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Associations between frailty and cognitive impairment in Parkinson´s disease: a cross-sectional study.
Aging Clin Exp Res
January 2025
Instituto de Neurociencias del Principado de Asturias (INEUROPA), University of Oviedo, Oviedo, 33003, Spain.
Background: The presence of frailty is common in people with Parkinson's disease, as is cognitive dysfunction. Previous research on frailty has focused on the physical aspects of the pathology.
Aims: To analyze the relationship between frailty and cognitive impairment in patients with Parkinson's disease and to know which disease characteristics are associated with frailty.
Basic Science and Pathogenesis.
Alzheimers Dement
December 2024
University of Exeter, Exeter, Devon, United Kingdom.
Background: Huntington's disease (HD) is an autosomal dominant condition causing severe neurodegeneration in the striatum and the entorhinal cortex (EC). An epigenome wide association study of DNA methylation in HD by our group, identified potential hypomethylation at the PTGDS gene in the striatum. We aimed to validate this result through pyrosequencing, examining the locus in fine detail, and to assess the signal specificity by profiling multiple neurodegenerative diseases.
View Article and Find Full Text PDFBasic Science and Pathogenesis.
Alzheimers Dement
December 2024
Clinic of Cardiovascular Diseases named after Most Holy John Tobolsky, Moscow, Moscow, Russia.
Background: Dementia aggravates most cerebrovascular lesions, which requires differentiating the developed microcirculatory changes when making a diagnosis. We consider the features of cerebral microcirculation disorders in Alzheimer's disease (AD), distal cerebral atherosclerosis, Binswanger's disease (BD), and vascular parkinsonism (VP).
Method: The study included 1024 patients who underwent: assessment of CDR, TDR, MMSE, cerebral MRI, MRA, CT, MSCTA, scintigraphy (SG), rheoencephalography (REG), cerebral multi-gated angiography (MUGA).
Basic Science and Pathogenesis.
Alzheimers Dement
December 2024
Division of Clinical Geriatrics, Center for Alzheimer Research, Department of Neurobiology, Care Sciences and Society, Karolinska Institutet, Stockholm, Sweden.
Background: In-vivo magnetic resonance imaging (MRI) has recently shown that patients with clinically diagnosed Alzheimer's disease (AD) and dementia with Lewy bodies (DLB) exhibit degeneration of the cholinergic nucleus basalis of Meynert and its white matter (WM) projections through the cingulum and external capsule pathways. Here, we propose an imaging-pathologic validation study aimed at investigating cholinergic WM pathways using post-mortem MRI of autopsy-confirmed AD, Lewy body dementia (LBD), and other neurodegenerative diseases (OTH).
Method: We included 53 brain donors (34 AD, 10 LBD, and 9 OTH, mainly including frontotemporal lobe degeneration and vascular disease, Table 1).
Basic Science and Pathogenesis.
Alzheimers Dement
December 2024
The University of British Columbia, Vancouver, BC, Canada.
Background: Limbic-predominant age-related TDP-43 encephalopathy neuropathological change (LATE-NC) is a pathological process diagnosed at autopsy, involving deposition of TDP-43 in the medial temporal lobes. The name LATE-NC was recently proposed to represent the pathological process, while "LATE" has been suggested to represent the clinical syndrome. However, there are currently no available criteria to diagnose this syndrome during life, and the clinical phenotype is not well understood.
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