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The effect of Lewy body (co-)pathology on the clinical and imaging phenotype of amnestic patients.
Brain
January 2025
Reina Sofia Alzheimer Centre, CIEN Foundation, ISCIII, Madrid, Spain.
Lewy body (LB) pathology is present as a co-pathology in approximately 50% of Alzheimer's disease (AD) dementia patients and may even represent the main neuropathologic substrate in a subset of patients with amnestic impairments. However, the degree to which LB pathology affects the neurodegenerative course and clinical phenotype in amnestic patients is not well understood. Recently developed α-synuclein seed amplification assays (αSyn-SAAs) provide a unique opportunity for further investigating the complex interplay between AD and LB pathology in shaping heterogeneous regional neurodegeneration patterns and clinical trajectories among amnestic patients.
View Article and Find Full Text PDFComputerized assessment of neuropsychological functioning in pediatric brain tumor patients.
J Neurooncol
January 2025
Department of Neurosurgery, MacKay Memorial Hospital, No. 92, Sec. 2, Zhongshan N. Rd, Taipei, 10449, Taiwan.
Purpose: Advances in multidisciplinary treatment of childhood brain tumors have significantly prolonged survival and reduced treatment-related complications. This makes the accessibility of digital neurocognitive assessment an important issue in the post-pandemic era.
Methods: Twenty pediatric brain tumor patients were recruited between August 2023 and August 2024, and a total of eight standardized Cambridge Neuropsychological Test Automated Battery (CANTAB) tests targeting executive function, memory, and attention were applied on a digital system.
Acute and chronic cannabis vapor exposure produces immediate and delayed impacts on phases of fear learning in a sex specific manner.
Psychopharmacology (Berl)
January 2025
Hotchkiss Brain Institute, Alberta Children's Hospital Research Institute, Mathison Centre for Mental Health Research and Education, University of Calgary, Calgary, AB, Canada.
Rationale: Current treatment options for PTSD have unreliable efficacy, with many individuals unable to achieve complete remission. Cannabis and cannabinoids that act through the endogenous cannabinoid (endocannabinoid) system to help promote trauma recovery by means of enhanced extinction learning are potential therapeutic, pharmacological candidates. Using a preclinical model of translationally-relevant cannabis administration in rodents, we examined the impact of cannabis exposure on aversive memory.
View Article and Find Full Text PDFAcute Treatment with Salvianolic Acid A Produces Neuroprotection in Stroke Models by Inducing Excitatory Long-Term Synaptic Depression.
ACS Chem Neurosci
January 2025
CAS Key Laboratory of Animal Models and Human Disease Mechanisms, KIZ-SU Joint Laboratory of Animal Model and Drug Development, Laboratory of Learning and Memory, Kunming Institute of Zoology, the Chinese Academy of Sciences, Kunming 650223, China.
Acute ischemic stroke (AIS) is a significant brain disease with a high mortality and disability rate. Additional therapies for AIS are urgently needed, and neuroplasticity mechanisms by agents are expected to be neuroprotective for AIS. As a major active component of Salvia miltiorrhiza, salvianolic acid A (SAA) has shown potential for preventing cardiovascular diseases.
View Article and Find Full Text PDFHippocampal neuronal loss and cognitive decline in LATE-NC and ADNC among community-dwelling older persons.
Alzheimers Dement
January 2025
Rush Alzheimer's Disease Center, Rush University Medical Center, Chicago, Illinois, USA.
Introduction: This study investigates the inter-related roles of hippocampal neuronal loss (HNL), limbic-predominant age-related TAR-DNA binding protein of 43 kDa (TDP-43) encephalopathy neuropathologic changes (LATE-NC), and Alzheimer's disease neuropathologic changes (ADNC) on cognitive decline.
Methods: Participants underwent annual cognitive testing and autopsy. HNL, ADNC, LATE-NC, and other age-related pathologies were evaluated.
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