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Svitek N, Taracha ELN, Saya R, Awino E, Nene V, Steinaa L. Analysis of the Cellular Immune Responses to Vaccines. Methods Mol Biol 2022; 2465:283-301. [PMID: 35118627 DOI: 10.1007/978-1-0716-2168-4_15] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Flow cytometry, enzyme-linked immunospot (ELISpot), and cellular cytotoxicity assays are powerful tools for studying the cellular immune response toward intracellular pathogens and vaccines in livestock species. Lymphocytes from immunized animals can be purified using Ficoll-Paque density gradient centrifugation and evaluated for their antigen specificity or reactivity toward a vaccine. Here, we describe staining of bovine lymphocytes with peptide (p)-MHC class I tetramers and antibodies specific toward cellular activation markers for evaluation by multiparametric flow cytometry, as well as interferon (IFN)-γ ELISpot and cytotoxicity using chromium (51Cr) release assays. A small component on the use of immunoinformatics for fine-tuning the identification of a minimal CTL epitope is included, and a newly developed and simple assay to measure TCR avidity.
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Affiliation(s)
- Nicholas Svitek
- Animal and Human Health, International Livestock Research Institute, Nairobi, Kenya
| | | | - Rosemary Saya
- Animal and Human Health, International Livestock Research Institute, Nairobi, Kenya
| | - Elias Awino
- Animal and Human Health, International Livestock Research Institute, Nairobi, Kenya
| | - Vish Nene
- Animal and Human Health, International Livestock Research Institute, Nairobi, Kenya
| | - Lucilla Steinaa
- Animal and Human Health, International Livestock Research Institute, Nairobi, Kenya.
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Seyed Toutounchi N, Braber S, van’t Land B, Thijssen S, Garssen J, Kraneveld AD, Folkerts G, Hogenkamp A. Exposure to Deoxynivalenol During Pregnancy and Lactation Enhances Food Allergy and Reduces Vaccine Responsiveness in the Offspring in a Mouse Model. Front Immunol 2021; 12:797152. [PMID: 34975906 PMCID: PMC8718709 DOI: 10.3389/fimmu.2021.797152] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2021] [Accepted: 12/03/2021] [Indexed: 11/23/2022] Open
Abstract
Deoxynivalenol (DON), a highly prevalent contaminant of grain-based products, is known to induce reproductive- and immunotoxicities. Considering the importance of immune development in early life, the present study investigated the effects of perinatal DON exposure on allergy development and vaccine responsiveness in the offspring. Pregnant mice received control or DON-contaminated diets (12.5 mg/kg diet) during pregnancy and lactation. After weaning, female offspring were sensitized to ovalbumin (OVA) by oral administration of OVA with cholera toxin (CT). Male offspring were injected with Influvac vaccine. OVA-specific acute allergic skin response (ASR) in females and vaccine-specific delayed-type hypersensitivity (DTH) in males were measured upon intradermal antigen challenge. Immune cell populations in spleen and antigen-specific plasma immunoglobulins were analyzed. In female CT+OVA-sensitized offspring of DON-exposed mothers ASR and OVA-specific plasma immunoglobulins were significantly higher, compared to the female offspring of control mothers. In vaccinated male offspring of DON-exposed mothers DTH and vaccine-specific antibody levels were significantly lower, compared to the male offspring of control mothers. In both models a significant reduction in regulatory T cells, Tbet+ Th1 cells and Th1-related cytokine production of the offspring of DON-exposed mothers was observed. In conclusion, early life dietary exposure to DON can adversely influence immune development in the offspring. Consequently, the immune system of the offspring may be skewed towards an imbalanced state, resulting in an increased allergic immune response to food allergens and a decreased immune response to vaccination against influenza virus in these models.
