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McWilliam V, Netting MJ, Volders E, Palmer DJ. World Allergy Organization (WAO) Diagnosis and Rationale for Action against Cow's Milk Allergy (DRACMA) guidelines update - X - Breastfeeding a baby with cow's milk allergy. World Allergy Organ J 2023; 16:100830. [PMID: 38020284 PMCID: PMC10656250 DOI: 10.1016/j.waojou.2023.100830] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Revised: 10/02/2023] [Accepted: 10/03/2023] [Indexed: 12/01/2023] Open
Abstract
Cow's milk allergy is rare in exclusively breastfed infants. To support the continuation of breastfeeding an infant after diagnosis with a cow's milk allergy, it is critical to examine the evidence for and against any form of cow's milk elimination diet for lactating mothers. In this narrative review, we highlight the lack of high-quality evidence, hence subsequent controversy, regarding whether the minuscule quantities of cow's milk proteins detectable in human milk cause infant cow's milk allergy symptoms. Current clinical practice recommendations advise a 2-4 week trial of maternal cow's milk dietary elimination for: a) IgE-mediated cow's milk allergy only if the infant is symptomatic on breastfeeding alone; b) non-IgE-mediated associated symptoms only if the history and examination strongly suggest cow's milk allergy; and c) infants with moderate to severe eczema/atopic dermatitis, unresponsive to topical steroids and sensitized to cow's milk protein. There should be a clear plan for home reintroduction of cow's milk into the maternal diet for a period of 1 week to determine that the cow's milk elimination is responsible for resolution of symptoms, and then subsequent reoccurrence of infant symptoms upon maternal cow's milk reintroduction. The evidence base to support the use of maternal cow's milk avoidance for the treatment of a breastfed infant with cow's milk allergy is of limited strength due to a lack of high-quality, adequately powered, randomised controlled trials. It is important to consider the consequences of maternal cow's milk avoidance on reducing immune enhancing factors in breast milk, as well as the potential nutritional and quality of life impacts on the mother. Referral to a dietitian is advised for dietary education, along with calcium and vitamin D supplementation according to local recommendations, and a maternal substitute milk should be advised. However, for most breastfed infants with cow's milk allergy maternal cow's milk dietary elimination will not be required, and active support of the mother to continue breastfeeding is essential.
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Affiliation(s)
- Vicki McWilliam
- Murdoch Children's Research Institute, Royal Children's Hospital, Parkville, VIC, Australia
- Department of Allergy and Immunology, Royal Children's Hospital, Melbourne, VIC, Australia
- Department of Paediatrics, University of Melbourne, Parkville, VIC, Australia
| | - Merryn J. Netting
- Women and Kids Theme, South Australian Health and Medical Research Institute, Adelaide, SA, Australia
- School of Medicine, University of Adelaide, Adelaide, SA, Australia
- Nutrition Department, Women's and Children's Health Network, North Adelaide, SA, Australia
| | - Evelyn Volders
- Nutrition, Dietetics & Food, Monash University, Clayton, Vic, Australia
| | - Debra J. Palmer
- Telethon Kids Institute, University of Western Australia, Nedlands, WA, Australia
- School of Medicine, University of Western Australia, Crawley, WA, Australia
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Soukka J, Polari L, Kalliomäki M, Saros L, Laajala TD, Vahlberg T, Toivola DM, Laitinen K. The Effect of a Fish Oil and/or Probiotic Intervention from Early Pregnancy Onwards on Colostrum Immune Mediators: A Randomized, Placebo-Controlled, Double-Blinded Clinical Trial in Overweight/Obese Mothers. Mol Nutr Food Res 2023; 67:e2200446. [PMID: 37326413 DOI: 10.1002/mnfr.202200446] [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: 07/05/2022] [Revised: 04/23/2023] [Indexed: 06/17/2023]
Abstract
SCOPE Modifying the composition of colostrum by external factors may provide opportunities to improve the infant's health. Here, we evaluated how fish oil and/or probiotics supplementation modify concentrations of colostrum immune mediators and their associations with perinatal clinical factors on mothers with overweight/obesity. METHODS AND RESULTS Pregnant women were randomized in a double-blind manner into four intervention groups, and the supplements were consumed daily from early pregnancy onwards. Colostrum samples were collected from 187 mothers, and 16 immune mediators were measured using bead-based immunoassays. Interventions modified colostrum composition; the fish oil+probiotics group had higher concentrations of IL-12p70 than probiotics+placebo and higher FMS-like tyrosine kinase 3 ligand (FLT-3L) than fish oil+placebo and probiotics+placebo (one-way analysis of variance, post-hoc Tukey's test). Although the fish oil+probiotics group had higher levels of IFNα2 compared to the fish oil+placebo group, these differences were not statistically significant after correction for multiple testing. Multivariate linear model revealed significant associations between several immune mediators and the perinatal use of medication. CONCLUSION Fish oil/probiotics intervention exerted a minor effect on concentrations of colostrum immune mediators. However, medication during the perinatal period modulated the immune mediators. These changes in colostrum's composition may contribute to immune system development in the infant.
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Affiliation(s)
- Jenni Soukka
- Institute of Biomedicine, Research Centre for Integrative Physiology and Pharmacology, University of Turku, Kiinamyllynkatu 10, Turku, FI-20520, Finland
| | - Lauri Polari
- Department of Biosciences, Cell Biology, Faculty of Science and Engineering, Åbo Akademi University, Turku, FI-20520, Finland
- InFLAMES Research Flagship Center, Turku, FI-20520, Finland
| | - Marko Kalliomäki
- Department of Pediatrics, University of Turku, Turku, FI-20521, Finland
- Department of Pediatrics, Turku University Hospital, Turku, FI-20521, Finland
| | - Lotta Saros
- Institute of Biomedicine, Research Centre for Integrative Physiology and Pharmacology, University of Turku, Turku, FI-20520, Finland
| | - Teemu D Laajala
- Biomathematics Research Group, Fican West Cancer Centre, University of Turku, Turku, FI-20500, Finland
- Department of Mathematics and Statistics, University of Turku, Turku, FI-20014, Finland
| | - Tero Vahlberg
- Institute of Clinical Medicine, Biostatistics, University of Turku, Turku, FI-20014, Finland
| | - Diana M Toivola
- Department of Biosciences, Cell Biology, Faculty of Science and Engineering, Åbo Akademi University, Turku, FI-20520, Finland
- InFLAMES Research Flagship Center, Turku, FI-20520, Finland
| | - Kirsi Laitinen
- Institute of Biomedicine, Research Centre for Integrative Physiology and Pharmacology, University of Turku, Turku, FI-20520, Finland
- Functional Foods Forum, University of Turku, Turku, FI-20014, Finland
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3
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Bermejo-Haro MY, Camacho-Pacheco RT, Brito-Pérez Y, Mancilla-Herrera I. The hormonal physiology of immune components in breast milk and their impact on the infant immune response. Mol Cell Endocrinol 2023:111956. [PMID: 37236499 DOI: 10.1016/j.mce.2023.111956] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Revised: 05/11/2023] [Accepted: 05/12/2023] [Indexed: 05/28/2023]
Abstract
During pregnancy, the maternal body undergoes a considerable transformation regarding the anatomy, metabolism, and immune profile that, after delivery, allows for protection and nourishment of the offspring via lactation. Pregnancy hormones are responsible for the development and functionality of the mammary gland for breast milk production, but little is known about how hormones control its immune properties. Breast milk composition is highly dynamic, adapting to the nutritional and immunological needs that the infant requires in the first months of life and is responsible for the main immune modeling of breastfed newborns. Therefore, alterations in the mechanisms that control the endocrinology of mammary gland adaptation for lactation could disturb the properties of breast milk that prepare the neonatal immune system to respond to the first immunologic challenges. In modern life, humans are chronically exposed to endocrine disruptors (EDs), which alter the endocrine physiology of mammals, affecting the composition of breast milk and hence the neonatal immune response. In this review, we provide a landscape of the possible role of hormones in the control of passive immunity transferred by breast milk and the possible effect of maternal exposure to EDs on lactation, as well as their impacts on the development of neonatal immunity.
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Affiliation(s)
- Mextli Y Bermejo-Haro
- Infectology and Immunology Department, National Institute of Perinatology (INPer), Mexico City, Mexico; Departamento de Inmunología, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Ciudad de México, Mexico; Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Mexico City, 11340, Mexico
| | - Rodrigo T Camacho-Pacheco
- Infectology and Immunology Department, National Institute of Perinatology (INPer), Mexico City, Mexico; Departamento de Inmunología, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Ciudad de México, Mexico; Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Mexico City, 11340, Mexico
| | - Yesenia Brito-Pérez
- Infectology and Immunology Department, National Institute of Perinatology (INPer), Mexico City, Mexico; Departamento de Inmunología, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Ciudad de México, Mexico; Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Mexico City, 11340, Mexico
| | - Ismael Mancilla-Herrera
- Infectology and Immunology Department, National Institute of Perinatology (INPer), Mexico City, Mexico.
