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1. Tolerance induction through early feeding to prevent food allergy in infants and children with sensitization against food allergens (TIFFANI): rationale, study design, and methods of a randomized controlled trial

Author

Birgit Kalb, Lara Meixner, Stephanie Heller, Sabine Dölle-Bierke, Stephanie Roll, Tatjana Tissen-Diabaté, Susanne Lau, Sofia Forslund, Ingo Marenholz, Young-Ae Lee, Andreas Thiel, Magda Babina, Jörg Scheffel, Margitta Worm, and Kirsten Beyer

Subjects
Food allergy, Sensitization, Eczema, Prevention, Early allergen introduction, Window of opportunity, Medicine (General), R5-920
Abstract

Abstract Background Children with sensitization against foods have to be orally food-challenged before eating these foods for the first time. However, the waiting time for an oral food challenge (OFC) in Germany is about 3–6 months. In contrast, there are hints that an early introduction of allergenic foods might be protective regarding the development of food allergy. The aim of this clinical trial is therefore to investigate, whether an introduction and regular consumption of small amounts of food allergens is safe and will result in an increase of tolerance in children with sensitization against food allergens with unknown clinical relevance. Methods In this randomized, placebo-controlled, double-blind, single-center trial, 138 children (8 months to 4 years of age) sensitized to the target allergen(s) hen’s egg, cow’s milk, peanuts, and/or hazelnuts with unknown clinical relevance will be randomized in a 1:1 ratio to either an active or a placebo group, daily receiving a rusk-like biscuit powder with or without the target allergen(s) for 3–6 months until an OFC will be performed in routine diagnostics. The primary endpoint is an IgE-mediated food allergy to the primary target allergen, after the interventional period. Discussion Children with sensitization against food allergens with unknown clinical relevance often have to avoid the corresponding foods for several months until an OFC is performed. Therefore, the “window of opportunity” for an early preventive introduction of allergenic foods might be missed. This trial will assess whether an introduction of small allergen amounts will favor tolerance development in these children. Trial registration German Clinical Trials Register DRKS00032769. Registered on 02 October 2023.

Published
2024
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2. Tolerance induction through early feeding to prevent food allergy in infants with eczema (TEFFA): rationale, study design, and methods of a randomized controlled trial

Author

Birgit Kalb, Lara Meixner, Valérie Trendelenburg, Nathalie Unterleider, Josefine Dobbertin-Welsch, Stephanie Heller, Sabine Dölle-Bierke, Stephanie Roll, Susanne Lau, Young-Ae Lee, Florent Fauchère, Julian Braun, Magda Babina, Sabine Altrichter, Till Birkner, Margitta Worm, and Kirsten Beyer

Subjects
Protocol, Randomized controlled trial, Food allergy, Eczema, Atopic dermatitis, Prevention, Medicine (General), R5-920
Abstract

Abstract Background Up to 8% of all children in industrialized countries suffer from food allergies, whereas children with atopic eczema are affected considerably more frequently. In addition, the type and starting time of weaning foods seem to influence the development of food allergies. However, data from interventional studies on weaning are controversial. The aim of this randomized-controlled clinical trial is to investigate, whether an early introduction of hen's egg (HE), cow’s milk (CM), peanut (PN), and hazelnut (HN) in children with atopic eczema can reduce the risk for developing food allergies in the first year of life. Methods This is a protocol for a randomized, placebo controlled, double blind, single-center clinical trial. One hundred fifty infants with atopic eczema at 4–8 months of age will be randomized in a 2:1 manner into an active group that will receive rusk-like biscuit powder with HE, CM, PN, and HN (initially approximately 2 mg of each food protein) for 6–8 months or a placebo group, whose participants will receive the same rusk-like biscuit powder without HE, CM, PN, and HN on a daily basis. During the interventional period, the amount of allergens in the study product will be increased three times, each after 6 weeks. All study participants who are sensitized to HE, CM, PN, or HN at the end of the interventional period will undergo an oral food challenge to the respective food in a further visit. Primary endpoint is IgE-mediated food allergy to at least one of the four foods (HE, CM, PN or HN) after 6–8 months of intervention (i.e., at around 1 year of age). Secondary endpoints include multiple food allergies, severity of eczema, wheezing, and sensitization levels against food allergens. Discussion This clinical trial will assess whether an early introduction of allergenic foods into the diet of children with atopic eczema can prevent the development of food allergies. This trial will contribute to update food allergy prevention guidelines. Trial registration German Clinical Trials Register DRKS00016770 . Registered on 09 January 2020.

Published
2022
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3. Tolerance induction through non-avoidance to prevent persistent food allergy (TINA) in children and adults with peanut or tree nut allergy: rationale, study design and methods of a randomized controlled trial and observational cohort study

Author

Valérie Trendelenburg, Sabine Dölle-Bierke, Nathalie Unterleider, Aikaterina Alexiou, Birgit Kalb, Lara Meixner, Stephanie Heller, Susanne Lau, Young- Ae Lee, Florent Fauchère, Julian Braun, Magda Babina, Sabine Altrichter, Till Birkner, Stephanie Roll, Josefine Dobbertin-Welsch, Margitta Worm, and Kirsten Beyer

Subjects
Protocol, Randomized controlled trial, Peanut allergy, Tree nut allergy, Elimination diet, Higher threshold, Medicine (General), R5-920
Abstract

Abstract Background Peanuts (PN) and tree nuts (TN) are among the most frequent elicitors of food allergy and can lead to life-threatening reactions. The current advice for allergic patients is to strictly avoid the offending food independently of their individual threshold level, whereas sensitized patients without allergic symptoms should frequently consume the food to avoid (re-)development of food allergy. The aim of this trial is to investigate (I) whether the consumption of low allergen amounts below the individual threshold may support natural tolerance development and (II) to what extent regular allergen consumption in sensitized but tolerant subjects prevents the (re-)development of PN or TN allergy. Methods The TINA trial consisting of (part I) a randomized, controlled, open, parallel group, single-center, superiority trial (RCT), and (part II) a prospective observational exploratory cohort study. Children and adults (age 1–67 years) with suspected or known primary PN and/or TN allergy will undergo an oral food challenge (OFC) to determine their clinical reactivity and individual threshold. In the RCT, 120 PN or TN allergic patients who tolerate ≥100 mg of food protein will be randomized (1:1 ratio) to consumption of products with low amounts of PN or TN on a regular basis or strict avoidance for 1 year. The consumption group will start with 1/100 of their individual threshold, increasing the protein amount to 1/50 and 1/10 after 4 and 8 months, respectively. The primary endpoint is the clinical tolerance to PN or TN after 1 year assessed by OFC. In the cohort study, 120 subjects sensitized to PN and/or TN but tolerant are advised to regularly consume the food and observed for 1 year. The primary endpoint is the maintenance of clinical tolerance to PN and/or TN after 1 year assessed by challenging with the former tolerated cumulative dose. Discussion This clinical trial will help to determine the impact of allergen consumption versus avoidance on natural tolerance development and whether the current dietary advice for PN or TN allergic patients with higher threshold levels is still valid. Trial registration German Clinical Trials Register; ID: DRKS00016764 (RCT), DRKS00020467 (cohort study). Registered on 15 January 2020, http://www.drks.de .

Published
2022
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4. An interdisciplinary approach to characterize peanut‐allergic patients—First data from the FOOD@ consortium

Author

Margitta Worm, Aikaterina Alexiou, Veronika Höfer, Till Birkner, Alexander C. S. N. Jeanrenaud, Florent Fauchère, Kristijan Pazur, Carolin Steinert, Aleix Arnau‐Soler, Priyanka Banerjee, Andreas Diefenbach, Josefine Dobbertin‐Welsch, Sabine Dölle‐Bierke, Wojciech Francuzik, Ahla Ghauri, Stephanie Heller, Birgit Kalb, Ulrike Löber, Ingo Marenholz, Lajos Markó, Jörg Scheffel, Olena Potapenko, Stephanie Roll, Susanne Lau, Young‐Ae Lee, Julian Braun, Andreas Thiel, Magda Babina, Sabine Altrichter, Sofia Kirke Forslund, and Kirsten Beyer

Subjects
biomarker, epigenetics, food allergy, microbiome, peanut allergy, Immunologic diseases. Allergy, RC581-607
Abstract

Background Peanut allergy is a frequent cause of food allergy and potentially life‐threatening. Within this interdisciplinary research approach, we aim to unravel the complex mechanisms of peanut allergy. As a first step were applied in an exploratory manner the analysis of peanut allergic versus non‐allergic controls. Methods Biosamples were studied regarding DNA methylation signatures, gut microbiome, adaptive and innate immune cell populations, soluble signaling molecules and allergen‐reactive antibody specificities. We applied a scalable systems medicine computational workflow to the assembled data. Results We identified combined cellular and soluble biomarker signatures that stratify donors into peanut‐allergic and non‐allergic with high specificity. DNA methylation profiling revealed various genes of interest and stool microbiota differences in bacteria abundances. Conclusion By extending our findings to a larger set of patients (e.g., children vs. adults), we will establish predictors for food allergy and tolerance and translate these as for example, indicators for interventional studies.

Published
2022
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5. Genome-wide association study identifies the SERPINB gene cluster as a susceptibility locus for food allergy

Author

Ingo Marenholz, Sarah Grosche, Birgit Kalb, Franz Rüschendorf, Katharina Blümchen, Rupert Schlags, Neda Harandi, Mareike Price, Gesine Hansen, Jürgen Seidenberg, Holger Röblitz, Songül Yürek, Sebastian Tschirner, Xiumei Hong, Xiaobin Wang, Georg Homuth, Carsten O. Schmidt, Markus M. Nöthen, Norbert Hübner, Bodo Niggemann, Kirsten Beyer, and Young-Ae Lee

Subjects
Science
Abstract

Food allergy is an increasing public health problem. In a genome-wide scan of children diagnosed by oral food challenge, Marenholz et al. find new genetic associations underlying food allergy, implicating the immune system and the epithelial barrier.

