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Perez KM, Strobel KM, Hendrixson DT, Brandon O, Hair AB, Workneh R, Abayneh M, Nangia S, Hoban R, Kolnik S, Rent S, Salas A, Ojha S, Valentine GC. Nutrition and the gut-brain axis in neonatal brain injury and development. Semin Perinatol 2024; 48:151927. [PMID: 38897828 DOI: 10.1016/j.semperi.2024.151927] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 06/21/2024]
Abstract
Early nutritional exposures, including during embryogenesis and the immediate postnatal period, affect offspring outcomes in both the short- and long-term. Alterations of these modifiable exposures shape the developing gut microbiome, intestinal development, and even neurodevelopmental outcomes. A gut-brain axis exists, and it is intricately connected to early life feeding and nutritional exposures. Here, we seek to discuss the (1) origins of the gut-brain access and relationship with neurodevelopment, (2) components of human milk (HM) beyond nutrition and their role in the developing newborn, and (3) clinical application of nutritional practices, including fluid management and feeding on the development of the gut-brain axis, and long-term neurodevelopmental outcomes. We conclude with a discussion on future directions and unanswered questions that are critical to provide further understanding and insight into how clinicians and healthcare providers can optimize early nutritional practices to ensure children not only survive, but thrive, free of neurodevelopmental impairment.
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Affiliation(s)
- Krystle M Perez
- Division of Neonatology, University of Washington/Seattle Children's Hospital, Seattle, WA, United States of America
| | - Katie M Strobel
- Division of Neonatology, University of Washington/Seattle Children's Hospital, Seattle, WA, United States of America
| | - D Taylor Hendrixson
- Division of Neonatology, University of Washington/Seattle Children's Hospital, Seattle, WA, United States of America
| | - Olivia Brandon
- Division of Neonatology, University of Washington/Seattle Children's Hospital, Seattle, WA, United States of America
| | - Amy B Hair
- Division of Neonatology, Baylor College of Medicine, Houston, TX, United States of America
| | - Redeat Workneh
- St Paul's Hospital Millennium Medical College, Addis Ababa, Ethiopia
| | - Mahlet Abayneh
- St Paul's Hospital Millennium Medical College, Addis Ababa, Ethiopia
| | - Sushma Nangia
- Department of Neonatology, Lady Hardinge Medical College and Kalawati Saran Children's Hospital, New Delhi, India
| | - Rebecca Hoban
- Division of Neonatology, University of Washington/Seattle Children's Hospital, Seattle, WA, United States of America
| | - Sarah Kolnik
- Division of Neonatology, University of Washington/Seattle Children's Hospital, Seattle, WA, United States of America
| | - Sharla Rent
- Division of Neonatology, Duke University, Durham, NC, United States of America
| | - Ariel Salas
- Department of Pediatrics, Division of Neonatology, University of Alabama at Birmingham, Birmingham, AL, United States of America
| | - Shalini Ojha
- School of Medicine, University of Nottingham, Nottingham, United Kingdom
| | - Gregory C Valentine
- Division of Neonatology, University of Washington/Seattle Children's Hospital, Seattle, WA, United States of America; Department of Oral Health Sciences, University of Washington, Seattle, WA, United States of America; Department of Obstetrics & Gynecology, Baylor College of Medicine, Houston, TX, United States of America.
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2
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Gilbert SF. Inter-kingdom communication and the sympoietic way of life. Front Cell Dev Biol 2024; 12:1427798. [PMID: 39071805 PMCID: PMC11275584 DOI: 10.3389/fcell.2024.1427798] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2024] [Accepted: 06/26/2024] [Indexed: 07/30/2024] Open
Abstract
Organisms are now seen as holobionts, consortia of several species that interact metabolically such that they sustain and scaffold each other's existence and propagation. Sympoiesis, the development of the symbiotic relationships that form holobionts, is critical for our understanding the origins and maintenance of biodiversity. Rather than being the read-out of a single genome, development has been found to be sympoietic, based on multigenomic interactions between zygote-derived cells and symbiotic microbes. These symbiotic and sympoietic interactions are predicated on the ability of cells from different kingdoms of life (e.g., bacteria and animals) to communicate with one another and to have their chemical signals interpreted in a manner that facilitates development. Sympoiesis, the creation of an entity by the interactions of other entities, is commonly seen in embryogenesis (e.g., the creation of lenses and retinas through the interaction of brain and epidermal compartments). In holobiont sympoiesis, interactions between partners of different domains of life interact to form organs and biofilms, wherein each of these domains acts as the environment for the other. If evolution is forged by changes in development, and if symbionts are routinely involved in our development, then changes in sympoiesis can constitute an important factor in evolution.
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Affiliation(s)
- Scott F. Gilbert
- Department of Biology, Swarthmore College, Swarthmore, PA, United States
- Evolutionary Phenomics Group, Biotechnology Institute, University of Helsinki, Helsinki, Finland
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3
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Palomino TV, Muddiman DC. Mass spectrometry imaging of N-linked glycans: Fundamentals and recent advances. MASS SPECTROMETRY REVIEWS 2024. [PMID: 38934211 DOI: 10.1002/mas.21895] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/05/2024] [Revised: 06/06/2024] [Accepted: 06/09/2024] [Indexed: 06/28/2024]
Abstract
With implications in several medical conditions, N-linked glycosylation is one of the most important posttranslation modifications present in all living organisms. Due to their nontemplate synthesis, glycan structures are extraordinarily complex and require multiple analytical techniques for complete structural elucidation. Mass spectrometry is the most common way to investigate N-linked glycans; however, with techniques such as liquid-chromatography mass spectrometry, there is complete loss of spatial information. Mass spectrometry imaging is a transformative analytical technique that can visualize the spatial distribution of ions within a biological sample and has been shown to be a powerful tool to investigate N-linked glycosylation. This review covers the fundamentals of mass spectrometry imaging and N-linked glycosylation and highlights important findings of recent key studies aimed at expanding and improving the glycomics imaging field.
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Affiliation(s)
- Tana V Palomino
- FTMS Laboratory for Human Health Research, Department of Chemistry, North Carolina State University, Raleigh, North Carolina, USA
| | - David C Muddiman
- FTMS Laboratory for Human Health Research, Department of Chemistry, North Carolina State University, Raleigh, North Carolina, USA
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Ramirez-Farias C, Oliver JS, Schlezinger J, Stutts JT. Tolerance of Infants Fed a Hydrolyzed Rice Infant Formula with 2'-Fucosyllactose (2'-FL) Human Milk Oligosaccharide (HMO). Nutrients 2024; 16:1863. [PMID: 38931218 PMCID: PMC11206301 DOI: 10.3390/nu16121863] [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: 04/22/2024] [Revised: 05/27/2024] [Accepted: 06/07/2024] [Indexed: 06/28/2024] Open
Abstract
BACKGROUND The purpose of this research was to assess the growth, tolerance, and compliance outcomes associated with the consumption of a hydrolyzed rice infant formula (HRF) enriched with 2'-Fucosyllactose (2'-FL) a Human Milk Oligosaccharide (HMO), and nucleotides in an intended population of infants. METHODS This was a non-randomized single-group, multicenter study. The study formula was a hypoallergenic HRF with 2'-FL, Docosahexaenoic acid (DHA), Arachidonic acid (ARA), and nucleotides. Infants 0-90 days of age who were formula fed and experiencing persistent feeding intolerance symptoms, symptoms of suspected food protein (milk and/or soy) allergy, or other conditions where an extensively hydrolyzed infant formula was deemed an appropriate feeding option were recruited by pediatricians from their local populations. The primary outcome was maintenance of weight-for-age z-score. Weight, length, head circumference, formula intake, tolerance measures, clinical symptoms and questionnaires were collected. Thirty-three infants were enrolled, and 27 completed the study, on study product. RESULTS Weight-for-age z-scores of infants showed a statistically significant improvement from Visit 1 to Visit 4 (p = 0.0331). There was an adequate daily volume intake of 762 ± 28 mL/day, average daily number of stools of 2.1 ± 0.3, and mean rank stool consistency of 2.38 ± 0.18. After 28 days of switching to a HRF, 86.8 ± 5.9% of the symptoms resolved or got better by Visit 4 as reported by parents. CONCLUSIONS HRF with 2'-FL HMO was safe, well tolerated, and supported weight gain in infants with suspected cow's milk allergy or persistent feeding intolerance.
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Affiliation(s)
- Carlett Ramirez-Farias
- Scientific & Medical Affairs, Abbott Nutrition, Columbus, OH 43219, USA; (J.S.O.); (J.T.S.)
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5
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Zhang L, Wu Z, Kang M, Wang J, Tan B. Utilization of Ningxiang pig milk oligosaccharides by Akkermansia muciniphila in vitro fermentation: enhancing neonatal piglet survival. Front Microbiol 2024; 15:1430276. [PMID: 38933035 PMCID: PMC11199860 DOI: 10.3389/fmicb.2024.1430276] [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: 05/09/2024] [Accepted: 06/03/2024] [Indexed: 06/28/2024] Open
Abstract
Akkermansia muciniphila (A. muciniphila), an intestinal symbiont residing in the mucosal layer, shows promise as a probiotic. Our previous study found that the abundance of A. muciniphila was significantly higher in Ningxiang suckling piglets compared to other breeds, suggesting that early breast milk may play a crucial role. This study examines A. muciniphila's ability to utilize Ningxiang pig milk oligosaccharides. We discovered that A. muciniphila can thrive on both Ningxiang pig colostrum and purified pig milk oligosaccharides. Genetic analysis has shown that A. muciniphila harbors essential glycan-degrading enzymes, enabling it to effectively break down a broad spectrum of oligosaccharides. Our findings demonstrate that A. muciniphila can degrade pig milk oligosaccharides structures such as 3'-FL, 3'-SL, LNT, and LNnT, producing short-chain fatty acids in the process. The hydrolysis of these host-derived glycan structures enhances A. muciniphila's symbiotic interactions with other beneficial gut bacteria, contributing to a dynamic microbial ecological network. The capability of A. muciniphila to utilize pig milk oligosaccharides allows it to establish itself in the intestines of newborn piglets, effectively colonizing the mucosal layer early in life. This early colonization is key in supporting both mucosal and metabolic health, which is critical for enhancing piglet survival during lactation.
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Affiliation(s)
- Longlin Zhang
- Key Laboratory for Quality Regulation of Livestock and Poultry Products of Hunan Province, College of Animal Science and Technology, Hunan Agricultural University, Changsha, China
- Yuelushan Laboratory, Changsha, China
| | - Zichen Wu
- Key Laboratory for Quality Regulation of Livestock and Poultry Products of Hunan Province, College of Animal Science and Technology, Hunan Agricultural University, Changsha, China
- Yuelushan Laboratory, Changsha, China
| | - Meng Kang
- Key Laboratory for Quality Regulation of Livestock and Poultry Products of Hunan Province, College of Animal Science and Technology, Hunan Agricultural University, Changsha, China
- Yuelushan Laboratory, Changsha, China
| | - Jing Wang
- Key Laboratory for Quality Regulation of Livestock and Poultry Products of Hunan Province, College of Animal Science and Technology, Hunan Agricultural University, Changsha, China
- Yuelushan Laboratory, Changsha, China
| | - Bie Tan
- Key Laboratory for Quality Regulation of Livestock and Poultry Products of Hunan Province, College of Animal Science and Technology, Hunan Agricultural University, Changsha, China
- Yuelushan Laboratory, Changsha, China
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6
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Bellomo AR, Rotondi G, Rago P, Bloise S, Di Ruzza L, Zingoni A, Di Valerio S, Valzano E, Di Pierro F, Cazzaniga M, Bertuccioli A, Guasti L, Zerbinati N, Lubrano R. Effect of Bifidobacterium bifidum Supplementation in Newborns Born from Cesarean Section on Atopy, Respiratory Tract Infections, and Dyspeptic Syndromes: A Multicenter, Randomized, and Controlled Clinical Trial. Microorganisms 2024; 12:1093. [PMID: 38930475 PMCID: PMC11205812 DOI: 10.3390/microorganisms12061093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2024] [Revised: 05/24/2024] [Accepted: 05/26/2024] [Indexed: 06/28/2024] Open
Abstract
Cesarean section is considered a possible trigger of atopy and gut dysbiosis in newborns. Bifidobacteria, and specifically B. bifidum, are thought to play a central role in reducing the risk of atopy and in favoring gut eubiosis in children. Nonetheless, no trial has ever prospectively investigated the role played by this single bacterial species in preventing atopic manifestations in children born by cesarean section, and all the results published so far refer to mixtures of probiotics. We have therefore evaluated the impact of 6 months of supplementation with B. bifidum PRL2010 on the incidence, in the first year of life, of atopy, respiratory tract infections, and dyspeptic syndromes in 164 children born by cesarean (versus 249 untreated controls). The results of our multicenter, randomized, and controlled trial have shown that the probiotic supplementation significantly reduced the incidence of atopic dermatitis, upper and lower respiratory tract infections, and signs and symptoms of dyspeptic syndromes. Concerning the gut microbiota, B. bifidum supplementation significantly increased α-biodiversity and the relative values of the phyla Bacteroidota and Actinomycetota, of the genus Bacteroides, Bifidobacterium and of the species B. bifidum and reduced the relative content of Escherichia/Shigella and Haemophilus. A 6-month supplementation with B. bifidum in children born by cesarean section reduces the risk of gut dysbiosis and has a positive clinical impact that remains observable in the following 6 months of follow-up.
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Affiliation(s)
- Anna Rita Bellomo
- Dipartimento Materno Infantile e di Scienze Urologiche, Sapienza Università di Roma, UOC di Pediatria e Neonatologia-Polo Pontino, 04100 Latina, Italy; (A.R.B.); (P.R.)
| | - Giulia Rotondi
- Pediatric Surgery Unit, Gaslini Children Hospital and Research Institute, 16147 Genoa, Italy
| | - Prudenza Rago
- Dipartimento Materno Infantile e di Scienze Urologiche, Sapienza Università di Roma, UOC di Pediatria e Neonatologia-Polo Pontino, 04100 Latina, Italy; (A.R.B.); (P.R.)
| | - Silvia Bloise
- Dipartimento Materno Infantile e di Scienze Urologiche, Sapienza Università di Roma, UOC di Pediatria e Neonatologia-Polo Pontino, 04100 Latina, Italy; (A.R.B.); (P.R.)
| | - Luigi Di Ruzza
- UOC Pediatria e Nido, Ospedale S.S. Trinità, 03039 Sora, Italy
| | - Annamaria Zingoni
- UOC Pediatria e Neonatologia, Ospedale G.B. Grassi, 00122 Ostia, Italy
| | - Susanna Di Valerio
- UOC Neonatologia e Terapia Intensiva Neonatale, Ospedale S. Spirito, 65124 Pescara, Italy
| | - Eliana Valzano
- UOC Neonatologia e Terapia Intensiva Neonatale, Ospedale S. Spirito, 65124 Pescara, Italy
| | - Francesco Di Pierro
- Scientific & Research Department, Velleja Research, 20125 Milan, Italy
- Department of Medicine and Surgery, University of Insubria, 21100 Varese, Italy
| | | | - Alexander Bertuccioli
- Department of Biomolecular Sciences, University of Urbino Carlo Bo, 61029 Urbino, Italy;
| | - Luigina Guasti
- Department of Medicine and Surgery, University of Insubria, 21100 Varese, Italy
| | - Nicola Zerbinati
- Department of Medicine and Surgery, University of Insubria, 21100 Varese, Italy
| | - Riccardo Lubrano
- Dipartimento Materno Infantile e di Scienze Urologiche, Sapienza Università di Roma, UOC di Pediatria e Neonatologia-Polo Pontino, 04100 Latina, Italy; (A.R.B.); (P.R.)
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7
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Yao Q, Gao Y, Zheng N, Delcenserie V, Wang J. Unlocking the mysteries of milk oligosaccharides: Structure, metabolism, and function. Carbohydr Polym 2024; 332:121911. [PMID: 38431414 DOI: 10.1016/j.carbpol.2024.121911] [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: 11/15/2023] [Revised: 01/18/2024] [Accepted: 01/31/2024] [Indexed: 03/05/2024]
Abstract
Milk oligosaccharides (MOs), complex carbohydrates prevalent in human breast milk, play a vital role in infant nutrition. Serving as prebiotics, they inhibit pathogen adherence, modulate the immune system, and support newborn brain development. Notably, MOs demonstrate significant variations in concentration and composition, both across different species and within the same species. These characteristics of MOs lead to several compelling questions: (i) What distinct beneficial functions do MOs offer and how do the functions vary along with their structural differences? (ii) In what ways do MOs in human milk differ from those in other mammals, and what factors drive these unique profiles? (iii) What are the emerging applications of MOs, particularly in the context of their incorporation into infant formula? This review delves into the structural characteristics, quantification methods, and species-specific concentration differences of MOs. It highlights the critical role of human MOs in infant growth and their potential applications, providing substantial evidence to enhance infant health and development.
