Suprachiasmatic injection of a vasopressin antagonist modifies the circadian rhythm of food intake

V. Reghunandanan; R. D. Badgaiyan; R. K. Marya; B. K. Maini

doi:10.1016/S0163-1047(87)90905-8

Suprachiasmatic injection of a vasopressin antagonist modifies the circadian rhythm of food intake

V. Reghunandanan, R. D. Badgaiyan, R. K. Marya, B. K. Maini

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Abstract

To study the effect on the circadian feeding rhythm, injections of AVP and its antagonist were made into the suprachiasmatic nuclei (SCN) of rats after implanting cannulae into the bilateral SCN. Injections of arginine vasopressin (AVP) antagonist at the beginning of the light and dark phases disrupted the circadian rhythm of food intake while injections of AVP during the beginning of the light or dark phase did not disrupt the circadian rhythm. It may be concluded that endogenous vasopressin has a modulatory role in the mediation of the circadian feeding rhythm at SCN.

Original language	English (US)
Pages (from-to)	344-351
Number of pages	8
Journal	Behavioral and Neural Biology
Volume	48
Issue number	3
DOIs	https://doi.org/10.1016/S0163-1047(87)90905-8
State	Published - Nov 1987
Externally published	Yes

ASJC Scopus subject areas

Physiology

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abstract = "To study the effect on the circadian feeding rhythm, injections of AVP and its antagonist were made into the suprachiasmatic nuclei (SCN) of rats after implanting cannulae into the bilateral SCN. Injections of arginine vasopressin (AVP) antagonist at the beginning of the light and dark phases disrupted the circadian rhythm of food intake while injections of AVP during the beginning of the light or dark phase did not disrupt the circadian rhythm. It may be concluded that endogenous vasopressin has a modulatory role in the mediation of the circadian feeding rhythm at SCN.",

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AU - Reghunandanan, V.

AU - Badgaiyan, R. D.

AU - Marya, R. K.

AU - Maini, B. K.

PY - 1987/11

Y1 - 1987/11

N2 - To study the effect on the circadian feeding rhythm, injections of AVP and its antagonist were made into the suprachiasmatic nuclei (SCN) of rats after implanting cannulae into the bilateral SCN. Injections of arginine vasopressin (AVP) antagonist at the beginning of the light and dark phases disrupted the circadian rhythm of food intake while injections of AVP during the beginning of the light or dark phase did not disrupt the circadian rhythm. It may be concluded that endogenous vasopressin has a modulatory role in the mediation of the circadian feeding rhythm at SCN.

AB - To study the effect on the circadian feeding rhythm, injections of AVP and its antagonist were made into the suprachiasmatic nuclei (SCN) of rats after implanting cannulae into the bilateral SCN. Injections of arginine vasopressin (AVP) antagonist at the beginning of the light and dark phases disrupted the circadian rhythm of food intake while injections of AVP during the beginning of the light or dark phase did not disrupt the circadian rhythm. It may be concluded that endogenous vasopressin has a modulatory role in the mediation of the circadian feeding rhythm at SCN.

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JO - Behavioral and Neural Biology

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Suprachiasmatic injection of a vasopressin antagonist modifies the circadian rhythm of food intake

Abstract

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