Published
2017
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6. Abstracts from the Food Allergy and Anaphylaxis Meeting 2016

Author

Guillaume Pouessel, Claire Claverie, Julien Labreuche, Jean-Marie Renaudin, Aimée Dorkenoo, Mireille Eb, Anne Moneret-Vautrin, Antoine Deschildre, Stephane Leteurtre, Linus Grabenhenrich, Margitta Worm, Sabine Dölle, Kathrin Scherer, Isidor Hutteger, Morten Christensen, Carsten Bindslev-Jensen, Charlotte Mortz, Esben Eller, Henrik Fomsgaard Kjaer, Leonor Carneiro-Leão, Jenny Badas, Alice Coimbra, Dikla Pivko Levy, Moshe Ben-Shoshan, Ayelet Rimon, Shira Benor, Nicolette J. T. Arends, Nikki Edelbroek, Hans de Groot, Joyce A. M. Emons, H. Kim A. Brand, Dirk Verhoeven, Leonieke N. van Veen, Nicolette W. de Jong, Geunwoong Noh, Eun Ha Jang, Mariona Pascal, Olga Dominguez, Mònica Piquer, Montserrat Alvaro, Rosa Jimenez-Feijoo, Jaime Lozano, Adriana Machinena, Maria del Mar Folqué, Maria Teresa Giner, Ana María Plaza, Paul Turner, Nandinee Patel, Marta Vazquez-Ortiz, Sarah Lindsley, Lucy Walker, Simon Rosenberg, Adriano Mari, Claudia Alessandri, Ivana Giangrieco, Lisa Tuppo, Chiara Rafaiani, Georg Mitterer, Michela Ciancamerla, Rosetta Ferrara, Maria Livia Bernardi, Danila Zennaro, Maurizio Tamburrini, Maria Antonetta Ciardiello, Christian Harwanegg, Antonio Fernandez, Regina Selb, Philippe Egenmann, Michelle Epstein, Karin Hoffmann-Sommergruber, Frits Koning, Martinus Lovik, E. N. Clare Mills, Javier Moreno, Henk van Loveren, Jean-Michel Wal, Susanne Diesner, Cornelia Bergmayr, Barbara Pfitzner, Vera Elisabeth Assmann, Philipp Starkl, David Endesfelder, Thomas Eiwegger, Zsolt Szepfalusi, Heinz Fehrenbach, Erika Jensen-Jarolim, Anton Hartmann, Isabella Pali-Schöll, Eva Untersmayr, Soren Wille, Peter Meyer, Caroline Klingebiel, Jonas Lidholm, Angelica Ehrenberg, Jonas Östling, Isabelle Cleach, Jean-Louis Mège, Joana Vitte, Roberta Aina, Pawel Dubiela, Sabine Pfeifer, Merima Bublin, Christian Radauer, Piotr Humeniuk, Stefan Kabasser, Riccardo Asero, Gador Bogas, Francisca Gomez, Paloma Campo, Maria Salas, Inmaculada Doña, Esther Barrionuevo, Maria Auxiliadora Guerrero, Cristobalina Mayorga, Ana Prieto, Domingo Barber, Maria Jose Torres, Annette Jamin, Andrea Wangorsch, Barbara Ballmer, Stefan Vieths, Stephan Scheurer, Danijela Apostolovic, Jelena Mihailovic, Maja Krstic, Maria Starkhammar, Tanja Cirkovic Velickovic, Carl Hamsten, Marianne van Hage, Francine C. van Erp, Edward F. Knol, Hannah M. Kansen, Bo Pontoppidan, Yolanda Meijer, Cornelis K. van der Ent, André C. Knulst, Rebekah Sayers, Helen Brown, Adnan Custovic, Angela Simpson, Claire Mills, Juliane Schulz, Network for Online Registration of Anaphylaxis (NORA), Jaap Akkerdaas, Muriel Totis, Annabelle Capt, Corinne Herouet-Guicheney, Ronald van Ree, Tushar Banerjee, Antima Banerjee, Mathilde Claude, Grégory Bouchaud, Roberta Lupi, Laure Castan, Olivier Tranquet, Sandra Denery-Papini, Marie Bodinier, Chantal Brossard, Rosella De Poi, Elisa Gritti, Emiliano De Dominicis, Bert Popping, Patrizia Polverino de Laureto, Kati Palosuo, Anna Kaarina Kukkonen, Anna Pelkonen, Mika Mäkelä, Nanju Alice Lee, Johanna Rost, Sridevi Muralidharan, Dianne Campbell, Sam Mehr, Catherine Nock, Joseph Baumert, Steve Taylor, Carla Mastrorilli, Salvatore Tripodi, Carlo Caffarelli, Serena Perna, Andrea Di Rienzo Businco, Ifigenia Sfika, Arianna Dondi, Annamaria Bianchi, Carlotta Povesi Dascola, Giampaolo Ricci, Francesca Cipriani, Nunzia Maiello, Michele Miraglia del Giudice, Tullio Frediani, Simone Frediani, Francesco Macrì, Chiara Pistoletti, Iride Dello Iacono, Maria Francesca Patria, Elena Varin, Diego Peroni, Pasquale Comberiati, Loredana Chini, Viviana Moschese, Sandra Lucarelli, Roberto Bernardini, Giuseppe Pingitore, Umberto Pelosi, Roberta Olcese, Matteo Moretti, Anastasia Cirisano, Diego Faggian, Alessandro Travaglini, Mario Plebani, Maria Carmen Verga, Mauro Calvani, Paolo Giordani, Paolo Maria Matricardi, Noe Ontiveros, Francisco Cabrera-Chavez, Julie Galand, Etienne Beaudouin, The Anaphylaxis Working Group of the French Allergology SocietyThe Anaphylaxis Working Group of the French Allergology Society, Florence Pineau, Shinobu Sakai, Kayoko Matsunaga, Reiko Teshima, Colette Larré, Sandra Denery, Sebastian Tschirner, Valérie Trendelenburg, Gabriele Schulz, Bodo Niggemann, Kirsten Beyer, Youcef Bouferkas, Younes Belabbas, Djamel Saidi, Omar Kheroua, Kamel Eddine El Mecherfi, Malika Guendouz, Abir Haddi, Hanane Kaddouri, Luis Amaral, Ana Pereira, Susana Rodrigues, Mareen Datema, Laurian Jongejan, Michael Clausen, Andre Knulst, Nikolaos Papadopoulos, Marek Kowalski, Frédéric de Blay, Aeilko Zwinderman, Karin Hoffman-Sommergruber, Barbara Ballmer-Weber, Montserrat Fernandez-Rivas, Shan Deng, Jia Yin, Charlotte Eisenmann, Maria Nassiri, Rabea Reinert, Johanna P. M. van der Valk, Roy Gerth van Wijk, Yvonne Vergouwe, Ewout W. Steyerberg, Marit Reitsma, Harry J. Wichers, Huub F. J. Savelkoul, Berber Vlieg-Boerstra, Anthony E. J. Dubois, Fabrícia Carolino, Ana Rodolfo, Josefina Cernadas, Dasha Roa-Medellín, Ana Rodriguez-Fernandez, Joaquín Navarro, Vicente Albendiz, María Luisa Baeza, Sonsoles Intente-Herrero, Andrea Mikkelsen, Kirsten Mehlig, Lauren Lissner, Linda Verrill, Stefano Luccioli, Jolanda van Bilsen, Frieke Kuper, André Wolterbeek, Tanja Rouhani Rankouhi, Lars Verschuren, Hilde Cnossen, Prescilla Jeurink, Johan Garssen, Léon Knippels, Jossie Garthoff, Geert Houben, Winfried Leeman, M. Eleonore Pettersson, Afke M. M. Schins, Gerard H. Koppelman, Boudewjin J. Kollen, Svitlana Zubchenko, Sarah Kuntz, Pablo Mérida, Montserrat Álvaro, Monica Piquer, Carmen Riggioni, Juan Heber Castellanos, Rosa Jimenez, Melanie Cap, Elodie Drumez, Stéphanie Lejeune, Caroline Thumerelle, Clémence Mordacq, Véronique Nève, Sonia Ricò, Margherita Varini, Rita Nocerino, Linda Cosenza, Antonio Amoroso, Margherita Di Costanzo, Carmen Di Scala, Giorgio Bedogni, Roberto Berni Canani, Paul J. Turner, Paloma Poza-Guedes, Ruperto González-Pérez, Inmaculada Sánchez-Machín, Victor Matheu-Delgado, Erik Wambre, Anne-Sofie Ballegaard, Charlotte Madsen, Juliane Gregersen, Katrine Lindholm Bøgh, Philippe Aubert, Michel Neunlist, Antoine Magnan, Daniel Lozano-Ojalvo, Alba Pablos-Tanarro, Leticia Pérez-Rodríguez, Elena Molina, Rosina López-Fandiño, Akila Rekima, Patricia Macchiaverni, Mathilde Turfkruyer, Sebastien Holvoet, Lénaïck Dupuis, Nour Baiz, Isabella Annesi-Maesano, Annick Mercenier, Sophie Nutten, Valérie Verhasselt, Ines Mrakovcic-Sutic, Srdan Banac, Ivana Sutic, Zdenka Baricev-Novakovic, Ingrid Sutic, Valentino Pavisic, Rosa Muñoz-Cano, Teodoríkez Jiménez-Rodríguez, Daniel Corbacho, Jordi Roca-Ferrer, Joan Bartra, Aleksandar Bulog, Vladimir Micovic, Lidia Markiewicz, Agata Szymkiewicz, Anna Szyc, Barbara Wróblewska, Bryan M. Harvey, Lucien F. Harthoorn, A. Wesley Burks, Georgios Rentzos, Anna-Lena Bramstång Björk, Ulf Bengtsson, Colin Barber, Chrystyna Kalicinsky, Christine Breynaert, Lieve Coorevits, Cornelia Jansen, Erna Van Hoeyveld, Kristin Verbeke, Anne-Marie Kochuyt, Rik Schrijvers, Diana Deleanu, Adriana Muntean, Maria Konstantakopoulou, Maria Pasioti, Anastasia Papadopoulou, Anna Iliopoulou, Nikolaos Mikos, Evangelia Kompoti, Eunice Dias de Castro, Borja Bartalomé, Kok Loong Ue, Elizabeth Griffiths, Stephen Till, Kate Grimshaw, Graham Roberts, Anna Selby, Indre Butiene, Jose Ignacio Larco, Ruta Dubakiene, Ana Fiandor, Alessandro Fiocchi, Nikos Papadopoulos, Sigurveig Sigurdardottir, Aline Sprikkelman, Anne-Fleur Schoemaker, Paraskevi Xepapadaki, Thomas Keil, Zizi Cojocariu, Beatriz Secades Barbado, Vasti Iancu, Esozia Arroabarren, Marta Goñi Esarte, Miren Arteaga, Mayra Coutinho Andrade, Denise Borges, Jorge Kalil, Pedro Giavina Bianchi, Rosana Camara Agondi, Rinkesh Kumar Gupta, Akanksha Sharma, Kriti Gupta, Mukul Das, Premendra Dwivedi, Rusudan Karseladze, Liana Jorjoliani, Lali Saginadze, Mariam Tskhakaia, Katia Basello, Gabriele Piuri, Attilio Francesco Speciani, Michela Carola Speciani, Carla Camerotto, Francesco Zinno, Olga Pakholchuk, Svitlana Nedelska, Stefano Pattini, Maria Teresa Costantino, Silvia Peveri, Danilo Villalta, Eleonora Savi, Andrea Costanzi, Vera A. Revyakina, Marina A. Kiseleva, Elena D. Kuvshinova, Inna A. Larkova, Anton A. Shekhetov, Diana Silva, André Moreira, José Plácido, Hanneke van der Kleij, Esther van Twuijver, Robbert Sutorius, Pieter-Jan de Kam, Jenny van Odijk, Helen Lindqvist, Elin Lustig, Amyra Ali Azamar Jácome, Karla Leversia Borjas Aguilar, Miguel García Domínguez, David Alejandro Mendoza Hernández, Cristiano Caruso, Cono Casale, Gian Lodovico Rapaccini, Antonino Romano, Italo De Vitis, Renata R. Cocco, Carolina Aranda, Marcia C. Mallozi, Jackeline