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Reversal of neuronal tau pathology via adiponectin receptor activation.
Commun Biol
January 2025
Division of Geriatrics, Department of Medicine, SMPH, University of Wisconsin-Madison, Madison, WI, USA.
Changes in brain mitochondrial metabolism are coincident with functional decline; however, direct links between the two have not been established. Here, we show that mitochondrial targeting via the adiponectin receptor activator AdipoRon (AR) clears neurofibrillary tangles (NFTs) and rescues neuronal tauopathy-associated defects. AR reduced levels of phospho-tau and lowered NFT burden by a mechanism involving the energy-sensing kinase AMPK and the growth-sensing kinase GSK3b.
View Article and Find Full Text PDFSINE retrotransposons import polyadenylation signals to 3'UTRs in dog (Canis familiaris).
Mob DNA
January 2025
Department of Biology, La Sierra University, Riverside, CA, USA.
Background: Messenger RNA 3' untranslated regions (3'UTRs) control many aspects of gene expression and determine where the transcript will terminate. The polyadenylation signal (PAS) AAUAAA (AATAAA in DNA) is a key regulator of transcript termination and this hexamer, or a similar sequence, is very frequently found within 30 bp of 3'UTR ends. Short interspersed element (SINE) retrotransposons are found throughout genomes in high copy numbers.
View Article and Find Full Text PDFThe role of skeletal muscle respiratory capacity in exercise performance.
Free Radic Biol Med
January 2025
Department of Physiological Sciences, Universitat de Barcelona, 08907, Barcelona, Spain.
The connection between the respiratory capacity of skeletal muscle mitochondria and athletic performance is widely acknowledged in contemporary research. Building on a solid foundation of prior studies, current research has fostered an environment where scientists can effectively demonstrate how a tailored regimen of exercise intensity, duration, and frequency significantly boosts mitochondrial function within skeletal muscles. The range of exercise modalities is broad, spanning from endurance and high-intensity interval training to resistance-based exercises, allowing for an in-depth exploration of effective strategies to enhance mitochondrial respiratory capacity-a key factor in improving exercise performance, in other words offering a better skeletal muscle capacity to cope with exercise demands.
View Article and Find Full Text PDF"I'm still a me:" challenges and changes to the relational-self following the onset of aphasia, a grounded theory study.
Disabil Rehabil
January 2025
Discipline of Speech Pathology, School of Allied Health, Human Services and Sport La Trobe University, Melbourne, Australia.
Purpose: People with post-stroke aphasia experience relationship changes which can lead to an altered relational self. The aim of this research was to explore the experiences of a group of people with post-stroke aphasia regarding changes to the relational self.
Method: A constructivist grounded theory approach was used.
Efficacy, Indications, and Safety of Intrathecal Baclofen Pump: A Narrative Review.
Curr Pain Headache Rep
January 2025
Department of Anesthesiology, Louisiana State University Health Sciences Center Shreveport, Shreveport, LA, 71103, USA.
Purpose Of Review: Baclofen, a muscle relaxant that reduces the release of excitatory neurotransmitters in the pre-synaptic neurons stimulating inhibitory neuronal signals in post-synaptic neurons, has been around for over 5 decades. Baclofen is used primarily for spasticity and since 1982, has had a role as an intrathecal agent. In the present investigation, we review research trends and updates on safety and efficacy of intrathecal baclofen (ITB) pumps.
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