompanied by neurogenesis in the hippocampus. Front Neurosci 2024; 18:1387221. [PMID: 39119456 PMCID: PMC11308210 DOI: 10.3389/fnins.2024.1387221] [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: 02/17/2024] [Accepted: 07/10/2024] [Indexed: 08/10/2024] Open
Abstract
Ganglioside GM3 synthase is a key enzyme involved in the biosynthesis of gangliosides. GM3 synthase deficiency (GM3SD) causes an absence of GM3 and all downstream biosynthetic derivatives, including all the a-, b-, c-series gangliosides, commonly found in neural tissues. The affected individuals manifest with severe irritability, intractable seizures, hearing loss, blindness, and profound intellectual disability. It has been reported that oral ganglioside supplementation has achieved some significant improvements in clinical symptoms, growth parameters, and developmental and cognitive scores in GM3SD patients. To gain insight into the molecular mechanisms of this supplementation, we performed supplementation of oral bovine milk gangliosides to GM3 synthase-deficient mice from early weaning periods. The oral milk ganglioside preparations were dominated by GM3 and GD3 gangliosides. Oral milk ganglioside supplementation improved the decreased cognitive function observed in GM3 synthase-deficient mice. The improvement in cognitive function was accompanied by increased ganglioside levels and neurogenesis in the hippocampus in the supplemented animals.
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Affiliation(s)
- Jin-ichi Inokuchi
- Division of Glycopathology, Institute of Molecular Biomembranes and Glycobiology, Tohoku Medical and Pharmaceutical University, Sendai, Japan
- Forefront Research Centre, Graduate School of Science, Osaka University, Toyonaka, Japan
| | - Shinji Go
- Division of Glycopathology, Institute of Molecular Biomembranes and Glycobiology, Tohoku Medical and Pharmaceutical University, Sendai, Japan
| | - Akemi Suzuki
- Division of Glycopathology, Institute of Molecular Biomembranes and Glycobiology, Tohoku Medical and Pharmaceutical University, Sendai, Japan
| | - Osamu Nakagawasai
- Division of Pharmacology, Faculty of Pharmaceutical Sciences, Tohoku Medical and Pharmaceutical University, Sendai, Japan
| | - Takayo Odaira-Satoh
- Division of Pharmacology, Faculty of Pharmaceutical Sciences, Tohoku Medical and Pharmaceutical University, Sendai, Japan
| | - Lucas Veillon
- Division of Glycopathology, Institute of Molecular Biomembranes and Glycobiology, Tohoku Medical and Pharmaceutical University, Sendai, Japan
| | - Takahiro Nitta
- Division of Glycopathology, Institute of Molecular Biomembranes and Glycobiology, Tohoku Medical and Pharmaceutical University, Sendai, Japan
| | - Paul McJarrow
- Fonterra Research and Development Centre, Palmerston North, New Zealand
| | - Hirotaka Kanoh
- Division of Glycopathology, Institute of Molecular Biomembranes and Glycobiology, Tohoku Medical and Pharmaceutical University, Sendai, Japan
| | - Kei-ichiro Inamori
- Division of Glycopathology, Institute of Molecular Biomembranes and Glycobiology, Tohoku Medical and Pharmaceutical University, Sendai, Japan
| | - Koichi Tan-No
- Division of Pharmacology, Faculty of Pharmaceutical Sciences, Tohoku Medical and Pharmaceutical University, Sendai, Japan
| | - Michael Collett
- Fonterra Research and Development Centre, Palmerston North, New Zealand
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2
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Wanapat M, Dagaew G, Sommai S, Matra M, Suriyapha C, Prachumchai R, Muslykhah U, Phupaboon S. The application of omics technologies for understanding tropical plants-based bioactive compounds in ruminants: a review. J Anim Sci Biotechnol 2024; 15:58. [PMID: 38689368 PMCID: PMC11062008 DOI: 10.1186/s40104-024-01017-4] [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: 11/11/2023] [Accepted: 02/29/2024] [Indexed: 05/02/2024] Open
Abstract
Finding out how diet impacts health and metabolism while concentrating on the functional qualities and bioactive components of food is the crucial scientific objective of nutritional research. The complex relationship between metabolism and nutrition could be investigated with cutting-edge "omics" and bioinformatics techniques. This review paper provides an overview of the use of omics technologies in nutritional research, with a particular emphasis on the new applications of transcriptomics, proteomics, metabolomics, and genomes in functional and biological activity research on ruminant livestock and products in the tropical regions. A wealth of knowledge has been uncovered regarding the regulation and use of numerous physiological and pathological processes by gene, mRNA, protein, and metabolite expressions under various physiological situations and guidelines. In particular, the components of meat and milk were assessed using omics research utilizing the various methods of transcriptomics, proteomics, metabolomics, and genomes. The goal of this review is to use omics technologies-which have been steadily gaining popularity as technological tools-to develop new nutritional, genetic, and leadership strategies to improve animal products and their quality control. We also present an overview of the new applications of omics technologies in cattle production and employ nutriomics and foodomics technologies to investigate the microbes in the rumen ecology. Thus, the application of state-of-the-art omics technology may aid in our understanding of how species and/or breeds adapt, and the sustainability of tropical animal production, in the long run, is becoming increasingly important as a means of mitigating the consequences of climate change.
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Affiliation(s)
- Metha Wanapat
- Tropical Feed Resources Research and Development Center (TROFREC), Department of Animal Science, Faculty of Agriculture, Khon Kaen University, Khon Kaen, 40002, Thailand
| | - Gamonmas Dagaew
- Tropical Feed Resources Research and Development Center (TROFREC), Department of Animal Science, Faculty of Agriculture, Khon Kaen University, Khon Kaen, 40002, Thailand
| | - Sukruthai Sommai
- Tropical Feed Resources Research and Development Center (TROFREC), Department of Animal Science, Faculty of Agriculture, Khon Kaen University, Khon Kaen, 40002, Thailand
| | - Maharach Matra
- Tropical Feed Resources Research and Development Center (TROFREC), Department of Animal Science, Faculty of Agriculture, Khon Kaen University, Khon Kaen, 40002, Thailand
| | - Chaichana Suriyapha
- Tropical Feed Resources Research and Development Center (TROFREC), Department of Animal Science, Faculty of Agriculture, Khon Kaen University, Khon Kaen, 40002, Thailand
| | - Rittikeard Prachumchai
- Department of Animal Science, Faculty of Agricultural Technology, University of Technology Thanyaburi, Rajamangala Pathum Thani, 12130, Thailand
| | - Uswatun Muslykhah
- Tropical Feed Resources Research and Development Center (TROFREC), Department of Animal Science, Faculty of Agriculture, Khon Kaen University, Khon Kaen, 40002, Thailand
| | - Srisan Phupaboon
- Tropical Feed Resources Research and Development Center (TROFREC), Department of Animal Science, Faculty of Agriculture, Khon Kaen University, Khon Kaen, 40002, Thailand.
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Nguyen TLL, Nguyen DV, Heo KS. Potential biological functions and future perspectives of sialylated milk oligosaccharides. Arch Pharm Res 2024; 47:325-340. [PMID: 38561494 DOI: 10.1007/s12272-024-01492-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2024] [Accepted: 03/23/2024] [Indexed: 04/04/2024]
Abstract
Sialyllactoses (SLs) primarily include sialylated human milk oligosaccharides (HMOs) and bovine milk oligosaccharides (BMOs). First, the safety assessment of 3'-sialyllactose (3'-SL) and 6'-sialyllactose (6'-SL) revealed low toxicity in various animal models and human participants. SLs constitute a unique milk component, highlighting the essential nutrients and bioactive components crucial for infant development, along with numerous associated health benefits for various diseases. This review explores the safety, biosynthesis, and potential biological effects of SLs, with a specific focus on their influence across various physiological systems, including the gastrointestinal system, immune disorders, rare genetic disorders (such as GNE myopathy), cancers, neurological disorders, cardiovascular diseases, diverse cancers, and viral infections, thus indicating their therapeutic potential.
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Affiliation(s)
| | - Dung Van Nguyen
- College of Pharmacy, Chungnam National University, Daejeon, South Korea
| | - Kyung-Sun Heo
- College of Pharmacy, Chungnam National University, Daejeon, South Korea.
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4
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Linehan K, Patangia DV, Ross RP, Stanton C. Production, Composition and Nutritional Properties of Organic Milk: A Critical Review. Foods 2024; 13:550. [PMID: 38397527 PMCID: PMC10887702 DOI: 10.3390/foods13040550] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2024] [Revised: 01/27/2024] [Accepted: 02/02/2024] [Indexed: 02/25/2024] Open
Abstract
Milk is one of the most valuable products in the food industry with most milk production throughout the world being carried out using conventional management, which includes intensive and traditional systems. The intensive use of fertilizers, antibiotics, pesticides and concerns regarding animal health and the environment have given increasing importance to organic dairy and dairy products in the last two decades. This review aims to compare the production, nutritional, and compositional properties of milk produced by conventional and organic dairy management systems. We also shed light on the health benefits of milk and the worldwide scenario of the organic dairy production system. Most reports suggest milk has beneficial health effects with very few, if any, adverse effects reported. Organic milk is reported to confer additional benefits due to its lower omega-6-omega-3 ratio, which is due to the difference in feeding practices, with organic cows predominantly pasture fed. Despite the testified animal, host, and environmental benefits, organic milk production is difficult in several regions due to the cost-intensive process and geographical conditions. Finally, we offer perspectives for a better future and highlight knowledge gaps in the organic dairy management system.
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Affiliation(s)
- Kevin Linehan
- Teagasc Food Research Centre, Moorepark, Fermoy, P61 C996 Cork, Ireland; (K.L.); (D.V.P.)
- APC Microbiome Ireland, University College Cork, T12 Y120 Cork, Ireland;
- School of Microbiology, University College Cork, T12 XF62 Cork, Ireland
| | - Dhrati V. Patangia
- Teagasc Food Research Centre, Moorepark, Fermoy, P61 C996 Cork, Ireland; (K.L.); (D.V.P.)
- APC Microbiome Ireland, University College Cork, T12 Y120 Cork, Ireland;
- School of Microbiology, University College Cork, T12 XF62 Cork, Ireland
| | - Reynolds Paul Ross
- APC Microbiome Ireland, University College Cork, T12 Y120 Cork, Ireland;
- School of Microbiology, University College Cork, T12 XF62 Cork, Ireland
| | - Catherine Stanton
- Teagasc Food Research Centre, Moorepark, Fermoy, P61 C996 Cork, Ireland; (K.L.); (D.V.P.)
- APC Microbiome Ireland, University College Cork, T12 Y120 Cork, Ireland;
- VistaMilk Research Centre, Teagasc Moorepark, Fermoy, P61 C996 Cork, Ireland
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Zhong P, Yang Y, Han T, Huang W, Liu Y, Gong G, Huang L, Lu Y, Wang Z. Comparative Analysis of Free and Glycoconjugates Oligosaccharide Content in Milk from Different Species. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:670-678. [PMID: 38135877 DOI: 10.1021/acs.jafc.3c06317] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/24/2023]
Abstract
Human milk is important for infant growth, and oligosaccharides are one of its main functional nutrients. To enable a systematic comparison of free oligosaccharide and glycoconjugate content in milk from different species, the phenol-sulfuric acid and resorcinol assays were combined to determine the content. Using real samples, the method revealed that human milk contained the highest amount of total, neutral (9.84 ± 0.31 g/L), and sialylated (3.21 ± 0.11 g/L) free oligosaccharides, followed by goat milk, with neutral (0.135 ± 0.015 g/L) and sialylated (0.192 ± 0.016 g/L) free oligosaccharides and at a distance by bovine and yak milk. The highest total glycoconjugate content was detected in yak milk (0.798 ± 0.011 g/L), followed by human, bovine, and goat milk. These findings suggest that goat milk is the best source of free oligosaccharides in infant formula and functional dairy products and yak milk is the best source of glycoconjugates.