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Donovan SM, Aghaeepour N, Andres A, Azad MB, Becker M, Carlson SE, Järvinen KM, Lin W, Lönnerdal B, Slupsky CM, Steiber AL, Raiten DJ. Evidence for human milk as a biological system and recommendations for study design-a report from "Breastmilk Ecology: Genesis of Infant Nutrition (BEGIN)" Working Group 4. Am J Clin Nutr 2023; 117 Suppl 1:S61-S86. [PMID: 37173061 PMCID: PMC10356565 DOI: 10.1016/j.ajcnut.2022.12.021] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Revised: 12/06/2022] [Accepted: 12/08/2022] [Indexed: 05/15/2023] Open
Abstract
Human milk contains all of the essential nutrients required by the infant within a complex matrix that enhances the bioavailability of many of those nutrients. In addition, human milk is a source of bioactive components, living cells and microbes that facilitate the transition to life outside the womb. Our ability to fully appreciate the importance of this matrix relies on the recognition of short- and long-term health benefits and, as highlighted in previous sections of this supplement, its ecology (i.e., interactions among the lactating parent and breastfed infant as well as within the context of the human milk matrix itself). Designing and interpreting studies to address this complexity depends on the availability of new tools and technologies that account for such complexity. Past efforts have often compared human milk to infant formula, which has provided some insight into the bioactivity of human milk, as a whole, or of individual milk components supplemented with formula. However, this experimental approach cannot capture the contributions of the individual components to the human milk ecology, the interaction between these components within the human milk matrix, or the significance of the matrix itself to enhance human milk bioactivity on outcomes of interest. This paper presents approaches to explore human milk as a biological system and the functional implications of that system and its components. Specifically, we discuss study design and data collection considerations and how emerging analytical technologies, bioinformatics, and systems biology approaches could be applied to advance our understanding of this critical aspect of human biology.
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Affiliation(s)
- Sharon M Donovan
- Department of Food Science and Human Nutrition, University of Illinois, Urbana-Champaign, IL, USA.
| | - Nima Aghaeepour
- Department of Anesthesiology, Pain, and Perioperative Medicine, Department of Pediatrics, and Department of Biomedical Data Sciences, School of Medicine, Stanford University, Stanford, CA, USA
| | - Aline Andres
- Arkansas Children's Nutrition Center and Department of Pediatrics, University of Arkansas for Medical Sciences, Little Rock, AR, USA
| | - Meghan B Azad
- Manitoba Interdisciplinary Lactation Centre (MILC), Children's Hospital Research Institute of Manitoba, Department of Pediatrics and Child Health and Department of Immunology, University of Manitoba, Winnipeg, Manitoba, Canada
| | - Martin Becker
- Department of Anesthesiology, Pain, and Perioperative Medicine, Department of Pediatrics, and Department of Biomedical Data Sciences, School of Medicine, Stanford University, Stanford, CA, USA
| | - Susan E Carlson
- Department of Dietetics and Nutrition, University of Kansas Medical Center, Kansas City, KS, USA
| | - Kirsi M Järvinen
- Department of Pediatrics, Division of Allergy and Immunology and Center for Food Allergy, University of Rochester Medical Center, New York, NY, USA
| | - Weili Lin
- Biomedical Research Imaging Center and Department of Radiology, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Bo Lönnerdal
- Department of Nutrition, University of California, Davis, CA, USA
| | - Carolyn M Slupsky
- Department of Nutrition, University of California, Davis, CA, USA; Department of Food Science and Technology, University of California, Davis, CA, USA
| | | | - Daniel J Raiten
- Pediatric Growth and Nutrition Branch, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD, USA
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Abe S, Onoda R, Furushima D, Yamada H, Tamura Y, Sayama K. Detection of CCL25 and the correlation between CCL25, CCL28, IL-7, and TSLP in human breast milk. J Reprod Immunol 2023; 155:103783. [PMID: 36528910 DOI: 10.1016/j.jri.2022.103783] [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: 06/16/2022] [Revised: 11/21/2022] [Accepted: 12/01/2022] [Indexed: 12/12/2022]
Abstract
In this study, CCL25, a chemokine that contributes to the immunological function of the thymus and intestines, was detected in human breast milk (HBM) for the first time. We then focused on the correlations of CCL25 with CCL28, TSLP, and IL-7, which were predicted to interact with CCL25 in HBM. We also compared their levels between primiparous and multiparous women. A total of 53 parturient women were recruited. Their HBM was collected during 0-5 days and at 1 month after parturition and the CCL25, CCL28, IL-7, and TSLP levels in the HBM were analyzed using ELISA. The results showed that CCL25 and TSLP levels were significantly higher in colostrum than in mature milk. Moreover, CCL28 and IL-7 levels in colostrum showed a positive correlation. These results indicate that CCL28 and IL-7 in colostrum might interact positively with each other when produced in the mammary glands during lactation. The findings also suggest that the level of parity has no effect on their levels in HBM. In conclusion, our results clarify that CCL25 is present in HBM and that the concentrations of CCL25 and TSLP are higher in colostrum than in mature milk. Moreover, the production of CCL28 and IL-7 might be closely correlated in human colostrum.
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Affiliation(s)
- Saori Abe
- Graduate School of Science and Technology, Shizuoka University, 836 Ohya, Suruga-ku, Shizuoka 422-8529, Japan
| | - Ryo Onoda
- Department of Gynecology and Obstetrics, Shizuoka Saiseikai General Hospital, 1-1-1 Oshika, Suruga-ku, Shizuoka 422-8527, Japan
| | - Daisuke Furushima
- Faculty of Medicine, School of Health Science, Kagoshima University, 8-35-1 Sakuragaoka, Kagoshima 890-8544, Japan; Department of Drug Evaluation and Informatics, Graduate School of Pharmaceutical Sciences, University of Shizuoka, 52-1 Yata, Suruga-ku, Shizuoka 422-8526, Japan
| | - Hiroshi Yamada
- Department of Drug Evaluation and Informatics, Graduate School of Pharmaceutical Sciences, University of Shizuoka, 52-1 Yata, Suruga-ku, Shizuoka 422-8526, Japan
| | - Yoshihiro Tamura
- Department of Gynecology and Obstetrics, Shizuoka Saiseikai General Hospital, 1-1-1 Oshika, Suruga-ku, Shizuoka 422-8527, Japan; Department of Gynecology and Obstetrics, Tamura Women's Clinic, 3-3 Katayama, Suruga-ku, Shizuoka 422-8023, Japan
| | - Kazutoshi Sayama
- Graduate School of Science and Technology, Shizuoka University, 836 Ohya, Suruga-ku, Shizuoka 422-8529, Japan.
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Dawod B, Marshall JS, Azad MB. Breastfeeding and the developmental origins of mucosal immunity: how human milk shapes the innate and adaptive mucosal immune systems. Curr Opin Gastroenterol 2021; 37:547-556. [PMID: 34634003 DOI: 10.1097/mog.0000000000000778] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
PURPOSE OF REVIEW Breastfeeding provides passive immunity while the neonatal immune system matures, and may also protect against chronic immune-mediated conditions long after weaning. This review summarizes current knowledge and new discoveries about human milk and mucosal immunity. RECENT FINDINGS New data suggest that certain microbes in maternal milk may seed and shape the infant gut microbiota, which play a key role in regulating gut barrier integrity and training the developing immune system. Human milk oligosaccharides, best known for their prebiotic functions, have now been shown to directly modulate gene expression in mast and goblet cells in the gastrointestinal tract. Epidemiologic data show a reduced risk of peanut sensitization among infants breastfed by peanut-consuming mothers, suggesting a role for milk-borne food antigens in tolerance development. Cross-fostering experiments in mice suggest the soluble Toll-like receptor 2, found in human milk, may be critical in this process. Finally, interest in human milk antibodies surged during the pandemic with the identification of neutralizing severe acute respiratory syndrome coronavirus 2 antibodies in maternal milk following both natural infection and vaccination. SUMMARY Human milk provides critical immune protection and stimulation to breastfed infants. Understanding the underlying mechanisms could identify new therapeutic targets and strategies for disease prevention across the lifespan.
