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Presta M, Zoratto F, Mulder D, Ottomana AM, Pisa E, Arias Vásquez A, Slattery DA, Glennon JC, Macrì S. Hyperglycemia and cognitive impairments anticipate the onset of an overt type 2 diabetes-like phenotype in TALLYHO/JngJ mice. Psychoneuroendocrinology 2024; 167:107102. [PMID: 38896988 DOI: 10.1016/j.psyneuen.2024.107102] [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] [Received: 02/20/2024] [Revised: 04/30/2024] [Accepted: 06/08/2024] [Indexed: 06/21/2024]
Abstract
Type 2 Diabetes mellitus (T2DM) is a metabolic disorder characterized by chronic hyperglycemia, resulting from deficits in insulin secretion, insulin action, or both. Whilst the role of insulin in the peripheral nervous system has been ascertained in countless studies, its role in the central nervous system (CNS) is emerging only recently. Brain insulin has been lately associated with brain disorders like Alzheimer's disease, obsessive compulsive disorder, and attention deficit hyperactivity disorder. Thus, understanding the role of insulin as a common risk factor for mental and somatic comorbidities may disclose novel preventative and therapeutic approaches. We evaluated general metabolism (glucose tolerance, insulin sensitivity, energy expenditure, lipid metabolism, and polydipsia) and cognitive capabilities (attention, cognitive flexibility, and memory), in adolescent, young adult, and adult male and female TALLYHO/JngJ mice (TH, previously reported to constitute a valid experimental model of T2DM due to impaired insulin signaling). Adult TH mice have also been studied for alterations in gut microbiota diversity and composition. While TH mice exhibited profound deficits in cognitive flexibility and altered glucose metabolism, we observed that these alterations emerged either much earlier (males) or independent of (females) a comprehensive constellation of symptoms, isomorphic to an overt T2DM-like phenotype (insulin resistance, polydipsia, higher energy expenditure, and altered lipid metabolism). We also observed significant sex-dependent alterations in gut microbiota alpha diversity and taxonomy in adult TH mice. Deficits in insulin signaling may represent a common risk factor for both T2DM and CNS-related deficits, which may stem from (partly) independent mechanisms.
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Affiliation(s)
- Martina Presta
- Centre for Behavioural Sciences and Mental Health, Istituto Superiore di Sanità, Rome 00161, Italy; Department of Physiology and Pharmacology, Sapienza University of Rome, Rome 00185, Italy
| | - Francesca Zoratto
- Centre for Behavioural Sciences and Mental Health, Istituto Superiore di Sanità, Rome 00161, Italy
| | - Danique Mulder
- Donders Institute for Brain, Cognition and Behaviour, Departments of Psychiatry and Human Genetics, Radboud University Medical Centre, Nijmegen, the Netherlands
| | - Angela Maria Ottomana
- Centre for Behavioural Sciences and Mental Health, Istituto Superiore di Sanità, Rome 00161, Italy; Neuroscience Unit, Department of Medicine, University of Parma, Parma 43100, Italy
| | - Edoardo Pisa
- Centre for Behavioural Sciences and Mental Health, Istituto Superiore di Sanità, Rome 00161, Italy
| | - Alejandro Arias Vásquez
- Donders Institute for Brain, Cognition and Behaviour, Departments of Psychiatry and Human Genetics, Radboud University Medical Centre, Nijmegen, the Netherlands
| | - David A Slattery
- Department of Psychiatry, Psychosomatic Medicine and Psychotherapy, University Hospital Frankfurt, Frankfurt, Germany
| | - Jeffrey C Glennon
- Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Ireland
| | - Simone Macrì
- Centre for Behavioural Sciences and Mental Health, Istituto Superiore di Sanità, Rome 00161, Italy.
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Lu B, Liao SM, Liang SJ, Li JX, Liu XH, Huang RB, Zhou GP. NMR Studies of the Interactions between Sialyllactoses and the Polysialytransferase Domain for Polysialylation Inhibition. Curr Issues Mol Biol 2024; 46:5682-5700. [PMID: 38921011 PMCID: PMC11201969 DOI: 10.3390/cimb46060340] [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: 03/16/2024] [Revised: 04/30/2024] [Accepted: 05/26/2024] [Indexed: 06/27/2024] Open
Abstract
It is known that sialyllactose (SL) in mammalians is a major source of sialic acid (Sia), which can further form cytidine monophosphate sialic acid (CMP-Sia), and the final product is polysialic acid (polySia) using polysialyltransferases (polySTs) on the neural cell adhesion molecule (NCAM). This process is called NCAM polysialylation. The overexpression of polysialylation is strongly related to cancer cell migration, invasion, and metastasis. In order to inhibit the overexpression of polysialylation, in this study, SL was selected as an inhibitor to test whether polysialylation could be inhibited. Our results suggest that the interactions between the polysialyltransferase domain (PSTD) in polyST and CMP-Siaand the PSTD and polySia could be inhibited when the 3'-sialyllactose (3'-SL) or 6'-sialyllactose (6'-SL) concentration is about 0.5 mM or 6'-SL and 3 mM, respectively. The results also show that SLs (particularly for 3'-SL) are the ideal inhibitors compared with another two inhibitors, low-molecular-weight heparin (LMWH) and cytidine monophosphate (CMP), because 3'-SL can not only be used to inhibit NCAM polysialylation, but is also one of the best supplements for infant formula and the gut health system.
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Affiliation(s)
- Bo Lu
- National Engineering Research Center for Non-Food Biorefinery, Guangxi Academy of Sciences, 98 Daling Road, Nanning 530007, China; (B.L.); (S.-M.L.); (S.-J.L.); (J.-X.L.)
| | - Si-Ming Liao
- National Engineering Research Center for Non-Food Biorefinery, Guangxi Academy of Sciences, 98 Daling Road, Nanning 530007, China; (B.L.); (S.-M.L.); (S.-J.L.); (J.-X.L.)
| | - Shi-Jie Liang
- National Engineering Research Center for Non-Food Biorefinery, Guangxi Academy of Sciences, 98 Daling Road, Nanning 530007, China; (B.L.); (S.-M.L.); (S.-J.L.); (J.-X.L.)
| | - Jian-Xiu Li
- National Engineering Research Center for Non-Food Biorefinery, Guangxi Academy of Sciences, 98 Daling Road, Nanning 530007, China; (B.L.); (S.-M.L.); (S.-J.L.); (J.-X.L.)
| | - Xue-Hui Liu
- Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China;
| | - Ri-Bo Huang
- National Engineering Research Center for Non-Food Biorefinery, Guangxi Academy of Sciences, 98 Daling Road, Nanning 530007, China; (B.L.); (S.-M.L.); (S.-J.L.); (J.-X.L.)
- Life Science and Technology College, Guangxi University, Nanning 530004, China
- Rocky Mount Life Science Institute, Rocky Mount, NC 27804, USA
| | - Guo-Ping Zhou
- National Engineering Research Center for Non-Food Biorefinery, Guangxi Academy of Sciences, 98 Daling Road, Nanning 530007, China; (B.L.); (S.-M.L.); (S.-J.L.); (J.-X.L.)
- Rocky Mount Life Science Institute, Rocky Mount, NC 27804, USA
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3
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Mulinge MM, Abisi HK, Kabahweza HM, Okutoyi L, Wamalwa DC, Nduati RW. The Role of Maternal Secretor Status and Human Milk Oligosaccharides on Early Childhood Development: A Systematic Review and Meta-Analysis. Breastfeed Med 2024; 19:409-424. [PMID: 38577928 DOI: 10.1089/bfm.2023.0274] [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: 04/06/2024]
Abstract
Background: Breast milk is the gold standard of infant nutrition, delivering nutrients and bioactive molecules as needed to support optimal infant growth and cognitive development. Increasing evidence links human milk oligosaccharides (HMOs) to these early childhood development milestones. Aims: To summarize and synthesize the evidence relating to HMOs and infant brain development, physical growth, and cognitive development. In addition, HMO concentrations in secretor and nonsecretor mothers were compared via a meta-analysis. Study Design: A systematic review and meta-analysis were carried out in accordance with the PRISMA statement. This review used three databases (PubMed, Scopus, and Web of Science) and was limited to English-language articles published between 2000 and June 30, 2023. Results: The initial searches yielded 245 articles, 27 of which were included in the systematic review and 12 in the meta-analysis. The meta-analysis revealed a substantial between-study heterogeneity, I2 = 97.3%. The pooled effect was 0.21 (95% CI: -0.41 to 0.83; p = 0.484), indicating that secretors had higher HMO concentrations, although this difference was not statistically significant. At one month of age, 2'FL, 3FL, and 3'SL play an important role in brain maturation and thus play a critical role in cognitive development. Secretors produce higher concentrations of 2'FL and 3'SL, explaining the benefits to infants of secretor mothers. Growth velocity was correlated to fucosylated and sialylated HMO concentrations, with lower concentrations linked to stunting. Conclusions: According to evidence from the systematically reviewed articles, HMOs are essential for a child's early development, but the extent to which they have an impact depends on maternal secretor status.
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Affiliation(s)
- Martin M Mulinge
- Department of Biochemistry, School of Medicine, University of Nairobi, Nairobi, Kenya
| | - Hellen K Abisi
- Department of Biochemistry, School of Medicine, University of Nairobi, Nairobi, Kenya
| | - Hellen M Kabahweza
- Department of Pediatric Hematology & Oncology, Joint Clinical Research Centre, Kampala, Uganda
| | - Lydia Okutoyi
- Department of Health Care Quality, Kenyatta National Hospital, Nairobi, Kenya
| | - Dalton C Wamalwa
- Department of Paediatrics and Child Health, University of Nairobi, Nairobi, Kenya
| | - Ruth W Nduati
- Department of Paediatrics and Child Health, University of Nairobi, Nairobi, Kenya
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Nguyen TLL, Nguyen DV, Heo KS. Potential biological functions and future perspectives of sialylated milk oligosaccharides. Arch Pharm Res 2024; 47:325-340. [PMID: 38561494 DOI: 10.1007/s12272-024-01492-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2024] [Accepted: 03/23/2024] [Indexed: 04/04/2024]
Abstract
Sialyllactoses (SLs) primarily include sialylated human milk oligosaccharides (HMOs) and bovine milk oligosaccharides (BMOs). First, the safety assessment of 3'-sialyllactose (3'-SL) and 6'-sialyllactose (6'-SL) revealed low toxicity in various animal models and human participants. SLs constitute a unique milk component, highlighting the essential nutrients and bioactive components crucial for infant development, along with numerous associated health benefits for various diseases. This review explores the safety, biosynthesis, and potential biological effects of SLs, with a specific focus on their influence across various physiological systems, including the gastrointestinal system, immune disorders, rare genetic disorders (such as GNE myopathy), cancers, neurological disorders, cardiovascular diseases, diverse cancers, and viral infections, thus indicating their therapeutic potential.
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Affiliation(s)
| | - Dung Van Nguyen
- College of Pharmacy, Chungnam National University, Daejeon, South Korea
| | - Kyung-Sun Heo
- College of Pharmacy, Chungnam National University, Daejeon, South Korea.
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Kuntz S, Kunz C, Borsch C, Hill D, Morrin S, Buck R, Rudloff S. Influence of microbially fermented 2´-fucosyllactose on neuronal-like cell activity in an in vitro co-culture system. Front Nutr 2024; 11:1351433. [PMID: 38389793 PMCID: PMC10881714 DOI: 10.3389/fnut.2024.1351433] [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: 12/06/2023] [Accepted: 01/18/2024] [Indexed: 02/24/2024] Open
Abstract
Scope 2´-Fucosyllactose (2´-FL), the most abundant oligosaccharide in human milk, plays an important role in numerous biological functions, including improved learning. It is not clear, however, whether 2´-FL or a cleavage product could influence neuronal cell activity. Thus, we investigated the effects of 2´-FL, its monosaccharide fucose (Fuc), and microbial fermented 2´-FL and Fuc on the parameters of neuronal cell activity in an intestinal-neuronal transwell co-culture system in vitro. Methods Native 13C-labeled 2´-FL and 13C-Fuc or their metabolites, fermented with Bifidobacterium (B.) longum ssp. infantis and B. breve, which were taken from the lag-, log- and stationary (stat-) growth phases of batch cultures, were applied to the apical compartment of the co-culture system with Caco-2 cells representing the intestinal layer and all-trans-retinoic acid-differentiated SH-SY5Y (SH-SY5YATRA) cells mimicking neuronal-like cells. After 3 h of incubation, the culture medium in the basal compartment was monitored for 13C enrichment by using elemental analysis isotope-ratio mass spectrometry (EA-IRMS) and effects on cell viability, plasma, and mitochondrial membrane potential. The neurotransmitter activation (BDNF, GABA, choline, and glutamate) of SH-SY5YATRA cells was also determined. Furthermore, these effects were also measured by the direct application of 13C-2´-FL and 13C-Fuc to SH-SY5YATRA cells. Results While no effects on neuronal-like cell activities were observed after intact 2´-FL or Fuc was incubated with SH-SY5YATRA cells, supernatants from the stat-growth phase of 2´-FL, fermented by B. longum ssp. infantis alone and together with B. breve, significantly induced BDNF release from SH-SY5YATRA cells. No such effects were found for 2´-FL, Fuc, or their fermentation products from B. breve. The BDNF release occurred from an enhanced vesicular release, which was confirmed by the use of the Ca2+-channel blocker verapamil. Concomitant with this event, 13C enrichment was also observed in the basal compartment when supernatants from the stat-growth phase of fermentation by B. longum ssp. infantis alone or together with B. breve were used. Conclusion The results obtained in this study suggest that microbial products of 2´-FL rather than the oligosaccharide itself may influence neuronal cell activities.
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Affiliation(s)
- Sabine Kuntz
- Department of Nutritional Science, Justus Liebig University Giessen, Giessen, Germany
| | - Clemens Kunz
- Department of Nutritional Science, Justus Liebig University Giessen, Giessen, Germany
| | - Christian Borsch
- Department of Nutritional Science, Justus Liebig University Giessen, Giessen, Germany
| | - David Hill
- Abbott, Nutrition Division, Columbus, OH, United States
| | - Sinéad Morrin
- Abbott, Nutrition Division, Columbus, OH, United States
| | - Rachael Buck
- Abbott, Nutrition Division, Columbus, OH, United States
| | - Silvia Rudloff
- Department of Nutritional Science, Justus Liebig University Giessen, Giessen, Germany
- Department of Pediatrics, Justus Liebig University Giessen, Giessen, Germany
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Golden RK, Sutkus LT, Donovan SM, Dilger RN. Dietary supplementation of 3'-sialyllactose or 6'-sialyllactose elicits minimal influence on cognitive and brain development in growing pigs. Front Behav Neurosci 2024; 17:1337897. [PMID: 38268796 PMCID: PMC10806065 DOI: 10.3389/fnbeh.2023.1337897] [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: 11/13/2023] [Accepted: 12/21/2023] [Indexed: 01/26/2024] Open
Abstract
Sialylated human milk oligosaccharides (HMO), such as 3'-sialyllactose (3'-SL) and 6'-sialyllactose (6'-SL), are abundant throughout lactation and at much higher concentrations than are present in bovine milk or infant formulas. Previous studies have suggested that sialylated HMO may have neurocognitive benefits in early life. Recent research has focused on infant formula supplementation with key nutrients and bioactives to narrow the developmental gap between formula-fed and breastfed infants. Herein, we investigated the impact of supplemental 3'-SL or 6'-SL on cognitive and brain development at two time-points [postnatal days (PND) 33 and 61]. Two-day-old piglets (N = 75) were randomly assigned to commercial milk replacer ad libitum without or with 3'-SL or 6'-SL (added in a powdered form at a rate of 0.2673% on an as-is weight basis). Cognitive development was assessed via novel object recognition and results were not significant at both time-points (p > 0.05). Magnetic resonance imaging was used to assess structural brain development. Results varied between scan type, diet, and time-point. A main effect of diet was observed for absolute volume of white matter and 9 other regions of interest (ROI), as well as for relative volume of the pons on PND 30 (p < 0.05). Similar effects were observed on PND 58. Diffusion tensor imaging indicated minimal differences on PND 30 (p > 0.05). However, several dietary differences across the diffusion outcomes were observed on PND 58 (p < 0.05) indicating dietary impacts on brain microstructure. Minimal dietary differences were observed from myelin water fraction imaging at either time-point. Overall, sialyllactose supplementation had no effects on learning and memory as assessed by novel object recognition, but may influence temporally-dependent aspects of brain development.
