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Phenylethanolamine-N-methyl transferase activity in the ground squirrel (Citellus citellus)

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Résumé

L'activité de la phényléthanolamine-N-méthyltransférase (PNMT) a été mesurée dans l'homogénat des surrénales chez le Spermophile, soit actif, exposé aux températures extérieures de 20–25 °C ou de 6–8 °C, soit réveillé pendant l'hibernation. Chez les animaux actifs, l'effet du PNMT a été le plus faible. Une augmentation significative de l'activité enzymatique a été constatée chez les animaux actifs maintenus à la température de 6–8°C (p<0.001). L'activité du PNMT diminue immédiatement chez les Spermophiles réveillés pendant leur hibernation et ceci par rapport aux animaux actifs maintenus à la même température extérieure (p<0.01).

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Authors and Affiliations

  1. Faculty of Sciences and Biological, Institute of Physiology, Beograd, Yugoslavia

    V. M. Petrović, D. Grippois, V. Janić & J. Roffi

  2. Laboratory of Endocrinology, University of Paris XI, F-91405, Orsay, France

    V. M. Petrović, D. Grippois, V. Janić & J. Roffi

Authors
  1. V. M. Petrović
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  2. D. Grippois
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  3. V. Janić
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  4. J. Roffi
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Petrović, V.M., Grippois, D., Janić, V. et al. Phenylethanolamine-N-methyl transferase activity in the ground squirrel (Citellus citellus). Experientia 29, 876–877 (1973). https://doi.org/10.1007/BF01946339

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  • DOI: https://doi.org/10.1007/BF01946339

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