Detection of Chlamydia and complement factors in neovascular membranes of patients with age-related macular degeneration.
Ocul Immunol Inflamm
; 21(1): 36-43, 2013.
Article
en En
| MEDLINE
| ID: mdl-23590149
ABSTRACT
PURPOSE:
To investigate whether Chlamydia pneumoniae and complement factors were present in surgically removed choroidal neovascular membranes (CNV) of patients with age-related macular degeneration (AMD).METHODS:
Paraffin sections of 26 CNV were stained for C. pneumoniae or the complement factors H (CFH) and C5, whereas macrophages were identified by positive CD68 staining. Clinical characteristics have been correlated to the immunohistochemical findings.RESULTS:
C. pneumoniae was found in 68% of the investigated membranes, and 88% of these membranes were also positive for CD68. Staining for CFH and C5 gave a positive reaction in 68 and 41% of the membranes, respectively. Patients with C5-positive membranes had significantly larger CNV mean area and were younger than patients with CFH-positive membranes at the operation time point.CONCLUSIONS:
Correlations between clinical symptoms and complement factor C5 could be shown. The results strengthen the hypothesis of an involvement of the complement system in AMD.
Texto completo:
1
Banco de datos:
MEDLINE
Asunto principal:
Infecciones Bacterianas del Ojo
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Neovascularización Retiniana
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Chlamydophila pneumoniae
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Factor H de Complemento
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Neovascularización Coroidal
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Infecciones por Chlamydophila
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Degeneración Macular
Tipo de estudio:
Diagnostic_studies
/
Prognostic_studies
Límite:
Adult
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Humans
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Male
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Middle aged
Idioma:
En
Año:
2013
Tipo del documento:
Article