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Affiliation(s)
- Negisa Seyed Toutounchi
- Division of Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Faculty of Science, Utrecht University, Utrecht, Netherlands
| | - Saskia Braber
- Division of Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Faculty of Science, Utrecht University, Utrecht, Netherlands
| | - Belinda van’t Land
- Danone Nutricia Research, Utrecht, Netherlands
- Center of Translational Immunology, Wilhelmina Children’s Hospital, University Medical Center Utrecht, Utrecht, Netherlands
| | - Suzan Thijssen
- Division of Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Faculty of Science, Utrecht University, Utrecht, Netherlands
| | - Johan Garssen
- Division of Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Faculty of Science, Utrecht University, Utrecht, Netherlands
- Danone Nutricia Research, Utrecht, Netherlands
| | - Aletta D. Kraneveld
- Division of Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Faculty of Science, Utrecht University, Utrecht, Netherlands
| | - Gert Folkerts
- Division of Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Faculty of Science, Utrecht University, Utrecht, Netherlands
| | - Astrid Hogenkamp
- Division of Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Faculty of Science, Utrecht University, Utrecht, Netherlands
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Toutounchi NS, Braber S, Hogenkamp A, Varasteh S, Cai Y, Wehkamp T, Tims S, Leusink-Muis T, van Ark I, Wiertsema S, Stahl B, Kraneveld AD, Garssen J, Folkerts G, van’t Land B. Human Milk Oligosaccharide 3'-GL Improves Influenza-Specific Vaccination Responsiveness and Immunity after Deoxynivalenol Exposure in Preclinical Models. Nutrients 2021; 13:3190. [PMID: 34579070 PMCID: PMC8466816 DOI: 10.3390/nu13093190] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2021] [Revised: 09/03/2021] [Accepted: 09/10/2021] [Indexed: 01/15/2023] Open
Abstract
Deoxynivalenol (DON), a highly prevalent mycotoxin food contaminant, is known to have immunotoxic effects. In the current study, the potential of dietary interventions with specific mixtures of trans-galactosyl-oligosaccharides (TOS) to alleviate these effects were assessed in a murine influenza vaccination model. Vaccine-specific immune responses were measured in C57Bl/6JOlaHsd mice fed diets containing DON, TOS or a combination, starting 2 weeks before the first vaccination. The direct effects of TOS and its main oligosaccharide, 3'-galactosyl-lactose (3'-GL), on DON-induced damage were studied in Caco-2 cells, as an in vitro model of the intestinal epithelial barrier. Exposure to DON significantly reduced vaccine-specific immune responses and the percentages of Tbet+ Th1 cells and B cells in the spleen. DON significantly altered epithelial structure and integrity in the ileum and reduced the SCFA levels in the cecum. Adding TOS into DON-containing diets significantly improved vaccine-specific immune responses, restored the immune cell balance in the spleen and increased SCFA concentrations in the cecum. Incubating Caco-2 cells with TOS and 3'-GL in vitro further confirmed their protective effects against DON-induced barrier disruption, supporting immune modulation. Overall, dietary intervention with TOS can attenuate the adverse effects of DON on Th1-mediated immune responses and gut homeostasis. These beneficial properties might be linked to the high levels of 3'-GL in TOS.
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Affiliation(s)
- Negisa Seyed Toutounchi
- Division of Pharmacology, Faculty of Science, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, 3584 CG Utrecht, The Netherlands; (N.S.T.); (S.B.); (A.H.); (S.V.); (Y.C.); (T.L.-M.); (I.v.A.); (B.S.); (A.D.K.); (J.G.); (G.F.)
| | - Saskia Braber
- Division of Pharmacology, Faculty of Science, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, 3584 CG Utrecht, The Netherlands; (N.S.T.); (S.B.); (A.H.); (S.V.); (Y.C.); (T.L.-M.); (I.v.A.); (B.S.); (A.D.K.); (J.G.); (G.F.)
| | - Astrid Hogenkamp
- Division of Pharmacology, Faculty of Science, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, 3584 CG Utrecht, The Netherlands; (N.S.T.); (S.B.); (A.H.); (S.V.); (Y.C.); (T.L.-M.); (I.v.A.); (B.S.); (A.D.K.); (J.G.); (G.F.)
| | - Soheil Varasteh
- Division of Pharmacology, Faculty of Science, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, 3584 CG Utrecht, The Netherlands; (N.S.T.); (S.B.); (A.H.); (S.V.); (Y.C.); (T.L.-M.); (I.v.A.); (B.S.); (A.D.K.); (J.G.); (G.F.)
| | - Yang Cai
- Division of Pharmacology, Faculty of Science, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, 3584 CG Utrecht, The Netherlands; (N.S.T.); (S.B.); (A.H.); (S.V.); (Y.C.); (T.L.-M.); (I.v.A.); (B.S.); (A.D.K.); (J.G.); (G.F.)
| | - Tjalling Wehkamp
- Danone Nutricia Research, 3584 CG Utrecht, The Netherlands; (T.W.); (S.T.); (S.W.)
