Serum melatonin and pineal indoleamine metabolism in a species with a small day/night N-acetyltransferase rhythm.

@article{Namboodiri1985SerumMA,
  title={Serum melatonin and pineal indoleamine metabolism in a species with a small day/night N-acetyltransferase rhythm.},
  author={M. A. Aryan Namboodiri and David Sugden and David C. Klein and Lawrence Tamarkin and Ivan N. Mefford},
  journal={Comparative biochemistry and physiology. B, Comparative biochemistry},
  year={1985},
  volume={80 4},
  pages={731-6}
}
Ovine serum and pineal melatonin levels are low during the day, increase five to ten-fold at night, decrease during a light pulse at night, and rapidly increase to night levels following the light-dark transition. N-Acetyltransferase activity increases three-fold at night, falls significantly in response to the light pulse, but does not increase following the light pulse. No significant change in N-acetylserotonin occurs under these conditions. These results suggest that the biochemical… CONTINUE READING

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