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The concept of resilience can be used to explain why there are differences in the degree to which the brain functions of different individuals are impaired due to aging and pathological factors associated with neurodegenerative diseases. It encompasses cognitive reserve, brain reserve, and brain maintenance. Long-term research has identified a default mode network (DMN) related to cognitive reserve. This mode can modulate the negative impact of Alzheimer's disease (AD) pathological burden on...

In the context of increasing life expectancy, a higher prevalence of age-related chronic diseases is becoming more common in the health landscape, many of which are closely linked to insufficient physical exercise during lifespan. On the other hand, aging is also associated with damage to various molecules, including DNA, by reactive oxygen species. Given that both senescence and muscle mass loss are intimately linked to increased levels of DNA damage and deterioration of antioxidant defense,...

Farmers and supporters—including RFK Jr. and Dr. Oz—urge government to spare birds that survived H5N1 outbreak

Two recent studies shine light on the earliest known artistic usages of blue pigment

Electrical discharge from microscopic bubbles offers a new explanation for fleeting flames of folklore

CONCLUSIONS: Our findings provided a novel global perspective on the temporal trends of PAH burden in the elderly population, augmenting the existing evidence and understanding of PAH epidemiology in this demographic. Additionally, these results identify gaps in various aspects of prevention, management, and intervention strategies for PAH in the elderly.

Glycine transporter type 1 (GlyT1) regulates extracellular glycine levels and modulates N-methyl-D-aspartate receptor (NMDAR) activity, positioning it as a promising target in excitotoxic and ischemic conditions. While previous studies have shown that GlyT1 inhibition prior to injury confers neuroprotection, its therapeutic potential in a post-ischemic context remains unclear. Here, we investigated the neuroprotective effects of NFPS, a selective GlyT1 inhibitor, administered after the induction...

There is increasing evidence that the pathogenesis of Parkinson's disease (PD) is closely related to mitochondrial dysfunction and iron deposition. Activin A (Act A) is a homodimeric cytokine from the TGF-β superfamily and has neuroprotective effects in various neurological diseases. However, the specific mechanisms by which Act A exerts a neuronal protective effect in PD remain unclear. In this study, we selected lipopolysaccharide (LPS) -induced PD model mice to investigate the mechanism of...

Parkinson's disease (PD) is a progressive neurodegenerative disorder that is associated with mitochondrial dysfunction, oxidative stress, neuroinflammation, and abnormal protein aggregation. The silent information regulator 2 (Sir2) family of proteins, known as sirtuins (SIRT1 - SIRT7), is nicotinamide adenine dinucleotide (NAD^(+))-dependent histone deacetylases that regulate important signal transduction pathways in both prokaryotes and eukaryotes. An increasing number of studies revealed that...