Oxidatieve stress in ogen door straling mobiele telefoon
dinsdag, 08 mei 2007 - Categorie: Onderzoeken
Gepubliceerd in: Curr Eye Res. 2007 Jan;32(1):21-5.
Effects of mobile phones on oxidant/antioxidant balance in cornea and lens of rats.
Balci M, Devrim E, Durak I.
Ankara Oncology Hospital. Ankara. Turkey.
PURPOSE: To investigate the effects of mobile-phone-emitted radiation on the oxidant/antioxidant balance in corneal and lens tissues and to observe any protective effects of vitamin C in this setting. METHODS: Forty female albino Wistar rats were assigned to one of four groups containing 10 rats each. One group received a standardized daily dose of mobile phone radiation for 4 weeks. The second group received this same treatment along with a daily oral dose of vitamin C (250 mg/kg). The third group received this dose of vitamin C alone, while the fourth group received standard laboratory care and served as a control. In corneal and lens tissues, malondialdehyde (MDA) levels and activities of superoxide dismutase (SOD), glutathione peroxidase (GSH-Px), and catalase (CAT) were measured with spectrophotometric methods. RESULTS: In corneal tissue, MDA level and CAT activity significantly increased in the mobile phone group compared with the mobile phone plus vitamin C group and the control group (p < 0.05), whereas SOD activity was significantly decreased (p < 0.05). In the lens tissues, only the MDA level significantly increased in the mobile phone group relative to mobile phone plus vitamin C group and the control groups (p < 0.05). In lens tissue, significant differences were not found between the groups in terms of SOD, GSH-Px, or CAT (p > 0.05). CONCLUSIONS: The results of this study suggest that mobile telephone radiation leads to oxidative stress in corneal and lens tissues and that antioxidants such as vitamin C can help to prevent these effects.
PMID: 17364731 PubMed - indexed for MEDLINE
Lees verder in de categorie Onderzoeken | Terug naar homepage | Lees de introductie