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Glutathione-Responsive Metal-Organic-Framework-Derived MnO/(A/R)TiO Nanoparticles for Enhanced Synergistic Sonodynamic/Chemodynamic/Immunotherapy.
ACS Nano
January 2025
State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, 2699 Qianjin Street, Changchun 130012, China.
Despite the potential of sonodynamic therapy (SDT) in treating malignant tumors, the lack of effective sonosensitizers has limited its clinical implementation. In this study, we explored the relationship between the heteroatom doping concentration in metal-organic frameworks and interface formation after pyrolysis by regulating the addition of manganese sources and successfully derived Z-scheme heterojunctions MnO/(A/R)TiO (MTO) in situ from MIL-125-NH (Ti/Mn). The electron transfer pathway introduced by interfacial contact promoted carrier separation and greatly preserved the effective redox components, significantly influencing the performance of reactive oxygen species generation.
View Article and Find Full Text PDFInnate Immune Activation with Multifunctional Nanoparticles for Cancer Immunotherapy.
Angew Chem Int Ed Engl
January 2025
University of Chicago Division of the Physical Sciences, chemistry, UNITED STATES OF AMERICA.
Immune checkpoint blockade (ICB) has revolutionized the treatment of many cancers by leveraging the immune system to combat malignancies. However, its efficacy is limited by the immunosuppressive tumor microenvironment and other regulatory mechanisms of the immune system. Innate immune modulators (IIMs) provide potent immune activation to complement adaptive immune responses and help overcome resistance to ICB.
View Article and Find Full Text PDFBasic Science and Pathogenesis.
Alzheimers Dement
December 2024
Xuanwu Hospital of Capital Medical University, Beijing, Beijing, China.
Background: Alzheimer's disease (AD), also known as senile dementia, is the most common degenerative disease of the central nervous system. Neuroinflammation is currently believed to be a crucial factor in the progression of AD, while its exact mechanism remains unclear.
Method: APP/PS1 AD mice were treated with a natural active ingredient tetrahydroxy stilbene glucoside (TSG) at 40 mg/kg/day and 80 mg/kg/day respectively for 5 consecutive months, and then the Morris water maze test (MWM) and the novel object recognition test were performed to assess the effect of TSG on the cognitive and memory ability of AD mice.
Basic Science and Pathogenesis.
Alzheimers Dement
December 2024
University of Kansas Medical Center, Kansas City, KS, USA.
Background: Mitochondrial dysfunction is an early and prominent feature of Alzheimer's disease (AD). We have recently published that lower brain mitochondrial DNA copy number (mtDNAcn) is associated with increased risk of AD neuropathological change and reduced cognitive performance. Here, we addressed how mtDNAcn affects cell-type specific phenotypes.
View Article and Find Full Text PDFBasic Science and Pathogenesis.
Alzheimers Dement
December 2024
University of Texas Medical Branch, Galveston, TX, USA.
Background: Aging, tau pathology, and chronic inflammation in the brain play crucial roles in neuroinflammation, synaptic loss, neurodegeneration, and cognitive decline in tauopathies, such as Alzheimer's disease. However, the molecular mechanisms that trigger aberrant chronic inflammatory signaling in tauopathies are poorly understood.
Method: We utilized brain tissues from tauopathy patients and the tauopathy mouse models.
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