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Affiliation(s)
- Rebecca K. Golden
- Neuroscience Program, University of Illinois, Urbana, IL, United States
| | - Loretta T. Sutkus
- Neuroscience Program, University of Illinois, Urbana, IL, United States
| | - Sharon M. Donovan
- Department of Food Science and Human Nutrition, University of Illinois, Urbana, IL, United States
- Division of Nutritional Sciences, University of Illinois, Urbana, IL, United States
| | - Ryan N. Dilger
- Neuroscience Program, University of Illinois, Urbana, IL, United States
- Division of Nutritional Sciences, University of Illinois, Urbana, IL, United States
- Department of Animal Sciences, University of Illinois, Urbana, IL, United States
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7
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Kijner S, Ennis D, Shmorak S, Florentin A, Yassour M. CRISPR-Cas-based identification of a sialylated human milk oligosaccharides utilization cluster in the infant gut commensal Bacteroides dorei. Nat Commun 2024; 15:105. [PMID: 38167825 PMCID: PMC10761964 DOI: 10.1038/s41467-023-44437-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: 04/24/2023] [Accepted: 12/13/2023] [Indexed: 01/05/2024] Open
Abstract
The infant gut microbiome is impacted by early-life feeding, as human milk oligosaccharides (HMOs) found in breastmilk cannot be digested by infants and serve as nutrients for their gut bacteria. While the vast majority of HMO-utilization research has focused on Bifidobacterium species, recent studies have suggested additional HMO-utilizers, mostly Bacteroides, yet their utilization mechanism is poorly characterized. Here, we investigate Bacteroides dorei isolates from breastfed-infants and identify that polysaccharide utilization locus (PUL) 33 enables B. dorei to utilize sialylated HMOs. We perform transcriptional profiling and identity upregulated genes when growing on sialylated HMOs. Using CRISPR-Cas12 to knock-out four PUL33 genes, combined with complementation assays, we identify GH33 as the critical gene in PUL33 for sialylated HMO-utilization. This demonstration of an HMO-utilization system by Bacteroides species isolated from infants opens the way to further characterization of additional such systems, to better understand HMO-utilization in the infant gut.
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Affiliation(s)
- Sivan Kijner
- Microbiology & Molecular Genetics Department, Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem, Israel
| | - 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
| | - Anat Florentin
- Microbiology & Molecular Genetics Department, Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem, Israel
- The Kuvin Center for the Study of Infectious and Tropical Diseases, Institute for Medical Research Israel-Canada, Faculty of Medicine, 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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Wang Y, Rui B, Ze X, Liu Y, Yu D, Liu Y, Li Z, Xi Y, Ning X, Lei Z, Yuan J, Li L, Zhang X, Li W, Deng Y, Yan J, Li M. Sialic acid-based probiotic intervention in lactating mothers improves the neonatal gut microbiota and immune responses by regulating sialylated milk oligosaccharide synthesis via the gut-breast axis. Gut Microbes 2024; 16:2334967. [PMID: 38630006 PMCID: PMC11028031 DOI: 10.1080/19490976.2024.2334967] [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] [Received: 07/05/2023] [Accepted: 03/21/2024] [Indexed: 04/19/2024] Open
Abstract
Human milk oligosaccharides (HMOs) are vital milk carbohydrates that help promote the microbiota-dependent growth and immunity of infants. Sialic acid (SA) is a crucial component of sialylated milk oligosaccharides (S-MOs); however, the effects of SA supplementation in lactating mothers on S-MO biosynthesis and their breastfed infants are unknown. Probiotic intervention during pregnancy or lactation demonstrates promise for modulating the milk glycobiome. Here, we evaluated whether SA and a probiotic (Pro) mixture could increase S-MO synthesis in lactating mothers and promote the microbiota development of their breastfed neonates. The results showed that SA+Pro intervention modulated the gut microbiota and 6'-SL contents in milk of maternal rats more than the SA intervention, which promoted Lactobacillus reuteri colonization in neonates and immune development. Deficient 6'-SL in the maternal rat milk of St6gal1 knockouts (St6gal1-/-) disturbed intestinal microbial structures in their offspring, thereby impeding immune tolerance development. SA+Pro intervention in lactating St6gal1± rats compromised the allergic responses of neonates by promoting 6'-SL synthesis and the neonatal gut microbiota. Our findings from human mammary epithelial cells (MCF-10A) indicated that the GPR41-PI3K-Akt-PPAR pathway helped regulate 6'-SL synthesis in mammary glands after SA+Pro intervention through the gut - breast axis. We further validated our findings using a human-cohort study, confirming that providing SA+Pro to lactating Chinese mothers increased S-MO contents in their breast milk and promoted gut Bifidobacterium spp. and Lactobacillus spp. colonization in infants, which may help enhance immune responses. Collectively, our findings may help alter the routine supplementation practices of lactating mothers to modulate milk HMOs and promote the development of early-life gut microbiota and immunity.
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Affiliation(s)
- Yushuang Wang
- Department of Microecology, College of Basic Medical Science, Dalian Medical University, Dalian, China
- Department of Clinical Laboratory, Central Hospital of Dalian University of Technology, Dalian, China
| | - Binqi Rui
- Department of Microecology, College of Basic Medical Science, Dalian Medical University, Dalian, China
| | - Xiaolei Ze
- Microbiome Research and Application Center, BYHEALTH Institute of Nutrition & Health, Guangzhou, China
| | - Yujia Liu
- Department of Microecology, College of Basic Medical Science, Dalian Medical University, Dalian, China
| | - Da Yu
- The Third Ward of Obstetrics and Gynecology at Chunliu District, Dalian Women and Children Medical Center (Group), Dalian, China
| | - Yinhui Liu
- Department of Microecology, College of Basic Medical Science, Dalian Medical University, Dalian, China
| | - Zhi Li
- Department of Clinical Laboratory, Central Hospital of Dalian University of Technology, Dalian, China
| | - Yu Xi
- Microbiome Research and Application Center, BYHEALTH Institute of Nutrition & Health, Guangzhou, China
| | - Xixi Ning
- 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
| | - Jieli Yuan
- Department of Microecology, College of Basic Medical Science, Dalian Medical University, Dalian, China
| | - Liang Li
- Microbiome Research and Application Center, BYHEALTH Institute of Nutrition & Health, Guangzhou, China
| | - Xuguang Zhang
- Microbiome Research and Application Center, BYHEALTH Institute of Nutrition & Health, Guangzhou, China
| | - Wenzhe Li
- Guangdong Provincial Key Laboratory of Infectious Diseases and Molecular Immunopathology, Shantou University Medical College, Shantou, China
| | - Yanjie Deng
- The Third Ward of Obstetrics and Gynecology at Chunliu District, Dalian Women and Children Medical Center (Group), Dalian, China
| | - Jingyu Yan
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences Key Laboratory of Separation Science for Analytical Chemistry, Dalian, China
| | - Ming Li
- Department of Microecology, College of Basic Medical Science, Dalian Medical University, Dalian, China
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9
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Li D, Lin Q, Luo F, Wang H. Insights into the Structure, Metabolism, Biological Functions and Molecular Mechanisms of Sialic Acid: A Review. Foods 2023; 13:145. [PMID: 38201173 PMCID: PMC10779236 DOI: 10.3390/foods13010145] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Revised: 12/18/2023] [Accepted: 12/26/2023] [Indexed: 01/12/2024] Open
Abstract
Sialic acid (SA) is a kind of functional monosaccharide which exists widely in edible bird's nest (EBN), milk, meat, mucous membrane surface, etc. SA is an important functional component in promoting brain development, anti-oxidation, anti-inflammation, anti-virus, anti-tumor and immune regulation. The intestinal mucosa covers the microbial community that has a significant impact on health. In the gut, SA can also regulate gut microbiota and metabolites, participating in different biological functions. The structure, source and physiological functions of SA were reviewed in this paper. The biological functions of SA through regulating key signaling pathways and target genes were discussed. In summary, SA can modulate gut microbiota and metabolites, which affect gene expressions and exert its biological activities. It is helpful to provide scientific reference for the further investigation of SA in the functional foods.
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Affiliation(s)
- Dan Li
- Hunan Key Laboratory of Grain-Oil Deep Process and Quality Control, Hunan Key Laboratory of Processed Food for Special Medical Purpose, National Engineering Laboratory for Deep Process of Rice and Byproducts, College of Food Science and Engineering, Central South University of Forestry and Technology, Changsha 410004, China;
- Hunan Engineering Research Center of Full Life-Cycle Energy-Efficient Buildings and Environmental Health, School of Civil Engineering, Central South University of Forestry and Technology, Changsha 410004, China
| | - Qinlu Lin
- Hunan Key Laboratory of Grain-Oil Deep Process and Quality Control, Hunan Key Laboratory of Processed Food for Special Medical Purpose, National Engineering Laboratory for Deep Process of Rice and Byproducts, College of Food Science and Engineering, Central South University of Forestry and Technology, Changsha 410004, China;
| | - Feijun Luo
- Hunan Key Laboratory of Grain-Oil Deep Process and Quality Control, Hunan Key Laboratory of Processed Food for Special Medical Purpose, National Engineering Laboratory for Deep Process of Rice and Byproducts, College of Food Science and Engineering, Central South University of Forestry and Technology, Changsha 410004, China;
| | - Hanqing Wang
- Hunan Engineering Research Center of Full Life-Cycle Energy-Efficient Buildings and Environmental Health, School of Civil Engineering, Central South University of Forestry and Technology, Changsha 410004, China
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10
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Qu Z, Tian P, Wang L, Jin X, Guo M, Lu J, Zhao J, Chen W, Wang G. Dietary Nucleotides Promote Neonatal Rat Microbiota-Gut-Brain Axis Development by Affecting Gut Microbiota Composition and Metabolic Function. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:19622-19637. [PMID: 38014964 DOI: 10.1021/acs.jafc.3c07349] [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: 11/29/2023]
Abstract
A variety of active factors in milk and foods have been proven to serve as microbial nutrients that regulate the formation of early gut microbiota (GM), thereby ensuring the healthy development of infants. This study demonstrated that dietary nucleotides (NTs), one of the main nitrogen-containing substances in human milk, promoted the neurodevelopment of neonatal rats and the expression of Sox2, Dcx, Tuj1, and NeuN in the prefrontal cortex and hippocampus, but had no significant regulatory effects in the striatum. 16s rRNA sequencing and metabolomics of the colon contents of neonatal rats at different developmental stages showed that the early intake of NTs promoted an increase in the abundance of beneficial microorganisms related to neurodevelopment, digestion, and gut absorption, such as g_Romboutsia and g_Akkermansia. Changes in the ability of the GM to regulate folate synthesis, riboflavin metabolism, and other processes were also observed. Further analysis revealed significant correlations between the level of characteristic metabolites, namely, trans-3-indoleacrylic acid, urocanic acid, inosine, and adenosine, in the gut with neurodevelopment and characteristic GM components. These findings suggest that NTs in milk may affect neurodevelopment and maturation in early life by regulating the GM composition-gut-brain axis.
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Affiliation(s)
- Zhihao Qu
- 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
| | - Peijun Tian
- 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
- National Engineering Research Center for Functional Food, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Linlin Wang
- 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
- National Engineering Research Center for Functional Food, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Xing Jin
- 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
- National Engineering Research Center for Functional Food, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Min Guo
- 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
- National Engineering Research Center for Functional Food, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Jingyu Lu
- 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
- National Engineering Research Center for Functional Food, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Jianxin Zhao
- 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
- National Engineering Research Center for Functional Food, Jiangnan University, Wuxi, Jiangsu 214122, China
- (Yangzhou) Institute of Food Biotechnology, Jiangnan University, Yangzhou 225004, China
| | - Wei Chen
- 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
- National Engineering Research Center for Functional Food, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Gang Wang
- 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
- National Engineering Research Center for Functional Food, Jiangnan University, Wuxi, Jiangsu 214122, China
- (Yangzhou) Institute of Food Biotechnology, Jiangnan University, Yangzhou 225004, China
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11
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Rajhans P, Mainardi F, Austin S, Sprenger N, Deoni S, Hauser J, Schneider N. The Role of Human Milk Oligosaccharides in Myelination, Socio-Emotional and Language Development: Observational Data from Breast-Fed Infants in the United States of America. Nutrients 2023; 15:4624. [PMID: 37960278 PMCID: PMC10649431 DOI: 10.3390/nu15214624] [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: 09/25/2023] [Revised: 10/20/2023] [Accepted: 10/23/2023] [Indexed: 11/15/2023] Open
Abstract
Infancy is a critical period for neurodevelopment, which includes myelination, synaptogenesis, synaptic pruning, and the development of motor, social-emotional, and cognitive functions. Human milk provides essential nutrients to the infant's developing brain, especially during the first postnatal months. Human milk oligosaccharides (HMOs) are a major component of human milk, and there is growing evidence of the association of individual HMOs with cognitive development in early life. However, to our knowledge, no study has explained these associations with a mechanism of action. Here, we investigated possible mediating associations between HMOs in human milk, brain myelination (measured via myelin water fraction), and measures of motor, language (collected via the Bayley Scales of Infant and Toddler Development (Bayley-III)), and socioemotional development (collected via the Ages and Stages Questionnaire: Social-Emotional Version (ASQ-SE)) in healthy term-born breast-fed infants. The results revealed an association between 6'Sialyllactose and social skills that was mediated by myelination. Furthermore, associations of fucosylated HMOs with language outcomes were observed that were not mediated by myelination. These observations indicate the roles of specific HMOs in neurodevelopment and associated functional outcomes, such as social-emotional function and language development.
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Affiliation(s)
- Purva Rajhans
- Brain Health Department, Nestlé Institute of Health Sciences, Nestlé Research, Société des Produits Nestlé S.A., Vers-chez-les-Blanc, 1000 Lausanne, Switzerland; (J.H.); (N.S.)
| | - Fabio Mainardi
- Department of Data Sciences & Precision Nutrition, Nestlé Institute of Health Sciences, Nestlé Research, Société des Produits Nestlé S.A., Vers-chez-les-Blanc, 1000 Lausanne, Switzerland;
| | - Sean Austin
- Nestlé Institute of Food Safety and Analytical Sciences, Nestlé Research, Société des Produits Nestlé S.A., Vers-chez-les-Blanc, 1000 Lausanne, Switzerland;
| | - Norbert Sprenger
- Gastro-Intestinal Health Department, Nestlé Institute of Health Sciences, Nestlé Research, Société des Produits Nestlé S.A., Vers-chez-les-Blanc, 1000 Lausanne, Switzerland;
| | - Sean Deoni
- Advanced Baby Imaging Lab, Rhode Island Hospital, Providence, RI 02912, USA;
- Department of Radiology, Warren Alpert Medical School at Brown University, Providence, RI 02903, USA
- Spinn Neuroscience, Seattle, WA 98275, USA
| | - Jonas Hauser
- Brain Health Department, Nestlé Institute of Health Sciences, Nestlé Research, Société des Produits Nestlé S.A., Vers-chez-les-Blanc, 1000 Lausanne, Switzerland; (J.H.); (N.S.)
| | - Nora Schneider
- Brain Health Department, Nestlé Institute of Health Sciences, Nestlé Research, Société des Produits Nestlé S.A., Vers-chez-les-Blanc, 1000 Lausanne, Switzerland; (J.H.); (N.S.)
