Light-induced changes in frog pineal gland N-acetyltransferase activity.

  title={Light-induced changes in frog pineal gland N-acetyltransferase activity.},
  author={J H Lee and Chi Feng Hung and Chin Chin Ho and Simon H. Chang and Yongjie Lai and Jing Gung Chung},
  journal={Neurochemistry international},
  volume={31 4},
N-Acetyltransferase (NAT) activity was determined in the pineal gland of frogs (Rana tigrina) of different ages using 2-aminofluorene and p-aminobenzoic acid as substrates, and assayed by high-pressure liquid chromatography. Frogs of different ages were either killed during the light phase or exposed to darkness or light for 1 min during the dark phase of the lighting cycle, then returned to their cages in darkness for 30 min before being killed. The pineal gland NAT activity of 1-month-old… CONTINUE READING

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