Symbolic dynamics of joint brain states during dyadic coordination.

We propose a novel approach to investigate the brain mechanisms that support coordination of behavior between individuals. Brain states in single individuals defined by the patterns of functional connectivity between brain regions are used to create joint symbolic representations of brain states in two or more individuals to investigate symbolic dynamics that are related to interactive behaviors. We apply this approach to electroencephalographic data from pairs of subjects engaged in two different modes of finger-tapping coordination tasks (synchronization and syncopation) under different interaction conditions (uncoupled, leader-follower, and mutual) to explore the neural mechanisms of multi-person motor coordination.

A Review on Integrating Breast Cancer Clinical Data: A Unified Platform Perspective.

Integrating clinical datasets in breast cancer research emerges as a necessary tool for advancing our knowledge of the disease and enhancing patient outcomes. Synthesizing diverse datasets offers advantages, from facilitating evidence-based insights to enabling predictive analytics and precision medicine strategies. Crucially, effective integration of clinical datasets necessitates collaborative efforts, policy interventions, and technological advancements to elevate global standards of breast cancer care.

A hitchhiker's guide to active motion.

Intelligent decisions in response to external informative input can allow organisms to achieve their biological goals while spending very little of their own resources. In this paper, we develop and study a minimal model for a navigational task, performed by an otherwise completely motorless particle that possesses the ability of hitchhiking in a bath of active Brownian particles (ABPs). Hitchhiking refers to identifying and attaching to suitable surrounding bath particles.

Evaluation of the consumption pattern and efficacy of Linezolid in COVID-19 hospitalized patients in a hospital in Tehran-Iran.

Background: The inappropriate use of antibiotics increases the costs of treatment, antibiotic resistance, increased disease length and duration of hospital stay.

Objectives: The aim of this study was investigating the pattern of use and effectiveness of the Linezolid in COVID-19 hospitalized patients.

Methods: In this retrospective cross-sectional analytical study was carried out from February 2020 (from the beginning of the pandemic in Iran) to the end of September 2020, 32 COVID-19 patients that used Linezolid were included.

AQbD integrated High-Performance Thin Layer Chromatographic Method for Quantitative Estimation of Tavaborole in the presence of its degradants and the matrix of nanostructured lipid carriers.

Background: Tavaborole (TAV), a benzoxaborole derivative, is an FDA-approved antifungal agent for treating onychomycosis, a common and persistent fungal infection of the toenails.

Objective: This study aimed to develop a robust stability-indicating HPTLC method to determine TAV in nanostructured lipid carriers (NLC) using a comprehensive approach that includes risk assessment, and Analytical Quality by Design.

Methods: The critical method parameters influencing the HPTLC results were screened using a Placket-Burman screening design followed by its optimization using a central composite optimization design.

Remote -selective C-H bromination of arenes using a recyclable Ru-based aminopropyl bifunctional PMO with robust imidazolium bridges.

This systematic study delves into the synthesis and characterization of robust bi-functional aminopropyl-tagged periodic mesoporous organosilica with a high loading of small imidazolium bridges in its framework (PrNH@R-PMO-IL, ∼2 mmol g of IL). The materials proved to be a reliable and enduring support for the immobilization of Ru species, demonstrating strong performance and excellent selectivity in the -bromination of various derivatives of 2-phenylpyridine compounds and other heterocycles, showcasing its effectiveness and robust nature. The synthesized materials were thoroughly characterized to determine their structural properties, such as pore size distribution, loading of organic groups, and surface area, using various analytical techniques.

Elucidating the Phase I metabolism of psilocin in vitro.

Psilocin is a well-studied controlled substance with potential psychotherapeutic applications. However, research gaps remain regarding its metabolism. Our objective was to elucidate a comprehensive Phase I metabolic profile of psilocin to support its forensic management and clinical development.

Towards effective functionalization of nanopores/nanochannels: the role of amidation reactions.