| | - Sebastian Tims
- Danone Nutricia Research, 3584 CG Utrecht, The Netherlands; (T.W.); (S.T.); (S.W.)
| | - Thea Leusink-Muis
- Division of Pharmacology, Faculty of Science, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, 3584 CG Utrecht, The Netherlands; (N.S.T.); (S.B.); (A.H.); (S.V.); (Y.C.); (T.L.-M.); (I.v.A.); (B.S.); (A.D.K.); (J.G.); (G.F.)
| | - Ingrid van Ark
- Division of Pharmacology, Faculty of Science, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, 3584 CG Utrecht, The Netherlands; (N.S.T.); (S.B.); (A.H.); (S.V.); (Y.C.); (T.L.-M.); (I.v.A.); (B.S.); (A.D.K.); (J.G.); (G.F.)
| | - Selma Wiertsema
- Danone Nutricia Research, 3584 CG Utrecht, The Netherlands; (T.W.); (S.T.); (S.W.)
| | - Bernd Stahl
- Division of Pharmacology, Faculty of Science, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, 3584 CG Utrecht, The Netherlands; (N.S.T.); (S.B.); (A.H.); (S.V.); (Y.C.); (T.L.-M.); (I.v.A.); (B.S.); (A.D.K.); (J.G.); (G.F.)
- Danone Nutricia Research, 3584 CG Utrecht, The Netherlands; (T.W.); (S.T.); (S.W.)
| | - Aletta D. Kraneveld
- Division of Pharmacology, Faculty of Science, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, 3584 CG Utrecht, The Netherlands; (N.S.T.); (S.B.); (A.H.); (S.V.); (Y.C.); (T.L.-M.); (I.v.A.); (B.S.); (A.D.K.); (J.G.); (G.F.)
| | - Johan Garssen
- Division of Pharmacology, Faculty of Science, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, 3584 CG Utrecht, The Netherlands; (N.S.T.); (S.B.); (A.H.); (S.V.); (Y.C.); (T.L.-M.); (I.v.A.); (B.S.); (A.D.K.); (J.G.); (G.F.)
- Danone Nutricia Research, 3584 CG Utrecht, The Netherlands; (T.W.); (S.T.); (S.W.)
| | - Gert Folkerts
- Division of Pharmacology, Faculty of Science, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, 3584 CG Utrecht, The Netherlands; (N.S.T.); (S.B.); (A.H.); (S.V.); (Y.C.); (T.L.-M.); (I.v.A.); (B.S.); (A.D.K.); (J.G.); (G.F.)
| | - Belinda van’t Land
- Danone Nutricia Research, 3584 CG Utrecht, The Netherlands; (T.W.); (S.T.); (S.W.)
- Center of Translational Immunology, Wilhelmina Children’s Hospital, University Medical Center Utrecht, 3584 CG Utrecht, The Netherlands
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A Fermented Milk Matrix Containing Postbiotics Supports Th1- and Th17-Type Immunity In Vitro and Modulates the Influenza-Specific Vaccination Response In Vivo in Association with Altered Serum Galectin Ratios. Vaccines (Basel) 2021; 9:vaccines9030254. [PMID: 33805597 PMCID: PMC7998404 DOI: 10.3390/vaccines9030254] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Revised: 03/03/2021] [Accepted: 03/11/2021] [Indexed: 12/12/2022] Open
Abstract
During a specific milk fermentation process with Bifidobacterium breve C50 and Streptococcus thermophilus 065 (LactofidusTM), postbiotics with possible immunomodulatory properties are produced. We investigated the effects of this fermentation product (FP) in vitro using a model that allows crosstalk between intestinal epithelial (IEC) and immune cells. IECs were exposed to FP and αCD3/CD28-activated peripheral blood mononuclear cells after which the mediator secretion was measured. Additionally, using a murine influenza vaccination model, immune development was assessed. Mice were fed an AIN93G diet containing FP or lactose as control. Vaccine-specific immunity was measured as delayed-type hypersensitivity (DTH) and correlated to intestinal and systemic immunomodulation levels. In vitro, exposure to FP enhanced IFNγ, TNFα and IL-17A concentrations. Moreover, IEC-derived galectin-3/galectin-9 and galectin-4/galectin-9 ratios were increased. In vivo, dietary intervention with FP increased vaccine-specific DTH responses as compared to the lactose-receiving group. Although no effects on humoral immunity and vaccine-specific T-cell responses were detected, an enhanced systemic serum galectin-3/galectin-9 and galectin-4/galectin-9 ratio correlated with a shift in RORγ (Th17) mRNA expression over regulatory TGFβ1 in the ileum. This was also positively correlated with the increased DTH response. These results indicate that FP can enhance epithelial galectin-3 and -4 over galectin-9 release, and boost adaptive immunity by promoting Th1- and Th17-type cytokines under inflammatory conditions in vitro. Similar variations in galectin and immune balance were observed in the vaccination model, where FP improved the influenza-specific DTH response.