F. Motta, Lilian Moraes, Antonio Pastorino, Nelson Rosario, Ekaterini Goudouris, Arnaldo Porto, Neusa F. Wandalsen, Emanuel Sarinho, Flavio Sano, Dirceu Solé, Constantinos Pitsios, Maria Petrodimopoulou, Ekaterini Papadopoulou, Maria Passioti, Meropi Kontogianni, Nino Adamia, Ekaterina Khaleva, Ana Prieto del Prado, George Du Toit, Edyta Krzych, Urszula Samolinska-Zawisza, Konrad Furmanczyk, Aneta Tomaszewska, Filip Raciborski, Agnieszka Lipiec, Piotr Samel-Kowalik, Artur Walkiewicz, Jacek Borowicz, Boleslaw Samolinski, Aimee Lou Nano, Marysia Recto, Maria Luisa Somoza, Natalia Blanca López, Diana Pérez Alzate, Francisco Javier Ruano, Maria Isabel Garcimartín, Elisa Haroun, Maria Vázquez de la Torre, Antonia Rojas, Montserrat López Onieva, Gabriela Canto, Alexandra Rodrigues, Andreia Forno, António Jorge Cabral, Rute Gonçalves, Ilya Vorozhko, Tatyana Sentsova, Olga Chernyak, Svetlana Denisova, Lidia Ilènko, Valery Muhortnich, Caroline Zimmermann, Alexander Rohrbach, Faisal R. Bakhsh, Kollen Boudewijn, Anne-Marie Oomkes-Pilon, Dorien Van Ginkle, Mira Šilar, Anja Jeverica, Tina Vesel, Tadej Avčin, Peter Korošec, Johanna van der Valk, Irene Berends, Nicolette Arends, Maurits van Maaren, Harry Wichers, Joyce Emons, Anthony Dubois, Nicolette de Jong, Oksana Matsyura, Lesya Besh, Chung-Hsiung Huang, Tong-Rong Jan, Gary Stiefel, Jean Tratt, Kerrie Kirk, Fabricia Carolino, Stefania Arasi, Lucia Caminiti, Giuseppe Crisafulli, Chiara Fiamingo, Jlenia Fresta, Giovanni Pajno, Ben Remington, Astrid Kruizinga, W. Marty Blom, Joost Westerhout, Sabina Bijlsma, Joe Baumert, Mark Blankestijn, Henny Otten, Rob Klemans, Anouska D. Michelsen-Huisman, Harmieke van Os-Medendorp, Astrid G. Kruizinga, Astrid Versluis, Gert van Duijn, H. Mary-Lene de Zeeuw-Brouwer, Jacqueline J. M. Castenmiller, Hub P. J. M. Noteborn, Geert F. Houben, Kristian Bravin, David Luyt, Bushra Javed, Phil Couch, Christopher Munro, Phil Padfield, Matt Sperrin, Aideen Byrne, Lizalet Oosthuizen, Carina Kelleher, Fiona Ward, Niamh Brosnan, Graham King, Eva Corbet, Josué Alejandro Huertas Guzmán, Montserrat Bosque García, Oscar Asensio, Laura Valdesoiro Navarrete, Helena Larramona, Xavier Domingo Miró, Katarzyna Pyrz, Moira Austin, Yanne Boloh, Philip Couch, Deirdre Galloway, Pilar Hernandez, Jonathan O’B. Hourihane, Fiona Kenna, Barbara Majkowska-Wojciechowska, Lynne Regent, Marina Themisb, Sabine Schnadt, Aida Semic-Jusufagic, Audrey Dunn Galvin, Tiina Kauppila, Mikael Kuitunen, Nikolaos A. Kitsioulis, Nikolaos Douladiris, Sofia Kostoudi, Ioanna Manolaraki, Dimitris Mitsias, Emmanouil Manousakis, Nikolaos G. Papadopoulos, Rebecca Knibb, Jennifer Hammond, Richard Cooke, Jaakko Yrjänä, Anna-Maija Hanni, Päivi Vähäsarja, Oona Mustonen, Teija Dunder, Petri Kulmala, Eva Lasa, Carmen D’Amelio, Sara Martínez, Alejandro Joral, Gabriel Gastaminza, Maria Jose Goikoetxea, David C. A. Candy, Marleen T. J. Van Ampting, Manon M. Oude Nijhuis, Assad M. Butt, Diego G. Peroni, Adam T. Fox, Jan Knol, Louise J. Michaelis, Ines Padua, Patricia Padrao, Pedro Moreira, Renata Barros, Hanan Sharif, Manzoor Ahmed, Nehad Gomaa, Joris Mens, Koen Smit, Frans Timmermans, Tomaž Poredoš, Anja Koren Jeverica, Marjeta Sedmak, Evgen Benedik, Meta Accetto, Mirjana Zupančič, Glauce Yonamine, Gustavo Soldateli, Bruna Aquilante, Antonio Carlos Pastorino, Cleonir Lui de Moraes Beck, Andrea Keiko Gushken, Mayra de Barros Dorna, Cristiane Nunes dos Santos, Ana Paula Moschione Castro, Abdulhadi Al-Qahtani, Rand Arnaout, Agha Rehan Khaliq, Rashid Amin, Farrukh Sheikh, Jorge Alvarez, Marta Anda, Miriam Palacios, Montserrat De Prada, Carmen Ponce, Bianca Balbino, Riccardo Sibilano, Thomas Marichal, Nicolas Gaudenzio, Hajime Karasuyama, Pierre Bruhns, Mindy Tsai, Laurent L. Reber, Stephen J. Galli, Ana Reis Ferreira, Josefina R. Cernadas, Aida del Campo García, Sara Pereiro Fernández, Nerea Sarmiento Carrera, Fernando Bandrés Sánchez-Cruz, José Ramón Fernández Lorenzo, Stephanie Claus, Claudia Pföhler, Franziska Ruëff, Regina Treudler, Mercedes Escarrer Jaume, Agustin Madroñero, Maria Teresa Guerra Perez, Juan Carlos Julia, Charlotte Hands Plovdiv, Lee Gethings, Jim Langridge, Karine Adel-Patient, Hervé Bernard, Ivona Barcievic-Jones, Raditsa Sokolova, Rumyana Yankova, Mariya Ivanovska, Marianna Murdjeva, Tatyana Popova, Svetlan Dermendzhiev, Martin Karjalainen, Ulrike Lehnigk, Duncan Brown, Julie C. Locklear, Julie Locklear, Ioana Maris, Jonathan Hourihane, Cristina Ornelas, Joana Caiado, Manuel Branco Ferreira, Manuel Pereira-Barbosa, Yolanda Puente, Juan Carlos Daza, Francisco Javier Monteseirin, Natalia Ukleja-Sokolowska, Ewa Gawronska-Ukleja, Magdalena Zbikowska-Gotz, Zbigniew Bartuzi, Lukasz Sokolowski, Aine Adams, Bernard Mahon, Karen English, Nelly Gourdon-Dubois, Laetitia Sellam, Bruno Pereira, Elodie Michaud, Khaled Messaoudi, Bertrand Evrard, Jean-Luc Fauquert, Francisca Palomares, Gador Gomez, Maria Jose Rodriguez, Luisa Galindo, Ana Molina, Lorella Paparo, Maurizio Mennini, Rosita Aitoro, Adam Wawrzeńczyk, Michał Przybyszewski, Anna Wawrzeńczyk, Hulya Ercan Sarıcoban, Meltem Ugras, Zerrin Yalvac, Bertine M. J. Flokstra-de Blok, J. L. van der Velde, Andrea Vereda, Clara Ippolito, Amaranta Traversa, Daniela Adriano, Daniela Manila Bianchi, Silvia Gallina, Lucia Decastelli, Melina Makatsori, Anne Miles, Sonja Posega Devetak, Iztok Devetak, Soraya Ainad Tabet, Jeanette Fisker Trandbohus, Pernille Winther, Hans-Jørgen Malling, Kirsten Skamstrup Hansen, Lene Heise Garvey, Chia-Chi Wang, Yin-Hua Cheng, Chun-Wei Tung, Mariola Dietrich, Ingo Marenholz, Birgit Kalb, Sarah Grosche, Katharina Blümchen, Rupert Schlags, Mareike Price, Sylke Rietz, Jorge Esparza-Gordillo, Susanne Lau, Young-Ae Lee, Ali Almontasheri, Mohammad Al Bahkali, Sahar Elshorbagi, Abdullah Alfhaid, Mashary Altamimi, Eman Madbouly, Hassan Al-Dhekri, Rand K. Arnaout, Maria Basagaña, Sira Miquel, Borja Bartolomé, Bettina Brix, Stefanie Rohwer, Sandra Brandhoff, Alena Berger, Waltraud Suer, Alf Weimann, Cristina Bueno, Laura Martín-Pedraza, Sara Abián, Pablo San Segundo-Acosta, Juan Carlos López-Rodríguez, Rodrigo Barderas, Eva Batanero, Javier Cuesta-Herranz, María Teresa Villalba, Magna Correia, Filipe Benito-Garcia, Cristina Arêde, Susana Piedade, Mário Morais-Almeida, James Hindley, Ross Yarham, Anna Kuklinska-Pijanka, David Gillick, Karine Patient, Martin D. Chapman, Katrine L. Bøgh, Ana Miranda, Eugénia Matos, Anna Sokolova, Huan Rao, Ivona Baricevic-Jones, Frances Smith, Wentong Xue, Helga Magnusdottir, Anna G. Vidarsdottir, Sigrun Lund, Anders Blom Jensen, Bjorn R. Ludviksson, Reyna Simon, Robert Elfont, Sean Bennett, Robert Voyksner, Maria de Lurdes Torre, Songül Yürek, Margaretha A. Faber, Annick Bastiaensen, Evelyne Mangodt, Athina van Gasse, Ine Decuyper, Vito Sabato, Margo M. Hagendorens, Chris H. Bridts, Luc S. De Clerck, Didier Ebo, Susanne Schwarz, Mandy Ziegert, Saskia Albroscheit, Christian Schwager, Skadi Kull, Jochen Behrends, Niels Röckendorf, Frauke Schocker, Andreas Frey, Arne Homann, Wolf-Meinhard Becker, Uta Jappe, Nesrine Zaabat, Sylvia Osscini, Chantal Agabriel, Benoît Sterling, Ania Carsin, Valérie Liabeuf, Monica Maćków, Alina Zbróg, Monica Bronkowska, Justine Courtois, Romy Gadisseur, Catherine Bertholet, Pierre Lukas, Etienne Cavalier, Philippe Delahaut, Birgit Quinting, Margareta Brandt Gertmo, Ewa Ternesten Hasseus, Vladyslava Barzylovych, Júlio Oliveira, Luis F. Ensina, Carolina S. Aranda, Leire Dopazo, Rebeca Lopez, Raquel Perez, Laura Santos-Diez, Agurtzane Bilbao, Juan Miguel Garcia, Ignacio García Núñez, María Ángeles Algaba Mármol, María José Barasona Villarejo, José Antonio Bácter Martos, Marina Suárez Vergara, José María Ignacio García, Agata Michalska, Grzegorz Sergiejko, Robert Zacniewski, Ileana-Maria Ghiordanescu, Cristina Deaconu, Mihaela Popescu, Roxana Silvia Bumbacea, Alkerta Ibranji, Elida Nikolla, Gjustina Loloci, Nanna Juel-Berg, Lau Fabricius Larsen, Lars Kjaergaard Poulsen, João Marcelino, Ricardo Prata, Ana Célia Costa, Fátima Duarte, Marta Neto, Jennifer Santos, Luís Câmara Pestana, Daniel Sampaio, Paola Minale, Paola Dignetti, Donatella Bignardi, Irena Nedelea, Florin-Dan Popescu, Mariana Vieru, Florin-Adrian Secureanu, Carmen Saviana Ganea, Miguel Vieira, José Pedro Moreira Silva, Timothy Watts, Sophia Watts, Marta Lomikovska, Marina Peredelskaya, Natalia Nenasheva, Ivana Filipovic, Zorica Zivkovic, Djordje Filipovic, Jennette Higgs, Amena Warner, and Carla Jones

Subjects
Immunologic diseases. Allergy, RC581-607
Published
2017
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7. Maternal filaggrin mutations increase the risk of atopic dermatitis in children: an effect independent of mutation inheritance.

