Mitochondrial ROS modulate presynaptic plasticity in the drosophila neuromuscular junction.

The elevated emission of reactive oxygen species (ROS) from presynaptic mitochondria is well-documented in several inflammatory and neurodegenerative diseases. However, the potential role of mitochondrial ROS in presynaptic function and plasticity remains largely understudied beyond the context of disease. Here, we investigated this potential ROS role in presynaptic function and short-term plasticity by combining optogenetics, whole cell electrophysiological recordings, and live confocal imaging using a well-established protocol for induction and measurement of synaptic potentiation in Drosophila melanogaster neuromuscular junctions (NMJ).

Specialists' learning from facilitating group peer telementoring: a qualitative study.

Background: Group peer telementoring supports interprofessional learning through multi-directional and synchronous engagement where experienced and knowledgeable individuals exchange guidance and support with differently experienced and knowledgeable individuals. A leading example of group peer telementoring among medical specialists and medical generalists is Project Extension for Community Healthcare Outcomes (Project ECHO), a rapidly spreading program with demonstrated learning outcomes among community-based medical generalists. Yet the multi-directional exchanges that characterize group peer telementoring interactions suggest that specialists facilitating sessions may also learn from the group experiences.

Understanding deep disadvantage at the end of life: A nationwide analysis of unclaimed deaths.

Objectives: To describe unclaimed deaths nationwide and to examine contextual factors associated with higher rates of these types of interments.

Methods: Unclaimed death records from 2009 to 2021 were collected by a combination of direct outreach and obtaining data from publicly available websites. Data were summarized by county-year and linked to American Community Survey demographic variables, as well as markers of social isolation and economic disadvantage.

New York State Climate Impacts Assessment Chapter 08: Society and Economy.

Climate change is affecting or will affect the lives of every resident of New York State. This chapter examines the impacts of climate change on five critical areas in the state: populations and migration, the economy, education, culture, and government. The chapter highlights differential vulnerabilities among the state's regions, populations, workers, and businesses, paying particular attention to issues of equity and environmental justice.

Bank vole genomics links determinate and indeterminate growth of teeth.

Background: Continuously growing teeth are an important innovation in mammalian evolution, yet genetic regulation of continuous growth by stem cells remains incompletely understood. Dental stem cells responsible for tooth crown growth are lost at the onset of tooth root formation. Genetic signaling that initiates this loss is difficult to study with the ever-growing incisor and rooted molars of mice, the most common mammalian dental model species, because signals for root formation overlap with signals that pattern tooth size and shape (i.

EMC1 Is Required for the Sarcoplasmic Reticulum and Mitochondrial Functions in the Muscle.

EMC1 is part of the endoplasmic reticulum (ER) membrane protein complex, whose functions include the insertion of transmembrane proteins into the ER membrane, ER-mitochondria contact, and lipid exchange. Here, we show that the gene is expressed in the somatic musculature and the protein localizes to the sarcoplasmic reticulum (SR) network. Muscle-specific RNAi led to severe motility defects and partial late pupae/early adulthood lethality, phenotypes that are rescued by co-expression with an transgene.

Interactions between sexual signaling and wing size drive ecology and evolution of wing colors in Odonata.

Insect coloration has evolved in response to multiple pressures, and in Odonata (dragonflies and damselflies) a body of work supports a role of wing color in a variety of visual signals and potentially in thermoregulation. Previous efforts have focused primarily on melanistic coloration even though wings are often multicolored, and there has yet to be comprehensive comparative analyses of wing color across broad geographic regions and phylogenetic groups. Percher vs.

MAPRS: An intelligent approach for post-prescription review based on multi-label learning.

Antimicrobial resistance (AMR) is a major threat to public health worldwide. It is a promising way to improve appropriate prescription by the review and stewardship of antimicrobials, and Post-Prescription Review (PPR) is currently the main tool used in hospitals. Existing methods of PPR typically focus on the dichotomy of antimicrobial prescription based on binary classification which, however, is usually a multi-label classification problem.

