Results 51 to 60 of about 53,685 (285)

Modulation of the TGF‐β/Smad Signaling Pathway by a Bioactive Oxidized Polygonati Rhizoma Polysaccharide Crosslinked Chitosan Hydrogel as Therapeutic Carrier for Parkinson's Disease Treatment

open access: yesAdvanced Science, EarlyView.
An injectable, self‐healing COPRP hydrogel integrates structurally defined oxidized Polygonati rhizoma polysaccharide with carboxymethyl chitosan through dynamic Schiff‐base crosslinking. The bioactive matrix scavenges reactive oxygen species, suppresses neuroinflammation, protects dopaminergic neurons, and supports sustained levodopa release.
Peng Dai   +10 more
wiley   +1 more source

Bacteria‐Derived 1‐Allylpiperazine Alleviates Symptoms of Parkinson's Disease Model by Promoting Autophagy

open access: yesAdvanced Science, EarlyView.
Parkinson's disease currently has no disease‐modifying therapies. In Caenorhabditis elegans, Escherichia coli E8 alleviates α‐synuclein‐provoked PD‐related defects through its bioactive metabolite 1‐ALPP, which combats PD by triggering AMPK/mTOR/HLH‐30‐dependent autophagy and suppressing α‐synuclein LLPS‐mediated fibrillization.
Mingqin Qu   +12 more
wiley   +1 more source

The role of gut microbiota tyrosine decarboxylases in levodopa pharmacokinetics: insights from a levodopa challenge test

open access: yesBMC Neurology
Background The gut microbiota is known to influence levodopa metabolism in the intestinal tract, primarily through the action of tyrosine decarboxylase, an enzyme encoded by the tyrosine decarboxylase gene (tyrDC). However, the effect of the abundance of
Yukun Feng   +5 more
doaj   +1 more source

Levodopa acts centrally to induce an antinociceptive action against colonic distension through activation of D2 dopamine receptors and the orexinergic system in the brain in conscious rats

open access: yesJournal of Pharmacological Sciences, 2016
Levodopa possesses antinociceptive actions against several somatic pain conditions. However, we do not know at this moment whether levodopa is also effective to visceral pain.
Toshikatsu Okumura   +5 more
doaj   +1 more source

Pharmacokinetics and safety/efficacy of levodopa pro-drug ONO-2160/carbidopa for Parkinson's disease

open access: yeseNeurologicalSci, 2018
We conducted a phase I study investigating the efficacy, safety, and tolerability of ONO-2160, a newly developed levodopa pro-drug, and carbidopa compared with levodopa and carbidopa to stabilize levodopa plasma concentration fluctuations in Japanese ...
Masahiro Nomoto   +7 more
doaj   +1 more source

H4K12 Lactylation Impairs Dopaminergic Neuron Energy Metabolism via the HIF‐1α/NDUFS1 Pathway in Parkinson's Disease

open access: yesAdvanced Science, EarlyView.
Lactate and H4K12la are elevated in Parkinson's disease. Mechanistically, p300‐mediated H4K12la enrichment at the HIF‐1α promoter upregulates HIF‐1α, which represses Ndufs1, impairing mitochondrial respiration and energy homeostasis in DA neurons.
Yingyao Liu   +15 more
wiley   +1 more source

Severe Headbanging Responsive to Levodopa in a Child With FOXP1 Syndrome

open access: yesAmerican Journal of Medical Genetics Part A, EarlyView.
ABSTRACT We report a 9‐year‐old female with FOXP1 syndrome due to a de novo in‐frame deletion in the FOXP1 gene. The child has a severe neurodevelopmental disorder including global developmental delay and autism spectrum disorder. At age 2, she developed severe headbanging, which was progressive and did not respond to multidisciplinary, behavioral ...
Pamela Veale   +2 more
wiley   +1 more source

Effects of on Levodopa Pharmacokinetics

open access: yesJournal of Parkinson’s Disease, 2021
Background: Infection with Helicobacter pylori seems overrepresented in Parkinson’s disease. Clinical observations suggest a suboptimal treatment effect of levodopa in Helicobacter positive patients. Objective: Describe and explain the connection between
Dag Nyholm, Per M. Hellström
doaj   +1 more source

Understanding the Pattern of Cognitive Decline in GBA1‐Related Parkinson's Disease: An Exploratory Longitudinal Multi‐Cohort Study

open access: yesAnnals of Neurology, EarlyView.
Objective People with Parkinson's disease (PD) who carry a pathogenic GBA1 variant (PDGBA1) are at higher risk of cognitive impairment than those without the variant (PDGBA1_wildtype). To date, little is known about the pattern and evolution of cognitive decline in PDGBA1. This multicenter study characterized the cognitive profile of PDGBA, focusing on
Merle Bode   +345 more
wiley   +1 more source

Prediction of First and Recurrent Falls in Parkinson's Disease

open access: yesAnnals of Neurology, EarlyView.
Objective To develop and externally validate prediction models for next‐year falls in Parkinson's disease (PD), and to evaluate the incremental value of imaging and fluid biomarkers. Methods We developed models in Parkinson's Progression Markers Initiative (PPMI) to predict next‐year falls with external validation in University of Pennsylvania (UPenn ...
Joaquin A. Vizcarra   +13 more
wiley   +1 more source

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