Cited by 43Hypothalamic control of reproductive hormonesStress Responses and CortisolRegulation of Appetite and Obesity

Estradiol Enables Chronic Corticosterone to Inhibit Pulsatile Luteinizing Hormone Secretion and Suppress Kiss1 Neuronal Activation in Female Mice

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Kreisman, Michael J., McCosh, Richard B., Tian, Katherine, Song, Christopher I., Breen, Kellie M.·2020·Neuroendocrinology

Abstract

INTRODUCTION: Two common responses to stress include elevated circulating glucocorticoids and impaired luteinizing hormone (LH) secretion. We have previously shown that a chronic stress level of corticosterone can impair ovarian cyclicity in intact mice by preventing follicular-phase endocrine events. OBJECTIVE: This study is aimed at investigating if corticosterone can disrupt LH pulses and whether estradiol is necessary for this inhibition. METHODS: Our approach was to measure LH pulses prior to and following the administration of chronic corticosterone or cholesterol in ovariectomized (OVX) mice treated with or without estradiol, as well as assess changes in arcuate kisspeptin (Kiss1) neuronal activation, as determined by co-expression with c-Fos. RESULTS: In OVX mice, a chronic 48 h elevation in corticosterone did not alter the pulsatile pattern of LH. In contrast, corticosterone induced a robust suppression of pulsatile LH secretion in mice treated with estradiol. This suppression represented a decrease in pulse frequency without a change in amplitude. We show that the majority of arcuate Kiss1 neurons contain glucocorticoid receptor, revealing a potential site of corticosterone action. Although arcuate Kiss1 and Tac2 gene expression did not change in response to corticosterone, arcuate Kiss1 neuronal activation was significantly reduced by chronic corticosterone, but only in mice treated with estradiol. CONCLUSIONS: Collectively, these data demonstrate that chronic corticosterone inhibits LH pulse frequency and reduces Kiss1 neuronal activation in female mice, both in an estradiol-dependent manner. Our findings support the possibility that enhanced sensitivity to glucocorticoids, due to ovarian steroid milieu, may contribute to reproductive impairment associated with stress or pathophysiologic conditions of elevated glucocorticoids.

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  • The model reproduced the effects of ovarian hormone removal (OVX) and restitution (E2) on HPA and HPG axis dynamics, both under physiological conditions and under exogenous CORT excess.

    “The model reproduced the effects of ovarian hormone removal (OVX) and restitution (E2) on the HPA and HPG axes dynamics, both under physiological conditions (Seale et al., 2004b) (Figure 3) and under exogenous CORT excess (Kreisman et al., 2019) (Figure 4).”

    From Dynamic Hormone Control of Stress and Fertility (2020) · cites this paper as Kreisman et al., 2019

  • A pellet delivering a high dose of CORT over 48 h in OVX mice has no effect on LH pulsatility, whereas a significant reduction of LH pulse frequency is observed in OVX animals treated with a 17β-estradiol silastic implant (OVX + E2).

    “The study showed that a pellet delivering a high dose of CORT over 48 h in OVX mice has no effect on LH pulsatility, whereas a significant reduction of LH pulse frequency is observed in OVX animals treated with a 17β-estradiol silastic implant (OVX + E2).”

    From Dynamic Hormone Control of Stress and Fertility (2020) · cites this paper as Kreisman et al., 2019

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Research works printed but not linked: 3

  1. [29]Oakely AE: Central Inhibitory Effects of Glucocorticoids on Reproductive Function: Permissive Role of Estradiol (Doctor of Philosophy): University of Michigan, 2008, Doctor of Philosophy Dissertation,
  2. [37]Franklin KBJ, Paxinos G: Paxinos and Franklin’s The mouse brain in stereotaxic coordinates, ed Fourth edition Amsterdam, Academic Press, an imprint of Elsevier, 2013.
  3. [48]Wakabayashi Y, Nakada T, Murata K, Ohkura S, Mogi K, Navarro VM,: Neurokinin B and dynorphin A in kisspeptin neurons of the arcuate nucleus participate in generation of periodic oscillation of neural activity driving pulsatile gonadotropin-releasing hormone secretion in the goat. J Neurosci 2010; 30: 3124– 3132. 20181609 PMC6633939

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Authors
Kreisman, M. J., McCosh, R. B., Tian, K., Song, C. I., & Breen, K. M.
Affiliations
University of California System (US)
Corresponding author
Breen, Kellie M.
Venue
Neuroendocrinology
Publisher
S. Karger AG
Published
2019-08-29
Volume
110
Issue
6
Pages
501-516
ISSN
  • 0028-3835 (ISSN-L)
  • 1423-0194
OpenAlex
W2975821428
Cited by
42
References
53
Citations by year
2026: 6 · 2025: 4 · 2024: 6 · 2023: 6 · 2022: 6 · 2021: 3 · 2020: 9 · 2019: 2
FWCI
4.78
Type
journal article
Language
en
Open access
Locations
  • Neuroendocrinology (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
Eunice Kennedy Shriver National Institute of Child Health and Human Development (P50HD012303, R01HD086100, P50HD028934, F32HD096811, R24HD102061, T32HD007203)
Topics
  • Health Sciences › Medicine › Reproductive Medicine › Hypothalamic control of reproductive hormones
  • Life Sciences › Neuroscience › Behavioral Neuroscience › Stress Responses and Cortisol
  • Life Sciences › Neuroscience › Endocrine and Autonomic Systems › Regulation of Appetite and Obesity
Keywords
estradiol, corticosterone, luteinizing hormone secretion, kisspeptin neurons, glucocorticoid receptor, chronic stress, ovarian cyclicity, ovariectomy, female reproduction, glucocorticoid sensitivity, LH pulse frequency
MeSH terms
Animals, Corticosterone, Estradiol, Female, Luteinizing Hormone, Mice, Inbred C57BL, Ovariectomy, Mice, Kisspeptins

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