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APOE4, Alzheimer's and periodontal disease: A scoping review

3 months 1 week ago
CONCLUSION: APOE4 may link PD and AD through shared genetic variants, inflammatory pathways, and dyslipidemia, involving both peripheral and central pathways. More comprehensive studies are required to ascertain the relationship between PD, AD, and APOE4, and to determine whether these associations are causal or non-causal in nature.
Catalina Arévalo-Caro

Design, current states, and challenges of nanomaterials in anti-neuroinflammation: A perspective on Alzheimer's disease

3 months 1 week ago
Alzheimer's disease (AD), an age-related neurodegenerative disease, brings huge damage to the society, to the whole family and even to the patient himself. However, until now, the etiological factor of AD is still unknown and there is no effective treatment for it. Massive deposition of amyloid-beta peptide(Aβ) and hyperphosphorylation of Tau proteins are acknowledged pathological features of AD. Recent studies have revealed that neuroinflammation plays a pivotal role in the pathology of AD....
Xinyang Hong

Statistical identification of cell type-specific spatially variable genes in spatial transcriptomics

3 months 1 week ago
An essential task in spatial transcriptomics is identifying spatially variable genes (SVGs). Here, we present Celina, a statistical method for systematically detecting cell type-specific SVGs (ct-SVGs)-a subset of SVGs exhibiting distinct spatial expression patterns within specific cell types. Celina utilizes a spatially varying coefficient model to accurately capture each gene's spatial expression pattern in relation to the distribution of cell types across tissue locations, ensuring effective...
Lulu Shang

p53-loss induced prostatic epithelial cell plasticity and invasion is driven by a crosstalk with the tumor microenvironment

3 months 1 week ago
Prostate cancer is a heterogeneous disease with a slow progression and a highly variable clinical outcome. The tumor suppressor genes PTEN and TP53 are frequently mutated in prostate cancer and are predictive of early metastatic dissemination and unfavorable patient outcomes. The progression of solid tumors to metastasis is often associated with increased cell plasticity, but the complex events underlying TP53-loss-induced disease aggressiveness remain incompletely understood. Using genetically...
Darya Yanushko

Involvement of TGF-beta, mTOR, and inflammatory mediators in aging alterations during myxomatous mitral valve disease in a canine model

3 months 1 week ago
Inflammaging, a state of chronic low-grade inflammation associated with aging, has been linked to the development and progression of various disorders. Cellular senescence, a state of irreversible growth arrest, is another characteristic of aging that contributes to the pathogenesis of cardiovascular pathology. Senescent cells accumulate in tissues over time and secrete many inflammatory mediators, further exacerbating the inflammatory environment. This senescence-associated secretory phenotype...
Arkadiusz Grzeczka

SynPull: An advanced method for studying neurodegeneration-related aggregates in synaptosomes using super-resolution microscopy

3 months 2 weeks ago
Synaptic dysfunction is a primary hallmark of both Alzheimer's and Parkinson's disease, leading to cognitive and behavioral decline. While alpha-synuclein, beta-amyloid, and tau are involved in the physiological functioning of synapses, their pathological aggregation has been linked to synaptopathology. The methodology for studying the small-soluble protein aggregates formed by these proteins is limited. Here we describe SynPull, a method combining single-molecule pull-down, super-resolution...
Shekhar Kedia