Author

Jorge Esparza-Gordillo, Anja Matanovic, Ingo Marenholz, Anja Bauerfeind, Klaus Rohde, Katja Nemat, Min-Ae Lee-Kirsch, Magnus Nordenskjöld, Marten C G Winge, Thomas Keil, Renate Krüger, Susanne Lau, Kirsten Beyer, Birgit Kalb, Bodo Niggemann, Norbert Hübner, Heather J Cordell, Maria Bradley, and Young-Ae Lee

Subjects
Genetics, QH426-470
Abstract

Epidemiological studies suggest that allergy risk is preferentially transmitted through mothers. This can be due to genomic imprinting, where the phenotype effect of an allele depends on its parental origin, or due to maternal effects reflecting the maternal genome's influence on the child during prenatal development. Loss-of-function mutations in the filaggrin gene (FLG) cause skin barrier deficiency and strongly predispose to atopic dermatitis (AD). We investigated the 4 most prevalent European FLG mutations (c.2282del4, p.R501X, p.R2447X, and p.S3247X) in two samples including 759 and 450 AD families. We used the multinomial and maximum-likelihood approach implemented in the PREMIM/EMIM tool to model parent-of-origin effects. Beyond the known role of FLG inheritance in AD (R1meta-analysis = 2.4, P = 1.0 x 10-36), we observed a strong maternal FLG genotype effect that was consistent in both independent family sets and for all 4 mutations analysed. Overall, children of FLG-carrier mothers had a 1.5-fold increased AD risk (S1 = 1.50, Pmeta-analysis = 8.4 x 10-8). Our data point to two independent and additive effects of FLG mutations: i) carrying a mutation and ii) having a mutation carrier mother. The maternal genotype effect was independent of mutation inheritance and can be seen as a non-genetic transmission of a genetic effect. The FLG maternal effect was observed only when mothers had allergic sensitization (elevated allergen-specific IgE antibody plasma levels), suggesting that FLG mutation-induced systemic immune responses in the mother may influence AD risk in the child. Notably, the maternal effect reported here was stronger than most common genetic risk factors for AD recently identified through genome-wide association studies (GWAS). Our study highlights the power of family-based studies in the identification of new etiological mechanisms and reveals, for the first time, a direct influence of the maternal genotype on the offspring's susceptibility to a common human disease.

Published
2015
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8. Filaggrin loss-of-function mutations are associated with persistence of egg and milk allergy

Author

Birgit Kalb, Ingo Marenholz, Alexander C.S.N. Jeanrenaud, Lara Meixner, Aleix Arnau-Soler, Oscar D. Rosillo-Salazar, Ahla Ghauri, Penelope Cibin, Katharina Blümchen, Rupert Schlags, Gesine Hansen, Jürgen Seidenberg, Thomas Keil, Susanne Lau, Bodo Niggemann, Kirsten Beyer, and Young-Ae Lee

Subjects
Immunology, Eczema, Filaggrin Proteins, Allergens, Intermediate Filament Proteins, Cardiovascular and Metabolic Diseases, Mutation, Animals, Immunology and Allergy, Cattle, Female, Milk Hypersensitivity, Egg Hypersensitivity, Chickens, Food Hypersensitivity
Abstract

BACKGROUND: A genetic defect in the epidermal barrier protein filaggrin plays a major role in the etiology of eczema and associated allergic airways diseases. However, it is still controversial to what extend loss-of-function (LOF) mutations in the filaggrin gene (FLG) contribute to the development and persistence of food allergies.OBJECTIVE: We tested association of FLG LOF mutations with allergic reactions to diverse foods and investigated their potential effect on the persistence of early food allergies. METHODS: We recruited 890 children with challenge-proven food allergy for the German Genetics of Food Allergy Study (GOFA). Longitudinal data were available for 684 children. All children were clinically characterized, including their allergic responses to specific foods, and genotyped for the four most common LOF mutations in FLG; R501X, 2282del4, R2447X, and S3247X. Associations between FLG mutations and food allergies were analyzed by logistic regression using the German Multicenter Allergy Study cohort as control population. RESULTS: FLG mutations were associated with allergies to diverse foods including hen's egg (HE), cow's milk (CM), peanut, hazelnut, fish, soy, cashew, walnut, and sesame with similar risk estimates. Effects remained significant after adjusting for the eczema status. Interestingly, FLG mutations increased the risk of a persistent course of HE and CM allergy. CONCLUSION: Using the gold standard for food allergy diagnosis, we demonstrate that FLG LOF mutations confer a risk of any food allergy independent of eczema. They predispose to the persistence of HE and CM allergy and should be considered in the assessment of tolerance development.

Published
2022

9. Narcolepsy-Like Sleepiness: A Symptom of Immediate-Type Reactions in Food-Allergic Children

Author

Birgit Kalb, Jasmin Jentsch, Songül Yürek, Konrad Neumann, Lara Meixner, Susanne Lau, Bodo Niggemann, and Kirsten Beyer

Subjects
Immunology and Allergy
Abstract

It has been reported that sometimes children fall asleep and can barely be woken up during allergic reactions on food ingestion. Nevertheless, to date, there is scarce data on narcolepsy-like sleepiness as a symptom of allergic reactions.To investigate the frequency of narcolepsy-like sleepiness during oral food challenges and characterize this symptom regarding comorbidities, eliciting allergens, and severity of reactions.Children with immediate-type allergic reactions during oral food challenges (89% were double-blind, placebo-controlled) have been analyzed in this study. Narcolepsy-like sleepiness was defined as a somnolent condition during which patients could barely be woken up again, occurring within 2 hours of food intake and which was not due to drug side effects. Logistic generalized estimating equations were used to explore the effect of age, severity of reactions, and eliciting allergens on the occurrence of narcolepsy-like sleepiness.In 106 (12.5%) of all 848 food-allergic children, narcolepsy-like sleepiness was observed during oral food challenges. Children with eczema had a higher risk of developing narcolepsy-like sleepiness (P = .006). Narcolepsy-like sleepiness occurred most often due to an allergic reaction to hazelnut (P = .009) or other tree nuts (P = .003). Moderate to severe reactions occurred more often than mild reactions (P = .026; odds ratio, 1.521; 95% CI, 1.051-2.202) in children with narcolepsy-like sleepiness.We were able to show for the first time that narcolepsy-like sleepiness is a frequently occurring clinical manifestation of immediate-type allergic reactions on food ingestion in childhood. Further research is needed to unravel the underlying mechanisms to gain a deeper insight into this underestimated symptom.

Published
2022

10. Follow-up of hen’s egg allergic children: investigation of factors that influence the reevaluation of tolerance development

Author

Kirsten BEYER, Paul Baek, Josefine Dobbertin-Welsch, Birgit Kalb, Valérie Trendelenburg, Sebastian Tschirner, Meike Veit, and Songül Yürek

Abstract

Background: In order to determine tolerance development in hen’s egg (HE) allergic children, international guidelines recommend an oral food challenge after 6-24 months. This study aimed to assess whether parents follow this advice and factors that influence their decision. Methods: A follow-up of 158 challenge-proven HE allergic children was performed. Families who did not come to a rechallenge were contacted by phone and a standardized survey relating to the current allergy status was conducted. Logistic regression models were used to assess the effect of clinical and laboratory characteristics on the reevaluation of the allergy status. Results: 35% of the HE-allergic children conducted a rechallenge in a hospital, 27% continued avoiding HE without reevaluation and 11% performed a “home-testing” with HE. The odds ratio for patients to test for HE tolerance at home instead of in a hospital increased 7.94 times (CI:2.31-27.31) for every decrease in the severity score at the initial challenge, and 3.24 times (CI:1.26-8.33) for every decrease of the baseline specific IgE CAP-class. Tolerance of heated HE prior to reevaluation was most frequent in the home-tested (100%) and was more frequent in patients, who continued avoidance (68%) compared to those, who were rechallenged (44%). Conclusions: Our data suggest an association between reaction severity as well as specific IgE levels at initial food challenge and the choice of families whether and how to evaluate natural tolerance development in their HE-allergic child. Individualized management may be needed in order to achieve safe and effective medical care for these patients.

Published
2022

11. Canadian genome-wide association study and meta-analysis confirm HLA as a risk factor for peanut allergy independent of asthma

Author

Gerard H. Koppelman, Young-Ae Lee, Aida Eslami, Yuka Asai, Sarah Grosche, Stephen Cheuk, Joshua D. Hoffman, Katrina J. Allen, Hans de Groot, Xiumei Hong, Moshe Ben-Shoshan, Anthony E.J. Dubois, Roy Gerth van Wijk, Alan L. James, Eric Jorgensen, Michael Hunter, Nicolette W. de Jong, Sarah Ashley, Bruce Mazer, Andrew J. Sandford, David Martino, Ingo Marenholz, Arthur W. Musk, Birgit Kalb, Denise Daley, Ann E. Clarke, Rick Chin, Manuel A. R. Ferreira, Ming Wan, C Dorien van Ginkel, Franz Rüschendorf, Xiaobin Wang, Markus M. Nöthen, Kirsten Beyer, Jennie Hui, Loubna Akhabir, Ronald B. Melles, David Yin, George Ellis, John S. Witte, Groningen Research Institute for Asthma and COPD (GRIAC), and Internal Medicine

Subjects
0301 basic medicine, Adult, Male, EXPRESSION, Allergy, Canada, Adolescent, Arachis, Immunology, Peanut allergy, Genome-wide association study, Human leukocyte antigen, Biology, Polymorphism, Single Nucleotide, 03 medical and health sciences, Young Adult, 0302 clinical medicine, Antigen, Polymorphism (computer science), HLA Antigens, Risk Factors, medicine, Journal Article, Immunology and Allergy, Humans, Genetic Predisposition to Disease, Peanut Hypersensitivity, Risk factor, Child, Genetic association, Aged, Aged, 80 and over, Infant, Middle Aged, medicine.disease, GENE, Asthma, 030104 developmental biology, 030228 respiratory system, Child, Preschool, ARRAY, Female, Genome-Wide Association Study
Abstract

_To the Editor:_ Previously, we identified the HLA region as a risk factor forpeanut allergy (PA); this observation is supported further by 2 independent genome-wide association studies (GWASs). The HLA class II genes (including HLA-DR, HLA-DQ, and HLADP) encode molecules involved in presentation of extracellular antigens, such as peanut allergens, to T lymphocytes, which in turn mediates B-cell antibody production.We used the Canadian Peanut Allergy Registry (CanPAR) and the Busselton Health Study to conduct the largest GWAS for PA to date. Here we report analysis of the HLA region and a meta-analysis with data from 6 additional studies, which confirms and narrows the region of interest to HLA-DQB1 and establishes independence from asthma loci. [...]