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Affiliation(s)
- Qianqian Yao
- State Key Laboratory of Animal Nutrition and Feeding, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, PR China; Department of Food Science, Faculty of Veterinary Medicine, University of Liège, Liège, Belgium
| | - Yanan Gao
- State Key Laboratory of Animal Nutrition and Feeding, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, PR China
| | - Nan Zheng
- State Key Laboratory of Animal Nutrition and Feeding, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, PR China
| | - Veronique Delcenserie
- Department of Food Science, Faculty of Veterinary Medicine, University of Liège, Liège, Belgium
| | - Jiaqi Wang
- State Key Laboratory of Animal Nutrition and Feeding, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, PR China.
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Lv LJ, Wen JY, Zhang Y, Guo RC, Li H, Yi ZT, He TW, Chen MC, Chen Y, Wu XY, Li SH, Kang J, Hou YP, Yan QL, Yin AH. Deep metagenomic characterization of the gut virome in pregnant women with preeclampsia. mSphere 2024; 9:e0067623. [PMID: 38506520 PMCID: PMC11036803 DOI: 10.1128/msphere.00676-23] [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: 11/05/2023] [Accepted: 12/21/2023] [Indexed: 03/21/2024] Open
Abstract
Preeclampsia (PE), a pregnancy-specific syndrome, has been associated with the gut bacteriome. Here, to investigate the impact of the gut virome on the development of PE, we identified over 8,000 nonredundant viruses from the fecal metagenomes of 40 early-onset PE and 37 healthy pregnant women and profiled their abundances. Comparison and correlation analysis showed that PE-enriched viruses frequently connected to Blautia species enriched in PE. By contrast, bacteria linked to PE-depleted viruses were often the Bacteroidaceae members such as Bacteroides spp., Phocaeicola spp., Parabacteroides spp., and Alistipes shahii. In terms of viral function, PE-depleted viruses had auxiliary metabolic genes that participated in the metabolism of simple and complex polysaccharides, sulfur metabolism, lipopolysaccharide biosynthesis, and peptidoglycan biosynthesis, while PE-enriched viruses had a gene encoding cyclic pyranopterin monophosphate synthase, which seemed to be special, that participates in the biosynthesis of the molybdenum cofactor. Furthermore, the classification model based on gut viral signatures was developed to discriminate PE patients from healthy controls and showed an area under the receiver operating characteristic curve of 0.922 that was better than that of the bacterium-based model. This study opens up new avenues for further research, providing valuable insights into the PE gut virome and offering potential directions for future mechanistic and therapeutic investigations, with the ultimate goal of improving the diagnosis and management of PE.IMPORTANCEThe importance of this study lies in its exploration of the previously overlooked but potentially critical role of the gut virome in preeclampsia (PE). While the association between PE and the gut bacteriome has been recognized, this research takes a pioneering step into understanding how the gut virome, represented by over 8,000 nonredundant viruses, contributes to this condition. The findings reveal intriguing connections between PE-enriched viruses and specific gut bacteria, such as the prevalence of Blautia species in individuals with PE, contrasting with bacteria linked to PE-depleted viruses, including members of the Bacteroidaceae family. These viral interactions and associations provide a deeper understanding of the complex dynamics at play in PE.
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Affiliation(s)
- Li-Juan Lv
- Medical Genetic Center, Guangdong Women and Children Hospital, Guangzhou, China
| | - Ji-Ying Wen
- Department of Obstetrics, Guangdong Women and Children Hospital, Guangzhou, China
| | - Yue Zhang
- Puensum Genetech Institute, Wuhan, China
| | | | - Hui Li
- Department of Obstetrics, Guangdong Women and Children Hospital, Guangzhou, China
| | - Zhou-Ting Yi
- Department of Obstetrics, Guangdong Women and Children Hospital, Guangzhou, China
| | - Tian-Wen He
- Medical Genetic Center, Guangdong Women and Children Hospital, Guangzhou, China
| | - Min-Chai Chen
- Medical Genetic Center, Guangdong Women and Children Hospital, Guangzhou, China
| | - Yang Chen
- Medical Genetic Center, Guangdong Women and Children Hospital, Guangzhou, China
| | - Xiao-Yan Wu
- Medical Genetic Center, Guangdong Women and Children Hospital, Guangzhou, China
| | | | - Jian Kang
- Department of Microbiology, College of Basic Medical Science, Dalian Medical University, Dalian, China
| | - Ya-Ping Hou
- Medical Genetic Center, Guangdong Women and Children Hospital, Guangzhou, China
| | - Qiu-long Yan
- Department of Microbiology, College of Basic Medical Science, Dalian Medical University, Dalian, China
| | - Ai-Hua Yin
- Medical Genetic Center, Guangdong Women and Children Hospital, Guangzhou, China
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9
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Lordan C, Roche AK, Delsing D, Nauta A, Groeneveld A, MacSharry J, Cotter PD, van Sinderen D. Linking human milk oligosaccharide metabolism and early life gut microbiota: bifidobacteria and beyond. Microbiol Mol Biol Rev 2024; 88:e0009423. [PMID: 38206006 PMCID: PMC10966949 DOI: 10.1128/mmbr.00094-23] [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] [Indexed: 01/12/2024] Open
Abstract
SUMMARYHuman milk oligosaccharides (HMOs) are complex, multi-functional glycans present in human breast milk. They represent an intricate mix of heterogeneous structures which reach the infant intestine in an intact form as they resist gastrointestinal digestion. Therefore, they confer a multitude of benefits, directly and/or indirectly, to the developing neonate. Certain bifidobacterial species, being among the earliest gut colonizers of breast-fed infants, have an adapted functional capacity to metabolize various HMO structures. This ability is typically observed in infant-associated bifidobacteria, as opposed to bifidobacteria associated with a mature microbiota. In recent years, information has been gleaned regarding how these infant-associated bifidobacteria as well as certain other taxa are able to assimilate HMOs, including the mechanistic strategies enabling their acquisition and consumption. Additionally, complex metabolic interactions occur between microbes facilitated by HMOs, including the utilization of breakdown products released from HMO degradation. Interest in HMO-mediated changes in microbial composition and function has been the focal point of numerous studies, in recent times fueled by the availability of individual biosynthetic HMOs, some of which are now commonly included in infant formula. In this review, we outline the main HMO assimilatory and catabolic strategies employed by infant-associated bifidobacteria, discuss other taxa that exhibit breast milk glycan degradation capacity, and cover HMO-supported cross-feeding interactions and related metabolites that have been described thus far.
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Affiliation(s)
- Cathy Lordan
- Teagasc Food Research Centre, Fermoy, Co Cork, Ireland
| | - Aoife K. Roche
- APC Microbiome Ireland, Cork, Ireland
- School of Microbiology, University College Cork, Cork, Ireland
| | | | - Arjen Nauta
- FrieslandCampina, Amersfoort, the Netherlands
| | | | - John MacSharry
- APC Microbiome Ireland, Cork, Ireland
- School of Microbiology, University College Cork, Cork, Ireland
| | - Paul D. Cotter
- Teagasc Food Research Centre, Fermoy, Co Cork, Ireland
- APC Microbiome Ireland, Cork, Ireland
| | - Douwe van Sinderen
- APC Microbiome Ireland, Cork, Ireland
- School of Microbiology, University College Cork, Cork, Ireland
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10
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Li C, Li M, Hu M, Miao M, Zhang T. Metabolic Engineering of Escherichia coli for High-Titer Biosynthesis of 3'-Sialyllactose. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:5379-5390. [PMID: 38420706 DOI: 10.1021/acs.jafc.3c09335] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/02/2024]
Abstract
3'-Sialyllactose (3'-SL) is among the foremost and simplest sialylated breast milk oligosaccharides. In this study, an engineered Escherichia coli for high-titer 3'-SL biosynthesis was developed by introducing a multilevel metabolic engineering strategy, including (1) the introduction of precursor CMP-Neu5Ac synthesis pathway and high-performance α2,3-sialyltransferase (α2,3-SiaT) genes into strain BZ to achieve de novo synthesis of 3'-SL; (2) optimizing the expression of glmS-glmM-glmU involved in the UDP-GlcNAc and CMP-Neu5Ac synthesis pathways, and constructing a glutamine cycle system, balancing the precursor pools; (3) analysis of critical intermediates and inactivation of competitive pathway genes to redirect carbon flux to 3'-SL biosynthesis; and (4) enhanced catalytic performance of rate-limiting enzyme α2,3-SiaT by RBS screening, protein tag cloning. The final strain BZAPKA14 yielded 9.04 g/L 3'-SL in a shake flask. In a 3 L bioreactor, fed-batch fermentation generated 44.2 g/L 3'-SL, with an overall yield and lactose conversion of 0.53 g/(L h) and 0.55 mol 3'-SL/mol, respectively.
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Affiliation(s)
- Chenchen Li
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Mengli Li
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Miaomiao Hu
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Ming Miao
- School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
- International Joint Laboratory on Food Safety, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Tao Zhang
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi, Jiangsu 214122, China
- School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
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11
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Núñez-Delgado A, Mizrachi-Chávez VM, Welti-Chanes J, Macher-Quintana ST, Chuck-Hernández C. Breast milk preservation: thermal and non-thermal processes and their effect on microorganism inactivation and the content of bioactive and nutritional compounds. Front Nutr 2024; 10:1325863. [PMID: 38455872 PMCID: PMC10919153 DOI: 10.3389/fnut.2023.1325863] [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: 10/22/2023] [Accepted: 12/26/2023] [Indexed: 03/09/2024] Open
Abstract
Human Breast Milk (HBM) is widely acknowledged as the best nutritional source for neonates. Data indicates that, in 2019, 83.2% of infants in the United States received breast milk at birth, slightly reducing to 78.6% at 1 month. Despite these encouraging early figures, exclusive breastfeeding rates sharply declined, dropping to 24.9% by 6 months. This decline is particularly pronounced when direct breastfeeding is challenging, such as in Neonatal Intensive Care Units (NICU) and for working mothers. Given this, it is vital to explore alternative breast milk preservation methods. Technologies like Holder Pasteurization (HoP), High-Temperature Short-Time Pasteurization (HTST), High-Pressure Processing (HPP), UV radiation (UV), and Electric Pulses (PEF) have been introduced to conserve HBM. This review aims to enhance the understanding of preservation techniques for HBM, supporting the practice of extended exclusive breastfeeding. It explicitly addresses microbial concerns, focusing on critical pathogens like Staphylococcus aureus, Enterococcus, Escherichia coli, Listeria monocytogenes, and Cytomegalovirus, and explores how various preservation methods can mitigate these risks. Additionally, the review highlights the importance of retaining the functional elements of HBM, particularly its immunological components such as antibodies and enzymes like lysozyme and Bile Salt Stimulated Lipase (BSSL). The goal is to provide a comprehensive overview of the current state of HBM treatment, critically assess existing practices, identify areas needing improvement, and advocate for extended exclusive breastfeeding due to its vital role in ensuring optimal nutrition and overall health in infants.
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Affiliation(s)
- Alejandro Núñez-Delgado
- Tecnologico, de Monterrey, School of Engineering and Sciences, Monterrey, Mexico
- Tecnologico de Monterrey, Institute for Obesity Research, Monterrey, Mexico
| | | | - Jorge Welti-Chanes
- Tecnologico, de Monterrey, School of Engineering and Sciences, Monterrey, Mexico
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12
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Ennis D, Shmorak S, Jantscher-Krenn E, Yassour M. Longitudinal quantification of Bifidobacterium longum subsp. infantis reveals late colonization in the infant gut independent of maternal milk HMO composition. Nat Commun 2024; 15:894. [PMID: 38291346 PMCID: PMC10827747 DOI: 10.1038/s41467-024-45209-y] [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: 07/19/2023] [Accepted: 01/15/2024] [Indexed: 02/01/2024] Open
Abstract
Breast milk contains human milk oligosaccharides (HMOs) that cannot be digested by infants, yet nourish their developing gut microbiome. While Bifidobacterium are the best-known utilizers of individual HMOs, a longitudinal study examining the evolving microbial community at high-resolution coupled with mothers' milk HMO composition is lacking. Here, we developed a high-throughput method to quantify Bifidobacterium longum subsp. infantis (BL. infantis), a proficient HMO-utilizer, and applied it to a longitudinal cohort consisting of 21 mother-infant dyads. We observed substantial changes in the infant gut microbiome over the course of several months, while the HMO composition in mothers' milk remained relatively stable. Although Bifidobacterium species significantly influenced sample variation, no specific HMOs correlated with Bifidobacterium species abundance. Surprisingly, we found that BL. infantis colonization began late in the breastfeeding period both in our cohort and in other geographic locations, highlighting the importance of focusing on BL. infantis dynamics in the infant gut.
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Affiliation(s)
- Dena Ennis
- Microbiology & Molecular Genetics Department, Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem, Israel
| | - Shimrit Shmorak
- Microbiology & Molecular Genetics Department, Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem, Israel
| | | | - Moran Yassour
- Microbiology & Molecular Genetics Department, Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem, Israel.
- The Rachel and Selim Benin School of Computer Science and Engineering, The Hebrew University of Jerusalem, Jerusalem, Israel.
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13
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Fang X, Zhu W, Zhao H, Yin W, Song X, Liu F. Preclinical Safety Evaluation of the Human-Identical Milk Oligosaccharide Lacto-N-Triose II. Int J Toxicol 2024; 43:27-45. [PMID: 37769680 DOI: 10.1177/10915818231203515] [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] [Indexed: 10/03/2023]
Abstract
Lacto-N-triose II (LNT II), an essential human milk oligosaccharide and precursor to lacto-N-tetraose (LNT) and lacto-N-neotetraose (LNnT), was evaluated for safety. Genotoxicity was assessed through in vitro tests including Bacterial Reverse Mutation Test and mammalian cell micronucleus test, and a subchronic oral gavage toxicity study was conducted on juvenile Sprague-Dawley rats. In this study, LNT II was administered at dose levels of 0, 1,500, 2,500, or 5,000 mg/kg body weight (bw)/day for 90 days, followed by a 4-week treatment-free recovery period. LNT II was non-genotoxic in the in vitro assays. No compound-related effects were observed across all dosage levels based on various measures, including clinical observations, body weight gain, feed consumption, clinical pathology, organ weights, and histopathology. Consequently, the highest dosage of 5,000 mg/kg bw/day was established as the no-observed-adverse-effect-level (NOAEL). These results suggest the safe use of LNT II in young children formula and as a food ingredient, within the limits found naturally in human breast milk.
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Affiliation(s)
- Xu Fang
- Research and Development Department of Shandong Henglu Biotechnology Co., Ltd, Jinan, China
| | - Wei Zhu
- Technical Department, Anchor Center for Certification, Shanghai, China
| | - Huiying Zhao
- Specialty Toxicology Department, Pharmaron TSP, Beijing, China
| | - Wencheng Yin
- Research and Development Department of Shandong Henglu Biotechnology Co., Ltd, Jinan, China
| | - Xiao Song
- Research and Development Department of Shandong Henglu Biotechnology Co., Ltd, Jinan, China
| | - Fengxin Liu
- Research and Development Department of Shandong Henglu Biotechnology Co., Ltd, Jinan, China
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14
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Yao Q, Gao Y, Wang F, Delcenserie V, Wang J, Zheng N. Label-Free quantitation of milk oligosaccharides from different mammal species and heat treatment influence. Food Chem 2024; 430:136977. [PMID: 37552901 DOI: 10.1016/j.foodchem.2023.136977] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Revised: 07/07/2023] [Accepted: 07/15/2023] [Indexed: 08/10/2023]
Abstract
Milk oligosaccharides (MOs) exhibit significant variations in concentrations and patterns among different species. However, there is limited knowledge about milk oligosaccharides in domestic animals and the impact of heat treatment on them. Here, we developed an LC-ESI-MS/MS method to analyze 11 milk oligosaccharides in 7 distinct species simultaneously. The results showed that human milk presented a completely different composition pattern of milk oligosaccharides from animals. In detail, animal milk predominantly contained sialylated oligosaccharides, and human milk had high levels of fucosylated neutral oligosaccharides. Notably, sheep milk exhibited similarities to human milk in terms of oligosaccharides composition. Then, the milk samples from dairy cows were treated with two common industrial heat treatments. We found that 65 °C treatment had no significant effect on the concentration of milk oligosaccharides, whereas 135 °C heating was associated with their decline, suggesting that high temperatures should be avoided in the processing of oligosaccharides supplemented/enriched products.
