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Circulating levels of mannose-binding lectin (MBL) in age-related macular degeneration / Níveis circulantes da lectina ligadora de manose (MBL) na degeneração macular relacionada à idade
Pradella, Fernando M; Nisihara, Renato; Sato, Mario T; Grandinetti, Alexandre A; Novello, Sergio B; Pires, Marcelo; Schebelski, Diego; Messias-Reason, Iara.
  • Pradella, Fernando M; Universidade Federal do Paraná. Department of Ophthalmology. Curitiba. BR
  • Nisihara, Renato; Universidade Federal do Paraná. Immunopathology Molecular Laboratory. Curitiba. BR
  • Sato, Mario T; Universidade Federal do Paraná. Department of Ophthalmology. Curitiba. BR
  • Grandinetti, Alexandre A; Universidade Federal do Paraná. Department of Ophthalmology. Curitiba. BR
  • Novello, Sergio B; Universidade Federal do Paraná. Department of Ophthalmology. Curitiba. BR
  • Pires, Marcelo; Universidade Federal do Paraná. Department of Ophthalmology. Curitiba. BR
  • Schebelski, Diego; Universidade Federal do Paraná. Department of Ophthalmology. Curitiba. BR
  • Messias-Reason, Iara; Universidade Federal do Paraná. Department of Ophthalmology. Curitiba. BR
Arq. bras. oftalmol ; 81(2): 120-124, Mar.-Apr. 2018. tab, graf
Article in English | LILACS | ID: biblio-950436
ABSTRACT
ABSTRACT

Purpose:

To assess whether the serum levels of mannose-binding lectin of the lectin complement pathway are associated with age-related macular degeneration.

Methods:

Patients with age-related macular degeneration and age-matched controls underwent full ophthalmologic examination and optical coherence tomography. Using a time-resolved immunofluorometric assay, blood samples were evaluated to determine the serum mannose-binding lectin levels.

Results:

A total of 136 individuals were evaluated, including 68 patients with age-related macular degeneration (34 exudative and 34 nonexudative) and 68 age-matched controls. The median mannose-binding lectin level was 608 ng/mL (range, 30-3,415 ng/mL) in patients with age-related macular degeneration and 739 ng/mL (range, 30-6,039 ng/mL) in controls, with no difference between the groups. Additionally, the median mannose-binding lectin level was 476 ng/mL (range, 30-3,415 ng/mL) in exudative cases and 692 ng/mL (range, 30-2,587 ng/mL) in nonexudative cases.

Conclusions:

Serum mannose-binding lectin levels were not associated with age-related macular degeneration or with the exudative and nonexudative forms of the disease.
RESUMO
RESUMO

Objetivos:

Avaliar se as concentrações séricas da lectina ligante de manose da via das lectinas do sistema complemento estão associadas à degeneração macular relacionada à idade.

Métodos:

Pacientes com degeneração macular relacionada à idade a controles pareados realizaram exame oftalmológico completo e imagens de tomografia de coerência óptica. As concentrações de lectina ligante de manose foram aferidas em amostras de sangue pelo método "time-resolved Immunofluorometric assay".

Resultados:

Um total de 136 indivíduos foram avaliados incluindo 68 com degeneração macular relacionada à idade (34 exsudativa e 34 não-exsudativa) e 68 controles. Concentrações medianas de lectina ligante de ma-nose foram 608 ng/mL (30-3,415 ng/mL) nos casos e 739 ng/mL (30-6,039 ng/mL) nos controles, não havendo diferença entre os grupos. Comparando degeneração macular relacionada a idade exsudativa (mediana de lectina ligante de manose 476 ng/mL; 30-3,415 ng/mL) e não-exsudativa (692 ng/mL; 30-2,587 ng/mL) também não apresentaram diferença.

Conclusões:

Concentrações séricas de lectina ligante de manose não estão relacionadas à degeneração macular relacionada a idade ou às formas exsudativa e não-exsudativa.
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Mannose-Binding Lectin / Macular Degeneration Type of study: Etiology study / Observational study / Risk factors Limits: Aged / Aged80 / Female / Humans / Male Language: English Journal: Arq. bras. oftalmol Journal subject: Ophthalmology Year: 2018 Type: Article Affiliation country: Brazil Institution/Affiliation country: Universidade Federal do Paraná/BR

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Full text: Available Index: LILACS (Americas) Main subject: Mannose-Binding Lectin / Macular Degeneration Type of study: Etiology study / Observational study / Risk factors Limits: Aged / Aged80 / Female / Humans / Male Language: English Journal: Arq. bras. oftalmol Journal subject: Ophthalmology Year: 2018 Type: Article Affiliation country: Brazil Institution/Affiliation country: Universidade Federal do Paraná/BR