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Monoamine oxidase activity of the hypothalamus and pituitary: Alterations after pinealectomy, changes in photoperiod, or additions of melatonin in vitro

  • Specialia Chimica, Biochimica
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Summary

Rat pituitary MAO activity was reduced by constant darkness and by additions of melatonin in vitro and was increased by constant light and by pinealectomy. Hypothalamic MAO activity followed the same pattern but was less dramatically affected. The data suggest that MAO may be a target enzyme for melatonin.

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Author notes

  1. R. L. Urry

    Present address: The Division of Urology, The University of Rochester, School of Medicine and Dentistry, 260 Crittenden Boulevard, 14642, Rochester, New York, USA

Authors and Affiliations

  1. Department of Biology, UMC 53, Utah State University, 84322, Logan, Utah, USA

    R. L. Urry & L. C. Ellis

Authors
  1. R. L. Urry
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  2. L. C. Ellis
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Additional information

This research was sponsored by Utah State University Research Project U-300, and U.S. Atomic Energy Commission Grant No. AT(11-1)-1602.

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Urry, R.L., Ellis, L.C. Monoamine oxidase activity of the hypothalamus and pituitary: Alterations after pinealectomy, changes in photoperiod, or additions of melatonin in vitro. Experientia 31, 891–892 (1975). https://doi.org/10.1007/BF02358834

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  • DOI: https://doi.org/10.1007/BF02358834

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