Nutrients, Vol. 17, Pages 265: Eosinophilic Esophagitis and Cow’s Milk: Mechanisms, Challenges, and Treatment Perspectives

Nutrients, Vol. 17, Pages 265: Eosinophilic Esophagitis and Cow’s Milk: Mechanisms, Challenges, and Treatment Perspectives

Nutrients doi: 10.3390/nu17020265

Authors:
Giulio Dinardo
Alessandro Fiocchi
Maria Cristina Artesani
Paola De Angelis
Francesca Rea
Renato Tambucci
Lamia Dahdah
Vincenzo Fierro
Rocco Luigi Valluzzi
Stefania Arasi
Valentina Pecora
Arianna Cafarotti
Carmen Mazzuca
Cristiana Indolfi
Michele Miraglia del Giudice
Sara Urbani

Eosinophilic esophagitis is a chronic, antigen-driven, immune-mediated disease characterized by esophageal dysfunction and significant eosinophilic infiltration. Its rising incidence and prevalence over recent decades reflect both increased clinical awareness and the influence of environmental factors such as dietary patterns and allergen exposure. Among food allergens, cow’s milk proteins are the most commonly implicated triggers, contributing to esophageal inflammation through complex immunological pathways involving both IgE-mediated and non-IgE-mediated mechanisms. Dietary elimination of cow’s milk has been shown to induce histologic remission in over 60% of pediatric patients, underscoring its pivotal role in eosinophilic esophagitis management. Despite these promising results, challenges persist, including variability in individual responses, the burden of adherence to restrictive diets, and gaps in understanding the molecular mechanisms driving cow’s milk-induced esophageal inflammation. This review examines the complex relationship between eosinophilic esophagitis and cow’s milk, focusing on its role in disease pathogenesis and management, offering insights into its therapeutic implications. Understanding the interplay between eosinophilic esophagitis and dietary allergens, particularly cow’s milk, may inform the development of targeted interventions and improve clinical outcomes for affected patients.

​Eosinophilic esophagitis is a chronic, antigen-driven, immune-mediated disease characterized by esophageal dysfunction and significant eosinophilic infiltration. Its rising incidence and prevalence over recent decades reflect both increased clinical awareness and the influence of environmental factors such as dietary patterns and allergen exposure. Among food allergens, cow’s milk proteins are the most commonly implicated triggers, contributing to esophageal inflammation through complex immunological pathways involving both IgE-mediated and non-IgE-mediated mechanisms. Dietary elimination of cow’s milk has been shown to induce histologic remission in over 60% of pediatric patients, underscoring its pivotal role in eosinophilic esophagitis management. Despite these promising results, challenges persist, including variability in individual responses, the burden of adherence to restrictive diets, and gaps in understanding the molecular mechanisms driving cow’s milk-induced esophageal inflammation. This review examines the complex relationship between eosinophilic esophagitis and cow’s milk, focusing on its role in disease pathogenesis and management, offering insights into its therapeutic implications. Understanding the interplay between eosinophilic esophagitis and dietary allergens, particularly cow’s milk, may inform the development of targeted interventions and improve clinical outcomes for affected patients. Read More

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