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Gain-of-function ANXA11 mutation cause late-onset ALS with aberrant protein aggregation, neuroinflammation and autophagy impairment.
Acta Neuropathol Commun
January 2025
Department of Neurology, Peking Union Medical College Hospital, Peking Union Medical College (PUMC) and Chinese Academy of Medical Science (CAMS), Beijing, China.
Mutations in the ANXA11 gene, encoding an RNA-binding protein, have been implicated in the pathogenesis of amyotrophic lateral sclerosis (ALS), but the underlying in vivo mechanisms remain unclear. This study examines the clinical features of ALS patients harboring the ANXA11 hotspot mutation p.P36R, characterized by late-onset motor neuron disease and occasional multi-system involvement.
View Article and Find Full Text PDFAggregation-induced emission and absorption enhancement of mixed-valent rhenium oxide quantum dots by triethylamine: Implications for food safety monitoring.
J Hazard Mater
December 2024
Department of Chemistry, National Sun Yat-sen University, No. 70 Lienhai Rd., Kaohsiung 80424, Taiwan; Center for Nanoscience & Nanotechnology, National Sun Yat-sen University, No. 70 Lienhai Rd., Kaohsiung 80424, Taiwan; School of Pharmacy, College of Pharmacy, Kaohsiung Medical University, No.100, Shiquan 1st Rd., Kaohsiung 80708, Taiwan. Electronic address:
Food freshness monitoring and volatile amine detection are key to food safety. In this study, we demonstrated the applicability of mixed-valence rhenium oxide quantum dots (MV-ReOQDs), synthesized via the hydrothermal reaction of α-cyclodextrin and rhenium ion precursors, in triethylamine (TEA) sensing. Spectroscopic correlation techniques showed that the developed MV-ReOQDs possessed mixed-valent rhenium, α-cyclodextrin as capped ligand, partially carbonized surface, and amorphous phase structure.
View Article and Find Full Text PDFBasic Science and Pathogenesis.
Alzheimers Dement
December 2024
The University of Texas Health Science Center at San Antonio, San Antonio, TX, USA.
Background: Mitochondria are organelles where energy production takes place via oxidative phosphorylation, thus mitochondrial function influences the organs with large energy consumption, such as the brain. Mitochondria contain their own circular genome (mtDNA), which encodes essential proteins/RNAs involved in oxidative phosphorylation. The maternal inheritance of mtDNA, combined with a higher risk of Alzheimer's disease (AD) observed in females, suggest mtDNA may have a role in AD.
View Article and Find Full Text PDFNucleocapsid assembly drives Ebola viral factory maturation and dispersion.
Cell
December 2024
Schaller Research Groups, Department of Infectious Diseases, Virology, Heidelberg University, Heidelberg, Germany; BioQuant, Heidelberg University, Heidelberg, Germany. Electronic address:
Article Synopsis
- Viral factories (VFs) are membrane-less organelles where negative-sense RNA viruses, like Ebola, replicate and encapsidate their genomes.
- Using advanced imaging techniques, researchers observed how viral nucleocapsids (NCs) change from loose formations to compact structures during the infection process.
- The study found that as VFs mature, they become less spherical and more integrated with cellular components, which likely aids in the transportation of NCs for virus budding.
Unraveling the Effects of Hexametaphosphate: Insights into Trypsin Aggregation and Structural Reversal.
ACS Omega
December 2024
Department of Biochemistry, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia.
Elevated serum phosphate levels have been linked to increased mortality rates. This study investigated the effect of millimolar (mM) concentrations of sodium hexametaphosphate (SHMP) on trypsin's aggregation and structural stability at intestinal pH levels. We used various spectroscopic and microscopic techniques to investigate the structural changes of trypsin aggregates.
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