In recent years, researchers have drawn inspiration from natural ion channels to develop various artificial nanopores/nanochannels, including solid-state and biological. Through imitating the precise selectivity and single molecule sensing exhibited by natural ion channels, nanopores/nanochannels have been widely used in many fields, such as analyte detection, gene sequencing and so on. In these applications, the surface functionalization of nanopores/nanochannels directly determines the effectiveness in quantitative analysis and single molecule detection.

Coagulation in familial hypercholesterolemic patients: effect of current hypolipidemic treatment and anticoagulants.

Familial hypercholesterolemia (FH) is a relatively rare genetic disease associated with high serum cholesterol levels but also with abnormalities in blood coagulation. Novel pharmacotherapeutic approaches in FH including proprotein convertase subtilisin/kexin type 9 antibodies (PCSK9Ab) are very efficient in decreasing cholesterol levels but their impact on coagulation in FH is not yet established. Therefore, we hypothesized that these novel antidyslipidemic drugs can positively impact blood coagulation due to their more potent effect on cholesterol.

Synthesis of pyrano[3,2-]chromene-2,5-diones from 4-hydroxycoumarins and aminocrotonates under solvent-free conditions.

A new one-pot approach was developed for the construction of pyrano[3,2-]chromene-2,5-diones by reacting 4-hydroxycoumarins with ethyl 3-oxo-3-phenylpropanoates in the presence of ammonium salts or aminocrotonates under solvent-free conditions. The title compounds were formed by intramolecular cyclization through new C-C and C-O bonds. Structure assignment of compound 3e was confirmed by single crystal X-ray analysis.

Basic Science and Pathogenesis.

Background: Brain arteriolosclerosis (B-ASC) is a pathologic hallmark characterized by dysmorphic brain arteriolar wall thickening. B-ASC is a common finding at autopsy in aged persons - some degree of B-ASC is seen in >80% of brains beyond age 80 years - and is associated with cognitive impairment. Hypertension and diabetes are widely recognized as risk factors for B-ASC.

Professional Development Among African Oncologists: Examining Professional Development Activities, Satisfaction Levels, Barriers, and Enablers.

Africa is currently facing unprecedented growth in its cancer burden. Training an adequate number of skilled physicians is critical to addressing this challenge. We examine African oncology faculty's professional development (PD) activities, associated barriers, enablers, satisfaction levels, and highlight the implications for improving the quality of the oncology faculty workforce in SSA.

A Theoretical Analysis of Mass Testing Strategies to Control Epidemics.

One of the strategies used in some countries to contain the COVID-19 epidemic has been the test-and-isolate policy, generally coupled with contact tracing. Such strategies have been examined in several simulation models, but a theoretical analysis of their effectiveness in simple epidemic model is, to our knowledge, missing. In this paper, we present four epidemic models of either SIR or SEIR type, in which it is assumed that at fixed times the whole population (or a part of the population) is tested and, if positive, isolated.

A Dynamical Analysis of the Alignment Mechanism Between Two Interacting Cells.

In this work we analytically investigate the alignment mechanism of self-propelled ellipse-shaped cells in two spatial dimensions interacting via overlap avoidance. By considering a two-cell system and imposing certain symmetries, we obtain an analytically tractable dynamical system, which we mathematically analyse in detail. We find that for elongated cells there is a half-stable steady state corresponding to perfect alignment between the cells.

Analysis of Toxic Elements Pollution Sources and Crop Health Risks in Soil of Typical Thallium Mining Area.

The investigation focused on Tl, Hg, As, and Sb as the targeted contaminants in the soil surrounding a thallium mining region in southwestern China. Potential sources of toxic elements were identified using correlation analysis and principal component analysis. By interpreting the results of correlation and principal component analysis, the potential sources of Tl, Hg, As, and Sb were identified to include the mining and smelting industry.

Basic Science and Pathogenesis.

Background: Recent studies suggest genome-wide-association-studies (GWAS) loci confer their effects on microglia in late-onset Alzheimer's disease (LOAD) brains. Relatively fewer studies have investigated the effects of other genome-wide significant loci (p<5e) using human neurons.

