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Ma RX, Hu JQ, Fu W, Zhong J, Cao C, Wang CC, Qi SQ, Zhang XL, Liu GH, Gao YD. Intermittent fasting protects against food allergy in a murine model via regulating gut microbiota. Front Immunol 2023; 14:1167562. [PMID: 37228621 PMCID: PMC10205017 DOI: 10.3389/fimmu.2023.1167562] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Accepted: 04/14/2023] [Indexed: 05/27/2023] Open
Abstract
Background The prevalence of food allergy (FA) is increasing. Decreases in the diversity of gut microbiota may contribute to the pathogenesis of FA by regulating IgE production of B cells. Intermittent fasting (IF) is a popular diet with the potential to regulate glucose metabolism, boosting immune memory and optimizing gut microbiota. The potential effect of long-term IF on the prevention and treatment of FA is still unknown. Methods Two IF protocols (16 h fasting/8 h feeding and 24 h fasting/24 h feeding) were conducted on mice for 56 days, while the control mice were free to intake food (free diet group, FrD). To construct the FA model, all mice were sensitized and intragastrical challenged with ovalbumin (OVA) during the second half of IF (day 28 to day 56). Rectal temperature reduction and diarrhea were recorded to evaluate the symptoms of FA. Levels of serum IgE, IgG1, Th1/Th2 cytokines, mRNA expression of spleen T cell related transcriptional factors, and cytokines were examined. H&E, immunofluorescence, and toluidine blue staining were used to assess the structural changes of ileum villi. The composition and abundance of gut microbiota were analyzed by 16srRNA sequencing in cecum feces. Results The diarrhea score and rectal temperature reduction were lower in the two fasting groups compared to the FrD groups. Fasting was associated with lower levels of serum OVA-sIgE, OVA-sIgG1, interleukin (IL)-4 and IL-5, and mRNA expression of IL-4, IL-5, and IL-10 in the spleen. While no significant association was observed in interferon (IFN)-γ, tumor necrosis factor (TNF)-α, IL-6, IL-2 levels. Less mast cell infiltration in ileum was observed in the 16h/8h fasting group compared to the FrD group. ZO-1 expression in the ileum of the two fasting groups was higher in IF mice. The 24h/24h fasting reshaped the gut microbiota, with a higher abundance of Alistipes and Rikenellaceae strains compared to the other groups. Conclusion In an OVA-induced mice FA model, long-term IF may attenuate FA by reducing Th2 inflammation, maintaining the integrity of the intestinal epithelial barrier, and preventing gut dysbiosis.
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Affiliation(s)
- Ru-xue Ma
- Department of Allergology, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Jia-qian Hu
- Department of Allergology, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Wei Fu
- Department of Allergology, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Jian Zhong
- Department of Allergology, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Can Cao
- Department of Allergology, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Chang-chang Wang
- Department of Allergology, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Shi-quan Qi
- Department of Allergology, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Xiao-Lian Zhang
- Department of Allergology, Zhongnan Hospital of Wuhan University, Wuhan, China
- Department of Immunology, School of Basic Medical Sciences, Wuhan University, Wuhan, China
- Hubei Province Key Laboratory of Allergy and Immunology, Wuhan University, Wuhan, China
| | - Guang-hui Liu
- Department of Allergology, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Ya-dong Gao
- Department of Allergology, Zhongnan Hospital of Wuhan University, Wuhan, China
- Hubei Province Key Laboratory of Allergy and Immunology, Wuhan University, Wuhan, China
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Bisdemethoxycurcumin attenuates OVA‑induced food allergy by inhibiting the MAPK and NF‑κB signaling pathways. Exp Ther Med 2022; 23:401. [PMID: 35619631 PMCID: PMC9115631 DOI: 10.3892/etm.2022.11328] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2021] [Accepted: 02/01/2022] [Indexed: 11/08/2022] Open
Abstract
Bisdemethoxycurcumin (BDMC) is an important ingredient derived from turmeric in addition to curcumin. It has been reported that BDMC can be used to treat mast cell-mediated allergic diseases. In the present study, a food allergy (FA) murine model sensitized by intraperitoneal injection followed by oral challenge with ovalbumin (OVA) was established. BDMC was orally administered at 100 and 200 mg/kg for 11 days in the challenge phase to treat OVA-induced FA mice. FA symptoms such as diarrhea score, anaphylactic symptom score and rectal temperature were recorded. Intestinal tissue was also observed by hematoxylin and eosin staining. In addition, other allergic indicators were also analyzed by ELISA and western blot analysis. The present study demonstrated that BDMC could suppress the decreases in rectal temperature, diarrhea and anaphylactic symptoms in FA mice. BDMC could also ameliorate the inflammation of intestinal tissues in FA mice. BDMC not only decreased the production of OVA-specific immunoglobulin (OVA-sIg)E, IgG1, histamine, mouse mast cell protease-1, diamine oxidase, cytokines (IL-4, IL-5 and IL-13) but increased cytokines interferon-γ production. The protein expression results showed that the levels of Gata-3 were decreased but T-bet levels were increased. Furthermore, compared with the OVA group, phosphorylated (p)-p38, p-JNK, p-ERK and p-NF-κBp65 levels were decreased and p-IκBα level was increased. In conclusion, the results showed that BDMC possessed a protective effect on FA. Furthermore, BDMC was able to regulate the T-helper cells (Th)1/Th2 immune balance and inhibit the activation of MAPK and NF-κB pathways in FA mice.
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Shin JH, Reddy YVM, Park TJ, Park JP. Recent advances in analytical strategies and microsystems for food allergen detection. Food Chem 2022; 371:131120. [PMID: 34634648 DOI: 10.1016/j.foodchem.2021.131120] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2021] [Revised: 09/08/2021] [Accepted: 09/10/2021] [Indexed: 12/18/2022]
Abstract
Food allergies are abnormal immune responses that typically occur within short period after exposure of certain allergenic proteins in food or food-related resources. Currently, the means to treat food allergies is not clearly understood, and the only known prevention method is avoiding the consumption of allergen-containing foods. From the viewpoint of analytical methods, the effective detection of food allergens is hindered by the effects of various treatment processes and food matrices on trace amounts of allergens. The aim of this effort is to provide the reader with a clear and concise view of new advances for the detection of food allergens. Therefore, the present review explored the development status of various biosensors for the real-time, on-site detection of food allergens with high selectivity and sensitivity. The review also described the analytical consideration for the quantification of food allergens, and global development trends and the future availability of these technologies.
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Affiliation(s)
- Jae Hwan Shin
- Department of Food Science and Technology, Chung-Ang University, Anseong 17546, Republic of Korea
| | - Y Veera Manohara Reddy
- Department of Food Science and Technology, Chung-Ang University, Anseong 17546, Republic of Korea
| | - Tae Jung Park
- Department of Chemistry, Institute of Interdisciplinary Convergence Research, Research Institute of Chem-Bio Diagnostic Technology, Chung-Ang University, 84 Heukseok-ro, Dongjak-gu, Seoul 06974, Republic of Korea.
| | - Jong Pil Park
- Department of Food Science and Technology, Chung-Ang University, Anseong 17546, Republic of Korea.
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Layer P, Andresen V, Allescher H, Bischoff SC, Claßen M, Elsenbruch S, Freitag M, Frieling T, Gebhard M, Goebel-Stengel M, Häuser W, Holtmann G, Keller J, Kreis ME, Kruis W, Langhorst J, Jansen PL, Madisch A, Mönnikes H, Müller-Lissner S, Niesler B, Pehl C, Pohl D, Raithel M, Röhrig-Herzog G, Schemann M, Schmiedel S, Schwille-Kiuntke J, Storr M, Preiß JC, Andus T, Buderus S, Ehlert U, Engel M, Enninger A, Fischbach W, Gillessen A, Gschossmann J, Gundling F, Haag S, Helwig U, Hollerbach S, Karaus M, Katschinski M, Krammer H, Kuhlbusch-Zicklam R, Matthes H, Menge D, Miehlke S, Posovszky MC, Schaefert R, Schmidt-Choudhury A, Schwandner O, Schweinlin A, Seidl H, Stengel A, Tesarz J, van der Voort I, Voderholzer W, von Boyen G, von Schönfeld J, Wedel T. Update S3-Leitlinie Reizdarmsyndrom: Definition, Pathophysiologie, Diagnostik und Therapie. Gemeinsame Leitlinie der Deutschen Gesellschaft für Gastroenterologie, Verdauungs- und Stoffwechselkrankheiten (DGVS) und der Deutschen Gesellschaft für Neurogastroenterologie und Motilität (DGNM) – Juni 2021 – AWMF-Registriernummer: 021/016. ZEITSCHRIFT FUR GASTROENTEROLOGIE 2021; 59:1323-1415. [PMID: 34891206 DOI: 10.1055/a-1591-4794] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- P Layer
- Medizinische Klinik, Israelitisches Krankenhaus, Hamburg, Deutschland
| | - V Andresen
- Medizinische Klinik, Israelitisches Krankenhaus, Hamburg, Deutschland
| | - H Allescher
- Zentrum für Innere Medizin, Gastroent., Hepatologie u. Stoffwechsel, Klinikum Garmisch-Partenkirchen, Garmisch-Partenkirchen, Deutschland
| | - S C Bischoff
- Institut für Ernährungsmedizin, Universität Hohenheim, Stuttgart, Deutschland
| | - M Claßen
- Klinik für Kinder- und Jugendmedizin, Klinikum Links der Weser, Bremen, Deutschland
| | - S Elsenbruch
- Klinik für Neurologie, Translational Pain Research Unit, Universitätsklinikum Essen, Essen, Deutschland.,Abteilung für Medizinische Psychologie und Medizinische Soziologie, Ruhr-Universität Bochum, Bochum, Deutschland
| | - M Freitag
- Abteilung Allgemeinmedizin Department für Versorgungsforschung, Universität Oldenburg, Oldenburg, Deutschland
| | - T Frieling
- Medizinische Klinik II, Helios Klinikum Krefeld, Krefeld, Deutschland
| | - M Gebhard
- Gemeinschaftspraxis Pathologie-Hamburg, Hamburg, Deutschland
| | - M Goebel-Stengel
- Innere Medizin II, Helios Klinik Rottweil, Rottweil, und Innere Medizin VI, Psychosomat. Medizin u. Psychotherapie, Universitätsklinikum Tübingen, Tübingen, Deutschland
| | - W Häuser
- Innere Medizin I mit Schwerpunkt Gastroenterologie, Klinikum Saarbrücken, Saarbrücken, Deutschland
| | - G Holtmann
- Faculty of Medicine & Faculty of Health & Behavioural Sciences, Princess Alexandra Hospital, Brisbane, Australien
