Mobile genetic elements encoding antibiotic resistance genes and virulence genes in : important pathways for the acquisition of virulence and resistance.

is an opportunistic pathogen primarily associated with nosocomial infections, characterized by a propensity for multi-drug resistance and the potential evolution into hypervirulent strains. Based on its phenotypic and genotypic characteristics, can be classified into two types: classical (cKP) and hypervirulent (hvKP). The spread of mobile genetic elements (MGEs) in has led to the emergence of carbapenem-resistant (CRKP) and carbapenem-resistant hypervirulent (CR-hvKP).

Capsular Polysaccharide as a Potential Target in Hypervirulent and Drug-Resistant Treatment.

is a common cause of antimicrobial-resistant opportunistic infections in hospitalized patients. Hypervirulent (hvKP) acquiring exogenous resistance-encoding and hypervirulence-encoding genetic elements tend to develop both high virulence and resistance. The management of hvKP has also been made more difficult.

A Novel Perspective on the Role of Hydroxyl Radicals in Soil Organic Carbon Mineralization within the Detritusphere: Stimulating C-Degrading Enzyme Activities.

Detritusphere is a hotspot of carbon cycling in terrestrial ecosystems, yet the mineralization of soil organic carbon (SOC) within this microregion associated with reactive oxygen species (ROS) remains unclear. Herein, we investigated ROS production and distribution in the detritusphere of six representative soils and evaluated their contributions to SOC mineralization. We found that ROS production was significantly correlated with several soil chemical and biological factors, including pH, water-soluble phenols, water-extractable organic carbon, phenol oxidase activity, surface-bound or complexed Fe(II) and Fe(II) in low-crystalline minerals, highly crystalline Fe(II)-bearing minerals, and SOC.

Multilayer analysis of ethnically diverse blood and urine biomarkers for breast cancer risk and prognosis.

Breast cancer (BC) is one of the most common malignancies among women globally, characterized by complex pathogenesis involving various biomarkers present in blood and urine. To enhance understanding of the genetic associations between biomarkers and BC via multidimensional, cross ethnic investigations. Based on GWAS data of 35 blood and urine biomarkers from European populations, we adopted multiple analysis strategies including univariable Mendelian randomization (MR) analysis, reverse MR analysis, sensitivity analysis and multivariate MR to identify potential biomarkers associated with BC risk and survival.

DRP1: shedding light on the complex nexus of mitochondrial fission and breast cancer.

Breast cancer (BC) is a global women's health concern, with ongoing research to address diagnostic and treatment challenges. Understanding the developmental mechanisms is vital for improved clinical prevention and treatment strategies. Mitochondria, undergo dynamic processes like fission and fusion, regulated by proteins like Dynamic-related protein 1 (DRP1).

Breathable, Moisturizing Biomimetic Wound Dressing with Broad-Spectrum Antimicrobial Properties.

Maintaining wound breathability and preventing infection are crucial for moist wound healing. However, existing hydrogel dressings suffer from poor breathability and clinically used antimicrobial agents such as antibiotics, metal nanoparticles, and natural antimicrobial substances face challenges including resistance, toxicity, and high extraction costs, respectively. Inspired by the antimicrobial properties of airway surface liquid (ASL), a biomimetic moisturizing and antibacterial hydrogel dressing (BMAHD) is designed.

Astrocyte-conditional knockout of MOB2 inhibits the phenotypic conversion of reactive astrocytes from A1 to A2 following spinal cord injury in mice.

After spinal cord injury (SCI), reactive astrocytes in the injured area are triggered after spinal cord injury (SCI) and to polarize into A1 astrocytes with a proinflammatory phenotype or A2 astrocytes with an anti-inflammatory phenotype. Monopolar spindle binder 2 (MOB2) induces astrocyte stellation, maintains cell homeostasis, and promotes neurite outgrowth; however, its role in the phenotypic transformation of reactive astrocytes remains unclear. Here, we confirmed for the first time that MOB2 is associated with A1/A2 phenotypic switching in reactive astrocytes following SCI in mice.

Dumbbell probe-bridged CRISPR/Cas13a and nicking-mediated DNA cascade reaction for highly sensitive detection of colorectal cancer-related microRNAs.

Colorectal cancer (CRC) is a leading cause of cancer-related deaths globally, necessitating the development of sensitive and minimally invasive diagnostic approaches. In this study, we present a novel diagnostic strategy by integrating dumbbell probe-mediated CRISPR/Cas13a with nicking-induced DNA cascade reaction (DP-bridged Cas13a/NDCR) for highly sensitive microRNA (miRNA) detection. Target miRNA triggers Cas13a-mediated cleavage of the dumbbell probe, releasing an intermediate strand that hybridizes with a methylene blue-labeled hairpin probe on the electrode surface.

