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Abstract:

The occurrence of diurnal rhythmicity in tissue norepinephrine (NE), epinephrine (E) and dopamine (DA) levels of rat thyroid and submaxillary glands was assessed in animals killed at eight time intervals during a 24 hour period. In both tissues significant peak values of NE content were found at the third hour of dark onset (at 23:00 h). Additionally a minimum of NE content of thyroid gland was apparent in rats killed at the fifth hour of photophase (at 11:00 h). As in the case of NE, peak values of E content were found during the scotophase in both tissues examined. In contrast, DA levels exhibited no diurnal rhythmicity in the rat thyroid gland, and an early rise at the beginning of the photophase in the submaxillary glands. These results support an activation of the sympathetic nervous system innervating the thyroid and submaxillary glands at the beginning of the scotophase. Tissue DA levels do not resemble the activity of peripheral sympathetic nerves in the tissues examined. © 1988 Springer Verlag.

Registro:

Documento: Artículo
Título:24 Hour changes in catecholamine content of rat thyroid and submaxillary glands
Autor:Barontini, M.; Romeo, H.E.; Armando, I.; Cardinali, D.P.
Filiación:Centro de Investigaciones Endocrinológicas, Buenos Aires, Argentina
Centro de Estudios Farmacológicos y de Principios Naturales, Buenos Aires, Argentina
Palabras clave:24 h rhythm; dopamine; epinephrine; norepinephrine; submaxillary glands; Superior cervical ganglion; thyroid; adrenalin; dopamine; noradrenalin; animal cell; animal experiment; circadian rhythm; controlled study; male; nonhuman; rat; submandibular gland; superior cervical ganglion; thyroid gland; Animal; Catecholamines; Circadian Rhythm; Male; Rats; Rats, Inbred Strains; Submandibular Gland; Support, Non-U.S. Gov't; Thyroid Gland
Año:1988
Volumen:71
Número:3
Página de inicio:189
Página de fin:194
DOI: http://dx.doi.org/10.1007/BF01245712
Título revista:Journal of Neural Transmission
Título revista abreviado:J. Neural Transmission
ISSN:03009564
CODEN:JNTRF
CAS:adrenalin, 51-43-4, 55-31-2, 6912-68-1; dopamine, 51-61-6, 62-31-7; noradrenalin, 1407-84-7, 51-41-2; Catecholamines
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_03009564_v71_n3_p189_Barontini

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Citas:

---------- APA ----------
Barontini, M., Romeo, H.E., Armando, I. & Cardinali, D.P. (1988) . 24 Hour changes in catecholamine content of rat thyroid and submaxillary glands. Journal of Neural Transmission, 71(3), 189-194.
http://dx.doi.org/10.1007/BF01245712
---------- CHICAGO ----------
Barontini, M., Romeo, H.E., Armando, I., Cardinali, D.P. "24 Hour changes in catecholamine content of rat thyroid and submaxillary glands" . Journal of Neural Transmission 71, no. 3 (1988) : 189-194.
http://dx.doi.org/10.1007/BF01245712
---------- MLA ----------
Barontini, M., Romeo, H.E., Armando, I., Cardinali, D.P. "24 Hour changes in catecholamine content of rat thyroid and submaxillary glands" . Journal of Neural Transmission, vol. 71, no. 3, 1988, pp. 189-194.
http://dx.doi.org/10.1007/BF01245712
---------- VANCOUVER ----------
Barontini, M., Romeo, H.E., Armando, I., Cardinali, D.P. 24 Hour changes in catecholamine content of rat thyroid and submaxillary glands. J. Neural Transmission. 1988;71(3):189-194.
http://dx.doi.org/10.1007/BF01245712