| | - J Keller
- Medizinische Klinik, Israelitisches Krankenhaus, Hamburg, Deutschland
| | - M E Kreis
- Klinik für Allgemein-, Viszeral- und Gefäßchirurgie, Charité - Universitätsmedizin Berlin, Campus Benjamin Franklin, Berlin, Deutschland
| | | | - J Langhorst
- Klinik für Integrative Medizin und Naturheilkunde, Sozialstiftung Bamberg, Klinikum am Bruderwald, Bamberg, Deutschland
| | - P Lynen Jansen
- Deutsche Gesellschaft für Gastroenterologie, Verdauungs- und Stoffwechselkrankheiten, Berlin, Deutschland
| | - A Madisch
- Klinik für Gastroenterologie, interventionelle Endoskopie und Diabetologie, Klinikum Siloah, Klinikum Region Hannover, Hannover, Deutschland
| | - H Mönnikes
- Klinik für Innere Medizin, Martin-Luther-Krankenhaus, Berlin, Deutschland
| | | | - B Niesler
- Abteilung Molekulare Humangenetik Institut für Humangenetik, Universitätsklinikum Heidelberg, Heidelberg, Deutschland
| | - C Pehl
- Medizinische Klinik, Krankenhaus Vilsbiburg, Vilsbiburg, Deutschland
| | - D Pohl
- Klinik für Gastroenterologie und Hepatologie, Universitätsspital Zürich, Zürich, Schweiz
| | - M Raithel
- Medizinische Klinik II m.S. Gastroenterologie und Onkologie, Waldkrankenhaus St. Marien, Erlangen, Deutschland
| | | | - M Schemann
- Lehrstuhl für Humanbiologie, TU München, Deutschland
| | - S Schmiedel
- I. Medizinische Klinik und Poliklinik Gastroenterologie, Universitätsklinikum Hamburg-Eppendorf, Deutschland
| | - J Schwille-Kiuntke
- Abteilung für Psychosomatische Medizin und Psychotherapie, Medizinische Universitätsklinik Tübingen, Tübingen, Deutschland.,Institut für Arbeitsmedizin, Sozialmedizin und Versorgungsforschung, Universitätsklinikum Tübingen, Tübingen, Deutschland
| | - M Storr
- Zentrum für Endoskopie, Gesundheitszentrum Starnberger See, Starnberg, Deutschland
| | - J C Preiß
- Klinik für Innere Medizin - Gastroenterologie, Diabetologie und Hepatologie, Vivantes Klinikum Neukölln, Berlin, Deutschland
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Shimizu H, Kuse M, Minato KI, Mizuno M. Anti-allergic property of 4,8-sphingadienine stereoisomers in vivo and in vitro model. Biochem Biophys Res Commun 2021; 577:32-37. [PMID: 34500233 DOI: 10.1016/j.bbrc.2021.08.071] [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: 07/28/2021] [Revised: 08/18/2021] [Accepted: 08/24/2021] [Indexed: 11/15/2022]
Abstract
4,8-Sphingadienines (SD), metabolites of glucosylceramides (GlcCer), are sometimes determined as key mediators of the biological activity of dietary GlcCer, and cis/trans geometries of 4,8-SD have been reported to affect its activity. Since regulating excessive activation of mast cells seems an important way to ameliorate allergic diseases, this study was focused on cis/trans stereoisomeric-dependent inhibitory effects of 4,8-SD on mast cell activation. Degranulation of RBL-2H3 was inhibited by treatment of 4-cis-8-trans- and 4-cis-8-cis-SD, and their intradermal administrations ameliorated ear edema in passive cutaneous anaphylaxis reaction, but 4-trans-8-trans- and 4-trans-8-cis-SD did not. Although the activation of mast cells depends on the bound IgE contents, those stereoisomers did not affect IgE contents on RBL-2H3 cells after the sensitization of anti-TNP IgE. These results indicated that 4-cis-8-trans- and 4-cis-8-cis-SD directly inhibit the activation of mast cells. In conclusion, it was assumed that 4,8-SD stereoisomers with cis double bond at C4-position shows anti-allergic activity by inhibiting downstream pathway after activation by the binding of IgE to mast cells.
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Affiliation(s)
- Haruka Shimizu
- Department of Agrobioscience, Graduate School of Agricultural Science, Kobe University, 1-1, Rokkodai-cho, Nada-ku, Kobe, 657-8501, Japan
| | - Masaki Kuse
- Department of Agrobioscience, Graduate School of Agricultural Science, Kobe University, 1-1, Rokkodai-cho, Nada-ku, Kobe, 657-8501, Japan
| | - Ken-Ichiro Minato
- Department of Applied Biological Chemistry, Graduate School of Agriculture, Meijo University, 1-501, Shiogamaguchi, Nagoya, 468-8502, Japan
| | - Masashi Mizuno
- Department of Agrobioscience, Graduate School of Agricultural Science, Kobe University, 1-1, Rokkodai-cho, Nada-ku, Kobe, 657-8501, Japan.
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Differential Cytokine Expression in the Duodenum and Rectum of Children with Non-Immunoglobulin E-Mediated Cow's Milk Protein Allergy. Dig Dis Sci 2021; 66:3769-3775. [PMID: 33433798 DOI: 10.1007/s10620-020-06743-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/11/2020] [Accepted: 11/20/2020] [Indexed: 12/09/2022]
Abstract
BACKGROUND Cow's milk protein allergy (CMPA) is the most prevalent food allergy in children, and its pathogenesis remains poorly understood. It has been shown that the combination of genetic predisposition, perinatal factors, and intestinal imbalance of the immune response mediated by cytokines may play an essential role in CMPA pathogenesis. AIM To characterize the gene expression of Th1, Th2, and Th17 cytokines in the duodenum and rectum in patients with CMPA. METHODS This is an observational, descriptive, cross-sectional, prospective study. We used specific IgE (ImmunoCAP®) in serum and biopsies from the rectum and duodenum for the detection of cytokine messenger RNA levels by real-time PCR in patients with a positive oral food challenge for CMPA. We analyzed the relative quantification of the gene expression of cytokines by real-time PCR, and we used the housekeeping gene GAPDH for normalization purposes. RESULTS Thirty children (13 male and 17 female) were evaluated. All patients had an open challenge for CMPA. IgE specific to casein, alfa-lactalbumin, and beta-lactoglobulin was negative in all patients. In terms of cytokine levels, the levels of TNFα, IL-6, IL-12 (Th1), IL-4, IL-10, IL-13 (Th2), and IL-17 were found to be higher in the rectum than in the duodenum (p < 0.05). IL-15 was found to be higher in the duodenum than in the rectum (p < 0.05). CONCLUSIONS In the present study we observed that the immune response in CMPA seems to be mediated by a Th1, Th2, and Th17 cytokine profile, with the rectum being the main affected site.
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Bessa C, Francisco T, Dias R, Mateus N, Freitas VD, Pérez-Gregorio R. Use of Polyphenols as Modulators of Food Allergies. From Chemistry to Biological Implications. FRONTIERS IN SUSTAINABLE FOOD SYSTEMS 2021. [DOI: 10.3389/fsufs.2021.623611] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Abstract
The multifactorial process of aging predisposes humans to infections and inflammatory disorders, thus affecting their quality of life and longevity. Given this reality, the need to increase the consumption of bioactive compounds, like dietary polyphenols emerges in our daily basis mostly due to their health related effects in slowing-down the incidence of chronic and degenerative diseases and even food allergy, which has been growing rapidly in prevalence currently affecting 5% of adults and 8% of children. Polyphenols embrace a large family of secondary metabolites from plant-derived foods and food wastes and are considerable of interest since they have attracted special attention over the years because of their reported anti-inflammatory and antimicrobial properties along with their high antioxidant capacity. These compounds are claimed as nutraceuticals with protective effect in offsetting oxidant species over-genesis in normal cells, and with the potential ability to stop or reverse oxidative stress-related diseases. Plant-derived foods represent a substantive portion of human diet containing a significant amount of structurally diverse polyphenols. There is a need to understand the polyphenolic composition of plant-derived foods mainly because of its chemistry, which discloses the bioactivity of a plant extract. However, the lack of standardized methods for analysis and other difficulties associated to the nature and distribution of plant polyphenols leads to a high variability of available data. Furthermore, there is still a gap in the understanding of polyphenols bioavailability and pharmacokinetics, which clearly difficult the settlement of the intake needed to observe health outcomes. Many efforts have been made to provide highly sensitive and selective analytical methods for the extraction (liquid-liquid; solid-liquid; supercritical-fluid), separation (spectrophotometric methods) and structural identification (chromatographic techniques, NMR spectroscopy, MS spectrometry) of phenolic and polyphenolic compounds present in these extracts. Liquid chromatography coupled to mass spectrometry (LC-MS) has been a fundamental technique in this area of research, not only for the determination of this family of compounds in food matrices, but also for the characterization and identification of new polyphenols classified with nutraceutical interest. This review summarizes the nature, distribution and main sources of polyphenols, analytical methods from extraction to characterization to further evaluate the health effects toward immune reactions to food.
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Yao K, Yang Y, Liu J, Zhang J, Shao B, Zhang Y. Labeled Peptide-Free UHPLC-MS/MS Method Used for Simultaneous Determination of Shrimp and Soybean in Sauce Products. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:7149-7157. [PMID: 34152133 DOI: 10.1021/acs.jafc.1c02008] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Unintentional missing of shrimp and soybean allergen information on precautionary food allergen labeling often occurs in sauce products. To avoid food allergies, sensitive and time-saving analytical methods are urgently needed. However, the currently reported methods usually employed labeled peptides for isotope internal standard quantitation, and the matrix effect caused by protein extraction or digestion can not be corrected. In this study, a labeled peptide-free standard addition method was developed for simultaneous determination of shrimp and soybean in sauce products using ultrahigh-performance liquid chromatography tandem mass spectrometry (UHPLC-MS/MS). Through the rational selection of stable peptides, satisfying mean recoveries and relative standard deviations of the chosen peptides are achieved. The limit of quantifications of each peptide ranged from 0.25 to 5 μg tropomyosin/g sauce and from 1 to 10 μg Gly m 6/g sauce, respectively. Using the labeled peptide-free UHPLC-MS/MS method, not only ideal experimental results were obtained surpassing those obtained with labeled peptides, but also the reagents were economized and shortening of the sample preparation time was achieved.
