Free Thyroxin Index in Normal, Melatonin-Treated and Blind Hamsters
- 1 January 1977
- journal article
- research article
- Published by Georg Thieme Verlag KG in Hormone and Metabolic Research
- Vol. 9 (03) , 231-234
- https://doi.org/10.1055/s-0028-1093543
Abstract
The administration of melatonin to young male hamsters depressed thyroxin levels, as measured by radioimmunoassay, by 38.5% of saline controls. Free thyroxin index was also significantly depressed by melatonin injections. The depression of thyroxin and free thyroxin index by melatonin injections was more effective in intact than in pinealectomized animals. Blinding of hamsters also reduced both thyroxin and free thyroxin index.Keywords
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