Nanozyme-Based Strategies in Cancer Immunotherapy: Overcoming Resistance to Enhance Therapeutic Efficacy.

Nanozymes, which are nanomaterials that replicate the catalytic activities of natural enzymes in biological systems, have recently demonstrated considerable potential in improving cancer immunotherapy by altering the tumor microenvironment. Nanozyme-driven immune responses represent an innovative therapeutic modality with high effectiveness and minimal side effects. These nanozymes activate the immune system to specifically recognize and destroy cancer cells.

Id2 exacerbates the development of rheumatoid arthritis by increasing IFN-γ production in CD4 T cells.

Purpose: This research investigates the role of inhibitor of differentiation 2 (Id2) in the synthesis of pro-inflammatory cytokines, specifically interferon-γ (IFN-γ) and interleukin-17 (IL-17), by various subsets of T cells, and its pathogenic role in rheumatoid arthritis (RA).

Methods: Flow cytometry was employed to assess T-cell activation and Id2 expression in 72 RA patients and 23 healthy controls. In vitro, peripheral blood mononuclear cells were treated with either an Id2 inhibitor or a T-cell co-stimulation inhibitor.

Cu(II) Metal-Organic Framework as a Recyclable Heterogeneous Catalyst for Substituted Pyridine Synthesis from Cyclic Ketones with Propargylamine.

The creation of efficient and stable metal-organic framework (MOF) catalysts with coordinatively unsaturated metal sites is critical in modern organic synthesis. Herein, we reported one new Cu(II)-MOF with the chemical formula of {[Cu()(HO)]·2DMA·HO} () ( = 4,4'-((4,5)-4,5-diphenylimidazolidine-1,3-diyl)dibenzoic acid) for the annulation of cyclic ketones with propargylamine. Compound possesses a 2-fold interpenetrating 3D kagome net with one channel opening of about 20 Å in diameter.

SERS and ECL dual-mode sensing of bacterial lipopolysaccharide based on bifunctional DNA strands mediated transformation from Au@Ag nanocubes to silver nanoclusters.

Bacterial contamination is a very serious health and environmental problem, with the main source of toxicity being lipopolysaccharides in the cell walls of Gram-negative bacteria. Therefore, the development of effective analytical methods is crucial for the detection of lipopolysaccharide content. This work facilitates the efficient generation of precisely adjustable dual-mode signals for LPS detection in surface-enhanced Raman spectroscopy (SERS) and electrochemiluminescence (ECL) by inducing anisotropic morphological evolution of Au@Ag nanocubes (Au@AgNCs) through poly-cytosine (poly-C) DNA.

The Pathogenic Role of Expanded CD8⁺CD28 Angiogenic T Cells in ANCA-Associated Vasculitis.

Angiogenic T cells (Tang) are crucial in promoting angiogenesis, with the loss of CD28 serving as a marker for highly differentiated and senescent T cells. This study aims to investigate the characteristics and potential roles of CD8CD28 Tang in patients with ANCA-associated vasculitis (AAV). A cohort of AAV patients and matched healthy controls (HCs) were analyzed.

Gelatin/Poly (Lactic-Co-Glycolic Acid)/Attapulgite Composite Scaffold Equipped with Teriparatide Microspheres for Osteogenesis in vitro and in vivo.

Background: Given the risks associated with autologous bone transplantation and the limitations of allogeneic bone transplantation, scaffolds in bone tissue engineering that incorporate bioactive peptides are highly recommended. Teriparatide (TPTD) plays a significant role in bone defect repair, although achieving controlled release of TPTD within a bone tissue engineering scaffold remains challenging. This work reports a new approach for treatment of teriparatide using a water-in-oil-in-water (w/o/w) microspheres be equipped on gelatin (GEL)/Poly lactic-glycolic acid (PLGA)/attapulgite (ATP) scaffold.

Simultaneous Detection of Hydrogen Sulfide and Peroxynitrite Dysregulation with a Sequentially Activated Fluorescent Probe in Ulcerative Colitis Disease.

Ulcerative colitis (UC), often referred to as "green cancer", is a chronic inflammatory bowel disease with an unclear etiology, closely associated with the imbalance of hydrogen sulfide (HS) and peroxynitrite (ONOO). HS exhibits anti-inflammatory effects at physiological levels, but excessive concentrations can compromise the intestinal barrier, while ONOO aggravates inflammation. To facilitate the molecular-level monitoring of these compounds in UC, we developed a novel fluorescent probe, , capable of simultaneously detecting HS and ONOO via distinct fluorescent channels in a cascade mode.

Enterobactin inhibits microbiota-dependent activation of AhR to promote bacterial sepsis in mice.

Sepsis is a major cause of morbidity and mortality, but our understanding of the mechanisms underlying survival or susceptibility is limited. Here, as pathogens often subvert host defence mechanisms, we hypothesized that this might influence the outcome of sepsis. We used microbiota analysis, faecal microbiota transplantation, antibiotic treatment and caecal metabolite analysis to show that gut-microbiota-derived tryptophan metabolites including indoles increased host survival in a mouse model of Serratia marcescens sepsis.

A bifunctional naphthalimide-based fluorescent probe for imaging lysosomal peroxynitrite and viscosity in living cells and zebrafish.

Peroxynitrite (ONOO) and viscosity are critical indicators of lysosome functionality, intimately linked to numerous diseases' pathophysiological processes. Hence, creating reliable analytical techniques to observe fluctuations in lysosomal ONOO and viscosity is highly important. This study presents the development of a novel naphthalimide-based fluorescent probe, Nap-Cy, specifically designed to target lysosomes and simultaneously detect both ONOO and viscosity.