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12
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Golden RK, Sutkus LT, Bauer LL, Donovan SM, Dilger RN. Determining the safety and efficacy of dietary supplementation with 3'-sialyllactose or 6'-sialyllactose on growth, tolerance, and brain sialic acid concentrations. Front Nutr 2023; 10:1278804. [PMID: 37927504 PMCID: PMC10620723 DOI: 10.3389/fnut.2023.1278804] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Accepted: 09/26/2023] [Indexed: 11/07/2023] Open
Abstract
Sialylated oligosaccharides, including 3'-sialyllactose (3'-SL) and 6'-sialyllactose (6'-SL), comprise a large portion of human milk and have been known to support development over the first year of life. While research has investigated the impact of early-life supplementation, longer-term supplementation remains relatively unexplored. Consequently, the following study assesses the impact of supplementation of either 3'-SL or 6'-SL on growth performance, tolerance, and brain sialic acid concentrations. Two-day-old piglets (n = 75) were randomly assigned to a commercial milk replacer ad libitum without or with 3'-SL or 6'-SL (added at 0.2673% on an as-is basis). Daily body weight and feed disappearance were recorded to assess growth performance and tolerance. Pigs were euthanized for sample collection on postnatal day 33 (n = 30) or 61 (n = 33), respectively. Across growth performance, clinical chemistry and hematology, histomorphology, and sialic acid quantification, dietary differences were largely unremarkable at either time-point. Overall, SA was well-tolerated both short-term and long-term.
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Affiliation(s)
- Rebecca K. Golden
- Neuroscience Program, University of Illinois, Urbana, IL, United States
| | - Loretta T. Sutkus
- Neuroscience Program, University of Illinois, Urbana, IL, United States
| | - Laura L. Bauer
- Department of Animal Sciences, University of Illinois, Urbana, IL, United States
| | - Sharon M. Donovan
- Department of Food Science and Human Nutrition, University of Illinois, Urbana, IL, United States
- Division of Nutritional Sciences, University of Illinois, Urbana, IL, United States
| | - Ryan N. Dilger
- Neuroscience Program, University of Illinois, Urbana, IL, United States
- Department of Animal Sciences, University of Illinois, Urbana, IL, United States
- Division of Nutritional Sciences, University of Illinois, Urbana, IL, United States
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13
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Zoratto F, Pisa E, Soldati C, Barezzi C, Ottomana AM, Presta M, Santangelo V, Macrì S. Automation at the service of the study of executive functions in preclinical models. Sci Rep 2023; 13:16890. [PMID: 37803045 PMCID: PMC10558442 DOI: 10.1038/s41598-023-43631-8] [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: 05/31/2023] [Accepted: 09/26/2023] [Indexed: 10/08/2023] Open
Abstract
Cognitive flexibility involves the capability to switch between different perspectives and implement novel strategies upon changed circumstances. The Wisconsin Card Sorting Test (in humans) and the Attentional Set-Shifting Task (ASST, in rodents) evaluate individual capability to acquire a reward-associated rule and subsequently disregard it in favour of a new one. Both tasks entail consecutive stages wherein subjects discriminate between: two stimuli of a given category (simple discrimination, SD); the stimuli of SD confounded by an irrelevant stimulus of a different category (compound discrimination, CD); different stimuli belonging to the SD category (intradimensional shift, IDS); and two stimuli of the confounding category (extradimensional shift, EDS). The ASST is labour intensive, not sufficiently standardised, and prone to experimental error. Here, we tested the validity of a new, commercially available, automated version of ASST (OPERON) in two independent experiments conducted in: different mouse strains (C57BL/6 and CD1 mice) to confirm their differential cognitive capabilities (Experiment 1); and an experimental model of chronic stress (administration of corticosterone in the drinking water; Experiment 2). In both experiments, OPERON confirmed the findings obtained through the manual version. Just as in Experiment 1 both versions captured the deficit of C57BL/6 mice on the reversal of the CD (CDR), so also in Experiment 2 they provided analogous evidence that corticosterone treated mice have a remarkable impairment in the IDS. Thus, OPERON capitalises upon automated phenotyping to overcome the limitation of the manual version of the ASST while providing comparable results.
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Affiliation(s)
- Francesca Zoratto
- Centre for Behavioural Sciences and Mental Health, Istituto Superiore di Sanità, Rome, Italy
| | - Edoardo Pisa
- Centre for Behavioural Sciences and Mental Health, Istituto Superiore di Sanità, Rome, Italy
| | - Claudia Soldati
- Centre for Behavioural Sciences and Mental Health, Istituto Superiore di Sanità, Rome, Italy
| | - Caterina Barezzi
- Centre for Behavioural Sciences and Mental Health, Istituto Superiore di Sanità, Rome, Italy
| | - Angela Maria Ottomana
- Centre for Behavioural Sciences and Mental Health, Istituto Superiore di Sanità, Rome, Italy
- Neuroscience Unit, Department of Medicine, University of Parma, Parma, Italy
| | - Martina Presta
- Centre for Behavioural Sciences and Mental Health, Istituto Superiore di Sanità, Rome, Italy
- Department of Physiology and Pharmacology "Vittorio Erspamer", "Sapienza" University of Rome, Rome, Italy
| | - Valerio Santangelo
- Department of Philosophy, Social Sciences and Education, University of Perugia, Perugia, Italy
- Functional Neuroimaging Laboratory, IRCCS Santa Lucia Foundation, Rome, Italy
| | - Simone Macrì
- Centre for Behavioural Sciences and Mental Health, Istituto Superiore di Sanità, Rome, Italy.
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14
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Huang C, Wang R, Wang Y, Liu H, Chen XT, Gu X, Wang HL. Sialic Acid Enhanced the Antistress Capability under Challenging Situations by Increasing Synaptic Transmission. J Nutr 2023; 153:2561-2570. [PMID: 37543214 DOI: 10.1016/j.tjnut.2023.08.006] [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: 07/24/2023] [Accepted: 08/02/2023] [Indexed: 08/07/2023] Open
Abstract
BACKGROUND In early life, sialic acid (SA) plays a crucial role in neurodevelopment and neuronal function. However, it remains unclear whether and how SA supplementation in early life promotes behavioral response to stress in adolescence. OBJECTIVES This study aimed to examine the effects and mechanisms of SA on the antistress capability under challenging situations. METHODS In this study, C57BL/6 mice were daily supplemented with 1 μL SA solution/g body weight at the dose of 10 mg/kg/d from postnatal day (PND) 5-45. The antistress behaviors, including open field, elevated plus maze, forced swimming test, and tail suspension test, were performed at PND 46, PND 48, PND 50, and PND 52 to detect the antistress ability of SA, respectively. RESULTS Our results showed that SA-treated mice were more active in facing challenging situations. The fiber photometry experiment showed that SA promoted the excitatory neuronal response in the medial prefrontal cortex (mPFC), which was extensively interconnected to stress. Besides, electrophysiological results revealed SA enhanced synaptic transmission rather than neuronal excitability of mPFC excitatory neurons. It was also supported by the increasing spine density of mPFC excitatory neurons. At the molecular amount, the SA elevated the transmitter release-related proteins of mPFC, including Synapsin 1 and vesicular glutamate transporter 1 (VGlut 1). Furthermore, SA supplementation enhanced synaptic transmission mainly by altering the kinetics of synaptic transmission. CONCLUSIONS The SA supplementation enhanced the response capability to stress under challenging situations, and the enhanced synaptic transmission of mPFC excitatory neurons may be the neurological basis of active response under challenging situations. In general, our findings suggested that SA supplementation in early life can promote stress resistance in adolescence.
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Affiliation(s)
- Chengqing Huang
- Engineering Research Center of Bio-process, Ministry of Education, Hefei University of Technology, Hefei, Anhui, People's Republic of China; School of Food and Biological Engineering, Hefei University of Technology, Hefei, Anhui, People's Republic of China
| | - Rongrong Wang
- Engineering Research Center of Bio-process, Ministry of Education, Hefei University of Technology, Hefei, Anhui, People's Republic of China; School of Food and Biological Engineering, Hefei University of Technology, Hefei, Anhui, People's Republic of China
| | - Yi Wang
- School of Pharmacy, Anhui Medical University, Hefei, Anhui, People's Republic of China
| | - Haoyu Liu
- School of Pharmacy, Anhui Medical University, Hefei, Anhui, People's Republic of China
| | - Xiang-Tao Chen
- School of Pharmacy, Anhui Medical University, Hefei, Anhui, People's Republic of China
| | - Xiaozhen Gu
- Engineering Research Center of Bio-process, Ministry of Education, Hefei University of Technology, Hefei, Anhui, People's Republic of China; School of Food and Biological Engineering, Hefei University of Technology, Hefei, Anhui, People's Republic of China.
| | - Hui-Li Wang
- Engineering Research Center of Bio-process, Ministry of Education, Hefei University of Technology, Hefei, Anhui, People's Republic of China; School of Food and Biological Engineering, Hefei University of Technology, Hefei, Anhui, People's Republic of China.
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15
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Kanellopoulos AK, Costello S, Mainardi F, Koshibu K, Deoni S, Schneider N. Dynamic Interplay between Social Brain Development and Nutrient Intake in Young Children. Nutrients 2023; 15:3754. [PMID: 37686785 PMCID: PMC10490067 DOI: 10.3390/nu15173754] [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: 07/11/2023] [Revised: 08/21/2023] [Accepted: 08/24/2023] [Indexed: 09/10/2023] Open
Abstract
Myelination of the brain structures underlying social behavior in humans is a dynamic process that parallels the emergence of social-emotional development and social skills in early life. Of the many genetic and environmental factors regulating the myelination processes, nutrition is considered as a critical and modifiable early-life factor for establishing healthy social brain networks. However, the impact of nutrition on the longitudinal development of social brain myelination remains to be fully understood. This study examined the interplay between childhood nutrient intake and social brain development across the first 5 years of life. Myelin-sensitive neuroimaging and food-intake data were analyzed in 293 children, 0.5 to 5 years of age, and explored for dynamic patterns of nutrient-social brain myelin associations. We found three data-driven age windows with specific nutrient correlation patterns, 63 individual nutrient-myelin correlations, and six nutrient combinations with a statistically significant predictive value for social brain myelination. These results provide novel insights into the impact of specific nutrient intakes on early brain development, in particular social brain regions, and suggest a critical age-sensitive opportunity to impact these brain regions for potential longer-term improvements in socio-emotional development and related executive-function and critical-thinking skills.
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Affiliation(s)
- Alexandros K. Kanellopoulos
- Brain Health Department, Nestlé Institute of Health Sciences, Société des Produits Nestlé SA, Vers-Chez-les-Blanc, 1000 Lausanne, Switzerland
| | - Sarah Costello
- Brain Health Department, Nestlé Institute of Health Sciences, Société des Produits Nestlé SA, Vers-Chez-les-Blanc, 1000 Lausanne, Switzerland
| | - Fabio Mainardi
- Data Science Group, Nestlé Institute of Health Sciences, Société des Produits Nestlé SA, Vers-Chez-les-Blanc, 1000 Lausanne, Switzerland
| | - Kyoko Koshibu
- Brain Health Department, Nestlé Institute of Health Sciences, Société des Produits Nestlé SA, Vers-Chez-les-Blanc, 1000 Lausanne, Switzerland
| | - Sean Deoni
- Advanced Baby Imaging Lab, Rhode Island Hospital, 1 Hoppin Street, Providence, RI 20903, USA
- Department of Radiology, Warren Alpert Medical School of Brown University, 222 Richmond St., Providence, RI 02912, USA
- Spinn Neuroscience, Seattle, WA 98275, USA
| | - Nora Schneider
- Brain Health Department, Nestlé Institute of Health Sciences, Société des Produits Nestlé SA, Vers-Chez-les-Blanc, 1000 Lausanne, Switzerland
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16
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Fan Y, McMath AL, Donovan SM. Review on the Impact of Milk Oligosaccharides on the Brain and Neurocognitive Development in Early Life. Nutrients 2023; 15:3743. [PMID: 37686775 PMCID: PMC10490528 DOI: 10.3390/nu15173743] [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: 07/09/2023] [Revised: 08/09/2023] [Accepted: 08/24/2023] [Indexed: 09/10/2023] Open
Abstract
Milk Oligosaccharides (MOS), a group of complex carbohydrates found in human and bovine milk, have emerged as potential modulators of optimal brain development for early life. This review provides a comprehensive investigation of the impact of milk oligosaccharides on brain and neurocognitive development of early life by synthesizing current literature from preclinical models and human observational studies. The literature search was conducted in the PubMed search engine, and the inclusion eligibility was evaluated by three reviewers. Overall, we identified 26 articles for analysis. While the literature supports the crucial roles of fucosylated and sialylated milk oligosaccharides in learning, memory, executive functioning, and brain structural development, limitations were identified. In preclinical models, the supplementation of only the most abundant MOS might overlook the complexity of naturally occurring MOS compositions. Similarly, accurately quantifying MOS intake in human studies is challenging due to potential confounding effects such as formula feeding. Mechanistically, MOS is thought to impact neurodevelopment through modulation of the microbiota and enhancement of neuronal signaling. However, further advancement in our understanding necessitates clinical randomized-controlled trials to elucidate the specific mechanisms and long-term implications of milk oligosaccharides exposure. Understanding the interplay between milk oligosaccharides and cognition may contribute to early nutrition strategies for optimal cognitive outcomes in children.
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Affiliation(s)
- Yuting Fan
- Department of Food Science and Human Nutrition, University of Illinois Urbana-Champaign, Urbana, IL 61801, USA;
| | - Arden L. McMath
- Division of Nutritional Sciences, University of Illinois Urbana-Champaign, Urbana, IL 61801, USA;
| | - Sharon M. Donovan
- Department of Food Science and Human Nutrition, University of Illinois Urbana-Champaign, Urbana, IL 61801, USA;
- Division of Nutritional Sciences, University of Illinois Urbana-Champaign, Urbana, IL 61801, USA;
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17
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Coletto E, Savva GM, Latousakis D, Pontifex M, Crost EH, Vaux L, Telatin A, Bergstrom K, Vauzour D, Juge N. Role of mucin glycosylation in the gut microbiota-brain axis of core 3 O-glycan deficient mice. Sci Rep 2023; 13:13982. [PMID: 37634035 PMCID: PMC10460388 DOI: 10.1038/s41598-023-40497-8] [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: 03/03/2023] [Accepted: 08/11/2023] [Indexed: 08/28/2023] Open
Abstract
Alterations in intestinal mucin glycosylation have been associated with increased intestinal permeability and sensitivity to inflammation and infection. Here, we used mice lacking core 3-derived O-glycans (C3GnT-/-) to investigate the effect of impaired mucin glycosylation in the gut-brain axis. C3GnT-/- mice showed altered microbial metabolites in the caecum associated with brain function such as dimethylglycine and N-acetyl-L-tyrosine profiles as compared to C3GnT+/+ littermates. In the brain, polysialylated-neural cell adhesion molecule (PSA-NCAM)-positive granule cells showed an aberrant phenotype in the dentate gyrus of C3GnT-/- mice. This was accompanied by a trend towards decreased expression levels of PSA as well as ZO-1 and occludin as compared to C3GnT+/+. Behavioural studies showed a decrease in the recognition memory of C3GnT-/- mice as compared to C3GnT+/+ mice. Combined, these results support the role of mucin O-glycosylation in the gut in potentially influencing brain function which may be facilitated by the passage of microbial metabolites through an impaired gut barrier.
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Affiliation(s)
- Erika Coletto
- Gut Microbes and Health Institute Strategic Programme, Quadram Institute Bioscience, Norwich, NR4 7UQ, UK
| | - George M Savva
- Gut Microbes and Health Institute Strategic Programme, Quadram Institute Bioscience, Norwich, NR4 7UQ, UK
| | - Dimitrios Latousakis
- Gut Microbes and Health Institute Strategic Programme, Quadram Institute Bioscience, Norwich, NR4 7UQ, UK
| | - Matthew Pontifex
- Norwich Medical School, Biomedical Research Centre, University of East Anglia, Norwich Research Park, Norwich, NR4 7TJ, UK
| | - Emmanuelle H Crost
- Gut Microbes and Health Institute Strategic Programme, Quadram Institute Bioscience, Norwich, NR4 7UQ, UK
| | - Laura Vaux
- Gut Microbes and Health Institute Strategic Programme, Quadram Institute Bioscience, Norwich, NR4 7UQ, UK
| | - Andrea Telatin
- Gut Microbes and Health Institute Strategic Programme, Quadram Institute Bioscience, Norwich, NR4 7UQ, UK
| | - Kirk Bergstrom
- Department of Biology, University of British Columbia, Okanagan Campus, 3333 University Way, Kelowna, BC, V1V 1V7, Canada
| | - David Vauzour
- Norwich Medical School, Biomedical Research Centre, University of East Anglia, Norwich Research Park, Norwich, NR4 7TJ, UK
| | - Nathalie Juge
- Gut Microbes and Health Institute Strategic Programme, Quadram Institute Bioscience, Norwich, NR4 7UQ, UK.
