Publications by authors named "Mei M"

Article Synopsis
  • Urbanization negatively impacts natural ecosystems, leading to habitat loss and fragmentation, but urban green spaces can support biodiversity, especially for threatened species like wild bees.
  • A study in Rome identified 208 wild bee species, with one endangered and seven near-threatened species, highlighting the city's importance as a biodiversity hotspot for these pollinators.
  • The research also documented new findings for 24 bee species in Rome and detailed the composition and abundance of bee families, emphasizing the ecological importance of urban nature reserves.
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Background: Patients with acute brain injury (ABI) often exhibit gastrointestinal motility disorder and the administration of sedatives may exacerbate the gastrointestinal dysfunction. This study aims to evaluate the influences of different sedatives on gastric antrum contraction in patients with acute brain injury (ABI).

Methods: A prospective observational study was performed in 37 adult ICU patients with ABI, and 18 adult healthy volunteers were recruited as normal controls.

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Vascular cambium is the continuation of meristem activity at the top of plants, which promotes lateral growth of plants. The vascular cambium evolved as an adaptation for secondary growth, initially in early seed plants, and became more refined in the evolution of gymnosperms and angiosperms. In angiosperms, it is crucial for plant growth and wood formation.

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Sodium-glucose cotransporter 2 inhibitors (SGLT2Is) and angiotensin receptor-neprilysin inhibitor (ARNI) may cause potential renal damage, the combined impact of SGLT2Is and ARNI on acute kidney injury (AKI) remains unclear. This pharmacovigilance study conducted a disproportionality analysis using reports from the FAERS database. The reporting odds ratio (ROR) was used as an estimate for detecting AKI signal.

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T-2 toxin, a highly toxic type A trichothecene, is a secondary fungal metabolite produced by various Fusarium species. The consumption of food and feed contaminated with T-2 toxin is a major factor contributing to growth retardation, posing significant risks to both human and animal health. However, the specific targets and mechanisms that mitigate T-2 toxin-induced growth retardation remain unclear.

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Natural lignocellulose-based materials have numerous strengths such as abundance, cheap price and biodegradability, which indicates a brilliant prospect for environmental protection. This work aimed to design an efficient sorbent (NaSS-PSD) by pine sawdust (PSD) for the surveillance and management of enrofloxacin (ENR). In the study, sodium styrenesulfonate (NaSS) was chosen as an effective monomer to ameliorate the performance of PSD by graft copolymerization.

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  • Diabetic nephropathy (DN) is a severe complication of diabetes that involves damage to renal tubules, with increased levels of apolipoprotein C1 (Apoc1) in patients' serum.
  • This study investigates the molecular mechanisms behind high glucose-induced damage in kidney cells using a DN mouse model and human kidney cells, analyzing the roles of Apoc1 and Clusterin.
  • Results indicate that Apoc1 levels rise while Clusterin levels fall in DN, and knocking down Apoc1 reduces oxidative stress and cell death; Apoc1 also interacts with Clusterin, suggesting that targeting the Apoc1/Clusterin pathway could be therapeutic for DN.
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  • - A study compared the outcomes of autologous hematopoietic stem cell transplantation (AHSCT) using unmodified peripheral blood stem cells (PBSC) with maintenance therapy (mycophenolate mofetil) versus a previously studied method that involved CD34+ selected PBSC in patients with diffuse systemic sclerosis (SSc).
  • - In this trial involving 20 high-risk SSc patients, the 5-year overall survival (OS) was estimated at 85%, and event-free survival (EFS) was 75%, indicating promising results with this new approach.
  • - The research highlighted a potential risk factor for poor outcomes in patients undergoing AHSCT: having a low estimated glomerular filtration rate (
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This web-based cross-sectional study aimed to evaluate the knowledge, attitudes, and practices of physicians and hospital pharmacists towards polypharmacy in older adult patients with chronic diseases in China. This study enrolled 374 physicians and pharmacists (270 females, 92 physicians) in 20 Chinese provinces between December 2022 and March 2023. The knowledge, attitude, and practice scores were 12.

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Background: This in vitro study aimed to evaluate the effect of sodium hypochlorite (NaOCl) and ethylene diamine tetraacetic acid (EDTA) as pretreatments on the resin infiltration efficacy and acid resistance of enamel white spot lesions (WSLs).

Methods: Enamel blocks prepared from the buccal surfaces of sound human premolars were placed in a demineralisation solution for 3 days to establish artificial enamel WSLs. All the blocks with WSLs were randomly divided into four groups (n = 40 per group): RI (Control): resin infiltration only.

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The reactive molecular dynamics method was employed to examine the thermal decomposition process of aluminized hydride (AlH) containing explosive nanoparticles with a core-shell structure under high temperature. The core was composed of the explosives RDX, HMX, and CL-20, while the shell was composed of AlH. It was demonstrated that the CL-20@AlH NPs decomposed at a faster rate than the other NPs, and elevated temperatures could accelerate the initial decomposition of the explosive molecules.

