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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4832685 | PMC |
| http://dx.doi.org/10.1136/heartasia-2013-010337 | DOI Listing |
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Basic Science and Pathogenesis.
Alzheimers Dement
December 2024
Duke University School of Medicine, Durham, NC, USA.
Background: Patients with Alzheimer's Disease (AD) frequently manifest comorbid neuropsychiatric symptoms (NPS) with depression and anxiety being most prevalent. Previously we identified shared genetic risk loci between AD and major depressive disorder (MDD). In another study, we constructed a polygenic risk score (PRS) based on MDD-GWAS data and demonstrated its performance in predicting depression onset in LOAD patients.
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Alzheimers Dement
December 2024
Vanderbilt Genetics Institute, Vanderbilt University Medical Center, Nashville, TN, USA.
Background: Genome-wide association studies (GWAS) in Alzheimer's disease (AD) leveraging endophenotypes beyond case/control diagnosis, such as brain amyloid β pathology, have shown promise in identifying novel variants and understanding their potential functional impact. In this study, we leverage two brain amyloid β pathology measurement modalities, PET imaging and neuropathology, to address sample size limitations and to discover novel genetic drivers of disease.
Method: We conducted a meta-analysis on an amyloid PET imaging GWAS (N = 7,036, 35% amyloid positive, 53.
Basic Science and Pathogenesis.
Alzheimers Dement
December 2024
University of California, Davis School of Medicine, Sacramento, CA, USA.
Background: Examining the neuropathology of the oldest-old has significantly advanced our understanding of the multiple etiologies in very late life. Most studies have included exclusively White decedents with limited ethnoracial diversity. Our goal was to characterize neuropathology in a cohort of ethnically and racially diverse oldest-old decedents.
View Article and Find Full Text PDFBasic Science and Pathogenesis.
Alzheimers Dement
December 2024
University of Iowa, Iowa City, IA, USA.
Background: It is increasingly apparent that tau pathology in Alzheimer's disease (AD) begins in the brainstems of middle-aged patients, decades before the onset of symptoms. Most studies are, however, based on brain-bank cohorts and focus on patients dying of natural causes. The true incidence of tau pathology in the brainstem thus remains unclear.
View Article and Find Full Text PDFBasic Science and Pathogenesis.
Alzheimers Dement
December 2024
University of California, Irvine, Irvine, CA, USA.
Background: Subjective Memory Complaints (SMC) are defined as the perception of one's own memory. In several studies SMC are associated with Alzheimer's disease (AD) neuropathologic changes, and only one study has analyzed and found an association of SMC with other neurodegenerative, but not vascular, neuropathologic changes. Yet, the evidence on the association of SMC with non-AD neuropathologic changes is insufficient.
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