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Affiliation(s)
- Kai Yao
- Beijing Key Laboratory of Diagnostic and Traceability Technologies for Food Poisoning, Beijing Center for Disease Prevention and Control, Beijing 100013, People's Republic of China
- Beijing Research Center for Preventive Medicine, Beijing 100020, People's Republic of China
| | - Yunjia Yang
- Beijing Key Laboratory of Diagnostic and Traceability Technologies for Food Poisoning, Beijing Center for Disease Prevention and Control, Beijing 100013, People's Republic of China
- Beijing Research Center for Preventive Medicine, Beijing 100020, People's Republic of China
| | - Jinyuan Liu
- Beijing Key Laboratory of Diagnostic and Traceability Technologies for Food Poisoning, Beijing Center for Disease Prevention and Control, Beijing 100013, People's Republic of China
- Beijing Research Center for Preventive Medicine, Beijing 100020, People's Republic of China
| | - Jing Zhang
- Beijing Key Laboratory of Diagnostic and Traceability Technologies for Food Poisoning, Beijing Center for Disease Prevention and Control, Beijing 100013, People's Republic of China
- Beijing Research Center for Preventive Medicine, Beijing 100020, People's Republic of China
| | - Bing Shao
- Beijing Key Laboratory of Diagnostic and Traceability Technologies for Food Poisoning, Beijing Center for Disease Prevention and Control, Beijing 100013, People's Republic of China
- Beijing Research Center for Preventive Medicine, Beijing 100020, People's Republic of China
| | - Yanli Zhang
- Department of Gastroenterology, China-Japan Friendship Hospital, Beijing 100029, China
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9
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The multidimensional nature of food neophobia. Appetite 2021; 162:105177. [PMID: 33667498 DOI: 10.1016/j.appet.2021.105177] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Revised: 02/12/2021] [Accepted: 02/19/2021] [Indexed: 11/22/2022]
Abstract
People vary in their willingness to try new foods. This variation, which is most frequently measured using the Food Neophobia Scale (FNS; Pliner & Hobden, 1992), has been interpreted as unidimensional. In four studies (N's = 210, 306, 160, and 161), we 1) demonstrate that food neophobia varies across meat and plant dimensions, 2) explore the validity of a measure of meat and plant neophobia, and 3) test whether these food neophobia dimensions predict decisions to eat a novel food item (i.e., a snack bar that contains insects). Mixed-effects model across the four studies indicated that the two dimensions differentially relate to a number of variables, including disgust sensitivity, animal empathy, and masculinity. Women scored higher on meat neophobia than men, but the sexes did not differ on plant neophobia. Only meat neophobia uniquely predicted eating a novel insect-based snack bar. Overall, these results extend knowledge regarding orientations toward novel foods.
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Benedé S, Berin MC. Applications of Mouse Models to the Study of Food Allergy. Methods Mol Biol 2021; 2223:1-17. [PMID: 33226583 DOI: 10.1007/978-1-0716-1001-5_1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Mouse models of allergic disease offer numerous advantages when compared to the models of other animals. However, selection of appropriate mouse models is critical to advance the field of food allergy by revealing mechanisms of allergy and for testing novel therapeutic approaches. All current mouse models for food allergy have weaknesses that may limit their applicability to human disease. Aspects such as the genetic predisposition to allergy or tolerance from the strain of mouse used, allergen dose, route of exposure (oral, intranasal, intraperitoneal, or epicutaneous), damage of the epithelial barrier, use of adjuvants, food matrix effects, or composition of the microbiota should be considered prior to the selection of a specific murine model and contemplated according to the intended purpose of the study. This chapter reviews our current knowledge on the application of mouse models to food allergy research and the variables that may influence the successful development of each type of model.
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Affiliation(s)
- Sara Benedé
- Instituto de Investigación en Ciencias de la Alimentación (CIAL), CSIC-UAM, Madrid, Spain
- Jaffe Food Allergy Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - M Cecilia Berin
- Jaffe Food Allergy Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
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11
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A colorimetric and fluorescent gold nanoparticle-based dual-mode aptasensor for parvalbumin detection. Microchem J 2020. [DOI: 10.1016/j.microc.2020.105413] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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12
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Abstract
Food allergens are innocuous proteins that promote tolerogenic adaptive immune responses in healthy individuals yet in other individuals induce an allergic adaptive immune response characterized by the presence of antigen-specific immunoglobulin E and type-2 immune cells. The cellular and molecular processes that determine a tolerogenic versus non-tolerogenic immune response to dietary antigens are not fully elucidated. Recently, there have been advances in the identification of roles for microbial communities and anatomical sites of dietary antigen exposure and presentation that have provided new insights into the key regulatory steps in the tolerogenic versus non-tolerogenic decision-making processes. Herein, we will review and discuss recent findings in cellular and molecular processes underlying food sensitization and tolerance, immunological processes underlying severity of food-induced anaphylaxis, and insights obtained from immunotherapy trials.
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Affiliation(s)
- Sunil Tomar
- 1. Mary H. Weiser Food Allergy Center, Department of Pathology, University of Michigan 4051-BSRB, 109 Zina Pitcher Place, Ann Arbor, MI, 48109-2200, USA
| | - Simon P Hogan
- 1. Mary H. Weiser Food Allergy Center, Department of Pathology, University of Michigan 4051-BSRB, 109 Zina Pitcher Place, Ann Arbor, MI, 48109-2200, USA
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Kanagaratham C, El Ansari YS, Sallis BF, Hollister BMA, Lewis OL, Minnicozzi SC, Oyoshi MK, Rosen R, Nurko S, Fiebiger E, Oettgen HC. Omeprazole inhibits IgE-mediated mast cell activation and allergic inflammation induced by ingested allergen in mice. J Allergy Clin Immunol 2020; 146:884-893.e5. [PMID: 32194041 DOI: 10.1016/j.jaci.2020.02.032] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2019] [Revised: 02/25/2020] [Accepted: 02/26/2020] [Indexed: 12/12/2022]
Abstract
BACKGROUND Patients with eosinophilic esophagitis have increased numbers of mucosal mast cells. Administration of the proton pump inhibitor omeprazole can reduce both esophageal mast cell and eosinophil numbers and attenuate type 2 inflammation in these subjects. OBJECTIVE Given that maintenance of an acidic environment within granules is important for mast cell homeostasis, we sought to evaluate the effects of omeprazole on mast cell functions including development, IgE:FcεRI-mediated activation, and responses to food allergen. METHODS Mast cell degranulation, cytokine secretion, and early signaling events in the FcεRI pathway, including protein kinase phosphorylation and Ca2+ flux, were measured after IgE crosslinking in murine bone marrow-derived mast cells and human cord blood-derived mast cells. The effects of omeprazole on these responses were investigated as was its impact on mast cell-dependent anaphylaxis and food allergy phenotypes in vivo. RESULTS Murine and human mast cells treated with omeprazole exhibited diminished degranulation and release of cytokines and histamine in response to allergen. In murine mast cells, phosphorylation of protein kinases, ERK and SYK, was decreased. Differentiation of mast cells from bone marrow progenitors was also inhibited. IgE-mediated passive anaphylaxis was blunted in mice treated with omeprazole as was allergen-induced mast cell expansion and mast cell activation in the intestine in a model of food allergy. CONCLUSIONS Our findings suggest that omeprazole targets pathways important for the differentiation and activation of murine mast cells and for the manifestations of food allergy and anaphylaxis.
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Affiliation(s)
- Cynthia Kanagaratham
- Department of Pediatrics, Boston Children's Hospital, Boston, Mass; Department of Pediatrics, Harvard Medical School, Boston, Mass
| | - Yasmeen S El Ansari
- Department of Pediatrics, Boston Children's Hospital, Boston, Mass; Department of Pediatrics, Harvard Medical School, Boston, Mass; Institute of Laboratory Medicine, Philipps University Marburg, Germany
| | | | | | - Owen L Lewis
- Department of Pediatrics, Boston Children's Hospital, Boston, Mass
| | - Samantha C Minnicozzi
- Department of Pediatrics, Boston Children's Hospital, Boston, Mass; Department of Pediatrics, Harvard Medical School, Boston, Mass
| | - Michiko K Oyoshi
- Department of Pediatrics, Boston Children's Hospital, Boston, Mass; Department of Pediatrics, Harvard Medical School, Boston, Mass
| | - Rachel Rosen
- Department of Pediatrics, Boston Children's Hospital, Boston, Mass; Department of Pediatrics, Harvard Medical School, Boston, Mass
| | - Samuel Nurko
- Department of Pediatrics, Boston Children's Hospital, Boston, Mass; Department of Pediatrics, Harvard Medical School, Boston, Mass
| | - Edda Fiebiger
- Department of Pediatrics, Boston Children's Hospital, Boston, Mass; Department of Pediatrics, Harvard Medical School, Boston, Mass
| | - Hans C Oettgen
- Department of Pediatrics, Boston Children's Hospital, Boston, Mass; Department of Pediatrics, Harvard Medical School, Boston, Mass.
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14
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Abstract
Food allergies are a growing public health concern affecting approximately 8% of children and 10% of adults in the United States. Several immunotherapy approaches are under active investigation, including oral immunotherapy, epicutaneous immunotherapy, and sublingual immunotherapy. Each of these approaches uses a similar strategy of administering small, increasing amounts of allergen to the allergic subject. Immunologic studies have described changes in the T-cell compartment, serum and salivary immunoglobulin profile, and mast cell and basophil degranulation status in response to allergens. This review highlights the immunologic changes induced by food allergen-specific immunotherapy and discusses future directions in this field.
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Affiliation(s)
- Johanna M Smeekens
- UNC Department of Pediatrics, UNC Food Allergy Initiative, UNC Chapel Hill, 116 Manning Drive, Mary Ellen Jones Building, Room 3004, Chapel Hill, NC 27599, USA.
| | - Michael D Kulis
- UNC Department of Pediatrics, UNC Food Allergy Initiative, UNC Chapel Hill, 116 Manning Drive, Mary Ellen Jones Building, Room 3004, Chapel Hill, NC 27599, USA
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15
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A Comprehensive Review on Mustard-Induced Allergy and Implications for Human Health. Clin Rev Allergy Immunol 2019; 57:39-54. [PMID: 29159565 DOI: 10.1007/s12016-017-8651-2] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
Mustard is widely used in a variety of foods/food products to enhance the flavor and nutritional value that subsequently raise the risk of hypersensitivity reactions. Mustard allergy has been reported for many years and is increasing gradually especially in the areas where its consumption is comparatively higher, and it may be considered among the most important food allergies. A number of relevant clinical studies focused on mustard-induced allergic manifestations are summarized in the current review. In addition, the knowledge regarding the immunological as well as biochemical characteristics of mustard allergens that have been known till date and their cross-reactivity with other food allergens have also been discussed here. Notably, mustard may also be present as a hidden allergen in foods; therefore, it is important to recognize food products that may contain mustard as it may pose potential risk for the allergic individuals. Additionally, the better understanding of the underlying mechanism in mustard allergy is a prerequisite for the development of specific therapeutic procedures. Conclusively, mustard sensitivity should be routinely tested in patients with idiopathic anaphylaxis for the safety of the allergic patients.
