[HTML][HTML] Chemogenetic activation of astrocytes in the basolateral amygdala contributes to fear memory formation by modulating the amygdala–prefrontal cortex …

Z Lei, L Xie, CH Li, YY Lam, AS Ramkrishnan… - International Journal of …, 2022 - mdpi.com
The basolateral amygdala (BLA) is one of the key brain areas involved in aversive learning,
especially fear memory formation. Studies of aversive learning in the BLA have largely …

[HTML][HTML] Fear conditioning downregulates Rac1 activity in the basolateral amygdala astrocytes to facilitate the formation of fear memory

Z Liao, Y Tao, X Guo, D Cheng, F Wang… - Frontiers in molecular …, 2017 - frontiersin.org
Astrocytes are well known to scale synaptic structural and functional plasticity, while the role
in learning and memory, such as conditioned fear memory, is poorly elucidated. Here, using …

Basolateral amygdala astrocytes are engaged by the acquisition and expression of a contextual fear memory

RL Suthard, RA Senne, MD Buzharsky… - Journal of …, 2023 - Soc Neuroscience
Astrocytes are key cellular regulators within the brain. The basolateral amygdala (BLA) is
implicated in fear memory processing, yet most research has entirely focused on neuronal …

Retrieval of conditioned fear activates the basolateral and intercalated nucleus of amygdala

T Izumi, S Boku, W Shinmin, T Inoue… - Journal of …, 2011 - Wiley Online Library
The amygdala is one of the crucial brain structures for conditioned fear, in which conditioned
stimuli are received by the basolateral nucleus of the amygdala (BLA), inducing a fear …

Disrupted prediction error links excessive amygdala activation to excessive fear

A Sengupta, B Winters, EE Bagley… - Journal of …, 2016 - Soc Neuroscience
Basolateral amygdala (BLA) is critical for fear learning, and its heightened activation is
widely thought to underpin a variety of anxiety disorders. Here we used chemogenetic …

Rac1 signaling in amygdala astrocytes regulates fear memory acquisition and retrieval

XC Fan, CN Ma, JC Song, ZH Liao, N Huang, X Liu… - Neuroscience …, 2021 - Springer
The importance of astrocytes in behavior control is increasingly appreciated, but little is
known about the effects of their dynamic activity in regulating learning and memory. In the …

Hippocampal dendritic spines remodeling and fear memory are modulated by GABA ergic signaling within the basolateral amygdala complex

M Giachero, GD Calfa, VA Molina - Hippocampus, 2015 - Wiley Online Library
GABAergic signaling in the basolateral amygdala complex (BLA) plays a crucial role on the
modulation of the stress influence on fear memory. Moreover, accumulating evidence …

Basolateral amygdala connectivity with subgenual anterior cingulate cortex represents enhanced fear-related memory encoding in anxious humans

Y Hakamata, S Mizukami, S Izawa, Y Moriguchi… - Biological Psychiatry …, 2020 - Elsevier
Background The amygdala can enhance emotional memory encoding as well as
anxiogenesis via corticotropin-releasing factor neurons. However, the amygdala's explicit …

[HTML][HTML] ASIC-dependent LTP at multiple glutamatergic synapses in amygdala network is required for fear memory

PH Chiang, TC Chien, CC Chen, Y Yanagawa… - Scientific reports, 2015 - nature.com
Genetic variants in the human ortholog of acid-sensing ion channel-1a subunit (ASIC1a)
gene are associated with panic disorder and amygdala dysfunction. Both fear learning and …

[HTML][HTML] Activation of astrocytes in hippocampus decreases fear memory through adenosine A1 receptors

Y Li, L Li, J Wu, Z Zhu, X Feng, L Qin, Y Zhu, L Sun… - Elife, 2020 - elifesciences.org
Astrocytes respond to and regulate neuronal activity, yet their role in mammalian behavior
remains incompletely understood. Especially unclear is whether, and if so how, astrocyte …