The effect of an educational intervention on perioperative registered nurse's knowledge, attitudes, and behaviors towards pressure injury prevention in surgical patients.

Background: Pressure injuries continue to be a significant problem in perioperative patients. Surgical patients are particularly at risk due to lack of mobility and sensation during surgery and the early recovery period. The AORN (2024) recommends that healthcare organizations develop a comprehensive prevention program that includes risk assessment, prevention, and education.

Performance of Activities of Daily Living in Typically Developing Children in Korea: Normative Value of K-MBI.

Objective: To determine the normative values of the Korean version of the Modified Barthel Index (K-MBI) score for typically developing children in Korea and assess its suitability for use in children.

Methods: Rehabilitation physicians and occupational therapists with children were invited through an online platform to participate in a survey assessing their children's performance of activity of daily living (ADL) using the K-MBI. The questionnaire encompassed queries on sociodemographic information of children and the assessment criteria outlined in the K-MBI.

A molecular phylogeny of the Petaluridae (Odonata: Anisoptera): A 160-Million-Year-Old story of drift and extinction.

Petaluridae (Odonata: Anisoptera) is a relict dragonfly family, having diverged from its sister family in the Jurassic, of eleven species that are notable among odonates (dragonflies and damselflies) for their exclusive use of fen and bog habitats, their burrowing behavior as nymphs, large body size as adults, and extended lifespans. To date, several nodes within this family remain unresolved, limiting the study of the evolution of this peculiar family. Using an anchored hybrid enrichment dataset of over 900 loci we reconstructed the species tree of Petaluridae.

Cisgender Sexual Minority Women's Interest in Telemental Health Services: A Latent Class Analysis.

Telemental health is increasingly recognized for its potential to overcome barriers like cost and stigma, particularly for marginalized groups. Sexual minority women in particular may benefit from increased access to telemental health services, due to the unique health disparities faced by this population. However, very little research thus far has assessed the telemental health preferences of this group.

Conformational modulation and polymerization-induced folding of proteomimetic peptide brush polymers.

Peptide-brush polymers generated by graft-through living polymerization of peptide-modified monomers exhibit high proteolytic stability, therapeutic efficacy, and potential as functional tandem repeat protein mimetics. Prior work has focused on polymers generated from structurally disordered peptides that lack defined conformations. To obtain insight into how the structure of these polymers is influenced by the folding of their peptide sidechains, a set of polymers with varying degrees of polymerization was prepared from peptide monomers that adopt α-helical secondary structure for comparison to those having random coil structures.

Tips and Tricks in the Modeling of Supramolecular Peptide Assemblies.

Supramolecular peptide assemblies (SPAs) hold promise as materials for nanotechnology and biomedicine. Although their investigation often entails adapting experimental techniques from their protein counterparts, SPAs are fundamentally distinct from proteins, posing unique challenges for their study. Computational methods have emerged as indispensable tools for gaining deeper insights into SPA structures at the molecular level, surpassing the limitations of experimental techniques, and as screening tools to reduce the experimental search space.

AI and culture: Culturally dependent responses to AI systems.

This article synthesizes recent research connected to how cultural identity can determine responses to artificial intelligence. National differences in AI adoption imply that culturally-driven psychological differences may offer a nuanced understanding and interventions. Our review suggests that cultural identity shapes how individuals include AI in constructing the self in relation to others and determines the effect of AI on key decision-making processes.

Information theory reveals physiological manifestations of COVID-19 that correlate with symptom density of illness.

Algorithms for the detection of COVID-19 illness from wearable sensor devices tend to implicitly treat the disease as causing a stereotyped (and therefore recognizable) deviation from healthy physiology. In contrast, a substantial diversity of bodily responses to SARS-CoV-2 infection have been reported in the clinical milieu. This raises the question of how to characterize the diversity of illness manifestations, and whether such characterization could reveal meaningful relationships across different illness manifestations.