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Affiliation(s)
- Peiyun Zhong
- Shaanxi Natural Carbohydrate Resource Engineering Research Center, College of Food Science and Technology, Northwest University, Xi'an 710069, China
| | - Yuerong Yang
- Shaanxi Natural Carbohydrate Resource Engineering Research Center, College of Food Science and Technology, Northwest University, Xi'an 710069, China
| | - Tianjiao Han
- Shaanxi Natural Carbohydrate Resource Engineering Research Center, College of Food Science and Technology, Northwest University, Xi'an 710069, China
| | - Wenqi Huang
- Shaanxi Natural Carbohydrate Resource Engineering Research Center, College of Food Science and Technology, Northwest University, Xi'an 710069, China
| | - Yuxia Liu
- Shaanxi Natural Carbohydrate Resource Engineering Research Center, College of Food Science and Technology, Northwest University, Xi'an 710069, China
| | - Guiping Gong
- Shaanxi Natural Carbohydrate Resource Engineering Research Center, College of Food Science and Technology, Northwest University, Xi'an 710069, China
| | - Linjuan Huang
- Shaanxi Natural Carbohydrate Resource Engineering Research Center, College of Food Science and Technology, Northwest University, Xi'an 710069, China
| | - Yu Lu
- Shaanxi Natural Carbohydrate Resource Engineering Research Center, College of Food Science and Technology, Northwest University, Xi'an 710069, China
| | - Zhongfu Wang
- Shaanxi Natural Carbohydrate Resource Engineering Research Center, College of Food Science and Technology, Northwest University, Xi'an 710069, China
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Urrutia-Baca VH, Chuck-Hernández C, Gutiérrez-Uribe J, Ramos-Parra PA, Licona-Cassani C. Development and validation of a versatile analytical method for absolute quantification of seven oligosaccharides in human, bovine, and goat milk. Heliyon 2023; 9:e22475. [PMID: 38028015 PMCID: PMC10679482 DOI: 10.1016/j.heliyon.2023.e22475] [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: 10/27/2023] [Accepted: 11/13/2023] [Indexed: 12/01/2023] Open
Abstract
Oligosaccharides are significant in mammalian milk, where they serve as prebiotics that promote the growth of beneficial gut bacteria in infants. Comprehensive research of milk oligosaccharides requires precise and validated analytical methods for compositional studies. To address this need, the focus of our study was to develop and validate an analytical method using UPLC-MS/MS to quantify seven specific oligosaccharides found in mammalian milk. The developed and optimized method has adequate linearity, accuracy, and precision parameters. The detection (LOD) and quantification (LOQ) limits for the seven compounds ranged from 0.0018 to 0.0030 μg/mL and 0.0054-0.0063 μg/mL, respectively. The sample preparation method yielded recovery rates above 90.5 %. Furthermore, no significant matrix effect was observed. The validated method was successfully applied to human, goat, and bovine milk samples, demonstrating its proficiency in identifying variances in the concentration of oligosaccharides across different mammals. This versatile method will allow future research about factors affecting oligosaccharide composition.
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Affiliation(s)
- Víctor H. Urrutia-Baca
- Tecnologico de Monterrey, Institute for Obesity Research, Ave. Eugenio Garza Sada 2501, Monterrey, N.L., 64849, Mexico
| | - Cristina Chuck-Hernández
- Tecnologico de Monterrey, Institute for Obesity Research, Ave. Eugenio Garza Sada 2501, Monterrey, N.L., 64849, Mexico
| | - Janet Gutiérrez-Uribe
- Tecnologico de Monterrey, Institute for Obesity Research, Ave. Eugenio Garza Sada 2501, Monterrey, N.L., 64849, Mexico
| | - Perla A. Ramos-Parra
- Tecnologico de Monterrey, Escuela de Ingeniería y Ciencias, Ave. Eugenio Garza Sada 2501, Monterrey, N.L., 64849, Mexico
| | - Cuauhtemoc Licona-Cassani
- Tecnologico de Monterrey, Institute for Obesity Research, Ave. Eugenio Garza Sada 2501, Monterrey, N.L., 64849, Mexico
- Tecnologico de Monterrey, Escuela de Ingeniería y Ciencias, Ave. Eugenio Garza Sada 2501, Monterrey, N.L., 64849, Mexico
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Zhang L, Lin Q, Zhang J, Shi Y, Pan L, Hou Y, Peng X, Li W, Wang J, Zhou P. Qualitative and Quantitative Changes of Oligosaccharides in Human and Animal Milk over Lactation. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:15553-15568. [PMID: 37815401 DOI: 10.1021/acs.jafc.3c03181] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/11/2023]
Abstract
The aim of this study was to investigate the changes in human and animal milk oligosaccharides over lactation. In total, 89, 97, 115, and 71 oligosaccharides were identified in human, bovine, goat, and camel milk. The number of common oligosaccharides between camel and human milk was the highest (16 and 17 in transitional and mature milk). With respect to the absolute concentration of eight oligosaccharides (2'-FL, 3-FL, α3'-GL, LNT, LNnT, 3'-SL, 6'-SL, and DSL), 2'-FL, 3'-FL, LNT, and LNnT were much higher in human than three animal species. 3'-SL had a similar concentration in bovine colostrum (322.2 μg/mL) and human colostrum (321.0 μg/mL), followed by goat colostrum (105.1 μg/mL); however, it had the highest concentration in camel mature milk (304.5 μg/mL). The ratio of 6'-SL and 3'-SL (1.77) in goat colostrum was similar to that in human colostrum (1.68), followed by bovine colostrum (0.13). In terms of changes of eight oligosaccharides over lactation, they all decreased with the increase of lactation in bovine and goat milk; however, α3'-GL, 2'-FL, and 3-FL increased in camel species, and LNT increased first and then decreased over lactation in human milk. This study provides a better understanding of the variation of milk oligosaccharides related to lactation and species.
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Affiliation(s)
- Lina Zhang
- State Key Laboratory of Food Science & Technology, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China
- School of Food Science & Technology, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China
| | - Qiaran Lin
- State Key Laboratory of Food Science & Technology, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China
| | - Jinyue Zhang
- State Key Laboratory of Food Science & Technology, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China
| | - Yue Shi
- State Key Laboratory of Food Science & Technology, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China
| | - Lina Pan
- Ausnutria Dairy (China) Company, Limited, Changsha, Hunan 410200, People's Republic of China
- National Center of Technology Innovation for Dairy, Hohhot, Inner Mongolia 010110, People's Republic of China
| | - Yanmei Hou
- Ausnutria Hyproca Nutrition Company, Limited, Changsha, Hunan 410011, People's Republic of China
| | - Xiaoyu Peng
- Ausnutria Dairy (China) Company, Limited, Changsha, Hunan 410200, People's Republic of China
| | - Wei Li
- Ausnutria Dairy (China) Company, Limited, Changsha, Hunan 410200, People's Republic of China
| | - Jiaqi Wang
- Ausnutria Dairy (China) Company, Limited, Changsha, Hunan 410200, People's Republic of China
| | - Peng Zhou
- State Key Laboratory of Food Science & Technology, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China
- School of Food Science & Technology, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China
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Wang H, Zhang M, Huo Y, Cui X, He R, Han B, Wang Z, Song Y, Lv X, Zhang J, Ge W. Comprehensive investigation of milk oligosaccharides in different mammalian species and the effect of breed and lactation period on sheep milk oligosaccharides. Food Res Int 2023; 172:113132. [PMID: 37689897 DOI: 10.1016/j.foodres.2023.113132] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Revised: 06/09/2023] [Accepted: 06/10/2023] [Indexed: 09/11/2023]
Abstract
Milk oligosaccharides (MOs) have unique health benefits for newborns, and MOs are important components in mammalian milk. The present study was conducted to provide a comprehensive analysis of MOs in important domestic animals, including goats, cows, camels and sheep. The comparison with human MOs was conducted simultaneously. Furthermore, analysis of the relative abundance of sheep MOs among different breeds (Hu sheep, East Friesen sheep, East Friesen-Hu crossbred sheep) and lactation periods (colostrum, mature milk) was performed. In general, 35, 24 19, 26, and 16 MOs were identified in human, goat, bovine, camel and sheep milk, respectively. The type of sheep MOs was not greatly influenced by the breeds and lactation period. Hu sheep colostrum had the highest abundance of MOs among six sheep milks, followed by East Friesen sheep colostrum, while East Friesen-Hu crossbred sheep mature milk had the lowest abundance of MOs. These findings provide evidence for the potential value of MOs from domestic animal milk for the commercial applications.
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Affiliation(s)
- Haiyan Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, China; Shaanxi Engineering Research Centre of Dairy Products Quality, Safety and Health, Yangling 712100, China
| | - Minghui Zhang
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, China; Shaanxi Engineering Research Centre of Dairy Products Quality, Safety and Health, Yangling 712100, China
| | - Yucui Huo
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, China; Shaanxi Engineering Research Centre of Dairy Products Quality, Safety and Health, Yangling 712100, China
| | - Xiuxiu Cui
- Xi'an Baiyue Goat Dairy Group Co., Ltd, Yanliang 710089, China
| | - Rui He
- Shaanxi Baiyue Youlishi Dairy Co., Ltd, Xi'an 710000, China
| | - Bei Han
- School of Public Health, Xi'an Jiaotong University Health Science Center, Xi'an 710000, China
| | - Zhongfu Wang
- The College of Life Sciences, Northwest University, Xi'an 710069, China
| | - Yuxuan Song
- College of Animal Science and Technology, Northwest A&F University, Yangling 712100, China
| | - Xin Lv
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, China; Shaanxi Engineering Research Centre of Dairy Products Quality, Safety and Health, Yangling 712100, China
| | - Jing Zhang
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, China; Shaanxi Engineering Research Centre of Dairy Products Quality, Safety and Health, Yangling 712100, China.
| | - Wupeng Ge
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, China; Shaanxi Engineering Research Centre of Dairy Products Quality, Safety and Health, Yangling 712100, China.
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Durham SD, Wei Z, Lemay DG, Lange MC, Barile D. Creation of a milk oligosaccharide database, MilkOligoDB, reveals common structural motifs and extensive diversity across mammals. Sci Rep 2023; 13:10345. [PMID: 37365203 DOI: 10.1038/s41598-023-36866-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Accepted: 06/13/2023] [Indexed: 06/28/2023] Open
Abstract
The carbohydrate fraction of most mammalian milks contains a variety of oligosaccharides that encompass a range of structures and monosaccharide compositions. Human milk oligosaccharides have received considerable attention due to their biological roles in neonatal gut microbiota, immunomodulation, and brain development. However, a major challenge in understanding the biology of milk oligosaccharides across other mammals is that reports span more than 5 decades of publications with varying data reporting methods. In the present study, publications on milk oligosaccharide profiles were identified and harmonized into a standardized format to create a comprehensive, machine-readable database of milk oligosaccharides across mammalian species. The resulting database, MilkOligoDB, includes 3193 entries for 783 unique oligosaccharide structures from the milk of 77 different species harvested from 113 publications. Cross-species and cross-publication comparisons of milk oligosaccharide profiles reveal common structural motifs within mammalian orders. Of the species studied, only chimpanzees, bonobos, and Asian elephants share the specific combination of fucosylation, sialylation, and core structures that are characteristic of human milk oligosaccharides. However, agriculturally important species do produce diverse oligosaccharides that may be valuable for human supplementation. Overall, MilkOligoDB facilitates cross-species and cross-publication comparisons of milk oligosaccharide profiles and the generation of new data-driven hypotheses for future research.
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Affiliation(s)
- Sierra D Durham
- Department of Food Science and Technology, University of California, Davis, One Shields Ave., Davis, CA, 95616, USA
| | - Zhe Wei
- Department of Food Science and Technology, University of California, Davis, One Shields Ave., Davis, CA, 95616, USA
| | - Danielle G Lemay
- Agricultural Research Service, U.S. Department of Agriculture, Western Human Nutrition Research Center, 430 West Health Sciences Dr., Davis, CA, 95616, USA
| | - Matthew C Lange
- International Center for Food Ontology Operability Data and Semantics, 216 F Street Ste. 139, Davis, CA, 95616, USA
| | - Daniela Barile
- Department of Food Science and Technology, University of California, Davis, One Shields Ave., Davis, CA, 95616, USA.