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18
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Boulangé CL, Pedersen HK, Martin FP, Siegwald L, Pallejà Caro A, Eklund AC, Jia W, Zhang H, Berger B, Sprenger N, Heine RG, Cinnamon Study Investigator Group. An Extensively Hydrolyzed Formula Supplemented with Two Human Milk Oligosaccharides Modifies the Fecal Microbiome and Metabolome in Infants with Cow's Milk Protein Allergy. Int J Mol Sci 2023; 24:11422. [PMID: 37511184 PMCID: PMC10379726 DOI: 10.3390/ijms241411422] [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: 06/08/2023] [Revised: 06/27/2023] [Accepted: 06/29/2023] [Indexed: 07/30/2023] Open
Abstract
Cow's milk protein allergy (CMPA) is a prevalent food allergy among infants and young children. We conducted a randomized, multicenter intervention study involving 194 non-breastfed infants with CMPA until 12 months of age (clinical trial registration: NCT03085134). One exploratory objective was to assess the effects of a whey-based extensively hydrolyzed formula (EHF) supplemented with 2'-fucosyllactose (2'-FL) and lacto-N-neotetraose (LNnT) on the fecal microbiome and metabolome in this population. Thus, fecal samples were collected at baseline, 1 and 3 months from enrollment, as well as at 12 months of age. Human milk oligosaccharides (HMO) supplementation led to the enrichment of bifidobacteria in the gut microbiome and delayed the shift of the microbiome composition toward an adult-like pattern. We identified specific HMO-mediated changes in fecal amino acid degradation and bile acid conjugation, particularly in infants commencing the HMO-supplemented formula before the age of three months. Thus, HMO supplementation partially corrected the dysbiosis commonly observed in infants with CMPA. Further investigation is necessary to determine the clinical significance of these findings in terms of a reduced incidence of respiratory infections and other potential health benefits.
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Affiliation(s)
- Claire L Boulangé
- Nestlé Institute of Health Sciences, Nestlé Research, Société des Produits Nestlé S.A., 1000 Lausanne, Switzerland
| | | | - Francois-Pierre Martin
- Nestlé Institute of Health Sciences, Nestlé Research, Société des Produits Nestlé S.A., 1000 Lausanne, Switzerland
| | - Léa Siegwald
- Nestlé Institute of Health Sciences, Nestlé Research, Société des Produits Nestlé S.A., 1000 Lausanne, Switzerland
| | | | | | - Wei Jia
- University of Hawaii Cancer Center, Honolulu, HI 96813, USA
- School of Chinese Medicine, Hong Kong Baptist University, Kowloon Tong, Hong Kong 999077, China
| | - Huizhen Zhang
- University of Hawaii Cancer Center, Honolulu, HI 96813, USA
| | - Bernard Berger
- Nestlé Institute of Health Sciences, Nestlé Research, Société des Produits Nestlé S.A., 1000 Lausanne, Switzerland
| | - Norbert Sprenger
- Nestlé Institute of Health Sciences, Nestlé Research, Société des Produits Nestlé S.A., 1000 Lausanne, Switzerland
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19
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Wijenayake S, Martz J, Lapp HE, Storm JA, Champagne FA, Kentner AC. The contributions of parental lactation on offspring development: It's not udder nonsense! Horm Behav 2023; 153:105375. [PMID: 37269591 PMCID: PMC10351876 DOI: 10.1016/j.yhbeh.2023.105375] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Revised: 05/11/2023] [Accepted: 05/13/2023] [Indexed: 06/05/2023]
Abstract
The Developmental Origins of Health and Disease (DOHaD) hypothesis describes how maternal stress exposures experienced during critical periods of perinatal life are linked to altered developmental trajectories in offspring. Perinatal stress also induces changes in lactogenesis, milk volume, maternal care, and the nutritive and non-nutritive components of milk, affecting short and long-term developmental outcomes in offspring. For instance, selective early life stressors shape the contents of milk, including macro/micronutrients, immune components, microbiota, enzymes, hormones, milk-derived extracellular vesicles, and milk microRNAs. In this review, we highlight the contributions of parental lactation to offspring development by examining changes in the composition of breast milk in response to three well-characterized maternal stressors: nutritive stress, immune stress, and psychological stress. We discuss recent findings in human, animal, and in vitro models, their clinical relevance, study limitations, and potential therapeutic significance to improving human health and infant survival. We also discuss the benefits of enrichment methods and support tools that can be used to improve milk quality and volume as well as related developmental outcomes in offspring. Lastly, we use evidence-based primary literature to convey that even though select maternal stressors may modulate lactation biology (by influencing milk composition) depending on the severity and length of exposure, exclusive and/or prolonged milk feeding may attenuate the negative in utero effects of early life stressors and promote healthy developmental trajectories. Overall, scientific evidence supports lactation to be protective against nutritive and immune stressors, but the benefits of lactation in response to psychological stressors need further investigation.
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Affiliation(s)
- Sanoji Wijenayake
- Department of Biology, The University of Winnipeg, Winnipeg, Manitoba, Canada.
| | - Julia Martz
- School of Arts & Sciences, Health Psychology Program, Massachusetts College of Pharmacy and Health Sciences, Boston, MA, USA
| | - Hannah E Lapp
- Deparment of Psychology, University of Texas at Austin, Austin, TX, USA
| | - Jasmyne A Storm
- Department of Biology, The University of Winnipeg, Winnipeg, Manitoba, Canada
| | | | - Amanda C Kentner
- School of Arts & Sciences, Health Psychology Program, Massachusetts College of Pharmacy and Health Sciences, Boston, MA, USA.
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Cho S, Samuel TM, Li T, Howell BR, Baluyot K, Hazlett HC, Elison JT, Zhu H, Hauser J, Sprenger N, Lin W. Interactions between Bifidobacterium and Bacteroides and human milk oligosaccharides and their associations with infant cognition. Front Nutr 2023; 10:1216327. [PMID: 37457984 PMCID: PMC10345227 DOI: 10.3389/fnut.2023.1216327] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Accepted: 06/12/2023] [Indexed: 07/18/2023] Open
Abstract
While ample research on independent associations between infant cognition and gut microbiota composition and human milk (HM) oligosaccharides (HMOs) has been reported, studies on how the interactions between gut microbiota and HMOs may yield associations with cognitive development in infancy are lacking. We aimed to determine how HMOs and species of Bacteroides and Bifidobacterium genera interact with each other and their associations with cognitive development in typically developing infants. A total of 105 mother-infant dyads were included in this study. The enrolled infants [2.9-12 months old (8.09 ± 2.48)] were at least predominantly breastfed at 4 months old. A total of 170 HM samples from the mothers and fecal samples of the children were collected longitudinally. Using the Mullen Scales of Early Learning to assess cognition and the scores as the outcomes, linear mixed effects models including both the levels of eight HMOs and relative abundance of Bacteroides and Bifidobacterium species as main associations and their interactions were employed with adjusting covariates; infant sex, delivery mode, maternal education, site, and batch effects of HMOs. Additionally, regression models stratifying infants based on the A-tetrasaccharide (A-tetra) status of the HM they received were also employed to determine if the associations depend on the A-tetra status. With Bacteroides species, we observed significant associations with motor functions, while Bif. catenulatum showed a negative association with visual reception in the detectable A-tetra group both as main effect (value of p = 0.012) and in interaction with LNFP-I (value of p = 0.007). Additionally, 3-FL showed a positive association with gross motor (p = 0.027) and visual reception (p = 0.041). Furthermore, significant associations were observed with the interaction terms mainly in the undetectable A-tetra group. Specifically, we observed negative associations for Bifidobacterium species and LNT [breve (p = 0.011) and longum (p = 0.022)], and positive associations for expressive language with 3'-SL and Bif. bifidum (p = 0.01), 6'-SL and B. fragilis (p = 0.019), and LNFP-I and Bif. kashiwanohense (p = 0.048), respectively. Our findings suggest that gut microbiota and HMOs are both independently and interactively associated with early cognitive development. In particular, the diverse interactions between HMOs and Bacteroides and Bifidobacterium species reveal different candidate pathways through which HMOs, Bifidobacterium and Bacteroides species potentially interact to impact cognitive development in infancy.
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Affiliation(s)
- Seoyoon Cho
- Department of Biostatistics, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
| | - Tinu M. Samuel
- Nestle Product Technology Center-Nutrition, Société des Produits Nestlé S.A., Vevey, Switzerland
| | - Tengfei Li
- Biomedical Research Imaging Center, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
- Department of Radiology, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
| | - Brittany R. Howell
- Fralin Biomedical Research Institute at VTC, Department of Human Development and Family Science, Virginia Polytechnic Institute and State University, Roanoke, VA, United States
| | - Kristine Baluyot
- Biomedical Research Imaging Center, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
| | - Heather C. Hazlett
- Department of Psychiatry, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
| | - Jed T. Elison
- Institute of Child Development, University of Minnesota, Minneapolis, MN, United States
| | - Hongtu Zhu
- Department of Biostatistics, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
- Biomedical Research Imaging Center, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
| | - Jonas Hauser
- Nestlé Institute of Health Sciences, Société des Produits Nestlé S.A., Lausanne, Switzerland
| | - Norbert Sprenger
- Nestlé Institute of Health Sciences, Société des Produits Nestlé S.A., Lausanne, Switzerland
| | - Weili Lin
- Biomedical Research Imaging Center, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
- Department of Radiology, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
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Abstract
Sialic acids (Sias), a group of over 50 structurally distinct acidic saccharides on the surface of all vertebrate cells, are neuraminic acid derivatives. They serve as glycan chain terminators in extracellular glycolipids and glycoproteins. In particular, Sias have significant implications in cell-to-cell as well as host-to-pathogen interactions and participate in various biological processes, including neurodevelopment, neurodegeneration, fertilization, and tumor migration. However, Sia is also present in some of our daily diets, particularly in conjugated form (sialoglycans), such as those in edible bird's nest, red meats, breast milk, bovine milk, and eggs. Among them, breast milk, especially colostrum, contains a high concentration of sialylated oligosaccharides. Numerous reviews have concentrated on the physiological function of Sia as a cellular component of the body and its relationship with the occurrence of diseases. However, the consumption of Sias through dietary sources exerts significant influence on human health, possibly by modulating the gut microbiota's composition and metabolism. In this review, we summarize the distribution, structure, and biological function of particular Sia-rich diets, including human milk, bovine milk, red meat, and egg.
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Affiliation(s)
- Tiantian Zhang
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, China
| | - Jianrong Wu
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, China
| | - Xiaobei Zhan
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, China
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Fan Y, Vinjamuri A, Tu D, Lebrilla CB, Donovan SM. Determinants of human milk oligosaccharides profiles of participants in the STRONG kids 2 cohort. Front Nutr 2023; 10:1105668. [PMID: 37057069 PMCID: PMC10086122 DOI: 10.3389/fnut.2023.1105668] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Accepted: 03/10/2023] [Indexed: 03/30/2023] Open
Abstract
IntroductionHuman milk oligosaccharides (HMOS) are indigestible carbohydrates that support infant development by establishing a healthy microbiota, preventing infectious diseases, and promoting immune and cognitive development. Individual HMOS have distinct functions based on their chemical structures. HMO profiles can vary largely among mothers, but the research on factors other than genetic background affecting HMO composition are limited.MethodsIn the present analysis, we examined the relationships between maternal characteristics and the HMO profiles of breastfeeding mothers (n = 392) in the STRONG kids 2 with the following demographic characteristics: average age: 30.8 y, 74.5% White, and 75.5% exclusively breastfeeding. Human milk samples were collected at 6 weeks postpartum and maternal information was obtained from self-reported surveys. Information on dietary intake changes since the participants have been breastfeeding was collected. HMO profiles were analyzed by high performance liquid chromatography coupled with mass spectrometry and secretor status was determined by the presence of four secretor markers [2′-fucosyllactose (2′-FL), LNFP I, LDFT, and TFLNH]. Spearmen correlation test was utilized to determine the relationships between individual HMOS and associations with maternal factors. Between-group differences in HMO relative abundances were examined with Kruskal-Wallis test.ResultsAmong all participants, 71.9% were secretors and 28.1% were non-secretors. The relative abundances of all HMOS differed (p < 0.05) by secretor status, with the exception for 6′-SL and 3′-SL. Positive correlations were observed among HMOS with similar structures, such as the 1,2-fucosylated HMOS. The abundances of selected HMOS were associated with maternal body weight, pregnancy complications, and dietary characteristics. Based on pre-pregnancy BMI, in all mothers, relative abundance of 3′-SL was significantly higher in overweight mothers than obese mothers (p = 0.013). In milk produced by non-secretor mothers, LNPF I + III abundances were greater in overweight than normal weight mothers (p = 0.020). Several HMO abundances were found to be associated with Gestational diabetes mellitus (GDM). Variations of HMO abundances were also observed with dietary food intake. In all mothers, egg consumption was positively correlated with LNT + LNnT (R = 0.13; p = 0.012) and cheese intake was positively associated with 2′-FL (R = 0.10; p = 0.046) and S-LNnH II (R = 0.11; p = 0.026) abundances.DiscussionHMO profiles were found to be associated with maternal characteristics and intake. Future research will investigate associations between HMOS and maternal and infant outcomes.
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Affiliation(s)
- Yuting Fan
- Department of Food Science and Human Nutrition, University of Illinois, Urbana, IL, United States
| | - Anita Vinjamuri
- Department of Chemistry, University of California, Davis, Davis, CA, United States
| | - Diane Tu
- Department of Chemistry, University of California, Davis, Davis, CA, United States
| | - Carlito B. Lebrilla
- Department of Chemistry, University of California, Davis, Davis, CA, United States
| | - Sharon M. Donovan
- Department of Food Science and Human Nutrition, University of Illinois, Urbana, IL, United States
- *Correspondence: Sharon M. Donovan,
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Gilbreath D, Hagood D, Alatorre-Cruz GC, Andres A, Downs H, Larson-Prior LJ. Effects of Early Nutrition Factors on Baseline Neurodevelopment during the First 6 Months of Life: An EEG Study. Nutrients 2023; 15:1535. [PMID: 36986265 PMCID: PMC10055905 DOI: 10.3390/nu15061535] [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: 02/27/2023] [Revised: 03/18/2023] [Accepted: 03/20/2023] [Indexed: 03/30/2023] Open
Abstract
Throughout infancy, the brain undergoes rapid changes in structure and function that are sensitive to environmental influences, such as diet. Breastfed (BF) infants score higher on cognitive tests throughout infancy and into adolescence than formula fed (FF) infants, and these differences in neurocognitive development are reflected in higher concentrations of white and grey matter as measured by MRI. To further explore the effect diet has on cognitive development, electroencephalography (EEG) is used as a direct measure of neuronal activity and to assess specific frequency bands associated with cognitive processes. Task-free baseline EEGs were collected from infants fed with human milk (BF), dairy-based formula (MF), or soy-based formula (SF) at 2, 3, 4, 5, and 6 months of age to explore differences in frequency bands in both sensor and source space. Significant global differences in sensor space were seen in beta and gamma bands between BF and SF groups at ages 2 and 6 months, and these differences were further observed through volumetric modeling in source space. We conclude that BF infants exhibit earlier brain maturation reflected in greater power spectral density in these frequency bands.
