Distributed dopaminergic signaling in the basal ganglia and its relationship to motor disability in Parkinson's disease

S Zhai, Q Cui, DNV Simmons, DJ Surmeier - Current opinion in …, 2023 - Elsevier
The degeneration of mesencephalic dopaminergic neurons that innervate the basal ganglia
is responsible for the cardinal motor symptoms of Parkinson's disease (PD). It has been …

A mismatch between striatal cholinergic pauses and dopaminergic reward prediction errors

M Duhne, A Mohebi, K Kim, L Pelattini… - Proceedings of the …, 2024 - pnas.org
Striatal acetylcholine and dopamine critically regulate movement, motivation, and reward-
related learning. Pauses in cholinergic interneuron (CIN) firing are thought to coincide with …

Reduced striatal M4-cholinergic signaling following dopamine loss contributes to parkinsonian and l-DOPA–induced dyskinetic behaviors

BE Nielsen, CP Ford - Science Advances, 2024 - science.org
A dynamic equilibrium between dopamine and acetylcholine (ACh) is essential for striatal
circuitry and motor function, as imbalances are associated with Parkinson's disease (PD) …

Optogenetics in chronic neurodegenerative diseases, controlling the brain with light: A systematic review

R El Hajj, T Al Sagheer, N Ballout - Journal of Neuroscience …, 2024 - Wiley Online Library
Neurodegenerative diseases are progressive disorders characterized by synaptic loss and
neuronal death. Optogenetics combines optical and genetic methods to control the activity of …

Cognitive performance in aged rats is associated with differences in distinctive neuronal populations in the ventral tegmental area and altered synaptic plasticity in the …

C Sagheddu, T Stojanovic, S Kouhnavardi… - Frontiers in aging …, 2024 - frontiersin.org
Introduction Deterioration of cognitive functions is commonly associated with aging,
although there is wide variation in the onset and manifestation. Albeit heterogeneity in age …

Chemogenetic inhibition of the lateral hypothalamus effectively reduces food intake in rats in a translational proof-of-concept study

P Kovács, T Kitka, ZK Bali, LV Nagy, A Bodó… - Scientific Reports, 2024 - nature.com
Despite the therapeutic potential of chemogenetics, the method lacks comprehensive
preclinical validation, hindering its progression to human clinical trials. We aimed to validate …

The Orbitofrontal Cortex to Striatal Cholinergic Interneuron Circuit Controls Cognitive Flexibility Sha** Alcohol-Seeking Behavior

J Li, Y Zhou, F Yin, Y Du, J Xu, S Fan, Z Li, X Wang… - Biological …, 2024 - Elsevier
Background A top-down neuronal circuit from the orbitofrontal cortex (OFC) to the
dorsomedial striatum (DMS) appears to be critical for cognitive flexibility. However, how OFC …

Functional pathology of neuroleptic-induced dystonia based on the striatal striosome-matrix dopamine system in humans

S Goto - Journal of Neurology, Neurosurgery & Psychiatry, 2025 - jnnp.bmj.com
Neuroleptic-induced dystonia is a source of great concern in clinical practice because of its
iatrogenic nature which can potentially lead to life-threatening conditions. Since all …

State-dependent modulation of spiny projection neurons controls levodopa-induced dyskinesia in a mouse model of Parkinson's disease

S Zhai, Q Cui, D Wokosin, L Sun, T Tkatch… - bioRxiv, 2025 - biorxiv.org
In the later stages of Parkinson's disease (PD), patients often manifest levodopa-induced
dyskinesia (LID), compromising their quality of life. The pathophysiology underlying LID is …

M4-mediated cholinergic transmission is reduced in parkinsonian mice and its restoration alleviates motor deficits and levodopa-induced dyskinesia

BE Nielsen, CP Ford - bioRxiv, 2023 - biorxiv.org
The dynamic equilibrium between dopamine (DA) and acetylcholine (ACh) in the dorsal
striatum is thought to be essential for motor function, as imbalances in their levels are …