Liquid biopsy technologies: innovations and future directions in breast cancer biomarker detection.

Globally, breast cancer is the most frequent type of cancer, and its early diagnosis and screening can significantly improve the probability of survival and quality of life of those affected. Liquid biopsy-based targets such as circulating tumor cells, circulating tumor DNA, and exosomes have been instrumental in the early discovery of cancer, and have been found to be effective in stage therapy, recurrence monitoring, and drug selection. Biosensors based on these target related biomarkers convert the tested substances into quantifiable signals such as electrical and optical signals through signal transduction, which has the advantages of high sensitivity, simple operation, and low invasiveness.

Mast cell-mediated microRNA functioning in immune regulation and disease pathophysiology.

Upon stimulation and activation, mast cells (MCs) release soluble mediators, including histamine, proteases, and cytokines. These mediators are often stored within cytoplasmic granules in MCs and may be released in a granulated form. The secretion of cytokines and chemokines occurs within hours following activation, with the potential to result in chronic inflammation.

SIX1 aggravates the progression of spinal cord injury in mice by promoting M1 polarization of microglia.

Inflammation aggravates secondary damage following spinal cord injury (SCI). M1 microglia induce inflammation and exert neurotoxic effects, whereas M2 microglia exert anti-inflammatory and neuroprotective effects. The sine oculis homeobox (SIX) gene family consists of six members, including sine oculis homeobox homolog 1 (SIX1)-SIX6.

Aptamer-based DNAzyme walker electrochemical biosensing strategy for Acinetobacter baumannii detection.

In this study, an innovative electrochemical biosensor was developed for the rapid, specific, and sensitive detection of Acinetobacter baumannii without the need for sample pretreatment. The biosensor utilized an aptamer as a specific capture probe for A. baumannii and employed a self-powered DNAzyme walker cleavage cycle reaction to achieve signal amplification.

Pan-cancer association of a mitochondrial function score with genomic alterations and clinical outcome.

Mitochondria are pivotal in cellular energy metabolism and have garnered significant attention for their roles in cancer progression and therapy resistance. Despite this, the functional diversity of mitochondria across various cancer types remains inadequately characterized. This study seeks to fill this knowledge gap by introducing and validating MitoScore-a novel metric designed to quantitatively assess mitochondrial function across a wide array of cancers.

Research progress and application status of organoid in breast cancer subtypes.

Breast cancer (BC) is a prevalent malignant tumor that poses a significant health risk to women. The complexity of basic BC research and clinical treatment is influenced by multiple factors, including age, fertility, hormone metabolism, molecular subtypes, and tumor grading and staging. Traditional in vitro models often fall short of meeting modern research demands, whereas organoids-an emerging 3D primary culture technology-offer a unique platform that better replicates the tumor microenvironment (TME).

Reversible Lubricating Layer for Improving the Endoscope Field with High Transparency and Antipollution Property.

Endoscopes, a minimally invasive medical tool, are susceptible to impaired visibility due to the adhesion of biological fluids. However, traditional self-cleaning coatings face limitations in terms of transparency and sustainability, making it difficult to apply them to lenses. Inspired by the phospholipid layer of the eye, a reversible lubricating layer (RL-layer) with low-adhesion and high-transparency properties is reported.

Antimicrobial and anti-biofilm effects of dihydroartemisinin-loaded chitosan nanoparticles against methicillin-resistant Staphylococcus aureus.

The formation of biofilms enhances bacterial antibiotic resistance, posing significant challenges to clinical treatment. Methicillin-resistant Staphylococcus aureus (MRSA) is a primary pathogen in biofilm-associated infections. Its high antibiotic resistance and incidence rates make it a major clinical challenge, underscoring the urgent need for novel therapeutic strategies.

The Association between Serum Lipid Profile Levels and Hypertension Grades: A Cross-Sectional Study at a Health Examination Center.

Introduction: Hypertension and dyslipidemia are major cardiovascular risk factors that often coexist. Hyperlipidemia is a crucial modifiable risk factor in preventing cardiovascular disease.

Aim: We aimed to explore the relationship between lipid levels and the grading of hypertension in a community-based adult population.

Inflammatory markers and lymphocyte subsets in COVID-19 patients with respiratory bacterial Co-infection: Clinical implications.

Respiratory bacterial co-infections are frequently observed in COVID-19 patients. This retrospective study analysed clinical data from patients with COVID-19 and respiratory bacterial co-infections compared to those with COVID-19 alone. The findings suggest that inflammatory markers and lymphocyte subsets may be valuable for the early identification of co-infections in COVID-19 patients.