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Xiao L, Leusink-Muis T, Kettelarij N, van Ark I, Blijenberg B, Hesen NA, Stahl B, Overbeek SA, Garssen J, Folkerts G, Van't Land B. Human Milk Oligosaccharide 2'-Fucosyllactose Improves Innate and Adaptive Immunity in an Influenza-Specific Murine Vaccination Model. Front Immunol 2018; 9:452. [PMID: 29593719 PMCID: PMC5854647 DOI: 10.3389/fimmu.2018.00452] [Citation(s) in RCA: 48] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2018] [Accepted: 02/20/2018] [Indexed: 12/21/2022] Open
Abstract
Background Human milk is uniquely suited to provide optimal nutrition and immune protection to infants. Human milk oligosaccharides are structural complex and diverse consisting of short chain and long chain oligosaccharides typically present in a 9:1 ratio. 2′-Fucosyllactose (2′FL) is one of the most prominent short chain oligosaccharides and is associated with anti-infective capacity of human milk. Aim To determine the effect of 2′FL on vaccination responsiveness (both innate and adaptive) in a murine influenza vaccination model and elucidate mechanisms involved. Methods A dose range of 0.25–5% (w/w) dietary 2′FL was provided to 6-week-old female C57Bl/6JOlaHsd mice 2 weeks prior primary and booster vaccination until the end of the experiment. Intradermal (i.d.) challenge was performed to measure the vaccine-specific delayed-type hypersensitivity (DTH). Antigen-specific antibody levels in serum as well as immune cell populations within several organs were evaluated using ELISA and flow cytometry, respectively. In an ex vivo restimulation assay, spleen cells were cocultured with influenza-loaded bone marrow-derived dendritic cells (BMDCs) to study the effects of 2′FL on vaccine-specific CD4+ and CD8+ T-cell proliferation and cytokine secretions. Furthermore, the direct immune regulatory effects of 2′FL were confirmed using in vitro BMDCs T-cell cocultures. Results Dietary 2′FL significantly (p < 0.05) enhanced vaccine specific DTH responses accompanied by increased serum levels of vaccine-specific immunoglobulin (Ig) G1 and IgG2a in a dose-dependent manner. Consistently, increased activation marker (CD27) expression on splenic B-cells was detected in mice receiving 2′FL as compared to control mice. Moreover, proliferation of vaccine-specific CD4+ and CD8+ T-cells, as well as interferon-γ production after ex vivo restimulation were significantly increased in spleen cells of mice receiving 2′FL as compared to control mice, which were in line with changes detected within dendritic cell populations. Finally, we confirmed a direct effect of 2′FL on the maturation status and antigen presenting capacity of BMDCs. Conclusion Dietary intervention with 2′FL improves both humoral and cellular immune responses to vaccination in mice, which might be attributed in part to the direct effects of 2′FL on immune cell differentiation.