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Virkud YV, Kelly RS, Wood C, Lasky-Su JA. The nuts and bolts of omics for the clinical allergist. Ann Allergy Asthma Immunol 2019; 123:558-563. [PMID: 31562939 DOI: 10.1016/j.anai.2019.09.017] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2019] [Revised: 09/17/2019] [Accepted: 09/17/2019] [Indexed: 12/16/2022]
Abstract
OBJECTIVE Omics, aka multi-omics, is an emerging area of research that is advancing the use of personalized medicine in clinical practice and is therefore relevant for the practicing allergist. DATA SOURCES We performed a literature search of a selection of scientific findings in omics and allergy, including variants that may be important to allergy outcomes in the genome, transcriptome, metabolome, microbiome, epigenome, and exposome, among others. STUDY SELECTIONS Basic science papers and review articles. RESULTS The use of multi-omic data in clinical practice is changing how clinicians treat their patients whereby more personalized approaches are becoming standard in medical practice and has the potential to transform the treatment of allergies. CONCLUSION Multi-omic data are relevant and will become increasingly important for the clinical allergist.
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Affiliation(s)
- Yamini V Virkud
- Department of Pediatrics, Massachusetts General Hospital for Children and Harvard Medical School, Boston, Massachusetts; Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts
| | - Rachel S Kelly
- Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts
| | - Caleb Wood
- Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts
| | - Jessica A Lasky-Su
- Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts.
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17
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Chen M, Sutherland A, Birrueta G, Laubach S, Leonard S, Peters B, Schulten V. Analysis of Allergen-Specific T Cell and IgE Reactivity to Different Preparations of Cow's Milk-Containing Food Extracts. Cells 2019; 8:E667. [PMID: 31269726 PMCID: PMC6679079 DOI: 10.3390/cells8070667] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2019] [Revised: 06/21/2019] [Accepted: 06/27/2019] [Indexed: 01/13/2023] Open
Abstract
BACKGROUND cow's milk allergy (CM) is among the most common food allergies in young children and is often outgrown by adulthood. Prior to developing a tolerance to CM, a majority of CM-allergic children may tolerate extensively-heated CM. This study aims to characterize the IgE- and T cell-reactivity to unheated CM and the progressively more heated CM-containing foods. METHODS CM-containing food extracts from muffin, baked cheese, custard and raw, pasteurized CM commercial extract were tested for skin prick test reactivity, IgE binding and T cell reactivity as assessed by IL-5 and IFNγ production. RESULTS the skin prick test (SPT) reactivity was significantly decreased to muffin extract compared to raw, pasteurized CM. Both IgE- and T-cell reactivity were readily detectable against food extracts from all forms of CM. Western blot analysis of IgE reactivity revealed variability between extracts that was protein-specific. T cell-reactivity was detected against all four extracts with no significant difference in IL-5 or IFNγ production between them. CONCLUSION our data indicate that despite reduced clinical reactivity, extracts from heated CM-containing foods retain immunogenicity when tested in vitro, particularly at the T cell level.
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Affiliation(s)
- Meng Chen
- Division of Pediatric Allergy & Immunology, Rady Children's Hospital San Diego, University of California, San Diego, CA 92123, USA
- Department of Medicine, University of California San Diego, La Jolla, CA 92093, USA
| | | | | | - Susan Laubach
- Division of Pediatric Allergy & Immunology, Rady Children's Hospital San Diego, University of California, San Diego, CA 92123, USA
| | - Stephanie Leonard
- Division of Pediatric Allergy & Immunology, Rady Children's Hospital San Diego, University of California, San Diego, CA 92123, USA
| | - Bjoern Peters
- Department of Medicine, University of California San Diego, La Jolla, CA 92093, USA
- La Jolla Institute for Immunology, La Jolla, CA 92037, USA
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18
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Holanda MO, Fiorio BC, Silva JYGD, Marques CG, Lira SM, Lima CLS, Costa JTG, Freitas TVD, Silva LAD, Oliveira DFD, Rabelo CAF, Florindo Guedes MI. Humoral immune response in mice immunized orally with conventional and transgenic soy extracts (Glycine max). FOOD AGR IMMUNOL 2019. [DOI: 10.1080/09540105.2019.1615038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022] Open
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19
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The Role of Dietary Energy and Macronutrients Intake in Prevalence of Irritable Bowel Syndromes. BIOMED RESEARCH INTERNATIONAL 2019; 2019:8967306. [PMID: 31223623 PMCID: PMC6541956 DOI: 10.1155/2019/8967306] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/09/2019] [Accepted: 04/30/2019] [Indexed: 02/07/2023]
Abstract
Background Irritable bowel syndrome (IBS) is a chronic gastrointestinal disorder characterized by abdominal pain and altered bowel habits in the absence of any detectable organic illnesses. Interest in the effect of dietary opponents to the IBS pathogenesis has been increased in recent years. This study aims to review previous studies to determine the relationship between IBS prevalence in community and dietary energy and macronutrients intakes according to the national nutrition surveys. Methods A literature search was conducted in PubMed and EMBASE to September, 2018, to identify population-based studies that reported the prevalence of IBS. Daily energy intake, daily carbohydrates, and protein and fat percent contribution to energy intake (%) were obtained from study population-based national nutrition survey. The correlations of prevalence of IBS and dietary intakes were obtained by Spearman coefficient or Pearson coefficient. Results Global prevalence of IBS was 11.7%. There was no correlation between overall prevalence of IBS of individual countries and national energy intake (P = 0.785), protein proportion (P = 0.063), carbohydrates proportion (P = 0.505), or fat proportion (P = 0.384) according to the years when the studies were conducted. No correlations were detected between dietary intake and male or female IBS prevalence. Interestingly, protein proportion was positively correlated with the prevalence of IBS in Rome III criteria (r = 0.569). Conclusion Our findings demonstrate that dietary energy and macronutrients intake do not play a direct role in prevalence of IBS. However, IBS diagnostic criteria seem to have a bias on the correlation between prevalence of IBS and dietary intake. Further studies are needed to confirm the correlation between prevalence of IBS and specific dietary intake.
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20
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Leyva-Castillo JM, Galand C, Kam C, Burton O, Gurish M, Musser MA, Goldsmith JD, Hait E, Nurko S, Brombacher F, Dong C, Finkelman FD, Lee RT, Ziegler S, Chiu I, Austen KF, Geha RS. Mechanical Skin Injury Promotes Food Anaphylaxis by Driving Intestinal Mast Cell Expansion. Immunity 2019; 50:1262-1275.e4. [PMID: 31027995 DOI: 10.1016/j.immuni.2019.03.023] [Citation(s) in RCA: 139] [Impact Index Per Article: 27.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2018] [Revised: 01/17/2019] [Accepted: 03/25/2019] [Indexed: 12/15/2022]
Abstract
Mast cell (MC) mediator release after crosslinking of surface-bound IgE antibody by ingested antigen underlies food allergy. However, IgE antibodies are not uniformly associated with food allergy, and intestinal MC load is an important determinant. Atopic dermatitis (AD), characterized by pruritis and cutaneous sensitization to allergens, including foods, is strongly associated with food allergy. Tape stripping mouse skin, a surrogate for scratching, caused expansion and activation of small intestinal MCs, increased intestinal permeability, and promoted food anaphylaxis in sensitized mice. Tape stripping caused keratinocytes to systemically release interleukin-33 (IL-33), which synergized with intestinal tuft-cell-derived IL-25 to drive the expansion and activation of intestinal type-2 innate lymphoid cells (ILC2s). These provided IL-4, which targeted MCs to expand in the intestine. Duodenal MCs were expanded in AD. In addition to promoting cutaneous sensitization to foods, scratching may promote food anaphylaxis in AD by expanding and activating intestinal MCs.
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Affiliation(s)
| | - Claire Galand
- Division of Immunology, Boston Children's Hospital, Harvard Medical School, Boston, MA, USA
| | - Christy Kam
- Division of Immunology, Boston Children's Hospital, Harvard Medical School, Boston, MA, USA
| | - Oliver Burton
- Division of Immunology, Boston Children's Hospital, Harvard Medical School, Boston, MA, USA
| | - Michael Gurish
- Division of Rheumatology, Immunology and Allergy, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Melissa A Musser
- Department of Microbiology and Immunobiology, Harvard Medical School, Boston, MA 02115, USA
| | | | - Elizabeth Hait
- Division of Gastroenterology, Boston Children's Hospital, Boston, MA, USA
| | - Samuel Nurko
- Division of Gastroenterology, Boston Children's Hospital, Boston, MA, USA
| | - Frank Brombacher
- International Center for Genetic Engineering and Biotechnology & University of Cape Town & South Africa Medical Research Council, South Africa
| | - Chen Dong
- Institute for Immunology and School of Medicine, Tsinghua University, Beijing, China
| | - Fred D Finkelman
- Department of Internal Medicine and Division of Immunobiology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
| | - Richard T Lee
- Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, MA, USA
| | - Steven Ziegler
- Immunology Program, Benaroya Research Institute, Seattle, WA, USA
| | - Isaac Chiu
- Department of Microbiology and Immunobiology, Harvard Medical School, Boston, MA 02115, USA
| | - K Frank Austen
- Division of Rheumatology, Immunology and Allergy, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Raif S Geha
- Division of Immunology, Boston Children's Hospital, Harvard Medical School, Boston, MA, USA.
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21
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Saeki T, Sunayama H, Kitayama Y, Takeuchi T. Orientationally Fabricated Zwitterionic Molecularly Imprinted Nanocavities for Highly Sensitive Glycoprotein Recognition. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2019; 35:1320-1326. [PMID: 29940727 DOI: 10.1021/acs.langmuir.8b01215] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Glycoprotein recognition has recently gained a lot of attention, since glycoproteins play important roles in a diverse range of biological processes. Robustly synthesized glycoprotein receptors, such as molecularly imprinted polymers (MIPs), which can be easily and sustainably handled, are highly attractive as antibody substitutes because of the difficulty in obtaining high-affinity antibodies specific for carbohydrate-containing antigens. Herein, molecularly imprinted nanocavities for glycoproteins have been fabricated via a bottom-up molecular imprinting approach using surface-initiated atom transfer radical polymerization (SI-ATRP). As a model glycoprotein, ovalbumin was immobilized in a specific orientation onto a surface plasmon resonance sensor chip by forming a conventional cyclic diester between boronic acid and cis-diol. Biocompatible polymer matrices were formed around the template molecule, ovalbumin, using SI-ATRP via a hydrophilic comonomer, 2-methacryloyloxyethyl phosphorylcholine, in the presence of pyrrolidyl acrylate (PyA), a functional monomer capable of electrostatically interacting with ovalbumin. The removal of ovalbumin left MIPs with binding cavities containing boronic acid and PyA residues located at suitable positions for specifically binding ovalbumin. Careful analysis revealed that strict control over the polymer significantly improved sensitivity and selectivity for ovalbumin recognition, with a limit of detection of 6.41 ng/mL. Successful detection of ovalbumin in an egg white matrix was demonstrated to confirm the practical utility of this approach. Thus, this strategy of using a polymer-based recognition of a glycoprotein through molecularly imprinted nanocavities precisely prepared using a bottom-up approach provides a potentially powerful approach for detection of other glycoproteins.
