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Quantification of Citrullinated Histone H3 as a Marker for Neutrophil Extracellular Traps Correlated to Clinical Characteristics of Patients with Systemic Lupus Erythematosus.
Arch Immunol Ther Exp (Warsz)
January 2025
Department of Human Physiology, Medical University of Lublin, Lublin, Poland.
Systemic lupus erythematosus (SLE) is an autoimmune disease whose pathogenesis is not fully understood to date. One of the suggested mechanisms for its development is NETosis, which involves the release of a specific network consisting of chromatin, proteins, and enzymes from neutrophils, stimulating the immune system. One of its markers is citrullinated histone H3 (H3Cit).
View Article and Find Full Text PDFBasic Science and Pathogenesis.
Alzheimers Dement
December 2024
Emory University School of Medicine, Atlanta, GA, USA.
Background: The extracellular amyloid plaques, one of the pathological hallmarks of Alzheimers Disease (AD), are frequently also observed in the cortex of cognitively unimpaired subjects or as co-pathology in other neurodegenerative diseases. Progressive deposition of fibrillar amyloid-β (Aβ) as amyloid plaques for two decades prior disease onset leads to extensive isomerization of Aβ N-terminus. Quantifying the extent of isomerized Aβ can be provide insight into the different stages of amyloidosis in the brain.
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Alzheimers Dement
December 2024
Yale School of Medicine, New Haven, CT, USA.
Background: While the apolipoprotein E (APOE) ε4 allele is a well-known risk factor for late-onset Alzheimer's disease (LOAD), not all carriers develop the condition, suggesting the presence of resilience and/or risk factors. The molecular signatures of resilience/risk in the brain, however, have not been thoroughly described, partly due to the scarcity of healthy APOEe4 carriers. This study addresses this gap using a novel multi-tissue, multi-omic dataset from the Religious Order Study and Memory and Aging Project cohorts highly enriched in APOEe4 carriers with and without LOAD.
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Alzheimers Dement
December 2024
Department of Neurosurgery, Maxine Dunitz Neurosurgical Research Institute, Cedars-Sinai Medical Center, Los Angeles, CA, USA.
Background: This study identifies and quantifies diverse pathological tau forms in the retina at both early and advanced stages of Alzheimer's disease (AD) and assesses their correlation with disease status. In the pathogenesis of AD, the tau protein undergoes post-translational modifications, including hyperphosphorylation (p-tau). As the disease progresses, pathological tau can propagate as oligomers, aggregate into fibrils, and paired helical filaments (PHF), and ultimately form intraneuronal neurofibrillary tangles (NFTs).
View Article and Find Full Text PDFBasic Science and Pathogenesis.
Alzheimers Dement
December 2024
Texas A&M University, College Station, TX, USA.
Background: Older females, particularly susceptible to Alzheimer's disease (AD), may be affected by hormonal fluctuation during life. We aim to investigate the relationship between changes in brain volume and sex steroid hormones over time. We hypothesize that levels of sex hormones (17ß-estradiol, progesterone, and testosterone) relate to changes in brain volume, especially in the hippocampus (HPC) and cerebellum (CB).
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