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Official clinical guidance from the Movement Disorder Society providing an evidence-based biological definition, staging system, and classification framework for Parkinson's disease. This statement establishes standardized diagnostic and prognostic criteria for specialists managing the condition.
This longitudinal study tracked 258 newly diagnosed Parkinson's disease patients over five years, identifying three cognitive trajectory groups: cognitively normal, remitting decline, and progressive decline. Progressive cognitive decline was associated with depression, REM sleep behavior disorder, older age, lower education, elevated neurofilament biomarkers, and accelerated hippocampal volume loss, while remitting decline showed intermediate outcomes and olfactory dysfunction.
Researchers developed a screening tool to improve timely referral of Parkinson's disease patients to specialized centers for device-aided therapies, based on analysis of 259 patients across 8 hospitals. The tool identified response fluctuations and dyskinesias as key predictors and outperformed existing 5-2-1 referral criteria in clinical decision-making.
This research explores metabotropic glutamate receptors (mGluRs) as potential therapeutic targets for managing Parkinson's disease symptoms. The approach focuses on modulating glutamatergic signaling pathways to address motor dysfunction and neurodegeneration associated with the condition.
This preclinical study examined how intermittent theta-burst stimulation (iTBS), a noninvasive brain stimulation technique, modulates astrocyte function and glutamate homeostasis in a rat model of Parkinson's disease. Results showed iTBS improved striatal astrocyte responses, restored glutamate transporter function, and enhanced motor recovery, suggesting astrocyte modulation contributes to iTBS therapeutic effects.