https://www.selleckchem.com/pr....oducts/pf-06700841.h
Development of differential and early (preclinical) diagnostics of Parkinson's disease (PD) is among the priorities in neuroscience. We searched for changes in the level of catecholamines and α-2-macroglobulin activity in the tear fluid (TF) in PD patients at an early clinical stage. It was shown that TF in patients is characterized by an increased level of noradrenaline mainly on the ipsilateral side of pronounced motor symptoms (72%, p = 0.049), a decreased level of adrenaline on both sides (ipsilateral-53%, p = 0.004; contralater
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