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| Titel: |
Constant light influences the circadian oscillations of circulatory lipid peroxidation, antioxidants and some biochemical variables in rats |
| Auteur: |
Subash, S. Subramanian, P. Sivaperumal, R. Manivasagam, T. Essa, M. Mohamed |
| Verschenen in: |
Biological rhythm research |
| Paginering: | Jaargang 37 (2006) nr. 6 pagina's 471-477 |
| Jaar: |
2006-12-01 |
| Inhoud: |
Temporal oscillations of circulatory thiobarbituric acid reactive substances (TBARS), antioxidants such as reduced glutathione (GSH), superoxide dismutase (SOD), and catalase and glucose, cholesterol, total protein and aspartate transaminase (AST) were studied under LD (12:12 h) and constant light (LL) (500 lux) conditions after exposing the animal for 21 days. Advances in the acrophase of GSH, SOD, catalase, glucose, total protein and (AST) rhythms and delays in TBARS and cholesterol were found; amplitude and mesor values of these rhythms were found to be altered during constant light treatment. The above said circadian alterations during LL exposure may be due to (1) formation of photooxidants and stress mediated lipid peroxidation, suppression of melatonin (2) modulation of neuroendocrine and neurotransmitters rhythm (3) suppression of sleep - wake cycle (4) feeding and locomotion rhythm. The exact mechanism still remains to be explored and further research needed. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
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