Goblet Cells Contribute to Ocular Surface Immune Tolerance-Implications for Dry Eye Disease

Conjunctival goblet cell (GC) loss in dry eye is associated with ocular surface inflammation. This study investigated if conjunctival GCs contribute to ocular surface immune tolerance. Antigens applied to the ocular surface, imaged by confocal microscopy, passed into the conjunctival stroma through...

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Veröffentlicht in:International journal of molecular sciences 2017-05, Vol.18 (5), p.978
Hauptverfasser: Barbosa, Flavia L, Xiao, Yangyan, Bian, Fang, Coursey, Terry G, Ko, Byung Yi, Clevers, Hans, de Paiva, Cintia S, Pflugfelder, Stephen C
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container_issue 5
container_start_page 978
container_title International journal of molecular sciences
container_volume 18
creator Barbosa, Flavia L
Xiao, Yangyan
Bian, Fang
Coursey, Terry G
Ko, Byung Yi
Clevers, Hans
de Paiva, Cintia S
Pflugfelder, Stephen C
description Conjunctival goblet cell (GC) loss in dry eye is associated with ocular surface inflammation. This study investigated if conjunctival GCs contribute to ocular surface immune tolerance. Antigens applied to the ocular surface, imaged by confocal microscopy, passed into the conjunctival stroma through goblet cell associated passages (GAPs) in wild type C57BL/6 (WT), while ovalbumin (OVA) was retained in the epithelium of SAM pointed domain containing ETS transcription factor ( ) knockout mice ( / ) that lack GCs and are a novel model of dry eye. Stimulated GC degranulation increased antigen binding to GC mucins. Induction of tolerance to topically applied OVA measured by cutaneous delayed type hypersensitivity (DTH) was observed in WT, but not / . OTII CD4⁺ T cells primed by dendritic cells (DCs) from the conjunctival draining lymph nodes of / had greater IFN-γ production and lower Foxp3 positivity than those primed by WT DCs. These findings indicate that conjunctival GCs contribute to ocular surface immune tolerance by modulating antigen distribution and antigen specific immune response. GC loss may contribute to the abrogation of ocular surface immune tolerance that is observed in dry eye.
doi_str_mv 10.3390/ijms18050978
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These findings indicate that conjunctival GCs contribute to ocular surface immune tolerance by modulating antigen distribution and antigen specific immune response. GC loss may contribute to the abrogation of ocular surface immune tolerance that is observed in dry eye.</abstract><cop>Switzerland</cop><pub>MDPI AG</pub><pmid>28475124</pmid><doi>10.3390/ijms18050978</doi><orcidid>https://orcid.org/0000-0002-9057-5494</orcidid><oa>free_for_read</oa></addata></record>
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source MDPI - Multidisciplinary Digital Publishing Institute; MEDLINE; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; PubMed Central
subjects Animals
Antibodies - metabolism
Antigens
Binding
CD4 antigen
CD4-Positive T-Lymphocytes - immunology
Confocal microscopy
Conjunctiva - cytology
Conjunctiva - immunology
Degranulation
Dendritic cells
Dendritic Cells - immunology
Dry Eye Syndromes - genetics
Dry Eye Syndromes - immunology
Drying
Epithelium
ETS protein
Eye
Eye diseases
Female
Forkhead Transcription Factors - genetics
Forkhead Transcription Factors - metabolism
Foxp3 protein
Goblet cells
Goblet Cells - immunology
Hypersensitivity (delayed)
Immune system
Immune Tolerance
Immunity (Disease)
Immunological tolerance
Interferon
Interferon-gamma - genetics
Interferon-gamma - metabolism
Lymph nodes
Lymphocytes
Lymphocytes T
Mice
Mice, Inbred C57BL
Microscopy
Mucin
Mucins - metabolism
Ovalbumin
Ovalbumin - metabolism
Proto-Oncogene Proteins c-ets - genetics
Rodents
Stroma
title Goblet Cells Contribute to Ocular Surface Immune Tolerance-Implications for Dry Eye Disease
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