A combination of imaging and theory suggests a new mechanism for the remodeling of veins in vascular networks.
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| http://dx.doi.org/10.7554/eLife.88052 | DOI Listing |
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Rats and mice rapidly update timed behaviors.
Anim Cogn
January 2025
Neuroscience Department, Oberlin College, 173 Lorain St, Oberlin, OH, USA.
Keeping track of time intervals is a crucial aspect of behavior and cognition. Many theoretical models of how the brain times behavior make predictions for steady-state performance of well-learned intervals, but the rate of learning intervals in these models varies greatly, ranging from one-shot learning to learning over thousands of trials. Here, we explored how quickly rats and mice adapt to changes in interval durations using a serial fixed-interval task.
View Article and Find Full Text PDFFixation-related potentials during a virtual navigation task: The influence of image statistics on early cortical processing.
Atten Percept Psychophys
January 2025
U.S. DEVCOM Army Research Laboratory, Humans in Complex Systems, Aberdeen Proving Ground, MD, USA.
Historically, electrophysiological correlates of scene processing have been studied with experiments using static stimuli presented for discrete timescales where participants maintain a fixed eye position. Gaps remain in generalizing these findings to real-world conditions where eye movements are made to select new visual information and where the environment remains stable but changes with our position and orientation in space, driving dynamic visual stimulation. Co-recording of eye movements and electroencephalography (EEG) is an approach to leverage fixations as time-locking events in the EEG recording under free-viewing conditions to create fixation-related potentials (FRPs), providing a neural snapshot in which to study visual processing under naturalistic conditions.
View Article and Find Full Text PDFImpact of Various Forced Oxidative Stress Factors in Rapid Degradation of mAb: Trastuzumab as a Case Study.
Pharm Res
January 2025
Department of Chemical Engineering, Indian Institute of Technology Delhi, Hauz Khas, New Delhi, 110016, India.
Purpose: Therapeutic monoclonal antibodies (mAbs) are prone to degradation via aggregation and fragmentation. In this study, forced degradation of trastuzumab (TmAb) was explored in saline and in-vitro models having HO and exposed to UV light (case study 1) both bleomycin (BML) formulation and ferrous ions (Fe) (case study 2) and sodium hypochlorite (NaOCl) (case study 3).
Methods: Size exclusion chromatography, dynamic light scattering, spectroscopic analysis, and fluorescence microscope image processing was carried out for characterizing TmAb degradation.
Comprehensive assessment of the significance of cellular senescence-associated genes in neuroblastoma.
Genes Genomics
January 2025
Department of Pediatric Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450000, Henan, China.
Background: The clinical course of high-risk neuroblastoma patients remains suboptimal, and the dynamic and reversible nature of cellular senescence provides an opportunity to develop new therapies.
Objective: This study aims to identify unique markers of cellular senescence in neuroblastoma and to explore their clinical significance.
Methods: The impact of multiple genetic regulatory mechanisms on cellular senescence-associated genes (CSAGs) was first assessed.
AuNPs/GO/Pt microneedle electrochemical sensor for in situ monitoring of hydrogen peroxide in tomato stems in response to wounding stimulation.
Anal Bioanal Chem
January 2025
School of Life Sciences, Nantong University, 9 Seyuan Road, Nantong, 226019, Jiangsu, China.
Hydrogen peroxide (HO) is a critical signaling molecule with significant roles in various physiological processes in plants. Understanding its regulation through in situ monitoring could offer deeper insights into plant responses and stress mechanisms. In this study, we developed a microneedle electrochemical sensor to monitor HO in situ, offering deeper insights into plant stress responses.
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