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Affiliation(s)
- Bassel Dawod
- Department of Pathology
- Department of Microbiology and Immunology, Dalhousie University, Halifax, Nova Scotia
| | - Jean S Marshall
- Department of Pathology
- Department of Microbiology and Immunology, Dalhousie University, Halifax, Nova Scotia
| | - Meghan B Azad
- Manitoba Interdisciplinary Lactation Centre (MILC), Children's Hospital Research Institute of Manitoba
- Department of Pediatrics and Child Health
- Department of Immunology, University of Manitoba, Winnipeg, Manitoba, Canada
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7
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Seppo AE, Choudhury R, Pizzarello C, Palli R, Fridy S, Rajani PS, Stern J, Martina C, Yonemitsu C, Bode L, Bu K, Tamburini S, Piras E, Wallach DS, Allen M, Looney RJ, Clemente JC, Thakar J, Järvinen KM. Traditional Farming Lifestyle in Old Older Mennonites Modulates Human Milk Composition. Front Immunol 2021; 12:741513. [PMID: 34707611 PMCID: PMC8545059 DOI: 10.3389/fimmu.2021.741513] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Accepted: 09/01/2021] [Indexed: 01/11/2023] Open
Abstract
Background In addition to farming exposures in childhood, maternal farming exposures provide strong protection against allergic disease in their children; however, the effect of farming lifestyle on human milk (HM) composition is unknown. Objective This study aims to characterize the maternal immune effects of Old Order Mennonite (OOM) traditional farming lifestyle when compared with Rochester (ROC) families at higher risk for asthma and allergic diseases using HM as a proxy. Methods HM samples collected at median 2 months of lactation from 52 OOM and 29 ROC mothers were assayed for IgA1 and IgA2 antibodies, cytokines, endotoxin, HM oligosaccharides (HMOs), and targeted fatty acid (FA) metabolites. Development of early childhood atopic diseases in children by 3 years of age was assessed. In addition to group comparisons, systems level network analysis was performed to identify communities of multiple HM factors in ROC and OOM lifestyle. Results HM contains IgA1 and IgA2 antibodies broadly recognizing food, inhalant, and bacterial antigens. OOM HM has significantly higher levels of IgA to peanut, ovalbumin, dust mites, and Streptococcus equii as well TGF-β2, and IFN-λ3. A strong correlation occurred between maternal antibiotic use and levels of several HMOs. Path-based analysis of HMOs shows lower activity in the path involving lactoneohexaose (LNH) in the OOM as well as higher levels of lacto-N-neotetraose (LNnT) and two long-chain FAs C-18OH (stearic acid) and C-23OH (tricosanoic acid) compared with Rochester HM. OOM and Rochester milk formed five different clusters, e.g., butyrate production was associated with Prevotellaceae, Veillonellaceae, and Micrococcaceae cluster. Development of atopic disease in early childhood was more common in Rochester and associated with lower levels of total IgA, IgA2 to dust mite, as well as of TSLP. Conclusion Traditional, agrarian lifestyle, and antibiotic use are strong regulators of maternally derived immune and metabolic factors, which may have downstream implications for postnatal developmental programming of infant's gut microbiome and immune system.
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Affiliation(s)
- Antti E. Seppo
- Division of Allergy and Immunology and Center for Food Allergy, Department of Pediatrics, University of Rochester School of Medicine and Dentistry and Golisano Children’s Hospital, Rochester, NY, United States
| | - Rakin Choudhury
- Department of Microbiology and Immunology and Department of Biostatistics and Computational Biology, University of Rochester School of Medicine and Dentistry, Rochester, NY, United States
| | - Catherine Pizzarello
- Division of Allergy and Immunology and Center for Food Allergy, Department of Pediatrics, University of Rochester School of Medicine and Dentistry and Golisano Children’s Hospital, Rochester, NY, United States
| | - Rohith Palli
- Medical Scientist Training Program, University of Rochester School of Medicine and Dentistry, Rochester, NY, United States
| | - Sade Fridy
- Division of Allergy and Immunology and Center for Food Allergy, Department of Pediatrics, University of Rochester School of Medicine and Dentistry and Golisano Children’s Hospital, Rochester, NY, United States
| | - Puja Sood Rajani
- Division of Allergy and Immunology and Center for Food Allergy, Department of Pediatrics, University of Rochester School of Medicine and Dentistry and Golisano Children’s Hospital, Rochester, NY, United States
| | - Jessica Stern
- Division of Allergy and Immunology and Center for Food Allergy, Department of Pediatrics, University of Rochester School of Medicine and Dentistry and Golisano Children’s Hospital, Rochester, NY, United States
| | - Camille Martina
- Department of Public Health Sciences & Environmental Medicine, University of Rochester School of Medicine and Dentistry, Rochester, NY, United States
| | - Chloe Yonemitsu
- Division of Neonatology and Division of Gastroenterology, Hepatology and Nutrition, Department of Pediatrics, University of California, San Diego, La Jolla, CA, United States
| | - Lars Bode
- Division of Neonatology and Division of Gastroenterology, Hepatology and Nutrition, Department of Pediatrics, University of California, San Diego, La Jolla, CA, United States,Mother-Milk-Infant Center of Research Excellence (MOMI CORE), University of California, San Diego, La Jolla, CA, United States
| | - Kevin Bu
- Department of Genetics and Genomic Sciences, Icahn Institute for Data Science and Genomic Technology, Precision Immunology Institue, Icahn School of Medicine at Mount Sinai, New York, New York, NY, United States
| | - Sabrina Tamburini
- Department of Genetics and Genomic Sciences, Icahn Institute for Data Science and Genomic Technology, Precision Immunology Institue, Icahn School of Medicine at Mount Sinai, New York, New York, NY, United States
| | - Enrica Piras
- Department of Genetics and Genomic Sciences, Icahn Institute for Data Science and Genomic Technology, Precision Immunology Institue, Icahn School of Medicine at Mount Sinai, New York, New York, NY, United States
| | - David S. Wallach
- Department of Genetics and Genomic Sciences, Icahn Institute for Data Science and Genomic Technology, Precision Immunology Institue, Icahn School of Medicine at Mount Sinai, New York, New York, NY, United States
| | - Maria Allen
- Division of Allergy, Immunology, and Rheumatology, Department of Medicine, University of Rochester School of Medicine and Dentistry, Rochester, NY, United States
| | - R. John Looney
- Division of Allergy, Immunology, and Rheumatology, Department of Medicine, University of Rochester School of Medicine and Dentistry, Rochester, NY, United States
| | - Jose C. Clemente
- Department of Genetics and Genomic Sciences, Icahn Institute for Data Science and Genomic Technology, Precision Immunology Institue, Icahn School of Medicine at Mount Sinai, New York, New York, NY, United States
| | - Juilee Thakar
- Department of Microbiology and Immunology and Department of Biostatistics and Computational Biology, University of Rochester School of Medicine and Dentistry, Rochester, NY, United States
| | - Kirsi M. Järvinen
- Division of Allergy and Immunology and Center for Food Allergy, Department of Pediatrics, University of Rochester School of Medicine and Dentistry and Golisano Children’s Hospital, Rochester, NY, United States,Division of Allergy, Immunology, and Rheumatology, Department of Medicine, University of Rochester School of Medicine and Dentistry, Rochester, NY, United States,*Correspondence: Kirsi M. Järvinen,
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8
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Bawany F, Beck LA, Järvinen KM. Halting the March: Primary Prevention of Atopic Dermatitis and Food Allergies. THE JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY-IN PRACTICE 2021; 8:860-875. [PMID: 32147139 DOI: 10.1016/j.jaip.2019.12.005] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 09/26/2019] [Revised: 12/04/2019] [Accepted: 12/05/2019] [Indexed: 12/13/2022]
Abstract
Atopic dermatitis (AD) is one of the most common inflammatory skin conditions, affecting 15% to 30% of children and 2% to 10% of adults. Population-based studies suggest that having AD is associated with subsequent development of other atopic diseases, in what is known as the "atopic march." We will provide an overview of studies that investigate primary prevention strategies for the first 2 diseases in the march, namely, AD and food allergies (FA). These strategies include emollients, breastfeeding, microbial exposures, probiotics, vitamin D and UV light, water hardness, and immunotherapy. Some studies, including randomized controlled trials on emollients and microbial supplementation, have found encouraging results; however, the evidence remains limited and contradictory. With regard to breastfeeding, microbial and lifestyle exposures, vitamin D and UV light, water hardness, and immunotherapy, the lack of randomized controlled trials makes it difficult to draw definitive conclusions. Current American Academy of Pediatrics guidelines support the idea that breastfeeding for 3 to 4 months can decrease AD incidence in children less than 2 years old. Recommendations regarding a direct relationship between breastfeeding on FA, however, cannot be made because of insufficient data. Regarding microbial supplementation, most guidelines do not recommend probiotics or prebiotics for the purpose of preventing allergic diseases because of limited evidence. Before definitive conclusions can be made regarding these interventions, more well-designed, longitudinal, and randomized controlled trials, particularly in at-risk populations, are required.