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22
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Hill DA, Spergel JM. The atopic march: Critical evidence and clinical relevance. Ann Allergy Asthma Immunol 2019; 120:131-137. [PMID: 29413336 DOI: 10.1016/j.anai.2017.10.037] [Citation(s) in RCA: 187] [Impact Index Per Article: 37.4] [Reference Citation Analysis] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2017] [Revised: 10/16/2017] [Accepted: 10/31/2017] [Indexed: 01/18/2023]
Affiliation(s)
- David A Hill
- Department of Pediatrics, Division of Allergy and Immunology, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania; Institute for Immunology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania
| | - Jonathan M Spergel
- Department of Pediatrics, Division of Allergy and Immunology, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania; Institute for Immunology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania.
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23
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Abstract
Finely tuned mechanisms enable the gastrointestinal tract to break down dietary components into nutrients without mounting, in the majority of cases, a dysregulated immune or functional host response. However, adverse reactions to food have been steadily increasing, and evidence suggests that this process is environmental. Adverse food reactions can be divided according to their underlying pathophysiology into food intolerances, when, for instance, there is deficiency of a host enzyme required to digest the food component, and food sensitivities, when immune mechanisms are involved. In this Review, we discuss the clinical and experimental evidence for enteric infections and/or alterations in the gut microbiota in inciting food sensitivity. We focus on mechanisms by which microorganisms might provide direct pro-inflammatory signals to the host promoting breakdown of oral tolerance to food antigens or indirect pathways that involve the metabolism of protein antigens and other dietary components by gut microorganisms. Better understanding of these mechanisms will help in the development of preventive and therapeutic strategies for food sensitivities.
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24
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Al-Abri R, Al-Amri AS, Al-Dhahli Z, Varghese AM. Allergic Rhinitis in Relation to Food Allergies: Pointers to future research. Sultan Qaboos Univ Med J 2018; 18:e30-e33. [PMID: 29666678 DOI: 10.18295/squmj.2018.18.01.005] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2017] [Revised: 11/12/2017] [Accepted: 01/18/2018] [Indexed: 11/16/2022] Open
Abstract
Allergic rhinitis is a ubiquitous type of allergic reaction which results in significant costs to affected patients and their families. Although allergic rhinitis can coexist with other atopic conditions, the role of food allergies in the development of allergic rhinitis has not been well studied. This article explores relevant literature on this subject in order to identify gaps in the available body of knowledge and elucidate scope for further research.
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Affiliation(s)
- Rashid Al-Abri
- Department of Surgery, College of Medicine & Health Sciences, Sultan Qaboos University, Muscat, Oman
| | - Asdaf S Al-Amri
- Post-Internship Programme, Directorate General of Health Services, Ministry of Health, Muscat, Oman
| | - Zaina Al-Dhahli
- Otolaryngology Residency Programme, Oman Medical Specialty Board, Muscat, Oman
| | - Ajoy M Varghese
- Department of Surgery, College of Medicine & Health Sciences, Sultan Qaboos University, Muscat, Oman.,Department of Ear, Nose & Throat, Christian Medical College, Vellore, Tamil Nadu, India
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25
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Su M, Liu C, Roux KH, Gradziel TM, Sathe SK. Effects of processing and storage on almond (Prunus dulcis L.) amandin immunoreactivity. Food Res Int 2017; 100:87-95. [DOI: 10.1016/j.foodres.2017.06.061] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2017] [Revised: 06/21/2017] [Accepted: 06/25/2017] [Indexed: 01/09/2023]
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Food allergen extracts to diagnose food-induced allergic diseases: How they are made. Ann Allergy Asthma Immunol 2017; 119:101-107. [PMID: 28801015 DOI: 10.1016/j.anai.2016.11.008] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2016] [Revised: 11/01/2016] [Accepted: 11/10/2016] [Indexed: 11/20/2022]
Abstract
OBJECTIVE To review the manufacturing procedures of food allergen extracts and applicable regulatory requirements from government agencies, potential approaches to standardization, and clinical application of these products. The effects of thermal processing on allergenicity of common food allergens are also considered. DATA SOURCES A broad literature review was conducted on the natural history of food allergy, the manufacture of allergen extracts, and the allergenicity of heated food. Regulations, guidance documents, and pharmacopoeias related to food allergen extracts from the United States and Europe were also reviewed. STUDY SELECTIONS Authoritative and peer-reviewed research articles relevant to the topic were chosen for review. Selected regulations and guidance documents are current and relevant to food allergen extracts. RESULTS Preparation of a food allergen extract may require careful selection and identification of source materials, grinding, defatting, extraction, clarification, sterilization, and product testing. Although extractions for all products licensed in the United States are performed using raw source materials, many foods are not consumed in their raw form. Heating foods may change their allergenicity, and doing so before extraction may change their allergenicity and the composition of the final product. CONCLUSION The manufacture of food allergen extracts requires many considerations to achieve the maximal quality of the final product. Allergen extracts for a select number of foods may be inconsistent between manufacturers or unreliable in a clinical setting, indicating a potential area for future improvement.
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Fernandes TJR, Costa J, Carrapatoso I, Oliveira MBPP, Mafra I. Advances on the molecular characterization, clinical relevance, and detection methods of Gadiform parvalbumin allergens. Crit Rev Food Sci Nutr 2017; 57:3281-3296. [DOI: 10.1080/10408398.2015.1113157] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
| | - Joana Costa
- REQUIMTE-LAQV, Faculdade de Farmácia, Universidade do Porto, Porto, Portugal
| | - Isabel Carrapatoso
- Serviço de Imunoalergologia, Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal
| | | | - Isabel Mafra
- REQUIMTE-LAQV, Faculdade de Farmácia, Universidade do Porto, Porto, Portugal
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28
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Zhang J, Su H, Li Q, Wu H, Liu M, Huang J, Zeng M, Zheng Y, Sun X. Oral administration of Clostridium butyricum CGMCC0313-1 inhibits β-lactoglobulin-induced intestinal anaphylaxis in a mouse model of food allergy. Gut Pathog 2017; 9:11. [PMID: 28250847 PMCID: PMC5322677 DOI: 10.1186/s13099-017-0160-6] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/23/2016] [Accepted: 02/16/2017] [Indexed: 01/14/2023] Open
Abstract
Background Probiotic bacteria can induce immune regulation or immune tolerance in patients with allergic diseases, but the underlying mechanisms are still unclear. There has been a growing interest in the use of beneficial bacteria for allergic diseases recently. This study aimed at exploring whether Clostridium butyricum CGMCC0313-1 (C. butyricum) can reduce β-lactoglobulin(BLG)-induced intestinal anaphylaxis in a murine model of food allergy. Methods The preventive and therapeutic effects of oral C. butyricum on anaphylactic symptoms induced via BLG in food allergy mice were investigated. Intestinal anaphylaxis, T helper (Th)-specific cytokines and transcription factors, secretory IgA (sIgA), CD4+ CD25+ Foxp3Treg cell and histopathological alterations were examined. Results Clostridium butyricum significantly ameliorated intestinal anaphylaxis symptoms in the food allergy mice. sIgA and CD4+ CD25+ Foxp3Treg cell were increased by oral C. butyricum. It also reversed the imbalance of Th1/Th2 andTh17/Treg. Conclusions Clostridium butyricum reduces BLG-induced intestinal anaphylaxis in mice and might be an additional or supplementary therapy for food allergy.
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Affiliation(s)
- Juan Zhang
- Department of Pediatrics, Xijing Hospital, the Fourth Military Medical University, Xi'an, 710032 China
| | - Hui Su
- Department of Geratology, Xijing Hospital, the Fourth Military Medical University, Xi'an, 710032 China
| | - Qiuhong Li
- Department of Pediatrics, Xijing Hospital, the Fourth Military Medical University, Xi'an, 710032 China
| | - Haixia Wu
- Department of Pediatrics, Xijing Hospital, the Fourth Military Medical University, Xi'an, 710032 China
| | - Mengyun Liu
- Respiratory Department, Shenzhen Children's Hospital, Shenzhen, 518036 China
| | - Jianqiong Huang
- Respiratory Department, Shenzhen Children's Hospital, Shenzhen, 518036 China
| | - Minghua Zeng
- Department of Pediatrics, Xijing Hospital, the Fourth Military Medical University, Xi'an, 710032 China
| | - Yuejie Zheng
- Respiratory Department, Shenzhen Children's Hospital, Shenzhen, 518036 China
| | - Xin Sun
- Department of Pediatrics, Xijing Hospital, the Fourth Military Medical University, Xi'an, 710032 China
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29
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Shik D, Tomar S, Lee JB, Chen CY, Smith A, Wang YH. IL-9-producing cells in the development of IgE-mediated food allergy. Semin Immunopathol 2017; 39:69-77. [PMID: 27909880 PMCID: PMC5225002 DOI: 10.1007/s00281-016-0605-x] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2016] [Accepted: 11/03/2016] [Indexed: 10/20/2022]
Abstract
Food allergy is a harmful immune reaction driven by uncontrolled type 2 immune responses. Considerable evidence demonstrates the key roles of mast cells, IgE, and TH2 cytokines in mediating food allergy. However, this evidence provides limited insight into why only some, rather than all, food allergic individuals are prone to develop life-threatening anaphylaxis. Clinical observations suggest that patients sensitized to food through the skin early in life may later develop severe food allergies. Aberrant epidermal thymic stromal lymphopoietin and interleukin (IL) 33 production and genetic predisposition can initiate an allergic immune response mediated by dendritic cells and CD4+TH2 cells in inflamed skin. After allergic sensitization, intestinal IL-25 and food ingestion enhance concerted interactions between type 2 innate lymphoid cells (ILC2s) and CD4+TH2 cells, which perpetuate allergic reactions from the skin to the gut. IL-4 and cross-linking of antigen/IgE/FcεR complexes induce emigrated mast cell progenitors to develop into the multi-functional IL-9-producing mucosal mast cells, which produce prodigious amounts of IL-9 and mast cell mediators to drive intestinal mastocytosis in an autocrine loop. ILC2s and TH9 cells may also serve as alternative cellular sources of IL-9 to augment the amplification of intestinal mastocytosis, which is the key cellular checkpoint in developing systemic anaphylaxis. These findings provide a plausible view of how food allergy develops and progresses in a stepwise manner and that atopic signals, dietary allergen ingestion, and inflammatory cues are fundamental in promoting life-threatening anaphylaxis. This information will aid in improving diagnosis and developing more effective therapies for food allergy-triggered anaphylaxis.
