Discovery and Characterization of a Single-Component Halogenase for Phenazine Halogenation.

Halogenated phenazines hold promise as antimicrobial and antibiofilm agents, yet are mainly accessed via chemical synthesis. Herein, we report PezW, a novel single-component flavin-dependent halogenase (FDH) that halogenates phenazine scaffolds, notably enabling enzymatic synthesis of bioactive 2-bromo-1-hydroxyphenazine () and 2,4-bromo-1-hydroxyphenazine (). Structural modeling and mutagenesis revealed key residues critical for substrate binding and catalysis.

Clinical applied anatomical study between the uncinate process of the cervical spine and the vertebral artery.

Objective: Reveal the changing rule of the positional relationship between the uncinate process of cervical spine and vertebral artery by measuring the relevant parameters between the uncinate process of cervical spine and vertebral artery in different age groups.

Methods: A retrospective study was conducted on 1240 cases of cervical spine imaging data from 2018 to 2021 in the Radiology Department of the Affiliated Hospital of Inner Mongolia Medical University. The distance between the uncinate process superior ridge and vertebral artery and the maximum of pedicle transverse angle, the minimum of pedicle transverse angle, the range of pedicle transverse angle and the pedicle width were measured according to age groups.

Multi-Omics Profiling Unveils Antifungal Secondary Metabolites Mediating LQ's Biocontrol Efficacy Against .

is a significant phytopathogen in both pre- and postharvest stages of fruit development and storage. The development of environmentally-friendly biological control agents has attracted increasing research interest. In this study, we characterized a fungal strain ( LQ) that strongly inhibits .

Stable SIFSIX-3-Ni NanoMOF Enabled Green Capture and Circular Utilization of CO/CF/CF: A Carbon-Neutral Strategy for Aluminum Electrolysis Emission Control.

The aluminum electrolysis industry generates massive greenhouse gas emissions dominated by CO and perfluorocarbons (PFCs, CF/CF), presenting dual challenges of climate impact and resource waste. Here, we report a robust nickel-based metal-organic framework (SIFSIX-3-Ni) featuring confined square channels (3.55 Å) that achieves the molecular-sieving separation of CO from CF/CF mixtures.

Expression of host-specific Lysyloxidase double-stranded RNA in Metarhizhium anisopliae enhanced virulence against the rice pest Sogatella furcifera.

Background: Entomopathogenic fungi show great potential as biological control agents for managing insect pests. However, host defenses have limited the effectiveness of these fungi in practice. Utilizing genetic engineering-based technology could be a promising strategy to enhance the killing efficiency of these fungi against insect pests.

Quantifying the Reduction of OER Overpotential on Magnetic Electrocatalysts Under Magnetic Fields.

Magnetic-field enhancement of the oxygen evolution reaction (OER) represents a promising route toward more efficient alkaline water electrolyzers, yet its origin remains debated due to overlapping effects of mass transport and reaction kinetics. Here, we present a general experimental strategy that employs strong forced convection to suppress uncontrolled transport arising from natural diffusion and magnetohydrodynamic (MHD) flows. Using polycrystalline Au electrodes, we show that this approach resolves subtle OER variations under controlled flow and field conditions.

A Precision Gene Engineered B Cell Medicine Producing Sustained Levels of Active Factor IX for Hemophilia B Therapy.

Hemophilia B gene therapy treatments currently have not addressed the need for predictable, durable, active, and redosable factor IX (FIX). Unlike conventional gene therapy, engineered B Cell Medicines (BCMs) are durable, redosable, and titratable, and thus have the potential to address significant unmet needs in the Hemophilia B treatment paradigm. BE-101 is an autologous BCM comprised of expanded and differentiated B lymphocyte lineage cells genetically engineered ex vivo to secrete FIX-Padua.

Development and Validation of a Prediction Model for Acute Ischemic Stroke Based on a Novel Ultrasound-Based Carotid Plaque Scoring System and Clinical Factors.

Background: Acute ischemic stroke (AIS) is characterized by high incidence, sudden onset, and often poor prognosis. Carotid atherosclerosis plays a crucial role in its pathogenesis, and ultrasound imaging offers a non-invasive method for evaluating carotid plaque characteristics. This study aimed to develop and validate a prediction model for AIS risk based on a novel ultrasound-based carotid plaque scoring system combined with clinical risk factors.

Hanging drop culture reprograms mesenchymal stem cell transcriptome to enhance cell delivery efficiency via attenuated pulmonary entrapment.

The three-dimensional (3D) culture system has emerged as an indispensable platform for modulating stem cell function in biomedicine, drug screening, and cell therapy. Despite a few studies confirming the functionality of 3D culture, the molecular factors underlying this process remain obscure. Here, we have utilized a hanging drop method to generate 3D spheroid-derived mesenchymal stem cells (3D MSCs) and compared them to conventionally 2D-cultured MSCs.

Cone Unit-Based Anatomical Liver Resection Guided by Preoperative Embolization and ICG Fluorescence: A Novel Surgical Strategy.

Background: The liver cone unit (Tokyo 2020 terminology) of the peripheral portal vein territory represents the smallest anatomical and functional unit of the liver. While this unit enables anatomical, subsegmental resection, particularly in patients with cirrhosis, the tumor-bearing cone unit can be challenging to identify intraoperatively. PATIENTS AND METHODS: A 58-year-old man with hepatitis C-related cirrhosis (Child-Pugh B) was diagnosed with a subcapsular hepatocellular carcinoma (HCC) in segment 8.

