ArticleThe Journal of neuroscience : the official journal of the Society for Neuroscience2009
Differential corticosteroid modulation of inhibitory synaptic currents in the dorsal and ventral hippocampus.
Article in The Journal of neuroscience : the official journal of the Society for Neuroscience, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 54 papers.
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Who cites it
54 citing papers in PubMed, 124 citations in OpenAlex.
- Discrete and differentiated encoding of distinct components of spatial experience occurs within the proximodistal subfields of the dorsoventral axis of the hippocampus.Frontiers in behavioral neuroscience · 2026Article
- Excitatory glycine receptors control ventral hippocampus synaptic plasticity and anxiety-related behaviors.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- Compensatory Regulation of Excitation/Inhibition Balance in the Ventral Hippocampus: Insights from Fragile X Syndrome.Biology · 2025Review
- Mineralocorticoid Receptor Antagonists and Cognitive Outcomes in Cardiovascular Disease and Beyond: A Systematic Review.Journal of personalized medicine · 2025Review
- Reducing FKBP51 Expression in the Ventral Hippocampus Decreases Auditory Fear Conditioning in Male Rats.International journal of molecular sciences · 2024Article
- Increased Inhibition May Contribute to Maintaining Normal Network Function in the Ventral Hippocampus of a Fmr1-Targeted Transgenic Rat Model of Fragile X Syndrome.Brain sciences · 2023Article
- Dorsal-Ventral Gradient of Activin Regulates Strength of GABAergic Inhibition along Longitudinal Axis of Mouse Hippocampus in an Activity-Dependent Fashion.International journal of molecular sciences · 2023Article
- Effects of Tail Pinch on BDNF and trkB Expression in the Hippocampus of Roman Low- (RLA) and High-Avoidance (RHA) Rats.International journal of molecular sciences · 2023Article
- Rescue of sharp wave-ripples and prevention of network hyperexcitability in the ventral but not the dorsal hippocampus of a rat model of fragile X syndrome.Frontiers in cellular neuroscience · 2023Article
- Leisure-Time Television Viewing and Computer Use, Family History, and Incidence of Dementia.Neuroepidemiology · 2023Article
- Microglial diversity along the hippocampal longitudinal axis impacts synaptic plasticity in adult male mice under homeostatic conditions.Journal of neuroinflammation · 2022Article
- What the hippocampus tells the HPA axis: Hippocampal output attenuates acute stress responses via disynaptic inhibition of CRF+ PVN neurons.Neurobiology of stress · 2022Article
- Brain Trauma, Glucocorticoids and Neuroinflammation: Dangerous Liaisons for the Hippocampus.Biomedicines · 2022Review
- Regulatory effects and potential therapeutic implications of alarin in depression, and arguments on its receptor.Frontiers in psychiatry · 2022Review
- Maternal stress induced anxiety-like behavior exacerbated by electromagnetic fields radiation in female rats offspring.PloS one · 2022Article
- A CRHR1 antagonist prevents synaptic loss and memory deficits in a trauma-induced delirium-like syndrome.Molecular psychiatry · 2021Article
- Is PTSD-Phenotype Associated with HPA-Axis Sensitivity? Feedback Inhibition and Other Modulating Factors of Glucocorticoid Signaling Dynamics.International journal of molecular sciences · 2021Article
- The type of stress matters: repeated injection and permanent social isolation stress in male mice have a differential effect on anxiety- and depressive-like behaviours, and associated biological alterations.Translational psychiatry · 2020Article
- Corticosterone in the ventral hippocampus differentially alters accumbal dopamine output in drug-naïve and amphetamine-withdrawn rats.Neuropharmacology · 2020Article
- False Opposing Fear Memories Are Produced as a Function of the Hippocampal Sector Where Glucocorticoid Receptors Are Activated.Frontiers in behavioral neuroscience · 2020Article
Corrections and comments
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Authors and funding
2 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Corticosterone has been known to mediate the effects of stress on cognitive functions associated with the hippocampus. Acting at mineralocorticosteroid receptors (MRs) and glucocorticosteroid receptors (GRs), corticosterone exerts several effects in the hippocampus and elsewhere. Assuming that there are major functional differences between the dorsal hippocampus (DH) and ventral hippocampus (VH), and that these may be regulated by local interneurons, we analyzed the action of corticosterone on inhibitory synaptic currents in patch-clamped pyramidal neurons, recorded in acute slices of DH and VH. Corticosterone, through activation of MRs, reduced the frequency of spontaneous IPSCs in VH but not in DH neurons, and markedly suppressed paired-pulse facilitation of evoked inhibitory synaptic currents. These effects were mimicked by aldosterone, an MR agonist, and were blocked by an MR antagonist. In contrast, corticosterone caused an increase in the magnitude of IPSCs in both the DH and VH via its activation of GRs. This effect was mimicked by a GR agonist, dexamethasone, which produced a slow-onset, large potentiation reaching a peak within 45-60 min after onset of perfusion, and was blocked by a GR antagonist. The amplitude of mIPSCs was markedly increased by the GR agonist, indicating a synaptic locus of effect. These results indicate that corticosterone has a dual action, which may underlie the differential functional effects of stress hormones in the DH and VH.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.