- Foods for Health Institute, University of California, Davis, One Shields Ave., Davis, CA, 95616, USA.
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10
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Perna VN, Meier S, Meyer AS. Enzymatic production of a suite of human milk oligosaccharides directly in milk. Enzyme Microb Technol 2023; 165:110196. [PMID: 36657310 DOI: 10.1016/j.enzmictec.2023.110196] [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: 12/07/2022] [Revised: 01/11/2023] [Accepted: 01/11/2023] [Indexed: 01/15/2023]
Abstract
Human milk oligosaccharides (HMOs) denote specific glycans in human breast milk. They function as prebiotics, immune modulating, and antimicrobial agents in the gut of breastfed infants, and certain HMOs even promote the cognitive development of the baby. HMOs are virtually absent in cow's milk and hence in infant formula, which provides a huge incentive for identifying ways in which HMOs can be produced to improve infant formulas. Here, we show that different sialylated and fucosylated HMOs can be generated in cow's milk via different simultaneous enzymatic transglycosylation reactions catalyzed by an engineered sialidase (EC 3.2.1.18, from Trypanosoma rangeli) and an 1,2-α-L-fucosidase (EC 3.2.1.63, from Tannerella forsinthia) acting on the lactose in the milk and on casein glycomacropeptide, two types of commercially available HMOs, i.e. 2'-fucosyllactose and lacto-N-neotetraose, added to the milk. We also outline the details of the individual reactions in aqueous systems, demonstrate that the enzymatic reactions can be accomplished at 5 °C, and validate the products formed by LC-MS and NMR analysis. Enzymatic production of HMOs directly in milk provides opportunities for enriching milk and infant formulas and extends the use of enzymatic transglycosylation reactions to synthesis of HMOs in milk and eventually in other beverages.
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Affiliation(s)
- Valentina N Perna
- Mille International Aps, Tuborg Boulevard 12, 3, 2900 Hellerup, Denmark; Section for Protein Chemistry and Enzyme Technology, Department of Biotechnology and Biomedicine, Technical University of Denmark, 2800 Kgs. Lyngby, Denmark
| | - Sebastian Meier
- Department of Chemistry, Technical University of Denmark, 2800 Kgs. Lyngby, Denmark
| | - Anne S Meyer
- Section for Protein Chemistry and Enzyme Technology, Department of Biotechnology and Biomedicine, Technical University of Denmark, 2800 Kgs. Lyngby, Denmark.
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11
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Linehan K, Ross RP, Stanton C. Bovine Colostrum for Veterinary and Human Health Applications: A Critical Review. Annu Rev Food Sci Technol 2023; 14:387-410. [PMID: 36972163 DOI: 10.1146/annurev-food-060721-014650] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/29/2023]
Abstract
Bovine colostrum harbors a diverse array of bioactive components suitable for the development of functional foods, nutraceuticals, and pharmaceuticals with veterinary and human health applications. Bovine colostrum has a strong safety profile with applications across all age groups for health promotion and the amelioration of a variety of disease states. Increased worldwide milk production and novel processing technologies have resulted in substantial growth of the market for colostrum-based products. This review provides a synopsis of the bioactive components in bovine colostrum, the processing techniques used to produce high-value colostrum-based products, and recent studies utilizing bovine colostrum for veterinary and human health.
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Affiliation(s)
- Kevin Linehan
- Teagasc Food Research Centre, Moorepark, Fermoy, County Cork, Ireland;
- APC Microbiome Ireland, Biosciences Institute, University College Cork, Cork, Ireland
- School of Microbiology, University College Cork, Cork, Ireland
| | - R Paul Ross
- APC Microbiome Ireland, Biosciences Institute, University College Cork, Cork, Ireland
- School of Microbiology, University College Cork, Cork, Ireland
| | - Catherine Stanton
- Teagasc Food Research Centre, Moorepark, Fermoy, County Cork, Ireland;
- APC Microbiome Ireland, Biosciences Institute, University College Cork, Cork, Ireland
- VistaMilk Research Centre, Teagasc Moorepark, County Cork, Ireland
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12
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Analysis of milk with liquid chromatography–mass spectrometry: a review. Eur Food Res Technol 2023. [DOI: 10.1007/s00217-022-04197-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/10/2023]
Abstract
AbstractAs a widely consumed foodstuff, milk and dairy products are increasingly studied over the years. At the present time, milk profiling is used as a benchmark to assess the properties of milk. Modern biomolecular mass spectrometers have become invaluable to fully characterize the milk composition. This review reports the analysis of milk and its components using liquid chromatography coupled with mass spectrometry (LC–MS). LC–MS analysis as a whole will be discussed subdivided into the major constituents of milk, namely, lipids, proteins, sugars and the mineral fraction.
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13
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Sanz Morales P, Wijeyesekera A, Robertson MD, Jackson PPJ, Gibson GR. The Potential Role of Human Milk Oligosaccharides in Irritable Bowel Syndrome. Microorganisms 2022; 10:microorganisms10122338. [PMID: 36557589 PMCID: PMC9781515 DOI: 10.3390/microorganisms10122338] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Revised: 11/22/2022] [Accepted: 11/24/2022] [Indexed: 11/29/2022] Open
Abstract
Irritable Bowel Syndrome (IBS) is the most common gastrointestinal (GI) disorder in Western populations and therefore a major public health/economic concern. However, despite extensive research, psychological and physiological factors that contribute to the aetiology of IBS remain poorly understood. Consequently, clinical management of IBS is reduced to symptom management through various suboptimal options. Recent evidence has suggested human milk oligosaccharides (HMOs) as a potential therapeutic option for IBS. Here, we review literature concerning the role of HMOs in IBS, including data from intervention and in vitro trials. HMO supplementation shows promising results in altering the gut microbiota and improving IBS symptoms, for instance by stimulating bifidobacteria. Further research in adults is required into HMO mechanisms, to confirm the preliminary results available to date and recommendations of HMO use in IBS.
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Affiliation(s)
- Patricia Sanz Morales
- Department of Food and Nutritional Sciences, University of Reading, Whiteknights, Reading RG6 6AH, UK
- Correspondence: ; Tel.: +44-7843865554
| | - Anisha Wijeyesekera
- Department of Food and Nutritional Sciences, University of Reading, Whiteknights, Reading RG6 6AH, UK
| | - Margaret Denise Robertson
- Department of Nutritional Sciences, Faculty of Health & Medical Sciences, University of Surrey, Guildford GU2 7XH, UK
| | - Peter P. J. Jackson
- Department of Food and Nutritional Sciences, University of Reading, Whiteknights, Reading RG6 6AH, UK
| | - Glenn R. Gibson
- Department of Food and Nutritional Sciences, University of Reading, Whiteknights, Reading RG6 6AH, UK
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14
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Althnaibat RM, Koch M, Bruce HL, Wefers D, Gänzle MG. Glycomacropeptide from camel milk inhibits the adhesion of enterotoxigenic Escherichia coli K88 to porcine cells. Int Dairy J 2022. [DOI: 10.1016/j.idairyj.2022.105448] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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15
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Yang B, Zhang M, Qiao W, Zhao J, Chen J, Yang K, Hu J, Hou J, Chen L. Cascaded membrane and chromatography technologies for fractionating and purifying of bovine milk oligosaccharides. Food Hydrocoll 2022. [DOI: 10.1016/j.foodhyd.2022.107697] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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16
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Exploring the Potential of Human Milk and Formula Milk on Infants’ Gut and Health. Nutrients 2022; 14:nu14173554. [PMID: 36079814 PMCID: PMC9460722 DOI: 10.3390/nu14173554] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Revised: 08/25/2022] [Accepted: 08/26/2022] [Indexed: 11/21/2022] Open
Abstract
Early-life gut microbiota plays a role in determining the health and risk of developing diseases in later life. Various perinatal factors have been shown to contribute to the development and establishment of infant gut microbiota. One of the important factors influencing the infant gut microbial colonization and composition is the mode of infant feeding. While infant formula milk has been designed to resemble human milk as much as possible, the gut microbiome of infants who receive formula milk differs from that of infants who are fed human milk. A diverse microbial population in human milk and the microbes seed the infant gut microbiome. Human milk contains nutritional components that promote infant growth and bioactive components, such as human milk oligosaccharides, lactoferrin, and immunoglobulins, which contribute to immunological development. In an attempt to encourage the formation of a healthy gut microbiome comparable to that of a breastfed infant, manufacturers often supplement infant formula with prebiotics or probiotics, which are known to have a bifidogenic effect and can modulate the immune system. This review aims to elucidate the roles of human milk and formula milk on infants’ gut and health.
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17
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Rastall RA, Diez-Municio M, Forssten SD, Hamaker B, Meynier A, Moreno FJ, Respondek F, Stah B, Venema K, Wiese M. Structure and function of non-digestible carbohydrates in the gut microbiome. Benef Microbes 2022; 13:95-168. [PMID: 35729770 DOI: 10.3920/bm2021.0090] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Together with proteins and fats, carbohydrates are one of the macronutrients in the human diet. Digestible carbohydrates, such as starch, starch-based products, sucrose, lactose, glucose and some sugar alcohols and unusual (and fairly rare) α-linked glucans, directly provide us with energy while other carbohydrates including high molecular weight polysaccharides, mainly from plant cell walls, provide us with dietary fibre. Carbohydrates which are efficiently digested in the small intestine are not available in appreciable quantities to act as substrates for gut bacteria. Some oligo- and polysaccharides, many of which are also dietary fibres, are resistant to digestion in the small intestines and enter the colon where they provide substrates for the complex bacterial ecosystem that resides there. This review will focus on these non-digestible carbohydrates (NDC) and examine their impact on the gut microbiota and their physiological impact. Of particular focus will be the potential of non-digestible carbohydrates to act as prebiotics, but the review will also evaluate direct effects of NDC on human cells and systems.
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Affiliation(s)
- R A Rastall
- Department of Food and Nutritional Sciences, The University of Reading, P.O. Box 226, Whiteknights, Reading, RG6 6AP, United Kingdom
| | - M Diez-Municio
- Instituto de Investigación en Ciencias de la Alimentación, CIAL (CSIC-UAM), CEI (UAM+CSIC), Nicolás Cabrera 9, 28049 Madrid, Spain
| | - S D Forssten
- IFF Health & Biosciences, Sokeritehtaantie 20, 02460 Kantvik, Finland
| | - B Hamaker
- Whistler Center for Carbohydrate Research, Department of Food Science, Purdue University, 745 Agriculture Mall Drive, West Lafayette, IN 47907-2009, USA
| | - A Meynier
- Nutrition Research, Mondelez France R&D SAS, 6 rue René Razel, 91400 Saclay, France
| | - F Javier Moreno
- Instituto de Investigación en Ciencias de la Alimentación, CIAL (CSIC-UAM), CEI (UAM+CSIC), Nicolás Cabrera 9, 28049 Madrid, Spain
| | - F Respondek
- Tereos, Zoning Industriel Portuaire, 67390 Marckolsheim, France
| | - B Stah
- Human Milk Research & Analytical Science, Danone Nutricia Research, Uppsalalaan 12, 3584 CT Utrecht, the Netherlands.,Department of Chemical Biology & Drug Discovery, Utrecht Institute for Pharmaceutical Sciences, Faculty of Science, Utrecht University, Universiteitsweg 99, 3584 CG Utrecht, the Netherlands
| | - K Venema
- Centre for Healthy Eating & Food Innovation (HEFI), Maastricht University - campus Venlo, St. Jansweg 20, 5928 RC Venlo, the Netherlands
| | - M Wiese
- Department of Microbiology and Systems Biology, TNO, Utrechtseweg 48, 3704 HE, Zeist, the Netherlands
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18
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Durham SD, Lemay DG, Wei Z, Kalscheur KF, Finley JW, Fukagawa NK, Barile D. Dietary Fiber to Starch Ratio Affects Bovine Milk Oligosaccharide Profiles. Curr Dev Nutr 2022; 6:nzac033. [PMID: 35711571 PMCID: PMC9197575 DOI: 10.1093/cdn/nzac033] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 02/18/2022] [Accepted: 02/24/2022] [Indexed: 11/30/2022] Open
Abstract
Background Bovine milk oligosaccharides (BMOs) have several demonstrated and hypothesized benefits including roles in cognitive development and antipathogenic activities, making them promising ingredients for infant formulas and nutraceutical applications. BMO extraction from bovine milk is challenged by low concentrations relative to nonbioactive simple sugars like lactose. BMO abundances are known to vary with a cow's lactation stage, breed, and parity, but these characteristics are difficult to modify in existing dairy herds. In contrast, diet modification is an accessible target, and is already known to influence milk yield, lipid content, protein levels, and monosaccharide compositions. Objectives To determine the impact of a low starch high fiber versus a high starch low fiber diet on overall BMO profiles and individual BMO abundances in Holstein dairy cattle. Methods Milk samples were collected from 59 midlactation Holsteins in a crossover study featuring dietary modification with either a low starch high fiber or high starch low fiber feed. BMO profiles were evaluated by nano-LC quadrupole time-of-flight tandem MS, and differences in BMO abundances between diets were evaluated using linear mixed effects modeling. Results A total of 19 BMOs were identified across the sample set, including 4 large fucosylated compounds. Seven BMOs were found to have significantly more positive percent changes in yield-adjusted abundance from the pre-experiment baseline period for milk samples collected during feeding with the low starch high fiber diet compared with the high starch low fiber diet. Conclusions Consuming the low starch high fiber diet promoted greater overall BMO production than the high starch low fiber diet in a population of midlactation Holsteins. Additionally, this study afforded the opportunity to investigate the impact of other factors potentially influencing BMO abundances, furthering understanding of how dairy herd management practices can positively impact milk composition and support the potential use of BMOs as functional ingredients.