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Affiliation(s)
- Fatima Bawany
- School of Medicine and Dentistry, University of Rochester Medical Center, Rochester, NY
| | - Lisa A Beck
- Department of Dermatology, University of Rochester Medical Center, Rochester, NY.
| | - Kirsi M Järvinen
- Department of Pediatrics, Division of Allergy and Immunology & Center for Food Allergy, University of Rochester Medical Center, Rochester, NY
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9
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Abstract
Human milk contains a wide range of immunomodulatory factors, including immunoglobulins, human milk oligosaccharides, cytokines, microbiome, innate factors and food antigens. Maternal diet can influence the content of human milk as it is well-established that dietary antigens can be secreted in human milk after maternal consumption, but whether these dietary antigens promote tolerance or sensitization in the infant is a subject of debate. This review summarizes the current literature on these immunologically active factors in human milk, including the microbiome, innate factors, and maternal diet-derived dietary antigens in the context of development of allergic diseases, with the focus on food allergy.
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10
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Acevedo N, Alashkar Alhamwe B, Caraballo L, Ding M, Ferrante A, Garn H, Garssen J, Hii CS, Irvine J, Llinás-Caballero K, López JF, Miethe S, Perveen K, Pogge von Strandmann E, Sokolowska M, Potaczek DP, van Esch BCAM. Perinatal and Early-Life Nutrition, Epigenetics, and Allergy. Nutrients 2021; 13:724. [PMID: 33668787 PMCID: PMC7996340 DOI: 10.3390/nu13030724] [Citation(s) in RCA: 79] [Impact Index Per Article: 26.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Revised: 02/08/2021] [Accepted: 02/12/2021] [Indexed: 02/08/2023] Open
Abstract
Epidemiological studies have shown a dramatic increase in the incidence and the prevalence of allergic diseases over the last several decades. Environmental triggers including risk factors (e.g., pollution), the loss of rural living conditions (e.g., farming conditions), and nutritional status (e.g., maternal, breastfeeding) are considered major contributors to this increase. The influences of these environmental factors are thought to be mediated by epigenetic mechanisms which are heritable, reversible, and biologically relevant biochemical modifications of the chromatin carrying the genetic information without changing the nucleotide sequence of the genome. An important feature characterizing epigenetically-mediated processes is the existence of a time frame where the induced effects are the strongest and therefore most crucial. This period between conception, pregnancy, and the first years of life (e.g., first 1000 days) is considered the optimal time for environmental factors, such as nutrition, to exert their beneficial epigenetic effects. In the current review, we discussed the impact of the exposure to bacteria, viruses, parasites, fungal components, microbiome metabolites, and specific nutritional components (e.g., polyunsaturated fatty acids (PUFA), vitamins, plant- and animal-derived microRNAs, breast milk) on the epigenetic patterns related to allergic manifestations. We gave insight into the epigenetic signature of bioactive milk components and the effects of specific nutrition on neonatal T cell development. Several lines of evidence suggest that atypical metabolic reprogramming induced by extrinsic factors such as allergens, viruses, pollutants, diet, or microbiome might drive cellular metabolic dysfunctions and defective immune responses in allergic disease. Therefore, we described the current knowledge on the relationship between immunometabolism and allergy mediated by epigenetic mechanisms. The knowledge as presented will give insight into epigenetic changes and the potential of maternal and post-natal nutrition on the development of allergic disease.
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Affiliation(s)
- Nathalie Acevedo
- Institute for Immunological Research, University of Cartagena, Cartagena 130014, Colombia; (N.A.); (L.C.); (K.L.-C.); (J.F.L.)
| | - Bilal Alashkar Alhamwe
- Institute of Tumor Immunology, Clinic for Hematology, Oncology and Immunology, Center for Tumor Biology and Immunology, Philipps University Marburg, 35043 Marburg, Germany; (B.A.A.); (E.P.v.S.)
- College of Pharmacy, International University for Science and Technology (IUST), Daraa 15, Syria
| | - Luis Caraballo
- Institute for Immunological Research, University of Cartagena, Cartagena 130014, Colombia; (N.A.); (L.C.); (K.L.-C.); (J.F.L.)
| | - Mei Ding
- Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, 7265 Davos, Switzerland; (M.D.); (M.S.)
- Christine Kühne-Center for Allergy Research and Education, 7265 Davos, Switzerland
- Department of Allergology, Zhongnan Hospital of Wuhan University, Wuhan 430071, China
| | - Antonio Ferrante
- Department of Immunopathology, SA Pathology at the Women’s and Children’s Hospital, North Adelaide, SA 5006, Australia; (A.F.); (C.S.H.); (J.I.); (K.P.)
- Adelaide School of Medicine and the Robinson Research Institute, University of Adelaide, Adelaide, SA 5005, Australia
- School of Biological Sciences, University of Adelaide, Adelaide, SA 5005, Australia
| | - Holger Garn
- Translational Inflammation Research Division & Core Facility for Single Cell Multiomics, Medical Faculty, Philipps University Marburg, Member of the German Center for Lung Research (DZL) and the Universities of Giessen and Marburg Lung Center, 35043 Marburg, Germany; (H.G.); (S.M.)
| | - Johan Garssen
- Division of Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Faculty of Science, Utrecht University, 3584 CG Utrecht, The Netherlands;
- Danone Nutricia Research, 3584 CT Utrecht, The Netherlands
| | - Charles S. Hii
- Department of Immunopathology, SA Pathology at the Women’s and Children’s Hospital, North Adelaide, SA 5006, Australia; (A.F.); (C.S.H.); (J.I.); (K.P.)
- Adelaide School of Medicine and the Robinson Research Institute, University of Adelaide, Adelaide, SA 5005, Australia
| | - James Irvine
- Department of Immunopathology, SA Pathology at the Women’s and Children’s Hospital, North Adelaide, SA 5006, Australia; (A.F.); (C.S.H.); (J.I.); (K.P.)
- Adelaide School of Medicine and the Robinson Research Institute, University of Adelaide, Adelaide, SA 5005, Australia
| | - Kevin Llinás-Caballero
- Institute for Immunological Research, University of Cartagena, Cartagena 130014, Colombia; (N.A.); (L.C.); (K.L.-C.); (J.F.L.)
| | - Juan Felipe López
- Institute for Immunological Research, University of Cartagena, Cartagena 130014, Colombia; (N.A.); (L.C.); (K.L.-C.); (J.F.L.)
| | - Sarah Miethe
- Translational Inflammation Research Division & Core Facility for Single Cell Multiomics, Medical Faculty, Philipps University Marburg, Member of the German Center for Lung Research (DZL) and the Universities of Giessen and Marburg Lung Center, 35043 Marburg, Germany; (H.G.); (S.M.)
| | - Khalida Perveen
- Department of Immunopathology, SA Pathology at the Women’s and Children’s Hospital, North Adelaide, SA 5006, Australia; (A.F.); (C.S.H.); (J.I.); (K.P.)
- Adelaide School of Medicine and the Robinson Research Institute, University of Adelaide, Adelaide, SA 5005, Australia
| | - Elke Pogge von Strandmann
- Institute of Tumor Immunology, Clinic for Hematology, Oncology and Immunology, Center for Tumor Biology and Immunology, Philipps University Marburg, 35043 Marburg, Germany; (B.A.A.); (E.P.v.S.)
| | - Milena Sokolowska
- Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, 7265 Davos, Switzerland; (M.D.); (M.S.)