Published
2018

12. Genome-wide association study identifies the SERPINB gene cluster as a susceptibility locus for food allergy

Author

Xiaobin Wang, Sebastian Tschirner, Carsten Oliver Schmidt, Ingo Marenholz, Jürgen Seidenberg, Markus M. Nöthen, Norbert Hubner, Kirsten Beyer, Franz Rüschendorf, Young-Ae Lee, Xiumei Hong, Rupert Schlags, Songül Yürek, Bodo Niggemann, Neda Harandi, Georg Homuth, Holger Röblitz, Sarah Grosche, Mareike Price, Birgit Kalb, Katharina Blumchen, and Gesine Hansen

Subjects
0301 basic medicine, Male, Allergy, Science, General Physics and Astronomy, Locus (genetics), Genome-wide association study, Human leukocyte antigen, Biology, Filaggrin Proteins, General Biochemistry, Genetics and Molecular Biology, Article, 03 medical and health sciences, 0302 clinical medicine, Food allergy, Gene cluster, medicine, Humans, Genetic Predisposition to Disease, lcsh:Science, Gene, Serpins, Genetics, Multidisciplinary, Oral food challenge, digestive, oral, and skin physiology, General Chemistry, medicine.disease, 030104 developmental biology, 030228 respiratory system, Case-Control Studies, Child, Preschool, Multigene Family, Female, lcsh:Q, Food Hypersensitivity, Genome-Wide Association Study
Abstract

Genetic factors and mechanisms underlying food allergy are largely unknown. Due to heterogeneity of symptoms a reliable diagnosis is often difficult to make. Here, we report a genome-wide association study on food allergy diagnosed by oral food challenge in 497 cases and 2387 controls. We identify five loci at genome-wide significance, the clade B serpin (SERPINB) gene cluster at 18q21.3, the cytokine gene cluster at 5q31.1, the filaggrin gene, the C11orf30/LRRC32 locus, and the human leukocyte antigen (HLA) region. Stratifying the results for the causative food demonstrates that association of the HLA locus is peanut allergy-specific whereas the other four loci increase the risk for any food allergy. Variants in the SERPINB gene cluster are associated with SERPINB10 expression in leukocytes. Moreover, SERPINB genes are highly expressed in the esophagus. All identified loci are involved in immunological regulation or epithelial barrier function, emphasizing the role of both mechanisms in food allergy., Food allergy is an increasing public health problem. In a genome-wide scan of children diagnosed by oral food challenge, Marenholz et al. find new genetic associations underlying food allergy, implicating the immune system and the epithelial barrier.

Published
2017

13. Genomewide association study of peanut allergy reproduces association with amino acid polymorphisms in <scp>HLA</scp> ‐ <scp>DRB</scp> 1

Author

Xiaobin Wang, Manuel A. R. Ferreira, Shyamali C. Dharmage, David Martino, Damjan Vukcevic, Young-Ae Lee, Melanie C. Matheson, Kirsten Beyer, Sarah Ashley, Justine A. Ellis, Richard Saffery, Xiumei Hong, Lyle C. Gurrin, Birgit Kalb, Katrina J. Allen, Ingo Marenholz, Jennifer J. Koplin, Allan Motyer, and Stephen Leslie

Subjects
0301 basic medicine, Genotype, Immunology, Peanut allergy, Single-nucleotide polymorphism, Genome-wide association study, Human leukocyte antigen, Biology, Polymorphism, Single Nucleotide, 03 medical and health sciences, 0302 clinical medicine, Odds Ratio, medicine, Humans, Immunology and Allergy, Genetic Predisposition to Disease, Peanut Hypersensitivity, Allele, HLA-DRB1, Genotyping, Alleles, Genetics, Polymorphism, Genetic, medicine.disease, 3. Good health, 030104 developmental biology, Amino Acid Substitution, 030228 respiratory system, Genome-Wide Association Study, HLA-DRB1 Chains
Abstract

Background Genetic variants for IgE-mediated peanut allergy are yet to be fully characterized and to date only one genome-wide association study (GWAS) has been published. Objective To identify genetic variants associated with challenge proven peanut allergy. Methods We carried out a GWAS comparing 73 infants with challenge-proven IgE-mediated peanut allergy against 148 non-allergic infants (all ~ 1 year old). We tested a total of 3.8 million single nucleotide polymorphism (SNPs), as well as imputed HLA alleles and amino acids. Replication was assessed by de novo genotyping in a panel of additional 117 cases and 380 controls, and in silico testing in two independent GWAS cohorts. Results We identified 21 independent associations at P ≤ 5x10-5 but were unable to replicate these. The most significant HLA association was the previously reported amino acid variant located at position 71, within the peptide-binding groove of HLA-DRB1 (P = 2x10-4). Our study therefore reproduced previous findings for the association between peanut allergy and HLA-DRB1 in this Australian population. Conclusions & Clinical Relevance Genetic determinants for challenge proven peanut allergy include alleles at the HLA-DRB1 locus. This article is protected by copyright. All rights reserved.

Published
2017

14. Evaluation of food allergy candidate loci in the Genetics of Food Allergy study

Author

Ingo Marenholz, Katharina Blumchen, Neda Harandi, Rupert Schlags, Young-Ae Lee, Georg Homuth, Jürgen Seidenberg, Mareike Price, Norbert Hubner, Markus M. Nöthen, Bodo Niggemann, Kirsten Beyer, Franz Rüschendorf, Songül Yürek, Sarah Grosche, Birgit Kalb, Carsten Oliver Schmidt, and Gesine Hansen

Subjects
0301 basic medicine, Genetics, Male, Genotype, Chromosomes, Human, Pair 11, digestive, oral, and skin physiology, Immunology, Infant, Locus (genetics), Biology, medicine.disease, Polymorphism, Single Nucleotide, 03 medical and health sciences, 030104 developmental biology, Food allergy, Child, Preschool, medicine, Immunology and Allergy, Humans, Female, Food Hypersensitivity
Abstract

A recent genome-wide association study suggested novel candidate loci for food allergy. Apart from the established locus at 11q13, these revealed no association with food allergy in the Genetics Of Food Allergy Study.