Oncologic Anthropology and the African Diaspora: Twenty-Year Anniversary Report, International Center for the Study of Breast Cancer Subtypes (ICSBCS).

The International Center for the Study of Breast Cancer Subtypes (ICSBCS) has played a vital role in defining and overcoming many inequities that exist in breast cancer treatment and outcome on a global basis through capacity-building programs that improve the management of breast cancer patients across the African diaspora. ICSBCS activities also fill critical gaps in disparities research related to the genetics of ancestry. Over the past 20 years, ICSBCS teams have spearheaded landmark studies documenting the relevance of genetic African ancestry to breast cancer risk, while also improving the quality of care delivered to patients in diverse communities.

Label-free immunoassay based on chemiluminescence-functionalized magnetic mesoporous nanoparticles for rapid detection of neuron-specific enolase.

Lung cancer, as one of the cancers with the highest morbidity and mortality rates in the world, requires accurate detection of its vital serum marker, neuron-specific enolase (NSE), which is a key challenge for early detection of lung cancer. However, traditional chemiluminescence immunoassay (CLIA) methods rely on labeled antibodies (Abs) and suffer from complex operations and high costs. In this work, a label-free CLIA based on CL-functionalized mesoporous magnetic nanoparticles (CuFeO@mSiO-Cys-Luminol-Au NPs) is developed for the rapid and sensitive detection of NSE.

Deciphering disease-specific glycosylation: unraveling diabetes subtypes through serum glycopattern.

Latent autoimmune diabetes in adults (LADA) is a slowly progressing form of diabetes that develops in adulthood, characterized by autoimmune destruction of pancreatic β-cells and subsequent insulin deficiency, akin to type 1 diabetes (T1D). Due to its shared genetic, immunological, and metabolic features with both T1D and type 2 diabetes (T2D), LADA is frequently misdiagnosed and inappropriately treated as T2D. To address this, we developed the A.

Association between haemoglobin levels and the risk of diabetic retinopathy in adults with type 2 diabetes: a retrospective cohort study using the TriNetX network.

Background: Diabetic retinopathy (DR) is the leading cause of preventable blindness. Although hyperglycaemia is the primary driver, other modifiable risk factors may contribute to DR development. This study investigated the association between haemoglobin levels and DR risk in adults with type 2 diabetes.

Astrocytic Mettl14 depletion enhances cognitive function by attenuating astrogliosis via the DUSP1/MAPK pathway in APP/PS1 mice: targeting neuroinflammation in Alzheimer's disease.

Alzheimer's disease (AD), a leading cause of dementia, represents a critical unmet global medical need. While the precise mechanisms underlying AD pathogenesis remain elusive, increasing evidence underscores the pivotal role of neuroinflammation in driving cognitive impairment. N6-methyladenosine (m6A), an epigenetic modification regulating RNA metabolism, has been found to be dysregulated in AD.

Linezolid versus daptomycin for VRE bloodstream infections in patients with malignancy: The impact of neutropenia on outcomes.

Objectives: Vancomycin-resistant enterococcal bloodstream infections (VRE-BSIs) carry high mortality in patients with malignancy. While neutropenia is a known risk factor for mortality in patients with malignancy and BSI, its impact on the effectiveness of daptomycin and linezolid in VRE-BSI is not well defined.

Methods: We conducted a multicenter cohort study of hospitalized patients aged ≥18 years with malignancy and VRE-BSI between 2010 and 2021.

Integrative analysis of scRNA-seq and bulk RNA-seq to identify lactylation-related gene signatures in lung ischemia-reperfusion injury after lung transplantation.

Background: Protein lactylation has been implicated in stress-responsive cellular mechanisms, yet its role in lung transplantation-associated ischemia-reperfusion injury (IRI) remains undefined.

Methods: Transcriptomic profiles from GSE145989 were analyzed through differential expression analysis (limma) and weighted gene co-expression network analysis (WGCNA). Integrating the identified genes with lactylation-related signatures uncovered key lactylation-related genes (LRGs) as potential targets.

Navigating the lunar frontier: one hundred landing sites at the south pole for future mission challenges.

Despite humanity's many lunar missions to the equatorial and mid-latitude regions, the south pole remains uncharted because of its exceptionally harsh conditions. The quest for water ice and the drive to establish lunar bases have positioned the south pole area above 80° latitude, characterized by permanently shaded regions and conducive to water ice preservation. However, the daunting terrain and intricate illumination in this area present significant challenges to engineering safety.

Multi-segment models for kinetic analysis of women during pregnancy: A systematic review.

Background: During pregnancy, significant physiological, morphological, and hormonal changes profoundly affect women's biomechanics, increasing the risk of falls and musculoskeletal complaints, especially in the third trimester. To understand movement adaptations and musculoskeletal disorders in pregnant women, kinetic analysis using pregnant-specific multi-segment or musculoskeletal models is essential. This review aims to evaluate the development, applications and limitations of such models intended for kinetic analysis in pregnancy.

Medical SAM-Clip Grafting for brain tumor segmentation.

Brain Tumor Segmentation (BTS) is crucial for accurate diagnosis and treatment planning, but existing CNN and Transformer-based methods often struggle with feature fusion and limited training data. While recent large-scale vision models like Segment Anything Model (SAM) and CLIP offer potential, SAM is trained on natural images, lacking medical domain knowledge, and its decoder struggles with accurate tumor segmentation. To address these challenges, we propose the Medical SAM-Clip Grafting Network (MSCG), which introduces a novel SC-grafting module.