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Affiliation(s)
- Sierra D Durham
- Department of Food Science and Technology, University of California, Davis, CA, USA
| | - Danielle G Lemay
- Agricultural Research Service, USDA, Western Human Nutrition Research Center, Davis, CA, USA
| | - Zhe Wei
- Department of Food Science and Technology, University of California, Davis, CA, USA
| | - Kenneth F Kalscheur
- Agricultural Research Service, USDA, US Dairy Forage Research Center, Madison, WI, USA
| | - John W Finley
- Agricultural Research Service, USDA, Office of National Programs, Beltsville, MD, USA
| | - Naomi K Fukagawa
- Agricultural Research Service, USDA, Beltsville Human Nutrition Research Center, Beltsville, MD, USA
| | - Daniela Barile
- Department of Food Science and Technology, University of California, Davis, CA, USA
- Foods for Health Institute, University of California, Davis, CA, USA
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19
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Jackson PPJ, Wijeyesekera A, Theis S, van Harsselaar J, Rastall RA. Food for thought! Inulin-type fructans: Does the food matrix matter? J Funct Foods 2022. [DOI: 10.1016/j.jff.2022.104987] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
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20
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Abstract
Sialyloligosaccharides (SOS) are bioactive molecules that play an important role in brain development and the increase in immunity in infants. In adults, they act as prebiotics, enhancing protection against microbial pathogens. In the present work, we aimed to analyze the levels of SOS in mature milk, at days 60 and 120 after calving in four cow breeds: Holstein (HO), Simmental × Holstein (SM × HO), Simmental (SM), all fed with total mixed ration (TMR) in intensive production, and Podolica (POD) raised on pasture in an extensive system. The concentrations of SOS (3′-sialyllactose = 3′-SL, 6′-sialyllactose = 6′-SL, 6′-Sialyl-N-acetyllactosamine = 6′-SLN, disialyllactose = DSL, expressed in mg/L) were determined using HPAEC-PAD, a high-performance anion-exchange chromatography with pulsed amperometric detection. Results showed both breed and lactation effects. The contents of 3′-SL, 6′-SL, 6′-SLN, and DSL were higher at 60 than 120 days (p < 0.001), as well as in POD, as compared to the other breeds (p < 0.001). Furthermore, SM showed a significantly greater level of 3′-SL than HO (p < 0.001), as well as a significantly higher level of 6′-SLN in SM than HO (p < 0.001) and SM × HO (p < 0.001). Our findings may have implications for several areas of sustainability that might be used in the cattle management system.
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21
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Lueschow SR, Boly TJ, Frese SA, Casaburi G, Mitchell RD, Henrick BM, McElroy SJ. Bifidobacterium longum Subspecies infantis Strain EVC001 Decreases Neonatal Murine Necrotizing Enterocolitis. Nutrients 2022; 14:495. [PMID: 35276854 PMCID: PMC8839161 DOI: 10.3390/nu14030495] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2021] [Revised: 01/16/2022] [Accepted: 01/18/2022] [Indexed: 01/04/2023] Open
Abstract
Necrotizing enterocolitis (NEC) is a disease mainly of preterm infants with a 30-50% mortality rate and long-term morbidities for survivors. Treatment strategies are limited and have not improved in decades, prompting research into prevention strategies, particularly with probiotics. Recent work with the probiotic B. infantis EVC001 suggests that this organism may generate a more appropriate microbiome for preterm infants who generally have inappropriate gut colonization and inflammation, both risk factors for NEC. Experimental NEC involving Paneth cell disruption in combination with bacterial dysbiosis or formula feeding was induced in P14-16 C57Bl/6 mice with or without gavaged B. infantis. Following completion of the model, serum, small intestinal tissue, the cecum, and colon were harvested to examine inflammatory cytokines, injury, and the microbiome, respectively. EVC001 treatment significantly decreased NEC in a bacterial dysbiosis dependent model, but this decrease was model-dependent. In the NEC model dependent on formula feeding, no difference in injury was observed, but trending to significant differences was observed in serum cytokines. EVC001 also improved wound closure at six and twelve hours compared to the sham control in intestinal epithelial monolayers. These findings suggest that B. infantis EVC001 can prevent experimental NEC through anti-inflammatory and epithelial barrier restoration properties.
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Affiliation(s)
- Shiloh R. Lueschow
- Department of Microbiology and Immunology, University of Iowa, Iowa City, IA 52242, USA;
| | - Timothy J. Boly
- Department of Pediatrics, University of Iowa, Iowa City, IA 52242, USA;
| | - Steven A. Frese
- Department of Nutrition, University of Nevada, Reno, NV 89557, USA;
| | - Giorgio Casaburi
- Department of Bioinformatics, Metabiomics, Carlsbad, CA 92008, USA;
| | - Ryan D. Mitchell
- Evolve Biosystems, Inc., Davis, CA 95618, USA; (R.D.M.); (B.M.H.)
| | - Bethany M. Henrick
- Evolve Biosystems, Inc., Davis, CA 95618, USA; (R.D.M.); (B.M.H.)
- Department of Food Science and Technology, University of Nebraska, Lincoln, NE 68588, USA
| | - Steven J. McElroy
- Department of Pediatrics, University of California Davis, Sacramento, CA 95817, USA
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22
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Abstract
Food carbohydrates are macronutrients that are found in fruits, grains, vegetables, and milk products. These organic compounds are present in foods in the form of sugars, starches, and fibers and are composed of carbon, hydrogen, and oxygen. These wide ranging macromolecules can be classified according to their chemical structure into three major groups: low molecular weight mono- and disaccharides, intermediate molecular weight oligosaccharides, and high molecular weight polysaccharides. Notably, the digestibility of specific carbohydrate components differ and nondigestible carbohydrates can reach the large intestine intact where they act as food sources for beneficial bacteria. In this review, we give an overview of advances made in food carbohydrate analysis. Overall, this review indicates the importance of carbohydrate analytical techniques in the quest to identify and isolate health-promoting carbohydrates to be used as additives in the functional foods industry.
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Affiliation(s)
- Leonie J Kiely
- Teagasc Food Research Centre, Moorepark, Fermoy, Co. Cork, Ireland
| | - Rita M Hickey
- Teagasc Food Research Centre, Moorepark, Fermoy, Co. Cork, Ireland.
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23
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Shi Y, Han B, Zhang L, Zhou P. Comprehensive Identification and Absolute Quantification of Milk Oligosaccharides in Different Species. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:15585-15597. [PMID: 34928137 DOI: 10.1021/acs.jafc.1c05872] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Human and animal milk contains a rich variety of oligosaccharides (OSs), which are of great interest due to a similar biological efficacy. In this study, the OSs were identified and the concentrations of eight specific OSs in human and four animal milk (cow, goat, sheep, and camel) were analyzed. In general, 30, 42, 32, 34, and 35 OSs were identified in bovine, caprine, ovine, camel, and human milk, respectively. Camel milk was the most similar in type to human milk than other four animal milk. The concentration of eight OSs in human milk was approximately six times higher than that in camel milk, 20 times higher than that in bovine and caprine milk, and 75 times higher than that in ovine milk. Collectively, these findings revealed the characteristics and concentrations of OSs in the milk of different species, providing insights into the potential application of OSs in medical and functional foods.
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Affiliation(s)
- Yue Shi
- State Key Lab of Food Science and Technology, Jiangnan University, 1800 Lihu Avenue, Wuxi 214122, China
| | - Binsong Han
- State Key Lab of Food Science and Technology, Jiangnan University, 1800 Lihu Avenue, Wuxi 214122, China
| | - Lina Zhang
- State Key Lab of Food Science and Technology, Jiangnan University, 1800 Lihu Avenue, Wuxi 214122, China
| | - Peng Zhou
- State Key Lab of Food Science and Technology, Jiangnan University, 1800 Lihu Avenue, Wuxi 214122, China
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Lang Y, Zhang Y, Wang C, Huang L, Liu X, Song N, Li G, Yu G. Comparison of Different Labeling Techniques for the LC-MS Profiling of Human Milk Oligosaccharides. Front Chem 2021; 9:691299. [PMID: 34589467 PMCID: PMC8473617 DOI: 10.3389/fchem.2021.691299] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2021] [Accepted: 08/16/2021] [Indexed: 11/22/2022] Open
Abstract
Human milk oligosaccharides (HMOs) exhibit various biological activities for infants, such as serving as prebiotics, blocking pathogens, and aiding in brain development. HMOs are a complex mixture of hetero-oligosaccharides that are generally highly branched, containing multiple structural isomers and no intrinsic chromophores, presenting a challenge to both their resolution and quantitative detection. While liquid chromatography-mass spectrometry (LC-MS) has become the primary strategy for analysis of various compounds, the very polar and chromophore-free properties of native glycans hinder their separation in LC and ionization in MS. Various labeling approaches have been developed to achieve separation of glycans with higher resolution and greater sensitivity of detection. Here, we compared five commonly used labeling techniques [by 2-aminobenzamide, 2-aminopyridine, 2-aminobenzoic acid (2-AA), 2,6-diaminopyridine, and 1-phenyl-3-methyl-5-pyrazolone] for analyzing HMOs specifically under hydrophilic-interaction chromatography-mass spectrometry (HILIC-MS) conditions. The 2-AA labeling showed the most consistent deprotonated molecular ions, the enhanced sensitivity with the least structural selectivity, and the sequencing-informative tandem MS fragmentation spectra for the widest range of HMOs; therefore, this labeling technique was selected for further optimization under the porous graphitized carbon chromatography-mass spectrometry (PGC-MS) conditions. The combination strategy of 2-AA labeling and PGC-MS techniques provided online decontamination (removal of excess 2-AA, salts, and lactose) and resolute detection of many HMOs, enabling us to characterize the profiles of complicated HMO mixtures comprehensively in a simple protocol.