Published
2018

15. Abstracts from the Food Allergy and Anaphylaxis Meeting 2016

Author

Georgios Rentzos, Esben Eller, Annick Mercenier, Magna Correia, Pedro Moreira, Linda Verrill, Mário Morais-Almeida, Frauke Schocker, Carsten Bindslev-Jensen, Ulrike Lehnigk, Andreas Frey, Lars Verschuren, Anna-Lena Bramstång Björk, Lene Heise Garvey, Elena Molina, Katrine L. Bøgh, J. L. van der Velde, Montserrat Alvaro, Phil Padfield, Niamh Brosnan, Nelly Gourdon-Dubois, Christian Harwanegg, Manuel Branco Ferreira, Songül Yürek, Amyra Ali Azamar Jácome, Rashid Amin, José Ramón Fernández Lorenzo, Kirsten Beyer, Florin-Adrian Secureanu, Charlotte Bernhard Madsen, Julie Galand, Claudia Pföhler, Rabea Reinert, Heinz Fehrenbach, Anton Hartmann, Maria Salas, Arne Homann, Rand Arnaout, Sarah Lindsley, Nerea Sarmiento Carrera, Patrícia Padrão, Berber Vlieg-Boerstra, Alkerta Ibranji, Benoît Sterling, Maria Auxiliadora Guerrero, Maria L. Baeza, Maurizio Tamburrini, Eva Untersmayr, Tanja Cirkovic Velickovic, Farrukh Sheikh, Sarah Kuntz, Sara Martínez, Kriti Gupta, Maria de Lurdes Torre, Yvonne Vergouwe, Ross Yarham, Faisal R. Bakhsh, Marta Vazquez-Ortiz, João Marcelino, Tullio Frediani, Ricardo Prata, Anna Kaarina Kukkonen, Gustavo Soldateli, Ines Mrakovčić-Šutić, Elodie Drumez, Cristina Ornelas, Maria Vazquez de La Torre, Renata Barros, Agata Szymkiewicz, Aneta Tomaszewska, Stefanie Rohwer, Charlotte Eisenmann, Adriana Muntean, Matteo Moretti, Johanna P. M. van der Valk, Birgit Quinting, Stefan Kabasser, David Gillick, Michał Przybyszewski, Grzegorz Sergiejko, Antonio Jorge Cabral, Alba Pablos-Tanarro, Robert Elfont, Marit Reitsma, Roxana Silvia Bumbăcea, Nelson Rosario, Maria Livia Bernardi, Cristiane N. Santos, Christian Radauer, Sandra Denery-Papini, Geert F. Houben, Nicolette W. de Jong, Marta Anda, Alexander Rohrbach, Teodorikez Wilfox Jimenez-Rodriguez, María Teresa Villalba, Karine Patient, Harmieke van Os-Medendorp, Kathrin Scherer, Marta Goñi Esarte, Svetlan Dermendzhiev, Jossie Garthoff, Michelle M. Epstein, Catherine Bertholet, Bruna Pultrini Aquilante, Didier G. Ebo, Roberta Aina, Jorge Kalil, Petri Kulmala, Lars K. Poulsen, Barbara Ballmer, H. Mary-Lene de Zeeuw-Brouwer, Karin Hoffman-Sommergruber, Winfried Leeman, Anne Miles, Nehad Gomaa, Maria Teresa Costantino, Evelyne Mangodt, Maria Konstantakopoulou, Rosa Jimenez, Attilio Francesco Speciani, Helga Magnusdottir, Inmaculada Sánchez-Machín, H. Kaddouri, Raquel Perez, Astrid Versluis, Anthony E. J. Dubois, Anja Koren Jeverica, Zdenka Barićev-Novaković, Joost Westerhout, A.M. Plaza, Júlio Oliveira, Pierre Lukas, Oksana Matsyura, Giuseppe Pingitore, Mira Silar, Huub F. J. Savelkoul, Urszula Samolinska-Zawisza, Chantal Brossard, Ana Reis Ferreira, Reiko Teshima, Serena Perna, Mariola Dietrich, Dirk Verhoeven, Fiona Kenna, Paloma Poza-Guedes, Cristobalina Mayorga, Pilar Hernandez, Roberto Bernardini, Roberto Berni Canani, Maria Francesca Patria, Mariana Vieru, Julie Locklear, Esther van Twuijver, Marina A. Kiseleva, H. Kim A. Brand, Gabriele Schulz, Ileana-Maria Ghiordanescu, Nikolaos G. Papadopoulos, Danijela Apostolovic, Maria del Mar Folqué, Eva Lasa, Mohammad Al Bahkali, Arianna Dondi, Sofia Kostoudi, Simon Rosenberg, Véronique Nève, Rumyana Yankova, Barbara Ballmer-Weber, Maria Jose Goikoetxea, María José Barasona Villarejo, Teija Dunder, Tina Vesel, Elisa Gritti, Marianne van Hage, Laure Castan, Etienne Beaudouin, Margherita Di Costanzo, Natalia Ukleja-Sokołowska, Matthew Sperrin, Paul Turner, Saskia Albroscheit, Rebeca Lopez, Sonja Posega Devetak, Francisca Palomares, Laetitia Sellam, Jennifer Hammond, Astrid G. Kruizinga, Konrad Furmanczyk, Patricia Macchiaverni, Olga Pakholchuk, I V Vorozhko, Ania Carsin, Aleksandar Bulog, Joris Mens, Bianca Balbino, James P. Hindley, Jaap H. Akkerdaas, Jonathan Hourihane, Hilde Cnossen, Tatyana A Popova, Rupert Schlags, Natalia Nenasheva, A. Ehrenberg, Sigurveig T. Sigurdardottir, Anna Iliopoulou, Clara Ippolito, Piotr Samel-Kowalik, Paloma Campo, Gador Bogas, Constantinos Pitsios, Sarah Grosche, Karla Leversia Borjas Aguilar, Amena Warner, Birgit Kalb, Lénaïck Dupuis, Harry J. Wichers, Diana Silva, Gabriele Piuri, Linus Grabenhenrich, Emanuel Sarinho, M. Eleonore Pettersson, Rodrigo Barderas, Gary Stiefel, E. N. Clare Mills, Lali Saginadze, Ruta Dubakiene, Francesca Cipriani, Mindy Tsai, Marina Themisb, Michela Ciancamerla, Rebecca Knibb, Ruperto González-Pérez, Marina Peredelskaya, André C. Knulst, Irene Berends, S N Denisova, Montserrat Fernandez-Rivas, Paolo Maria Matricardi, Daniel Sampaio, Giorgio Bedogni, Sira Miquel, Koen Smit, Stefania Arasi, Sylvia Osscini, Justine Courtois, Cristina Deaconu, Srdan Banac, Kirsten Hansen, Jennette Higgs, Charlotte Hands Plovdiv, Carlotta Povesi Dascola, Noe Ontiveros, Rik Schrijvers, Carla Mastrorilli, Maria Passioti, Sebastian Tschirner, Bjorn R. Ludviksson, Joana Caiado, Daniel Corbacho, Sophie Nutten, Agustin Madroñero, Marina Suárez Vergara, Boudewjin J. Kollen, Catherine J Nock, Johanna Rost, Agnieszka Lipiec, Skadi Kull, Geert Houben, Carlo Caffarelli, Jordi Roca-Ferrer, Bolesław Samoliński, Isabelle Cleach, Colette Larré, Aideen Byrne, Corinne Herouet-Guicheney, Jonas Lidholm, Vera Assmann, W. Marty Blom, Adriano Mari, Adam T. Fox, Giuseppe Crisafulli, Afke M. M. Schins, Anastasia Papadopoulou, Flávio Sano, Richard Cooke, Franziska Ruëff, L Jorjoliani, Rebekah Sayers, Anne-Marie Kochuyt, Borja Bartalomé, Anne Moneret-Vautrin, Juan Carlos Julia, Jelena Mihailovic, Katarzyna Pyrz, Kollen Boudewijn, Margherita Varini, Paolo Giordani, Claudia Alessandri, Johanna van der Valk, Antoine Deschildre, Mariam Tskhakaia, Rosina López-Fandiño, Omar Kheroua, Nicolette J. T. Arends, Alina Zbróg, Chung-Hsiung Huang, Andrea Wangorsch, Ulf Bengtsson, Jim Langridge, Dasha Roa-Medellín, Jose Ignacio Larco, Bert Popping, Ana Prieto del Prado, José Antonio Bácter Martos, Rita Nocerino, Sophia Watts, Elisa Haroun, Danilo Villalta, Lee A. Gethings, María Ángeles Algaba Mármol, Ewa Gawrońska-Ukleja, Cornelia Jansen, André Moreira, V A Revyakina, Robert Zacniewski, Xavier Domingo Miró, Francesco Macrì, Mayra de Barros Dorna, Akanksha Sharma, Stephen J. Till, Ali Almontasheri, Chrystyna Kalicinsky, Robbert Sutorius, Akila Rekima, Mark A. Blankestijn, Nicolette Arends, Chiara Pistoletti, Merima Bublin, Manuel Pereira-Barbosa, Reyna Simon, Martin Karjalainen, Sam Mehr, Tushar Banerjee, Carmen Riggioni, Bertrand Evrard, Antonio Carlos Pastorino, Lidia Ilènko, Nikolaos Douladiris, Miguel Vieira, Erik Wambre, Francisco Cabrera-Chavez, Nikos G. Papadopoulos, Piotr Humeniuk, Gert van Duijn, Francesco Zinno, Young-Ae Lee, Lisa Tuppo, Hans de Groot, Léon M.J. Knippels, Pawel Dubiela, Henrik Fomsgaard Kjaer, Andrea Vereda, Djamel Saidi, Kok Loong Ue, Henk Van Loveren, Maria Jose Rodriguez, Marta Lomikovska, Elodie Michaud, Josefina Cernadas, Carmen Ponce, Marysia Recto, Frances Smith, Hassan Al-Dhekri, Shinobu Sakai, Thomas Eiwegger, Ana Rodolfo, Diego Peroni, Nikki Edelbroek, Waltraud Suer, Jenny van Odijk, Irena Nedelea, Borja Bartolomé, Lauren Lissner, Marjeta Sedmak, Annette Jamin, Italo De Vitis, Bo Pontoppidan, Annabelle Capt, Diego G. Peroni, Susana Rodrigues, Juan Carlos López-Rodríguez, David Endesfelder, Lesya Besh, Danila Zennaro, Charlotte G. Mortz, Kati Palosuo, María José Torres, Esozia Arroabarren, Lynne Regent, Laura Valdesoiro Navarrete, Ana Molina, Agha Rehan Khaliq, Phil Couch, Ana Miranda, Thomas Marichal, Riccardo Asero, Denise Borges, Dikla Pivko Levy, Miriam Palacios, Mireille Eb, Stephen J. Galli, Karin Hoffmann-Sommergruber, Anna Gudrun Vidarsdottir, Ifigenia Sfika, André Wolterbeek, Mauro Calvani, Edward F. Knol, Joyce A. M. Emons, Anne-Marie Oomkes-Pilon, Montserrat Bosque García, Daniel Lozano-Ojalvo, Filip Raciborski, Deirdre Galloway, Nanna Juel-Berg, Margareta Brandt Gertmo, Cornelia Bergmayr, Rob Klemans, Juliane Gregersen, Yolanda Meijer, Bettina Brix, Susanne Lau, Karine Adel-Patient, Hanneke van der Kleij, Mareike Price, Jean-Louis Mege, Lizalet Oosthuizen, Agurtzane Bilbao, Indre Butiene, Antonino Romano, Colin Barber, Rosana Camara Agondi, Nour Baïz, Soraya Ainad Tabet, Peter Korošec, Laurian Jongejan, Francine C. van Erp, José Pedro Moreira Silva, Nandinee Patel, Jaime Lozano, Prescilla V. Jeurink, Artur Walkiewicz, Bryan M. Harvey, Tiina J. Kauppila, Aida Semic-Jusufagic, Marianna Murdjeva, Miren Arteaga, Y. Bouferkas, Geunwoong