Parkinson mice show functional and molecular changes in the gut long before motoric disease onset

M Gries, A Christmann, S Schulte, M Weyland… - Molecular …, 2021 - Springer
Background There is increasing evidence that Parkinson's disease (PD) might start in the
gut, thus involving and compromising also the enteric nervous system (ENS). At the clinical …

Constipation, deficit in colon contractions and alpha-synuclein inclusions within the colon precede motor abnormalities and neurodegeneration in the central nervous …

L Rota, C Pellegrini, L Benvenuti, L Antonioli… - Translational …, 2019 - Springer
Background Gastrointestinal dysfunction can affect Parkinson's disease (PD) patients long
before the onset of motor symptoms. However, little is known about the relationship between …

The gut and Parkinson's disease: hype or hope?

F Scheperjans, P Derkinderen… - Journal of Parkinson's …, 2018 - content.iospress.com
In the last two decades it has become clear that Parkinson's disease (PD) is associated with
a plethora of gastrointestinal symptoms originating from functional and structural changes in …

Chronic mild gut inflammation accelerates brain neuropathology and motor dysfunction in α-synuclein mutant mice

Y Kishimoto, W Zhu, W Hosoda, JM Sen… - Neuromolecular …, 2019 - Springer
Emerging findings suggest that Parkinson's disease (PD) pathology (α-synuclein
accumulation) and neuronal dysfunction may occur first in peripheral neurons of the …

Nigral overexpression of α‐synuclein in a rat Parkinson's disease model indicates alterations in the enteric nervous system and the gut microbiome

SM O'Donovan, EK Crowley… - …, 2020 - Wiley Online Library
Background A hallmark feature of Parkinson's disease (PD) is the build‐up of α‐synuclein
protein aggregates throughout the brain; however α‐synuclein is also expressed in enteric …

Beyond the microbiota: understanding the role of the enteric nervous system in Parkinson's disease from mice to human

M Montanari, P Imbriani, P Bonsi, G Martella, A Peppe - Biomedicines, 2023 - mdpi.com
The enteric nervous system (ENS) is a nerve network composed of neurons and glial cells
that regulates the motor and secretory functions of the gastrointestinal (GI) tract. There is …

Leaky gut, dysbiosis, and enteric glia activation: the trilogy behind the intestinal origin of Parkinson's disease

L Seguella, G Sarnelli, G Esposito - Neural regeneration research, 2020 - journals.lww.com
Early diagnosis of Parkinson's disease (PD): how we can improve the therapeutic approach:
PD is a neurodegenerative disease characterized by motor dysfunctions (tremor, rigidity …

Parkinson disease and the gut: new insights into pathogenesis and clinical relevance

RA Travagli, KN Browning, M Camilleri - … Reviews Gastroenterology & …, 2020 - nature.com
The classic view portrays Parkinson disease (PD) as a motor disorder resulting from loss of
substantia nigra pars compacta dopaminergic neurons. Multiple studies, however, describe …

Inflammatory bowel disease induces pathological α‐synuclein aggregation in the human gut and brain

AM Espinosa‐Oliva, R Ruiz, MS Soto… - Neuropathology and …, 2024 - Wiley Online Library
Abstract Aims According to Braak's hypothesis, it is plausible that Parkinson's disease (PD)
originates in the enteric nervous system (ENS) and spreads to the brain through the vagus …

Alpha-synuclein transgenic mice display age-related slowing of gastrointestinal motility associated with transgene expression in the vagal system

AR Noorian, J Rha, DM Annerino, D Bernhard… - Neurobiology of …, 2012 - Elsevier
Gastrointestinal (GI) dysfunction is the one of the most common non-motor symptoms of
Parkinson's disease (PD) and occurs in nearly every patient afflicted with this common …