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  • A gram-negative pathogen can infect both animals and humans, causing significant economic damage to livestock.
  • This study investigates the antibacterial properties of 18β-Glycyrrhetinic acid, identifying secreted proteins with eukaryotic-like domains that are regulated by this compound.
  • Results indicate that 18β-Glycyrrhetinic acid affects bacterial energy metabolism and virulence factor expression, suggesting potential for alternative antibiotic therapies in managing infections.
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  • Hyperaldosteronism causes severe hypertension, and GPER1 may play a role as a receptor for aldosterone.
  • The study tested GPER1's effects on aldosterone-induced hypertension and inflammation using GPER1-knockout and wild-type mice in various treatment groups.
  • Results showed that GPER1 deficiency reduced blood pressure and inflammatory markers, suggesting GPER1 could be a target for treatments in cases where mineralocorticoid receptor antagonists are insufficient.
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  • Oral administration of modified homogalacturonan (HG) from Ficus pumila L. shows promise in treating colitis, but its effectiveness needs improvement.
  • The study found that low-degrees of methyl-esterification (DM) in HG primarily help reduce inflammation, while high-DM HG aids in repairing the intestinal barrier, affecting gut microbiota differently.
  • Increased acetylation (DA) reduces HG's solubility and shows limited anti-inflammatory effects but helps in microbiome regulation and barrier repair, highlighting the importance of structural modifications in HG's therapeutic potential.
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Background: Melastoma dodecandrum Lour. (MD), a traditional botanical drug known for its hypoglycemic, antioxidant, and anti-inflammatory properties, is commonly used to treat diabetes, osteoarthritis, and osteoporosis. However, its specific active components against diabetic osteoporosis remain unclear.

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  • The study aimed to evaluate the effectiveness of GAPI peptide in combating bacteria and promoting remineralization in artificial enamel caries created by Streptococcus mutans.
  • GAPI treatment significantly reduced S. mutans viability and biofilm growth, resulting in less enamel damage and greater remineralization compared to the control group.
  • Findings indicated that GAPI not only decreased lesion depth and mineral loss but also improved the calcium-to-phosphorus ratio and hardness of enamel, suggesting strong antibacterial and remineralizing properties.
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The chlorine evolution reaction (CER) is a crucial solution for treating chlorine-containing wastewater, a type of wastewater generated during the chemical production process. Electrocatalysts applied are mainly dimensionally stable anodes (DSAs) such as precious metals and their oxides. In order to reduce the amounts of rare metals in the catalysts and to improve the catalytic performance, a hydrogen-passivated transition metal site strategy based on a metal-organic framework, TM(THT) (TM = Mn, Fe, Co, Ni, Tc, Ru, Rh, Pd, Re, Os, Ir, Pt), was proposed to force the CER to proceed at the sulfur (S) site.

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Objective: The objectives of this study were to develop a tooth-binding graphene quantum dots silver nanocomposites (ALN-GQDs-Ag) and evaluate their antibacterial, mineralising, and discolouring properties for the prevention of dental caries.

Methods: In this study, ALN-GQDs-Ag were developed by synthesising nano silver (Ag) with graphene quantum dots (GQDs) and functionalised GQDs with alendronate (ALN). ALN-GQDs-Ag were characterised by transmission electron microscopy (TEM), zeta potential analysis, X-ray photoelectron spectroscopy (XPS), Fourier transform infrared spectroscopy (FTIR), and Raman spectroscopy.

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  • The study addresses challenges in creating stable orange-emitting Mn-doped perovskite, focusing on uniformdopant distribution, structural integrity, and luminescent efficiency.
  • A novel one-step, water-induced synthesis method at room temperature allows for control over nanostructure shapes by adjusting water-based precursor amounts, leading to stable mixed-halide perovskites.
  • The resulting materials demonstrate remarkable stability, maintaining high photoluminescence under various conditions and achieving warm white light emission with a broad color range, suggesting potential for use in displays and lighting.
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Magnolia sieboldii K. Koch (M. sieboldii) stands as an elegant tree species within the Magnoliaceae family, esteemed for its exquisite beauty, cultural significance and economic advantages.

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Automatic segmentation of breast tumor ultrasound images can provide doctors with objective and efficient references for lesions and regions of interest. Both dataset optimization and model structure optimization are crucial for achieving optimal image segmentation performance, and it can be challenging to satisfy the clinical needs solely through model structure enhancements in the context of insufficient breast tumor ultrasound datasets for model training. While significant research has focused on enhancing the architecture of deep learning models to improve tumor segmentation performance, there is a relative paucity of work dedicated to dataset augmentation.

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Background: Dental caries remains a significant global health problem. One of the fundamental mechanisms underlying the development and progression of dental caries is the dynamic process of demineralisation/remineralisation. In vitro models have played a critical role in advancing our understanding of this process and identifying potential interventions to prevent or arrest dental caries.

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  • Hydroxyapatite (HA) is a key component of human teeth and bones, valuable for its bioactivity and ability to support bone growth, making it suitable for use as an implant coating in dental and maxillofacial surgeries.
  • However, its low fracture toughness and brittleness limit HA's use in areas subjected to heavy stress.
  • Research into substituting HA with external ions shows potential for enhancing its properties, leading to improved remineralization, antimicrobial activity, and hardness, indicating a promising direction for future dental materials and therapies.
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  • Brentuximab vedotin has been shown to improve outcomes in treating advanced classic Hodgkin's lymphoma, but it also causes more toxic side effects in adults, while many pediatric patients still need radiation therapy and face challenges with relapse.
  • A phase 3 trial involving patients aged 12 and older tested two treatment combinations: brentuximab vedotin with standard chemotherapy (BV+AVD) versus nivolumab with standard chemotherapy (N+AVD), aiming to assess progression-free survival.
  • Results indicated that N+AVD significantly enhances progression-free survival compared to BV+AVD, with a 2-year survival rate of 92% for N+AVD versus 83% for BV
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