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Affiliation(s)
- Ling Xiao
- Utrecht Institute for Pharmaceutical Sciences (UIPS), Utrecht University, Utrecht, Netherlands
| | - Thea Leusink-Muis
- Utrecht Institute for Pharmaceutical Sciences (UIPS), Utrecht University, Utrecht, Netherlands
| | - Nienke Kettelarij
- Utrecht Institute for Pharmaceutical Sciences (UIPS), Utrecht University, Utrecht, Netherlands.,Department of Immunology, Human Milk Research, Nutricia Research, Utrecht, Netherlands
| | - Ingrid van Ark
- Utrecht Institute for Pharmaceutical Sciences (UIPS), Utrecht University, Utrecht, Netherlands
| | - Bernadet Blijenberg
- Department of Immunology, Human Milk Research, Nutricia Research, Utrecht, Netherlands
| | - Nienke A Hesen
- Utrecht Institute for Pharmaceutical Sciences (UIPS), Utrecht University, Utrecht, Netherlands
| | - Bernd Stahl
- Department of Immunology, Human Milk Research, Nutricia Research, Utrecht, Netherlands
| | - Saskia A Overbeek
- Utrecht Institute for Pharmaceutical Sciences (UIPS), Utrecht University, Utrecht, Netherlands.,Department of Immunology, Human Milk Research, Nutricia Research, Utrecht, Netherlands
| | - Johan Garssen
- Utrecht Institute for Pharmaceutical Sciences (UIPS), Utrecht University, Utrecht, Netherlands.,Department of Immunology, Human Milk Research, Nutricia Research, Utrecht, Netherlands
| | - Gert Folkerts
- Utrecht Institute for Pharmaceutical Sciences (UIPS), Utrecht University, Utrecht, Netherlands
| | - Belinda Van't Land
- Department of Immunology, Human Milk Research, Nutricia Research, Utrecht, Netherlands.,Department of Paediatric Immunology, Wilhelmina Children's Hospital, University Medical Center Utrecht, Utrecht, Netherlands
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6
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Carlson JL, Erickson JM, Lloyd BB, Slavin JL. Health Effects and Sources of Prebiotic Dietary Fiber. Curr Dev Nutr 2018; 2:nzy005. [PMID: 30019028 PMCID: PMC6041804 DOI: 10.1093/cdn/nzy005] [Citation(s) in RCA: 129] [Impact Index Per Article: 21.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2017] [Revised: 08/04/2017] [Accepted: 01/14/2018] [Indexed: 12/21/2022] Open
Abstract
Prebiotic dietary fibers act as carbon sources for primary and secondary fermentation pathways in the colon, and support digestive health in many ways. Fructooligosaccharides, inulin, and galactooligosaccharides are universally agreed-upon prebiotics. The objective of this paper is to summarize the 8 most prominent health benefits of prebiotic dietary fibers that are due to their fermentability by colonic microbiota, as well as summarize the 8 categories of prebiotic dietary fibers that support these health benefits. Although not all categories exhibit similar effects in human studies, all of these categories promote digestive health due to their fermentability. Scientific and regulatory definitions of prebiotics differ greatly, although health benefits of these compounds are uniformly agreed upon to be due to their fermentability by gut microbiota. Scientific evidence suggests that 8 categories of compounds all exhibit health benefits related to their metabolism by colonic taxa.
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Affiliation(s)
- Justin L Carlson
- Department of Food Science and Nutrition, University of Minnesota, St. Paul, MN
| | - Jennifer M Erickson
- Department of Food Science and Nutrition, University of Minnesota, St. Paul, MN
| | - Beate B Lloyd
- Global Scientific & Regulatory Affairs, The Coca-Cola Company, Atlanta, GA
| | - Joanne L Slavin
- Department of Food Science and Nutrition, University of Minnesota, St. Paul, MN
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Ayechu-Muruzabal V, van Stigt AH, Mank M, Willemsen LEM, Stahl B, Garssen J, Van't Land B. Diversity of Human Milk Oligosaccharides and Effects on Early Life Immune Development. Front Pediatr 2018; 6:239. [PMID: 30250836 PMCID: PMC6140589 DOI: 10.3389/fped.2018.00239] [Citation(s) in RCA: 93] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/30/2018] [Accepted: 08/07/2018] [Indexed: 12/12/2022] Open
Abstract
One of the well-known features of human milk, is the capacity to protect against the risk and impact of neonatal infections, as well as to influence the onset of allergic and metabolic disease manifestations. The major objective of this review is to provide a detailed overview regarding the role of human milk, more specifically the diversity in human milk oligosaccharides (HMOS), on early life immune development. Novel insights in immune modulatory effects of HMOS obtained by in vitro as well as in vivo studies, adds to the understanding on how early life nutrition may impact immune development. Extensive description and analysis of single HMOS contributing to the diversity within the composition provided during breastfeeding will be discussed with specific emphasis on immune development and the susceptibility to neonatal and childhood infections.
