... erection and a copulatory test were performed. Results: RS exposure decreased the circulatory levels of gonadotropins and testosterone while increasing the serum corticosterone level. RS exposure altered the histomorphology of the penis by decreasing the smooth muscle/collagen ratio and increasing...

..., instructions or products referred to in the content or advertisements. The HPG is composed of hypothalamic neuropeptides, neurotransmitters, and neurosteroids that regulate the synthesis and secretion of gonadotropin-releasing hormone (GnRH), the final central pathway regulating pituitary luteinizing...

... of episodic luteinizing hormone (LH) release. The resultant LH hypersecretion, likely the product of accelerated episodic release of gonadotropin-releasing hormone (GnRH) from the median eminence of the hypothalamus, hyperstimulates ovarian theca cell steroidogenesis, enabling testosterone (T...

... years. Whilst a primary testicular deficit occurs, hypothalamic or pituitary dysregulation may also coexist. This study aimed to compare the hypothalamic response to kisspeptin-54 and the pituitary response to gonadotropin-releasing hormone (GnRH) of older men with those of young men. Methods: Following...

... Kiss1 Gonadotropins Sex steroids National Institutes of Health (NIH) 10.13039/100000002 Fetuses and newborns are exposed to gonadal steroids derived from their mother, their own gonads, and synthesized locally in their brains. Estradiol (E 2 ), from aromatization of testosterone...

.... Catecholamines Cannabinoids Prolactin Gonadotropins Corticotropins Adrenal steroids Prolactin and Lactation Neuroendocrinology 1995;61:714-721 Femando Rodríguez de Fomeca0 María Angeles Villanúab Raúl M. Muñozb Olivia San-Martin-Clarkc Miguel Navarroa Instituto Complutense de Drogodependencias...

...Sabine Leonhardt; Jae Young Seong; Kyungjin Kim; Yara Thorun; Wolfgang Wuttke; Hubertus Jarry γ-Aminobutyric acid (GABA) exerts an inhibitory action on gonadotropin-releasing hormone (GnRH) release from the hypothalamus. In vivo, this inhibitory action appears to be mediated via the GABA A receptor...

... levels during the first hour of stress, as compared to rats pretreated with vehicle alone. Stress Glucocorticoids Luteinizing hormone Adrenal steroids Gonadotropins Glucocorticoid antagonists Gonadotropins and Reproduction Neuroendocrinology 1995;61:638 645 Karen P. Briski Keith L. Vogel...

.... 3 05 1995 17 07 1995 9 4 2008 Gonadal steroids Gamma-aminobutyric acid Giutamic acid decarboxylase Gonadotropins Preoptic area © 1995 S. Karger AG, Basel 1995 Copyright / Drug Dosage / Disclaimer Copyright: All rights reserved. No part of this publication may...

...Philip M. Heyward; Iain J. Clarke Episodic release of luteinizing hormone (LH) by the pituitary gland is controlled by hypothalamic gonadotropin-releasing hormone (GnRH). In the period leading up to the preovulatory surge of LH, estrogen increases the number of pituitary receptors for GnRH...

... to in the content or advertisements. Corticotropin-releasing hormone Excitatory amino acids Opiate peptides N-Methyl-D-aspartate Gonadotropins Gonadal steroids IM p » endocrinology Gonadotropins Neuroendocrinology 1997;65:141 146 Received: M ay 23, 1996 Accepted after revision: September 5, 1996...

.... Nitric oxide Folliculo-stellate cells Cyclic GMP Gonadotropins Gonadotropin-releasing hormone Gonadotropes [pfeyro -endocrinology Gonadotropins Neuroendocrinology 1997;65:147-156 Received: July 12. 1996 Accepted after revision: October 1. 1996 Kaoru Yamada3 Zhi-Qing Xu* Xu Zhanga Lars Gustafsson...

... of gonadotropin secretion that occurs during the afternoon of proestrus. This so-called positive feedback of gonadotropins is developmentally determined. It is present in female rats and absent in males. To confirm the role of the estrogen-induced synaptic retraction in positive feedback, we tested whether...

... (molecules more glycosylated) of the secreted LH by acting directly at translation and distal glycosylation level. Gonadotropins GnRH Glycosylation Gonadotropes 2 01 1996 1 08 1996 9 4 2008 © 1996 S. Karger AG, Basel 1996 Copyright / Drug Dosage / Disclaimer Copyright: All...

... or property resulting from any ideas, methods, instructions or products referred to in the content or advertisements. Nitric oxide Nitric oxide synthase Gonadotropins Sex steroids Antisense oligonucleotides -endocrinology Regulation of Gonadotropins and Prolactin Neuroendocrinology 1996;64:449...

... Glycoproteins Gonadotropins Gonadal steroids Antiandrogens © 1996 S. Karger AG, Basel 1996 Copyright / Drug Dosage / Disclaimer Copyright: All rights reserved. No part of this publication may be translated into other languages, reproduced or utilized in any form or by any means, electronic...

...Tamás Ördög; Ming-Dao Chen; Masugi Nishihara; Martin A. Connaughton; Jason R. Goldsmith; Ernst Knobil The pulsatile secretion of luteinizing hormone (LH), occasioned by the pulsatile release of gonadotropin-releasing hormone (GnRH), is closely associated with concurrent increases in multiunit...

... and the editor(s) disclaim responsibility for any injury to persons or property resulting from any ideas, methods, instructions or products referred to in the content or advertisements. Gonadotropins γ-Aminobutyric acid Corticotropin Corticotropin-releasing hormone Stress Alprazolam Hypoglycemia...

... whether this difference in organization would distinctly influence the secretion of gonadotropin. Both parts of the MPA were electrochemically stimulated on the day of proestrus in freely behaving rats bearing chronic implanted electrodes. An anodic direct current of 100 µA was delivered for 40 s at 11.00...

... of male rats has been shown to increase plasma ACTH [8] and suppress plasma LH levels [16]. Furthermore, intracerebroventricular THC administration increases hypotha­ lamic content of gonadotropin-releasing hormone (GnRH) [17] and decreases CRH concentrations in the medial basal hypothalamus of male rats...