Cited by 436Estrogen and related hormone effectsNeurotransmitter Receptor Influence on BehaviorNeuroendocrine regulation and behavior

Novel Actions of Estrogen Receptor-β on Anxiety-Related Behaviors

Lund, Trent D., Rovis, Tomislav, Chung, Wilson C. J., Handa, Robert J.·2005·Endocrinology

Abstract

Estrogens are reported to have both anxiogenic and anxiolytic properties. This dichotomous neurobiological response to estrogens may be mediated by the existence of two distinct estrogen receptor (ER) systems, ERalpha and ERbeta. In brain, ERalpha plays a critical role in regulating reproductive neuroendocrine function, whereas ERbeta may be more important in regulating nonreproductive functions. To determine whether estrogen's anxiolytic actions could be mediated by ERbeta, we examined anxiety-related behaviors after treatment with ER subtype-selective agonists. Ovariectomized female rats, divided into four treatment groups, were injected with the selective ERbeta agonist diarylpropionitrile (DPN), the ERalpha-selective agonist propyl-pyrazole-triol (PPT), 17beta-estradiol, or vehicle daily for 4d. After injections, behavior was monitored in the elevated plus maze or open field. Rats treated with DPN showed significantly decreased anxiety-related behaviors in both behavioral paradigms. In the elevated plus maze, DPN significantly increased the number of open arm entries and time spent on the open arms of the maze. Furthermore, DPN significantly reduced, whereas PPT increased, anxiogenic behaviors such as the number of fecal boli and time spent grooming. In the open field, DPN-treated females made more rears, interacted more with a novel object, and spent more time in the middle of the open field than did control or PPT-treated rats. To confirm that DPN's anxiolytic actions a…

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Crossref · 10.1210/en.2004-1158

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  • ERβ in the PVN and associated structures, including the BnST, plays a fundamental role in mediating motivational and anxiety-related behaviors.

    “Although the functional role of limbic ERβ remains ambiguous, ERβ in the PVN and associated structures, including the BnST, plays a fundamental role in mediating motivational and anxiety-related behaviors (134–136).”

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Authors
Lund, T. D., Rovis, T., Chung, W. C. J., & Handa, R. J.
Affiliations
Colorado State University (US)
Corresponding author
Lund, Trent D.
Venue
Endocrinology
Published
2005-02
Volume
146
Issue
2
Pages
797-807
ISSN
  • 0013-7227 (ISSN-L)
  • 1945-7170
OpenAlex
W2162934389
Cited by
436
References
0
Citations by year
2026: 5 · 2025: 8 · 2024: 20 · 2023: 13 · 2022: 19 · 2021: 16 · 2020: 14 · 2019: 10 · 2018: 34 · 2017: 17 · 2016: 18 · 2015: 18 · 2014: 20 · 2013: 29 · 2012: 25
FWCI
11.07
Type
journal article
Language
en
Open access
closed
Locations
  • Endocrinology (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Institute of Neurological Disorders and Stroke (R01NS039951)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Estrogen and related hormone effects
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
  • Social Sciences › Psychology › Social Psychology › Neuroendocrine regulation and behavior
Keywords
estrogen receptor beta, anxiety-like behavior, diarylpropionitrile, propyl pyrazole triol, estradiol, tamoxifen, elevated plus maze, open field, ovariectomized rats, estrogen receptor alpha
MeSH terms
Animals, Anxiety, Behavior, Animal, Binding, Competitive, Blood-Brain Barrier, Brain, Fear, Female, Male, Nitriles, Phenols, Propionates, Pyrazoles, Receptors, Progesterone, Uterus, Up-Regulation, Rats, Sprague-Dawley, Estrogen Receptor alpha, Estrogen Receptor beta, Rats

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