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Affiliation(s)
- Qianqian Yao
- State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, PR China; Department of Food Science, Faculty of Veterinary Medicine, University of Liège, Liège, Belgium
| | - Yanan Gao
- State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, PR China
| | - Fengen Wang
- Institute of Quality Standard and Testing Technology for Agro-Products, Shandong Academy of Agricultural Sciences, Jinan 250100, PR China
| | - Veronique Delcenserie
- Department of Food Science, Faculty of Veterinary Medicine, University of Liège, Liège, Belgium
| | - Jiaqi Wang
- State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, PR China
| | - Nan Zheng
- State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, PR China.
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15
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Loutet MG, Narimani A, Qamar H, Yonemitsu C, Pell LG, Mahmud AA, Ahmed T, Bode L, Bassani DG, Roth DE. Associations between human milk oligosaccharides and infant growth in a Bangladeshi mother-infant cohort. Pediatr Res 2023:10.1038/s41390-023-02927-1. [PMID: 38052861 DOI: 10.1038/s41390-023-02927-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Revised: 11/01/2023] [Accepted: 11/14/2023] [Indexed: 12/07/2023]
Abstract
BACKGROUND We aimed to estimate associations between human milk oligosaccharides (HMOs) and infant growth (length-for-age (LAZ) and weight-for-length (WLZ) z-scores) at 12 months postnatal age. METHODS In this secondary analysis of data from a maternal vitamin D trial in Dhaka, Bangladesh (N = 192), absolute concentrations of HMOs were measured in 13 ± 1 week(s) postpartum milk samples, infant anthropometric measurements were obtained soon after birth and at 12 months postpartum, and infant feeding was classified during 6 months postpartum. Associations between individual HMOs or HMO groups and LAZ or WLZ were estimated by multivariable linear regression adjusting for infant feeding pattern, maternal secretor status, and other potential confounders. RESULTS The concentrations of 6'sialyllactose, lacto-N-neotetraose, and the non-fucosylated non-sialylated HMOs were inversely associated with LAZ at 12 months of age, whereas the fucosylated non-sialylated HMO concentration was positively associated with LAZ at 12 months. These associations were robust in analyses restricted to infants who were primarily exclusively/predominantly fed human milk during the first 3 (or 6) months. CONCLUSIONS Since HMOs are both positively and negatively associated with postnatal growth, there is a need for randomized trials to estimate the causal benefits and risks of exogenously administered HMOs on infant growth and other health outcomes. IMPACT 6'sialyllactose, lacto-N-neotetraose, and the non-fucosylated non-sialylated human milk oligosaccharides (HMOs) were inversely associated with length-for-age z-scores (LAZ) at 12 months, whereas the fucosylated non-sialylated HMO concentration was positively associated with LAZ at 12 months among Bangladeshi infants. Associations between individual and grouped HMOs with infant length growth at 12 months were as strong or stronger in analyses restricted to infants who were exclusively or predominantly fed human milk up to 3 (or 6) months. Randomized trials are needed to characterize the effects of specific HMOs on infant growth, particularly in countries where postnatal linear growth faltering is common.
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Affiliation(s)
- Miranda G Loutet
- The Hospital for Sick Children, Toronto, ON, M5G 0A4, Canada.
- The University of Toronto, Toronto, ON, M5S 1A1, Canada.
| | - Arash Narimani
- The Hospital for Sick Children, Toronto, ON, M5G 0A4, Canada
| | - Huma Qamar
- The Hospital for Sick Children, Toronto, ON, M5G 0A4, Canada
| | | | - Lisa G Pell
- The Hospital for Sick Children, Toronto, ON, M5G 0A4, Canada
| | | | - Tahmeed Ahmed
- Nutrition and Clinical Services Division, icddr,b, Dhaka, Bangladesh
| | - Lars Bode
- University of California San Diego, San Diego, CA, USA
| | - Diego G Bassani
- The Hospital for Sick Children, Toronto, ON, M5G 0A4, Canada
| | - Daniel E Roth
- The Hospital for Sick Children, Toronto, ON, M5G 0A4, Canada
- The University of Toronto, Toronto, ON, M5S 1A1, Canada
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16
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Li X, Ning X, Rui B, Wang Y, Lei Z, Yu D, Liu F, Deng Y, Yuan J, Li W, Yan J, Li M. Alterations of milk oligosaccharides in mothers with gestational diabetes mellitus impede colonization of beneficial bacteria and development of RORγt + Treg cell-mediated immune tolerance in neonates. Gut Microbes 2023; 15:2256749. [PMID: 37741825 PMCID: PMC10519364 DOI: 10.1080/19490976.2023.2256749] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Accepted: 09/05/2023] [Indexed: 09/25/2023] Open
Abstract
Gestational diabetes mellitus (GDM) is an increasing public health concern that significantly increases the risk of early childhood allergic diseases. Altered maternal milk glycobiome may strongly affect gut microbiota and enteric-specific Treg cell-mediated development of immune tolerance in GDM infants. In this study, we found that, compared with healthy Chinese mothers, mothers with GDM had significantly lower levels of total and specific human milk oligosaccharides (HMOs) in their colostrum that subsequently increased with extension of lactation. This alteration in HMO profiles significantly delayed colonization of Lactobacillus and Bifidobacterium spp. in their breast-fed infants, resulting in a distinct gut microbial structure and metabolome. Further experiments in GDM mouse models indicated that decreased contents of milk oligosaccharides, mainly 3'-sialyllactose (3'-SL), in GDM maternal mice reduced colonization of bacteria, such as L. reuteri and L. johnsonii, in the neonatal gut, which impeded development of RORγt+ regulatory T (Treg) cell-mediated immune tolerance. Treatment of GDM neonates with 3'-SL, Lactobacillus reuteri (L. reuteri) and L. johnsonii promoted the proliferation of enteric Treg cells and expression of transcription factor RORγt, which may have contributed to compromising ovalbumin (OVA)-induced allergic responses. In vitro experiments showed that 3'-SL, metabolites of L. johnsonii, and lysates of L. reuteri stimulated differentiation of mouse RORγt+ Treg cells through multiple regulatory effects on Toll-like receptor, MAPK, p53, and NOD-like receptor signaling pathways. This study provides new ideas for the development of gut microbiota and immune tolerance in GDM newborns.
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Affiliation(s)
- Xinke Li
- Department of Microecology, College of Basic Medical Science, Dalian Medical University, Dalian, China
| | - Xixi Ning
- Department of Microecology, College of Basic Medical Science, Dalian Medical University, Dalian, China
| | - Binqi Rui
- Department of Microecology, College of Basic Medical Science, Dalian Medical University, Dalian, China
| | - Yushuang Wang
- Department of Microecology, College of Basic Medical Science, Dalian Medical University, Dalian, China
| | - Zengjie Lei
- Department of Microecology, College of Basic Medical Science, Dalian Medical University, Dalian, China
| | - Da Yu
- Department of Obstetrics, Dalian Women and Children Medical Center (Group), Dalian, China
| | - Feitong Liu
- H&H Group, H&H Research, China Research and Innovation Center, Guangzhou, China
| | - Yanjie Deng
- Department of Obstetrics, Dalian Women and Children Medical Center (Group), Dalian, China
| | - Jieli Yuan
- Department of Microecology, College of Basic Medical Science, Dalian Medical University, Dalian, China
| | - Wenzhe Li
- Department of Microecology, College of Basic Medical Science, Dalian Medical University, Dalian, China
| | - Jingyu Yan
- Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China
| | - Ming Li
- Department of Microecology, College of Basic Medical Science, Dalian Medical University, Dalian, China
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17
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Luo Y, Zhang Y, Yang Y, Wu S, Zhao J, Li Y, Kang X, Li Z, Chen J, Shen X, He F, Cheng R. Bifidobacterium infantis and 2'-fucosyllactose supplementation in early life may have potential long-term benefits on gut microbiota, intestinal development, and immune function in mice. J Dairy Sci 2023; 106:7461-7476. [PMID: 37641283 DOI: 10.3168/jds.2023-23367] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2023] [Accepted: 05/10/2023] [Indexed: 08/31/2023]
Abstract
The health benefits of nutritional interventions targeting the gut microbiota in early life are transient, such as probiotics, prebiotics, and synbiotics. This study sought to determine whether supplementation with Bifidobacterium infantis 79 (B79), 2'-fucosyllactose (2'-FL), or both (B79+2'FL) would lead to persistent health benefits in neonatal BALB/c mice. We found that at postnatal day (PND) 21, Ki67 and MUC2 expression increased, while total serum IgE content decreased in the B79, 2'-FL, and B79+2'-FL groups. The gut microbiota structure and composition altered as well. The levels of propionic acid, sIgA, and IL-10 increased in the 2'-FL group. Moreover, butyric acid content increased, while IL-6, IL-12p40, and tumor necrosis factor-α decreased in the B79+2'-FL group. At PND 56, Ki67 and MUC2 expression increased, whereas the gut microbiota remained altered in all 3 groups. The serum total IgG level increased only in the B79+2'-FL group. In conclusion, our study suggests that early-life supplementation with B79, 2'-FL, or their combination persistently alters the gut microbiome and promotes intestinal development; the immunomodulatory capacity of B79 and 2'-FL occurs during weaning, and their combination may persist into adulthood.
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Affiliation(s)
- Yating Luo
- Department of Nutrition and Food Hygiene, West China School of Public Health and West China Fourth Hospital, Sichuan University, 610041 Chengdu, Sichuan, China
| | - Yujie Zhang
- Department of Nutrition and Food Hygiene, West China School of Public Health and West China Fourth Hospital, Sichuan University, 610041 Chengdu, Sichuan, China
| | - Yang Yang
- Department of Nutrition and Food Hygiene, West China School of Public Health and West China Fourth Hospital, Sichuan University, 610041 Chengdu, Sichuan, China
| | - Simou Wu
- Department of Nutrition and Food Hygiene, West China School of Public Health and West China Fourth Hospital, Sichuan University, 610041 Chengdu, Sichuan, China
| | - Jincheng Zhao
- Department of Nutrition and Food Hygiene, West China School of Public Health and West China Fourth Hospital, Sichuan University, 610041 Chengdu, Sichuan, China
| | - Yun Li
- Department of Nutrition and Food Hygiene, West China School of Public Health and West China Fourth Hospital, Sichuan University, 610041 Chengdu, Sichuan, China
| | - Xiaohong Kang
- R&D Center, Inner Mongolia Meng Niu Dairy Industry (Group) Co. Ltd., 011500 Hohhot, Inner Mongolia, China
| | - Zhouyong Li
- R&D Center, Inner Mongolia Meng Niu Dairy Industry (Group) Co. Ltd., 011500 Hohhot, Inner Mongolia, China
| | - Jianguo Chen
- R&D Center, Inner Mongolia Meng Niu Dairy Industry (Group) Co. Ltd., 011500 Hohhot, Inner Mongolia, China; Beijing YuGen Pharmaceutical Co. Ltd., 102600 Beijing, China
| | - Xi Shen
- Department of Nutrition and Food Hygiene, West China School of Public Health and West China Fourth Hospital, Sichuan University, 610041 Chengdu, Sichuan, China
| | - Fang He
- Department of Nutrition and Food Hygiene, West China School of Public Health and West China Fourth Hospital, Sichuan University, 610041 Chengdu, Sichuan, China.
| | - Ruyue Cheng
- Department of Nutrition and Food Hygiene, West China School of Public Health and West China Fourth Hospital, Sichuan University, 610041 Chengdu, Sichuan, China.
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18
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Ariute JC, Coelho-Rocha ND, Dantas CWD, de Vasconcelos LAT, Profeta R, de Jesus Sousa T, de Souza Novaes A, Galotti B, Gomes LG, Gimenez EGT, Diniz C, Dias MV, de Jesus LCL, Jaiswal AK, Tiwari S, Carvalho R, Benko-Iseppon AM, Brenig B, Azevedo V, Barh D, Martins FS, Aburjaile F. Probiogenomics of Leuconostoc Mesenteroides Strains F-21 and F-22 Isolated from Human Breast Milk Reveal Beneficial Properties. Probiotics Antimicrob Proteins 2023:10.1007/s12602-023-10170-7. [PMID: 37804433 DOI: 10.1007/s12602-023-10170-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/26/2023] [Indexed: 10/09/2023]
Abstract
Bacteria of the Leuconostoc genus are Gram-positive bacteria that are commonly found in raw milk and persist in fermented dairy products and plant food. Studies have already explored the probiotic potential of L. mesenteroides, but not from a probiogenomic perspective, which aims to explore the molecular features responsible for their phenotypes. In the present work, probiogenomic approaches were applied in strains F-21 and F-22 of L. mesenteroides isolated from human milk to assess their biosafety at the molecular level and to correlate molecular features with their potential probiotic characteristics. The complete genome of strain F-22 is 1.99 Mb and presents one plasmid, while the draft genome of strain F-21 is 1.89 Mb and presents four plasmids. A high percentage of average nucleotide identity among other genomes of L. mesenteroides (≥ 96%) corroborated the previous taxonomic classification of these isolates. Genomic regions that influence the probiotic properties were identified and annotated. Both strains exhibited wide genome plasticity, cell adhesion ability, proteolytic activity, proinflammatory and immunomodulation capacity through interaction with TLR-NF-κB and TLR-MAPK pathway components, and no antimicrobial resistance, denoting their potential to be candidate probiotics. Further, the strains showed bacteriocin production potential and the presence of acid, thermal, osmotic, and bile salt resistance genes, indicating their ability to survive under gastrointestinal stress. Taken together, our results suggest that L. mesenteroides F-21 and F-22 are promising candidates for probiotics in the food and pharmaceutical industries.
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Affiliation(s)
- Juan Carlos Ariute
- Laboratory of Integrative Bioinformatics, Preventive Veterinary Medicine Department, Veterinary School, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, 31270-901, Brazil
- Graduate Program in Bioinformatics, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, 31270-901, Brazil
| | - Nina Dias Coelho-Rocha
- Laboratory of Cellular and Molecular Genetics, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, 31270-901, Brazil
| | - Carlos Willian Dias Dantas
- Graduate Program in Bioinformatics, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, 31270-901, Brazil
| | - Larissa Amorim Tourinho de Vasconcelos
- Laboratory of Cellular and Molecular Genetics, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, 31270-901, Brazil
| | - Rodrigo Profeta
- Laboratory of Cellular and Molecular Genetics, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, 31270-901, Brazil
- Graduate Program in Bioinformatics, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, 31270-901, Brazil
| | - Thiago de Jesus Sousa
- Laboratory of Cellular and Molecular Genetics, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, 31270-901, Brazil
| | - Ane de Souza Novaes
- Laboratory of Cellular and Molecular Genetics, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, 31270-901, Brazil
| | - Bruno Galotti
- Laboratory of Biotherapeutic Agents, Department of Microbiology, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, 31270-901, Brazil
| | - Lucas Gabriel Gomes
- Laboratory of Cellular and Molecular Genetics, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, 31270-901, Brazil
- Graduate Program in Bioinformatics, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, 31270-901, Brazil
| | - Enrico Giovanelli Toccani Gimenez
- Laboratory of Cellular and Molecular Genetics, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, 31270-901, Brazil
- Graduate Program in Bioinformatics, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, 31270-901, Brazil
| | - Carlos Diniz
- Laboratory of Integrative Bioinformatics, Preventive Veterinary Medicine Department, Veterinary School, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, 31270-901, Brazil
| | - Mariana Vieira Dias
- Laboratory of Integrative Bioinformatics, Preventive Veterinary Medicine Department, Veterinary School, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, 31270-901, Brazil
| | - Luís Cláudio Lima de Jesus
- Laboratory of Cellular and Molecular Genetics, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, 31270-901, Brazil
| | - Arun Kumar Jaiswal
- Laboratory of Cellular and Molecular Genetics, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, 31270-901, Brazil
| | - Sandeep Tiwari
- Department of Biochemistry and Biophysics, Institute of Health Sciences, Federal University of Bahia, Salvador, Bahia, 40231-300, Brazil
| | - Rodrigo Carvalho
- Department of Biochemistry and Biophysics, Institute of Health Sciences, Federal University of Bahia, Salvador, Bahia, 40231-300, Brazil
| | - Ana Maria Benko-Iseppon
- Laboratory of Plants Genetics and Biotechnology, Genetics Department, Biosciences Center, Federal University of Pernambuco, Recife, Pernambuco, 50740-600, Brazil
| | - Bertram Brenig
- Institute of Veterinary Medicine, University of Göttingen, Burckhardtweg 2, 37077, Göttingen, Germany
| | - Vasco Azevedo
- Laboratory of Cellular and Molecular Genetics, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, 31270-901, Brazil
| | - Debmalya Barh
- Institute of Integrative Omics and Applied Biotechnology (IIOAB), Nonakuri, Purba Medinipur, 721172, India
| | - Flaviano S Martins
- Laboratory of Biotherapeutic Agents, Department of Microbiology, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, 31270-901, Brazil
| | - Flavia Aburjaile
- Laboratory of Integrative Bioinformatics, Preventive Veterinary Medicine Department, Veterinary School, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, 31270-901, Brazil.
