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Genetic Predisposition to Hippocampal Atrophy and Risk of Amnestic Mild Cognitive Impairment and Alzheimer's Dementia.
Geriatrics (Basel)
January 2025
1st Department of Neurology, Aiginition Hospital, National and Kapodistrian University of Athens Medical School, 11528 Athens, Greece.
Background: There is a paucity of evidence on the association between genetic propensity for hippocampal atrophy with cognitive outcomes. Therefore, we examined the relationship of the polygenic risk score for hippocampal atrophy (PRShp) with the incidence of amnestic mild cognitive impairment (aMCI) and Alzheimer's disease (AD) as well as the rates of cognitive decline.
Methods: Participants were drawn from the population-based HELIAD cohort.
Longitudinal sex-at-birth and age analyses of cortical structure in the ABCD Study®.
J Neurosci
January 2025
Children's Hospital Los Angeles, Los Angeles, California, 90027, United States of America.
While the brain continues to develop during adolescence, such development may depend on sex-at-birth. However, the elucidation of such differences may be hindered by analytical decisions (e.g.
View Article and Find Full Text PDFMachine Learning Analysis of Glutamate Receptor Activity in Developing Locus Coeruleus Neurons.
Int J Neurosci
January 2025
Department of Mathematics, Payame Noor University, Tehran, Iran.
The developing brain undergoes a remarkable process of synapse production and maturation, particularly in glutamatergic synapses. In this study, we focused on the locus coeruleus (LC) nucleus, a brain region crucial for cognitive functions, to investigate the developmental changes in glutamatergic synaptic connections. Using the whole-cell patch clamp method, we recorded evoked excitatory postsynaptic currents (eEPSCs) from LC neurons in rats at ages 7, 14, and 21 days.
View Article and Find Full Text PDFEstrogen receptors in mitochondrial metabolism: age-related changes and implications for pregnancy complications.
Aging Adv
December 2024
Department of Integrative Genomics and Epidemiology, Meharry Medical College, Nashville, TN, USA.
Estrogen hormones are primarily associated with their role as female sex hormones responsible for primary and secondary sexual development. Estrogen receptors are known to undergo age-dependent decreases due to age-related changes in hormone production. In the mitochondria, estrogen functions by reducing the production of reactive oxygen species in the electron transport chain, inhibiting apoptosis, and regulating mitochondrial DNA content.
View Article and Find Full Text PDFAge-dependent phenotypes of cognitive impairment as sequelae of SARS-CoV-2 infection.
Front Aging Neurosci
January 2025
Laboratory for Brain Development, Modulation and Repair, Glenn Biggs Institute for Alzheimer's and Neurodegenerative Diseases, University of Texas Health San Antonio, San Antonio, TX, United States.
Cognitive changes associated with PASC may not be uniform across populations. We conducted individual-level pooled analyses and meta-analyses of cognitive assessments from eight prospective cohorts, comprising 2,105 patients and 1,432 controls from Argentina, Canada, Chile, Greece, India, Italy, Russia, and the UK. The meta-analysis found no differences by country of origin.
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