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Cerebral amyloid angiopathy: one single entity?
Curr Opin Neurol
February 2025
Department of Neurology, Leiden University Medical Center, Leiden, The Netherlands.
Purpose Of Review: Cerebral amyloid angiopathy (CAA) is a common brain disorder among the elderly and individuals with Alzheimer's disease, where accumulation of amyloid-ß can lead to intracerebral hemorrhage and dementia. This review discusses recent developments in understanding the pathophysiology and phenotypes of CAA.
Recent Findings: CAA has a long preclinical phase starting decades before symptoms emerge.
FOUR QUESTIONS ABOUT ATRIAL FIBRILLATION IN CARDIAC AMYLOIDOSIS. WHY IS THIS ARRHYTHMIA DIFFERENT FROM ALL OTHER ARRHYTHMIAS?
Can J Cardiol
January 2025
Brigham and Women's Hospital Amyloidosis Program and Section of Cardiology, Brigham and Women's Hospital, Boston MA 02115 USA; Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel.
AF is a common arrhythmia in cardiomyopathy, particularly when congestive heart failure is present. The neurohormonal activation in congestive heart failure may trigger fibrotic and other changes in the left atrium and the atrial stretch associated with heart failure may induce further atrial pathology and/ or directly trigger AF (8). By the time that patients with AF develop extensive fibrosis, the arrhythmia has been shown to be associated with a greater difficulty in maintaining sinus rhythm despite attempted ablation procedures.
View Article and Find Full Text PDFVascular endothelial growth factor receptor-1 (FLT1) interactions with amyloid-beta in Alzheimer's disease: A putative biomarker of amyloid-induced vascular damage.
Neurobiol Aging
December 2024
Vanderbilt Memory and Alzheimer's Center, Vanderbilt University Medical Center, Nashville, TN, USA; Pharmacology Department, Vanderbilt University Medical Center, Nashville, TN, USA; Department of Neurology, Vanderbilt University Medical Center, Nashville, TN, USA; Epidemiology Doctoral Program, School of Medicine, Vanderbilt University, Nashville, TN, USA; Vanderbilt Genetics Institute, Vanderbilt University Medical Center, Nashville, TN, USA. Electronic address:
We have identified FLT1 as a protein that changes during Alzheimer's disease (AD) whereby higher brain protein levels are associated with more amyloid, more tau, and faster longitudinal cognitive decline. Given FLT1's role in angiogenesis and immune activation, we hypothesized that FLT1 is upregulated in response to amyloid pathology, driving a vascular-immune cascade resulting in neurodegeneration and cognitive decline. We sought to determine (1) if in vivo FLT1 levels (CSF and plasma) associate with biomarkers of AD neuropathology or differ between diagnostic staging in an aged cohort enriched for early disease, and (2) whether FLT1 expression interacts with amyloid on downstream outcomes, such as phosphorylated tau levels and cognitive performance.
View Article and Find Full Text PDFCase Report: Avoiding misdiagnosis in amyloidosis-navigating transthyretin genopositivity and monoclonal gammopathy in a patient with advanced heart failure and spinal stenosis.
Front Cardiovasc Med
December 2024
Division of Hematology-Oncology, Department of Medicine, Tufts Medical Center, Boston, MA, United States.
Background: A 63-year-old Black woman presented with progressive exertional dyspnea and chronic lower back pain. The course and findings in her case are instructive.
Case Report: Family history was notable for cardiac deaths.
Proteome profiling of cerebrospinal fluid using machine learning shows a unique protein signature associated with APOE4 genotype.
Aging Cell
December 2024
Translational Dementia Research Group, Centre for Immunology and Allergy Research, Westmead Institute for Medical Research, Sydney, NSW, Australia.
Proteome changes associated with APOE4 variant carriage that are independent of Alzheimer's disease (AD) pathology and diagnosis are unknown. This study investigated APOE4 proteome changes in people with AD, mild cognitive impairment, and no impairment. Clinical, APOE genotype, and cerebrospinal fluid (CSF) proteome and AD biomarker data was sourced from the Alzheimer's Disease Neuroimaging Initiative (ADNI) database.
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