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Affiliation(s)
- Veronica Ayechu-Muruzabal
- Division of Pharmacology, Utrecht Institute of Pharmaceutical Sciences, Faculty of Science, Utrecht University, Utrecht, Netherlands
| | - Arthur H van Stigt
- Pediatric Immunology, Laboratory of Translational Immunology, The Wilhelmina Children's Hospital, University Medical Center, Utrecht, Netherlands
| | - Marko Mank
- Department of Immunology and Department of Human Milk Research & Analytical Science, Danone Nutricia Research, Utrecht, Netherlands
| | - Linette E M Willemsen
- Division of Pharmacology, Utrecht Institute of Pharmaceutical Sciences, Faculty of Science, Utrecht University, Utrecht, Netherlands
| | - Bernd Stahl
- Department of Immunology and Department of Human Milk Research & Analytical Science, Danone Nutricia Research, Utrecht, Netherlands
| | - Johan Garssen
- Division of Pharmacology, Utrecht Institute of Pharmaceutical Sciences, Faculty of Science, Utrecht University, Utrecht, Netherlands.,Department of Immunology and Department of Human Milk Research & Analytical Science, Danone Nutricia Research, Utrecht, Netherlands
| | - Belinda Van't Land
- Pediatric Immunology, Laboratory of Translational Immunology, The Wilhelmina Children's Hospital, University Medical Center, Utrecht, Netherlands.,Department of Immunology and Department of Human Milk Research & Analytical Science, Danone Nutricia Research, Utrecht, Netherlands
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8
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Triantis V, Bode L, van Neerven RJJ. Immunological Effects of Human Milk Oligosaccharides. Front Pediatr 2018; 6:190. [PMID: 30013961 PMCID: PMC6036705 DOI: 10.3389/fped.2018.00190] [Citation(s) in RCA: 184] [Impact Index Per Article: 30.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/25/2018] [Accepted: 06/08/2018] [Indexed: 12/15/2022] Open
Abstract
Human milk oligosaccharides (HMOs) comprise a group of structurally complex, unconjugated glycans that are highly abundant in human milk. HMOs are minimally digested in the gastrointestinal tract and reach the colon intact, where they shape the microbiota. A small fraction of HMOs is absorbed, reaches the systemic circulation, and is excreted in urine. HMOs can bind to cell surface receptors expressed on epithelial cells and cells of the immune system and thus modulate neonatal immunity in the infant gut, and possibly also sites throughout the body. In addition, they have been shown to act as soluble decoy receptors to block the attachment of various microbial pathogens to cells. This review summarizes the current knowledge of the effects HMOs can have on infections, allergies, auto-immune diseases and inflammation, and will focus on the role of HMOs in altering immune responses through binding to immune-related receptors.
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Affiliation(s)
| | - Lars Bode
- Department of Pediatrics, University of California, San Diego, San Diego, CA, United States
| | - R J Joost van Neerven
- FrieslandCampina, Amersfoort, Netherlands.,Wageningen University and Research, Cell Biology and Immunology, Wageningen, Netherlands
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9
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Svitek N, Taracha ELN, Saya R, Awino E, Nene V, Steinaa L. Analysis of the Cellular Immune Responses to Vaccines. Methods Mol Biol 2016; 1349:247-262. [PMID: 26458841 DOI: 10.1007/978-1-4939-3008-1_16] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Flow cytometry, enzyme-linked immunospot (ELISpot) and cellular cytotoxicity assays are powerful tools for studying the cellular immune response towards intracellular pathogens and vaccines in livestock species. Lymphocytes from immunized animals can be purified using Ficoll-Paque density gradient centrifugation and evaluated for their antigen specificity or reactivity towards a vaccine. Here, we describe staining of bovine lymphocytes with peptide (p)-MHC class I tetramers and antibodies specific towards cellular activation markers for evaluation by multiparametric flow cytometry, as well as interferon (IFN)-γ ELISpot and cytotoxicity using chromium ((51)Cr) release assays. A small component on the use of immunoinformatics for fine-tuning the identification of a minimal CTL epitope is included.
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Affiliation(s)
- Nicholas Svitek
- Vaccine Biosciences, International Livestock Research Institute, Att: Lucilla Steinaa, Vaccine Biosciences, 30709, 00100, Nairobi, Kenya
| | - Evans L N Taracha
- Vaccine Biosciences, International Livestock Research Institute, Att: Lucilla Steinaa, Vaccine Biosciences, 30709, 00100, Nairobi, Kenya
| | - Rosemary Saya
- Vaccine Biosciences, International Livestock Research Institute, Att: Lucilla Steinaa, Vaccine Biosciences, 30709, 00100, Nairobi, Kenya
| | - Elias Awino
- Vaccine Biosciences, International Livestock Research Institute, Att: Lucilla Steinaa, Vaccine Biosciences, 30709, 00100, Nairobi, Kenya
| | - Vishvanath Nene
- Vaccine Biosciences, International Livestock Research Institute, Att: Lucilla Steinaa, Vaccine Biosciences, 30709, 00100, Nairobi, Kenya
| | - Lucilla Steinaa
- Vaccine Biosciences, International Livestock Research Institute, Att: Lucilla Steinaa, Vaccine Biosciences, 30709, 00100, Nairobi, Kenya.
