Publications by authors named "Wenxin Wu"

Ditches and canals are omitted from global budgets of inland water emissions, despite research showing them to be emitters of greenhouse gases (GHGs). Here, we synthesize data across climate zones and land use types to show, for the first time, that global ditches emit notable amounts of carbon dioxide (CO) and nitrous oxide (NO). Ditches had higher per-area emissions of CO and NO than ponds, lakes, and reservoirs, likely due to high nutrient inputs.

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Karst reservoirs can significantly enhance the effect of biological carbon pump (BCP), a crucial process for carbon sequestration, water purification, and eutrophication mitigation. However, the effects of BCP on the fate of carbon (C), nitrogen (N), and phosphorus (P) and its role in regulating eutrophication within river-reservoir systems, remains insufficiently understood, particularly across different geological settings. We investigated the Hongfeng Reservoir (HFR), a typical karst reservoir, analyzing water chemistry, nutrient concentrations, and stable isotopes of dissolved inorganic carbon (δC) and nitrate (δN-NO) to uncover the underlying mechanisms governing the migration of biogenic elements and the process of eutrophication.

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Background: This study aimed to evaluate the effect and influence of midazolam and cartoon on postoperative behaviour in reducing preoperative anxiety in preschool children.

Methods: Three hundred children undergoing monocular strabismus correction were divided into three groups: midazolam (M), cartoon (C), and CM. Preoperative anxiety scores, cooperation scores during anaesthesia induction, awakening time, emergence agitation, and postoperative adverse behaviours were recorded.

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Background: The mechanism underlying human umbilical cord mesenchymal stem cells (hUC-MSCs) regulating the stability of atherosclerotic plaque was explored by establishing mice models of atherosclerosis induced by a high-fat diet and hUC-MSCs intervention.

Methods: The ApoE mice atherosclerosis model was constructed using a high-fat diet, and mice were divided into a normal diet group (ND), high-fat diet group (HFD), hUC-MSCs treatment group (HFDM), while the blank control (BC) consisted of C57BL/6J mice. After successful establishment of the model, the feces, hearts, and aorta of mice were collected.

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Agricultural ditches emit disproportionate amounts of nitrous oxide (NO), but their contributions to regional or global NO emissions remain unclear due to limited data. The Intergovernmental Panel on Climate Change (IPCC) recommends using emission factors (EFs) to estimate indirect NO emission, but the EF for ditches (EF) is categorized as groundwater, which potentially introduces a significant bias. This study conducted a regional-scale campaign in the North China Plain, one of the world's most intensive agricultural regions, and calculated the EF values from agricultural ditches by the concentration method (NO-N/NO-N).

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Background: The mental health of graduate students is increasingly turning into one of the main issues in global health. Understanding the antecedents of graduate students' mental health and finding ways to improve the situation are crucial for the students and the entire educational system.

Purpose: This study explores the relationship between supervisor narcissism and graduate students' mental health.

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Article Synopsis
  • - KRAS mutations lead to aggressive tumors and drug resistance in colorectal cancer, making treatment difficult, particularly with targeted therapies like regorafenib.
  • - TRIM21, influenced by ERK2 and KRAS signaling, plays a key role in regulating c-Myc, which affects glycolysis and contributes to resistance to regorafenib.
  • - Targeting TRIM21 to inhibit its phosphorylation may improve treatments for KRAS-mutant colorectal cancer, with the antidepressant vilazodone showing promise in enhancing the effectiveness of regorafenib in research models.
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  • Targeted protein degradation is a new therapeutic approach that uses the body's disposal systems to eliminate problematic proteins linked to diseases.
  • While effective in degrading many intracellular proteins, challenges remain in specifically targeting extracellular proteins, especially in relevant disease cells or tissues.
  • The study introduces a new type of compound called Folate Receptor Targeting Chimeras (FRTACs), which targets folate receptors found on cancer cells to facilitate the degradation of cancer-related proteins, showing promise for more precise cancer treatments.
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Background: Papillary thyroid carcinoma (PTC) is the most common type of thyroid cancer, the coexistence of PTC and medullary thyroid carcinoma (MTC) is uncommon. While the simultaneous occurrence of both cancers with small lymphocytic lymphoma (SLL) in lymph nodes with PTC metastasis is very rare. This study presents a unique case of concurrent PTC, MTC, and SLL, highlighting the exceptional rarity of these coexisting tumors.

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  • - Ochratoxin A (OTA) is a harmful mycotoxin classified as a possible human carcinogen that can lead to DNA damage, genomic instability, and cell cycle disruptions.
  • - A study on immortalized human gastric epithelial cells (GES-1) revealed that OTA exposure triggers G phase arrest and enhances the expression of DNA repair protein hMLH1, along with phosphorylation of p53 and p21.
  • - Inhibiting hMLH1 with siRNA prevented the activation of the p53-p21 signaling pathway and reversed the G phase arrest caused by OTA, highlighting the critical role of the hMLH1-p53-p21 pathway in this process.
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Direct RNA nanopore sequencing reveals changes in gene expression, polyadenylation, splicing, m6A methylation, and pseudouridylation in response to influenza virus exposure in primary human bronchial epithelial cells. This study focuses on the epitranscriptomic profile of genes in the host immune response. In addition to polyadenylated noncoding RNA, we purified and sequenced nonpolyadenylated noncoding RNA and observed changes in expression, N6-methyl-adenosine (m6A), and pseudouridylation (Ψ) in these novel RNA.

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Background: Age > 65 years is a key risk factor for poor outcomes after human influenza infection. Specifically, in addition to respiratory disease, non-neurotropic influenza A virus (IAV) causes neuro-cognitive complications, e.g.