Noh, Henny G. Otten, Sabine Dölle, Christopher Munro, O Dominguez, Gerard H. Koppelman, Leonieke N. van Veen, Vasti Iancu, Georg Mitterer, Patrizia Polverino de Laureto, Juliane Schulz, Ewa Ternesten Hasseus, Caroline Zimmermann, Ivona Barcievic-Jones, Shira Benor, Susanne Schwarz, Eun Ha Jang, Josefina Rodrigues Cernadas, Tadej Avcin, Joseph L. Baumert, Pernille Winther, Stéphane Leteurtre, Gabriela Canto, Louise J Michaelis, Jorge Alvarez, Gabriel Gastaminza, Michela Carola Speciani, Rute Gonçalves, Leire Dopazo, Evgen Benedik, Susanne C. Diesner, Luc S. De Clerck, A. Wesley Burks, Maurits S. van Maaren, Salvatore Tripodi, Philippe Aubert, Kamel Eddine El Mecherfi, Aline B. Sprikkelman, Ana Prieto, Margitta Worm, Edyta Krzych, Maja Krstic, Iride Dello Iacono, Melanie Cap, Alf Weimann, Maria Nassiri, Niels Röckendorf, Vladyslava Barzylovych, Marcia C. Mallozi, Pierre Bruhns, Jeanette Fisker Trandbohus, Ekaterini Papadopoulou, Vicente Albendiz, Timothy Watts, Uta Jappe, Javier Moreno, Maria Carmen Verga, Beatriz Secades Barbado, Carmen Di Scala, Roy Gerth van Wijk, Vladimir Mićović, Esther Barrionuevo, Giampaolo Ricci, Luisa Galindo, Ana Paula Beltran Moschione Castro, Oona Mustonen, Jia Yin, Lucia Caminiti, Jorge Esparza-Gordillo, N Adamia, Anna-Maija Hanni, Romy Gadisseur, Stefano Luccioli, Regina Treudler, Rosetta Ferrara, M. Guendouz, Jaakko Yrjänä, Philipp Starkl, Premendra D. Dwivedi, Javier Cuesta-Herranz, Johan Garssen, Ekaterini Goudouris, Sridevi Muralidharan, Kate Grimshaw, Carolina Sanchez Aranda, Ioana Maris, Manzoor Ahmed, Hajime Karasuyama, Stephanie Claus, Chantal Agabriel, Karen English, Dorien Van Ginkle, Eleonora Savi, Loredana Chini, Ine I. Decuyper, Sabine Schnadt, Valérie Trendelenburg, Jean-Luc Fauquert, Maurizio Mennini, Nikolaos Mikos, Ana Célia Costa, Steve L. Taylor, A. A. Schoemaker, Sara Abián, Margo M. Hagendorens, Andrea Di Rienzo Businco, Melina Makatsori, Eugénia Matos, Lucy Walker, Nikolaos A. Kitsioulis, David Alejandro Mendoza Hernández, Maria Starkhammar, Djordje Filipovic, Aine Adams, Mukul Das, Sonsoles Intente-Herrero, Natalia Blanca López, Marek L. Kowalski, Diana Deleanu, Bernard P. Mahon, Jean-Michel Wal, Lucia Decastelli, Mihaela Popescu, Aimee Lou Nano, Eva Batanero, Tong-Rong Jan, Yolanda Puente, Jacek Borowicz, Aimée Dorkenoo, J. Östling, Mashary Altamimi, Michel Neunlist, Zerrin Yalvaç, Sonia Ricò, Wentong Xue, Linda Cosenza, David C. A. Candy, Robert D. Voyksner, Montserrat De Prada, Abdulhadi Al-Qahtani, Sébastien Holvoet, Wolf-Meinhard Becker, Meropi D. Kontogianni, Bruno Pereira, F. Pineau, Eva Corbet, Kirsten Mehlig, Rosella De Poi, Jolanda H. M. van Bilsen, José Luís Plácido, Hans-Jørgen Malling, Chia-Chi Wang, Philip Couch, Kerrie Kirk, Agata Michalska, Sylke Rietz, Mariya Ivanovska, Victor Matheu-Delgado, Carl Hamsten, Francisca Gómez, Neusa Falbo Wandalsen, Mika J. Mäkelä, Tatyana Sentsova, Kristian Bravin, Philippe Delahaut, Hervé Bernard, Leonor Carneiro-Leão, Michele Miraglia del Giudice, Elena D. Kuvshinova, Jochen Behrends, Caroline Klingebiel, Meta Accetto, Claire Mills, Mariona Pascal, Miguel García Domínguez, Huan Rao, Carmen Saviana Ganea, Umberto Pelosi, Stefano Pattini, Bodo Niggemann, Annamaria Bianchi, Laura Martín-Pedraza, Anna Selby, Cristina Bueno, Stefan Vieths, Luis Felipe Ensina, Florin-Dan Popescu, Antonio Fernandez, Soren Wille, Erna Van Hoeyveld, Carina Kelleher, Athina L. Van Gasse, Anders Blom Jensen, Zorica Zivkovic, Moshe Ben-Shoshan, Sara Pereiro Fernández, Ronald van Ree, Antima Banerjee, Pablo Merida, Mandy Ziegert, Barbara Wróblewska, Morten Christensen, Gador Gomez, Pablo San Segundo-Acosta, Khaled Messaoudi, Anne-Sofie Ravn Ballegaard, Mikael Kuitunen, David Luyt, Vito Sabato, Nesrine Zaabat, Svitlana Zubchenko, Julien Labreuche, Elin Lustig, Katharina Blumchen, Guillaume Pouessel, Ana Fiandor, Stéphanie Lejeune, Paola Dignetti, Helen Brown, Anastasia Cirisano, Evangelia Kompoti, Anna Sokolova, Mercedes Escarrer Jaume, Shan Deng, Dirceu Solé, Chiara Fiamingo, Alessandro Travaglini, Nicolas Gaudenzio, Zbigniew Bartuzi, Antonia Rojas, Roberta Olcese, Nanju Alice Lee, Sandra Brandhoff, Lucien F. Harthoorn, Anna Maria Szyc, Andrea Costanzi, Sabine Pfeifer, Emiliano De Dominicis, Chiara Rafaiani, Yin-Hua Cheng, Elida Nikolla, Ignacio García Núñez, Diego Faggian, Lieve Coorevits, Ayelet Rimon, Erika Jensen-Jarolim, Jacqueline J.M. Castenmiller, Kristin Verbeke, Sean Bennett, Paraskevi Xepapadaki, Glauce Hiromi Yonamine, Anna Wawrzeńczyk, Rusudan Karseladze, Emmanouil Manousakis, Fiona Ward, Ivana Filipovic, Marie Bodinier, Viviana Moschese, Pedro Giavina Bianchi, Alice Coimbra, Alena Berger, Anton A. Shekhetov, Monica Maćków, Philippe Egenmann, Oscar Asensio, Lidia Hanna Markiewicz, Chun-Wei Tung, Zsolt Szépfalusi, Jan Knol, Frits Koning, Carolina S. Aranda, Annick Bastiaensen, Giovanni Battista Pajno, Leticia Pérez-Rodríguez, Ewout W. Steyerberg, Riccardo Sibilano, Valérie Verhasselt, Roberta Lupi, Lukasz Sokolowski, Adam Wawrzeńczyk, Dimitris I. Mitsias, Andreia Forno, Antoine Magnan, Christian Schwager, Ioanna Manolaraki, Alessandro Fiocchi, Tanja Rouhani Rankouhi, Carla Jones, Ana Pereira, Hannah M. Kansen, Michael Clausen, D. Bignardi, Assad M. Butt, Julie C. Locklear, Katrine Lindholm Bøgh, Valery Muhortnich, María Teresa Giner, Juan Miguel Garcia, Maria Luisa Somoza, Raditsa Sokolova, Maria Pasioti, Mirjana Zupancic, Joana Vitte, Duncan Brown, Arnaldo Porto, M. Turfkruyer, Lau Fabricius Larsen, Filipe Benito-Garcia, Mayra Coutinho Andrade, Meltem Ugras, Ingrid Sutic, Rand K. Arnaout, Etienne Cavalier, Marta Neto, Grégory Bouchaud, Elena Varin, Bushra Javed, Carla Camerotto, Monica Bronkowska, Cristiano Caruso, Luís Amaral, Jackeline F. Motta, Sahar Elshorbagi, Cornelis K. van der Ent, Alexandra Rodrigues, Silvia Peveri, Juan Heber Castellanos, Muriel Totis, Joan Bartra, Gjustina Loloci, Ivana Giangrieco, Ekaterina Khaleva, Joaquín Navarro, Kayoko Matsunaga, Jlenia Fresta, Jonathan O'b Hourihane, Sabina Bijlsma, Ana Rodriguez-Fernandez, Rosita Aitoro, Daniela Manila Bianchi, Rosa Jimenez-Feijoo, Mario Plebani, Marleen T. J. Van Ampting, Anthony E.J. Dubois, Clémence Mordacq, Simone Frediani, Martin Chapman, Helena Larramona, Fabrícia Carolino, Yanne Boloh, Ivona Baricevic-Jones, Mathilde Claude, Caroline Thumerelle, Päivi Vähäsarja, Mareen R. Datema, Abdullah Alfhaid, Diana Perez Alzate, Laura Santos-Diez, Graham King, Maria Teresa Guerra Perez, Jean-Marie Renaudin, Frieke Kuper, Josué Alejandro Huertas Guzmán, Harry Wichers, Thomas Keil, A. Haddi, Jennifer Santos, Regina Selb, Aida del Campo García, Maria Basagaña, Valentino Pavišić, Angela Simpson, Chris H. Bridts, Susana Piedade, Silvia Gallina, Isabella Pali-Schöll, Inês Pádua, Margaretha A. Faber, Frédéric de Blay, Luís Câmara Pestana, Ben Remington, Anna S. Pelkonen, Sandra Lucarelli, Ivana Šutić, Olivier Tranquet, Montserrat López Onieva, Antonio Amoroso, Paola Minale, Katia Basello, George Du Toit, Daniela Adriano, Adnan Custovic, Zbikowska-Gotz M, Domingo Barber, Inmaculada Doña, Christine Breynaert, Hanan Sharif, Manon M. Oude Nijhuis, Sandra Denery, Bertine M. J. Flokstra-de Blok, Rinkesh Kumar Gupta, Pieter-Jan de Kam, Dianne E. Campbell, Carmen M. D'Amelio, Nunzia Maiello, Ingo Marenholz, José María Ignacio García, Helen Lindqvist, Lilian Moraes, Cleonir Lui de Moraes Beck, Eunice Dias de Castro, Cono Casale, Barbara Majkowska-Wojciechowska, Maria Petrodimopoulou, Andrea Mikkelsen, Hub P. J. M. Noteborn, Hulya Ercan Saricoban, Moira Austin, Martinus Løvik, Graham Roberts, Isabella Annesi-Maesano, Aeilko H. Zwinderman, Sigrun H. Lund, Anouska D. Michelsen-Huisman, Fernando Bandrés Sánchez-Cruz, Francisco Javier Ruano, Valérie Liabeuf, Eman Madbouly, Pasquale Comberiati, Maria Isabel Garcimartin, Stephan Scheurer, Inna A. Larkova, Jean Tratt, Renata Rodrigues Cocco, Younes Belabbas, Lorella Paparo, Elizabeth Griffiths, Gian Lodovico Rapaccini, Audrey Dunn Galvin, Zizi Cojocariu, Isidor Hutteger, Claire Claverie, S.M. Nedelska, Anna Kuklinska-Pijanka, Jenny Badas, Mónica Piquer, Iztok Devetak, A.K.F. Gushken, Frans Timmermans, Adriana Machinena, Francisco Javier Monteseirin, Amaranta Traversa, Fátima Cabral Duarte, Tomaž Poredoš, Peter Meyer, Cristina Arêde, Rosa Muñoz-Cano, Barbara Pfitzner, Alejandro Joral, Juan Carlos Daza, Laurent L. Reber, Olga Chernyak, and Maria Antonetta Ciardiello

