Results 61 to 70 of about 132,532 (337)

Advanced MRI-based evaluation of gray and white matter changes in Parkinson’s disease

open access: yesThe Egyptian Journal of Radiology and Nuclear Medicine
Background Parkinson’s disease (PD) is the most common movement disorder and the second most common neurodegenerative disease. The aim of our study was to compare gray–white matter changes (GWC) between Parkinson's disease (PD) patients and age-matched ...
Mohamed Mohsen   +4 more
doaj   +1 more source

Chronic Nicotine Selectively Enhances α4β2* Nicotinic Acetylcholine Receptors in the Nigrostriatal Dopamine Pathway [PDF]

open access: yes, 2009
These electrophysiological experiments, in slices and intact animals, study the effects of in vivo chronic exposure to nicotine on functional α4β2* nAChRs in the nigrostriatal dopaminergic (DA) pathway.
Cai, Haijiang   +5 more
core  

Olfactory‐to‐Entorhinal Network Dysrhythmias Drive Parkinson's Cognitive Impairment Through Frequency‐Specific Oscillatory Decoupling

open access: yesAdvanced Science, EarlyView.
Wang et al reveal that in the olfactory system, the selective impairment of gamma‐driven Barcode features underlying early olfactory deficits, while the selective impairment of theta‐driven Barcode features underlying later cognitive deficits, further establishing cross‐network gamma oscillations in the early stage as a biomarker of later cognitive ...
Shuaishuai Wang   +13 more
wiley   +1 more source

Absolute quantification of neuromelanin in formalin-fixed human brains using absorbance spectrophotometry.

open access: yesPLoS ONE, 2023
Parkinson's disease is characterised by a visual, preferential degeneration of the pigmented neurons in the substantia nigra. These neurons are pigmented by neuromelanin which decreases in Parkinson's disease.
Dipshay Avi Chand   +2 more
doaj   +1 more source

Behavior‐ and Cell Type‐Specific Cortico‐Striatal Decoupling in a Parkinson's Disease‐Like Mouse Model

open access: yesAdvanced Science, EarlyView.
Utilizing dual‐site fiber photometry, this study examines cortico‐striatal coupling with cell type resolution, identifying behavior‐ and cell type‐specific cortico striatal decoupling and its dopamine‐dependent mechanism in a Parkinson's disease mouse model.
Xu‐Ran Yao   +4 more
wiley   +1 more source

Human Induced Pluripotent Stem Cells Improve Stroke Outcome and Reduce Secondary Degeneration in the Recipient Brain

open access: yesCell Transplantation, 2012
Human induced pluripotent stem cells (hiPSCs) are a most appealing source for cell replacement therapy in acute brain lesions. We evaluated the potential of hiPSC therapy in stroke by transplanting hiPSC-derived neural progenitor cells (NPCs) into the ...
Jérôme Polentes   +18 more
doaj   +1 more source

COMPARISON OF LOCUS COERULEUS PATHOLOGY WITH SUBSTANTIA NIGRA PATHOLOGY IN A PROGRESSIVE MONKEY MODEL OF PARKINSON'S DISEASE [PDF]

open access: gold, 2023
Megan Carrillo Díaz De Argandoña   +7 more
openalex   +1 more source

Engineered GM1 Intersects Between Mitochondrial and Synaptic Pathways to Ameliorate ALS Pathology

open access: yesAdvanced Science, EarlyView.
Amyotrophic Lateral Sclerosis (ALS) is a fatal neurodegenerative disease driven by genetic and molecular disruptions affecting energy balance, protein homeostasis, and stress responses in nerve cells. Studies using human and rodent models identified convergent defects in mitochondria and synaptic function.
Federica Pilotto   +11 more
wiley   +1 more source

Dopaminergic neurodegeneration in the substantia nigra is associated with olfactory dysfunction in mice models of Parkinson’s disease

open access: yesCell Death Discovery, 2023
Olfactory dysfunction represents a prodromal stage in Parkinson’s disease (PD). However, the mechanisms underlying hyposmia are not specified yet.
Yu Yuan   +8 more
doaj   +1 more source

Quantitative elemental bio-imaging of Mn, Fe, Cu and Zn in 6-hydroxydopamine induced Parkinsonism mouse models [PDF]

open access: yes, 2009
This study demonstrates the application of quantitative elemental bio-imaging for the determination of the distribution Cu, Mn, Fe and Zn in Parkinsonism mouse model brains.
Bush, AI   +9 more
core   +1 more source

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