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Affiliation(s)
- Yinzhi Lang
- Key Laboratory of Marine Drugs, Ministry of Education, Shandong Provincial Key Laboratory of Glycoscience and Glycotechnology, School of Medicine and Pharmacy, Ocean University of China, Qingdao, China
| | - Yongzhen Zhang
- Key Laboratory of Marine Drugs, Ministry of Education, Shandong Provincial Key Laboratory of Glycoscience and Glycotechnology, School of Medicine and Pharmacy, Ocean University of China, Qingdao, China
| | - Chen Wang
- Key Laboratory of Marine Drugs, Ministry of Education, Shandong Provincial Key Laboratory of Glycoscience and Glycotechnology, School of Medicine and Pharmacy, Ocean University of China, Qingdao, China
| | - Limei Huang
- Key Laboratory of Marine Drugs, Ministry of Education, Shandong Provincial Key Laboratory of Glycoscience and Glycotechnology, School of Medicine and Pharmacy, Ocean University of China, Qingdao, China
| | - Xiaoxiao Liu
- Key Laboratory of Marine Drugs, Ministry of Education, Shandong Provincial Key Laboratory of Glycoscience and Glycotechnology, School of Medicine and Pharmacy, Ocean University of China, Qingdao, China
| | - Ni Song
- Key Laboratory of Marine Drugs, Ministry of Education, Shandong Provincial Key Laboratory of Glycoscience and Glycotechnology, School of Medicine and Pharmacy, Ocean University of China, Qingdao, China
| | - Guoyun Li
- Key Laboratory of Marine Drugs, Ministry of Education, Shandong Provincial Key Laboratory of Glycoscience and Glycotechnology, School of Medicine and Pharmacy, Ocean University of China, Qingdao, China.,Laboratory for Marine Drugs and Bioproducts, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China
| | - Guangli Yu
- Key Laboratory of Marine Drugs, Ministry of Education, Shandong Provincial Key Laboratory of Glycoscience and Glycotechnology, School of Medicine and Pharmacy, Ocean University of China, Qingdao, China.,Laboratory for Marine Drugs and Bioproducts, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China
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25
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Bunyatratchata A, Weinborn V, Barile D. Bioactive oligosaccharides in colostrum and other liquid feeds for calf's early life nutrition: A qualitative and quantitative investigation. Int Dairy J 2021. [DOI: 10.1016/j.idairyj.2021.105100] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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26
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Hill DR, Chow JM, Buck RH. Multifunctional Benefits of Prevalent HMOs: Implications for Infant Health. Nutrients 2021; 13:3364. [PMID: 34684364 PMCID: PMC8539508 DOI: 10.3390/nu13103364] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Revised: 09/20/2021] [Accepted: 09/22/2021] [Indexed: 12/13/2022] Open
Abstract
Breastfeeding is the best source of nutrition during infancy and is associated with a broad range of health benefits. However, there remains a significant and persistent need for innovations in infant formula that will allow infants to access a wider spectrum of benefits available to breastfed infants. The addition of human milk oligosaccharides (HMOs) to infant formulas represents the most significant innovation in infant nutrition in recent years. Although not a direct source of calories in milk, HMOs serve as potent prebiotics, versatile anti-infective agents, and key support for neurocognitive development. Continuing improvements in food science will facilitate production of a wide range of HMO structures in the years to come. In this review, we evaluate the relationship between HMO structure and functional benefits. We propose that infant formula fortification strategies should aim to recapitulate a broad range of benefits to support digestive health, immunity, and cognitive development associated with HMOs in breastmilk. We conclude that acetylated, fucosylated, and sialylated HMOs likely confer important health benefits through multiple complementary mechanisms of action.
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Affiliation(s)
| | | | - Rachael H. Buck
- Abbott Nutrition, 3300 Stelzer Road, Columbus, OH 43219, USA; (D.R.H.); (J.M.C.)
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27
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Evolution of milk oligosaccharides: Origin and selectivity of the ratio of milk oligosaccharides to lactose among mammals. Biochim Biophys Acta Gen Subj 2021; 1866:130012. [PMID: 34536507 DOI: 10.1016/j.bbagen.2021.130012] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Revised: 09/08/2021] [Accepted: 09/10/2021] [Indexed: 12/11/2022]
Abstract
BACKGROUND The carbohydrate fraction of mammalian milk is constituted of lactose and oligosaccharides, most of which contain a lactose unit at their reducing ends. Although lactose is the predominant saccharide in the milk of most eutherians, oligosaccharides significantly predominate over lactose in the milk of monotremes and marsupials. SCOPE OF REVIEW This review describes the most likely process by which lactose and milk oligosaccharides were acquired during the evolution of mammals and the mechanisms by which these saccharides are digested and absorbed by the suckling neonates. MAJOR CONCLUSIONS During the evolution of mammals, c-type lysozyme evolved to α-lactalbumin. This permitted the biosynthesis of lactose by modulating the substrate specificity of β4galactosyltransferase 1, thus enabling the concomitant biosynthesis of milk oligosaccharides through the activities of several glycosyltransferases using lactose as an acceptor. In most eutherian mammals the digestion of lactose to glucose and galactose is achieved through the action of intestinal lactase (β-galactosidase), which is located within the small intestinal brush border. This enzyme, however, is absent in neonatal monotremes and macropod marsupials. It has therefore been proposed that in these species the absorption of milk oligosaccharides is achieved by pinocytosis or endocytosis, after which digestion occurs through the actions of several lysosomal acid glycosidases. This process would enable the milk oligosaccharides of monotremes and marsupials to be utilized as a significant energy source for the suckling neonates. GENERAL SIGNIFICANCE The evolution and significance of milk oligosaccharides is discussed in relation to the evolution of mammals.
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Verkhnyatskaya SA, Kong C, Klostermann CE, Schols HA, de Vos P, Walvoort MTC. Digestion, fermentation, and pathogen anti-adhesive properties of the hMO-mimic di-fucosyl-β-cyclodextrin. Food Funct 2021; 12:5018-5026. [PMID: 33954318 PMCID: PMC8185958 DOI: 10.1039/d1fo00830g] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2021] [Accepted: 04/23/2021] [Indexed: 12/28/2022]
Abstract
Human milk is widely acknowledged as the best food for infants, and that is not just because of nutritional features. Human milk also contains a plethora of bioactive molecules, including a large set of human milk oligosaccharides (hMOs). Especially fucosylated hMOs have received attention for their anti-adhesive effects on pathogens, preventing attachment to the intestine and infection. Because hMOs are generally challenging to produce in sufficient quantities to study and ultimately apply in (medical) infant formula, novel compounds that are inspired by hMO structures (so-called "mimics") are interesting compounds to produce and evaluate for their biological effects. Here we present our thorough study into the digestion, fermentation and anti-adhesive capacity of the novel compound di-fucosyl-β-cyclodextrin (DFβCD), which was inspired by the molecular structures of hMOs. We establish that DFβCD is not digested by α-amylase and also resistant to fermentation by microbial enzymes from a 9 month-old infant inoculum. In addition, we reveal that DFβCD blocks adhesion of enterotoxigenic E. coli (ETEC) to Caco-2 cells, especially when DFβCD is pre-incubated with ETEC prior to addition to the Caco-2 cells. This suggests that DFβCD functions through a decoy effect. We expect that our results inspire the generation and biological evaluation of other fucosylated hMOs and mimics, to obtain a comprehensive overview of the anti-adhesive power of fucosylated glycans.
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Affiliation(s)
| | - Chunli Kong
- Department of Pathology and Medical Biology, University Medical Center Groningen, Groningen, the Netherlands
| | - Cynthia E Klostermann
- Biobased Chemistry and Technology, Wageningen University & Research, Wageningen, the Netherlands
| | - Henk A Schols
- Laboratory of Food Chemistry, Wageningen University & Research, Wageningen, the Netherlands
| | - Paul de Vos
- Department of Pathology and Medical Biology, University Medical Center Groningen, Groningen, the Netherlands
| | - Marthe T C Walvoort
- Stratingh Institute for Chemistry, University of Groningen, Groningen, the Netherlands.
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29
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Perna VN, Dehlholm C, Meyer AS. Enzymatic production of 3'-sialyllactose in milk. Enzyme Microb Technol 2021; 148:109829. [PMID: 34116750 DOI: 10.1016/j.enzmictec.2021.109829] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2021] [Revised: 05/09/2021] [Accepted: 05/10/2021] [Indexed: 01/28/2023]
Abstract
Human milk oligosaccharides (HMOs) are lactose-based glycan molecules present in human breast milk. HMOs are essentially not present in cow's milk and hence not naturally available in infant formulas. HMOs possess several health and developmentally beneficial properties, and the sialylated HMOs are thought to play a particularly important role for infant brain development. Enzymatic transsialylation directly in cow's milk, involving enzyme catalyzed transfer of sialic acid from a sialic acid donor to an acceptor, is a novel route for producing sialylated HMOs for e.g. infant formulas. The transsialidase (EC 2.4.1.-) of Trypanosoma cruzi is linked to trypanosomatid pathogenicity, but certain hydrolytic sialidases (neuraminidases), EC 3.2.1.18, from non-pathogenic organisms, can actually catalyze transsialylation. Here, we report enzymatic production of the HMO compound 3'-sialyllactose directly in cow's milk using engineeredsialidases, Tr15 and Tr16, originating from the nonpathogenic Trypanosoma rangeli. Both Tr15 and Tr16 readily catalyzed transsialylation in milk at 5 °C-40 °C using κ(kappa)-casein glycomacropeptide (cGMP) as sialyl donor substrate. Tr15 was the most efficient as this enzyme produced 1160 mg/L (1.8 mM) 3'-sialyllactose in whole milk during 10 min of reaction at 5 °C. The activation energy values, Ea, of the enzymatic transsialylation reactions were similar in milk and in buffer solutions containing cGMP and lactose. The Ea of the Tr15 catalyzed transialylation reaction in milk was 16.5 kJ/mol, which was three times lower than the Ea of Tr16 (66 kJ/mol) and of T. cruzi transsialidase (50 kJ/mol), corroborating that Tr15 was the fastest of the three enzymes and a promising candidate for potential industrial production of 3'-sialyllactose in milk. 3'sialyllactose was stable during pasteurization (30 min. at 62.5 °C) and freeze-drying.
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Affiliation(s)
- Valentina N Perna
- Mille International ApS, Langebjerg 3, 4000, Roskilde, Denmark; Section for Protein Chemistry and Enzyme Technology, Department of Biotechnology and Biomedicine, Building 221, Technical University of Denmark, Kgs. Lyngby, 2800, Denmark
| | | | - Anne S Meyer
- Section for Protein Chemistry and Enzyme Technology, Department of Biotechnology and Biomedicine, Building 221, Technical University of Denmark, Kgs. Lyngby, 2800, Denmark.
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Wang Y, Yu J. Membrane separation processes for enrichment of bovine and caprine milk oligosaccharides from dairy byproducts. Compr Rev Food Sci Food Saf 2021; 20:3667-3689. [PMID: 33931948 DOI: 10.1111/1541-4337.12758] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2020] [Revised: 03/07/2021] [Accepted: 03/24/2021] [Indexed: 12/18/2022]
Abstract
Breast milk is an ideal source of human milk oligosaccharides (HMOs) for isolation and purification. However, breast milk is not for sale and at most is distributed to neonatal intensive care units as donor milk. To overcome this limitation, isolating HMOs analogs including bovine milk oligosaccharides (BMOs) and caprine milk oligosaccharides (CMOs) from other sources is timely and significant. Advances in the development of equipment and analytical methods have revealed that dairy processing byproducts are good sources of BMOs and CMOs. Enrichment of these oligosaccharides from dairy byproducts, such as whey, permeate, and mother liquor, is of increasing academic and economic value. The commonly employed approach for oligosaccharides purification is chromatographic technique, but it is only used at lab scale. In the dairy industry, chromatographic methods (large-scale ion exchange, 10,000 L size) are currently routinely used for the isolation/purification of milk proteins (e.g., lactoferrin). In contrast, membrane technology has been proven to be a suitable approach for the isolation and purification of BMOs and CMOs from dairy byproducts. Therefore, this review simply introduces BMOs and CMOs in dairy processing byproducts. This review also summarizes membrane separation processes for isolating and purifying BMOs and CMOs from different dairy byproducts. Finally, the technological challenges and solutions of each processing strategy are discussed in detail.