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The American lobster, , is not only of considerable economic importance but has also emerged as a premier model organism in neuroscience research. Neuropeptides, an important class of cell-to-cell signaling molecules, play crucial roles in a wide array of physiological and psychological processes. Leveraging the recently sequenced high-quality draft genome of the American lobster, our study sought to profile the neuropeptidome of this model organism.

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Crustaceans serve as a useful, simplified model for studying peptides and neuromodulation, as they contain numerous neuropeptide homologs to mammals and enable electrophysiological studies at the single-cell and neural circuit levels. Crustaceans contain well-defined neural networks, including the stomatogastric ganglion, oesophageal ganglion, commissural ganglia, and several neuropeptide-rich organs such as the brain, pericardial organs, and sinus glands. As existing mass spectrometry (MS) methods are not readily amenable to neuropeptide studies, there is a great need for optimized sample preparation, data acquisition, and data analysis methods.

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Neuropeptides represent a unique class of signaling molecules that have garnered much attention but require special consideration when identifications are gleaned from mass spectra. With highly variable sequence lengths, neuropeptides must be analyzed in their endogenous state. Further, neuropeptides share great homology within families, differing by as little as a single amino acid residue, complicating even routine analyses and necessitating optimized computational strategies for confident and accurate identifications.

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Agricultural ditches are significant methane (CH) sources since substantial nutrient inputs stimulate CH production and emission. However, few studies have quantified the role of diffusion and ebullition pathways in total CH emission from agricultural ditches. This study measured the spatiotemporal variations of diffusive and ebullitive CH fluxes from a multi-level ditch system in a typical temperate agriculture area, and assessed their contributions to the total CH emission.

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Article Synopsis
  • The study developed heterojunctions of CuInS embedded in g-CN for effective activation of peroxymonosulfate (PMS) under visible light to degrade levofloxacin (LVF).
  • Characterization methods such as XRD, FTIR, SEM, and TEM were used to confirm that the created composites reduce the recombination of photogenerated electron-hole pairs.
  • The 3CIS/GCN variant showed over 98.9% efficiency in degrading LVF in 60 minutes across various pH levels, with a strong emphasis on the roles of reactive species and minimal metal leaching, indicating its potential for degrading hazardous pollutants.
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  • * Research indicates that soy-based diets may worsen conditions like seizures and autism in individuals with FXS, creating a need to identify how dietary proteins impact the syndrome.
  • * A spatial proteomics study using mass spectrometry revealed 1250 unique peptides in the FXS mouse model, showing that soy proteins may significantly affect metabolic processes and synaptic transmission in the brain, paving the way for new therapeutic targets.
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  • This study analyzes lymph node metastasis in breast cancer patients who did not undergo preoperative treatments, revealing a 25.57% occurrence in a large sample.
  • Multiple factors such as younger age, African-American ethnicity, tumor location, types of carcinoma, HER2 positivity, and tumor size were found to significantly associate with increased risk of lymph node metastasis.
  • The research highlighted the development of predictive nomograms to assist in understanding and predicting the incidence of lymph node involvement based on identified risk factors.
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Purpose: To summarize our single-center experience with percutaneous ultrasound (US)-guided radiofrequency ablation (RFA) for pediatric recurrent hepatocellular carcinoma (RHCC).

Methods: From September 2007 to September 2021, patients under 18 who underwent percutaneous US-guided RFA for RHCC were retrospectively enrolled in this study. Local effectiveness, complications, local tumor progression (LTP), progression free survival (PFS), and overall survival (OS) were evaluated.

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The most common site of metastasis in breast cancer is the bone, where the balance between osteoclast-mediated bone resorption and osteoblast-mediated bone formation is disrupted. This imbalance causes osteolytic bone metastasis in breast cancer, which leads to bone pain, pathological fractures, spinal cord compression, and other skeletal-related events (SREs). These complications reduce patients' quality of life significantly and have a profound impact on prognosis.

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AMP-activated protein kinase (AMPK) is a sensor of energy status that maintains cellular energy homeostasis. Activation of AMPK enhances the expression of proliferator-activated receptor γ coactivator 1α (PGC1-α) and subsequently activates mitochondrial transcription factor A (TFAM) to regulate mitochondrial oxidative respiratory function. The possible functions of AMPK, p-AMPK, PGC-1α, and TFAM and their interactions in astrocytomas are not known.

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Background And Objective: In cardiovascular diseases (CVDs), acute myocardial infarction (AMI) is considered one of the leading causes of human death, and its diagnosis mainly relies on the detection of the cardiac biomarker troponin I. Traditional detection methods have certain limitations, which has prompted the development of methods with higher sensitivity and specificity. In recent years, biosensors, as an emerging technology, have been widely applied in the clinical medicine and biodetection fields.

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Excessive uptake of Co is harmful to one's physical health and should not be ignored. Herein, a polyethylenimine (PEI) protected hydrophilic copper nanoclusters (PEI-CuNCs) with strong green fluorescence emission around 510 nm was apace synthesized employing a one-pot method without hyperthermia. Interestingly, the as-prepared water-soluble PEI-CuNCs can be specifically quenched by Co at pH 6.

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The traditional polarization three-dimensional (3D) imaging technology has limited applications in the field of vision because it can only obtain the relative depth information of the target. Based on the principle of polarization stereo vision, this study combines camera calibration with a monocular ranging model to achieve high-precision recovery of the target's absolute depth information in multi-target scenes. Meanwhile, an adaptive camera intrinsic matrix prediction method is proposed to overcome changes in the camera intrinsic matrix caused by focusing on fuzzy targets outside the depth of field in multi-target scenes, thereby realizing monocular polarized 3D absolute depth reconstruction under dynamic focusing of targets at different depths.

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