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19
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Garofoli F, Civardi E, Pisoni C, Angelini M, Ghirardello S. Anti-Inflammatory and Anti-Allergic Properties of Colostrum from Mothers of Full-Term and Preterm Babies: The Importance of Maternal Lactation in the First Days. Nutrients 2023; 15:4249. [PMID: 37836533 PMCID: PMC10574092 DOI: 10.3390/nu15194249] [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: 08/29/2023] [Revised: 09/29/2023] [Accepted: 09/30/2023] [Indexed: 10/15/2023] Open
Abstract
Our narrative review focuses on colostrum components, particularly those that influence the neonatal immune system of newborns. Colostrum is secreted in small volumes by the alveolar cells of the breast during the first two to five days after birth. Colostrum is poor in fat and carbohydrates, with larger protein and bioactive compounds than mature milk. It plays a crucial role in driving neonates' immunity, transferring those immunological factors which help the correct development of the neonatal immune system and support establishing a healthy gut microbiome. The newborn has an innate and adaptive immune system deficiency, with a consequent increase in infection susceptibility. In particular, neonates born prematurely have reduced immunological competencies due to an earlier break in the maternal trans-placenta transfer of bioactive components, such as maternal IgG antibodies. Moreover, during pregnancy, starting from the second trimester, maternal immune cells are conveyed to the fetus and persist in small quantities post-natal, whereby this transfer is known as microchimerism (MMc). Thus, preterm newborns are deficient in this maternal heritage, and have their own immune system under-developed, but colostrum can compensate for the lack. Early breastfeeding, which should be strongly encouraged in mothers of preterm and full-term babies, provides those immunomodulant compounds that can act as a support, allowing the newborn to face immune needs, including fronting infections and establishing tolerance. Moreover, making mothers aware that administering colostrum helps their infants in building a healthy immune system is beneficial to sustain them in the difficult post-partum period.
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Affiliation(s)
| | - Elisa Civardi
- Neonatal Unit and Neonatal Intensive Care Unit, Fondazione IRCCS Policlinico San Matteo, Piazzale Golgi 19, 27100 Pavia, Italy; (F.G.); (C.P.); (M.A.); (S.G.)
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20
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Modesto M, Ngom-Bru C, Scarafile D, Bruttin A, Pruvost S, Sarker SA, Ahmed T, Sakwinska O, Mattarelli P, Duboux S. Bifidobacterium longum subsp. iuvenis subsp. nov., a novel subspecies isolated from the faeces of weaning infants. Int J Syst Evol Microbiol 2023; 73. [PMID: 37851001 DOI: 10.1099/ijsem.0.006013] [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] [Indexed: 10/19/2023] Open
Abstract
The species
Bifidobacterium longum
currently comprises four subspecies:
B. longum
subsp.
longum
,
B. longum
subsp.
infantis
,
B. longum
subsp.
suis
and
B. longum
subsp.
suillum
. Recently, several studies on
B. longum
suggested the presence of a separate clade containing four strains isolated from infants and one from rhesus macaque. These strains shared a phylogenetic similarity to
B. longum
subsp.
suis
DSM 20210T and
B. longum
subsp.
suillum
JCM1995T [average nucleotide identity (ANI) of 98.1 %) while showed an ANI of 96.5 % with both
B. longum
subsp.
infantis
and
B. longum
subsp.
longum
. The current work describes five novel additional
B. longum
strains isolated from Bangladeshi weaning infants and demonstrates their common phylogenetic origin with those of the previously proposed separated clade. Based on polyphasic taxonomic approach comprising loci multilocus sequence analysis and whole genome multilocus sequence typing, all ten examined strains have been confirmed as a distinct lineage within the species
B. longum
with
B. longum
subsp.
suis
and
B. longum
subsp.
suillum
as closest subspecies. Interestingly, these strains are present in weaning infants and primates as opposed to their closest relatives which have been typically isolated from pig and calves. These strains, similarly to
B. longum
subsp.
infantis
, show a common capacity to metabolize the human milk oligosaccharide 3-fucosyllactose. Moreover, they harbour a riboflavin synthesis operon, which differentiate them from their closest subspecies,
B. longum
subsp.
suis
and
B. longum
subsp.
suillum
. Based on the consistent results from genotypical, ecological and phenotypical analyses, a novel subspecies with the name
Bifidobacterium longum
subsp. iuvenis, with type strain NCC 5000T (=LMG 32752T=CCOS 2034T), is proposed.
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Affiliation(s)
- Monica Modesto
- Department of Agricultural and Food Sciences, University of Bologna, Viale Fanin 42, 40127 Bologna, Italy
| | - Catherine Ngom-Bru
- Nestlé Research, Société des Produits Nestlé SA, 1000 Lausanne 26, Switzerland
| | - Donatella Scarafile
- Department of Agricultural and Food Sciences, University of Bologna, Viale Fanin 42, 40127 Bologna, Italy
| | - Anne Bruttin
- Nestlé Research, Société des Produits Nestlé SA, 1000 Lausanne 26, Switzerland
| | - Solenn Pruvost
- Nestlé Research, Société des Produits Nestlé SA, 1000 Lausanne 26, Switzerland
| | - Shafiqul Alam Sarker
- International Centre for Diarrhoeal Disease Research, Bangladesh (icddr, b), Dhaka, Bangladesh
| | - Tahmeed Ahmed
- International Centre for Diarrhoeal Disease Research, Bangladesh (icddr, b), Dhaka, Bangladesh
| | - Olga Sakwinska
- Nestlé Research, Société des Produits Nestlé SA, 1000 Lausanne 26, Switzerland
| | - Paola Mattarelli
- Department of Agricultural and Food Sciences, University of Bologna, Viale Fanin 42, 40127 Bologna, Italy
| | - Stéphane Duboux
- Nestlé Research, Société des Produits Nestlé SA, 1000 Lausanne 26, Switzerland
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21
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Moore R, Spicer SK, Lu J, Chambers SA, Noble KN, Lochner J, Christofferson RC, Vasco KA, Manning SD, Townsend SD, Gaddy JA. The Utility of Human Milk Oligosaccharides against Group B Streptococcus Infections of Reproductive Tissues and Cognate Adverse Pregnancy Outcomes. ACS CENTRAL SCIENCE 2023; 9:1737-1749. [PMID: 37780357 PMCID: PMC10540283 DOI: 10.1021/acscentsci.3c00101] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Indexed: 10/03/2023]
Abstract
Preterm birth affects nearly 10% of all pregnancies in the United States, with 40% of those due, in part, to infections. Streptococcus agalactiae (Group B Streptococcus, GBS) is one of the most common perinatal pathogens responsible for these infections. Current therapeutic techniques aimed to ameliorate invasive GBS infections are less than desirable and can result in complications in both the neonate and the mother. To this end, the need for novel therapeutic options is urgent. Human milk oligosaccharides (HMOs), an integral component of human breast milk, have been previously shown to possess antiadhesive and antimicrobial properties. To interrogate these characteristics, we examined HMO-mediated outcomes in both in vivo and ex vivo models of GBS infection utilizing a murine model of ascending GBS infection, an EpiVaginal human organoid tissue model, and ex vivo human gestational membranes. Supplementation of HMOs resulted in diminished adverse pregnancy outcomes, decreased GBS adherence to gestational tissues, decreased colonization within the reproductive tract, and reduced proinflammatory immune responses to GBS infection. Taken together, these results highlight the potential of HMOs as promising therapeutic interventions in perinatal health.
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Affiliation(s)
- Rebecca
E. Moore
- Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee 37232, United States
- Department of Veterans Affairs, Tennessee
Valley Healthcare Systems, Nashville, Tennessee 37212, United States
| | - Sabrina K. Spicer
- Department of Chemistry, Vanderbilt University, Nashville, Tennessee 37240, United States
| | - Jacky Lu
- Department of Pathology, Microbiology and Immunology, Vanderbilt University Medical Center, Nashville, Tennessee 37232, United States
| | - Schuyler A. Chambers
- Department of Chemistry, Stanford University, Stanford, California 94305, United States
| | - Kristen N. Noble
- Department
of Pediatrics, Vanderbilt University Medical
Center, Nashville, Tennessee 37232, United States
| | - Jonathan Lochner
- Department
of Pediatrics, Vanderbilt University Medical
Center, Nashville, Tennessee 37232, United States
| | - Rebecca C. Christofferson
- Department of Pathobiological
Sciences, School of Veterinary Medicine, Louisiana State University, Baton Rouge, Louisiana 70803, United States
| | - Karla A. Vasco
- Department of Microbiology and Molecular Genetics, Michigan State University, East Lansing, Michigan 48824, United States
| | - Shannon D. Manning
- Department of Microbiology and Molecular Genetics, Michigan State University, East Lansing, Michigan 48824, United States
| | - Steven D. Townsend
- Department of Chemistry, Vanderbilt University, Nashville, Tennessee 37240, United States
| | - Jennifer A. Gaddy
- Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee 37232, United States
- Department of Veterans Affairs, Tennessee
Valley Healthcare Systems, Nashville, Tennessee 37212, United States
- Department of Pathology, Microbiology and Immunology, Vanderbilt University Medical Center, Nashville, Tennessee 37232, United States
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22
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Chen L, Qin Y, Ma L, Meng D, You C. Biosynthesis of Lacto-N-biose I from starch and N-acetylglucosamine via an in vitro synthetic enzymatic biosystem. Synth Syst Biotechnol 2023; 8:555-562. [PMID: 37663063 PMCID: PMC10468323 DOI: 10.1016/j.synbio.2023.08.004] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Revised: 08/07/2023] [Accepted: 08/16/2023] [Indexed: 09/05/2023] Open
Abstract
Human milk oligosaccharides (HMOs) are very distinctive components in human milk and are beneficial for infant health. Lacto-N-biose I (LNB) is the core structural unit of HMOs, which could be used for the synthesis of other HMOs. In this study, an ATP-free in vitro synthetic enzymatic biosystem contained four thermostable enzymes (alpha-glucan phosphorylase from Thermococcus kodakarensis, UDP-glucose-hexose-1-phosphate uridylyltransferase from Thermotoga maritima, UDP-glucose 4-epimerase from T. maritima, lacto-N-biose phosphorylase from Clostridium thermobutyricum) were constructed for the biosynthesis of LNB from starch and N-acetylglucosamine (GlcNAc). Under the optimal conditions, 0.75 g/L and 2.23 g/L LNB was produced from 1.1 g/L and 4.4 g/L GlcNAc and excess starch, with the molar yield of 39% and 29% based on the GlcNAc concentration, respectively, confirming the feasibility of this in vitro synthetic enzymatic biosystem for LNB synthesis and shedding light on the biosynthesis of other HMOs using LNB as the core structural unit from low cost polysaccharides.
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Affiliation(s)
- Lijie Chen
- College of Bioengineering, Tianjin University of Science and Technology, Tianjin, 300457, China
- Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin, 300308, China
| | - Yanmei Qin
- Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin, 300308, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Long Ma
- College of Bioengineering, Tianjin University of Science and Technology, Tianjin, 300457, China
| | - Dongdong Meng
- Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin, 300308, China
| | - Chun You
- Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin, 300308, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
- National Center of Technology Innovation for Synthetic Biology, Tianjin, 300308, China
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23
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Jochum F, Meyer-Krott M, Hübler T, Lorenz M, Bedikian R, Zakarian J, Litzka A, Judex G, Hertzberg H, Klee D, Maurer L, Schacht M, Al-Radhi A, Maier J, Kröckel A, Faustmann C, Lavalle L, Dahbane S. Real-world evidence study on tolerance and growth in infants fed an infant formula with two human milk oligosaccharides vs mixed fed and exclusively breastfed infants. Mol Cell Pediatr 2023; 10:7. [PMID: 37597076 PMCID: PMC10439867 DOI: 10.1186/s40348-023-00162-6] [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: 02/27/2023] [Accepted: 08/04/2023] [Indexed: 08/21/2023] Open
Abstract
INTRODUCTION Human milk oligosaccharides (HMOs) are important components of human milk having diverse functions in the development of infants. Randomized controlled trials (RCTs) have demonstrated that infant formulas with the HMOs 2'-fucosyllactose (2'FL) and lacto-N-neotetraose (LNnT) are safe, well-tolerated, and support normal growth. This study aimed to generate real-world evidence (RWE) on growth and gastrointestinal (GI) tolerance in infants consuming a formula with 1 g/L 2'FL and 0.5 g/L LNnT, including a mixed feeding group not studied before in RCTs. PARTICIPANTS AND METHODS This 8-week open-label prospective multicenter study was conducted in Germany and Austria, and included groups of healthy, exclusively breastfed infants (BF), exclusively formula-fed infants (FF) who received the HMO-formula, and infants mixed fed with both HMO formula and human milk (MF). Co-primary outcomes were anthropometry and gastrointestinal tolerance via validated Infant Gastrointestinal Symptom Questionnaire (IGSQ). Secondary outcomes included formula satisfaction and adverse events (AEs). RESULTS One-hundred six infants completed the study (46 FF, 22 MF, and 38 BF). Mean anthropometric z-scores were comparable between groups and generally within ± 0.5 of WHO medians at week 8. IGSQ composite scores demonstrated good GI tolerance in all groups with no significant group differences at week 4 or 8. IGSQ composite scores in FF improved during the course of the study and parents provided high satisfaction ratings for the HMO-formula. Four potentially product-related AEs were reported in FF (no in MF). CONCLUSIONS In this RWE study examining an infant formula with HMOs, growth and GI tolerance outcomes were confirming the good tolerance and safety of this early feeding option previously reported in RCTs.
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Grants
- NCT05150288 Société des Produits Nestlé S.A., Vevey, Switzerland
- NCT05150288 Société des Produits Nestlé S.A., Vevey, Switzerland
- NCT05150288 Société des Produits Nestlé S.A., Vevey, Switzerland
- NCT05150288 Société des Produits Nestlé S.A., Vevey, Switzerland
- NCT05150288 Société des Produits Nestlé S.A., Vevey, Switzerland
- NCT05150288 Société des Produits Nestlé S.A., Vevey, Switzerland
- NCT05150288 Société des Produits Nestlé S.A., Vevey, Switzerland
- NCT05150288 Société des Produits Nestlé S.A., Vevey, Switzerland
- NCT05150288 Société des Produits Nestlé S.A., Vevey, Switzerland
- NCT05150288 Société des Produits Nestlé S.A., Vevey, Switzerland
- NCT05150288 Société des Produits Nestlé S.A., Vevey, Switzerland
- NCT05150288 Société des Produits Nestlé S.A., Vevey, Switzerland
- NCT05150288 Société des Produits Nestlé S.A., Vevey, Switzerland
- NCT05150288 Société des Produits Nestlé S.A., Vevey, Switzerland
- NCT05150288 Société des Produits Nestlé S.A., Vevey, Switzerland
- NCT05150288 Société des Produits Nestlé S.A., Vevey, Switzerland
- NCT05150288 Société des Produits Nestlé S.A., Vevey, Switzerland
- NCT05150288 Société des Produits Nestlé S.A., Vevey, Switzerland
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Affiliation(s)
- Frank Jochum
- Klinik für Kinder- und Jugendmedizin, Ev. Waldkrankenhaus Spandau Stadtrandstr. 555, 13589, Berlin und Medizinische Hochschule Brandenburg - Theodor Fontane (MHB), 16816, Neuruppin, Germany.