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Affiliation(s)
- Yi Wang
- State Key Laboratory of Food Nutrition and Safety, Tianjin University of Science & Technology, Tianjin, China
| | - Jinghua Yu
- State Key Laboratory of Food Nutrition and Safety, Tianjin University of Science & Technology, Tianjin, China
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Development and Validation of a Bioanalytical Method for 3′- and 6′-Sialyllactose in Minipig Liver and Kidney Using Liquid Chromatography-Tandem Mass Spectrometry and Its Application to Analysis of Tissue Distribution. Molecules 2020; 25:molecules25235721. [PMID: 33287423 PMCID: PMC7731434 DOI: 10.3390/molecules25235721] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Revised: 11/28/2020] [Accepted: 12/01/2020] [Indexed: 11/16/2022] Open
Abstract
Breast milk contains human milk oligosaccharides (HMOs), including sialyllactose (SL). SL is composed of sialic acid and lactose, and is divided into 3′-SL and 6′-SL according to the binding position. SL has immunoprotective effects against bacteria and viruses, and acts as a probiotic in the gastrointestinal tract. In this study, we developed a bioanalytical method for simultaneous analysis of 3′-SL and 6′-SL in liver and kidney tissues of Yucatan minipigs using liquid chromatography–tandem mass spectrometry (LC-MS/MS) under conditions optimized in our previous study. LC-MS/MS was performed using a hydrophilic interaction liquid chromatography (HILIC) column (50 mm × 2.1 mm, 3 μm) with a mobile phase consisting of 10 mM ammonium acetate in water (pH 4.5) and acetonitrile with gradient elution at a flow rate of 0.3 mL/min. A surrogate matrix method using water was applied for analysis of endogenous SL. The developed method was validated with regard to selectivity, linearity, precision, accuracy, the matrix effect, recovery, parallelism, dilution integrity, carryover, and stability according to the US Food and Drug Administration guidelines. We performed a tissue distribution study of minipigs, and analyzed liver and kidney tissues using the developed method to determine the tissue distribution of 3′-SL and 6′-SL. The tissue concentrations of 3′-SL and 6′-SL were readily measurable, suggesting that the method would be useful for evaluating the tissue distributions of these compounds in minipigs.
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Abstract
Numerous bioactive components exist in human milk including free oligosaccharides, which represent some of the most important, and provide numerous health benefits to the neonate. Considering the demonstrated value of these compounds, much interest lies in characterising structurally similar oligosaccharides in the dairy industry. In this study, the impacts of days post-parturition and parity of the cows on the oligosaccharide and lactose profiles of their milk were evaluated. Colostrum and milk samples were obtained from 18 cows 1–5 days after parturition. Three distinct phases were identified using multivariate analysis: colostrum (day 0), transitional milk (days 1–2) and mature milk (days 3–5). LS-tetrasaccharide c, lacto-N-neotetraose, disialyllacto-N-tetraose, 3’-sial-N-acetyllactosamine, 3’-sialyllactose, lacto-N-neohexaose and disialyllactose were found to be highly affiliated with colostrum. Notably, levels of lactose were at their lowest concentration in the colostrum and substantially increased 1-day post-parturition. The cow’s parity was also shown to have a significant effect on the oligosaccharide profile, with first lactation cows containing more disialyllacto-N-tetraose, 6’-sialyllactose and LS-tetrasaccharide compared to cows in their second or third parity. Overall, this study identifies key changes in oligosaccharide and lactose content that clearly distinguish colostrum from transitional and mature milk and may facilitate the collection of specific streams with divergent biological functions.
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van Leeuwen SS, te Poele EM, Chatziioannou AC, Benjamins E, Haandrikman A, Dijkhuizen L. Goat Milk Oligosaccharides: Their Diversity, Quantity, and Functional Properties in Comparison to Human Milk Oligosaccharides. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2020; 68:13469-13485. [PMID: 33141570 PMCID: PMC7705968 DOI: 10.1021/acs.jafc.0c03766] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
Human milk is considered the golden standard in infant nutrition. Free oligosaccharides in human milk provide important health benefits. These oligosaccharides function as prebiotics, immune modulators, and pathogen inhibitors and were found to improve barrier function in the gut. Infant formulas nowadays often contain prebiotics but lack the specific functions of human milk oligosaccharides (hMOS). Milk from domesticated animals also contains milk oligosaccharides but at much lower levels and with less diversity. Goat milk contains significantly more oligosaccharides (gMOS) than bovine (bMOS) or sheep (sMOS) milk and also has a larger diversity of structures. This review summarizes structural studies, revealing a diversity of up to 77 annotated gMOS structures with almost 40 structures fully characterized. Quantitative studies of goat milk oligosaccharides range from 60 to 350 mg/L in mature milk and from 200 to 650 mg/L in colostrum. These levels are clearly lower than in human milk (5-20 g/L) but higher than in other domesticated dairy animals, e.g., bovine (30-60 mg/L) and sheep (20-40 mg/L). Finally, the review focuses on demonstrated and potential functionalities of gMOS. Some studies have shown anti-inflammatory effects of mixtures enriched in gMOS. Goat MOS also display prebiotic potential, particularly in stimulating growth of bifidobacteria preferentially. Although functional studies of gMOS are still limited, several structures are also found in human milk and have known functions as immune modulators and pathogen inhibitors. In conclusion, goat milk constitutes a promising alternative source for milk oligosaccharides, which can be used in infant formula.
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Affiliation(s)
- Sander S. van Leeuwen
- Department
of Laboratory Medicine, Cluster Human Nutrition and Health, University Medical Center Groningen (UMCG), Hanzeplein 1, 9713 GZ Groningen, Netherlands
- E-mail:
| | | | | | | | | | - Lubbert Dijkhuizen
- CarbExplore
Research BV, 9747 AN Groningen, Netherlands
- Department
of Microbial Physiology, Groningen Biomolecular Sciences and Biotechnology
Institute (GBB), University of Groningen, 9700 AB Groningen, Netherlands
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Mann S, Curone G, Chandler TL, Moroni P, Cha J, Bhawal R, Zhang S. Heat treatment of bovine colostrum: I. Effects on bacterial and somatic cell counts, immunoglobulin, insulin, and IGF-I concentrations, as well as the colostrum proteome. J Dairy Sci 2020; 103:9368-9383. [PMID: 32828510 DOI: 10.3168/jds.2020-18618] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Accepted: 06/02/2020] [Indexed: 12/11/2022]
Abstract
The objective of this study was to investigate the effects of heat treatment on colostral low-abundant proteins, IgG and IgA, insulin, and insulin-like growth factor I (IGF-I), as well as bacteria and somatic cells. First-milking colostrum samples >8 L and Brix % > 22.0 were harvested from 11 Holstein cows on a commercial dairy in New York State and split into 2 aliquots using single-use colostrum bags. One aliquot of each pair was cooled on ice immediately after harvest (raw, R; n = 11), and the other was heat-treated for 60 min at 60°C (heat, H; n = 11). All samples were analyzed for IgG and IgA via radial immunodiffusion assay and insulin and IGF-I concentrations by radioimmunoassay. Total bacterial counts and somatic cell counts (SCC) were determined using standard plate culture techniques and flow cytometry, respectively. Samples from a subset of 5 pairs (n = 10) were further analyzed by nano liquid chromatography-tandem mass spectroscopy, after ultracentrifugation at 100,000 × g for 60 min at 4°C to enrich the low-abundant protein whey fraction. Data were analyzed using either paired t-test or Wilcoxon signed-rank test or using an online software package to analyze proteomics data. Outcomes of proteomics analysis were fold change ≥1.5 between pairs, and paired t-tests with false discovery rate-adjusted P-value < 0.05. The median reduction of IgA concentrations was 8.5% (range: 0-38.0%) due to heat treatment, whereas IgG concentrations did not change due to treatment. Insulin concentrations decreased by a median of 22% (7-45%), and IGF-I decreased by 10% (0-18%) in H samples. Heat treatment was associated with a median reduction of SCC of 36% (0-90%) in paired samples, as well as a median reduction in total bacterial count of 93% (45-100%) in H versus R samples. Proteomics analysis identified a total of 328 unique proteins that were present in all 10 samples. Nine of the 25 proteins that decreased by at least 1.5-fold in H compared with R were identified as complement proteins. We conclude that heat treatment of colostrum is associated with a reduction in the concentration of bacterial counts and SCC, IgA, insulin, and IGF-I. In addition, proteomics analysis of colostral whey identified several complement components and other proteins that decreased in abundance due to heat treatment. Although IgG concentrations were unaffected and a reduction in bacterial counts was achieved, the change in several immunologically active proteins and growth factors may have biologically important effects on the developing immune system of the neonate fed heat-treated colostrum.
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Affiliation(s)
- S Mann
- Department of Population Medicine and Diagnostic Sciences, College of Veterinary Medicine, Cornell University, Ithaca, NY 14853.
| | - G Curone
- Department of Veterinary Medicine, University of Milano, 26900, Lodi, Italy
| | - T L Chandler
- Department of Population Medicine and Diagnostic Sciences, College of Veterinary Medicine, Cornell University, Ithaca, NY 14853
| | - P Moroni
- Department of Population Medicine and Diagnostic Sciences, College of Veterinary Medicine, Cornell University, Ithaca, NY 14853; Department of Veterinary Medicine, University of Milano, 26900, Lodi, Italy
| | - J Cha
- Division of Nutritional Sciences, College of Human Ecology, Cornell University, Ithaca, NY 14853
| | - R Bhawal
- Proteomics and Metabolomics Facility, Institute of Biotechnology, Cornell University, Ithaca, NY 14853
| | - S Zhang
- Proteomics and Metabolomics Facility, Institute of Biotechnology, Cornell University, Ithaca, NY 14853
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36
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Chouraqui JP. Does the contribution of human milk oligosaccharides to the beneficial effects of breast milk allow us to hope for an improvement in infant formulas? Crit Rev Food Sci Nutr 2020; 61:1503-1514. [PMID: 32393048 DOI: 10.1080/10408398.2020.1761772] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Human milk is a source of nutrients and contains many distinct bioactive components. Among these, human milk oligosaccharides (HMOs) have attracted considerable attention and are being investigated as a "novel foods". Human milk is unique in its oligosaccharide composition. Recent research has focused on the complexity of HMOs by highlighting their diversity, structural variability, concentration variance, and structure-function relationships. In vitro and in vivo studies have demonstrated that HMOs drive infant gut microbiota, improve intestinal barrier functions, and modulate cell receptor signaling, thereby contributing to the development of infant immunity. These studies, combined with epidemiological data, indicate that some HMO may confer health benefits by preventing infections and diseases such as necrotizing enterocolitis and allergies. However, randomized controlled trials are restricted to structurally simple compounds such as 2' fucosyllactose and lacto-N-neotetraose. More controlled clinical trials are needed to justify routine supplementation of formula. It is felt that a better understanding of the role of HMOs leading to the development of inexpensive methods for large-scale HMO production is needed.
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Affiliation(s)
- Jean-Pierre Chouraqui
- Division of Pediatrics, Woman, Mother and Child Department, Pediatric Nutrition and Gastroenterology Unit, University Hospital of Lausanne, Lausanne, Switzerland
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37
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Quinn EM, Joshi L, Hickey RM. Symposium review: Dairy-derived oligosaccharides-Their influence on host-microbe interactions in the gastrointestinal tract of infants. J Dairy Sci 2020; 103:3816-3827. [PMID: 32089300 DOI: 10.3168/jds.2019-17645] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2019] [Accepted: 12/18/2019] [Indexed: 12/13/2022]
Abstract
Oligosaccharides are the third most abundant component in human milk. It is widely accepted that they play several important protective, physiological, and biological roles, including selective growth stimulation of beneficial gut microbiota, inhibition of pathogen adhesion, and immune modulation. However, until recently, very few commercial products on the market have capitalized on these functions. This is mainly because the quantities of human milk oligosaccharides required for clinical trials have been unavailable. Recently, clinical studies have tested the potential beneficial effects of feeding infants formula containing 2'-fucosyllactose, which is the most abundant oligosaccharide in human milk. These studies have opened this field for further well-designed studies, which are required to fully understand the role of human milk oligosaccharides. However, one of the most striking features of human milk is its diversity of oligosaccharides, with over 200 identified to date. It may be that a mixture of oligosaccharides is even more beneficial to infants than a single structure. For this reason, the milk of domestic animals has become a focal point in recent years as an alternative source of complex oligosaccharides with associated biological activity. This review will focus specifically on free oligosaccharides found in bovine and caprine milk and the biological roles associated with such structures. These dairy streams are ideal sources of oligosaccharides, given their wide availability and use in so many regularly consumed dairy products. The aim of this review was to provide an overview of research into the functional role of bovine and caprine milk oligosaccharides in host-microbial interactions in the gut and provide current knowledge related to the isolation of oligosaccharides as ingredients for incorporation in functional or medical foods.
