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Background: Alzheimer's disease (AD) is the most common cause of dementia worldwide. It is characterized by dysfunction in the U1 small nuclear ribonucleoproteins (snRNPs) complex, which may precede TAU aggregation, enhancing premature polyadenylation, spliceosome dysfunction, and causing cell cycle reentry and death. Thus, we evaluated the effects of a synthetic single-stranded cDNA, called APT20TTMG, in induced pluripotent stem cells (iPSC) derived neurons from healthy and AD donors and in the Senescence Accelerated Mouse-Prone 8 (SAMP8) model.
View Article and Find Full Text PDFBackground: Focused ultrasound (FUS)-induced blood-brain barrier opening (BBBO) is a technique for safely, non-invasively, and transiently opening the blood brain barrier in a targeted area of the brain. Pre-clinical and clinical studies have shown that FUS is capable of decreasing amyloid plaque load and stimulating neurogenesis in Alzheimer's Disease (AD) models, in addition to being safe for use in human patients. However, the effect of FUS-BBBO on neurons has not yet been characterized, despite its crucial role in cognition and regulating brain function.
View Article and Find Full Text PDFDrug Development.
Alzheimers Dement
December 2024
Yonsei University, Incheon, Incheon, Korea, Republic of (South).
Background: Cyclin Y (CCNY) is a member of cyclin protein family inhibiting long-term synaptic plasticity, which is related to the learning and memory function in neuronal system. Recently, CCNY has been reported to associate with the cognitive deficits in Alzheimer's disease (AD).
Method: In this study, we discovered PFTAIRE peptide to diminish CCNY protein level and to ameliorate cognitive dysfunction in AD.
Background: Progranulin (GRN) plays a critical role in familial frontotemporal dementia (fFTD), where GRN haploinsufficiency leads to reduction in PGRN levels in the brain, resulting in degeneration of neurons in the frontal lobe of brain responsible for personality, language, and behavior. FTD is the most common dementia in people under 60. Sortilin (Sort1), expressed by neurons, endocytoses, and delivers PGRN rapidly to lysosomes for degradation.
View Article and Find Full Text PDFDrug Development.
Alzheimers Dement
December 2024
Indiana University School of Medicine, Indianapolis, IN, USA.
Background: The TREAT-AD centers aim to improve Alzheimer's Disease (AD) research by offering free, high-quality tools and technologies. Lyn is a tyrosine kinase that belongs to the Src family kinases. The expression of Lyn and its activity have been implicated in AD.
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