Pathophysiology of L-dopa-induced motor and non-motor complications in Parkinson's disease

MF Bastide, WG Meissner, B Picconi, S Fasano… - Progress in …, 2015 - Elsevier
Involuntary movements, or dyskinesia, represent a debilitating complication of levodopa (L-
dopa) therapy for Parkinson's disease (PD). L-dopa-induced dyskinesia (LID) are ultimately …

Compensatory mechanisms in Parkinson's disease: circuits adaptations and role in disease modification

J Blesa, I Trigo-Damas, M Dileone, NLG Del Rey… - Experimental …, 2017 - Elsevier
The motor features of Parkinson's disease (PD) are well known to manifest only when striatal
dopaminergic deficit reaches 60–70%. Thus, PD has a long pre-symptomatic and pre-motor …

[HTML][HTML] Cell type-specific plasticity of striatal projection neurons in parkinsonism and L-DOPA-induced dyskinesia

T Fieblinger, SM Graves, LE Sebel, C Alcacer… - Nature …, 2014 - nature.com
The striatum is widely viewed as the fulcrum of pathophysiology in Parkinson's disease (PD)
and L-DOPA-induced dyskinesia (LID). In these disease states, the balance in activity of …

[HTML][HTML] Striatal Neurons Expressing D1 and D2 Receptors are Morphologically Distinct and Differently Affected by Dopamine Denervation in Mice

D Gagnon, S Petryszyn, MG Sanchez, C Bories… - Scientific reports, 2017 - nature.com
The loss of nigrostriatal dopamine neurons in Parkinson's disease induces a reduction in the
number of dendritic spines on medium spiny neurons (MSNs) of the striatum expressing D1 …

[HTML][HTML] Presynaptic Mechanisms of l-DOPA-Induced Dyskinesia: The Findings, the Debate, and the Therapeutic Implications

MA Cenci - Frontiers in neurology, 2014 - frontiersin.org
The dopamine (DA) precursor l-DOPA has been the most effective treatment for Parkinson's
disease (PD) for over 40 years. However, the response to this treatment changes with …

[HTML][HTML] The thalamostriatal system in normal and diseased states

Y Smith, A Galvan, TJ Ellender, N Doig… - Frontiers in systems …, 2014 - frontiersin.org
Because of our limited knowledge of the functional role of the thalamostriatal system, this
massive network is often ignored in models of the pathophysiology of brain disorders of …

[HTML][HTML] Striatal glutamatergic hyperactivity in Parkinson's disease

F Campanelli, G Natale, G Marino, V Ghiglieri… - Neurobiology of …, 2022 - Elsevier
Glutamatergic hyperactivity in the nucleus striatum, the main basal ganglia input, has been
involved in the progression of Parkinson's disease (PD) and the onset of L-Dopa-induced …

Dopaminergic modulation of striatal networks in health and Parkinson's disease

DJ Surmeier, SM Graves, W Shen - Current opinion in neurobiology, 2014 - Elsevier
Highlights•Spiny projection neurons do not just differ in their expression of dopamine
receptors.•The signaling mechanisms controlling synaptic plasticity are diverse.•Cholinergic …

[HTML][HTML] 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 …

L-DOPA oppositely regulates synaptic strength and spine morphology in D1 and D2 striatal projection neurons in dyskinesia

LM Suarez, O Solis, C Aguado, R Lujan… - Cerebral …, 2016 - academic.oup.com
Dopamine depletion in Parkinson's disease (PD) produces dendritic spine loss in striatal
medium spiny neurons (MSNs) and increases their excitability. However, the synaptic …