Method: GWAS itself cannot directly identify causal variant-(effector)gene-pairs as GWAS only reports the sentinel variant at a given locus.

Basic Science and Pathogenesis.

Background: Protective brain barriers, such as blood-brain barrier, become dysfunctional with age. The BBB is a dynamic and selective barrier, gating the passage of molecules and cells to and from the brain. The function of this barrier is critical for the maintenance of brain homeostasis.

Basic Science and Pathogenesis.

Background: In Alzheimer's disease (AD), specific brain regions become vulnerable to pathology while others remain resilient. New methods of imaging such as highly multiplexed immunofluorescence (MxIF) provide an abundance of spatial information, while analytical techniques like machine learning (ML) can address questions of cellular contributors to this regional vulnerability.

Method: We performed MxIF staining for 26 markers and compared postmortem human samples from an AD-susceptible brain area, the prefrontal cortex (PFC, Brodmann's areas 9, 10 or 46) to an AD-resilient brain area, the primary visual cortex (V1, area 17).

Basic Science and Pathogenesis.

Background: Alzheimer's disease (AD) is complex and multifactorial. Precision medicine approaches are needed to capture the basis of heterogeneity in AD pathogenesis, clinical presentation and neuropathology. Large-scale molecular, deep phenotypic and exposomal data necessary to enable precision medicine research requires team-based, interdisciplinary programs.

Glial Biologist's Guide to Mass Spectrometry-Based Lipidomics: A Tutorial From Sample Preparation to Data Analysis.

Neurological diseases are associated with disruptions in the brain lipidome that are becoming central to disease pathogenesis. Traditionally perceived as static structural support in membranes, lipids are now known to be actively involved in cellular signaling, energy metabolism, and other cellular activities involving membrane curvature, fluidity, fusion or fission. Glia are critical in the development, health, and function of the brain, and glial regulation plays a major role in disease.

Basic Science and Pathogenesis.

Background: Numerous studies have identified AD-associated molecular and cellular changes to the cortex using single nucleus RNA sequencing (snRNA-seq) and, to a lesser extent, single nucleus ATAC-seq (snATAC-seq), applied to millions of cells across hundreds of donors. It has proven challenging, however, to determine whether changes are consistent because of differences in cohort selection, reported clinical metadata, data pre-processing, cellular taxonomy construction/mapping, and analytical strategies across studies.

Method: We uniformly re-processed 10 publicly available datasets (Table 1) that had applied snRNA-seq to 4.

Basic Science and Pathogenesis.

Background: Early detection and accurate forecasting of AD progression are crucial for timely intervention and management. This study leverages multi-modal data, including MRI scans, brain volumetrics, and clinical notes, utilizing Machine Learning (ML), Deep Learning (DL) and a range of ensemble methods to enhance the forecasting accuracy of Alzheimer's disease.

Method: We utilize the OASIS-3 longitudinal dataset, tracking 1,098 patients over 30 years.

Basic Science and Pathogenesis.

Background: By 2050 the number of Alzheimer's Disease (AD) patients is projected to exceed 150 million worldwide. AD is an incurable, insufficiently understood, and devastating neurodegenerative disease, with high patient heterogeneity in terms of progression, clinical manifestation (including neuropsychiatric symptoms, NPS) and, importantly, responsiveness to treatment options.[1] In the last 20 years, 98% of clinical trials for AD have failed, highlighting the urgent need to drastically change pre-clinical research to develop better predictors of drug safety and effectiveness.

Basic Science and Pathogenesis.

Background: The Alzheimer's Disease Sequencing Project (ADSP) aims to identify genetic variation contributing to the development or protection of Alzheimer's disease (AD) in diverse ancestral populations. The latest ADSP whole genome sequencing (WGS) data release includes over 36,000 individuals from 37 datasets (NIAGADS NG00067.v11 ADSP R4).