- Christine Kühne-Center for Allergy Research and Education, 7265 Davos, Switzerland
| | - Daniel P. Potaczek
- Translational Inflammation Research Division & Core Facility for Single Cell Multiomics, Medical Faculty, Philipps University Marburg, Member of the German Center for Lung Research (DZL) and the Universities of Giessen and Marburg Lung Center, 35043 Marburg, Germany; (H.G.); (S.M.)
| | - Betty C. A. M. van Esch
- Division of Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Faculty of Science, Utrecht University, 3584 CG Utrecht, The Netherlands;
- Danone Nutricia Research, 3584 CT Utrecht, The Netherlands
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11
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Aparicio M, Alba C, Rodríguez JM, Fernández L. Microbiological and Immunological Markers in Milk and Infant Feces for Common Gastrointestinal Disorders: A Pilot Study. Nutrients 2020; 12:E634. [PMID: 32121004 PMCID: PMC7146151 DOI: 10.3390/nu12030634] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2019] [Revised: 02/17/2020] [Accepted: 02/20/2020] [Indexed: 12/11/2022] Open
Abstract
The objective of this pilot study was to assess the fecal microbiome and different immunological parameters in infant feces and maternal milk from mother-infant pairs in which the infants were suffering from different gastrointestinal disorders (colic, non-IgE-mediated cow milk protein allergy (CMPA), and proctocolitis). A cohort of 30 mother-infant pairs, in which the infants were diagnosed with these gastrointestinal disorders or included as healthy controls, were recruited. Bacterial composition of infant feces and breast milk was determined by metataxonomic sequencing. Immunological compounds were quantified using multiplexed immunoassays. A higher abundance of Eggerthellaceae, Lachnospiraceae and Peptostreptococcaceae, and lower abundance of Bifidobacterium and higher abundance of Rothia were registered in fecal samples from the CMPA group. Eggerthellaceae was also significantly more abundant in milk samples of the CMPA group. There were no differences in the concentration of immunological compounds in infant fecal samples between the four groups. In contrast, differences were found in the concentration and/or frequency of compounds related to acquired immunity and granulocyte colony stimulating factor (GCSF) in breast milk samples. In conclusion, a few microbial signatures in feces may explain part of the difference between CMPA and other infants. In addition, some milk immunological signatures have been uncovered among the different conditions addressed in this pilot study.
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Affiliation(s)
- Marina Aparicio
- Department of Nutrition and Food Science, Complutense University of Madrid, 28040 Madrid, Spain; (M.A.); (J.M.R.)
| | - Claudio Alba
- Department of Galenic Pharmacy and Food Technology, Complutense University of Madrid, 28040 Madrid, Spain;
| | | | - Juan Miguel Rodríguez
- Department of Nutrition and Food Science, Complutense University of Madrid, 28040 Madrid, Spain; (M.A.); (J.M.R.)
| | - Leonides Fernández
- Department of Galenic Pharmacy and Food Technology, Complutense University of Madrid, 28040 Madrid, Spain;
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12
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Fujimura T, Lum SZC, Nagata Y, Kawamoto S, Oyoshi MK. Influences of Maternal Factors Over Offspring Allergies and the Application for Food Allergy. Front Immunol 2019; 10:1933. [PMID: 31507589 PMCID: PMC6716146 DOI: 10.3389/fimmu.2019.01933] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2019] [Accepted: 07/30/2019] [Indexed: 12/19/2022] Open
Abstract
The prevalence of food allergy has been steadily rising worldwide with the highest incidence noted among younger children, and increasingly recognized as a growing public concern. The first known ingestion of foods often causes allergic reaction, suggesting that sensitization of offspring with food allergens may occur during pregnancy and/or through breastfeeding. This creates a milieu that shapes the neonatal immune responses to these allergens. However, the effects of maternal allergen exposure and maternal sensitization with allergens on development of allergies in offspring remain controversial. This review discusses recent advances from human data in our understanding of how maternal factors, namely, food allergens, allergen-specific immunoglobulins, cytokines, genetics, and environmental factors transferred during pregnancy or breastfeeding influence offspring allergies and how such effects may be applicable to food allergy. Based on information obtained from mouse models of asthma and food allergy, the review also dissects the mechanisms by which maternal factors, including the impact of immune complexes, transforming growth factor-β, vitamin A, and regulatory T-cell responses, contribute to the induction of neonatal tolerance vs. development of allergic responses to maternally transferred allergens.
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Affiliation(s)
- Takashi Fujimura
- Division of Immunology, Boston Children's Hospital, Boston, MA, United States.,Hiroshima Research Center for Healthy Aging (HiHA), Graduate School of Advanced Sciences of Matter, Hiroshima University, Higashi-Hiroshima, Japan
| | | | - Yuka Nagata
- Division of Immunology, Boston Children's Hospital, Boston, MA, United States.,Division of Gastrointestinal Pathophysiology, Institute of Natural Medicine, University of Toyama, Toyama, Japan
| | - Seiji Kawamoto
- Hiroshima Research Center for Healthy Aging (HiHA), Graduate School of Advanced Sciences of Matter, Hiroshima University, Higashi-Hiroshima, Japan
| | - Michiko K Oyoshi
- Division of Immunology, Boston Children's Hospital, Boston, MA, United States.,Department of Pediatrics, Harvard Medical School, Boston, MA, United States
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13
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Khaleva E, Gridneva Z, Geddes DT, Oddy WH, Colicino S, Blyuss O, Boyle RJ, Warner JO, Munblit D. Transforming growth factor beta in human milk and allergic outcomes in children: A systematic review. Clin Exp Allergy 2019; 49:1201-1213. [PMID: 31058363 DOI: 10.1111/cea.13409] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2019] [Revised: 03/25/2019] [Accepted: 04/20/2019] [Indexed: 12/21/2022]
Abstract
BACKGROUND Human milk (HM) transforming growth factor beta (TGF-β) is critical for inflammation regulation and oral tolerance promotion. Previous reports suggested that variations in HM TGF-β levels are associated with allergic outcomes. OBJECTIVE We undertook a systematic review (PROSPERO 2017 CRD42017069920) to reassess the evidence on the relationships between HM TGF-β and allergic outcomes in children. METHODS Electronic bibliographic databases (MEDLINE, EMBASE and Cochrane Library) were systematically searched. Two independent reviewers screened reference lists, extracted the data and assessed risk of bias using the National Institute for Clinical Excellence methodological checklist. RESULTS A total of 21 studies were identified. Sixteen studies assessed relationships between HM TGF-β and risk of eczema; 14, allergic sensitization; nine, wheezing/asthma; six, food allergy; three, allergic rhinitis/conjunctivitis. Five cohorts (5/18, 28%) reported a protective effect of TGF-β1, while 3 (3/10, 30%) suggested increased risk of allergic outcomes development and 1 (1/10, 10%), a protective effect of TGF-β2 on eczema. Meta-analysis was not possible due to significant heterogeneity in methodology, age of outcome assessment and differing statistical approaches. 71% (15/21) of studies carried a high risk of bias. CONCLUSION AND CLINICAL RELEVANCE In contrast with previous findings, we did not find strong evidence of associations between HM TGF-β and allergic outcomes. Differences in studies' methodology and outcomes do not allow unconditional rejection or acceptance of the hypothesis that HM TGF-β influences the risk of allergy development. Future studies on diverse populations employing standardized methods, accurate phenotyping of outcomes and evaluation of the effect of TGF-β in combination with other HM immune markers, microbiome and oligosaccharides are required.
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Affiliation(s)
- Ekaterina Khaleva
- University of Southampton, Southampton, UK.,inVIVO Planetary Health, Research Group of the Worldwide Universities Network, West New York, New Jersey
| | - Zoya Gridneva
- inVIVO Planetary Health, Research Group of the Worldwide Universities Network, West New York, New Jersey.,School of Molecular Sciences, The University of Western Australia, Perth, Western Australia, Australia
| | - Donna T Geddes
- inVIVO Planetary Health, Research Group of the Worldwide Universities Network, West New York, New Jersey.,School of Molecular Sciences, The University of Western Australia, Perth, Western Australia, Australia
| | - Wendy H Oddy
- Nutritional Epidemiology, Menzies Institute for Medical Research, University of Tasmania, Hobart, Tasmania, Australia
| | - Silvia Colicino
- The National Heart and Lung Institute, Imperial College London, London, UK
| | - Oleg Blyuss
- Wolfson Institute of Preventive Medicine, Queen Mary University of London, London, UK.,Department of Applied Mathematics, Lobachevsky State University of Nizhny Novgorod, Nizhny Novgorod, Russia.,Department of Pediatrics, Faculty of Pediatrics, Sechenov University, Moscow, Russia
| | - Robert J Boyle
- inVIVO Planetary Health, Research Group of the Worldwide Universities Network, West New York, New Jersey.,Department of Paediatrics, Imperial College London, London, UK.,Centre of Evidence-based Dermatology, University of Nottingham, Nottingham, UK
| | - John O Warner
- inVIVO Planetary Health, Research Group of the Worldwide Universities Network, West New York, New Jersey.,Department of Paediatrics, Imperial College London, London, UK.,Paediatrics and NIHR Collaboration for Leadership in Applied Health Research and Care for NW London, London, UK
| | - Daniel Munblit
- inVIVO Planetary Health, Research Group of the Worldwide Universities Network, West New York, New Jersey.,Department of Pediatrics, Faculty of Pediatrics, Sechenov University, Moscow, Russia.,Department of Paediatrics, Imperial College London, London, UK.,Healthcare Department of Moscow, Moscow Research and Clinical Center for Neuropsychiatry, Moscow, Russia
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14
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Järvinen KM, Martin H, Oyoshi MK. Immunomodulatory effects of breast milk on food allergy. Ann Allergy Asthma Immunol 2019; 123:133-143. [PMID: 31048004 DOI: 10.1016/j.anai.2019.04.022] [Citation(s) in RCA: 53] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2019] [Revised: 04/23/2019] [Accepted: 04/23/2019] [Indexed: 02/06/2023]
Abstract
OBJECTIVE To summarize the literature on immunomodulatory effects of breast milk on sensitization and possible mechanisms of action. DATA SOURCES Animal and human studies in PubMed that assessed breastfeeding or breast milk composition in food allergy. STUDY SELECTIONS All recent studies and some older key publications focusing on this topic. RESULTS Human milk composition is highly variable among mothers, which can affect the developing infant immune system. Human milk also affects the infant gut microbiome, which is associated with food allergy. High levels of human milk immune factors (IgA, cytokines, oligosaccharides) are associated with reduced risk of food allergy in the infant; it remains uncertain whether these are directly protective or biomarkers of transferred protection. Animal studies highlight potential mechanisms of protection provided by antigens, transforming growth factor β, and immunocomplexes, yet their relevance is poorly understood in humans. The role of food antigens in human milk in initial sensitization or tolerance induction is unclear. CONCLUSION The protection against allergy development provided by human milk may be attributable to the effect on the infant gut microbiome or direct effects on immune system. Studies evaluating the effect of breastfeeding and human milk composition on food allergy are needed.
