Eye lens color: formation and function.
Science
; 171(3973): 807-9, 1971 Feb 26.
Article
em En
| MEDLINE
| ID: mdl-5549305
ABSTRACT
Aromatic amino acids are photooxidized by near-ultraviolet light to colored products that are bound very tightly to protein amino groups. The resulting colored proteins absorb near-ultraviolet light more strongly and are rendered more hydrophobic than the untreated compounds, and they fluoresce at 440 nanometers when excited at 360 nanometers. Coloration in the lenses of diurnally active animals (including man) may be caused by this reaction, and senile cataracts may result. Such changes in many other proteins (as in the skin and retina) could lead to more serious consequences.
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Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Pigmentos Biológicos
/
Raios Ultravioleta
/
Proteínas do Olho
/
Cristalino
Tipo de estudo:
Etiology_studies
Limite:
Animals
Idioma:
En
Revista:
Science
Ano de publicação:
1971
Tipo de documento:
Article