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Affiliation(s)
- Erinn M Quinn
- Teagasc Food Research Centre, Moorepark, Fermoy, Co. Cork P61 C996, Ireland; Advanced Glycoscience Research Cluster, National Centre for Biomedical Engineering Science, National University of Ireland Galway, Galway H91 TK33, Ireland
| | - Lokesh Joshi
- Advanced Glycoscience Research Cluster, National Centre for Biomedical Engineering Science, National University of Ireland Galway, Galway H91 TK33, Ireland
| | - Rita M Hickey
- Teagasc Food Research Centre, Moorepark, Fermoy, Co. Cork P61 C996, Ireland.
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Fischer-Tlustos AJ, Hertogs K, van Niekerk JK, Nagorske M, Haines DM, Steele MA. Oligosaccharide concentrations in colostrum, transition milk, and mature milk of primi- and multiparous Holstein cows during the first week of lactation. J Dairy Sci 2020; 103:3683-3695. [PMID: 32037163 DOI: 10.3168/jds.2019-17357] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2019] [Accepted: 12/06/2019] [Indexed: 12/25/2022]
Abstract
The objective of this study was to characterize the oligosaccharide (OS) profile of colostrum and transition milk from primiparous (Pp, n = 10) and multiparous (Mp, n = 10) Holstein cows. The experiment was conducted on a commercial dairy farm, where cows were assigned to the study at calving. Colostrum (milking 1) was collected at 5.3 ± 0.7 h after parturition, followed by collection of milkings 2 through 6, milkings 8, 10, 12, and 14 at 0500 and 1600 h each day. Samples were analyzed for OS concentrations using liquid chromatography-mass spectrometry and for IgG and milk components. Concentration of IgG was highest in colostrum and milking 2. Colostral IgG concentration was less in Pp cows than in Mp cows (82.1 ± 3.1 vs. 106.1 ± 16.2 mg/mL). Colostrum and milkings 2 and 3 had 3'-sialyllactose and 6'-sialyllactose concentrations greater than those of mature milk (milkings 8+). For colostrum and milking 2, 6'-sialyllactosamine concentrations were higher than all other milkings, while disialyllactose was only higher in colostrum. In addition, 3'-sialyllactose was the most abundant OS in colostrum and milkings 2 and 3 compared with all other OS. A parity difference was observed for 6'-sialyllactosamine, with Mp having a higher concentration over the first 7 d in milk than Pp (46.4 ± 8.7 vs. 16.9 ± 3.2 μg/mL). Similar results were observed between milkings for OS yields. Parity differences were detected for 3'-sialyllactose, 6'-sialyllactose, and 6'-sialyllactosamine yield, with Mp yield being greater than Pp over the first 7 d in milk. These findings demonstrate that colostrum and transition milk contain elevated concentrations of certain OS compared with mature milk and suggest further research should be conducted regarding the potential benefits of OS in colostrum and transition milk when fed to newborn calves.
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Affiliation(s)
- A J Fischer-Tlustos
- Department of Animal Biosciences, Animal Science and Nutrition, University of Guelph, Guelph, ON, Canada N1G 1Y2
| | - K Hertogs
- Animal Nutrition Group, Department of Animal Science, Wageningen University & Research, Wageningen 6708, the Netherlands
| | - J K van Niekerk
- Department of Agricultural, Food and Nutritional Science, University of Alberta, Edmonton, AB, Canada T6G 2P5
| | - M Nagorske
- The Saskatoon Colostrum Company Ltd., Saskatoon, SK, Canada S7K 6A2
| | - D M Haines
- The Saskatoon Colostrum Company Ltd., Saskatoon, SK, Canada S7K 6A2; Western College of Veterinary Medicine, University of Saskatchewan, Saskatoon, SK, Canada S7N 5B4
| | - M A Steele
- Department of Animal Biosciences, Animal Science and Nutrition, University of Guelph, Guelph, ON, Canada N1G 1Y2; Department of Agricultural, Food and Nutritional Science, University of Alberta, Edmonton, AB, Canada T6G 2P5.
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Huang X, Zhu B, Jiang T, Yang C, Qiao W, Hou J, Han Y, Xiao H, Chen L. Improved Simple Sample Pretreatment Method for Quantitation of Major Human Milk Oligosaccharides Using Ultrahigh Pressure Liquid Chromatography with Fluorescence Detection. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2019; 67:12237-12244. [PMID: 31560847 DOI: 10.1021/acs.jafc.9b03445] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/17/2023]
Abstract
Human milk oligosaccharides (HMOs) maintain and promote infant health. Most of the current methods for HMOs quantitation require labor-intensive and time-consuming steps for sample preparation. This study presents two very simple and easy-to-operate pretreatment methods, requiring either ultrafiltration or centrifugation to separate free oligosaccharides from whole fat human milk and other milk matrix before oligosaccharides labeling for quantifying HMOs using ultrahigh pressure liquid chromatography with fluorescence detection. A single chromatography run quantified 15 sialylated and neutral HMOs with high sensitivity (with an LOD less than 8 pg for all HMOs tested: about 1 pg for 2'-fucosyllactose, 3-fucosyllactose, 4'-galactosyllactose, 3'-galactosyllactose, and 6'-galactosyllactose) and good linearity with coefficient of correlation above 0.999. Accuracy and precision were satisfactory for both pretreatment methods. Overall, the centrifugation pretreatment was efficient and reliable for samples with high levels of oligosaccharides, and the ultrafiltration pretreatment was especially suitable for samples with low oligosaccharide abundance.
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Affiliation(s)
- Xunwen Huang
- National Engineering Center of Dairy for Maternal and Child Health , Beijing Sanyuan Foods Co. Ltd. , Beijing 100163 , P. R. China
- Beijing Engineering Research Center of Dairy , Beijing Sanyuan Foods Co. Ltd. , Beijing 100163 , P. R. China
- Institute of Microbiology , China Academy of Sciences , Beijing 100101 , P. R. China
| | - Baoli Zhu
- Institute of Microbiology , China Academy of Sciences , Beijing 100101 , P. R. China
| | - Tiemin Jiang
- National Engineering Center of Dairy for Maternal and Child Health , Beijing Sanyuan Foods Co. Ltd. , Beijing 100163 , P. R. China
- Beijing Engineering Research Center of Dairy , Beijing Sanyuan Foods Co. Ltd. , Beijing 100163 , P. R. China
| | - Chunying Yang
- National Engineering Center of Dairy for Maternal and Child Health , Beijing Sanyuan Foods Co. Ltd. , Beijing 100163 , P. R. China
- Beijing Engineering Research Center of Dairy , Beijing Sanyuan Foods Co. Ltd. , Beijing 100163 , P. R. China
| | - Weicang Qiao
- National Engineering Center of Dairy for Maternal and Child Health , Beijing Sanyuan Foods Co. Ltd. , Beijing 100163 , P. R. China
- Beijing Engineering Research Center of Dairy , Beijing Sanyuan Foods Co. Ltd. , Beijing 100163 , P. R. China
| | - Juncai Hou
- College of Food Science , Northeast Agricultural University , Harbin 150030 , P. R. China
| | - Yanhui Han
- Department of Food Science , University of Massachusetts , Amherst , Massachusetts 010003 , United States
| | - Hang Xiao
- Department of Food Science , University of Massachusetts , Amherst , Massachusetts 010003 , United States
| | - Lijun Chen
- National Engineering Center of Dairy for Maternal and Child Health , Beijing Sanyuan Foods Co. Ltd. , Beijing 100163 , P. R. China
- Beijing Engineering Research Center of Dairy , Beijing Sanyuan Foods Co. Ltd. , Beijing 100163 , P. R. China
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40
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Profile and content of sialylated oligosaccharides in donkey milk at early lactation. Lebensm Wiss Technol 2019. [DOI: 10.1016/j.lwt.2019.108437] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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41
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Kirmiz N, Robinson RC, Shah IM, Barile D, Mills DA. Milk Glycans and Their Interaction with the Infant-Gut Microbiota. Annu Rev Food Sci Technol 2019; 9:429-450. [PMID: 29580136 DOI: 10.1146/annurev-food-030216-030207] [Citation(s) in RCA: 80] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Human milk is a unique and complex fluid that provides infant nutrition and delivers an array of bioactive molecules that serve various functions. Glycans, abundant in milk, can be found as free oligosaccharides or as glycoconjugates. Milk glycans are increasingly linked to beneficial outcomes in neonates through protection from pathogens and modulation of the immune system. Indeed, these glycans influence the development of the infant and the infant-gut microbiota. Bifidobacterium species commonly are enriched in breastfed infants and are among a limited group of bacteria that readily consume human milk oligosaccharides (HMOs) and milk glycoconjugates. Given the importance of bifidobacteria in infant health, numerous studies have examined the molecular mechanisms they employ to consume HMOs and milk glycans, thus providing insight into this unique enrichment and shedding light on a range of translational opportunities to benefit at-risk infants.
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Affiliation(s)
- Nina Kirmiz
- Foods for Health Institute and Department of Food Science and Technology, University of California, Davis, California 95616, USA;
| | - Randall C Robinson
- Foods for Health Institute and Department of Food Science and Technology, University of California, Davis, California 95616, USA;
| | - Ishita M Shah
- Foods for Health Institute and Department of Food Science and Technology, University of California, Davis, California 95616, USA;
| | - Daniela Barile
- Foods for Health Institute and Department of Food Science and Technology, University of California, Davis, California 95616, USA;
| | - David A Mills
- Foods for Health Institute and Department of Food Science and Technology, University of California, Davis, California 95616, USA; .,Department of Viticulture and Enology, University of California, Davis, California 95616, USA
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Composition and isolation of goat cheese whey oligosaccharides by membrane technology. Int J Biol Macromol 2019; 139:57-62. [DOI: 10.1016/j.ijbiomac.2019.07.181] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2019] [Revised: 06/29/2019] [Accepted: 07/26/2019] [Indexed: 01/04/2023]
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Flowers SA, Lane CS, Karlsson NG. Deciphering Isomers with a Multiple Reaction Monitoring Method for the Complete Detectable O-Glycan Repertoire of the Candidate Therapeutic, Lubricin. Anal Chem 2019; 91:9819-9827. [PMID: 31246420 DOI: 10.1021/acs.analchem.9b01485] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Glycosylation is a fundamental post-translational modification, occurring on half of all proteins. Despite its significance, our understanding is limited, in part due to the inherent difficulty in studying these branched, multi-isomer structures. Accessible, detailed, and quantifiable methods for studying glycans, particularly O-glycans, are needed. Here we take a multiple reaction monitoring (MRM) approach to differentiate and relatively quantify all detectable glycans, including isomers, on the heavily O-glycosylated protein lubricin. Lubricin (proteoglycan 4) is essential for lubrication of the joint and eye. Given the therapeutic potential of lubricin, it is essential to understand its O-glycan repertoire in biological and recombinantly produced samples. O-Glycans were released by reductive β-elimination and defined, showing a range of 26 neutral, sulfated, sialylated, and both sulfated and sialylated core 1 (Galβ1-3GalNAcα1-) and core 2 (Galβ1-3(GlcNAcβ1-6)GalNAcα1-) structures. Isomer-specific MRM transitions allowed effective differentiation of neutral glycan isomers as well as sulfated isomeric structures, where the sulfate was retained on the fragment ions. This strategy was not as effective with labile sialylated structures; instead, it was observed that the optimal collision energy for the m/z 290.1 sialic acid B-fragment differed consistently between sialic acid isomers, allowing differentiation between isomers when fragmentation spectra were insufficient. This approach was also effective for purchased Neu5Acα2-3Galβ1-4Glc and Neu5Acα2-6Galβ1-4Glc and for Neu5Acα2-3Galβ1-4GlcNAc and Neu5Acα2-6Galβ1-4GlcNAc linkage isomers with the Neu5Acα2-6 consistently requiring more energy for optimal generation of the m/z 290.1 fragment. Overall, this method provides an effective and easily accessible approach for the quantification and annotation of complex released O-glycan samples.