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Affiliation(s)
- Dana Shik
- Division of Allergy and Immunology, Cincinnati Children's Hospital Medical Center, Burnet Avenue, Cincinnati, OH, 45229, USA
| | - Sunil Tomar
- Division of Allergy and Immunology, Cincinnati Children's Hospital Medical Center, Burnet Avenue, Cincinnati, OH, 45229, USA
| | - Jee-Boong Lee
- Laboratory of Immunology and Infectious Diseases, Graduate School of Medical Science and Engineering, KAIST, Daejeon, 34141, South Korea
| | - Chun-Yu Chen
- Division of Hematology/Oncology and Bone Marrow Transplantation, Nationwide Children's Hospital, Columbus, 43205, USA
| | - Andrew Smith
- Division of Allergy and Immunology, Cincinnati Children's Hospital Medical Center, Burnet Avenue, Cincinnati, OH, 45229, USA
| | - Yui-Hsi Wang
- Division of Allergy and Immunology, Cincinnati Children's Hospital Medical Center, Burnet Avenue, Cincinnati, OH, 45229, USA.
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Eissa S, Zourob M. In vitro selection of DNA aptamers targeting β-lactoglobulin and their integration in graphene-based biosensor for the detection of milk allergen. Biosens Bioelectron 2016; 91:169-174. [PMID: 28006685 DOI: 10.1016/j.bios.2016.12.020] [Citation(s) in RCA: 78] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2016] [Revised: 12/04/2016] [Accepted: 12/08/2016] [Indexed: 01/02/2023]
Abstract
Food allergy has increased rapidly in recent years affecting millions of people worldwide. With the increased consumption of packed food nowadays, a sensitive, accurate and rapid screening method for potential food allergens has become an urgent need in order to protect the sensitive consumers from life-threatening reactions. The current detection methods for food allergens are mostly based on immunoassays which are costly and times-consuming. In this work, we developed an aptamer/graphene-based electrochemical biosensor for on-step, sensitive and low cost detection of β-lactoglobulin (β-LG) milk protein, one of the most common food allergens specially in infants. The selection of DNA aptamers against the two β-LG variants A and B was successfully realised using systemic evolution of ligands by exponential enrichment (SELEX) method. Among the selected aptamers, BLG14 aptamer sequence has shown high affinity and specificity to both β-LG A and B with dissociation constants (Kds) of 82 and 80nM, respectively as calculated using fluorescence binding assays. The aptamer was then integrated in a voltammetric biosensor utilizing graphene-modified screen printed carbon electrodes. The binding is monitored by following the change in the square wave voltammetry (SWV) reduction peak signal of ferrocyanide/ferricyanide redox couple due to the removal of the negatively charged aptamers from the surface upon protein binding. This one-step "signal on" biosensor takes 20min for the sensitive and selective detection of β-LG without using any labelling or sophisticated designs. The method was also tested in spiked food sample extract achieving good recovery percentage. The integration of the novel aptamer in the graphene biosensor allows a promising way for cost-effective, rapid and sensitive on-site detection of milk allergen in food stuff.
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Affiliation(s)
- Shimaa Eissa
- Department of Chemistry, Alfaisal University, Al Zahrawi Street, Al Maather, Al Takhassusi Road, Riyadh 11533, Saudi Arabia
| | - Mohammed Zourob
- Department of Chemistry, Alfaisal University, Al Zahrawi Street, Al Maather, Al Takhassusi Road, Riyadh 11533, Saudi Arabia; King Faisal Specialist Hospital and Research Center, Zahrawi Street, Al Maather, Riyadh 12713, Saudi Arabia.
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31
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Mainente F, Simonato B, Pasini G, Franchin C, Arrigoni G, Rizzi C. Hen egg white lysozyme is a hidden allergen in Italian commercial ciders. Food Addit Contam Part A Chem Anal Control Expo Risk Assess 2016; 34:145-151. [PMID: 27892783 DOI: 10.1080/19440049.2016.1265673] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Hen egg white lysozyme (HEWL) is an enzyme used in alcoholic fermentation for its ability to control the growth of Gram-positive and spoilage bacteria, without inhibiting yeast growth, and it allows a reduction in the use of sulphur dioxide. Nevertheless, considering the potential allergenicity of this protein, the presence of HEWL should be declared on the label of the final product. In this work, we analysed 18 commercial Italian ciders by LC-MS/MS and found traces of HEWL in 12 samples without label declaration. We used Western blot and enzyme-linked immunosorbent assay (ELISA) to verify the immunological activity of HEWL, and to quantify its content in the ciders. Two out of 18 samples were found to be positive both by immunoblot and ELISA. The results indicate the requirement of a more stringent control of commercial ciders and the need of label declaration for ciders treated with such compounds.
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Affiliation(s)
- Federica Mainente
- a Department of Agronomy Food Natural Resources Animals and Environment , University of Padua , Legnaro (PD) , Italy.,b Department of Biotechnology , University of Verona , Verona , Italy
| | - Barbara Simonato
- b Department of Biotechnology , University of Verona , Verona , Italy
| | - Gabriella Pasini
- a Department of Agronomy Food Natural Resources Animals and Environment , University of Padua , Legnaro (PD) , Italy
| | - Cinzia Franchin
- c Department of Biomedical Sciences , University of Padua , Padua , Italy.,d Proteomics Center of Padua University and Azienda Ospedaliera di Padova , Padua , Italy
| | - Giorgio Arrigoni
- c Department of Biomedical Sciences , University of Padua , Padua , Italy.,d Proteomics Center of Padua University and Azienda Ospedaliera di Padova , Padua , Italy
| | - Corrado Rizzi
- b Department of Biotechnology , University of Verona , Verona , Italy
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Abstract
Immunoglobulin E (IgE)-mediated food allergy is an adverse reaction to foods and is driven by uncontrolled type-2 immune responses. Current knowledge cannot explain why only some individuals among those with food allergy are prone to develop life-threatening anaphylaxis. It is increasingly evident that the immunologic mechanisms involved in developing IgE-mediated food allergy are far more complex than allergic sensitization. Clinical observations suggest that patients who develop severe allergic reactions to food are often sensitized through the skin in early infancy. Environmental insults trigger epidermal thymic stromal lymphopoietin and interleukin-33 (IL-33) production, which endows dendritic cells with the ability to induce CD4
+TH2 cell-mediated allergic inflammation. Intestinal IL-25 propagates the allergic immune response by enhancing collaborative interactions between resident type-2 innate lymphoid cells and CD4
+TH2 cells expanded by ingested antigens in the gastrointestinal tract. IL-4 signaling provided by CD4
+TH2 cells induces emigrated mast cell progenitors to become multi-functional IL-9-producing mucosal mast cells, which then expand greatly after repeated food ingestions. Inflammatory cytokine IL-33 promotes the function and maturation of IL-9-producing mucosal mast cells, which amplify intestinal mastocytosis, resulting in increased clinical reactivity to ingested food allergens. These findings provide the plausible view that the combinatorial signals from atopic status, dietary allergen ingestions, and inflammatory cues may govern the perpetuation of allergic reactions from the skin to the gut and promote susceptibility to life-threatening anaphylaxis. Future in-depth studies of the molecular and cellular factors composing these stepwise pathways may facilitate the discovery of biomarkers and therapeutic targets for diagnosing, preventing, and treating food allergy.
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Affiliation(s)
- Yui-Hsi Wang
- Division of Allergy and Immunology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, 45299-3026, USA
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Aricigil M, Muluk NB, Sakarya EU, Sakalar EG, Senturk M, Reisacher WR, Cingi C. New Routes of Allergen Immunotherapy. Am J Rhinol Allergy 2016; 30:193-197. [DOI: 10.2500/ajra.2016.30.4379] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Objectives Allergen immunotherapy is the only cure for immunoglobulin E mediated type I respiratory allergies. Subcutaneous immunotherapy (SCIT) and sublingual immunotherapy (SLIT) are the most common treatments. In this article, we reviewed new routes of allergen immunotherapy. Methods Data on alternative routes to allow intralymphatic immunotherapy (ILIT), epicutaneous immunotherapy (EPIT), local nasal immunotherapy (LNIT), oral immunotherapy (OIT), and oral mucosal immunotherapy (OMIT) were gathered from the literature and were discussed. Results ILIT features direct injection of allergens into lymph nodes. ILIT may be clinically effective after only a few injections and induces allergen-specific immunoglobulin G, similarly to SCIT. A limitation of ILIT is that intralymphatic injections are required. EPIT features allergen administration by using patches mounted on the skin. EPIT seeks to target epidermal antigen–presenting Langerhans cells rather than mast cells or the vasculature; this should reduce both local and systemic adverse effects. LNIT involves the spraying of allergen extracts into the nasal cavity. Natural or chemically modified allergens (the latter, termed allergoids, lack immunoglobulin E reactivity) are prepared in a soluble form. OIT involves the regular administration of small amounts of a food allergen by mouth and commences with low oral doses, which are then increased as tolerance develops. OMIT seeks to deliver allergenic proteins to an expanded population of Langerhans cells in the mucosa of the oral cavity. Conclusions ILIT, EPIT, LNIT, OIT, and OMIT are new routes for allergen immunotherapy. They are safe and effective.
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Affiliation(s)
- Mitat Aricigil
- ENT Department, Meram Medical Faculty, Necmettin Erbakan University, Konya Turkey
| | - Nuray Bayar Muluk
- Department of Otorhinolaryngology, Medical Faculty, Kirikkale University, Kirikkale, Turkey
| | | | | | - Mehmet Senturk
- ENT Clinics, Konya Training and Research Hospital, Konya, Turkey
| | | | - Cemal Cingi
- Department of Otorhinolaryngology, Medical Faculty, Eskisehir Osmangazi University, Eskisehir, Turkey
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Sindher S, Fleischer DM, Spergel JM. Advances in the Treatment of Food Allergy: Sublingual and Epicutaneous Immunotherapy. Immunol Allergy Clin North Am 2016; 36:39-54. [PMID: 26617226 DOI: 10.1016/j.iac.2015.08.008] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Food allergies continue to increase in prevalence. Standard care is a strict elimination diet, but life-threatening reactions still occur. Allergen immunotherapy has the most potential in treating food allergy. Subcutaneous immunotherapy has not been adopted into food allergy therapy. Oral immunotherapy has a high rate of adverse reactions. Sublingual immunotherapy (SLIT) uses the tolerogenic environment of the oral mucosa and epicutaneous immunotherapy (EPIT) uses the immune cells of the epidermis to transport antigens to afferent lymph nodes to activate immune responses. SLIT and EPIT can successfully desensitize patients. More research is needed to define optimal doses and administration protocols.
