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Introduction: Age-associated depletion in nicotinamide adenine dinucleotide (NAD+) concentrations has been implicated in metabolic, cardiovascular, and neurodegenerative disorders. Supplementation with NAD+ precursors, such as nicotinamide riboside (NR), offers a potential therapeutic avenue against neurodegenerative pathologies in aging, Alzheimer's disease, and related dementias. A crossover, double-blind, randomized placebo (PBO) controlled trial was conducted to test the safety and efficacy of 8 weeks' active treatment with NR (1 g/day) on cognition and plasma AD biomarkers in older adults with subjective cognitive decline and mild cognitive impairment.
View Article and Find Full Text PDFReplication-competent recombinant porcine reproductive and respiratory syndrome (PRRS) virus expressing antiviral cytokine interferon-ω5 as a modified live virus vaccine.
Vet Microbiol
February 2025
Department of Agricultural and Environmental Sciences, College of Agriculture, Tennessee State University, Nashville, TN, United States. Electronic address:
Porcine reproductive and respiratory syndrome (PRRS), caused by the highly variable PRRS virus (PRRSV), presents a significant challenge to the swine industry due to its pathogenic and economic burden. The virus evades host immune responses, particularly interferon (IFN) signaling, through various viral mechanisms. Traditional vaccines have shown variable efficacy in the field, prompting the exploration of novel vaccination strategies.
View Article and Find Full Text PDFThe novel T107I Inherited prion disease can present as a clinical and biomarker mimic of familial Alzheimer's disease.
J Neurogenet
January 2025
Institute of Prion Diseases, MRC Prion Unit at University College London, London, UK.
Inherited prion diseases (IPD) secondary to mutations of the prion protein gene, exhibit diverse clinical phenotypes, capable of mimicking numerous primary neurodegenerative conditions. We describe the clinical phenotype and neuropathological findings in a family from County Limerick in Ireland presenting with Alzheimer's disease-like cognitive decline and motor symptoms caused by a novel missense mutation of This mutation occurs in the central lysine cluster (CLC; codon 101-110), resulting in substitution of threonine with isoleucine at codon 107 (T107I). This case series highlights that IPD can be hard to distinguish from overlapping clinical syndromes seen in other neurodegenerative diseases.
View Article and Find Full Text PDFMultifaceted Role of Specialized Neuropeptide-Intensive Neurons on the Selective Vulnerability to Alzheimer's Disease in the Human Brain.
Biomolecules
November 2024
Department of Veterinary and Biomedical Sciences, College of Veterinary Medicine, University of Minnesota, St. Paul, MN 55108, USA.
Regarding Alzheimer's disease (AD), specific neuronal populations and brain regions exhibit selective vulnerability. Understanding the basis of this selective neuronal and regional vulnerability is essential to elucidate the molecular mechanisms underlying AD pathology. However, progress in this area is currently hindered by the incomplete understanding of the intricate functional and spatial diversity of neuronal subtypes in the human brain.
View Article and Find Full Text PDFNovel Insertion/Deletion Polymorphisms and Genetic Studies of the Shadow of Prion Protein () in Raccoon Dogs.
Animals (Basel)
December 2024
Korea Zoonosis Research Institute, Jeonbuk National University, Iksan 54531, Republic of Korea.
Prion diseases, or transmissible spongiform encephalopathies (TSEs), are a group of invariably fatal neurodegenerative disorders. One of the candidate genes involved in prion diseases is the shadow of the prion protein () gene. Raccoon dogs, a canid, are considered to be a prion disease-resistant species.
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