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Affiliation(s)
- Dylan Gilbreath
- Arkansas Children’s Nutrition Center (ACNC), Little Rock, AR 72202, USA
- Department of Neurobiology and Developmental Sciences, University of Arkansas for Medical Sciences (UAMS), Little Rock, AR 72207, USA
| | - Darcy Hagood
- Arkansas Children’s Nutrition Center (ACNC), Little Rock, AR 72202, USA
| | - Graciela Catalina Alatorre-Cruz
- Arkansas Children’s Nutrition Center (ACNC), Little Rock, AR 72202, USA
- Department of Pediatrics, University of Arkansas for Medical Sciences (UAMS), Little Rock, AR 72207, USA
| | - Aline Andres
- Arkansas Children’s Nutrition Center (ACNC), Little Rock, AR 72202, USA
- Department of Pediatrics, University of Arkansas for Medical Sciences (UAMS), Little Rock, AR 72207, USA
| | - Heather Downs
- Arkansas Children’s Nutrition Center (ACNC), Little Rock, AR 72202, USA
| | - Linda J. Larson-Prior
- Arkansas Children’s Nutrition Center (ACNC), Little Rock, AR 72202, USA
- Department of Neurobiology and Developmental Sciences, University of Arkansas for Medical Sciences (UAMS), Little Rock, AR 72207, USA
- Department of Pediatrics, University of Arkansas for Medical Sciences (UAMS), Little Rock, AR 72207, USA
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Qiu S, Cai Y, Yao H, Lin C, Xie Y, Tang S, Zhang A. Small molecule metabolites: discovery of biomarkers and therapeutic targets. Signal Transduct Target Ther 2023; 8:132. [PMID: 36941259 PMCID: PMC10026263 DOI: 10.1038/s41392-023-01399-3] [Citation(s) in RCA: 104] [Impact Index Per Article: 104.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Revised: 03/01/2023] [Accepted: 03/03/2023] [Indexed: 03/22/2023] Open
Abstract
Metabolic abnormalities lead to the dysfunction of metabolic pathways and metabolite accumulation or deficiency which is well-recognized hallmarks of diseases. Metabolite signatures that have close proximity to subject's phenotypic informative dimension, are useful for predicting diagnosis and prognosis of diseases as well as monitoring treatments. The lack of early biomarkers could lead to poor diagnosis and serious outcomes. Therefore, noninvasive diagnosis and monitoring methods with high specificity and selectivity are desperately needed. Small molecule metabolites-based metabolomics has become a specialized tool for metabolic biomarker and pathway analysis, for revealing possible mechanisms of human various diseases and deciphering therapeutic potentials. It could help identify functional biomarkers related to phenotypic variation and delineate biochemical pathways changes as early indicators of pathological dysfunction and damage prior to disease development. Recently, scientists have established a large number of metabolic profiles to reveal the underlying mechanisms and metabolic networks for therapeutic target exploration in biomedicine. This review summarized the metabolic analysis on the potential value of small-molecule candidate metabolites as biomarkers with clinical events, which may lead to better diagnosis, prognosis, drug screening and treatment. We also discuss challenges that need to be addressed to fuel the next wave of breakthroughs.
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Affiliation(s)
- Shi Qiu
- International Advanced Functional Omics Platform, Scientific Experiment Center, Hainan General Hospital (Hainan Affiliated Hospital of Hainan Medical University), College of Chinese Medicine, Hainan Medical University, Xueyuan Road 3, Haikou, 571199, China
| | - Ying Cai
- Graduate School, Heilongjiang University of Chinese Medicine, Harbin, 150040, China
| | - Hong Yao
- First Affiliated Hospital, Harbin Medical University, Harbin, 150081, China
| | - Chunsheng Lin
- Second Affiliated Hospital, Heilongjiang University of Chinese Medicine, Harbin, 150001, China
| | - Yiqiang Xie
- International Advanced Functional Omics Platform, Scientific Experiment Center, Hainan General Hospital (Hainan Affiliated Hospital of Hainan Medical University), College of Chinese Medicine, Hainan Medical University, Xueyuan Road 3, Haikou, 571199, China.
| | - Songqi Tang
- International Advanced Functional Omics Platform, Scientific Experiment Center, Hainan General Hospital (Hainan Affiliated Hospital of Hainan Medical University), College of Chinese Medicine, Hainan Medical University, Xueyuan Road 3, Haikou, 571199, China.
| | - Aihua Zhang
- International Advanced Functional Omics Platform, Scientific Experiment Center, Hainan General Hospital (Hainan Affiliated Hospital of Hainan Medical University), College of Chinese Medicine, Hainan Medical University, Xueyuan Road 3, Haikou, 571199, China.
- Graduate School, Heilongjiang University of Chinese Medicine, Harbin, 150040, China.
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Willemsen Y, Beijers R, Gu F, Vasquez AA, Schols HA, de Weerth C. Fucosylated Human Milk Oligosaccharides during the First 12 Postnatal Weeks Are Associated with Better Executive Functions in Toddlers. Nutrients 2023; 15:nu15061463. [PMID: 36986193 PMCID: PMC10057664 DOI: 10.3390/nu15061463] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Revised: 03/08/2023] [Accepted: 03/13/2023] [Indexed: 03/30/2023] Open
Abstract
Human milk oligosaccharides (HMOs) are one of the most abundant solid components in a mother's milk. Animal studies have confirmed a link between early life exposure to HMOs and better cognitive outcomes in the offspring. Human studies on HMOs and associations with later child cognition are scarce. In this preregistered longitudinal study, we investigated whether human milk 2'-fucosyllactose, 3'-sialyllactose, 6'-sialyllactose, grouped fucosylated HMOs, and grouped sialylated HMOs, assessed during the first twelve postnatal weeks, are associated with better child executive functions at age three years. At infant age two, six, and twelve weeks, a sample of human milk was collected by mothers who were exclusively (n = 45) or partially breastfeeding (n = 18). HMO composition was analysed by use of porous graphitized carbon-ultra high-performance liquid chromatography-mass spectrometry. Executive functions were assessed at age three years with two executive function questionnaires independently filled in by mothers and their partners, and four behavioural tasks. Multiple regression analyses were performed in R. Results indicated that concentrations of 2'-fucosyllactose and grouped fucosylated HMOs were associated with better executive functions, while concentrations of grouped sialylated HMOs were associated with worse executive functions at age three years. Future studies on HMOs that sample frequently during the first months of life and experimental HMO administration studies in exclusively formula-fed infants can further reveal associations with child cognitive development and uncover potential causality and sensitive periods.
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Affiliation(s)
- Yvonne Willemsen
- Department of Cognitive Neuroscience, Donders Institute for Brain, Cognition and Behaviour, Radboud University Medical Center, 6525 EN Nijmegen, The Netherlands
| | - Roseriet Beijers
- Department of Cognitive Neuroscience, Donders Institute for Brain, Cognition and Behaviour, Radboud University Medical Center, 6525 EN Nijmegen, The Netherlands
- Behavioural Science Institute, Radboud University, 6525 GD Nijmegen, The Netherlands
| | - Fangjie Gu
- Laboratory of Food Chemistry, Wageningen University & Research, 6708 WG Wageningen, The Netherlands
| | - Alejandro Arias Vasquez
- Donders Center for Medical Neuroscience, Department of Psychiatry and Human Genetics, Radboud University Medical Center, 6525 GA Nijmegen, The Netherlands
| | - Henk Arie Schols
- Laboratory of Food Chemistry, Wageningen University & Research, 6708 WG Wageningen, The Netherlands
| | - Carolina de Weerth
- Department of Cognitive Neuroscience, Donders Institute for Brain, Cognition and Behaviour, Radboud University Medical Center, 6525 EN Nijmegen, The Netherlands
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Short-Term Effects of Human versus Bovine Sialylated Milk Oligosaccharide Microinjection on Zebrafish Larvae Survival, Locomotor Behavior and Gene Expression. Int J Mol Sci 2023; 24:ijms24065456. [PMID: 36982531 PMCID: PMC10051688 DOI: 10.3390/ijms24065456] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2023] [Revised: 03/09/2023] [Accepted: 03/11/2023] [Indexed: 03/14/2023] Open
Abstract
Milk oligosaccharides are a complex class of carbohydrates that act as bioactive factors in numerous defensive and physiological functions, including brain development. Early nutrition can modulate nervous system development and can lead to epigenetic imprinting. We attempted to increase the sialylated oligosaccharide content of zebrafish yolk reserves, with the aim of evaluating any short-term effects of the treatment on mortality, locomotor behavior, and gene expression. Wild-type embryos were microinjected with saline solution or solutions containing sialylated milk oligosaccharides extracted from human and bovine milk. The results suggest that burst activity and larval survival rates were unaffected by the treatments. Locomotion parameters were found to be similar during the light phase between control and treated larvae; in the dark, however, milk oligosaccharide-treated larvae showed increased test plate exploration. Thigmotaxis results did not reveal significant differences in either the light or the dark conditions. The RNA-seq analysis indicated that both treatments exert an antioxidant effect in developing fish. Moreover, sialylated human milk oligosaccharides seemed to increase the expression of genes related to cell cycle control and chromosomal replication, while bovine-derived oligosaccharides caused an increase in the expression of genes involved in synaptogenesis and neuronal signaling. These data shed some light on this poorly explored research field, showing that both human and bovine oligosaccharides support brain proliferation and maturation.
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Schneider N, Mainardi F, Budisavljevic S, Rolands M, Deoni S. Associations between Early Life Nutrient Intakes and Brain Maturation Show Developmental Dynamics from Infancy to Toddlerhood: A Neuroimaging Observation Study. J Nutr 2023; 153:897-908. [PMID: 36931756 PMCID: PMC10196598 DOI: 10.1016/j.tjnut.2023.01.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Revised: 12/23/2022] [Accepted: 01/10/2023] [Indexed: 01/15/2023] Open
Abstract
BACKGROUND Myelin imaging has increasingly been applied to study the impact of nutrition on brain development in recent years. Although individual dynamics for nutrient intakes and myelin trajectories previously have been investigated across childhood, the longitudinal interaction between both remains unclear in typically developed children. OBJECTIVES The objective of this work was to explore the developmental dynamics of nutrient-myelin interactions from infancy to early childhood using myelin imaging as a marker for brain maturation. METHODS Brain neuroimaging (1 scan per child) and dietary nutrient intake data were analyzed for 88 nutrients from 293 children (127 female, 62% White) from a longitudinal cohort study in the United States. A sliding window approach was used to investigate correlations between nutrient intakes and brain myelination over a continuous set of age windows. Image processing techniques (Sobel-filter vertical edge detection) were applied to determine age windows with unique association profiles, providing novel insight into how these relationships change with child age. RESULTS We identified 3 nutrient-myelin windows covering the age range of 1-5 y: window 1 from 6 to 20 mo with 60% positive nutrient correlations, window 2 from 20 to 30 mo with 20% positive correlations, and window 3 from 30 to 60 mo with 37% positive correlations. The windows are aligned with reported myelin and white matter dynamics that change in the first 5 y from fast and steep (window 1) to continued but slower growth (window 3), with window 2 possibly representing the inflection period. CONCLUSIONS To our knowledge, this is the first study in typically developing children demonstrating the developmental dynamics between early life nutrient intakes and brain maturation in toddlerhood. The knowledge can be applied for identifying targeted and brain-stage-appropriate nutritional interventions for this critical stage of brain development.
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Affiliation(s)
- Nora Schneider
- Brain Health Department, Nestlé Institute of Health Sciences, Société des Produits Nestlé SA, Vers-Chez-les-Blanc, Lausanne, Switzerland.
| | - Fabio Mainardi
- Applied Data Analytics Group, Nestlé Institute of Health Sciences, Société des Produits Nestlé SA, Vers-Chez-les-Blanc, Lausanne, Switzerland
| | - Sanja Budisavljevic
- Brain Health Department, Nestlé Institute of Health Sciences, Société des Produits Nestlé SA, Vers-Chez-les-Blanc, Lausanne, Switzerland
| | - Maryann Rolands
- Nutrition Science Group, Nestlé Institute of Health Sciences, Société des Produits Nestlé SA, Vers-Chez-les-Blanc, Lausanne, Switzerland
| | - Sean Deoni
- Advanced Baby Imaging Lab, Rhode Island Hospital, Providence, RI, USA; Department of Radiology, Warren Alpert Medical School at Brown University, Providence, RI, USA; Spinn Neuroscience, Seattle, WA, USA
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Pisa E, Traversa A, Caputo V, Ottomana AM, Hauser J, Macrì S. Long-term consequences of reduced availability and compensatory supplementation of sialylated HMOs on cognitive capabilities. Front Cell Neurosci 2023; 17:1091890. [PMID: 36794260 PMCID: PMC9922896 DOI: 10.3389/fncel.2023.1091890] [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: 11/07/2022] [Accepted: 01/11/2023] [Indexed: 01/31/2023] Open
Abstract
Breast milk (BM) is the optimal source of nutrition for mammals' early life. It exerts multiple benefits, including the development of cognitive capabilities and protection against several diseases like obesity and infection of the respiratory tract. However, which components of BM are involved in individual development has remained elusive. Sialylated human milk oligosaccharides (HMOs) may constitute a valid candidate, whereby they represent the principal source of sialic acid and act as building blocks for brain development. We hypothesize that the reduced availability of two HMOs, sialyl(alpha2,6)lactose (6'SL) and sialyl(alpha2,3)lactose (3'SL), may impair attention, cognitive flexibility, and memory in a preclinical model and that the exogenous supplementation of these compounds may contrast the observed deficits. We evaluated cognitive capabilities in a preclinical model exposed to maternal milk containing reduced concentrations of 6'SL and 3'SL during lactation. To modulate their concentrations, we utilized a preclinical model characterized by the absence of genes that synthesize 3'SL and 6'SL (B6.129-St3gal4 tm1.1Jxm and St6gal1tm2Jxm , double genetic deletion), producing milk lacking 3'SL and 6'SL. Then, to ensure exposure to 3'SL-6'SL-poor milk in early life, we adopted a cross-fostering protocol. The outcomes assessed in adulthood were different types of memory, attention and information processing, some of which are part of executive functions. Then, in the second study, we evaluated the long-term compensatory potential of the exogenous oral supplementation of 3'SL and 6'SL during lactation. In the first study, exposure to HMO-poor milk resulted in reduced memory and attention. Specifically, it resulted in impaired working memory in the T-maze test, in reduced spatial memory in the Barnes maze, and in impaired attentional capabilities in the Attentional set-shifting task. In the second part of the study, we did not observe any difference between experimental groups. We hypothesize that the experimental procedures utilized for the exogenous supplementation may have impacted our ability to observe the cognitive read-out in vivo. This study suggests that early life dietary sialylated HMOs play a crucial role in the development of cognitive functions. Future studies are needed to clarify if an exogenous supplementation of these oligosaccharides may compensate for these affected phenotypes.
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Affiliation(s)
- Edoardo Pisa
- Centre for Behavioural Sciences and Mental Health, Istituto Superiore di Sanità, Rome, Italy
| | - Alice Traversa
- Laboratory of Clinical Genomics, Fondazione Istituto di Ricovero e Cura a Carattere Scientifico Casa Sollievo della Sofferenza, San Giovanni Rotondo, Italy
| | - Viviana Caputo
- Department of Experimental Medicine, Sapienza University of Rome, Rome, Italy
| | - Angela Maria Ottomana
- Centre for Behavioural Sciences and Mental Health, Istituto Superiore di Sanità, Rome, Italy,Department of Medicine and Surgery, University of Parma, Parma, Italy
| | - Jonas Hauser
- Brain Health, Nestlé Institute of Health Sciences, Nestlé Research, Société des Produits Nestlé Société Anonyme, Lausanne, Switzerland,*Correspondence: Jonas Hauser,
| | - Simone Macrì
- Centre for Behavioural Sciences and Mental Health, Istituto Superiore di Sanità, Rome, Italy,Simone Macrì,
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Zhu Y, Zhang J, Zhang W, Mu W. Recent progress on health effects and biosynthesis of two key sialylated human milk oligosaccharides, 3'-sialyllactose and 6'-sialyllactose. Biotechnol Adv 2023; 62:108058. [PMID: 36372185 DOI: 10.1016/j.biotechadv.2022.108058] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Revised: 10/25/2022] [Accepted: 11/06/2022] [Indexed: 11/13/2022]
Abstract
Human milk oligosaccharides (HMOs), the third major solid component in breast milk, are recognized as the first prebiotics for health benefits in infants. Sialylated HMOs are an important type of HMOs, accounting for approximately 13% of total HMOs. 3'-Sialyllactose (3'-SL) and 6'-sialyllactose (6'-SL) are two simplest sialylated HMOs. Both SLs display promising prebiotic effects, especially in promoting the proliferation of bifidobacteria and shaping the gut microbiota. SLs exhibit several health effects, including antiadhesive antimicrobial ability, antiviral activity, prevention of necrotizing enterocolitis, immunomodulatory activity, regulation of intestinal epithelial cell response, promotion of brain development, and cognition improvement. Both SLs have been approved as "Generally Recognized as Safe" by the American Food and Drug Administration and are commercially added to infant formula. The biosynthesis of SLs using enzymatic or microbial approaches has been widely studied. The enzymatic synthesis of SLs can be realized by two types of enzymes, sialidases with trans-sialidase activity and sialyltransferases. Microbial synthesis can be achieved by the multiple recombinant bacteria in one-pot reaction, which express the enzymes involved in SL synthesis pathways separately or in combination, or by metabolically engineered strains in a fermentation process. In this article, the physiological properties of 3'-SL and 6'-SL are summarized in detail and the biosynthesis of these SLs via enzymatic and microbial synthesis is comprehensively reviewed.