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Affiliation(s)
- Sayantani Sindher
- Division of Allergy and Immunology, Department of Pediatrics, The Children's Hospital of Philadelphia, Perelman School of Medicine at University of Pennsylvania, 34th Street and Civic Center Boulevard, Philadelphia, PA 19104-4399, USA
| | - David M Fleischer
- Section of Allergy, Department of Pediatrics, Children's Hospital Colorado, University of Colorado Denver School of Medicine, 13123 East 16th Avenue, B518, Aurora, CO 80045, USA
| | - Jonathan M Spergel
- Division of Allergy and Immunology, Department of Pediatrics, The Children's Hospital of Philadelphia, Perelman School of Medicine at University of Pennsylvania, 34th Street and Civic Center Boulevard, Philadelphia, PA 19104-4399, USA.
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Kim JH, Jeun EJ, Hong CP, Kim SH, Jang MS, Lee EJ, Moon SJ, Yun CH, Im SH, Jeong SG, Park BY, Kim KT, Seoh JY, Kim YK, Oh SJ, Ham JS, Yang BG, Jang MH. Extracellular vesicle–derived protein from Bifidobacterium longum alleviates food allergy through mast cell suppression. J Allergy Clin Immunol 2016; 137:507-516.e8. [DOI: 10.1016/j.jaci.2015.08.016] [Citation(s) in RCA: 91] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2014] [Revised: 08/03/2015] [Accepted: 08/12/2015] [Indexed: 11/29/2022]
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Gonipeta B, Kim E, Gangur V. Mouse models of food allergy: how well do they simulate the human disorder? Crit Rev Food Sci Nutr 2016; 55:437-52. [PMID: 24915373 DOI: 10.1080/10408398.2012.657807] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Food allergy is a growing health problem with serious concerns due to high potential for fatality. Rapid advances in the knowledge on causes and mechanisms as well as in developing effective prevention/therapeutic strategies are needed. To meet these goals, mouse models that simulate the human disorder are highly desirable. During the past decade, several mouse models of food allergies have been reported. Here, we briefly reviewed the human disorder and then critically evaluated these models seeking answers to the following important questions: To what extent do they simulate the human disorder? What are the strengths and limitations of these models? What are the challenges facing this scientific area? Our analysis suggest that: (i) the mouse models, with inherent strengths and limitations, are available for many major food allergies; there is scope for additional model development and validation; (ii) models mostly simulate the severe forms of human disorder with similar immune and clinical features; (iii) the approaches used to develop some of the mouse models may be questionable; and (iv) the specific mechanisms of sensitization as wells as oral elicitation of fatal reactions in both humans and mice remains incompletely understood and therefore warrants further research.
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Affiliation(s)
- Babu Gonipeta
- a Food Allergy and Immunology Laboratory, Department of Food Science and Human Nutrition , Michigan State University , East Lansing , Michigan , USA
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Prevalence of Self-Reported Food Allergy in Lebanon: A Middle-Eastern Taste. INTERNATIONAL SCHOLARLY RESEARCH NOTICES 2015; 2015:639796. [PMID: 27347535 PMCID: PMC4897070 DOI: 10.1155/2015/639796] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/11/2015] [Revised: 11/02/2015] [Accepted: 12/02/2015] [Indexed: 11/18/2022]
Abstract
Background. Food allergy (FA) is an important health problem in Western countries but there is limited data on the prevalence of food allergy in the Middle East. The main objective of our study is to assess the prevalence of self-reported food allergy in Lebanon. Methods. The survey was conducted by Telephone Calls questionnaire through random selection of landline phone numbers from the white pages all over Lebanon. A study questionnaire addressing the main objectives of the study was filled during the telephone call conversation. Results. Food allergy prevalence is estimated to be 4.1% in infants and children and 3.2% in adults. 65% of patients suffering from food allergy are females and 35% are males. Skin reactions are the most common symptoms among food allergy sufferers, reported in 86% of the cases. Signs of anaphylaxis appeared in 10.8% of cases. Fruits were the most common allergens at 35%, followed by eggs (19%) and nuts (16%). Cow's milk and spices ranked fourth (14%). Only half of food allergy sufferers sought medical advice. Allergists, dermatologists, gastroenterologists, or GPs (general practitioners) were consulted. Blood testing for specific IgE was the main diagnostic tool used by physicians. Conclusion. This is a pilot study of self-reported food allergy prevalence in Lebanon based on telephone survey. General prevalence is estimated to be 4.1% in infants and children and 3.2% in adults. Our study may improve awareness for proper diagnosis, food elimination, and acquisition of epinephrine autoinjectors in this part of the world.
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Al-Rabia MW. Food-induced immunoglobulin E-mediated allergic rhinitis. J Microsc Ultrastruct 2015; 4:69-75. [PMID: 30023212 PMCID: PMC6014210 DOI: 10.1016/j.jmau.2015.11.004] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2015] [Accepted: 11/28/2015] [Indexed: 11/27/2022] Open
Abstract
Food allergies are estimated about 1–2% in adults and 8% in children younger than 6 years. Allergic rhinitis is a common disease with a prevalence of 40% among different societies. Although, some foods play a role on exacerbation of allergic rhinitis symptoms, but still there are controversies about the role of diet on incidence or worsening the symptoms. The ongoing research demonstrates a possible relationship between certain foods and their induction of allergic reactions by modulating immunoglobulin E. A total of 100 patients (including both children and adults), between the ages 10 to 60 years, diagnosed with allergic rhinitis were selected for the study. Pregnant females and treated patients with antihistamine were excluded from the study. In vitro serum immunoglobulin E (IgE) levels mediated by a combination of food and inhalant allergens were detected by RIDA® Allergy Screen in blood samples. Data were presented as mean, standard deviation and standard error. A statistical analysis was performed by one-way analysis of variance (ANOVA). A p value < 0.05 was considered statistically significant. We reported that 63% of patients with allergic rhinitis were sensitized to common food allergens whereas the rest 37% of patients were not sensitive to any of the food allergens. Similarly, a correlation between the age groups of patients with allergic rhinitis and food allergy were also accomplished. We found the highest response rate for allergic rhinitis and food allergy (53.2%) for the people between aged between 21 years and 40 years. We also demonstrated that females are more prone to mediate allergic rhinitis as induced by food allergies as compare to males (i.e., 66.2% vs. 33.3%). Food allergy is estimated to be 4.5% in adolescents and adults with asthma, rhinitis or both. Rice, citrus fruits, black grams and banana are identified as major allergens for inducing allergic-rhinitis symptoms.
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Kinney SRM, Carlson L, Ser-Dolansky J, Thompson C, Shah S, Gambrah A, Xing W, Schneider SS, Mathias CB. Curcumin Ingestion Inhibits Mastocytosis and Suppresses Intestinal Anaphylaxis in a Murine Model of Food Allergy. PLoS One 2015; 10:e0132467. [PMID: 26147007 PMCID: PMC4493063 DOI: 10.1371/journal.pone.0132467] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2015] [Accepted: 06/15/2015] [Indexed: 12/31/2022] Open
Abstract
IgE antibodies and mast cells play critical roles in the establishment of allergic responses to food antigens. Curcumin, the active ingredient of the curry spice turmeric, has anti-inflammatory properties, and thus may have the capacity to regulate Th2 cells and mucosal mast cell function during allergic responses. We assessed whether curcumin ingestion during oral allergen exposure can modulate the development of food allergy using a murine model of ovalbumin (OVA)-induced intestinal anaphylaxis. Herein, we demonstrate that frequent ingestion of curcumin during oral OVA exposure inhibits the development of mastocytosis and intestinal anaphylaxis in OVA-challenged allergic mice. Intragastric (i.g.) exposure to OVA in sensitized BALB/c mice induced a robust IgE-mediated response accompanied by enhanced OVA-IgE levels, intestinal mastocytosis, elevated serum mMCP-1, and acute diarrhea. In contrast, mice exposed to oral curcumin throughout the experimental regimen appeared to be normal and did not exhibit intense allergic diarrhea or a significant enhancement of OVA-IgE and intestinal mast cell expansion and activation. Furthermore, allergic diarrhea, mast cell activation and expansion, and Th2 responses were also suppressed in mice exposed to curcumin during the OVA-challenge phase alone, despite the presence of elevated levels of OVA-IgE, suggesting that curcumin may have a direct suppressive effect on intestinal mast cell activation and reverse food allergy symptoms in allergen-sensitized individuals. This was confirmed by observations that curcumin attenuated the expansion of both adoptively transferred bone marrow-derived mast cells (BMMCs), and inhibited their survival and activation during cell culture. Finally, the suppression of intestinal anaphylaxis by curcumin was directly linked with the inhibition of NF-κB activation in curcumin-treated allergic mice, and curcumin inhibited the phosphorylation of the p65 subunit of NF-κB in BMMCs. In summary, our data demonstrates a protective role for curcumin during allergic responses to food antigens, suggesting that frequent ingestion of this spice may modulate the outcome of disease in susceptible individuals.