| | | | - Tina Hübler
- Gemeinschaftspraxis Kinder- und Jugendarztpraxis, Clemensstraße 4, 47608, Geldern, Germany
| | - Maja Lorenz
- Kinder- und Jugendarzt, Venloer Straße 67, 41751, Viersen, Germany
| | - Raffi Bedikian
- Kinder- und Jugendärztliche Gemeinschaftspraxis, Eugen-Zur-Nieden-Ring 1, 46145, Oberhausen, Germany
| | - Joseph Zakarian
- Kinderarztpraxis, Suitbertusstr. 31, 40223, Düsseldorf, Germany
| | - Anja Litzka
- Facharztpraxis für Kinder- und Jugendmedizin, Regensburger Str. 40, 93133, Burglengenfeld, Germany
| | - Guido Judex
- Zentrum für Kinder- und Jugendgesundheit Regensburg, Dr.-Leo-Ritter-Str. 4, 93049, Regensburg, Germany
| | - Holger Hertzberg
- Kinder- und Jugendarztpraxis, Ludwigstraße 4, 91126, Schwabach, Germany
| | - Daniela Klee
- Kinder- und Jugendarzt, Röntgen-Str. 6, 68642, Bürstadt, Germany
| | - Lothar Maurer
- Fachärzte für Säuglings-, Kinder- und Jugendmedizin, Welschgasse 39, 67227, Frankenthal, Germany
| | - Martin Schacht
- Facharzt für Säuglings-, Kinder- und Jugendmedizin, Schwachhauser Heerstr. 63a, 28211, Bremen, Germany
| | - Adnan Al-Radhi
- Kinder- und Jugendarzt Al-Radhi, Winckelhoferstrasse 3, 89584, Ehingen, Germany
| | - Jan Maier
- Kinder und Jugendarztpraxis, Geranienstr. 11, 70771, Leinfelden-Echterdingen, Germany
| | - Alexander Kröckel
- Kinder- und Jugendarztpraxis, Schwarzwurzelstraße 52/54, 12689, Berlin, Germany
| | - Christian Faustmann
- Facharzt für Kinder- und Jugendheilkunde, Wiener Strasse 8a, 7400, Oberwart, Austria
| | - Luca Lavalle
- Nestlé Research, Société des Produits Nestlé S.A., Lausanne, Switzerland
| | - Samir Dahbane
- Global Medical Affairs, Société des Produits Nestlé S.A., Vevey, Switzerland
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24
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Mollova D, Vasileva T, Bivolarski V, Iliev I. The Enzymatic Hydrolysis of Human Milk Oligosaccharides and Prebiotic Sugars from LAB Isolated from Breast Milk. Microorganisms 2023; 11:1904. [PMID: 37630464 PMCID: PMC10458952 DOI: 10.3390/microorganisms11081904] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Revised: 07/19/2023] [Accepted: 07/25/2023] [Indexed: 08/27/2023] Open
Abstract
Breastfeeding is essential in the first months of a newborn's life. Breast milk is a source of crucial macronutrients, prebiotic oligosaccharides, and potential probiotic strains of bacteria. Oligosaccharides from breast milk (HMOs) are a significant part of the composition of breast milk and represent a complex of digestible sugars. This study aims to elucidate the enzymatic hydrolysis of these oligosaccharides and other prebiotics by the bacteria present in breast milk. We used modified methods to isolate oligosaccharides (HMOs) from human milk. Using unique techniques, we isolated and identified different bacteria from breast milk, mainly Lactobacillus fermentum. Using enzymatic analyses, we established the participation of α-fucosidase, α-glucosidase, β-galactosidase, and β-glucosidase from breast milk bacteria in the hydrolysis of prebiotic sugars. We also optimized the scheme for isolating oligosaccharides from breast milk by putting the lyophilized product into different food media. We found that the oligosaccharides from breast milk (HMOs) are a potent inducer for the secretion of the studied bacterial enzymes. Also, we found that all the lactobacilli strains we studied in detail could digest mucin-linked glycans. The degradation of these sugars is perhaps a built-in defense mechanism in cases where other sugars are lacking in the environment. We also determined fucosidase activity in some of the isolated strains. We recorded the highest values (2.5 U/mg in L. fermentum ss8) when the medium's oligosaccharides isolated from breast milk were present. Lactobacilli and Bifidobacteria supplied with breast milk are the first colonizers in most cases in the gastrointestinal tract of the newborn. The presence and study of different genes for synthesizing other enzyme systems and transporters of various sugars in this type of bacteria are essential.
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Affiliation(s)
- Daniela Mollova
- Department of Biochemistry and Microbiology, Faculty of Biology, Plovdiv University “Paisii Hilendarski”, 4000 Plovdiv, Bulgaria; (T.V.); (V.B.); (I.I.)
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25
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Sami AS, Frazer LC, Miller CM, Singh DK, Clodfelter LG, Orgel KA, Good M. The role of human milk nutrients in preventing necrotizing enterocolitis. Front Pediatr 2023; 11:1188050. [PMID: 37334221 PMCID: PMC10272619 DOI: 10.3389/fped.2023.1188050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Accepted: 05/22/2023] [Indexed: 06/20/2023] Open
Abstract
Necrotizing enterocolitis (NEC) is an intestinal disease that primarily impacts preterm infants. The pathophysiology of NEC involves a complex interplay of factors that result in a deleterious immune response, injury to the intestinal mucosa, and in its most severe form, irreversible intestinal necrosis. Treatments for NEC remain limited, but one of the most effective preventative strategies for NEC is the provision of breast milk feeds. In this review, we discuss mechanisms by which bioactive nutrients in breast milk impact neonatal intestinal physiology and the development of NEC. We also review experimental models of NEC that have been used to study the role of breast milk components in disease pathophysiology. These models are necessary to accelerate mechanistic research and improve outcomes for neonates with NEC.
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Affiliation(s)
- Ahmad S. Sami
- Division of Pediatric Gastroenterology, Department of Pediatrics, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
| | - Lauren C. Frazer
- Division of Neonatal-Perinatal Medicine, Department of Pediatrics, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
| | - Claire M. Miller
- Division of Neonatal-Perinatal Medicine, Department of Pediatrics, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
| | - Dhirendra K. Singh
- Division of Neonatal-Perinatal Medicine, Department of Pediatrics, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
| | - Lynda G. Clodfelter
- Division of Neonatal-Perinatal Medicine, Department of Pediatrics, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
| | - Kelly A. Orgel
- Division of Neonatal-Perinatal Medicine, Department of Pediatrics, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
| | - Misty Good
- Division of Neonatal-Perinatal Medicine, Department of Pediatrics, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
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26
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Reniker LN, Frazer LC, Good M. Key biologically active components of breast milk and their beneficial effects. Semin Pediatr Surg 2023; 32:151306. [PMID: 37276783 PMCID: PMC10330649 DOI: 10.1016/j.sempedsurg.2023.151306] [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] [Indexed: 06/07/2023]
Abstract
Maternal breast milk is the penultimate nutritional source for term and preterm neonates. Its composition is highly complex and includes multiple factors that enhance the development of nearly every neonatal organ system leading to both short- and long-term health benefits. Intensive research is focused on identifying breast milk components that enhance infant health. However, this research is complicated by the significant impact of maternal factors and the processing of pumped breast milk on bioactive ingredients. Optimizing enteral nutrition is particularly important for preterm neonates who miss the transplacental acquisition of nutrients in the third trimester of pregnancy and are at risk for illnesses associated with gut barrier dysfunction, including sepsis and necrotizing enterocolitis. In this review, we will discuss the health benefits of breast milk and its bioactive components.
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Affiliation(s)
- Laura N Reniker
- Division of Neonatal-Perinatal Medicine, Department of Pediatrics, The University of North Carolina at Chapel Hill, Chapel Hill, NC, USA, 27599
| | - Lauren C Frazer
- Division of Neonatal-Perinatal Medicine, Department of Pediatrics, The University of North Carolina at Chapel Hill, Chapel Hill, NC, USA, 27599
| | - Misty Good
- Division of Neonatal-Perinatal Medicine, Department of Pediatrics, The University of North Carolina at Chapel Hill, Chapel Hill, NC, USA, 27599.
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27
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Street ME, Shulhai AM, Rotondo R, Giannì G, Caffarelli C. Current knowledge on the effects of environmental contaminants in early life nutrition. Front Nutr 2023; 10:1120293. [PMID: 37324741 PMCID: PMC10267348 DOI: 10.3389/fnut.2023.1120293] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Accepted: 05/10/2023] [Indexed: 06/17/2023] Open
Abstract
Breast milk represents the optimal source of feeding for newborns, in terms of nutritional compounds and as it provides immunological, metabolic, organic, and neurological well-being. As a complex biological fluid, it consists not only of nutritional compounds but also contains environmental contaminants. Formulas through production, contact with bottles and cups, and complementary feeding can also be contaminated. The current review focuses on endocrine-disrupting chemicals, and made-man xenoestrogens present in the environment and both commonly present in food sources, agricultural practices, packaging, consumer products, industry, and medical care. These contaminants are transferred by passive diffusion to breast milk and are delivered during breastfeeding. They mainly act by activating or antagonizing hormonal receptors. We summarize the effects on the immune system, gut microbiota, and metabolism. Exposure to endocrine-disrupting chemicals and indirect food additives may induce tissue inflammation and polarize lymphocytes, increase proinflammatory cytokines, promote allergic sensitization, and microbial dysbiosis, activate nuclear receptors and increase the incidence of allergic, autoimmune, and metabolic diseases. Breast milk is the most important optimal source in early life. This mini-review summarizes current knowledge on environmental contaminants and paves the way for strategies to prevent milk contamination and limit maternal and infant exposure during pregnancy and the first months of life.
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Affiliation(s)
- Maria E. Street
- Department of Medicine and Surgery, University of Parma, Parma, Italy
- Unit of Pediatrics, University Hospital of Parma, Parma, Italy
| | - Anna-Mariia Shulhai
- Department of Medicine and Surgery, University of Parma, Parma, Italy
- Unit of Pediatrics, University Hospital of Parma, Parma, Italy
| | - Roberta Rotondo
- Department of Medicine and Surgery, University of Parma, Parma, Italy
- Unit of Pediatrics, University Hospital of Parma, Parma, Italy
| | - Giuliana Giannì
- Department of Medicine and Surgery, University of Parma, Parma, Italy
- Unit of Pediatrics, University Hospital of Parma, Parma, Italy
| | - Carlo Caffarelli
- Department of Medicine and Surgery, University of Parma, Parma, Italy
- Unit of Pediatrics, University Hospital of Parma, Parma, Italy
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28
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Ahn S, Chung D. Thermal characteristics of crystalline and amorphous 2'-fucosyllactose, a human milk oligosaccharide. Food Chem 2023; 410:135438. [PMID: 36652796 DOI: 10.1016/j.foodchem.2023.135438] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Revised: 12/22/2022] [Accepted: 01/07/2023] [Indexed: 01/11/2023]
Abstract
The thermal characteristics of crystalline and amorphous forms of a human milk oligosaccharide, 2'-fucosyllactose (2'-FL), were investigated by differential scanning calorimetry and thermogravimetric analysis, and compared with the two forms of α-lactose monohydrate. Crystalline 2'-FL (87.48% crystallinity according to X-ray diffraction) showed dehydration at 143.4 °C (close to lactose) and melting at 230.6 °C (the same as β-lactose crystal). Amorphous 2'-FL showed glass transition at 127.6 °C and crystallisation at 192.8 °C, which were much higher than the corresponding temperatures for amorphous lactose. 2'-FL showed thermal decomposition at temperatures about 10 °C higher (210-212 °C) than lactose, indicating the higher thermal stability of 2'-FL. Amorphous 2'-FL showed sharp decreases in glass transition (127.6 °C to 36.5 °C) and crystallisation (192.8 °C to 103.4 °C) temperatures with increasing water activity (aw) from 0 to 0.53, above which no glass transition or crystallisation was observed.
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Affiliation(s)
- Sungahm Ahn
- Food Technology Major, Graduate School of International Agricultural Technology, Seoul National University, Pyeongchang 25354, Republic of Korea
| | - Donghwa Chung
- Food Technology Major, Graduate School of International Agricultural Technology, Seoul National University, Pyeongchang 25354, Republic of Korea; Institute of Food Industrialization, Institutes of Green Bio Science and Technology, Seoul National University, Pyeongchang 25354, Republic of Korea; Center for Food and Bioconvergence, Seoul National University, Seoul 08826, Republic of Korea.
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29
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Kim YJ, Kim HH, Shin CS, Yoon JW, Jeon SM, Song YH, Kim KY, Kim K. 2'-Fucosyllactose and 3-Fucosyllactose Alleviates Interleukin-6-Induced Barrier Dysfunction and Dextran Sodium Sulfate-Induced Colitis by Improving Intestinal Barrier Function and Modulating the Intestinal Microbiome. Nutrients 2023; 15:nu15081845. [PMID: 37111064 PMCID: PMC10145275 DOI: 10.3390/nu15081845] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Revised: 04/04/2023] [Accepted: 04/10/2023] [Indexed: 04/29/2023] Open
Abstract
Ulcerative colitis is an inflammatory bowel disease (IBD) with relapsing and remitting patterns, and it is caused by varied factors, such as the intestinal inflammation extent and duration. We examined the preventative effects of human milk oligosaccharides (HMOs) on epithelial barrier integrity and intestinal inflammation in an interleukin (IL)-6-induced cell model and dextran sodium sulfate (DSS)-induced acute mouse colitis model. HMOs including 2'-fucosyllactose (FL) and 3-FL and positive controls including fructooligosaccharide (FOS) and 5-acetylsalicylic acid (5-ASA) were orally administrated once per day to C57BL/6J mice with colitis induced by 5% DSS in the administered drinking water. 2'-FL and 3-FL did not affect the cell viability in Caco-2 cells. Meanwhile, these agents reversed IL-6-reduced intestinal barrier function in Caco-2 cells. Furthermore, 2'-FL and 3-FL reversed the body weight loss and the remarkably short colon lengths in DSS-induced acute colitis mice. Moreover, 2'-FL and 3-FL obviously protected the decreasing expression of zonula occluden-1 and occludin in colon tissue relative to the findings in the DSS-treated control group. 2'-FL and 3-FL significantly reduced IL-6 and tumor necrosis factor-α levels in serum relative to the control findings. The summary of these results shows that HMOs prevent colitis mainly by enhancing intestinal barrier function and advancing anti-inflammatory responses. Therefore, HMOs might suppress inflammatory responses and represent candidate treatments for IBD that protect intestinal integrity.
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Affiliation(s)
- Yeon-Ji Kim
- Korean Medicine (KM)-Application Center, Korea Institute of Oriental Medicine (KIOM), Daegu 41062, Republic of Korea
| | - Han-Hae Kim
- Korean Medicine (KM)-Application Center, Korea Institute of Oriental Medicine (KIOM), Daegu 41062, Republic of Korea
| | - Chul-Soo Shin
- Advanced Protein Technologies Corp., Suwon 16229, Republic of Korea
| | - Jong-Won Yoon
- Advanced Protein Technologies Corp., Suwon 16229, Republic of Korea
| | - Seon-Min Jeon
- Advanced Protein Technologies Corp., Suwon 16229, Republic of Korea
| | - Young-Ha Song
- Advanced Protein Technologies Corp., Suwon 16229, Republic of Korea
| | - Kwang-Youn Kim
- Korean Medicine (KM)-Application Center, Korea Institute of Oriental Medicine (KIOM), Daegu 41062, Republic of Korea
| | - Kyungho Kim
- Korean Medicine (KM)-Application Center, Korea Institute of Oriental Medicine (KIOM), Daegu 41062, Republic of Korea
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30
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Cowardin CA, Syed S, Iqbal N, Jamil Z, Sadiq K, Iqbal J, Ali SA, Moore SR. Environmental enteric dysfunction: gut and microbiota adaptation in pregnancy and infancy. Nat Rev Gastroenterol Hepatol 2023; 20:223-237. [PMID: 36526906 PMCID: PMC10065936 DOI: 10.1038/s41575-022-00714-7] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 11/16/2022] [Indexed: 03/31/2023]
Abstract
Environmental enteric dysfunction (EED) is a subclinical syndrome of intestinal inflammation, malabsorption and barrier disruption that is highly prevalent in low- and middle-income countries in which poverty, food insecurity and frequent exposure to enteric pathogens impair growth, immunity and neurodevelopment in children. In this Review, we discuss advances in our understanding of EED, intestinal adaptation and the gut microbiome over the 'first 1,000 days' of life, spanning pregnancy and early childhood. Data on maternal EED are emerging, and they mirror earlier findings of increased risks for preterm birth and fetal growth restriction in mothers with either active inflammatory bowel disease or coeliac disease. The intense metabolic demands of pregnancy and lactation drive gut adaptation, including dramatic changes in the composition, function and mother-to-child transmission of the gut microbiota. We urgently need to elucidate the mechanisms by which EED undermines these critical processes so that we can improve global strategies to prevent and reverse intergenerational cycles of undernutrition.
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Affiliation(s)
- Carrie A Cowardin
- Division of Paediatric Gastroenterology, Hepatology and Nutrition, Department of Paediatrics, Child Health Research Center, University of Virginia, Charlottesville, VA, USA
| | - Sana Syed
- Division of Paediatric Gastroenterology, Hepatology and Nutrition, Department of Paediatrics, Child Health Research Center, University of Virginia, Charlottesville, VA, USA
- Department of Paediatrics and Child Health, Aga Khan University, Karachi, Pakistan
| | - Najeeha Iqbal
- Department of Paediatrics and Child Health, Aga Khan University, Karachi, Pakistan
| | - Zehra Jamil
- Department of Paediatrics and Child Health, Aga Khan University, Karachi, Pakistan
| | - Kamran Sadiq
- Department of Paediatrics and Child Health, Aga Khan University, Karachi, Pakistan
| | - Junaid Iqbal
- Department of Paediatrics and Child Health, Aga Khan University, Karachi, Pakistan
| | - Syed Asad Ali
- Department of Paediatrics and Child Health, Aga Khan University, Karachi, Pakistan
| | - Sean R Moore
- Division of Paediatric Gastroenterology, Hepatology and Nutrition, Department of Paediatrics, Child Health Research Center, University of Virginia, Charlottesville, VA, USA.
