Dietary supplement enriched in antioxidants and omega-3 promotes retinal glutamine synthesis.
Exp Eye Res
; 245: 109964, 2024 Aug.
Article
em En
| MEDLINE
| ID: mdl-38851478
ABSTRACT
To prevent ocular pathologies, new generation of dietary supplements have been commercially available. They consist of nutritional supplement mixing components known to provide antioxidative properties, such as unsaturated fatty acid, resveratrol or flavonoids. However, to date, few data evaluating the impact of a mixture mainly composed of those components (Nutrof Total®) on the retina are available. Only one in-vivo preclinical study demonstrated that dietary supplementation (DS) prevents the retina from light-induced retinal degeneration; and only one in-vitro study on Müller cells culture showed that glutamate metabolism cycle was key in oxidative stress response. Therefore, we raised the question about the in-vivo effect of DS on glutamate metabolism in the retina. Herein, we showed that the dietary supplementation promotes in-vivo increase of retinal glutamine amount through a higher glutamine synthesis as observed in-vitro on Muller cells. Therefore, we can suggest that the promotion of glutamine synthesis is part of the protective effect of DS against retinal degeneration, acting as a preconditioning mechanism against retinal degeneration.
Palavras-chave
Texto completo:
1
Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Retina
/
Degeneração Retiniana
/
Ácidos Graxos Ômega-3
/
Suplementos Nutricionais
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Glutamina
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Antioxidantes
Limite:
Animals
Idioma:
En
Revista:
Exp Eye Res
Ano de publicação:
2024
Tipo de documento:
Article
País de afiliação:
França
País de publicação:
ENGLAND
/
ESCOCIA
/
GB
/
GREAT BRITAIN
/
INGLATERRA
/
REINO UNIDO
/
SCOTLAND
/
UK
/
UNITED KINGDOM