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Affiliation(s)
- Sarah A Flowers
- Department of Medical Biochemistry and Cell Biology, Institute of Biomedicine, Sahlgrenska Academy , University of Gothenburg , Medicinaregatan 9A , 40530 Gothenburg , Sweden.,Department of Neuroscience , Georgetown University , 3970 Reservoir Road NW, New Research Building EP20 , Washington, D.C. , United States
| | - Catherine S Lane
- SCIEX , Phoenix House, Lakeside Drive, Centre Park , Warrington WA1 1RX , United Kingdom
| | - Niclas G Karlsson
- Department of Medical Biochemistry and Cell Biology, Institute of Biomedicine, Sahlgrenska Academy , University of Gothenburg , Medicinaregatan 9A , 40530 Gothenburg , Sweden
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Ma L, McJarrow P, Fong BY. Quantification of major milk oligosaccharides in a range of formulated milk powder products using high performance liquid chromatography-multi reaction monitoring-mass spectrometry. Int Dairy J 2019. [DOI: 10.1016/j.idairyj.2019.03.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
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Robinson RC. Structures and Metabolic Properties of Bovine Milk Oligosaccharides and Their Potential in the Development of Novel Therapeutics. Front Nutr 2019; 6:50. [PMID: 31069231 PMCID: PMC6491812 DOI: 10.3389/fnut.2019.00050] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2019] [Accepted: 04/04/2019] [Indexed: 12/13/2022] Open
Abstract
Among the many bioactive components in human milk, the free oligosaccharides (OS) have been intensely studied in recent decades due to their unique ability to selectively modulate the infant gut microbiota, in addition to providing numerous other health benefits. In light of the demonstrated value of these compounds, recent studies have set out to characterize the structures and properties of the similar and more widely-available OS in the dairy industry. This mini review gives a brief overview of the common analytical techniques used to characterize bovine milk OS and highlights several recent, key studies that have identified valuable physiological and metabolic effects of these molecules in vivo. Although traditionally considered indigestible by human enzymes, evidence now suggests that milk OS are partially absorbed in the intestines and likely contribute to the development of molecular structures in the brain. Furthermore, aside from their prebiotic effects, these compounds show promise as therapeutics that could alleviate numerous metabolic abnormalities, including undernutrition, obesity, and excessive intestinal permeability. The need for novel treatments to address these and related health issues is motivating the development of scalable techniques to produce large quantities of milk OS for use as food ingredients. The safety and tolerability of high dosages of bovine milk OS have been demonstrated in two independent human studies, which potentially opens the door for further research aiming to utilize these molecules to alleviate common metabolic health issues.
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Affiliation(s)
- Randall C. Robinson
- Department of Food Science and Technology, University of California, Davis, Davis, CA, United States
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Profiling of aminoxyTMT-labeled bovine milk oligosaccharides reveals substantial variation in oligosaccharide abundance between dairy cattle breeds. Sci Rep 2019; 9:5465. [PMID: 30940931 PMCID: PMC6445284 DOI: 10.1038/s41598-019-41956-x] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2018] [Accepted: 03/08/2019] [Indexed: 02/07/2023] Open
Abstract
Free milk oligosaccharides are bioactive molecules that function as prebiotics and prevent infections that commonly afflict developing infants. To date, few publications have examined the factors affecting bovine milk oligosaccharide production among cattle in the dairy industry. Here we have applied a high-throughput isobaric labeling technique to measure oligosaccharide abundances in milk collected from Danish Holstein-Friesian and Jersey dairy cattle by liquid chromatography-mass spectrometry. With a total of 634 milk samples, this collection represents the largest sample set used for milk oligosaccharide profiling in the current literature. This study is also the first to use isobaric labeling for the purpose of measuring free oligosaccharides in a real sample set. We have identified 13 oligosaccharides that vary significantly by breed, with most structures being more abundant in the milk of Jersey cattle. The abundances of several oligosaccharides were increased in second-parity cows, and correlations between the abundances of oligosaccharide pairs were identified, potentially indicating similarities in their synthetic pathways. Fucosylated oligosaccharide structures were widely identified among both breeds. Improving our understanding of oligosaccharide production will aid in developing strategies to recover these compounds from processing streams and may enable their use as a functional ingredient in foods for infants and adults.
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Tonon KM, Miranda A, Abrão ACF, de Morais MB, Morais TB. Validation and application of a method for the simultaneous absolute quantification of 16 neutral and acidic human milk oligosaccharides by graphitized carbon liquid chromatography – electrospray ionization – mass spectrometry. Food Chem 2019; 274:691-697. [DOI: 10.1016/j.foodchem.2018.09.036] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2018] [Revised: 09/03/2018] [Accepted: 09/04/2018] [Indexed: 01/18/2023]
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Ma L, McJarrow P, Jan Mohamed HJB, Liu X, Welman A, Fong BY. Lactational changes in the human milk oligosaccharide concentration in Chinese and Malaysian mothers' milk. Int Dairy J 2018. [DOI: 10.1016/j.idairyj.2018.07.015] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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49
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Mank M, Welsch P, Heck AJR, Stahl B. Label-free targeted LC-ESI-MS 2 analysis of human milk oligosaccharides (HMOS) and related human milk groups with enhanced structural selectivity. Anal Bioanal Chem 2018; 411:231-250. [PMID: 30443773 DOI: 10.1007/s00216-018-1434-7] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2018] [Revised: 10/02/2018] [Accepted: 10/16/2018] [Indexed: 01/19/2023]
Abstract
Human milk (HM) supports the healthy development of neonates and exerts many of its beneficial effects via contained free human milk oligosaccharides (HMOS). These HMOS exhibit a complexity and structural diversity that pose a significant analytical challenge. A detailed characterization of HMOS is essential as every individual structure may have a different function/activity. Certain HMOS isomers may even fundamentally differ in their biological function, and especially their characterization by LC or LC-MS is often impaired by co-elution phenomena. Thus, more efficient analytical methodologies with enhanced structural selectivity are required. Therefore, we developed a negative ion mode LC-ESI-MS2 approach featuring straightforward sample preparation, environmentally friendly EtOH gradient elution, and enhanced, semiquantitative characterization of distinct native HMOS by multiple reaction monitoring (MRM). Our MRM-LC-MS setup takes advantage of highly selective, glycan configuration-dependent collision-induced dissociation (CID) fragments to identify individual neutral and acidic HMOS. Notably, many human milk oligosaccharide isomers could be distinguished in a retention time-independent manner. This contrasts with other contemporary MRM approaches relying on rather unspecific MRM transitions. Our method was used to determine the most abundant human milk tri-, tetra-, penta-, and hexaoses semiquantitatively in a single LC-MS assay. Detected HMO structures included fucosyllactoses (e.g., 2'-FL), lacto-N-difucotetraose (LDFT), lacto-N-tetraoses (LNTs), lacto-N-fucopentaoses (e.g., LNFP I, LNFP II and III), lacto-N-difucohexaoses (LNDFHs) as well as sialyllactoses (SLs) and tentatively assigned blood group A and B tetrasaccharides from which correct human milk type assignment could be also demonstrated. Correctness of milk typing was validated for milk groups I-IV by high pressure anion exchange chromatography (HPAEC) coupled to pulsed amperometric detection (HPAEC-PAD). Graphical Abstract ᅟ.
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Affiliation(s)
- Marko Mank
- Danone Nutricia Research, Uppsalalaan 12, 3584 CT, Utrecht, the Netherlands.
| | - Philipp Welsch
- Danone Nutricia Research, Uppsalalaan 12, 3584 CT, Utrecht, the Netherlands
| | - Albert J R Heck
- Biomolecular Mass Spectrometry and Proteomics Division, Bijvoet Center for Biomolecular Research and Utrecht Institute for Pharmaceutical Sciences, Utrecht University, 3584 CH, Utrecht, the Netherlands
| | - Bernd Stahl
- Danone Nutricia Research, Uppsalalaan 12, 3584 CT, Utrecht, the Netherlands
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Monaco MH, Wang M, Pan X, Li Q, Richards JD, Chichlowski M, Berg BM, Dilger RN, Donovan SM. Evaluation of Sialyllactose Supplementation of a Prebiotic-Containing Formula on Growth, Intestinal Development, and Bacterial Colonization in the Neonatal Piglet. Curr Dev Nutr 2018; 2:nzy067. [PMID: 30443641 PMCID: PMC6226774 DOI: 10.1093/cdn/nzy067] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2018] [Revised: 06/06/2018] [Accepted: 07/26/2018] [Indexed: 01/25/2023] Open
Abstract
BACKGROUND Sialyllactose (SL) is a highly abundant oligosaccharide in human milk that has been shown to influence intestinal maturation and cognitive development and exert bifidogenic effects on the gut microbiota. The SL content of infant formula is significantly less than that of human milk, therefore there is interest in determining the effect of supplementing SL to infant formula at the levels in human milk on neonatal outcomes. OBJECTIVE The aim of this study was to investigate the effect of varying doses of dietary SL compared with a milk replacer formula on weight gain, gastrointestinal development, and microbiota composition in piglets. METHODS Thirty-eight intact male piglets were randomly assigned to 1 of 4 experimental diets from 2 to 32-33 d of age. Diets were formulated to contain SL at 0 mg/L (CON), 130 mg/L (LOW), 380 mg/L (MOD), or 760 mg/L (HIGH). At 32-33 d of age, blood was collected for serum chemistry and blood cellular analyses, and coagulation time. Immediately after humane killing, the small intestine was excised and intestinal segments fixed for quantification of mucin-producing goblet cells and morphologic analysis. In addition, mucosal disaccharide activity was assessed. Colonic luminal contents and feces were collected for measurement of pH, dry matter, volatile fatty acids, and the microbiota. RESULTS SL at ≤760 mg/L supported normal growth, intestinal development, and enzyme activity as well as serum chemistries and hematology (P > 0.05). In addition, SL supplementation did not affect overall microbiota structure and diversity in ascending colon contents and feces, but had minor effects on the relative abundances of specific microbes. CONCLUSIONS The findings in this study demonstrate that SL addition to a prebiotic-containing formula was well-tolerated by neonatal piglets, supported normal growth, and did not result in any adverse effects on serum chemistries or intestinal development.
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Affiliation(s)
- Marcia H Monaco
- Department of Food Science and Human Nutrition, University of Illinois, Urbana, IL
| | - Mei Wang
- Department of Food Science and Human Nutrition, University of Illinois, Urbana, IL
| | - Xiao Pan
- Mead Johnson Pediatric Nutrition Institute, Evansville, IN
| | - Qian Li
- Mead Johnson Pediatric Nutrition Institute, Evansville, IN
| | | | | | - Brian M Berg
- Division of Nutritional Sciences, University of Illinois, Urbana, IL
- Mead Johnson Pediatric Nutrition Institute, Evansville, IN
| | - Ryan N Dilger
- Division of Nutritional Sciences, University of Illinois, Urbana, IL
- Department of Animal Sciences, University of Illinois, Urbana, IL
| | - Sharon M Donovan
- Department of Food Science and Human Nutrition, University of Illinois, Urbana, IL
- Division of Nutritional Sciences, University of Illinois, Urbana, IL
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