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31
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Tsutaya T, Mizushima N. Evolutionary biological perspectives on current social issues of breastfeeding and weaning. AMERICAN JOURNAL OF BIOLOGICAL ANTHROPOLOGY 2023. [PMID: 36815441 DOI: 10.1002/ajpa.24710] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Revised: 01/25/2023] [Accepted: 01/29/2023] [Indexed: 02/24/2023]
Abstract
Breastfeeding and weaning are actively studied from evolutionary, medical, and social research perspectives because of their close association with infant mortality, lifetime health, and human population dynamics. Each discipline benefits from an interdisciplinary exchange of knowledge regarding the bases, processes, and consequences of these phenomena. However, current social issues related to breastfeeding and weaning have received little attention from an evolutionary biology perspective. We address this gap by reviewing current social issues related to human breastfeeding and weaning in an evolutionary framework. This approach helps build a conceptual framework with the goal of better understanding ultimate causes of or influences on these current social issues. The six social issues reviewed here fall into three categories: the spatiotemporal constraints of breastfeeding, abuse of breast milk as valuable material, and mismatch in breastfeeding practices. Some of these issues have an evolutionary basis. We analyze the structure of these social issues and discuss their possible solutions in terms of extension of the trade-off theory in evolutionary biology. Our discussion on the current social issues in breastfeeding and weaning highlights the effectiveness of an approach rooted in evolutionary theory and biological anthropology.
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Affiliation(s)
- Takumi Tsutaya
- Department of Evolutionary Studies of Biosystems, Research Center for Integrative Evolutionary Science, The Graduate University for Advanced Studies, Hayama, Kanagawa, Japan.,Globe Institute, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Nozomi Mizushima
- Department of Social System Design, Eikei University of Hiroshima, Naka-ku, Hiroshima, Japan
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Liu C, Gan RY, Chen D, Zheng L, Ng SB, Rietjens IMCM. Gut microbiota-mediated metabolism of green tea catechins and the biological consequences: An updated review. Crit Rev Food Sci Nutr 2023; 64:7067-7084. [PMID: 38975869 DOI: 10.1080/10408398.2023.2180478] [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] [Indexed: 02/24/2023]
Abstract
Multiple beneficial effects have been attributed to green tea catechins (GTCs). However, the bioavailability of GTCs is generally low, with only a small portion directly absorbed in the small intestine. The majority of ingested GTCs reaches the large intestinal lumen, and are extensively degraded via biotransformation by gut microbiota, forming many low-molecular-weight metabolites such as phenyl-γ-valerolactones, phenolic acids, butyrate, and acetate. This process not only improves the overall bioavailability of GTC-derived metabolites but also enriches the biological activities of GTCs. Therefore, the intra- and inter-individual differences in human gut microbiota as well as the resulting biological contribution of microbial metabolites are crucial for the ultimate health benefits. In this review, the microbial degradation of major GTCs was characterized and an overview of the in vitro models used for GTC metabolism was summarized. The intra- and inter-individual differences of human gut microbiota composition and the resulting divergence in the metabolic patterns of GTCs were highlighted. Moreover, the potential beneficial effects of GTCs and their gut microbial metabolites were also discussed. Overall, the microbial metabolites of GTCs with higher bioavailability and bioactive potency are key factors for the observed beneficial effects of GTCs and green tea consumption.
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Affiliation(s)
- Chen Liu
- Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, Sichuan, China
- Division of Toxicology, Wageningen University and Research, Wageningen, the Netherlands
- Tea Refining and Innovation Key Laboratory of Sichuan Province, College of Horticulture, Sichuan Agricultural University, Chengdu, Sichuan, China
| | - Ren-You Gan
- Singapore Institute of Food and Biotechnology Innovation (SIFBI), Agency for Science, Technology and Research (A*STAR), Singapore, Singapore
| | - Daiwen Chen
- Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, Sichuan, China
| | - Liang Zheng
- Division of Toxicology, Wageningen University and Research, Wageningen, the Netherlands
| | - Siew Bee Ng
- Singapore Institute of Food and Biotechnology Innovation (SIFBI), Agency for Science, Technology and Research (A*STAR), Singapore, Singapore
| | - Ivonne M C M Rietjens
- Division of Toxicology, Wageningen University and Research, Wageningen, the Netherlands
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Li R, Zhou Y, Xu Y. Comparative Analysis of Oligosaccharides in Breast Milk and Feces of Breast-Fed Infants by Using LC-QE-HF-MS: A Communication. Nutrients 2023; 15:nu15040888. [PMID: 36839244 PMCID: PMC9963387 DOI: 10.3390/nu15040888] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Revised: 02/03/2023] [Accepted: 02/06/2023] [Indexed: 02/12/2023] Open
Abstract
Currently, it must be acknowledged that little is known about the quantity and make-up of oligosaccharides (OS) found in breast-fed babies' feces as well as their metabolic fate. In the present work, UPLC-QE-HF-MS was successfully adopted to identify the profiles of human milk oligosaccharides (HMOs) in the breast milk of four mothers and fecal OS in the feces of their breast-fed infant. There were significant variations and differences in both number and composition between HMOs and fecal OS. The early-life gastrointestinal microbiota metabolism may be triggered into the advanced breakdown, synthesis, bioconversion, or redesign of HMOs. The fate of HMOs during passage through the gastrointestinal tract may be profoundly informed by the comparison of OS between breast milk and fecal OS profiles. The characterization of fecal OS could be applied as a valuable tool for monitoring the gastrointestinal fate of HMOs and reflecting infant development at different stages of lactation. Further research on the gastrointestinal bioconversion of HMOs profiles is required, including secretor type and the lactation time of milk, as well as baby feeding.
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Affiliation(s)
- Rui Li
- Department of Nutrition and Food Hygiene, School of Public Health, Peking University, No. 38 Xueyuan Road, Beijing 100083, China
- Beijing Key Laboratory of Toxicological Research and Risk Assessment for Food Safety, Peking University, No. 38 Xueyuan Road, Beijing 100083, China
- PKUHSC-China Feihe Joint Research Institute of Nutrition and Healthy Lifespan Development, No. 38 Xueyuan Road, Beijing 100083, China
| | - Yalin Zhou
- Department of Nutrition and Food Hygiene, School of Public Health, Peking University, No. 38 Xueyuan Road, Beijing 100083, China
- Beijing Key Laboratory of Toxicological Research and Risk Assessment for Food Safety, Peking University, No. 38 Xueyuan Road, Beijing 100083, China
| | - Yajun Xu
- Department of Nutrition and Food Hygiene, School of Public Health, Peking University, No. 38 Xueyuan Road, Beijing 100083, China
- Beijing Key Laboratory of Toxicological Research and Risk Assessment for Food Safety, Peking University, No. 38 Xueyuan Road, Beijing 100083, China
- PKUHSC-China Feihe Joint Research Institute of Nutrition and Healthy Lifespan Development, No. 38 Xueyuan Road, Beijing 100083, China
- Correspondence: ; Tel.: +86-010-8280-2552
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Zuurveld M, Ayechu-Muruzabal V, Folkerts G, Garssen J, van‘t Land B, Willemsen LEM. Specific Human Milk Oligosaccharides Differentially Promote Th1 and Regulatory Responses in a CpG-Activated Epithelial/Immune Cell Coculture. Biomolecules 2023; 13:biom13020263. [PMID: 36830632 PMCID: PMC9953370 DOI: 10.3390/biom13020263] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Revised: 01/23/2023] [Accepted: 01/28/2023] [Indexed: 02/01/2023] Open
Abstract
Proper early life immune development creates a basis for a healthy and resilient immune system, which balances immune tolerance and activation. Deviations in neonatal immune maturation can have life-long effects, such as development of allergic diseases. Evidence suggests that human milk oligosaccharides (HMOS) possess immunomodulatory properties essential for neonatal immune maturation. To understand the immunomodulatory properties of enzymatic or bacterial produced HMOS, the effects of five HMOS (2'FL, 3FL, 3'SL, 6'SL and LNnT), present in human milk have been studied. A PBMC immune model, the IEC barrier model and IEC/PBMC transwell coculture models were used, representing critical steps in mucosal immune development. HMOS were applied to IEC cocultured with activated PBMC. In the presence of CpG, 2'FL and 3FL enhanced IFNγ (p < 0.01), IL10 (p < 0.0001) and galectin-9 (p < 0.001) secretion when added to IEC; 2'FL and 3FL decreased Th2 cell development while 3FL enhanced Treg polarization (p < 0.05). IEC were required for this 3FL mediated Treg polarization, which was not explained by epithelial-derived galectin-9, TGFβ nor retinoic acid secretion. The most pronounced immunomodulatory effects, linking to enhanced type 1 and regulatory mediator secretion, were observed for 2'FL and 3FL. Future studies are needed to further understand the complex interplay between HMO and early life mucosal immune development.
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Affiliation(s)
- Marit Zuurveld
- Division of Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Faculty of Science, Utrecht University, 3584 CG Utrecht, The Netherlands
- Correspondence: (M.Z.); (L.E.M.W.)
| | - Veronica Ayechu-Muruzabal
- Division of Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Faculty of Science, Utrecht University, 3584 CG Utrecht, The Netherlands
| | - Gert Folkerts
- Division of Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Faculty of Science, Utrecht University, 3584 CG Utrecht, The Netherlands
| | - Johan Garssen
- Division of Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Faculty of Science, Utrecht University, 3584 CG Utrecht, The Netherlands
- Danone Nutricia Research B.V., 3584 CT Utrecht, The Netherlands
| | - Belinda van‘t Land
- Danone Nutricia Research B.V., 3584 CT Utrecht, The Netherlands
- Center for Translational Immunology, University Medical Center Utrecht, 3584 CX Utrecht, The Netherlands
| | - Linette E. M. Willemsen
- Division of Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Faculty of Science, Utrecht University, 3584 CG Utrecht, The Netherlands
- Correspondence: (M.Z.); (L.E.M.W.)
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35
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Hu M, Li M, Li C, Miao M, Zhang T. Effects of Human Milk Oligosaccharides in Infant Health Based on Gut Microbiota Alteration. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:994-1001. [PMID: 36602115 DOI: 10.1021/acs.jafc.2c05734] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
The primary active components of breast milk are human milk oligosaccharides (HMOs). HMOs provide many benefits to infants, including regulating their metabolism, immune system, and brain development. Recent studies have emphasized that HMOs act as prebiotics by the metabolism of intestinal microorganisms to produce short-chain fatty acids, which are crucial for infant development. In addition, HMOs with different structural characteristics can form different microbial compositions. HMOs-induced predominant microbes, including Bifidobacterium infantis, B. bifidum, B. breve, and B. longum, and their metabolites demonstrated pertinent health-promoting properties. Meanwhile, HMOs could also directly reduce the occurrence of diseases through the effects of preventing pathogen infection. In this review, we address the probable function of HMOs inside the HMOs-gut microbiota-infant network, by describing the physiological functions of HMOs and the implications of diet on the HMOs-gut microbiota-infant network.
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Affiliation(s)
- Miaomiao Hu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Mengli Li
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Chenchen Li
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Ming Miao
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
- International Joint Laboratory on Food Safety, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Tao Zhang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
- International Joint Laboratory on Food Safety, Jiangnan University, Wuxi, Jiangsu 214122, China
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36
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Derrien M, Mikulic N, Uyoga MA, Chenoll E, Climent E, Howard-Varona A, Nyilima S, Stoffel NU, Karanja S, Kottler R, Stahl B, Zimmermann MB, Bourdet-Sicard R. Gut microbiome function and composition in infants from rural Kenya and association with human milk oligosaccharides. Gut Microbes 2023; 15:2178793. [PMID: 36794816 PMCID: PMC9980514 DOI: 10.1080/19490976.2023.2178793] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/17/2023] Open
Abstract
The gut microbiota evolves rapidly after birth, responding dynamically to environmental factors and playing a key role in short- and long-term health. Lifestyle and rurality have been shown to contribute to differences in the gut microbiome, including Bifidobacterium levels, between infants. We studied the composition, function and variability of the gut microbiomes of 6- to 11-month-old Kenyan infants (n = 105). Shotgun metagenomics showed Bifidobacterium longum to be the dominant species. A pangenomic analysis of B. longum in gut metagenomes revealed a high prevalence of B. longum subsp. infantis (B. infantis) in Kenyan infants (80%), and possible co-existence of this subspecies with B. longum subsp. longum. Stratification of the gut microbiome into community (GMC) types revealed differences in composition and functional features. GMC types with a higher prevalence of B. infantis and abundance of B. breve also had a lower pH and a lower abundance of genes encoding pathogenic features. An analysis of human milk oligosaccharides (HMOs) classified the human milk (HM) samples into four groups defined on the basis of secretor and Lewis polymorphisms revealed a higher prevalence of HM group III (Se+, Le-) (22%) than in most previously studied populations, with an enrichment in 2'-fucosyllactose. Our results show that the gut microbiome of partially breastfed Kenyan infants over the age of six months is enriched in bacteria from the Bifidobacterium community, including B. infantis, and that the high prevalence of a specific HM group may indicate a specific HMO-gut microbiome association. This study sheds light on gut microbiome variation in an understudied population with limited exposure to modern microbiome-altering factors.
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Affiliation(s)
- Muriel Derrien
- Advanced Health & Science, Danone Nutricia Research, Palaiseau, France,CONTACT Muriel Derrien Advanced Health & Science, Danone Nutricia Research, Palaiseau, France
| | - Nadja Mikulic
- Laboratory of Human Nutrition, Department of Health Sciences and Technology, ETH Zurich, Switzerland
| | - Mary A Uyoga
- Laboratory of Human Nutrition, Department of Health Sciences and Technology, ETH Zurich, Switzerland
| | - Empar Chenoll
- ADM-Biopolis, ADM, Parc Cientific Universitat de Valencia, Paterna, Valencia, Spain
| | - Eric Climent
- ADM-Biopolis, ADM, Parc Cientific Universitat de Valencia, Paterna, Valencia, Spain
| | - Adrian Howard-Varona
- ADM-Biopolis, ADM, Parc Cientific Universitat de Valencia, Paterna, Valencia, Spain
| | - Suzane Nyilima
- Public and Community Health Department, Jomo Kenyatta University of Agriculture and Technology, Nairobi, Kenya
| | - Nicole U Stoffel
- Laboratory of Human Nutrition, Department of Health Sciences and Technology, ETH Zurich, Switzerland
| | - Simon Karanja
- Public and Community Health Department, Jomo Kenyatta University of Agriculture and Technology, Nairobi, Kenya
| | | | - Bernd Stahl
- Advanced Health & Science, Danone Nutricia Research, Utrecht, The Netherlands,Department of Chemical Biology & Drug Discovery, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Utrecht, The Netherlands
| | - Michael B Zimmermann
- Laboratory of Human Nutrition, Department of Health Sciences and Technology, ETH Zurich, Switzerland
| | - Raphaëlle Bourdet-Sicard
- Advanced Health & Science, Danone Nutricia Research, Palaiseau, France,Raphaëlle Bourdet-Sicard Advanced Health & Science, Danone Nutricia Research, Palaiseau, France
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37
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Kihara AB. Extending maternal nutrition to the neonate: The value of initiation and exclusive breastfeeding. Int J Gynaecol Obstet 2023; 160 Suppl 1:8-9. [PMID: 36635077 DOI: 10.1002/ijgo.14535] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Affiliation(s)
- Anne-Beatrice Kihara
- Department of Obstetrics and Gynecology, Faculty of Health Sciences, University of Nairobi, Nairobi, Kenya.,FIGO, London, UK.,African Federation of Obstetricians and Gynaecologists, Khartoum, Sudan
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Maritan E, Gallo M, Srutkova D, Jelinkova A, Benada O, Kofronova O, Silva-Soares NF, Hudcovic T, Gifford I, Barrick JE, Schwarzer M, Martino ME. Gut microbe Lactiplantibacillus plantarum undergoes different evolutionary trajectories between insects and mammals. BMC Biol 2022; 20:290. [PMID: 36575413 PMCID: PMC9795633 DOI: 10.1186/s12915-022-01477-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Accepted: 11/23/2022] [Indexed: 12/28/2022] Open
Abstract
BACKGROUND Animals form complex symbiotic associations with their gut microbes, whose evolution is determined by an intricate network of host and environmental factors. In many insects, such as Drosophila melanogaster, the microbiome is flexible, environmentally determined, and less diverse than in mammals. In contrast, mammals maintain complex multispecies consortia that are able to colonize and persist in the gastrointestinal tract. Understanding the evolutionary and ecological dynamics of gut microbes in different hosts is challenging. This requires disentangling the ecological factors of selection, determining the timescales over which evolution occurs, and elucidating the architecture of such evolutionary patterns. RESULTS We employ experimental evolution to track the pace of the evolution of a common gut commensal, Lactiplantibacillus plantarum, within invertebrate (Drosophila melanogaster) and vertebrate (Mus musculus) hosts and their respective diets. We show that in Drosophila, the nutritional environment dictates microbial evolution, while the host benefits L. plantarum growth only over short ecological timescales. By contrast, in a mammalian animal model, L. plantarum evolution results to be divergent between the host intestine and its diet, both phenotypically (i.e., host-evolved populations show higher adaptation to the host intestinal environment) and genomically. Here, both the emergence of hypermutators and the high persistence of mutated genes within the host's environment strongly differed from the low variation observed in the host's nutritional environment alone. CONCLUSIONS Our results demonstrate that L. plantarum evolution diverges between insects and mammals. While the symbiosis between Drosophila and L. plantarum is mainly determined by the host diet, in mammals, the host and its intrinsic factors play a critical role in selection and influence both the phenotypic and genomic evolution of its gut microbes, as well as the outcome of their symbiosis.
