The ovarian circadian clock: a secondhand of the clock on the reproductive physiology

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Published: Jun 1, 2017
DOI: https://doi.org/10.21933/J.EDSC.2016.10.183

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Cinthia Rocío Juárez Tapia
Facultad de Ciencias, UNAM
Manuel Miranda Anaya
Facultad de Ciencias, UNAM

Abstract

To secure reproductive success, mammals require the establishment of several physiological and behavioral processes, as well as the involvement of environmental signals. During reproduction, females secrete a number of different hormones to induce an optimal ovulation for a potential fertilization. These events are presented rhythmically and are linked to the circadian regulation.

The suprachiasmatic nucleus (SCN) in the hypothalamus is considered the master clock of circadian rhythms in mammals, it affects neural and endocrine manner on several physiological systems daily. Reproductive physiology is coordinated by SCN connections with other hypothalamic areas, which are responsible for the release of the hormones involved in the hypothalamic-pituitary-gonads axis (HPG).

This review will address the communication between the circadian system and the HPG axis in the regulation of the estrous cycle, with a particular emphasis on the recent discovery of the role of the ovary as a peripheral circadian oscillator in rodents.

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How to Cite
Juárez Tapia, C. R., & Miranda Anaya, M. (2017). The ovarian circadian clock: a secondhand of the clock on the reproductive physiology. Entreciencias: Diálogos En La Sociedad Del Conocimiento, 4(10). https://doi.org/10.21933/J.EDSC.2016.10.183
Author Biographies

Cinthia Rocío Juárez Tapia, Facultad de Ciencias, UNAM

Maestra en Ciencias. Unidad de adscripción: Posgrado en Ciencias Biológicas de la UNAM. Facultad de Ciencias. Estudiante candidata a doctora del posgrado en Ciencias Biológicas (Biología Experimental) de la Universidad Nacional Autónoma de México (UNAM). Sus líneas de investigación son: Neurobiología de ritmos circadianos y su relación con el fotoperiodo y la fisiología reproductiva. 

Manuel Miranda Anaya, Facultad de Ciencias, UNAM

Doctor en Ciencias. Profesor Titular C de la Unidad Multidisciplinaria de Docencia e Investigación, Facultad de Ciencias, Campus Juriquilla, Querétaro, UNAM. Sus líneas de investigación son: Neurobiología de ritmos circadianos y su relación con problemas ecológicos y de la salud. 

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