Fetal-maternal interactions with gluten immunogenic peptides during pregnancy: a new determinant on the coeliac exposome María de Lourdes Moreno 1 , María González-Rovira 1 , Cristina Martínez-Pancorbo 2 , María Martín-Cameán 3 , Ana María Nájar-Moyano 1 , Mercedes Romero 2 , Esther de la Hoz 2 , Cristina López-Beltrán 2 , Encarnación Mellado 1 , José Luis Bartha 3 , Peter Brodin 4 , Alfonso Rodríguez-Herrera 5 , José Luís Sainz-Bueno 6,7 , Carolina Sousa 1 * 1 Department of Microbiology and Parasitology, Faculty of Pharmacy, University of Sevilla, Sevilla, Spain 2 Obstetric and Gynecology Department, Sagrado Corazón Hospital, Seville, Spain 3 Obstetric and Gynecology Department, High Risk Pregnancy Unit, Autoimmune diseases and pregnancy clinic, University Hospital La Paz, Madrid, Spain. 4 Department of Women's and Children's Health, Karolinska Institutet, Uppsala, Sweden. 5 St. Luke's General Hospital Kilkenny & UCD School of Medicine, University College Dublin, Kilkenny, Ireland 6 Department of Obstetrics and Gynecology, Valme University Hospital, Seville, Spain. 7 Department of Obstetrics and Gynecology, University of Seville, Seville, Spain *Corresponding author Email: csoumar@us.es . CC-BY-NC-ND 4.0 International license It is made available under a is the author/funder, who has granted medRxiv a license to display the preprint in perpetuity. (which was not certified by peer review) The copyright holder for this preprint this version posted March 7, 2024. ; https://doi.org/10.1101/2024.03.05.24303658 doi: medRxiv preprint NOTE: This preprint reports new research that has not been certified by peer review and should not be used to guide clinical practice.