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Affiliation(s)
- Elisa Maritan
- grid.5608.b0000 0004 1757 3470Department of Comparative Biomedicine and Food Science, University of Padua, Padua, Italy
| | - Marialaura Gallo
- grid.5608.b0000 0004 1757 3470Department of Comparative Biomedicine and Food Science, University of Padua, Padua, Italy
| | - Dagmar Srutkova
- grid.418800.50000 0004 0555 4846Laboratory of Gnotobiology, Institute of Microbiology of the Czech Academy of Sciences, Novy Hradek, Czech Republic
| | - Anna Jelinkova
- grid.418800.50000 0004 0555 4846Laboratory of Gnotobiology, Institute of Microbiology of the Czech Academy of Sciences, Novy Hradek, Czech Republic
| | - Oldrich Benada
- grid.418800.50000 0004 0555 4846Laboratory of Molecular Structure Characterization, Institute of Microbiology of the Czech Academy of Sciences, Prague, Czech Republic
| | - Olga Kofronova
- grid.418800.50000 0004 0555 4846Laboratory of Molecular Structure Characterization, Institute of Microbiology of the Czech Academy of Sciences, Prague, Czech Republic
| | - Nuno F. Silva-Soares
- grid.5608.b0000 0004 1757 3470Department of Comparative Biomedicine and Food Science, University of Padua, Padua, Italy
| | - Tomas Hudcovic
- grid.418800.50000 0004 0555 4846Laboratory of Gnotobiology, Institute of Microbiology of the Czech Academy of Sciences, Novy Hradek, Czech Republic
| | - Isaac Gifford
- grid.89336.370000 0004 1936 9924Department of Molecular Biosciences, The University of Texas at Austin, Austin, TX USA
| | - Jeffrey E. Barrick
- grid.89336.370000 0004 1936 9924Department of Molecular Biosciences, The University of Texas at Austin, Austin, TX USA
| | - Martin Schwarzer
- grid.418800.50000 0004 0555 4846Laboratory of Gnotobiology, Institute of Microbiology of the Czech Academy of Sciences, Novy Hradek, Czech Republic
| | - Maria Elena Martino
- grid.5608.b0000 0004 1757 3470Department of Comparative Biomedicine and Food Science, University of Padua, Padua, Italy
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Human Milk Microbiome and Microbiome-Related Products: Potential Modulators of Infant Growth. Nutrients 2022; 14:nu14235148. [PMID: 36501178 PMCID: PMC9737635 DOI: 10.3390/nu14235148] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Revised: 11/25/2022] [Accepted: 11/30/2022] [Indexed: 12/12/2022] Open
Abstract
Infant growth trajectory may influence later-life obesity. Human milk provides a wide range of nutritional and bioactive components that are vital for infant growth. Compared to formula-fed infants, breastfed infants are less likely to develop later-onset obesity, highlighting the potential role of bioactive components present in human milk. Components of particular interest are the human milk microbiota, human milk oligosaccharides (HMOs), short-chain fatty acids (SCFAs), and antimicrobial proteins, each of which influence the infant gut microbiome, which in turn has been associated with infant body composition. SCFAs and antimicrobial proteins from human milk may also systemically influence infant metabolism. Although inconsistent, multiple studies have reported associations between HMOs and infant growth, while studies on other bioactive components in relation to infant growth are sparse. Moreover, these microbiome-related components may interact with each other within the mammary gland. Here, we review the evidence around the impact of human milk microbes, HMOs, SCFAs, and antimicrobial proteins on infant growth. Breastfeeding is a unique window of opportunity to promote optimal infant growth, with aberrant growth trajectories potentially creating short- and long-term public health burdens. Therefore, it is important to understand how bioactive components of human milk influence infant growth.
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40
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Bhowmik A, Chunhavacharatorn P, Bhargav S, Malhotra A, Sendrayakannan A, Kharkar PS, Nirmal NP, Chauhan A. Human Milk Oligosaccharides as Potential Antibiofilm Agents: A Review. Nutrients 2022; 14:nu14235112. [PMID: 36501142 PMCID: PMC9737902 DOI: 10.3390/nu14235112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Revised: 11/24/2022] [Accepted: 11/27/2022] [Indexed: 12/04/2022] Open
Abstract
Surface-associated bacterial communities called biofilms are ubiquitous in nature. Biofilms are detrimental in medical settings due to their high tolerance to antibiotics and may alter the final pathophysiological outcome of many healthcare-related infections. Several innovative prophylactic and therapeutic strategies targeting specific mechanisms and/or pathways have been discovered and exploited in the clinic. One such emerging and original approach to dealing with biofilms is the use of human milk oligosaccharides (HMOs), which are the third most abundant solid component in human milk after lactose and lipids. HMOs are safe to consume (GRAS status) and act as prebiotics by inducing the growth and colonization of gut microbiota, in addition to strengthening the intestinal epithelial barrier, thereby protecting from pathogens. Moreover, HMOs can disrupt biofilm formation and inhibit the growth of specific microbes. In the present review, we summarize the potential of HMOs as antibacterial and antibiofilm agents and, hence, propose further investigations on using HMOs for new-age therapeutic interventions.
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Affiliation(s)
- Ankurita Bhowmik
- Department of Microbiology, Tripura University, Agartala 799022, India
| | | | - Sharanya Bhargav
- Department of Molecular Biology, Yuvaraja’s College, Mysuru 570005, India
| | - Akshit Malhotra
- Department of Microbiology, Tripura University, Agartala 799022, India
- Invisiobiome, New Delhi 110066, India
| | - Akalya Sendrayakannan
- Department of Food Engineering and Technology, Institute of Chemical Technology (ICT), Nathalal Parekh Marg, Matunga, Mumbai 400019, India
| | - Prashant S. Kharkar
- Department of Pharmaceutical Sciences and Technology, Institute of Chemical Technology (ICT), Nathalal Parekh Marg, Matunga, Mumbai 400019, India
- Correspondence: (P.S.K.); (N.P.N.); (A.C.)
| | - Nilesh Prakash Nirmal
- Institute of Nutrition, Mahidol University, Salaya, Nakhon Pathom 73170, Thailand
- Correspondence: (P.S.K.); (N.P.N.); (A.C.)
| | - Ashwini Chauhan
- Department of Microbiology, Tripura University, Agartala 799022, India
- Correspondence: (P.S.K.); (N.P.N.); (A.C.)
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Zhang W, Vervoort J, Pan J, Gao P, Zhu H, Wang X, Zhang Y, Chen B, Liu Y, Li Y, Pang X, Zhang S, Jiang S, Lu J, Lyu J. Comparison of twelve human milk oligosaccharides in mature milk from different areas in China in the Chinese Human Milk Project (CHMP) study. Food Chem 2022; 395:133554. [PMID: 35830777 DOI: 10.1016/j.foodchem.2022.133554] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Revised: 05/27/2022] [Accepted: 06/20/2022] [Indexed: 12/16/2022]
Abstract
Human milk oligosaccharides (HMOs) act as a vital role in the development of infant's gut microbiome and immune function. This study aimed to measure 12 oligosaccharides in milk from Chinese donors (n = 203), and evaluated the influences of multiple factors on the HMOs profiles. The results indicated that concentrations of 6'-sialyllactose were the highest among 12 oligosaccharides (2.31 ± 0.81 g/L). HMOs concentrations varied depending on geographical location. Latitude was observed to be related to concentrations of Lacto-N-neohexaose, lacto-N-fucopentaose III, 3'-sialyllactose (r = -0.67, r = +0.63 and r = +0.50, respectively). Environmental factors like seasons correlated with lacto-N-difucohexaose Ⅱ, Lacto-N-neohexaose and 2'-fucosyllactose (r = -0.47, r = -0.4, r = -0.35, respectively). Several HMOs concentrations were correlated with maternal diet. As a consequence, the HMOs profiles measured were influenced by geographical, environmental, maternal anthropometric as well as dietary factors.
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Affiliation(s)
- Wenyuan Zhang
- Institute of Food Science and Technology, Chinese Academy of Agricultural Science, Beijing, China; Laboratory of Biochemistry, Wageningen University & Research, Wageningen, The Netherlands
| | - Jacques Vervoort
- Institute of Food Science and Technology, Chinese Academy of Agricultural Science, Beijing, China; Laboratory of Biochemistry, Wageningen University & Research, Wageningen, The Netherlands
| | - Jiancun Pan
- Feihe Research Institute, Heilongjiang Feihe Dairy Co., Ltd, Beijing, China; PKUHSC-China Feihe Joint Research Institute of Nutrition and Healthy Lifespan Development, Xueyuan Road 38, Haidian, Beijing 100083, China
| | - Peng Gao
- Institute of Food Science and Technology, Chinese Academy of Agricultural Science, Beijing, China
| | - Huiquan Zhu
- Institute of Food Science and Technology, Chinese Academy of Agricultural Science, Beijing, China
| | - Xiaodan Wang
- Institute of Food Science and Technology, Chinese Academy of Agricultural Science, Beijing, China
| | - Yumeng Zhang
- Institute of Food Science and Technology, Chinese Academy of Agricultural Science, Beijing, China
| | - Baorong Chen
- Institute of Food Science and Technology, Chinese Academy of Agricultural Science, Beijing, China
| | - Ying Liu
- Feihe Research Institute, Heilongjiang Feihe Dairy Co., Ltd, Beijing, China; PKUHSC-China Feihe Joint Research Institute of Nutrition and Healthy Lifespan Development, Xueyuan Road 38, Haidian, Beijing 100083, China
| | - Yuanyuan Li
- Feihe Research Institute, Heilongjiang Feihe Dairy Co., Ltd, Beijing, China; PKUHSC-China Feihe Joint Research Institute of Nutrition and Healthy Lifespan Development, Xueyuan Road 38, Haidian, Beijing 100083, China
| | - Xiaoyang Pang
- Institute of Food Science and Technology, Chinese Academy of Agricultural Science, Beijing, China
| | - Shuwen Zhang
- Institute of Food Science and Technology, Chinese Academy of Agricultural Science, Beijing, China
| | - Shilong Jiang
- Feihe Research Institute, Heilongjiang Feihe Dairy Co., Ltd, Beijing, China; PKUHSC-China Feihe Joint Research Institute of Nutrition and Healthy Lifespan Development, Xueyuan Road 38, Haidian, Beijing 100083, China.
| | - Jing Lu
- Institute of Food Science and Technology, Chinese Academy of Agricultural Science, Beijing, China; Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Engineering and Technology Research Center for Food Additives, School of Food and Health, Beijing Technology and Business University, Beijing, China.
| | - Jiaping Lyu
- Institute of Food Science and Technology, Chinese Academy of Agricultural Science, Beijing, China.
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42
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Jin L, Bian X, Dong W, Yang R, Jing C, Li X, Yang D, Guo C, Gao W. A Chinese herbs complex ameliorates gut microbiota dysbiosis induced by intermittent cold exposure in female rats. Front Microbiol 2022; 13:1065780. [PMID: 36532488 PMCID: PMC9748289 DOI: 10.3389/fmicb.2022.1065780] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Accepted: 11/14/2022] [Indexed: 11/21/2023] Open
Abstract
Cold is a common source of stress in the alpine areas of northern China. It affects the microbial community, resulting in the invasion of pathogenic microorganisms and intestinal diseases. In recent years, studies have reported that Chinese herbal extracts and their fermentation broth have a significant beneficial effect on gut microbiota. This study aimed to investigate the probiotic effect of a self-designed Chinese herbs complex on the gut microbiota of rats exposed to cold. The rats were treated with intermittent cold exposure and Chinese herbs complex for 14 days, and the gut microbiota composition and other parameters were assayed. The 16s ribosomal DNA high-throughput sequencing and analysis confirmed that the Chinese herbs complex positively improved the gut microbiota. We found that cold exposure could lead to significant changes in the composition of gut microbiota, and affect the intestinal barrier and other physiological functions. The relative abundance of some probiotics in the genus such as Roseburia, Parasutterella, and Elusimicrobium in rats treated with Chinese herbs complex was significantly increased. Serum D-lactic acid (D-LA) and lipopolysaccharide (LPS) were increased in the cold exposure group and decreased in the Chinese herbs complex-treated group. Moreover, the Chinese herbs complex significantly increased the protein expression of occludin. In conclusion, the Chinese herbs complex is effective in restoring the gut microbiota caused by cold exposure, improving the function of the intestinal barrier, and may act as a prebiotic in combatting gut dysbiosis.
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Affiliation(s)
| | | | | | | | | | | | - Danfeng Yang
- Department of Nutrition and Food Hygiene, Institute of Environmental and Operational Medicine, Tianjin, China
| | - Changjiang Guo
- Department of Nutrition and Food Hygiene, Institute of Environmental and Operational Medicine, Tianjin, China
| | - Weina Gao
- Department of Nutrition and Food Hygiene, Institute of Environmental and Operational Medicine, Tianjin, China
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Effect of supplementation with select human milk oligosaccharides on artificially reared newborn rats. Br J Nutr 2022; 128:1906-1916. [PMID: 34963503 DOI: 10.1017/s0007114521005146] [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: 12/29/2022]
Abstract
Early life nutrition fundamentally influences neonatal development and health. Human milk oligosaccharides (HMO) are key components of breast milk but not standard infant formula that support the establishment of the newborn gut microbiota. Using an artificial rearing system, our objective was to test the effect of two HMO on the whole body and organ growth, adiposity, glucose tolerance and faecal microbiota in young rat pups. From postnatal days 4 to 21, Sprague-Dawley rats were randomised to receive one of: (1) CTR (rat milk substitute); (2) 2'FL (CTR + 1·2 g/l 2'-fucosyllactose); (3) 3'SL (CTR + 1·2 g/l 3'-sialyllactose) and (4) 2'FL + 3'SL (CTR + 0·6 g/l 2'-FL + 0·6 g/l 3'-SL). Body weight (BW), bowel movements and food intake were monitored daily, faecal samples collected each week and oral glucose tolerance, body composition and organ weight measured at weaning. No significant differences were observed between groups in growth performance, body composition, organ weight and abundance of dominant faecal microbes. A decreased relative abundance of genus Proteus in week 1 faecal samples and Terrisporobacter in week 3 faecal samples (P < 0·05) was suggestive of a potential pathogen inhibitory effect of 3'SL. Longitudinal changes in the faecal microbiota of artificially reared suckling rats were primarily governed by age (P = 0·001) and not affected by the presence of 2'-FL and/or 3'-SL in rat milk substitutes (P = 0·479). Considering the known protective effects of HMO, further investigation of supplementation with these and other HMO in models of premature birth, extremely low BW or malnutrition may show more pronounced outcomes.
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Mullaney JA, Roy NC, Halliday C, Young W, Altermann E, Kruger MC, Dilger RN, McNabb WC. Effects of early postnatal life nutritional interventions on immune-microbiome interactions in the gastrointestinal tract and implications for brain development and function. Front Microbiol 2022; 13:960492. [PMID: 36504799 PMCID: PMC9726769 DOI: 10.3389/fmicb.2022.960492] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Accepted: 11/01/2022] [Indexed: 11/24/2022] Open
Abstract
The gastrointestinal (GI) microbiota has co-evolved with the host in an intricate relationship for mutual benefit, however, inappropriate development of this relationship can have detrimental effects. The developing GI microbiota plays a vital role during the first 1,000 days of postnatal life, during which occurs parallel development and maturation of the GI tract, immune system, and brain. Several factors such as mode of delivery, gestational age at birth, exposure to antibiotics, host genetics, and nutrition affect the establishment and resultant composition of the GI microbiota, and therefore play a role in shaping host development. Nutrition during the first 1,000 days is considered to have the most potential in shaping microbiota structure and function, influencing its interactions with the immune system in the GI tract and consequent impact on brain development. The importance of the microbiota-GI-brain (MGB) axis is also increasingly recognized for its importance in these developmental changes. This narrative review focuses on the importance of the GI microbiota and the impact of nutrition on MGB axis during the immune system and brain developmental period in early postnatal life of infants.
