Nocturnal increase in pineal melatonin production in two lemming species, Dicrostonyx hudsonius and D. groenlandicus

Russel J. Reiter, Juan M. Guerrero, Celsa Santana

Resultado de la investigación: Articlerevisión exhaustiva

9 Citas (Scopus)

Resumen

Pineal N-acetyltransferase (NAT) activity and melatonin levels and thyroxine 5′-deiodinase (5′D) activity in brown adipose tissue (BAT) were compared during the day and night in two species of lemmings, Dicrostonyx hudsonius and D. groenlandicus. In both species, NAT and melatonin exhibited significant night-time increases in the pineal gland. Thyroxine 5′D activity in BAT did not show a statistically significant day-night difference in either species of lemming, suggesting the night-time rise in melatonin does not induce a similar increase in BAT 5′D.

Idioma originalEnglish (US)
Páginas (desde-hasta)322-325
Número de páginas4
PublicaciónGeneral and Comparative Endocrinology
Volumen78
N.º2
DOI
EstadoPublished - may. 1990

ASJC Scopus subject areas

  • Animal Science and Zoology
  • Endocrinology

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