Neuromodulator regulation and emotions: insights from the crosstalk of cell signaling

D Tsuboi, T Nagai, J Yoshimoto… - Frontiers in Molecular …, 2024 - frontiersin.org
The unraveling of the regulatory mechanisms that govern neuronal excitability is a major
challenge for neuroscientists worldwide. Neurotransmitters play a critical role in maintaining …

Phosphorylation signals downstream of dopamine receptors in emotional behaviors: association with preference and avoidance

X Zhang, D Tsuboi, Y Funahashi, Y Yamahashi… - International journal of …, 2022 - mdpi.com
Dopamine regulates emotional behaviors, including rewarding and aversive behaviors,
through the mesolimbic dopaminergic pathway, which projects dopamine neurons from the …

Signal flow in the NMDA receptor–dependent phosphoproteome regulates postsynaptic plasticity for aversive learning

Y Funahashi, RU Ahammad, X Zhang, E Hossen… - Science …, 2024 - science.org
Structural plasticity of dendritic spines in the nucleus accumbens (NAc) is crucial for learning
from aversive experiences. Activation of NMDA receptors (NMDARs) stimulates Ca2+ …

Phosphoproteomic of the acetylcholine pathway enables discovery of the PKC-β-PIX-Rac1-PAK cascade as a stimulatory signal for aversive learning

Y Yamahashi, YH Lin, A Mouri, S Iwanaga… - Molecular …, 2022 - nature.com
Acetylcholine is a neuromodulator critical for learning and memory. The cholinesterase
inhibitor donepezil increases brain acetylcholine levels and improves Alzheimer's disease …

Dopamine drives neuronal excitability via KCNQ channel phosphorylation for reward behavior

D Tsuboi, T Otsuka, T Shimomura, MO Faruk… - Cell Reports, 2022 - cell.com
Dysfunctional dopamine signaling is implicated in various neuropsychological disorders.
Previously, we reported that dopamine increases D1 receptor (D1R)-expressing medium …

Rho-Kinase/ROCK phosphorylates PSD-93 downstream of NMDARs to orchestrate synaptic plasticity

E Hossen, Y Funahashi, MO Faruk… - International journal of …, 2022 - mdpi.com
The N-methyl-D-aspartate receptor (NMDAR)-mediated structural plasticity of dendritic
spines plays an important role in synaptic transmission in the brain during learning and …

Donepezil as a new therapeutic potential in KCNQ2-and KCNQ3-related autism

A Nissenkorn, L Bar, A Ben-Bassat… - Frontiers in Cellular …, 2024 - frontiersin.org
Introduction The KCNQ2/KCNQ3 genes encode the voltage-gated K channel underlying the
neuronal M-current, regulating neuronal excitability. Loss-of-function (LoF) variants cause …

Neuroproteomic mapping of kinases and their substrates downstream of acetylcholine: finding and implications

Y Yamahashi, D Tsuboi, Y Funahashi… - Expert Review of …, 2023 - Taylor & Francis
Introduction Since the emergence of the cholinergic hypothesis of Alzheimer's disease (AD),
acetylcholine has been viewed as a mediator of learning and memory. Donepezil improves …

Kv7 channel opener retigabine reduces self‐administration of cocaine but not sucrose in rats

ES Urena, CC Diezel, M Serna, G Hala'ufia… - Addiction …, 2024 - Wiley Online Library
The increasing rates of drug misuse highlight the urgency of identifying improved
therapeutics for treatment. Most drug‐seeking behaviours that can be modelled in rodents …