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Affiliation(s)
- Jane A. Mullaney
- Riddet Institute, Massey University, Palmerston North, New Zealand,AgResearch, Palmerston North, New Zealand,High-Value Nutrition National Science Challenge, Auckland, New Zealand
| | - Nicole C. Roy
- Riddet Institute, Massey University, Palmerston North, New Zealand,High-Value Nutrition National Science Challenge, Auckland, New Zealand,Department of Human Nutrition, University of Otago, Dunedin, New Zealand
| | - Christine Halliday
- Riddet Institute, Massey University, Palmerston North, New Zealand,AgResearch, Palmerston North, New Zealand,School of Food and Advanced Technology, College of Sciences, Massey University, Palmerston North, New Zealand
| | - Wayne Young
- Riddet Institute, Massey University, Palmerston North, New Zealand,AgResearch, Palmerston North, New Zealand,High-Value Nutrition National Science Challenge, Auckland, New Zealand
| | - Eric Altermann
- Riddet Institute, Massey University, Palmerston North, New Zealand,High-Value Nutrition National Science Challenge, Auckland, New Zealand,School of Veterinary Science, Massey University, Palmerston North, New Zealand
| | - Marlena C. Kruger
- School of Health Sciences, College of Health, Massey University, Palmerston North, New Zealand
| | - Ryan N. Dilger
- Department of Animal Sciences, University of Illinois at Urbana-Champaign, Urbana, IL, United States
| | - Warren C. McNabb
- Riddet Institute, Massey University, Palmerston North, New Zealand,High-Value Nutrition National Science Challenge, Auckland, New Zealand,*Correspondence: Warren C. McNabb,
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Hou J, Xiang J, Li D, Liu X, Pan W. Gut microbial response to host metabolic phenotypes. Front Nutr 2022; 9:1019430. [PMID: 36419554 PMCID: PMC9676441 DOI: 10.3389/fnut.2022.1019430] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2022] [Accepted: 10/21/2022] [Indexed: 09/10/2023] Open
Abstract
A large number of studies have proved that biological metabolic phenotypes exist objectively and are gradually recognized by humans. Gut microbes affect the host's metabolic phenotype. They directly or indirectly participate in host metabolism, physiology and immunity through changes in population structure, metabolite differences, signal transduction and gene expression. Obtaining comprehensive information and specific identification factors associated with gut microbiota and host metabolic phenotypes has become the focus of research in the field of gut microbes, and it has become possible to find new and effective ways to prevent or treat host metabolic diseases. In the future, precise treatment of gut microbes will become one of the new therapeutic strategies. This article reviews the content of gut microbes and carbohydrate, amino acid, lipid and nucleic acid metabolic phenotypes, including metabolic intermediates, mechanisms of action, latest research findings and treatment strategies, which will help to understand the relationship between gut microbes and host metabolic phenotypes and the current research status.
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Affiliation(s)
- Jinliang Hou
- College of Animal Science and Technology, Hunan Agricultural University, Changsha, China
| | - Jianguo Xiang
- College of Animal Science and Technology, Hunan Agricultural University, Changsha, China
| | - Deliang Li
- College of Animal Science and Technology, Hunan Agricultural University, Changsha, China
| | - Xinhua Liu
- College of Animal Science and Technology, Hunan Agricultural University, Changsha, China
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Jin W, Lu Y, Li C, Zou M, Chen Q, Nan L, Wei M, Wang C, Huang L, Wang Z. Improved Glycoqueuing Strategy Reveals Novel α2,3-Linked Di-/Tri-Sialylated Oligosaccharide Isomers in Human Milk. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:13996-14004. [PMID: 36278935 DOI: 10.1021/acs.jafc.2c04499] [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: 06/16/2023]
Abstract
Sialylated human milk oligosaccharides (SHMOs) possess unique biological activities. Qualitative and quantitative analyses of SHMOs at different lactation stages are limited by interference from neutral oligosaccharides, glycan structural complexity, and low detection sensitivity. Herein, our previously developed glycoqueuing strategy was improved and applied to enable an isomer-specific quantitative comparison of SHMOs between colostrum milk (CM) and mature milk (MM). A total of 49 putative structures were determined, including 1 α2,6-linked and 13 α2,3-linked isomers separated from seven newly discovered SHMO compositions. The content of most oligosaccharides was more than 50% lower in MM than in CM, and α2,3-sialylation was observed in 43.74% of SHMOs from CM and 22.95% of SHMOs from MM. Finally, the fucosylation level of the SHMOs increased from 16.45 to 22.28% with prolonged lactation. These findings provide the basis for further studies on the structure-activity relationship of SHMOs and a blueprint to improve infant formula.
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Affiliation(s)
- Wanjun Jin
- Shaanxi Natural Carbohydrate Resource Utilization Engineering Research Center, College of Food Science and Technology, Northwest University, Xi'an 710069, China
- College of Life Science, Yuncheng University, Yuncheng 044000, China
| | - Yu Lu
- Shaanxi Natural Carbohydrate Resource Utilization Engineering Research Center, College of Food Science and Technology, Northwest University, Xi'an 710069, China
| | - Cheng Li
- Shaanxi Natural Carbohydrate Resource Utilization Engineering Research Center, College of Food Science and Technology, Northwest University, Xi'an 710069, China
| | - Meiyi Zou
- Shaanxi Natural Carbohydrate Resource Utilization Engineering Research Center, College of Food Science and Technology, Northwest University, Xi'an 710069, China
| | - Qinghui Chen
- Shaanxi Natural Carbohydrate Resource Utilization Engineering Research Center, College of Food Science and Technology, Northwest University, Xi'an 710069, China
| | - Lijing Nan
- Shaanxi Natural Carbohydrate Resource Utilization Engineering Research Center, College of Food Science and Technology, Northwest University, Xi'an 710069, China
| | - Ming Wei
- Shaanxi Natural Carbohydrate Resource Utilization Engineering Research Center, College of Food Science and Technology, Northwest University, Xi'an 710069, China
| | - Chengjian Wang
- Shaanxi Natural Carbohydrate Resource Utilization Engineering Research Center, College of Food Science and Technology, Northwest University, Xi'an 710069, China
| | - Linjuan Huang
- Shaanxi Natural Carbohydrate Resource Utilization Engineering Research Center, College of Food Science and Technology, Northwest University, Xi'an 710069, China
| | - Zhongfu Wang
- Shaanxi Natural Carbohydrate Resource Utilization Engineering Research Center, College of Food Science and Technology, Northwest University, Xi'an 710069, China
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47
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McMillen SA, Dean R, Dihardja E, Ji P, Lönnerdal B. Benefits and Risks of Early Life Iron Supplementation. Nutrients 2022; 14:4380. [PMID: 36297062 PMCID: PMC9608469 DOI: 10.3390/nu14204380] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Revised: 10/16/2022] [Accepted: 10/17/2022] [Indexed: 01/19/2024] Open
Abstract
Infants are frequently supplemented with iron to prevent iron deficiency, but iron supplements may have adverse effects on infant health. Although iron supplements can be highly effective at improving iron status and preventing iron deficiency anemia, iron may adversely affect growth and development, and may increase risk for certain infections. Several reviews exist in this area; however, none has fully summarized all reported outcomes of iron supplementation during infancy. In this review, we summarize the risks and benefits of iron supplementation as they have been reported in controlled studies and in relevant animal models. Additionally, we discuss the mechanisms that may underly beneficial and adverse effects.
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Affiliation(s)
| | | | | | | | - Bo Lönnerdal
- Department of Nutrition, University of California, Davis, CA 95616, USA
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48
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Song ZY, Yuan D, Zhang SX. Role of the microbiome and its metabolites in ankylosing spondylitis. Front Immunol 2022; 13:1010572. [PMID: 36311749 PMCID: PMC9608452 DOI: 10.3389/fimmu.2022.1010572] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Accepted: 09/27/2022] [Indexed: 11/17/2022] Open
Abstract
Ankylosing spondylitis (AS), a chronic condition that commonly influences the spine and sacroiliac joints, usually progresses to stiffness and progressive functional limitation. Its fundamental etiology and pathogenesis are likely multifactorial and remain elusive. As environmental factors, gut microbiota performs critical functions in the pathogenesis of AS through various mechanisms, including interacting with genes, enhancing intestinal permeability, activating the gut mucosa immune system, and affecting the intestinal microbiota metabolites. This review provides an overview of recent advances in investigating gut microbiota in AS pathogenesis and discusses potential methods for future therapeutic intervention.
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Affiliation(s)
- Zi-Yi Song
- Department of Rheumatology, The Second Hospital of Shanxi Medical University, Taiyuan, China
- Key Laboratory of Cellular Physiology at Shanxi Medical University, Ministry of Education, Taiyuan, China
- Shanxi Provincial Key Laboratory of Rheumatism Immune Microecology, The Second Hospital of Shanxi Medical University, Taiyuan, China
| | - Duo Yuan
- Department of Gynecology and Obstetrics, The Second Hospital of Shanxi Medical University, Taiyuan, China
| | - Sheng-Xiao Zhang
- Department of Rheumatology, The Second Hospital of Shanxi Medical University, Taiyuan, China
- Key Laboratory of Cellular Physiology at Shanxi Medical University, Ministry of Education, Taiyuan, China
- Shanxi Provincial Key Laboratory of Rheumatism Immune Microecology, The Second Hospital of Shanxi Medical University, Taiyuan, China
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Yao Q, Gao Y, Fan L, Wang J, Zheng N. 2'-Fucosyllactose Remits Colitis-Induced Liver Oxygen Stress through the Gut-Liver-Metabolites Axis. Nutrients 2022; 14:nu14194186. [PMID: 36235838 PMCID: PMC9572607 DOI: 10.3390/nu14194186] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Revised: 09/26/2022] [Accepted: 09/27/2022] [Indexed: 11/05/2022] Open
Abstract
Liver oxygen stress is one of the main extraintestinal manifestations of colitis and 5% of cases develop into a further liver injury and metabolic disease. 2′-fucosyllactose (2′-FL), a main member of human milk oligosaccharides (HMOs), has been found to exert efficient impacts on remitting colitis. However, whether 2′-FL exerts the function to alleviate colitis-induced liver injury and how 2′-FL influences the metabolism via regulating gut microbiota remain unknown. Herein, in our study, liver oxygen stress was measured by measuring liver weight and oxygen-stress-related indicators. Then, 16S full-length sequencing analysis and non-target metabolome in feces were performed to evaluate the overall responses of metabolites and intestinal bacteria after being treated with 2′-FL (400 mg/kg b.w.) in colitis mice. The results showed that, compared with the control group, the liver weight of colitis mice was significantly decreased by 18.30% (p < 0.05). After 2′-FL treatment, the liver weight was significantly increased by 12.65% compared with colitis mice (p < 0.05). Meanwhile, they exhibited higher levels of oxidation in liver tissue with decreasing total antioxidant capacity (T-AOC) (decreased by 17.15%) and glutathione (GSH) levels (dropped by 22.68%) and an increasing malondialdehyde (MDA) level (increased by 36.24%), and 2′-FL treatment could reverse those tendencies. Full-length 16S rRNA sequencing revealed that there were 39 species/genera differentially enriched in the control, dextran sulphate sodium (DSS), and DSS + 2′-FL groups. After treatment with 2′-FL, the intestinal metabolic patterns, especially glycometabolism and the lipid-metabolism-related process, in DSS mice were strikingly altered with 33 metabolites significantly down-regulated and 26 metabolites up-regulated. Further analysis found DSS induced a 40.01%, 41.12%, 43.81%, and 39.86% decline in acetic acid, propionic acid, butyric acid, and total short chain fatty acids (SCFAs) in colitis mice (all p < 0.05), respectively, while these were up-regulated to different degrees in the DSS + 2′-FL group. By co-analyzing the data of gut microbiota and metabolites, glycometabolism and lipid-metabolism-associated metabolites exhibited strong positive/negative relationships with Akkermansia_muciniphila (all p < 0.01) and Paraprevotella spp. (all p < 0.01), suggesting that the two species might play crucial roles in the process of 2′-FL alleviating colitis-induced liver oxygen stress. In conclusion, in the gut−liver−microbiotas axis, 2′-FL mediated in glucose and lipid-related metabolism and alleviated liver oxygen stress via regulating gut microbiota in the DSS-induced colitis model. The above results provide a new perspective to understand the probiotic function of 2′-FL.
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Affiliation(s)
- Qianqian Yao
- Key Laboratory of Quality & Safety Control for Milk and Dairy Products of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, 2# Yuanmingyuan West Road, Haidian District, Beijing 100193, China
- State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, China
- Gembloux Agro-Bio Tech, University of Liège, B-5030 Gembloux, Belgium
| | - Yanan Gao
- Key Laboratory of Quality & Safety Control for Milk and Dairy Products of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, 2# Yuanmingyuan West Road, Haidian District, Beijing 100193, China
- State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Linlin Fan
- Key Laboratory of Quality & Safety Control for Milk and Dairy Products of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, 2# Yuanmingyuan West Road, Haidian District, Beijing 100193, China
- State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Jiaqi Wang
- Key Laboratory of Quality & Safety Control for Milk and Dairy Products of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, 2# Yuanmingyuan West Road, Haidian District, Beijing 100193, China
- State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Nan Zheng
- Key Laboratory of Quality & Safety Control for Milk and Dairy Products of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, 2# Yuanmingyuan West Road, Haidian District, Beijing 100193, China
- State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, China
- Correspondence: ; Tel.: +86-10-62816069; Fax: +86-10-62897587
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50
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Chen H, Yi B, Qiao Y, Peng K, Zhang J, Li J, Zheng KW, Ning P, Li W. Diversity-scaling analysis of human breast milk microbiomes from population perspective. Front Microbiol 2022; 13:940412. [PMID: 36225365 PMCID: PMC9549050 DOI: 10.3389/fmicb.2022.940412] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Accepted: 07/18/2022] [Indexed: 11/13/2022] Open
Abstract
Quantitative measuring the population-level diversity-scaling of human microbiomes is different from conventional approach to traditional individual-level diversity analysis, and it is of obvious significance. For example, it is well known that individuals are of significant heterogeneity with their microbiome diversities, and the population-level analysis can effectively capture such kind of individual differences. Here we reanalyze a dozen datasets of 2,115 human breast milk microbiome (BMM) samples with diversity-area relationship (DAR) to tackle the previous questions. Our focus on BMM is aimed to offer insights for supplementing the gut microbiome research from nutritional perspective. DAR is an extension to classic species-area relationship, which was discovered in the 19th century and established as one of a handful fundamental laws in community ecology. Our DAR modeling revealed the following numbers, all approximately: (i) The population-level potential diversity of BMM is 1,108 in terms of species richness (number of total species), and 67 in terms of typical species. (ii) On average, an individual carry 17% of population-level diversity in terms of species richness, and 61% in terms of typical species. (iii) The similarity (overlap) between individuals according to pair-wise diversity overlap (PDO) should be approximately 76% in terms of total species, and 92% in terms of typical species, which symbolizes the inter-individual heterogeneity. (iv) The average individual (alpha-) diversity of BMM is approximately 188 (total-species) and 37 (typical-species). (v) To deal with the potential difference among 12 BMM datasets, we conducted DAR modeling separately for each dataset, and then performed permutation tests for DAR parameters. It was found that the DAR scaling parameter that measures inter-individual heterogeneity in diversity is invariant (constant), but the population potential diversity is different among 30% of the pair-wise comparison between 12 BMM datasets. These results offer comprehensive biodiversity analyses of the BMM from host individual, inter-individual, and population level perspectives.
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Affiliation(s)
- Hongju Chen
- College of Mathematics, Honghe University, Mengzi, China
- Computational Biology and Medical Ecology Lab, State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, China
- Kunming College of Life Sciences, University of Chinese Academy of Sciences, Kunming, China
| | - Bin Yi
- College of Mathematics, Honghe University, Mengzi, China
| | - Yuting Qiao
- Computational Biology and Medical Ecology Lab, State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, China
- Kunming College of Life Sciences, University of Chinese Academy of Sciences, Kunming, China
| | - Kunbao Peng
- Department of Endocrinology, Yan’an Hospital of Kunming City, Kunming, China
| | - Jianmei Zhang
- Physiatrics Medicine, Yan’an Hospital of Kunming City, Kunming, China
| | - Jinsong Li
- The Yunnan Red-Cross Hospital, Affiliated Hospital of Yunnan University, Kunming, China
| | - Kun-Wen Zheng
- Department of Neurology, The First People’s Hospital of Yunnan Province, Kunming, China
- Kun-Wen Zheng,
| | - Ping Ning
- Chengdu Women’s and Children’s Central Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
- Ping Ning,
| | - Wendy Li
- Computational Biology and Medical Ecology Lab, State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, China
- Department of Biology, Taiyuan Normal University, Jinzhong, China
- *Correspondence: Wendy Li,
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