Subjects
Pulmonary and Respiratory Medicine, Allergy, medicine.medical_specialty, 030504 nursing, business.industry, Immunology, RC581-607, medicine.disease, Meeting Abstracts, 03 medical and health sciences, 0302 clinical medicine, Food allergy, 030225 pediatrics, Family medicine, medicine, Immunology and Allergy, Immunologic diseases. Allergy, 0305 other medical science, business, Anaphylaxis
Published
2017

16. Multi-ancestry genome-wide association study of 21,000 cases and 95,000 controls identifies new risk loci for atopic dermatitis

Author

Supinda Bunyavanich, Mayumi Tamari, Ronny Myhre, Birgit Kalb, Benjamin A. Raby, Xuejun Zhang, Wendy L. McArdle, Daniel Glass, Gabrielle A. Lockett, Chao Tian, Adnan Custovic, Frank Geller, Albert M. Levin, Susanne Lau, Nicole Probst-Hensch, Marie Standl, Tim D. Spector, Elke Rodriguez, Badri Pahukasahasram, Craig E. Pennell, Carole Ober, Alexessander Couto Alves, George Davey Smith, Cheng-Jian Xu, James J. Yang, Nicholas G. Martin, Elisabeth Altmaier, Feng Li Xiao, Regina Foelster-Holst, Lise Lotte N. Husemoen, Atsushi Takahashi, Angela Simpson, Markus M. Noethen, Grainne M. O'Regan, Patrick M. A. Sleiman, Anja Bauerfeind, Linda E. Campbell, Jacob P. Thyssen, Caoimhe M. R. Fahy, Ingo Marenholz, André G. Uitterlinden, Jorge Esparza-Gordillo, Albert Hofman, John A. Curtin, John P. Kemp, Jie Zheng, Melanie C. Matheson, Suzanne G.M.A. Pasmans, Christian Gieger, Pirro G. Hysi, Esteban G. Burchard, Eskil Kreiner-Møller, Keith M. Godfrey, Erik Melén, Jin Li, Hans Bisgaard, Michael Kurek, X. Zheng, Min Ae Lee-Kirsch, Lavinia Paternoster, Mads Melbye, Juha Pekkanen, Natalia Vilor-Tejedor, Elisabeth Thiering, Carsten Oliver Schmidt, Anja Matanovic, W.H. Irwin McLean, Wenche Nystad, Carla M. T. Tiesler, Sheila J. Barton, Michiaki Kubo, Klaus Bønnelykke, Guy B. Marks, Stephan Weidinger, Deborah A. Meyers, David P. Strachan, Bjarke Feenstra, Wolfgang Lieb, Thomas Keil, Celeste Eng, Elisabeth Mangold, Christel M. Middeldorp, Cristina Venturini, Niels J. Elbert, Jouke-Jan Hottenga, Xian Bo Zuo, Georg Homuth, L. Keoki Williams, Sylvain Sebert, Maria Pino-Yanes, Mariona Bustamante, Scott T. Weiss, Donglei Hu, Allan Linneberg, Ashok Kumar, Ivan Curjuric, Johannes Waage, Joachim Heinrich, Philip J. Thompson, Johan C. de Jongste, Fernando Rivadeneira, Veronique Bataille, David M. Evans, Joyce Y. Tung, Bo Jacobsson, Natalija Novak, Sara J. Brown, Andre Franke, Medea Imboden, Lisbeth Carstensen, Maeve A. McAleer, Jordi Sunyer, Momoko Horikoshi, Hakon Hakonarson, Liesbeth Duijts, Juan R. González, Scott Huntsman, Xianyong Yin, Melanie Hotze, Niels Grarup, Carol A. Wang, Norbert Huebner, Tomomitsu Hirota, Rachel A. Myers, Milan Macek, Cilla Soederhaell, Maria M. Groen-Blokhuis, Herman T. den Dekker, Dorret I. Boomsma, Franz Rueschendorf, Deborah Jarvis, Alan D. Irvine, Sven Cichon, Manuel A. R. Ferreira, Janina S. Ried, Young-Ae Lee, Andreas Arnold, H. Baurecht, Gerard H. Koppelman, David A. Hinds, Colin F. Robertson, Liangdan Sun, Vincent W. V. Jaddoe, Dirkje S. Postma, Marjo-Riitta Järvelin, Annette Peters, John W. Holloway, Caroline L Relton, A. John Henderson, Jonas Bacelis, Psychiatry, EMGO - Musculoskeletal health, NCA - Neurobiology of mental health, Groningen Research Institute for Asthma and COPD (GRIAC), Epidemiology, Pediatrics, Internal Medicine, Erasmus MC other, Dermatology, Gastroenterology & Hepatology, Child and Adolescent Psychiatry / Psychology, Public Health, Biological Psychology, EMGO+ - Musculoskeletal Health, and Neuroscience Campus Amsterdam - Neurobiology of Mental Health

Subjects
Netherlands Twin Register (NTR), Candidate gene, T-Lymphocytes, Genome-wide association study, VARIANTS, Genome-wide association studies, EArly Genetics and Lifecourse Epidemiology (EAGLE) Eczema Consortium, Risk Factors, Ethnicity, health care economics and organizations, Genetics & Heredity, Genetics, PSORIASIS, 11 Medical And Health Sciences, Atopic dermatitis, 3. Good health, Life Sciences & Biomedicine, Dermatitis atòpica, Genetic Markers, medicine.medical_specialty, SUSCEPTIBILITY LOCI, education, Biology, Australian Asthma Genetics Consortium (AAGC), Polymorphism, Single Nucleotide, Article, Dermatitis, Atopic, GENETIC ARCHITECTURE, SDG 3 - Good Health and Well-being, Molecular genetics, medicine, Humans, FILAGGRIN, Genetic Predisposition to Disease, JAPANESE POPULATION, Genomes, METAANALYSIS, Genetic association, Science & Technology, Case-control study, Grups ètnics, INTERLEUKIN-7 RECEPTOR, 06 Biological Sciences, medicine.disease, Immunity, Innate, Genetic architecture, Genetic Loci, Genetic marker, Case-Control Studies, Immunology, ASTHMA, Genètica, Developmental Biology, Genome-Wide Association Study, INFLAMMATORY-BOWEL-DISEASE
Abstract

Genetic association studies have identified 21 loci associated with atopic dermatitis risk predominantly in populations of European ancestry. To identify further susceptibility loci for this common, complex skin disease, we performed a meta-analysis of >15 million genetic variants in 21,399 cases and 95,464 controls from populations of European, African, Japanese and Latino ancestry, followed by replication in 32,059 cases and 228,628 controls from 18 studies. We identified ten new risk loci, bringing the total number of known atopic dermatitis risk loci to 31 (with new secondary signals at four of these loci). Notably, the new loci include candidate genes with roles in the regulation of innate host defenses and T cell function, underscoring the important contribution of (auto)immune mechanisms to atopic dermatitis pathogenesis. This research was specifically funded by an MRC Population Health Scientist Fellowship awarded to Dr L Paternoster (MR/J012165/1). D.M.E. is supported by an Australian Research Council Future Fellowship (FT130101709) and a Medical Research Council program grant (MC_UU_12013/4)

Published
2015

17. Randomized placebo-controlled trial of hen's egg consumption for primary prevention in infants

Author

Veronika Schwarz, Birgit Kalb, Bodo Niggemann, Özlem Aksünger, Thomas Keil, Kirsten Beyer, Johanna Bellach, Birgit Ahrens, and Valérie Trendelenburg

Subjects
Male, medicine.medical_specialty, Immunology, Population, Egg protein, Placebo-controlled study, Placebo, 03 medical and health sciences, 0302 clinical medicine, Double-Blind Method, Egg White, Food allergy, Internal medicine, medicine, Animals, Humans, Immunology and Allergy, 030212 general & internal medicine, Egg Hypersensitivity, education, Anaphylaxis, education.field_of_study, business.industry, Egg Proteins, Infant, Immunoglobulin E, medicine.disease, Primary Prevention, Food protein-induced enterocolitis syndrome, 030228 respiratory system, Egg allergy, Female, business, Chickens, Egg white
Abstract

Background Hen's egg is the most common cause of food allergy in early childhood. Objective We investigated the efficacy and safety of early hen's egg introduction at age 4 to 6 months to prevent hen's egg allergy in the general population. Methods This randomized, placebo-controlled trial included 4- to 6-month-old infants who were not sensitized against hen's egg, as determined based on specific serum antibodies (IgE). These infants were randomized to receive either verum (egg white powder) or placebo (rice powder) added to the first weaning food 3 times a week under a concurrent egg-free diet from age 4 to 6 until 12 months. The primary outcome was sensitization to hen's egg (increased specific serum IgE levels) by age 12 months. Hen's egg allergy (secondary outcome) was confirmed by double-blind, placebo-controlled food challenges. Results Among 406 screened infants, 23 (5.7%) had hen's egg–specific IgE before randomization. Seventeen of 23 underwent subsequent double-blind, placebo-controlled food challenges, and 16 were confirmed as allergic, including 11 with anaphylactic reactions. Of the 383 nonsensitized infants (56.7% male), 184 were randomized to verum and 199 to placebo. At 12 months of age, 5.6% of the children in the verum group were hen's egg sensitized versus 2.6% in the placebo group (primary outcome; relative risk, 2.20; 95% CI, 0.68-7.14; P = .24), and 2.1% were confirmed to have hen's egg allergy versus 0.6% in the placebo group (relative risk, 3.30; 95% CI, 0.35-31.32; P = .35). Conclusion We found no evidence that consumption of hen's egg starting at 4 to 6 months of age prevents hen's egg sensitization or allergy. In contrast, it might result in frequent allergic reactions in the community considering that many 4- to 6-month-old infants were already allergic to hen's egg.

Published
2017

18. Predictive values of component-specific IgE for the outcome of peanut and hazelnut food challenges in children

Author

Monika Gappa, A. Finger, Birgit Kalb, Mandy Ziegert, M. Millner-Uhlemann, Lars Lange, N. Harandi, H. Röblitz, A. Beder, Linus Grabenhenrich, Hagen Ott, Kirsten Beyer, L. Puzzo, R. Schlags, Bodo Niggemann, S. Büsing, and M. Härtl

Subjects
Male, Arachis, Immunology, Comorbidity, Immunoglobulin E, Corylus, Food allergy, Antibody Specificity, Immunology and Allergy, Medicine, Humans, Peanut Hypersensitivity, Prospective Studies, Child, biology, business.industry, Area under the curve, Allergens, Antigens, Plant, medicine.disease, Predictive value, Multicenter study, ROC Curve, Hazelnut allergy, Child, Preschool, biology.protein, Female, business, Food Hypersensitivity
Abstract

Background Oral challenges are the gold standard in food allergy diagnostic, but time-consuming. Aim of the study was to investigate the role of peanut- and hazelnut-component-specific IgE in the diagnostics of peanut and hazelnut allergy and to identify cutoff levels to make some challenges superfluous. Methods In a prospective and multicenter study, children with suspected peanut or hazelnut allergy underwent oral challenges. Specific IgE to peanut, hazelnut, and their components (Ara h 1, Ara h 2, Ara h 3, and Ara h 8, Cor a 1, Cor a 8, Cor a 9, and Cor a 14) were determined by ImmunoCAP-FEIA. Results A total of 210 children were challenged orally with peanut and 143 with hazelnut. 43% of the patients had a positive peanut and 31% a positive hazelnut challenge. With an area under the curve of 0.92 and 0.89, respectively, Ara h 2 and Cor a 14-specific IgE discriminated between allergic and tolerant children better than peanut- or hazelnut-specific IgE. For the first time, probability curves for peanut and hazelnut components have been calculated. A 90% probability for a positive peanut or hazelnut challenge was estimated for Ara h 2-specific IgE at 14.4 kU/l and for Cor a 14-specific IgE at 47.8 kU/l. A 95% probability could only be estimated for Ara h 2 at 42.2 kU/l. Conclusions Ara h 2- and Cor a 14-specific IgE are useful to estimate the probability for a positive challenge outcome in the diagnostic work-up of peanut or hazelnut allergy making some food challenges superfluous.

Published
2014

19. Insufficient labelling of allergen traces in foodstuffs – a survey for parents of children with food allergy

Author

Birgit Kalb, Kirsten Beyer, Valérie Trendelenburg, and Johanna Bellach

Subjects
Pulmonary and Respiratory Medicine, Allergy, business.industry, Immunology, Declaration, respiratory system, medicine.disease_cause, medicine.disease, computer.software_genre, respiratory tract diseases, Allergen, immune system diseases, Food allergy, Labelling, Environmental health, Poster Presentation, otorhinolaryngologic diseases, medicine, Immunology and Allergy, Obligation, Data mining, Food allergens, business, computer
Abstract

Background Under applicable EU law, there s an obligation for declaration of the 14 most common food allergens in packed foodstuffs, even if these allergens are contained in very low amounts. Concerning the declaration of allergen traces, however, there is no legally regulated obligation. Therefore it s up to the food producers, if labelling of allergen traces takes place and how it is performed.

Published
2013

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