نتایج جستجو برای: phenoconversion
تعداد نتایج: 71 فیلتر نتایج به سال:
Neurocognitive decline, including deficits in motor learning, occurs in the presymptomatic phase of Huntington's disease (HD) and precedes the onset of motor symptoms. Findings from recent neuroimaging studies have linked these deficits to alterations in fronto-striatal and fronto-parietal brain networks. However, little is known about the temporal dynamics of these networks when subjects appro...
BACKGROUND Idiopathic REM sleep behavior disorder is a prodromal stage of Parkinson's disease and dementia with Lewy bodies. Hyposmia, reduced dopamine transporter binding, and expression of the brain metabolic PD-related pattern were each associated with increased risk of conversion to PD. The objective of this study was to study the relationship between the PD-related pattern, dopamine transp...
OBJECTIVE Olfactory impairment is a potential marker for impending phenoconversion to Parkinson disease (PD) that may precede the development of disease by several years. Because of low specificity, it may be of greater predictive value in those with genetic mutations and its potential as a marker for developing LRRK2 PD should be evaluated. METHODS We examined olfactory identification in 126...
The mechanisms underlying persistent fibroblast activation and myofibroblast phenoconversion in underlying multi-organ fibrosis in systemic sclerosis (SSc) remain incompletely understood, hindering effective therapies to slow or reverse the process. Cyclin-dependent kinase 5 (CDK5) is a pleiotropic member of the CDK family originally identified in neuronal cells. In contrast to other CDKs, CDK5...
The term “fibroblast” designates a highly heterogenous group of cells that exhibit distinct differentiated phenotypes in different organs.1 The study of fibroblast and myofibroblast biology in specific organs is an important but relatively understudied area, especially in the heart. Recent novel data indicate that ventricular fibroblast activation and cardiac fibrosis are primary events in vent...
Abstract Introduction Introduction: Rapid eye movement (REM) sleep behavior disorder (RBD) is strongly associated with progressive phenoconversion to an overt synucleinopathy (e.g., parkinsonism). Neurotrauma [i.e., traumatic brain injury (TBI) and posttraumatic stress (PTSD)], increases the odds of RBD diagnosis by ~2.5-fold increased later Parkinson’s Disease (PD), a service-connected illness...
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