Tissue Remodeling in Ocular Mucous Membrane Pemphigoid
Purpose: Ocular mucous membrane pemphigoid (OcMMP) is a rare eye disease characterized by relapsing-remitting or persisting long-lasting inflammatory events associated with progressive scarring. Despite long-term immunomodulating therapy, abnormal fibrosis keeps worsening in patients with OcMMP. This study investigates the fibrotic process in patients with OcMMP, as well as the critical role of the epithelium in modulating the local fibrosis.
Methods: In this prospective, observational pilot study, patients affected by long-lasting OcMMP were compared with age- and gender-matched healthy controls. Clinical grading was assessed, and conjunctival biopsy and impression cytology were performed. Conjunctival samples were used for quantifying the expression of transcripts regulating the inflammatory and fibrogenic processes.
Results: Ocular surface clinical and functional markers worsened in patients with OcMMP with fibrotic disease progression. In more advanced disease stages, both impression cytologies and conjunctival biopsies revealed increased tissue remodeling and profibrotic markers (α-SMA and TGF-β), and decreased levels of inflammatory markers (I-CAM1, IL-10, and IL-17). Increased epithelial expression of profibrotic markers and histological changes were detected.
Conclusions: Chronic OcMMP is characterized by a progressive, aberrant self-sustaining fibrotic process that worsens clinical signs and symptoms. Conjunctival epithelial cells may transdifferentiate into myofibroblast-like phenotypes when chronically exposed to high levels of inflammation, as in the case of OcMMP. Tissue remodeling markers in OcMMP could be used as early diagnostic, prognostic, and therapeutic biomarkers, harvested in a non-invasive and painless procedure such as impression cytologies.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:64 |
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| Enthalten in: |
Investigative ophthalmology & visual science - 64(2023), 15 vom: 01. Dez., Seite 17 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Di Zazzo, Antonio [VerfasserIn] |
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| Anmerkungen: |
Date Completed 31.01.2024 Date Revised 31.01.2024 published: Print Citation Status MEDLINE |
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| doi: |
10.1167/iovs.64.15.17 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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NLM365866032 |
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| 500 | |a published: Print | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a Purpose: Ocular mucous membrane pemphigoid (OcMMP) is a rare eye disease characterized by relapsing-remitting or persisting long-lasting inflammatory events associated with progressive scarring. Despite long-term immunomodulating therapy, abnormal fibrosis keeps worsening in patients with OcMMP. This study investigates the fibrotic process in patients with OcMMP, as well as the critical role of the epithelium in modulating the local fibrosis | ||
| 520 | |a Methods: In this prospective, observational pilot study, patients affected by long-lasting OcMMP were compared with age- and gender-matched healthy controls. Clinical grading was assessed, and conjunctival biopsy and impression cytology were performed. Conjunctival samples were used for quantifying the expression of transcripts regulating the inflammatory and fibrogenic processes | ||
| 520 | |a Results: Ocular surface clinical and functional markers worsened in patients with OcMMP with fibrotic disease progression. In more advanced disease stages, both impression cytologies and conjunctival biopsies revealed increased tissue remodeling and profibrotic markers (α-SMA and TGF-β), and decreased levels of inflammatory markers (I-CAM1, IL-10, and IL-17). Increased epithelial expression of profibrotic markers and histological changes were detected | ||
| 520 | |a Conclusions: Chronic OcMMP is characterized by a progressive, aberrant self-sustaining fibrotic process that worsens clinical signs and symptoms. Conjunctival epithelial cells may transdifferentiate into myofibroblast-like phenotypes when chronically exposed to high levels of inflammation, as in the case of OcMMP. Tissue remodeling markers in OcMMP could be used as early diagnostic, prognostic, and therapeutic biomarkers, harvested in a non-invasive and painless procedure such as impression cytologies | ||
| 650 | 4 | |a Observational Study | |
| 650 | 4 | |a Journal Article | |
| 700 | 1 | |a Cutrupi, Francesco |e verfasserin |4 aut | |
| 700 | 1 | |a De Antoniis, Maria Grazia |e verfasserin |4 aut | |
| 700 | 1 | |a Ricci, Milena |e verfasserin |4 aut | |
| 700 | 1 | |a Esposito, Graziana |e verfasserin |4 aut | |
| 700 | 1 | |a Antonini, Marco |e verfasserin |4 aut | |
| 700 | 1 | |a Coassin, Marco |e verfasserin |4 aut | |
| 700 | 1 | |a Micera, Alessandra |e verfasserin |4 aut | |
| 700 | 1 | |a Perrella, Eleonora |e verfasserin |4 aut | |
| 700 | 1 | |a Bonini, Stefano |e verfasserin |4 aut | |
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