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Affiliation(s)
- Kirsi M Järvinen
- Division of Pediatric Allergy and Immunology & Center for Food Allergy, University of Rochester School of Medicine and Dentistry, Rochester, New York.
| | - Hayley Martin
- Department of Public Health Sciences, University of Rochester School of Medicine and Dentistry, Rochester, New York
| | - Michiko K Oyoshi
- Division of Immunology, Boston Children's Hospital and the Departments of Pediatrics, Harvard Medical School, Boston, Massachusetts
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15
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Berdi M, de Lauzon-Guillain B, Forhan A, Castelli FA, Fenaille F, Charles MA, Heude B, Junot C, Adel-Patient K. Immune components of early breastmilk: Association with maternal factors and with reported food allergy in childhood. Pediatr Allergy Immunol 2019; 30:107-116. [PMID: 30368940 DOI: 10.1111/pai.12998] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/04/2018] [Revised: 08/28/2018] [Accepted: 10/06/2018] [Indexed: 01/02/2023]
Abstract
BACKGROUND Breastmilk (BM) may participate in driving gut barrier function and immunity in the neonate. We analyzed immune and growth factor concentrations in early BM and their association with maternal/environmental characteristics and with food allergy (FA) in childhood. METHODS One BM sample was collected in maternity from some mothers in the EDEN birth cohort (n = 2002 mother-child dyads). A random selection was performed among available samples (subcohort, n = 272), for which all deliveries were full-term, various maternal/environmental characteristics were recorded, and parents answered yearly the question "Has a medical doctor diagnosed a FA in your child?" (26 parent-reported FA cases). Only samples collected between day 2 and day 6 post-partum were considered for descriptive analysis (n = 263). Samples for all other FA cases available were added to the subcohort (46 additional cases; "casecohort" design). Fifty cytokines, antibodies, and growth factor concentrations were determined using multiplexed kits and analyzed using robust statistical procedures. RESULTS BM components exhibited wide concentration ranges and global day-to-day variation. Different clusters of correlated factors appeared, with components from the main cluster related to maternal diet during pregnancy. Primiparity was positively associated with eleven other components, whereas other factors (eg, maternal atopy and smoking) were related to fewer components. Finally, the casecohort design highlighted a positive association between CXCL10, TNFβ, and IL-2 concentrations and reported FA in childhood. CONCLUSION Beyond the unique description of early BM composition, we show that immune information transmitted to the neonate is related to various maternal factors and identified components associated with FA diagnosis in childhood.
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Affiliation(s)
- Mikaïl Berdi
- UMR Service de Pharmacologie et Immunoanalyse, Laboratoire d'Immuno-Allergie Alimentaire, CEA, INRA, Université Paris-Saclay, Gif-sur-Yvette, France.,UMR Service de Pharmacologie et Immunoanalyse, Laboratoire d'Etude du Métabolisme des Médicaments CEA, INRA, Université Paris-Saclay, Gif-sur-Yvette, France
| | - Blandine de Lauzon-Guillain
- INSERM, UMR1153 Epidemiology and Biostatistics Sorbonne Paris Cité Center, Early Origin of the Child's Health and Development Team (ORCHAD), Paris, France.,Paris Descartes University, Paris, France
| | - Anne Forhan
- INSERM, UMR1153 Epidemiology and Biostatistics Sorbonne Paris Cité Center, Early Origin of the Child's Health and Development Team (ORCHAD), Paris, France.,Paris Descartes University, Paris, France
| | - Florence Anne Castelli
- UMR Service de Pharmacologie et Immunoanalyse, Laboratoire d'Etude du Métabolisme des Médicaments CEA, INRA, Université Paris-Saclay, Gif-sur-Yvette, France
| | - François Fenaille
- UMR Service de Pharmacologie et Immunoanalyse, Laboratoire d'Etude du Métabolisme des Médicaments CEA, INRA, Université Paris-Saclay, Gif-sur-Yvette, France
| | - Marie-Aline Charles
- INSERM, UMR1153 Epidemiology and Biostatistics Sorbonne Paris Cité Center, Early Origin of the Child's Health and Development Team (ORCHAD), Paris, France.,Paris Descartes University, Paris, France
| | - Barbara Heude
- INSERM, UMR1153 Epidemiology and Biostatistics Sorbonne Paris Cité Center, Early Origin of the Child's Health and Development Team (ORCHAD), Paris, France.,Paris Descartes University, Paris, France
| | - Christophe Junot
- UMR Service de Pharmacologie et Immunoanalyse, Laboratoire d'Immuno-Allergie Alimentaire, CEA, INRA, Université Paris-Saclay, Gif-sur-Yvette, France.,UMR Service de Pharmacologie et Immunoanalyse, Laboratoire d'Etude du Métabolisme des Médicaments CEA, INRA, Université Paris-Saclay, Gif-sur-Yvette, France
| | - Karine Adel-Patient
- UMR Service de Pharmacologie et Immunoanalyse, Laboratoire d'Immuno-Allergie Alimentaire, CEA, INRA, Université Paris-Saclay, Gif-sur-Yvette, France
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16
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Dawod B, Marshall JS. Cytokines and Soluble Receptors in Breast Milk as Enhancers of Oral Tolerance Development. Front Immunol 2019; 10:16. [PMID: 30723472 PMCID: PMC6349727 DOI: 10.3389/fimmu.2019.00016] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2018] [Accepted: 01/04/2019] [Indexed: 12/13/2022] Open
Abstract
The postpartum period is an important window during which environmental factors can shape the life-long health of the infant. This time period often coincides with substantial milk consumption either in the form of breast milk or from cow's milk sources, such as infant formulas. Although breast milk is the most beneficial source of nutrients for infants during the first 6 months after birth, its role in regulating food allergy development, through regulation of oral tolerance, is still controversial. Breast milk contains several factors that can impact mucosal immune function, including immune cells, antibodies, microbiota, oligosaccharides, cytokines, and soluble receptors. However, there is considerable variation in the assessed levels of cytokines and soluble receptors between studies and across the lactation period. Most of these cytokines and soluble receptors are absent, or only found in limited quantities, in commercial baby formulas. Differences in content of these pluripotent factors, which impact on both the mother and the neonate, could contribute to the controversy surrounding the role of breast milk regulating oral tolerance. This review highlights current knowledge about the importance of cytokines and soluble receptors in breast milk on the development of oral tolerance and tolerance-relateddisorders. Understanding the mechanisms by which such milk components might promote oral tolerance could aid in the development of improved strategies for allergy prevention.
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Affiliation(s)
- Bassel Dawod
- Department of Pathology, Dalhousie University, Halifax, NS, Canada
| | - Jean S Marshall
- Department of Pathology, Dalhousie University, Halifax, NS, Canada.,Department of Microbiology and Immunology, Dalhousie University, Halifax, NS, Canada
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17
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Knoop KA, Holtz LR, Newberry RD. Inherited nongenetic influences on the gut microbiome and immune system. Birth Defects Res 2018; 110:1494-1503. [PMID: 30576093 PMCID: PMC8759455 DOI: 10.1002/bdr2.1436] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2018] [Accepted: 11/16/2018] [Indexed: 12/18/2022]
Abstract
The gut microbiome and the immune system codevelop around the time of birth, well after genetic information has been passed from the parents to the offspring. Each of these "organ systems" displays plasticity. The immune system can mount highly specific adaptive responses to newly encountered antigens, and the gut microbiota is affected by changes in the environment. Despite this plasticity, there is a growing appreciation that these organ systems, once established, are remarkably stable. In health, the immune system rapidly mounts responses to infections, and once cleared, resolves inflammatory responses to return to homeostasis. However, a skewed immune system, such as seen in allergy, does not easily return to homeostasis. Allergic responses are often seen to multiple antigens. Likewise, a dysbiotic gut microbiota is seen in multiple diseases. Attempts to reset the gut microbiota as a therapy for disease have met with varied success. Therefore, how these codeveloping "organ systems" become established is a central question relevant to our overall health. Recent observations suggest that maternal factors encountered both in utero and after birth can directly or indirectly impact the development of the offspring's gut microbiome and immune system. Here, we discuss how these nongenetic maternal influences can have long-term effects on the progeny's health.
