RT info:eu-repo/semantics/article T1 Epithelial barrier dysfunction in ocular allergy A1 Singh, Neera A1 Diebold Luque, María Yolanda A1 Sahu, Srikant K A1 Leonardi, Andrea K1 Oftalmología K1 Allergic conjunctivitis K1 Epithelial barrier K1 Conjuntivitis alérgica K1 Barrera epitelial K1 3201.09 Oftalmología AB The epithelial barrier is the first line of defense that forms a protective barrier against pathogens, pollutants, and allergens. Epithelial barrier dysfunction has been recently implicated in the development of allergic diseases such as asthma, atopic dermatitis, food allergy, and rhinitis. However, there is limited knowledge on epithelial barrier dysfunction in ocular allergy (OA). Since the ocular surface is directly exposed to the environment, it is important to understand the role of ocular epithelia and their dysfunction in OA. Impaired epithelial barrier enhances allergen uptake, which lead to activation of immune responses and development of chronic inflammation as seen in allergies. Abnormal expression of tight junction proteins that helps to maintain epithelial integrity has been reported in OA but sufficient data not available in chronic atopic (AKC) and vernal keratoconjunctivitis (VKC), the pathophysiology of which is not just complex, but also the current treatments are not completely effective. This review provides an overview of studies, which indicates the role of barrier dysfunction in OA, and highlights how ocular barrier dysfunction possibly contributes to the disease pathogenesis. The review also explores the potential of ocular epithelial barrier repair strategies as preventive and therapeutic approach PB Wiley SN 0105-4538 YR 2021 FD 2021 LK https://uvadoc.uva.es/handle/10324/65278 UL https://uvadoc.uva.es/handle/10324/65278 LA eng NO Allergy, 2022, vol. 77, n. 5, p. 1360–1372 NO Producción Científica DS UVaDOC RD 21-jun-2024