Functions of adult-born neurons in hippocampal memory interference and indexing

SM Miller, A Sahay - Nature neuroscience, 2019 - nature.com
The dentate gyrus–CA3 circuit of the hippocampus is continuously modified by the
integration of adult-born dentate granule cells (abDGCs). All abDGCs undergo a prolonged …

Functional optical probing of the hippocampal trisynaptic circuit in vitro: network dynamics, filter properties, and polysynaptic induction of CA1 LTP

J Stepan, J Dine, M Eder - Frontiers in neuroscience, 2015 - frontiersin.org
Decades of brain research have identified various parallel loops linking the hippocampus
with neocortical areas, enabling the acquisition of spatial and episodic memories. Especially …

Subfield-specific interneuron circuits govern the hippocampal response to novelty in male mice

T Hainmueller, A Cazala, LW Huang… - Nature …, 2024 - nature.com
The hippocampus is the brain's center for episodic memories. Its subregions, the dentate
gyrus and CA1-3, are differentially involved in memory encoding and recall. Hippocampal …

On how the dentate gyrus contributes to memory discrimination

MT van Dijk, AA Fenton - Neuron, 2018 - cell.com
The dentate gyrus (DG) is crucial for behaviorally discriminating similar spatial memories,
predicting that DG place cells change (" remap") their relative spatial tuning (" place fields") …

Unit activity of hippocampal interneurons before spontaneous seizures in an animal model of temporal lobe epilepsy

I Toyoda, S Fujita, AK Thamattoor… - Journal of …, 2015 - Soc Neuroscience
Mechanisms of seizure initiation are unclear. To evaluate the possible roles of inhibitory
neurons, unit recordings were obtained in the dentate gyrus, CA3, CA1, and subiculum of …

MYT1L haploinsufficiency in human neurons and mice causes autism-associated phenotypes that can be reversed by genetic and pharmacologic intervention

B Weigel, JF Tegethoff, SD Grieder, B Lim… - Molecular …, 2023 - nature.com
MYT1L is an autism spectrum disorder (ASD)-associated transcription factor that is
expressed in virtually all neurons throughout life. How MYT1L mutations cause neurological …

Elevation of hilar mossy cell activity suppresses hippocampal excitability and avoidance behavior

KY Wang, JW Wu, JK Cheng, CC Chen, WY Wong… - Cell Reports, 2021 - cell.com
Modulation of hippocampal dentate gyrus (DG) excitability regulates anxiety. In the DG,
glutamatergic mossy cells (MCs) receive the excitatory drive from principal granule cells …

Corticohippocampal circuit dysfunction in a mouse model of Dravet syndrome

J Mattis, A Somarowthu, KM Goff, E Jiang, J Yom… - Elife, 2022 - elifesciences.org
Dravet syndrome (DS) is a neurodevelopmental disorder due to pathogenic variants in
SCN1A encoding the Nav1. 1 sodium channel subunit, characterized by treatment-resistant …

Differential recruitment of dentate gyrus interneuron types by commissural versus perforant pathways

TT Hsu, CT Lee, MH Tai, CC Lien - Cerebral cortex, 2016 - academic.oup.com
Gamma-aminobutyric acidergic (GABAergic) interneurons (INs) in the dentate gyrus (DG)
provide inhibitory control to granule cell (GC) activity and thus gate incoming signals to the …

Multiple cannabinoid signaling cascades powerfully suppress recurrent excitation in the hippocampus

KR Jensen, C Berthoux, K Nasrallah… - Proceedings of the …, 2021 - National Acad Sciences
Recurrent excitatory neural networks are unstable. In the hippocampus, excitatory mossy
cells (MCs) receive strong excitatory inputs from dentate granule cells (GCs) and project …