Novel Insights into Gonadotropin-Releasing Hormone Action in the Pituitary Gonadotrope

Jessica L. Brown; Mark Roberson

doi:10.1055/s-0037-1599084

Seminars in Reproductive Medicine, Inhaltsverzeichnis

Semin Reprod Med 2017; 35(02): 130-138
DOI: 10.1055/s-0037-1599084

Review Article

Thieme Medical Publishers 333 Seventh Avenue, New York, NY 10001, USA.

Novel Insights into Gonadotropin-Releasing Hormone Action in the Pituitary Gonadotrope

Jessica L. Brown

¹Department of Biomedical Sciences, Cornell University College of Veterinary Medicine, Ithaca, New York

,

Mark Roberson

¹Department of Biomedical Sciences, Cornell University College of Veterinary Medicine, Ithaca, New York

› Institutsangaben

Abstract

The hypothalamic-pituitary-gonadal axis controls reproduction via a series of hormones regulating gonadal function through interconnected feedback loops. Secretion of hypothalamic-derived gonadotropin-releasing hormone (GnRH) integrates inputs from higher brain centers to coordinate the activity of the pituitary gonadotrope and the biosynthesis and secretion of the gonadotropins which ultimately regulate gonadal function. Failure of GnRH to serve as the central integrator of this system has been associated with hypogonadotropic-hypogonadism and clinical infertility, while pharmacological application of GnRH analogs and gonadotropins have important implications of the treatment of such infertility. Furthermore, the GnRH–GnRH receptor system has been characterized in several types of cancer and may offer therapeutic possibilities in their treatment. Given the central role of GnRH action in the control of fertility, it is of paramount importance to understand the molecular basis of control of GnRH action in the pituitary gonadotrope, including new and novel alternate ways to modulate GnRH action and gonadotropin secretion. The goal of this review is to discuss several new findings in this field focusing on novel regulators of GnRH action.

Keywords

GnRH - gonadotropin - pituitary - signaling

Volltext

Referenzen

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