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Affiliation(s)
- Yingying Zhu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Jiameng Zhang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Wenli Zhang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Wanmeng Mu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China; International Joint Laboratory on Food Safety, Jiangnan University, Wuxi 214122, China.
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Abstract
Human milk oligosaccharides (HMOs) are the third most important solid component in human milk and act in tandem with other bioactive components. Individual HMO levels and distribution vary greatly between mothers by multiple variables, such as secretor status, race, geographic region, environmental conditions, season, maternal diet, and weight, gestational age and mode of delivery. HMOs improve the gastrointestinal barrier and also promote a bifidobacterium-rich gut microbiome, which protects against infection, strengthens the epithelial barrier, and creates immunomodulatory metabolites. HMOs fulfil a variety of physiologic functions including potential support to the immune system, brain development, and cognitive function. Supplementing infant formula with HMOs is safe and promotes a healthy development of the infant revealing benefits for microbiota composition and infection prevention. Because of limited data comparing the effect of non-human oligosaccharides to HMOs, it is not known if HMOs offer an additional clinical benefit over non-human oligosaccharides. Better knowledge of the factors influencing HMO composition and their functions will help to understand their short- and long-term benefits.
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Affiliation(s)
- Meltem Dinleyici
- Department of Social Pediatrics, Eskisehir Osmangazi University Faculty of Medicine, Eskisehir, Turkey
| | - Jana Barbieur
- UZ Brussel, KidZ Health Castle, Vrije Unversiteit Brussel, Brussels, Belgium
| | - Ener Cagri Dinleyici
- Department of Pediatrics, Eskisehir Osmangazi University Faculty of Medicine, Eskisehir, Turkey
| | - Yvan Vandenplas
- UZ Brussel, KidZ Health Castle, Vrije Unversiteit Brussel, Brussels, Belgium
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31
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Searching for a Relationship between Early Breastfeeding and Cognitive Development of Attention and Working Memory Capacity. Brain Sci 2022; 13:brainsci13010053. [PMID: 36672035 PMCID: PMC9856597 DOI: 10.3390/brainsci13010053] [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: 11/30/2022] [Revised: 12/17/2022] [Accepted: 12/21/2022] [Indexed: 12/29/2022] Open
Abstract
Previous research consistently reported that subjects that were exclusively breastfed (eBF) vs. not-exclusively breastfed (neBF) during infancy (0-6 months) showed increased scores of general intelligence measures (e.g., the intelligence quotient). However, the existent literature largely neglected whether breastfeeding also affects specific cognitive processes, such as attention and working memory (WM) capacity. We tested whether eBF vs. neBF subjects showed performance differences in relation to these two core cognitive functions. The Attention Network Test (ANT), to measure alerting, orienting, and conflict, and the Change Colour Task (CCT), to measure visuospatial WM capacity, were administered to 144 participants divided according to age (6-, 10-, and 18-year-old participants) and breastfeeding (eBF or neBF during 0-6 months of life). Importantly, the sub-groups were homogenous in terms of maternal education, a factor potentially affecting the relation between breastfeeding and cognition. While we found increased performance as a function of participants' age in both tasks, we failed to observe effects related to breastfeeding, as evidenced by Bayesian analyses. These findings highlight for the first time that the pattern of nutrition provided during early infancy does not appear to affect the development of attention and WM capacity, at least starting from the age considered in the present study.
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32
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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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Ding J, Ouyang R, Zheng S, Wang Y, Huang Y, Ma X, Zou Y, Chen R, Zhuo Z, Li Z, Xin Q, Zhou L, Mei S, Yan J, Lu X, Ren Z, Liu X, Xu G. Effect of Breastmilk Microbiota and Sialylated Oligosaccharides on the Colonization of Infant Gut Microbial Community and Fecal Metabolome. Metabolites 2022; 12:1136. [PMID: 36422276 PMCID: PMC9698434 DOI: 10.3390/metabo12111136] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Revised: 11/09/2022] [Accepted: 11/16/2022] [Indexed: 07/30/2023] Open
Abstract
The complex microbiota and sialylated oligosaccharides in breastmilk are important bioactive components that affect the gut microbiota. However, the effect of breastmilk microbiota and sialylated oligosaccharides on the gut microbiota during the neonatal period has been largely overlooked. Here, 16S rRNA gene sequencing and metabolomics analysis were applied to the breastmilk and feces of 69 newborns to clarify the link between breastmilk components and the newborn gut. Results showed that Staphylococcus, Enterococcus, and Bacteroides were commonly shared and positively correlated between breastmilk and the neonatal intestine and they were the main bacteria of breastmilk that interacted with the newborn fecal metabolome. Breastmilk Staphylococcus mainly interacted with amino acids, whereas Bacteroides was involved in the tryptophan, nucleotide, and vitamin metabolism. Breastmilk sialylated oligosaccharides were related to Bacteroides and amino acids of the newborn fecal metabolites. Moreover, Bacteroides was related to the interaction between breastmilk 3'-sialyllactose and newborn fecal metabolites in the mediation effect models. Finally, we pointed out that breastmilk Bacteroides was important in the milk-gut interaction, and it was negatively associated with waist circumference in infants aged 1 year. Our study provides a scientific basis for understanding the role of breastmilk in the development of newborn gut microbiota and metabolome.
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Affiliation(s)
- Juan Ding
- Department of Quality Control, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
| | - Runze Ouyang
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
- University of Chinese Academy of Sciences, Beijing 100049, China
- Liaoning Province Key Laboratory of Metabolomics, Dalian 116023, China
| | - Sijia Zheng
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
- University of Chinese Academy of Sciences, Beijing 100049, China
- Liaoning Province Key Laboratory of Metabolomics, Dalian 116023, China
| | - Yanfeng Wang
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
- University of Chinese Academy of Sciences, Beijing 100049, China
- Liaoning Province Key Laboratory of Metabolomics, Dalian 116023, China
| | - Yan Huang
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Xiao Ma
- Department of Nursing, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
| | - Yuxin Zou
- Liaocheng People’s Hospital, Liaocheng 252000, China
| | - Rong Chen
- Dalian Municipal Women and Children’s Medical Center (Group), Dalian 116011, China
| | - Zhihong Zhuo
- Department of Pediatric, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
| | - Zhen Li
- Department of Interventional Radiology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
| | - Qi Xin
- Academy of Medical Sciences, Zhengzhou University, Zhengzhou 450052, China
| | - Lina Zhou
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
- University of Chinese Academy of Sciences, Beijing 100049, China
- Liaoning Province Key Laboratory of Metabolomics, Dalian 116023, China
| | - Surong Mei
- State Key Laboratory of Environment Health (Incubation), Key Laboratory of Environment and Health, Ministry of Education, Key Laboratory of Environment and Health (Wuhan), Ministry of Environmental Protection, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Jingyu Yan
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Xin Lu
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
- University of Chinese Academy of Sciences, Beijing 100049, China
- Liaoning Province Key Laboratory of Metabolomics, Dalian 116023, China
| | - Zhigang Ren
- Department of Infectious Diseases, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
| | - Xinyu Liu
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
- University of Chinese Academy of Sciences, Beijing 100049, China
- Liaoning Province Key Laboratory of Metabolomics, Dalian 116023, China
| | - Guowang Xu
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
- University of Chinese Academy of Sciences, Beijing 100049, China
- Liaoning Province Key Laboratory of Metabolomics, Dalian 116023, China
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Bosheva M, Tokodi I, Krasnow A, Pedersen HK, Lukjancenko O, Eklund AC, Grathwohl D, Sprenger N, Berger B, Cercamondi CI. Infant Formula With a Specific Blend of Five Human Milk Oligosaccharides Drives the Gut Microbiota Development and Improves Gut Maturation Markers: A Randomized Controlled Trial. Front Nutr 2022; 9:920362. [PMID: 35873420 PMCID: PMC9298649 DOI: 10.3389/fnut.2022.920362] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Accepted: 05/27/2022] [Indexed: 11/17/2022] Open
Abstract
Background Human milk oligosaccharides (HMOs) have important biological functions for a healthy development in early life. Objective This study aimed to investigate gut maturation effects of an infant formula containing five HMOs (2′-fucosyllactose, 2′,3-di-fucosyllactose, lacto-N-tetraose, 3′-sialyllactose, and 6′-sialyllactose). Methods In a multicenter study, healthy infants (7–21 days old) were randomly assigned to a standard cow’s milk-based infant formula (control group, CG); the same formula with 1.5 g/L HMOs (test group 1, TG1); or with 2.5 g/L HMOs (test group 2, TG2). A human milk-fed group (HMG) was enrolled as a reference. Fecal samples collected at baseline (n∼150/formula group; HMG n = 60), age 3 (n∼140/formula group; HMG n = 65) and 6 (n∼115/formula group; HMG n = 60) months were analyzed for microbiome (shotgun metagenomics), metabolism, and biomarkers. Results At both post-baseline visits, weighted UniFrac analysis indicated different microbiota compositions in the two test groups (TGs) compared to CG (P < 0.01) with coordinates closer to that of HMG. The relative abundance of Bifidobacterium longum subsp. infantis (B. infantis) was higher in TGs vs. CG (P < 0.05; except at 6 months: TG2 vs. CG P = 0.083). Bifidobacterium abundance was higher by ∼45% in TGs vs. CG at 6-month approaching HMG. At both post-baseline visits, toxigenic Clostridioides difficile abundance was 75–85% lower in TGs vs. CG (P < 0.05) and comparable with HMG. Fecal pH was significantly lower in TGs vs. CG, and the overall organic acid profile was different in TGs vs. CG, approaching HMG. At 3 months, TGs (vs. CG) had higher secretory immunoglobulin A (sIgA) and lower alpha-1-antitrypsin (P < 0.05). At 6 months, sIgA in TG2 vs. CG remained higher (P < 0.05), and calprotectin was lower in TG1 (P < 0.05) vs. CG. Conclusion Infant formula with a specific blend of five HMOs supports the development of the intestinal immune system and gut barrier function and shifts the gut microbiome closer to that of breastfed infants with higher bifidobacteria, particularly B. infantis, and lower toxigenic Clostridioides difficile. Clinical Trial Registration [https://clinicaltrials.gov/ct2/show/], identifier [NCT03722550].
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Affiliation(s)
- Miroslava Bosheva
- University Multiprofile Hospital for Active Treatment, St. George Medical University, Plovdiv, Bulgaria
| | - Istvan Tokodi
- Infant and Children’s Department, St. George’s Hospital, Székesfehérvár, Hungary
| | | | | | | | | | | | - Norbert Sprenger
- Nestlé Institute of Health Sciences, Nestlé Research, Lausanne, Switzerland
| | - Bernard Berger
- Nestlé Institute of Health Sciences, Nestlé Research, Lausanne, Switzerland
- *Correspondence: Bernard Berger,
| | - Colin I. Cercamondi
- Nestlé Product Technology Center – Nutrition, Société des Produits Nestlé S.A., Vevey, Switzerland
| | - 5 HMO Study Investigator ConsortiumBauerViktorArciszewskaMalgorzataTarnevaMariaPopovaIrinaDosevSvilenDimitrovaSirmaNikolovaOlgaNowakMarzenaSzuflinska-SidorowiczMagdalenaKorczowskiBartoszKarcheva-BeloevaRositsaBanovStefanCimoszkoBoguslawaOlechowskiWieslawSimkoRobertTengelyiZsuzsannaKorbalPiotrZolnowskaMartaBilevAntonVasilopoulosGeorgiosKorzynskaSylwiaLakiIstvánKoleva-SyarovaMargaritaGrigorovToniKraevaSteliyanaKovácsÉvaMarkovaRadaJasieniak-PinisGrazynaFisterKatalinStoevaTatyanaDr. Kenessey Albert Hospital and Clinic, Balassagyarmat, Hungary; Polyclinic of Gynecology and Obstetrics Arciszewscy, Bialystok, Poland; University Multiprofile Hospital for Active Treatment Deva Mariya—Neonatology, Burgas, Bulgaria; Medical Center Prolet—Pediatrics department, Ruse, Bulgaria; Medical Center Excelsior, Sofia, Bulgaria; Multiprofile Hospital for Active Treatment Sveti Ivan Rilski, Kozloduy, Bulgaria; Medical Center PROMED, Krakow, Poland; Medical Center Pratia Warszawa, Warszawa, Poland; College of Medical Sciences, University of Rzeszów, Rzeszów, Poland; Medical Center-1, Sevlievo, Bulgaria; Individual Practice for Specialized Medical Assistance, Stara Zagora, Bulgaria; Primary Health Care Clinic Clinical Vitae, Gdansk, Poland; ALERGO-MED Specialist Medical Clinic, Tarnow, Poland; Futurenest Clinical Research, Miskolc, Hungary; Medical Center Clinexpert, Budapest, Hungary; Dr. Jan Biziel’s University Hospital No. 2, Bydgoszcz, Poland; Plejady Medical Center, Krakow, Poland; Medical Center Sveti Ivan Rilski Chudotvorets, Blagoevgrad, Bulgaria; Center of Innovative Therapies, Piaseczno, Poland; Medical Center Pratia Ostroleka, Ostroleka, Poland; Kanizsai Dorottya Hospital, Nagykanizsa, Hungary; Diagnostic Consultative Center Ritam, Stara Zagora, Bulgaria; Multiprofile Hospital for Active Treatment Sveti Georgi, Montana, Bulgaria; Alitera Medical Centre, Sofia, Bulgaria; Family Pediatric Surgery/Babadoki Ltd., Szeged, Hungary; Policlinic Bulgaria—Department of pediatrics; Sofia, Bulgaria; Non-public Health Care Institution Specialist Clinics ATOPIA, Krakow, Poland; Bugát Pál Hospital—Department of Pediatrics, Gyöngyös, Hungary; Medical Center—Izgrev Ltd., Sofia, Bulgaria.