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Affiliation(s)
- Shannon R. M. Kinney
- Department of Pharmaceutical and Administrative Sciences, College of Pharmacy, Western New England University, Springfield, MA 01119, United States of America
| | - Logan Carlson
- Department of Pharmaceutical and Administrative Sciences, College of Pharmacy, Western New England University, Springfield, MA 01119, United States of America
| | - Jennifer Ser-Dolansky
- Pioneer Valley Life Sciences Institute, Baystate Medical Center, Springfield, MA 01199, United States of America
| | - Chelsea Thompson
- Department of Pharmaceutical and Administrative Sciences, College of Pharmacy, Western New England University, Springfield, MA 01119, United States of America
| | - Sagar Shah
- Department of Pharmaceutical and Administrative Sciences, College of Pharmacy, Western New England University, Springfield, MA 01119, United States of America
| | - Amos Gambrah
- Department of Pharmaceutical and Administrative Sciences, College of Pharmacy, Western New England University, Springfield, MA 01119, United States of America
| | - Wei Xing
- University of Massachusetts Medical School, Worcester, MA 01655, United States of America
| | - Sallie S. Schneider
- Pioneer Valley Life Sciences Institute, Baystate Medical Center, Springfield, MA 01199, United States of America
| | - Clinton B. Mathias
- Department of Pharmaceutical and Administrative Sciences, College of Pharmacy, Western New England University, Springfield, MA 01119, United States of America
- * E-mail:
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Mansueto P, D’Alcamo A, Seidita A, Carroccio A. Food allergy in irritable bowel syndrome: The case of non-celiac wheat sensitivity. World J Gastroenterol 2015; 21:7089-109. [PMID: 26109796 PMCID: PMC4476871 DOI: 10.3748/wjg.v21.i23.7089] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/10/2015] [Revised: 04/04/2015] [Accepted: 05/07/2015] [Indexed: 02/06/2023] Open
Abstract
Irritable bowel syndrome (IBS) is one of the most common gastrointestinal disorders, having a prevalence of 12%-30% in the general population. Most patients with IBS attribute their symptoms to adverse food reactions. We review the role of diet in the pathogenesis of IBS and the importance of dietary factors in the management of these patients. The MEDLINE electronic database (1966 to Jan 2015) was searched using the following keywords: "food", "diet", "food allergy", "food hypersensitivity", "food intolerance", "IBS", "epidemiology", "pathogenesis", "pathophysiology", "diagnosis", "treatment". We found 153 eligible papers; 80 were excluded because: not written in English, exclusive biochemical and experimental research, case reports, reviews, and research otherwise not relevant to our specific interest. We selected 73 papers: 43 original papers, 26 reviews and 4 letters to the editor. These papers focused on IBS pathogenesis, the association between IBS and atopy, and between IBS and food allergy, the relationship between IBS and non-celiac wheat sensitivity, the role of diet in IBS. Pending further scientific evidence, a cautious approach is advisable but the concept of food allergy should be included as a possible cause of IBS, and a dietary approach may have a place in the routine clinical management of IBS.
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41
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Lu XF, Zhang SS. Role of mast cells in irritable bowel syndrome. Shijie Huaren Xiaohua Zazhi 2015; 23:2239-2244. [DOI: 10.11569/wcjd.v23.i14.2239] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Irritable bowel syndrome (IBS) is a common functional gastrointestinal disorder characterized by high prevalence and recurrence rates, which contribute to the patient's poor quality of life and an economic burden to the society and family for substantial costs. Multiple factors (e.g., stress, infection, and food allergy) can induce IBS via the neuro-endocrine-immune system. Abdominal pain, a hallmark symptom of IBS, correlates with visceral hypersensitivity. In recent years, the immune-associated mechanism for IBS has received more and more attention. Mast cells (MCs) are important immune cells in the intestine. The changes in the number, degranulation and interaction of MCs with the nerve play an important role in the development of IBS. This paper reviews the association between mast cells and the onset of IBS.
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Kulis M, Wright BL, Jones SM, Burks AW. Diagnosis, management, and investigational therapies for food allergies. Gastroenterology 2015; 148:1132-42. [PMID: 25633563 PMCID: PMC4793977 DOI: 10.1053/j.gastro.2015.01.034] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/30/2014] [Revised: 01/15/2015] [Accepted: 01/20/2015] [Indexed: 12/14/2022]
Abstract
Food allergies have increased in prevalence over the past 20 years, now becoming an important public health concern. Although there are no therapies currently available for routine clinical care, recent reports have indicated that immunotherapies targeting the mucosal immune system may be effective. Oral immunotherapy is conducted by administering small, increasing amounts of food allergen; it has shown promise for desensitizing individuals with peanut, egg, or milk allergies. Sublingual immunotherapy also desensitizes allergic patients to foods-2 major studies have examined the effects of sublingual immunotherapy in subjects with peanut allergies. We review the complex nature of IgE-mediated food allergies and the therapies being evaluated in clinical trials. We focus on the diagnosis and management of food allergies and investigational therapies.
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Affiliation(s)
- Mike Kulis
- Department of Pediatrics, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina.
| | - Benjamin L. Wright
- Department of Pediatrics, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina,Department of Pediatrics, Duke University Medical Center, Durham, North Carolina
| | - Stacie M. Jones
- Department of Pediatrics, University of Arkansas for Medical Sciences, Arkansas Children's Hospital, Little Rock, Arkansas
| | - A. Wesley Burks
- Department of Pediatrics, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
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43
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Reber LL, Sibilano R, Mukai K, Galli SJ. Potential effector and immunoregulatory functions of mast cells in mucosal immunity. Mucosal Immunol 2015; 8:444-63. [PMID: 25669149 PMCID: PMC4739802 DOI: 10.1038/mi.2014.131] [Citation(s) in RCA: 100] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2014] [Accepted: 11/27/2014] [Indexed: 02/04/2023]
Abstract
Mast cells (MCs) are cells of hematopoietic origin that normally reside in mucosal tissues, often near epithelial cells, glands, smooth muscle cells, and nerves. Best known for their contributions to pathology during IgE-associated disorders such as food allergy, asthma, and anaphylaxis, MCs are also thought to mediate IgE-associated effector functions during certain parasite infections. However, various MC populations also can be activated to express functional programs--such as secreting preformed and/or newly synthesized biologically active products--in response to encounters with products derived from diverse pathogens, other host cells (including leukocytes and structural cells), damaged tissue, or the activation of the complement or coagulation systems, as well as by signals derived from the external environment (including animal toxins, plant products, and physical agents). In this review, we will discuss evidence suggesting that MCs can perform diverse effector and immunoregulatory roles that contribute to homeostasis or pathology in mucosal tissues.
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Affiliation(s)
- Laurent L Reber
- Department of Pathology, Stanford University, School of Medicine, Stanford, California 94305-5324, USA
| | - Riccardo Sibilano
- Department of Pathology, Stanford University, School of Medicine, Stanford, California 94305-5324, USA
| | - Kaori Mukai
- Department of Pathology, Stanford University, School of Medicine, Stanford, California 94305-5324, USA
| | - Stephen J Galli
- Department of Pathology, Stanford University, School of Medicine, Stanford, California 94305-5324, USA,Department of Microbiology & Immunology, Stanford University, School of Medicine, Stanford, California 94305-5324, USA
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44
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Abstract
PURPOSE The increasing incidence of IgE-mediated food allergy has led to further study of this atopic disease. RECENT FINDINGS Food allergy represents a failure to attain oral tolerance marked by a pronounced Th2 versus T-regulatory cell response. The gold standard for the diagnosis of food allergy is a double-blind, placebo-controlled food challenge. Evidence supports breastfeeding to prevent certain atopic diseases but there is no support for delayed food introduction or maternal diet restrictions during pregnancy or lactation. There is no cure for food allergies. The mainstay of therapy is avoidance and management of severe reactions with self-injectable epinephrine. Other promising therapies include oral immunotherapy and sublingual immunotherapy. SUMMARY The mechanism of IgE-mediated food allergy is better understood but further research is needed to prevent and treat food allergies.
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45
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Abstract
PURPOSE OF REVIEW Food allergy is often an unrecognized clinical entity that has been implicated as a cause in many types of chronic inflammatory conditions. This review serves to provide an update on how food allergy plays a role in otolaryngology disorders. RECENT FINDINGS The incidence of food allergy has been on the rise over the last decade. Currently, about 6% of children and 3-4% of adults are thought to be affected by food allergy. The middle and inner ear are immunologically responsive and this includes responsiveness to food hypersenstivities. Both chronic otitis media with effusion and Meniere's disease can improve with treatment of food allergies. Some evidence supports a link between rhinitis and nasal polyps and food allergies. Finally, there is increasing literature about eosinophilic esophagitis, which is a relatively newly recognized disease with many otolaryngologic associations. Many of these patients may have food allergy, and treatment of their food allergy may be effective in treating the disease. SUMMARY In chronic inflammatory disorders of the head and neck, especially those involving the upper aerodigestive tract, food allergy must be considered in the differential. Patients with food allergy often do not respond to conventional treatments, and it can often be a challenge to arrive at the proper diagnosis. Further research is warranted to improve our understanding of the role of food allergy in otolaryngology disorders, as well as our diagnostic and treatment methods.
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Costa J, Mafra I, Carrapatoso I, Oliveira MBPP. Hazelnut Allergens: Molecular Characterization, Detection, and Clinical Relevance. Crit Rev Food Sci Nutr 2015; 56:2579-2605. [DOI: 10.1080/10408398.2013.826173] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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Kasera R, Singh A, Lavasa S, Prasad KN, Arora N. Enzymatic hydrolysis: A method in alleviating legume allergenicity. Food Chem Toxicol 2015; 76:54-60. [DOI: 10.1016/j.fct.2014.11.023] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2014] [Revised: 11/10/2014] [Accepted: 11/26/2014] [Indexed: 10/24/2022]
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Monaci L, Pilolli R, De Angelis E, Mamone G. Mass Spectrometry in Food Allergen Research. ADVANCED MASS SPECTROMETRY FOR FOOD SAFETY AND QUALITY 2015. [DOI: 10.1016/b978-0-444-63340-8.00007-8] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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Bartnikas LM, Phipatanakul W. How mothers and fathers perceive childhood food allergies: comparing apples to oranges? Ann Allergy Asthma Immunol 2014; 114:77-8. [PMID: 25524744 DOI: 10.1016/j.anai.2014.11.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2014] [Accepted: 11/11/2014] [Indexed: 11/28/2022]
Affiliation(s)
- Lisa M Bartnikas
- Boston Children's Hospital, Boston, Massachusetts; Harvard Medical School, Boston, Massachusetts
| | - Wanda Phipatanakul
- Boston Children's Hospital, Boston, Massachusetts; Harvard Medical School, Boston, Massachusetts.
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Costa J, Carrapatoso I, Oliveira MBPP, Mafra I. Walnut allergens: molecular characterization, detection and clinical relevance. Clin Exp Allergy 2014; 44:319-41. [PMID: 24382327 DOI: 10.1111/cea.12267] [Citation(s) in RCA: 54] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Food-induced allergies have been regarded as an emergent problem of public health. Classified as important allergenic ingredients, the presence of walnut and other nuts as hidden allergens in processed foods constitutes a risk for sensitized individuals, being a real problem of allergen management. Attending to the increasing importance dedicated to walnut allergy, this review intends to provide the relevant and up-to-date information on main issues such as the prevalence of walnut allergy, the clinical threshold levels, the molecular characterization of walnut allergens and their clinical relevance, as well as the methodologies for walnut allergen detection in foods. As the walnut used in human diet comes from Juglans regia and Juglans nigra, the molecular characterization of the allergens from both species included in the prolamins (Jug r 1, Jug n 1 and Jug r 3), cupins (Jug r 2, Jug n 2 and Jug r 4) and profilins (Jug r 5), together with respective clinical relevance, were compiled in this review. The most recent progresses on walnut allergen detection techniques (protein- and DNA-based) are described and critically compared, including the emergent multitarget approaches.
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Affiliation(s)
- J Costa
- REQUIMTE, Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, Porto, Portugal
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