PloS one, 2013-09, Vol.8 (9), p.e75937-e75937
2013
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- Autor(en) / Beteiligte
- Titel
- Conjunctival inflammation in thrombospondin-1 deficient mouse model of Sjögren's syndrome
- Ist Teil von
- PloS one, 2013-09, Vol.8 (9), p.e75937-e75937
- Ort / Verlag
- United States: Public Library of Science
- Erscheinungsjahr
- 2013
- Quelle
- Free E-Journal (出版社公開部分のみ）
- Beschreibungen/Notizen
- Lacrimal gland inflammation during autoimmune Sjögren's syndrome (SS) leads to ocular surface inflammation - Keratoconjunctivitis sicca (KCS). This condition afflicts both the cornea and conjunctiva that form the ocular surface. Thrombospondin-1 (TSP-1) deficiency in mice results in lacrimal gland and corneal inflammation that resembles the human disease. In this study we report conjunctival pathology in this mouse model of SS. We found that TSP-1 null mice develop inflammation in the conjunctiva and associated loss of goblet cell function similar to that seen in patients with SS. Increased expression of Th1 (IFN-γ, TNF-α) and Th17 (IL-6, IL-17A) inflammatory cytokines and related transcription factors (Tbet and RORγt) were detected in TSP-1 null conjunctiva as well as their draining lymph nodes (LNs). The conjunctival inflammation was also accompanied by an increase in local lymphatic vessels. Interestingly, migration of antigen-bearing dendritic cells (DCs) from the ocular surface to the LNs was dependent on the TSP-1 available in the tissue. These results not only reveal potential immunopathogenic mechanisms underlying KCS in SS but also highlight the therapeutic potential of TSP-1.
- Sprache
- Englisch
- Identifikatoren
- ISSN: 1932-6203eISSN: 1932-6203DOI: 10.1371/journal.pone.0075937Titel-ID: cdi_plos_journals_1435431174
- Format
- –
- Schlagworte
- Animals, Antigens, Cell Movement - immunology, Chemokines, Conjunctiva, Conjunctiva - pathology, Cornea, Cytokines, Cytokines - immunology, Dendritic cells, Dendritic Cells - physiology, Disease, Disease Models, Animal, DNA Primers - genetics, Enzyme-Linked Immunosorbent Assay, Flow Cytometry, Helper cells, Humans, Immunohistochemistry, Inflammation, Interferon, Interleukin 6, Keratoconjunctivitis, Lacrimal gland and Nasolacrimal duct, Lymph nodes, Lymph Nodes - immunology, Lymphatic system, Lymphocytes, Lymphocytes T, Medical schools, Mice, Mice, Inbred C57BL, Real-Time Polymerase Chain Reaction, Rodents, Sjogren's syndrome, Sjogren's Syndrome - metabolism, Sjogren's Syndrome - pathology, Thrombospondin, Thrombospondin 1 - deficiency, Transcription factors, Tumor necrosis factor-α, γ-Interferon