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35
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Human milk oligosaccharides in breast milk and 2-year outcome in preterm infants: An exploratory analysis. Clin Nutr 2022; 41:1896-1905. [DOI: 10.1016/j.clnu.2022.07.024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Revised: 06/13/2022] [Accepted: 07/08/2022] [Indexed: 11/24/2022]
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Gold MS, Quinn PJ, Campbell DE, Peake J, Smart J, Robinson M, O’Sullivan M, Vogt JK, Pedersen HK, Liu X, Pazirandeh-Micol E, Heine RG. Effects of an Amino Acid-Based Formula Supplemented with Two Human Milk Oligosaccharides on Growth, Tolerability, Safety, and Gut Microbiome in Infants with Cow's Milk Protein Allergy. Nutrients 2022; 14:nu14112297. [PMID: 35684099 PMCID: PMC9182596 DOI: 10.3390/nu14112297] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Revised: 05/26/2022] [Accepted: 05/27/2022] [Indexed: 12/04/2022] Open
Abstract
This open-label, non-randomized, multicenter trial (Registration: NCT03661736) aimed to assess if an amino acid-based formula (AAF) supplemented with two human milk oligosaccharides (HMO) supports normal growth and is well tolerated in infants with a cow's milk protein allergy (CMPA). Term infants aged 1-8 months with moderate-to-severe CMPA were enrolled. The study formula was an AAF supplemented with 2'-fucosyllactose (2'-FL) and lacto-N-neotetraose (LNnT). Infants were fed the study formula for 4 months and were offered to remain on the formula until 12 months of age. Tolerance and safety were assessed throughout the trial. Out of 32 infants (mean age 18.6 weeks; 20 (62.5%) male), 29 completed the trial. During the 4-month principal study period, the mean weight-for-age Z score (WAZ) increased from -0.31 at the baseline to +0.28 at the 4-months' follow-up. Linear and head growth also progressed along the WHO child growth reference, with a similar small upward trend. The formula was well tolerated and had an excellent safety profile. When comparing the microbiome at the baseline to the subsequent visits, there was a significant on-treatment enrichment in HMO-utilizing bifidobacteria, which was associated with a significant increase in fecal short-chain fatty acids. In addition, we observed a significant reduction in the abundance of fecal Proteobacteria, suggesting that the HMO-supplemented study formula partially corrected the gut microbial dysbiosis in infants with CMPA.
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Affiliation(s)
- Michael S. Gold
- Department of Allergy & Immunology, Women’s and Children’s Hospital, University of Adelaide, Adelaide, SA 5006, Australia;
- Correspondence:
| | - Patrick J. Quinn
- Department of Allergy & Immunology, Women’s and Children’s Hospital, University of Adelaide, Adelaide, SA 5006, Australia;
| | - Dianne E. Campbell
- Department of Allergy & Clinical Immunology, Children’s Hospital at Westmead, University of Sydney, Sydney, NSW 2145, Australia;
| | - Jane Peake
- Queensland Paediatric Immunology and Allergy Service, Queensland Children’s Hospital, University of Queensland, South Brisbane, QLD 4101, Australia;
| | - Joanne Smart
- Paediatric Allergy Services, Epworth Hospital, Richmond, VIC 3121, Australia;
| | - Marnie Robinson
- Melbourne Allergy Centre & Children’s Specialists Medical Group, Parkville, VIC 3152, Australia;
| | - Michael O’Sullivan
- Department of Immunology, Perth Children’s Hospital, Nedlands, WA 6009, Australia
| | | | | | - Xiaoqiu Liu
- Biostatistics and Data Science Division, The George Institute for Global Health, University of New South Wales, Sydney, NSW 2042, Australia;
| | | | - Ralf G. Heine
- Nestlé Health Science, CH-1800 Vevey, Switzerland; (E.P.-M.); (R.G.H.)
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Jantscher-Krenn E, von Schirnding L, Trötzmüller M, Köfeler H, Kurtovic U, Fluhr H, Müller A, Bagci S. Human Milk Oligosaccharides Are Present in Amniotic Fluid and Show Specific Patterns Dependent on Gestational Age. Nutrients 2022; 14:nu14102065. [PMID: 35631205 PMCID: PMC9146373 DOI: 10.3390/nu14102065] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2022] [Revised: 05/11/2022] [Accepted: 05/12/2022] [Indexed: 02/04/2023] Open
Abstract
(1) Background: Human milk oligosaccharides (HMOs) are already found in maternal circulation in early pregnancy, changing with gestational age. HMOs are also present in cord blood and amniotic fluid (AF). We aimed to assess HMO profiles in AF over the course of gestation. (2) Methods: AF was collected during diagnostic amniocentesis, fetal surgery, or C-section from 77 women with a gestational age of ranging from 14.3 to 40.9 weeks. Samples were analysed using high performance liquid chromatography with fluorescence detection. (3) Results: We found lactose and up to 16 HMO structures in all AF samples investigated, starting at 14 weeks of gestation. Overall, 3′-sialyllactose (3′SL) and 2′-fucosyllactose (2′FL) were the most abundant HMOs. Individual and total HMO concentrations were significantly positively correlated with gestational age. HMO composition also changed between early, mid- and late pregnancy, with relative concentrations of 3′SL significantly decreasing (44%, 25%, 24%) and 2′FL increasing (7%, 13%, 21%), respectively. (4) Conclusion: Our study shows that HMOs are already present in AF early in pregnancy. This demonstrates extensive contact of the fetus with a broad variety of HMOs, suggesting roles for HMOs in fetal tissue development during the time course of pregnancy.
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Affiliation(s)
- Evelyn Jantscher-Krenn
- Department of Obstetrics and Gynecology, Medical University of Graz, 8036 Graz, Austria; (U.K.); (H.F.)
- BioTechMed, 8010 Graz, Austria;
- Correspondence: (E.J.-K.); (S.B.); Tel.: +43-316-385-80076 (E.J.-K.); +49-228-287-37834 (S.B.)
| | - Lara von Schirnding
- Neonatology and Pediatric Intensive Care, Children’s Hospital, University of Bonn, D-53113 Bonn, Germany; (L.v.S.); (A.M.)
| | - Martin Trötzmüller
- Core Facility Mass Spectrometry, Center for Medical Research, Medical University of Graz, 8036 Graz, Austria;
| | - Harald Köfeler
- BioTechMed, 8010 Graz, Austria;
- Core Facility Mass Spectrometry, Center for Medical Research, Medical University of Graz, 8036 Graz, Austria;
| | - Una Kurtovic
- Department of Obstetrics and Gynecology, Medical University of Graz, 8036 Graz, Austria; (U.K.); (H.F.)
| | - Herbert Fluhr
- Department of Obstetrics and Gynecology, Medical University of Graz, 8036 Graz, Austria; (U.K.); (H.F.)
| | - Andreas Müller
- Neonatology and Pediatric Intensive Care, Children’s Hospital, University of Bonn, D-53113 Bonn, Germany; (L.v.S.); (A.M.)
| | - Soyhan Bagci
- Neonatology and Pediatric Intensive Care, Children’s Hospital, University of Bonn, D-53113 Bonn, Germany; (L.v.S.); (A.M.)
- Correspondence: (E.J.-K.); (S.B.); Tel.: +43-316-385-80076 (E.J.-K.); +49-228-287-37834 (S.B.)
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Liu F, Simpson AB, D'Costa E, Bunn FS, van Leeuwen SS. Sialic acid, the secret gift for the brain. Crit Rev Food Sci Nutr 2022; 63:9875-9894. [PMID: 35531941 DOI: 10.1080/10408398.2022.2072270] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
The human brain grows rapidly in early life which requires adequate nutrition. Human milk provides optimal nutrition for the developing brain, and breastfeeding significantly improves the cognition development of infants. These benefits have been largely attributed to human milk oligosaccharides (HMOS), associated with sialic acid (Sia). Subsequently, sialylated HMOS present a vital source of exogenous Sia to infants. Sialic acid is a key molecule essential for proper development of gangliosides, and therefore critical in brain development and function. Recent pre-clinical studies suggest dietary supplementation with Sia or sialylated oligosaccharides enhances intelligence and cognition performance in early and later life. Furthermore, emerging evidence suggests the involvement of Sia in brain homeostasis and disbalance correlates with common pathologies such as Alzheimer's disease (AD). Therefore, this review will discuss early brain health and development and the role of Sia in this process. Additionally, studies associating breastfeeding and specific HMOS to benefits in cognitive development are critically assessed. Furthermore, the review will assess studies implying the potential role of HMOS and microbiota in brain development via the gut-brain axis. Finally, the review will summarize recent advances regarding the role of Sia in neurodegenerative disease in later life and potential roles of dietary Sia sources.
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Affiliation(s)
- Fan Liu
- Department of Pediatrics, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Anna Bella Simpson
- Department of Pediatrics, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Esmée D'Costa
- Department of Pediatrics, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Fanny Sophia Bunn
- Department of Pediatrics, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Sander S van Leeuwen
- Department of Laboratory Medicine, Sector Human Nutrition and Health, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
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de Weerth C, Aatsinki AK, Azad MB, Bartol FF, Bode L, Collado MC, Dettmer AM, Field CJ, Guilfoyle M, Hinde K, Korosi A, Lustermans H, Mohd Shukri NH, Moore SE, Pundir S, Rodriguez JM, Slupsky CM, Turner S, van Goudoever JB, Ziomkiewicz A, Beijers R. Human milk: From complex tailored nutrition to bioactive impact on child cognition and behavior. Crit Rev Food Sci Nutr 2022; 63:7945-7982. [PMID: 35352583 DOI: 10.1080/10408398.2022.2053058] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Human milk is a highly complex liquid food tailor-made to match an infant's needs. Beyond documented positive effects of breastfeeding on infant and maternal health, there is increasing evidence that milk constituents also impact child neurodevelopment. Non-nutrient milk bioactives would contribute to the (long-term) development of child cognition and behavior, a process termed 'Lactocrine Programming'. In this review we discuss the current state of the field on human milk composition and its links with child cognitive and behavioral development. To promote state-of-the-art methodologies and designs that facilitate data pooling and meta-analytic endeavors, we present detailed recommendations and best practices for future studies. Finally, we determine important scientific gaps that need to be filled to advance the field, and discuss innovative directions for future research. Unveiling the mechanisms underlying the links between human milk and child cognition and behavior will deepen our understanding of the broad functions of this complex liquid food, as well as provide necessary information for designing future interventions.
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Affiliation(s)
- Carolina de Weerth
- Department of Cognitive Neuroscience, Donders Institute for Brain, Cognition, and Behavior, Radboud University Medical Center, EN Nijmegen, The Netherlands
| | - Anna-Katariina Aatsinki
- FinnBrain Birth Cohort Study, Turku Brain and Mind Center, Department of Clinical Medicine, University of Turku, Turku, Finland
| | - Meghan B Azad
- Department of Pediatrics and Child Health, Manitoba Interdisciplinary Lactation Centre, Children's Hospital Research Institute of Manitoba, University of Manitoba, Winnipeg, Manitoba, Canada
| | - Frank F Bartol
- Department of Anatomy, Physiology and Pharmacology, College of Veterinary Medicine, Auburn University, Auburn, Alabama, USA
| | - Lars Bode
- Department of Pediatrics and Mother-Milk-Infant Center of Research Excellence (MOMI CORE), University of California San Diego, La Jolla, California, USA
| | - Maria Carmen Collado
- Department of Biotechnology, Institute of Agrochemistry and Food Technology-National Research Council (IATA-CSIC), Paterna, Valencia, Spain
| | - Amanda M Dettmer
- Yale Child Study Center, Yale School of Medicine, New Haven, Connecticut, USA
| | - Catherine J Field
- Department of Agricultural, Food and Nutritional Science, College of Basic and Applied Sciences, University of Alberta, Edmonton, Alberta, Canada
| | - Meagan Guilfoyle
- Department of Anthropology, Indiana University, Bloomington, Indiana, USA
| | - Katie Hinde
- School of Human Evolution and Social Change, Arizona State University, Tempe, Arizona, USA
| | - Aniko Korosi
- Swammerdam Institute for Life Sciences, Center for Neuroscience, Brain Plasticity group, University of Amsterdam, Amsterdam, The Netherlands
| | - Hellen Lustermans
- Department of Cognitive Neuroscience, Donders Institute for Brain, Cognition, and Behavior, Radboud University Medical Center, EN Nijmegen, The Netherlands
| | - Nurul Husna Mohd Shukri
- Department of Nutrition, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Selangor, Malaysia
| | - Sophie E Moore
- Department of Women & Children's Health, King's College London, St Thomas' Hospital, London, UK
- School of Hygiene and Tropical Medicine, Nutrition Theme, MRC Unit The Gambia and the London, Fajara, The GambiaBanjul
| | - Shikha Pundir
- The Liggins Institute, The University of Auckland, Auckland, New Zealand
| | - Juan Miguel Rodriguez
- Department of Nutrition and Food Science, Complutense University of Madrid, Madrid, Spain
| | - Carolyn M Slupsky
- Department of Nutrition and Department of Food Science and Technology, University of California, Davis, California, USA
| | - Sarah Turner
- Department of Community Health Sciences, Manitoba Interdisciplinary Lactation Centre, Children's Hospital Research Institute of Manitoba, University of Manitoba, Winnipeg, Manitoba, Canada
| | - Johannes B van Goudoever
- Department of Pediatrics, Amsterdam UMC, University of Amsterdam, Vrije Universiteit, Emma Children's Hospital, Amsterdam, The Netherlands
| | - Anna Ziomkiewicz
- Department of Anthropology, Institute of Zoology and Biomedical Research, Jagiellonian University, Krakow, Poland
| | - Roseriet Beijers
- Department of Cognitive Neuroscience, Donders Institute for Brain, Cognition, and Behavior, Radboud University Medical Center, EN Nijmegen, The Netherlands
- Department of Social Development, Behavioural Science Institute, Radboud University, Nijmegen, The Netherlands
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Villanueva-Cabello TM, Gutiérrez-Valenzuela LD, Salinas-Marín R, López-Guerrero DV, Martínez-Duncker I. Polysialic Acid in the Immune System. Front Immunol 2022; 12:823637. [PMID: 35222358 PMCID: PMC8873093 DOI: 10.3389/fimmu.2021.823637] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2021] [Accepted: 12/28/2021] [Indexed: 01/01/2023] Open
Abstract
Polysialic acid (polySia) is a highly regulated polymer of sialic acid (Sia) with such potent biophysical characteristics that when expressed drastically influences the interaction properties of cells. Although much of what is known of polySia in mammals has been elucidated from the study of its role in the central nervous system (CNS), polySia is also expressed in other tissues, including the immune system where it presents dynamic changes during differentiation, maturation, and activation of different types of immune cells of the innate and adaptive response, being involved in key regulatory mechanisms. At least six polySia protein carriers (CCR7, ESL-1, NCAM, NRP2, ST8Sia 2, and ST8Sia 4) are expressed in different types of immune cells, but there is still much to be explored in regard not only to the regulatory mechanisms that determine their expression and the structure of polySia chains but also to the identification of the cis- and trans- ligands of polySia that establish signaling networks. This review summarizes the current knowledge on polySia in the immune system, addressing its biosynthesis, its tools for identification and structural characterization, and its functional roles and therapeutic implications.
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Affiliation(s)
- Tania M. Villanueva-Cabello
- Laboratorio de Glicobiología Humana y Diagnóstico Molecular, Centro de Investigación en Dinámica Celular, Instituto de Investigación en Ciencias Básicas y Aplicadas, Universidad Autónoma del Estado de Morelos, Cuernavaca, Mexico
| | - Lya D. Gutiérrez-Valenzuela
- Laboratorio de Glicobiología Humana y Diagnóstico Molecular, Centro de Investigación en Dinámica Celular, Instituto de Investigación en Ciencias Básicas y Aplicadas, Universidad Autónoma del Estado de Morelos, Cuernavaca, Mexico
- Instituto de Biotecnología, Universidad Nacional Autónoma de México, Cuernavaca, Mexico
| | - Roberta Salinas-Marín
- Laboratorio de Glicobiología Humana y Diagnóstico Molecular, Centro de Investigación en Dinámica Celular, Instituto de Investigación en Ciencias Básicas y Aplicadas, Universidad Autónoma del Estado de Morelos, Cuernavaca, Mexico
| | | | - Iván Martínez-Duncker
- Laboratorio de Glicobiología Humana y Diagnóstico Molecular, Centro de Investigación en Dinámica Celular, Instituto de Investigación en Ciencias Básicas y Aplicadas, Universidad Autónoma del Estado de Morelos, Cuernavaca, Mexico
- *Correspondence: Iván Martínez-Duncker,
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Vandenplas Y, Żołnowska M, Berni Canani R, Ludman S, Tengelyi Z, Moreno-Álvarez A, Goh AEN, Gosoniu ML, Kirwan BA, Tadi M, Heine RG. Effects of an Extensively Hydrolyzed Formula Supplemented with Two Human Milk Oligosaccharides on Growth, Tolerability, Safety and Infection Risk in Infants with Cow's Milk Protein Allergy: A Randomized, Multi-Center Trial. Nutrients 2022; 14:530. [PMID: 35276889 PMCID: PMC8839689 DOI: 10.3390/nu14030530] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 01/18/2022] [Accepted: 01/20/2022] [Indexed: 02/04/2023] Open
Abstract
This randomized clinical trial (Registration: NCT03085134) assessed if an extensively hydrolyzed formula (EHF) supplemented with two human milk oligosaccharides (HMO) and reduced protein content (2.20 g/100 kcal) supports normal growth in infants with cow’s milk protein allergy (CMPA). Secondary outcomes were gastrointestinal tolerability, safety, and effect on infections. Nonbreastfed infants aged 0−6 months with CMPA were enrolled. Body weight, length, and head circumference were measured monthly for 4 months (primary study endpoint), after 6 months, and at the age of 12 months. Of 200 infants screened, 194 (mean age 3.2 months) were randomized. At the 4-month follow-up, daily weight gain for the test formula was noninferior to the control formula; p < 0.005. There were no significant group differences in anthropometric parameters. Both formulas were safe and well tolerated. Infants in the HMO group had a statistically significant reduction in the frequency of upper respiratory tract infections and a lower incidence of ear infections at 12 months (per protocol analysis). The relative risk of lower respiratory tract and gastrointestinal infections was reduced by 30−40%, but this was not statistically significant due to sample size limitations. In summary, the HMO-supplemented formula supports normal growth in infants with CMPA and suggests a protective effect against respiratory and ear infections in the first year of life.