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Affiliation(s)
- Kathryn A. Knoop
- Department of Medicine, Washington University School of Medicine in Saint Louis, MO 63110
| | - Lori R. Holtz
- Department of Pediatrics, Washington University School of Medicine in Saint Louis, MO 63110
| | - Rodney D. Newberry
- Department of Medicine, Washington University School of Medicine in Saint Louis, MO 63110
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18
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Rajani PS, Seppo AE, Järvinen KM. Immunologically Active Components in Human Milk and Development of Atopic Disease, With Emphasis on Food Allergy, in the Pediatric Population. Front Pediatr 2018; 6:218. [PMID: 30131949 PMCID: PMC6090044 DOI: 10.3389/fped.2018.00218] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/01/2018] [Accepted: 07/16/2018] [Indexed: 12/17/2022] Open
Abstract
Breast-feeding is currently recommended to prevent the development of allergic diseases; however, data are conflicting and mechanisms are unclear. The immunomodulatory composition of human milk is poorly characterized and varies between mothers. We and others have shown that high levels of human milk IgA and certain cytokines and human milk oligosaccharides are associated with protection against food allergy in the infant, but it is unclear whether they are responsible for or simply biomarkers of the vertical transfer of protection. Because human milk has pre- and probiotic properties, the anti-allergy protection afforded by human milk may be due to its control on the developing gut microbiome. In mice, murine milk IgA supports gut homeostasis and shapes the microbiota, which in turn diversifies the intestinal IgA repertoire that reciprocally promotes the diversity of gut microbiome; these mechanisms are poorly understood in humans. In addition, several human milk bioactives are immunostimulatory, which may in part provide protection against allergic diseases. The regulation of immunologically active components in human milk is incompletely understood, although accumulating evidence suggests that IgA and cytokines in human milk reflect maternal exposures. This review summarizes the current literature on human milk components that have been associated with protection against food allergy and related allergic disorders in early childhood and discusses the work relating to regulation of these levels in human milk and possible mechanisms of action.
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Affiliation(s)
| | | | - Kirsi M. Järvinen
- Division of Pediatric Allergy and Immunology and Center for Food Allergy, University of Rochester School of Medicine and Dentistry, Rochester, NY, United States
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19
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Järvinen KM. Variations in Human Milk Composition: Impact on Immune Development and Allergic Disease Susceptibility. Breastfeed Med 2018; 13:S11-S13. [PMID: 29624425 DOI: 10.1089/bfm.2018.29075.kjs] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Affiliation(s)
- Kirsi M Järvinen
- Associate Professor of Pediatrics, Medicine, Microbiology and Immunology, Chief of Pediatric Allergy and Immunology, and Founder's Distinguished Professor in Pediatric Allergy, University of Rochester School of Medicine and Dentistry , Rochester, New York
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20
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Nosan G, Jakic M, Jager M, Paro-Panjan D. Prognostic accuracy of clinical signs and diagnostic tests in cow's milk allergy in newborns. Pediatr Neonatol 2017; 58:449-454. [PMID: 28416249 DOI: 10.1016/j.pedneo.2016.09.009] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/20/2016] [Revised: 07/12/2016] [Accepted: 09/29/2016] [Indexed: 10/19/2022] Open
Abstract
BACKGROUND The aim of the study was to explore the correlation between clinical signs and confirmatory tests for cow's milk allergy (CMA) in the neonatal period and their relation to family history and the occurrence of food allergies in the postneonatal period. METHODS The medical documentation of 361 newborns with suspected CMA and exclusion of other comorbidities was analyzed. The correlations between clinical signs and methods to confirm CMA [elevated levels of total immunoglobulin E (IgE) and/or specific IgE for cow's milk, improvement after the introduction of a cow's milk-free diet and positive challenge procedure] were studied. In 90 children, the data were additionally analyzed in relation to outcome (at the age of 1-11 years), evaluated by questionnaires, which inquired about signs and symptoms of food allergy, methods of CMA confirmation, and the presence of other food allergies. RESULTS There was a positive correlation between exanthema and confirmed CMA in the neonatal period (R = 0.184; p = <0.001; n = 361), and hematochezia and confirmed CMA in the neonatal (R = 0.203; p < 0.001; n = 361) and postneonatal period (R = 0.215; p = 0.042; n = 90). Additional food allergies in the postneonatal period were positively correlated with neonatal CMA (R = 0.275; p = 0.009; n = 90). No correlation was found between a positive family history of food allergies and CMA in the neonatal (R = -0.66; p = 0.398; n = 165) and postneonatal periods (R = 0.00; p = 1.000; n = 116). CONCLUSION Neonatal exanthema and hematochezia were the predominant clinical signs in neonates with CMA. Allergies to other food allergens appeared more frequently in children with CMA in the neonatal period. Neonatal CMA did not occur more frequently in families with food allergies.
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Affiliation(s)
- Gregor Nosan
- Division of Pediatrics, Department of Neonatology, University Medical Centre Ljubljana, Ljubljana, Slovenia
| | - Maja Jakic
- Division of Pediatrics, Department of Neonatology, University Medical Centre Ljubljana, Ljubljana, Slovenia
| | - Miha Jager
- Division of Pediatrics, Department of Neonatology, University Medical Centre Ljubljana, Ljubljana, Slovenia
| | - Darja Paro-Panjan
- Division of Pediatrics, Department of Neonatology, University Medical Centre Ljubljana, Ljubljana, Slovenia.
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21
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Human Milk and Allergic Diseases: An Unsolved Puzzle. Nutrients 2017; 9:nu9080894. [PMID: 28817095 PMCID: PMC5579687 DOI: 10.3390/nu9080894] [Citation(s) in RCA: 89] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2017] [Revised: 08/01/2017] [Accepted: 08/01/2017] [Indexed: 02/07/2023] Open
Abstract
There is conflicting evidence on the protective role of breastfeeding in relation to the development of allergic sensitisation and allergic disease. Studies vary in methodology and definition of outcomes, which lead to considerable heterogeneity. Human milk composition varies both within and between individuals, which may partially explain conflicting data. It is known that human milk composition is very complex and contains variable levels of immune active molecules, oligosaccharides, metabolites, vitamins and other nutrients and microbial content. Existing evidence suggests that modulation of human breast milk composition has potential for preventing allergic diseases in early life. In this review, we discuss associations between breastfeeding/human milk composition and allergy development.
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Dixon DL, Forsyth K. Leukocytes in expressed breast milk of asthmatic mothers. Allergol Immunopathol (Madr) 2017; 45:325-332. [PMID: 27889334 DOI: 10.1016/j.aller.2016.08.015] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2016] [Accepted: 08/23/2016] [Indexed: 10/25/2022]
Abstract
OBJECTIVE Infants are born immunologically immature. However, breastfeeding mothers retain an immunological link to their infants. While it is generally accepted that infants are at an immunological advantage when compared with formula-fed infants, the benefit of long-term exclusive breastfeeding by atopic mothers remains controversial. Inconsistency in the conferral of benefit may be due to differences in the immunological constituents passed to the recipient infant. The aim of this investigation was to examine the profile of human milk cells and cytokines from asthmatic compared to non-asthmatic mothers. METHODS Twenty-five exclusively breastfeeding mothers with a clinical diagnosis of asthma were postpartum age matched in a double-control 2:1 design with 50 non-asthmatic controls. Each mother provided a single milk sample which was assayed for cell differential by flow cytometry, for ex vivo cytokine production in culture and for aqueous phase cytokines. RESULTS Milks from asthmatic mothers differed from non-asthmatics in that they contained a higher proportion of polymorphonuclear (PMN) cells and lower proportion of lymphocytes, predominantly CD3+/CD4+ T helper cells, reflected by a decrease in the chemokine CCL5 in the milk aqueous phase. More PMN and lymphocytes from asthmatic mothers expressed the adhesion molecule CD11b and lymphocytes the IgE receptor CD23, than those from non-asthmatic mothers. CONCLUSIONS Changes to human milk leucocyte prevalence, activation state and cytokines due to maternal asthma may result in changes to immunological priming in the infant. Consequently, the protective effect of long-term breastfeeding may be altered in these mother-infant pairs.