Clinical observation of Danlou tablets combined with aspirin for phlegm and blood stasis syndrome in coronary heart disease: impact on related serum factors.

Objectives: To investigate the effect of Danlou tablets combined with aspirin for treating phlegm and blood stasis syndrome in coronary heart disease (CHD).

Methods: This study is a retrospective study, a total of 120 patients with phlegm and blood stasis syndrome with CHD were randomly assigned to either a control group (aspirin, 100 mg, once daily) or an observation group (Danlou tablets, 1.5 g, three times daily; aspirin, 100 mg, once daily) at a 1:1 ratio.

The responses of root exudates and microbiome in the rhizosphere of main plant and aromatic intercrops to soil Cr stress.

Soil chromium (Cr) stress has a well-recognized negative impact on plant growth, and intercropping is a commonly used method to mitigate heavy metal toxicity to main plants. However, the responses of root exudates-microbial and their interactions among soil zones to soil Cr stress are always in need of clarification in intercropping system. In this study, three intercropping patterns (CT, Malus only; TM, Malus × Mentha and TA, Malus × Ageratum) with different soil Cr addition levels (NCR, LCR, HCR) were applied, and the rhizosphere ecological traits in the main plant (FRS) and intercrop (ARS) were investigated.

Coronary Artery Bypass Grafting Plus Mitral Valve Plasty May Not Provide More Advantage in Patients with Coronary Heart Disease and Moderate Ischemic Mitral Regurgitation: An Inverse Probability of Treatment Weighting Retrospective Cohort Study.

Objective: To compare the efficacy of isolated off-pump coronary artery bypass grafting (OPCABG) and of coronary artery bypass grafting (CABG) plus mitral valve plasty (MVP) in treating coronary heart disease with moderate ischemic mitral regurgitation to find a better surgical method.

Methods: Clinical data of 822 patients diagnosed with coronary heart disease and moderate ischemic mitral regurgitation were analyzed retrospectively. Patients were divided into the OPCABG and CABG+MVP groups according to surgical methods.

Mature compost enhanced the harmlessness level in co-composting swine manure and carcasses in large-scale silo reactors.

This study aimed to investigate the impact of incorporating mature compost on the harmlessness and maturity level of composting from swine manure and carcasses from industrialized pig farms in continuously running large-scale silo reactor systems. The potential human or animal bacterial pathogens and core bacterial community in composting were analyzed by high-throughput sequencing of 16S rRNA gene amplicons. The results showed that the addition of mature compost in the GD group significantly increased the temperature of all depths, the accumulated temperature of compost, and the germination index (75.

Psychological Risk Factors on Hematopoietic Stem Cell Transplantation Patients: Insights From National Readmission Database Analysis.

Background: Psychosocial risk factors (PSRFs) have emerged as important nontraditional risk factors for poor medical outcomes but have not been well-studied in the field of hematopoietic stem cell transplantation (HSCT).

Objectives: In this study, we retrospectively examined in-hospital and short-term outcomes in patients with PSRFs who underwent HSCT.

Methods: We used the National Readmission Database (NRD) to identify patients who underwent HSCT between 2011 and 2020.

CCR5 mediates rheumatoid arthritis progression by promoting the activation and proliferation of non-classical Th1 cells.

Aim: Rheumatoid arthritis (RA) is a prevalent autoimmune disease characterized by immune dysegulation, including an immune imbalance due to abnormal activation of non-classical Th1 cells (CD161 Th1). This study investigated the effects of CCR5 on the activation and proliferation of CD161 Th1 and their pathogenicity in patients with RA.

Methods: The study was conducted on 53 patients with RA and 32 age- and sex-matched healthy controls (HC).

Spatial transcriptomics analysis identifies therapeutic targets in diffuse high-grade gliomas.

Introduction: Diffuse high-grade gliomas are the most common malignant adult neuroepithelial tumors in humans and a leading cause of cancer-related death worldwide. The advancement of high throughput transcriptome sequencing technology enables rapid and comprehensive acquisition of transcriptome data from target cells or tissues. This technology aids researchers in understanding and identifying critical therapeutic targets for the prognosis and treatment of diffuse high-grade glioma.

Immunogenicity and safety of two-dose or three-dose regimens of inactivated COVID-19 vaccines in patients with pulmonary tuberculosis: a randomised clinical trial.

Background: To assess the immunogenicity and safety of two-dose regimen of inactivated COVID-19 vaccines in patients with pulmonary tuberculosis (PTB) and explored the potential benefits of additional dose.

Research Design And Methods: In total, 182 PTB patients were randomly (1:1) assigned to the standard-dose group to receive three standard doses of inactivated COVID-19 vaccines, or the double-dose boosting group to receive two standard doses plus a double dose, with a 28-day interval. Forty healthy controls were assigned to receive two doses of inactivated COVID-19 vaccines 28 days apart.

Alginate/chitosan-based hemostatic microspheres loaded with doxorubicin liposomes for postoperative local drug delivery in solid tumor.

In clinical solid tumor treatment, intraoperative bleeding, compromised postoperative recovery, and increased non-specific toxicity from chemotherapy are always challenges. To address these limitations, we developed and well characterized novel alginate/chitosan-based hemostatic microspheres loaded with doxorubicin liposomes. The multifunctional microspheres exhibited optimal drug loading capacity and excellent drug encapsulation efficiency.