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Affiliation(s)
- Yvan Vandenplas
- UZ Brussel KidZ Health Castle, Vrije Universiteit Brussel, 1090 Brussels, Belgium
| | | | - Roberto Berni Canani
- Department of Translational Medical Science, University Federico II, 80131 Naples, Italy;
| | - Siân Ludman
- Royal Devon and Exeter NHS Foundation Trust, Exeter EX2 5DW, UK;
| | | | - Ana Moreno-Álvarez
- Department of Pediatrics, A Coruña University Hospital, 15006 A Coruña, Spain;
| | - Anne E. N. Goh
- KK Women’s and Children’s Hospital, Singapore 229899, Singapore;
| | | | | | - Monika Tadi
- Nestlé Health Science, 1800 Vevey, Switzerland; (M.T.); (R.G.H.)
| | - Ralf G. Heine
- Nestlé Health Science, 1800 Vevey, Switzerland; (M.T.); (R.G.H.)
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Sprenger N, Tytgat HL, Binia A, Austin S, Singhal A. Biology of human milk oligosaccharides: from Basic Science to Clinical Evidence. J Hum Nutr Diet 2022; 35:280-299. [PMID: 35040200 PMCID: PMC9304252 DOI: 10.1111/jhn.12990] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Accepted: 01/05/2022] [Indexed: 11/28/2022]
Abstract
Human milk oligosaccharides (HMOs) have been researched by scientists for over 100 years, driven by the substantial evidence for the nutritional and health benefits of mother's milk. Yet research has truly bloomed during the last decade, thanks to the progress in biotechnology, which allowed the production of large amounts of bona fide HMOs. The availability of HMOs has been particularly crucial for the renewed interest in HMO research because of the low abundance or even absence of HMOs in farmed animal milk. This interest is reflected in the increasing number of original research publications and reviews on HMOs. Here, we provide an overview and critical discussion on structure function relations of HMOs that highlight why they are such interesting and important components of human milk. Clinical observations in breastfed infants backed by basic research from animal models provide guidance as to what physiological roles for HMOs are to be expected. From an evidence-based nutrition viewpoint, we discuss the current data supporting clinical relevance of specific HMOs based on randomized placebo controlled clinical intervention trials in formula-fed infants. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Norbert Sprenger
- Nestlé Institute of Health Sciences, Nestlé Research, Société des Produits Nestlé S.A., Lausanne, Switzerland
| | - Hanne Lp Tytgat
- Nestlé Institute of Health Sciences, Nestlé Research, Société des Produits Nestlé S.A., Lausanne, Switzerland
| | - Aristea Binia
- Nestlé Institute of Health Sciences, Nestlé Research, Société des Produits Nestlé S.A., Lausanne, Switzerland
| | - Sean Austin
- Nestlé Institute of Food Safety and Analytical Sciences, Nestlé Research, Société des Produits Nestlé S.A., Lausanne, Switzerland
| | - Atul Singhal
- Institute of Child Health, University College London, London, WC1N 1EH, United Kingdom
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Wang Y, Ze X, Rui B, Li X, Zeng N, Yuan J, Li W, Yan J, Li M. Studies and Application of Sialylated Milk Components on Regulating Neonatal Gut Microbiota and Health. Front Nutr 2021; 8:766606. [PMID: 34859034 PMCID: PMC8631720 DOI: 10.3389/fnut.2021.766606] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2021] [Accepted: 10/18/2021] [Indexed: 12/13/2022] Open
Abstract
Breast milk is rich in sialic acids (SA), which are commonly combined with milk oligosaccharides and glycoconjugates. As a functional nutrient component, SA-containing milk components have received increasing attention in recent years. Sialylated human milk oligosaccharides (HMOs) have been demonstrated to promote the growth and metabolism of beneficial gut microbiota in infants, bringing positive outcomes to intestinal health and immune function. They also exhibit antiviral and bacteriostatic activities in the intestinal mucosa of new-borns, thereby inhibiting the adhesion of pathogens to host cells. These properties play a pivotal role in regulating the intestinal microbial ecosystem and preventing the occurrence of neonatal inflammatory diseases. In addition, some recent studies also support the promoting effects of sialylated HMOs on neonatal bone and brain development. In addition to HMOs, sialylated glycoproteins and glycolipids are abundant in milk, and are also critical to neonatal health. This article reviews the current research progress in the regulation of sialylated milk oligosaccharides and glycoconjugates on neonatal gut microbiota and health.
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Affiliation(s)
- Yushuang Wang
- College of Basic Medical Science, Dalian Medical University, Dalian, China
| | - Xiaolei Ze
- Science and Technology Centre, By-Health Co., Ltd., Guangzhou, China
| | - Binqi Rui
- College of Basic Medical Science, Dalian Medical University, Dalian, China
| | - Xinke Li
- College of Basic Medical Science, Dalian Medical University, Dalian, China
| | - Nina Zeng
- Science and Technology Centre, By-Health Co., Ltd., Guangzhou, China
| | - Jieli Yuan
- College of Basic Medical Science, Dalian Medical University, Dalian, China
| | - Wenzhe Li
- 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 (CAS), Dalian, China
| | - Ming Li
- College of Basic Medical Science, Dalian Medical University, Dalian, China
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Pisa E, Martire A, Chiodi V, Traversa A, Caputo V, Hauser J, Macrì S. Exposure to 3'Sialyllactose-Poor Milk during Lactation Impairs Cognitive Capabilities in Adulthood. Nutrients 2021; 13:nu13124191. [PMID: 34959743 PMCID: PMC8707534 DOI: 10.3390/nu13124191] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2021] [Revised: 11/13/2021] [Accepted: 11/16/2021] [Indexed: 11/17/2022] Open
Abstract
Breast milk exerts pivotal regulatory functions early in development whereby it contributes to the maturation of brain and associated cognitive functions. However, the specific components of maternal milk mediating this process have remained elusive. Sialylated human milk oligosaccharides (HMOs) represent likely candidates since they constitute the principal neonatal dietary source of sialic acid, which is crucial for brain development and neuronal patterning. We hypothesize that the selective neonatal lactational deprivation of a specific sialylated HMOs, sialyl(alpha2,3)lactose (3′SL), may impair cognitive capabilities (attention, cognitive flexibility, and memory) in adulthood in a preclinical model. To operationalize this hypothesis, we cross-fostered wild-type (WT) mouse pups to B6.129-St3gal4tm1.1Jxm/J dams, knock-out (KO) for the gene synthesizing 3′SL, thereby providing milk with approximately 80% 3′SL content reduction. We thus exposed lactating WT pups to a selective reduction of 3′SL and investigated multiple cognitive domains (including memory and attention) in adulthood. Furthermore, to account for the underlying electrophysiological correlates, we investigated hippocampal long-term potentiation (LTP). Neonatal access to 3′SL-poor milk resulted in decreased attention, spatial and working memory, and altered LTP compared to the control group. These results support the hypothesis that early-life dietary sialylated HMOs exert a long-lasting role in the development of cognitive functions.
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Affiliation(s)
- Edoardo Pisa
- Centre for Behavioural Sciences and Mental Health, Istituto Superiore di Sanità, 00161 Rome, Italy;
- Department of Physiology and Pharmacology, Sapienza University of Rome, 00185 Rome, Italy
| | - Alberto Martire
- National Centre for Drug Research and Evaluation, Istituto Superiore di Sanità, 00161 Rome, Italy; (A.M.); (V.C.)
| | - Valentina Chiodi
- National Centre for Drug Research and Evaluation, Istituto Superiore di Sanità, 00161 Rome, Italy; (A.M.); (V.C.)
| | - Alice Traversa
- Laboratory of Clinical Genomics, Fondazione IRCCS Casa Sollievo della Sofferenza, 71013 San Giovanni Rotondo, Italy;
| | - Viviana Caputo
- Department of Experimental Medicine, Sapienza University of Rome, 00161 Rome, Italy;
| | - Jonas Hauser
- Brain Health, Nestlé Institute of Health Science, Nestlé Research, Société des Produits Nestlé SA, 1000 Lausanne, Switzerland
- Correspondence: (J.H.); (S.M.); Tel.: +41-21-785-8933 (J.H.); +39-06-4990-6829 (S.M.); Fax: +39-06-4957-821 (S.M.)
| | - Simone Macrì
- Centre for Behavioural Sciences and Mental Health, Istituto Superiore di Sanità, 00161 Rome, Italy;
- Correspondence: (J.H.); (S.M.); Tel.: +41-21-785-8933 (J.H.); +39-06-4990-6829 (S.M.); Fax: +39-06-4957-821 (S.M.)
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Marousez L, Sprenger N, De Lamballerie M, Jaramillo-Ortiz S, Tran L, Micours E, Gottrand F, Howsam M, Tessier FJ, Ley D, Lesage J. High hydrostatic pressure processing of human milk preserves milk oligosaccharides and avoids formation of Maillard reaction products. Clin Nutr 2021; 41:1-8. [PMID: 34861623 DOI: 10.1016/j.clnu.2021.11.013] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2021] [Revised: 10/29/2021] [Accepted: 11/17/2021] [Indexed: 01/21/2023]
Abstract
BACKGROUND & AIMS High hydrostatic pressure (HHP) processing is a non-thermal method proposed as an alternative to Holder pasteurization (HoP) for the treatment of human milk. HHP preserves numerous milk bioactive components that are degraded by HoP, but no data are available for milk oligosaccharides (HMOs) or the formation of Maillard reaction products, which may be deleterious for preterm newborns. METHODS We evaluated the impact of HHP processing of human milk on 22 HMOs measured by liquid chromatography with fluorescence detection and on furosine, lactuloselysine, carboxymethyllysine (CML) and carboxyethyllysine (CEL) measured by liquid chromatography with tandem mass spectrometric detection (LC-MS/MS), four established indicators of the Maillard reaction. Human raw milk was sterilized by HoP (62.5 °C for 30 min) or processed by HHP (350 MPa at 38 °C). RESULTS Neither HHP nor HoP processing affected the concentration of HMOs, but HoP significantly increased furosine, lactuloselysine, CML and CEL levels in milk. CONCLUSIONS Our findings demonstrate that HPP treatment preserves HMOs and avoids formation of Maillard reaction products. Our study confirms and extends previous findings that HHP treatment of human milk provides safe milk, with fewer detrimental effects on the biochemically active milk components than HoP.
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Affiliation(s)
- Lucie Marousez
- Univ. Lille, Inserm, CHU Lille, U1286 - INFINITE - Institute for Translational Research in Inflammation, F-59000 Lille, France
| | - Norbert Sprenger
- Nestlé Institute of Health Sciences, Nestlé Research, Société des Produits Nestlé S.A., Vers-chez-les-Blanc, 1000 Lausanne 26, Switzerland
| | | | - Sarahi Jaramillo-Ortiz
- University of Lille, Inserm, CHU Lille, Pasteur Institute of Lille, U1167 - RID-AGE, F-59000 Lille, France
| | - Léa Tran
- Univ. Lille, Inserm, CHU Lille, U1286 - INFINITE - Institute for Translational Research in Inflammation, F-59000 Lille, France
| | - Edwina Micours
- Univ. Lille, Inserm, CHU Lille, U1286 - INFINITE - Institute for Translational Research in Inflammation, F-59000 Lille, France
| | - Frédéric Gottrand
- Univ. Lille, Inserm, CHU Lille, U1286 - INFINITE - Institute for Translational Research in Inflammation, F-59000 Lille, France; Division of Gastroenterology Hepatology and Nutrition, Department of Paediatrics, Jeanne de Flandre Children's Hospital, CHU Lille, F-59000 Lille, France
| | - Michael Howsam
- University of Lille, Inserm, CHU Lille, Pasteur Institute of Lille, U1167 - RID-AGE, F-59000 Lille, France
| | - Frederic J Tessier
- University of Lille, Inserm, CHU Lille, Pasteur Institute of Lille, U1167 - RID-AGE, F-59000 Lille, France
| | - Delphine Ley
- Univ. Lille, Inserm, CHU Lille, U1286 - INFINITE - Institute for Translational Research in Inflammation, F-59000 Lille, France; Division of Gastroenterology Hepatology and Nutrition, Department of Paediatrics, Jeanne de Flandre Children's Hospital, CHU Lille, F-59000 Lille, France
| | - Jean Lesage
- Univ. Lille, Inserm, CHU Lille, U1286 - INFINITE - Institute for Translational Research in Inflammation, F-59000 Lille, France.
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Bian D, Wang X, Huang J, Chen X, Li H. Maternal Neu5Ac Supplementation During Pregnancy Improves Offspring Learning and Memory Ability in Rats. Front Nutr 2021; 8:641027. [PMID: 34722600 PMCID: PMC8548574 DOI: 10.3389/fnut.2021.641027] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2020] [Accepted: 09/08/2021] [Indexed: 11/13/2022] Open
Abstract
Sialic acids are postulated to improve cognitive abilities. This study aimed to evaluate the effects of sialic acid on behavior when administered in a free form as N-acetylneuraminic acid (Neu5Ac) to pregnant mothers or rat pups. The experiment involved 40 male 21-day-old rat pups and 20 15-day-pregnant rats that were randomized into four Neu5Ac treated groups: 0 (control), or 10, 20, and 40 mg/kg. Morris water maze test and shuttle box test were performed on the rat pups and maternal Neu5Ac-supplemented offspring on day 100 to evaluate their cognitive performance. The Neu5Ac levels in the cerebral cortex and hippocampus were tested with high-performance liquid chromatography-fluorescence detection (HPLC-FLD). We found that the maternal Neu5Ac-supplemented offspring showed better cognitive performance, less escape latency in the Morris water maze test, and less electric shock time shuttle box test, compared with the untreated control. In the meantime, the Neu5Ac level in the cerebral cortex and hippocampus of the offspring was higher in the Neu5Ac treatment group than that in the untreated control group. However, no significant differences were observed between rat pups in the treated and the untreated control groups in terms of cognitive performance and Neu5Ac content in the cerebral cortex and hippocampus. Maternal Neu5Ac supplementation during pregnancy could effectively promote the brain Neu5Ac content of the offspring and enhance their cognitive performance, but Neu5Ac had no such effect on rat pups while directly supplemented with Neu5Ac.
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Affiliation(s)
- DongSheng Bian
- School of Public Health, Xiamen University, Xiamen, China.,Department of Clinical Nutrition, School of Medicine, Ruijin Hospital Affiliated to Shanghai Jiao Tong University, Shanghai, China
| | - Xinyue Wang
- Department of Clinical Nutrition, Zhongshan Hospital, Fudan University (Xiamen Branch), Xiamen, China
| | - Jiale Huang
- School of Public Health, Xiamen University, Xiamen, China
| | - Xiaoxuan Chen
- School of Public Health, Xiamen University, Xiamen, China
| | - Hongwei Li
- School of Public Health, Xiamen University, Xiamen, China
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