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Seppo AE, Savilahti EM, Berin MC, Sampson HA, Järvinen KM. Breast milk IgA to foods has different epitope specificity than serum IgA-Evidence for entero-mammary link for food-specific IgA? Clin Exp Allergy 2017; 47:1275-1284. [PMID: 28449395 DOI: 10.1111/cea.12945] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2016] [Revised: 03/14/2017] [Accepted: 03/22/2017] [Indexed: 12/20/2022]
Abstract
BACKGROUND We have previously shown that maternal cow's milk (CM) elimination results in downregulation of CM-specific IgA antibody levels in BM, but not in serum, suggesting that an entero-mammary link may exist for food-specific antibody-secreting cells. OBJECTIVE We sought to investigate whether food-specific IgA epitope profiles differ intra-individually between mother's serum and BM. We also examined how infants' food epitope-specific IgA develops in early infancy and the relationship of IgA epitope recognition with development of cow's milk allergy (CMA). METHODS We measured specific IgA to a series of overlapping peptides in major CM allergens (αs1 -, αs2 -, β- and κ-caseins and β-lactoglobulin) in paired maternal and infant serum as well as BM samples in 31 mother-infant dyads within the first 15 post-partum months utilizing peptide microarray. RESULTS There was significant discordance in epitope specificity between BM and maternal sera ranging from only 13% of sample pairs sharing at least one epitope in αs1 -casein to 73% in κ-casein. Epitope-specific IgA was detectable in infants' sera starting at less than 3 months of age. Sera of mothers with a CMA infant had increased binding of epitope-specific IgA to CM proteins compared to those with a non-CMA infant. CONCLUSION & CLINICAL RELEVANCE These findings support the concept that mother's milk has a distinct antifood antibody repertoire when compared to the antibody repertoire of the peripheral blood. Increased binding of serum epitope-specific IgA to CM in mothers of infants with CMA may reflect inherited systemic immunogenicity of CM proteins in these families, although specific IgA in breast milk was not proportionally up-regulated.
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Affiliation(s)
- A E Seppo
- Division of Pediatric Allergy and Immunology & Center for Food Allergy, University of Rochester School of Medicine and Dentistry, Rochester, NY, USA
| | - E M Savilahti
- Children's Hospital, Helsinki University Central Hospital and University of Helsinki, Helsinki, Finland
| | - M C Berin
- Division of Pediatric Allergy & Immunology and Jaffe Institute for Food Allergy, The Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - H A Sampson
- Division of Pediatric Allergy & Immunology and Jaffe Institute for Food Allergy, The Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - K M Järvinen
- Division of Pediatric Allergy and Immunology & Center for Food Allergy, University of Rochester School of Medicine and Dentistry, Rochester, NY, USA.,Division of Pediatric Allergy & Immunology and Jaffe Institute for Food Allergy, The Icahn School of Medicine at Mount Sinai, New York, NY, USA
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24
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Seppo AE, Autran CA, Bode L, Järvinen KM. Human milk oligosaccharides and development of cow's milk allergy in infants. J Allergy Clin Immunol 2016; 139:708-711.e5. [PMID: 27702672 DOI: 10.1016/j.jaci.2016.08.031] [Citation(s) in RCA: 69] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2016] [Revised: 08/09/2016] [Accepted: 08/16/2016] [Indexed: 12/18/2022]
Affiliation(s)
- Antti E Seppo
- Division of Allergy and Immunology and Center for Food Allergy, Department of Pediatrics, University of Rochester School of Medicine and Dentistry and Golisano Children's Hospital, Rochester, NY.
| | | | - Lars Bode
- University of California San Diego, La Jolla, Calif
| | - Kirsi M Järvinen
- Division of Allergy and Immunology and Center for Food Allergy, Department of Pediatrics, University of Rochester School of Medicine and Dentistry and Golisano Children's Hospital, Rochester, NY
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25
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Bryce PJ. Balancing Tolerance or Allergy to Food Proteins. Trends Immunol 2016; 37:659-667. [PMID: 27600681 DOI: 10.1016/j.it.2016.08.008] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2016] [Revised: 08/09/2016] [Accepted: 08/10/2016] [Indexed: 01/22/2023]
Abstract
Dietary proteins usually induce immune tolerance, but may trigger life-threatening immune responses in the case of food allergy. The associated type 2 immunity, linked with specific IgE production and the activation of mast cells and basophils, is well understood but the mechanisms related to preventing food allergy are still being deciphered. Recent insights into the mechanisms that regulate oral tolerance and dietary antigen sampling have revealed unique regulatory events that occur during early life and into adulthood. Drawing from both recent clinical and experimental discoveries, this article focuses on current evidence for how several key stages of life present mechanistic points that might participate in tipping the balance between food protein tolerance and allergy.
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Affiliation(s)
- Paul J Bryce
- Division of Allergy-Immunology, Department of Medicine, Northwestern Feinberg School of Medicine, 240 East Huron, Chicago, IL 60611, USA.
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26
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Benedé S, Blázquez AB, Chiang D, Tordesillas L, Berin MC. The rise of food allergy: Environmental factors and emerging treatments. EBioMedicine 2016; 7:27-34. [PMID: 27322456 PMCID: PMC4909486 DOI: 10.1016/j.ebiom.2016.04.012] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2015] [Revised: 04/04/2016] [Accepted: 04/11/2016] [Indexed: 01/08/2023] Open
Abstract
Food allergy has rapidly increased in prevalence, suggesting an important role for environmental factors in disease susceptibility. The immune response of food allergy is characterized by IgE production, and new findings from mouse and human studies indicate an important role of the cytokine IL-9, which is derived from both T cells and mast cells, in disease manifestations. Emerging evidence suggests that route of exposure to food, particularly peanut, is important. Exposure through the skin promotes sensitization while early exposure through the gastrointestinal tract promotes tolerance. Evidence from mouse studies indicate a role of the microbiome in development of food allergy, which is supported by correlative human studies showing a dysbiosis in food allergy. There is no approved treatment for food allergy, but emerging therapies are focused on allergen immunotherapy to provide desensitization, while pre-clinical studies are focused on using adjuvants or novel delivery approaches to improve efficacy and safety of immunotherapy. Emerging evidence suggests that route of exposure to food allergens in early life determines sensitization versus tolerance. The microbiota and dietary factors appear to play a key role in susceptibility to food allergy. Immunotherapy applied via different routes is currently the most promising form of experimental treatment for food allergy.
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Affiliation(s)
- Sara Benedé
- Jaffe Food Allergy Institute, Immunology Institute, Mindich Child Health Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Ana Belen Blázquez
- Jaffe Food Allergy Institute, Immunology Institute, Mindich Child Health Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - David Chiang
- Jaffe Food Allergy Institute, Immunology Institute, Mindich Child Health Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Leticia Tordesillas
- Jaffe Food Allergy Institute, Immunology Institute, Mindich Child Health Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - M Cecilia Berin
- Jaffe Food Allergy Institute, Immunology Institute, Mindich Child Health Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
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Hoyt AEW, Medico T, Commins SP. Breast Milk and Food Allergy: Connections and Current Recommendations. Pediatr Clin North Am 2015; 62:1493-507. [PMID: 26456446 DOI: 10.1016/j.pcl.2015.07.014] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Breast milk, a living source of nutrition for babies, complements a baby's immune system, supplementing undeveloped defenses with immune factors while creating the foundation for the innate and adaptive immune systems. Such immune development includes tolerance of the environment and, in the case of food allergy, a lack of tolerance. Recent research questions the previous opinion that breast milk is protective against food allergy. This article reviews the immature immune system, the immunology and nutrition of breast milk, the literature exploring breast milk and food allergy, and the current recommendations regarding breast milk and the prevention of food allergy.
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Affiliation(s)
- Alice E W Hoyt
- University of Virginia, PO Box 801355, 409 Lane Road MR-4 Building, Room 5051, Charlottesville, VA 22908, USA
| | - Tegan Medico
- University of Virginia, PO Box 801355, 409 Lane Road MR-4 Building, Room 5051, Charlottesville, VA 22908, USA
| | - Scott P Commins
- University of North Carolina School of Medicine, Department of Medicine, Division of Rheumatology, Allergy and Immunology, 3300 Thurston Building, CB 7280, Chapel Hill, NC 27599-7280, USA.
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28
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Affiliation(s)
- M. C. Berin
- Pediatric Allergy and Immunology; Icahn School of Medicine at Mount Sinai; New York NY USA
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