The threshold theory for Parkinson's disease

S Engelender, O Isacson - Trends in neurosciences, 2017 - cell.com
Parkinson's disease (PD) is recognized by the accumulation of α-synuclein within neurons.
In contrast to the current ascending theory where α-synuclein would propagate from neuron …

Can Parkinson's disease pathology be propagated from one neuron to another?

CJR Dunning, JF Reyes, JA Steiner, P Brundin - Progress in neurobiology, 2012 - Elsevier
Parkinson's disease is the second most prevalent neurodegenerative disease, yet despite
this, very little is known about the underlying cellular mechanisms. Initially it was thought to …

Motor and non-motor circuit disturbances in early Parkinson disease: which happens first?

J Blesa, G Foffani, B Dehay, E Bezard… - Nature Reviews …, 2022 - nature.com
For the last two decades, pathogenic concepts in Parkinson disease (PD) have revolved
around the toxicity and spread of α-synuclein. Thus, α-synuclein would follow caudo-rostral …

Synuclein deposition and non-motor symptoms in Parkinson disease

KA Jellinger - Journal of the neurological sciences, 2011 - Elsevier
Parkinson disease (PD) is a multisystem neurodegenerative disorder clinically characterized
by motor and non-motor (NM) symptoms. The causes of NM symptoms in PD, many of which …

Evidence for dopaminergic axonal degeneration as an early pathological process in Parkinson's disease

GW O'Keeffe, AM Sullivan - Parkinsonism & Related Disorders, 2018 - Elsevier
Parkinson's disease is a common neurodegenerative disorder presenting with a variety of
motor and non-motor symptoms. The motor symptoms manifest as a result of the progressive …

The 200-year journey of Parkinson disease: Reflecting on the past and looking towards the future

S Fahn - Parkinsonism & related disorders, 2018 - Elsevier
It took almost 100 years before a meaningful advance occurred in any basic science
understanding of Parkinson disease (PD) following James Parkinson's description in 1817 …

Evolving basic, pathological and clinical concepts in PD

LV Kalia, AE Lang - Nature Reviews Neurology, 2016 - nature.com
Important advances in Parkinson disease (PD) in 2015 included a revision of its clinical
diagnostic criteria and a proposal for research criteria defining prodromal PD. Research …

Proposal for a biologic staging system of Parkinson's disease

LM Chahine, K Merchant, A Siderowf… - Journal of …, 2023 - content.iospress.com
The Parkinson's disease (PD) research field has seen the advent of several promising
biomarkers and a deeper understanding of the clinical features of the disease from the …

Linking α-synuclein-induced synaptopathy and neural network dysfunction in early Parkinson's disease

AS Kulkarni, MR Burns, P Brundin… - Brain …, 2022 - academic.oup.com
The prodromal phase of Parkinson's disease is characterized by aggregation of the
misfolded pathogenic protein α-synuclein in select neural centres, co-occurring with non …

Clinical progression in Parkinson disease and the neurobiology of axons

HC Cheng, CM Ulane, RE Burke - Annals of neurology, 2010 - Wiley Online Library
Despite tremendous growth in recent years in our knowledge of the molecular basis of
Parkinson disease (PD) and the molecular pathways of cell injury and death, we remain …