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10
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Mengome LE, Voxeur A, Akue JP, Lerouge P. In vitro proliferation and production of cytokine and IgG by human PBMCs stimulated with polysaccharide extract from plants endemic to Gabon. Molecules 2014; 19:18543-57. [PMID: 25401398 PMCID: PMC6272015 DOI: 10.3390/molecules191118543] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2014] [Revised: 10/07/2014] [Accepted: 10/08/2014] [Indexed: 12/01/2022] Open
Abstract
Polysaccharides were extracted from seven plants endemic to Gabon to study their potential immunological activities. Peripheral blood mononuclear cell (PBMC) (5 × 105 cells/mL) proliferation, cytokine and immunoglobulin G (IgG) assays were performed after stimulation with different concentrations of polysaccharide fractions compared with lipopolysaccharides (LPS) and concanavalin A (ConA) from healthy volunteers. The culture supernatants were used for cytokine and IgG detection by enzyme-linked immunosorbent assay (ELISA). The results show that pectin and hemicellulose extracts from Uvaria klainei, Petersianthus macrocarpus, Trichoscypha addonii, Aphanocalyx microphyllus, Librevillea klaineana, Neochevalierodendron stephanii and Scorodophloeus zenkeri induced production levels that were variable from one individual to another for IL-12 (3–40 pg/mL), IL-10 (6–443 pg/mL), IL-6 (7–370 pg/mL), GM-CSF (3–170 pg/mL) and IFN-γ (5–80 pg/mL). Only hemicelluloses from Aphanocalyx microphyllus produce a small amount of IgG (OD = 0.034), while the proliferation of cells stimulated with these polysaccharides increased up to 318% above the proliferation of unstimulated cells. However, this proliferation of PBMCs was abolished when the pectin of some of these plants was treated with endopolygalacturonase (p < 0.05), but the trend of cytokine synthesis remained the same, both before and after enzymatic treatment or saponification. This study suggests that these polysaccharides stimulate cells in a structure-dependent manner. The rhamnogalacturonan-I (RGI) fragment alone was not able to induce the proliferation of PBMC.
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Affiliation(s)
- Line Edwige Mengome
- Institutde Pharmacopée et de MédecineTraditionnelles (IPHAMETRA), BP 1935 Libreville, Gabon.
| | - Aline Voxeur
- Laboratoire Glyco-MEV, IRIB, Université de Rouen, 76821 Mont-Saint-Aignan, France.
| | - Jean Paul Akue
- Centre International de Recherches Médicales de Franceville (CIRMF), BP 769 Franceville, Gabon.
| | - Patrice Lerouge
- Laboratoire Glyco-MEV, IRIB, Université de Rouen, 76821 Mont-Saint-Aignan, France.
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Abstract
PURPOSE OF REVIEW Disturbed gut colonization patterns are proposed to be associated with the development of allergic disease. RECENT FINDINGS Studies using new systems biology methods confirm previous findings that early environmental exposures, for example cesarean delivery, are associated with disturbed gut colonization patterns and reduced microbial diversity. Low microbial diversity in infancy is also observed to precede onset of allergic disease. In a large population-based cohort study, probiotic consumption in pregnancy was associated with reduced risk of eczema and rhinoconjunctivitis in the child, but not asthma. The association between probiotics and rhinoconjunctivitis appeared stronger if both mother and child (from 6 months) consumed probiotics. Follow-up data from primary prevention studies with probiotics do not support a role for probiotics in asthma prevention. In meta-analyses, both prebiotics (high-risk infants only) and probiotics modestly reduce the eczema risk, but no other allergic manifestations. Their use is not generally recommended for prevention, or treatment, of allergic disease. SUMMARY Gut microbial patterns are associated with susceptibility to allergic disease, but the incomplete understanding of what constitutes a healthy gut microbiota that promotes tolerance, remains a challenge. Further understanding of gut microbial functions may pave the way for more effective allergy prevention and treatment strategies.
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Affiliation(s)
- Christina E West
- Department of Clinical Sciences, Pediatrics, Umeå University, Umeå, Sweden
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