Publications by authors named "Chen Dawei"

A comprehensive understanding of the dynamic changes in plasma cells (PCs) during inflammation remains elusive. In this study, we analyzed the distinct responses of PCs across different phases of inflammation in a dextran sodium sulfate (DSS)-induced mouse colitis model. Six-week-old male C57BL/6 mice were treated with 2.

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Background: Acute kidney injury (AKI) is common in patients with community-acquired pneumonia (CAP) and is associated with increased morbidity and mortality.

Objective: This study aimed to establish and validate predictive models for AKI in hospitalized patients with CAP based on machine learning algorithms.

Methods: We trained and externally validated 5 machine learning algorithms, including logistic regression, support vector machine, random forest, extreme gradient boosting, and deep forest (DF).

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Background: The relationship between serum klotho level and albuminuria is unknown in middle-aged and elderly participants without diabetes mellitus (DM). Therefore, we will investigate the association between serum klotho level and albuminuria in middle-aged and elderly participants without DM.

Methods: Participants (aged 40-79) were from the five continuous cycles (2007-2016) of the National Health and Nutrition Examination Survey (NHANES).

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A high degree of hydrolysis can reduce the allergenicity of milk, while lactic acid bacteria (LAB) fermentation can further enhance the antioxidant ability of enzymatic milk. LAB with a strong antioxidant ability was screened, and the effects of LAB on the bitterness, taste and flavor of enzymatic skim milk (ESM) with a high degree of hydrolysis were investigated in this paper, in addition to the response surface methodology optimized the conditions of the LAB fermentation of ESM. The results indicate that the skim milk hydrolyzed by Protamex has a higher degree of hydrolysis and lower bitterness.

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Background: The role of cancer-associated fibroblasts (CAFs) in modulating the anti-tumor immune response in lung adenocarcinoma (LUAD) remains elusive, primarily due to the heterogeneous nature of these cells. This heterogeneity muddles the understanding of their impact on immunotherapy effectiveness.

Methods: We utilized the LUAD single-cell dataset to precisely classify tumor cells and CAFs.

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In our present study, we investigated the interaction between HSCs and HCC, also explored the molecular mechanism. Clinical samples were collected from HCC and adjacent tissue with different degree of liver fibrosis. HCC cells were co-cultured with LX-2 cell by Transwell system or cultured with conditioned medium (CM), which was collected from LX-2.

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Article Synopsis
  • Lung cancer remains a major global health issue, with updated estimates for 2022 indicating about 2.48 million new cases and 1.8 million deaths, underscoring its dominance as the most diagnosed cancer and leading cause of cancer-related fatalities.
  • The study analyzed data from the GLOBOCAN 2022 database, focusing on trends by sex, region, and human development index (HDI), illustrating disparities in lung cancer rates.
  • Projections suggest that if current trends persist, lung cancer cases could rise to 4.62 million and deaths to 3.55 million by 2050, highlighting the need for effective control measures.
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  • - Recent advances in immunotherapy for small cell lung cancer (SCLC) highlight immune checkpoint inhibitors (ICIs) as the new standard first-line treatment for extensive-stage SCLC, bolstered by the ADRIATIC trial emphasizing ICI maintenance therapy.
  • - Combining radiotherapy with ICIs has shown promising results, and ongoing studies are exploring ICI combinations with targeted therapies, including the newly FDA-approved tarlatamab for second-line treatment of extensive-stage SCLC.
  • - Despite these improvements, the overall clinical benefits of immunotherapy in SCLC remain modest, indicating a need for more research to optimize treatment strategies and enhance effectiveness.
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The colonization ability of DALI02 and the promoting effect of fermented prebiotics have been studied. This study aims to evaluate the systemic immunomodulatory effects of DALI02 and DALI02 + Prebiotics on cyclophosphamide-induced immunosuppressed rats. We found that DALI02 and DALI02 + Prebiotics, especially DALI02 + Prebiotics, exhibited significant restorative effects on the immunocompromised state in rats ( < .

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  • Tumor metastasis is a critical issue in the study of malignant tumors, and recent research has begun to explore how nanotechnology can impact this process.
  • Unlike earlier studies that aimed to stop metastasis using nanomaterials, this review focuses on understanding how some nanomaterials might actually promote tumor metastasis through specific mechanisms.
  • Key mechanisms identified include facilitating the transition of tumor cells to a more invasive state, interacting with blood vessels, and inducing inflammation, all of which can enhance metastasis and indicate a need for safer nanomaterial development.
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Objective To prepare a Fc-silent chimeric antibody against human CD36 and analyse its bioactivity and phagocytic effect on CD36(+) platelets. Methods The genes encoding V and V fragments of the monoclonal antibody (mAb) 32-106 were obtained through RNA extraction from hybridoma cell lines, PCR amplification and sequence analysis. By using gene synthesis and recombination techniques, the vectors expressing light and heavy chains of the chimeric antibody against human CD36 were constructed.

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Background: Given that only a small subset of patients with advanced non-small-cell lung cancer (aNSCLC) benefit from immune checkpoint inhibitors (ICIs), the effectiveness of ICIs is often compromised by the complex interplay within the tumor microenvironment (TME).

Objectives: To identify predictive biomarkers associated with ICI resistance at a multi-omics spatial level.

Design: A total of eight aNSCLC patients who received first-line anti-programmed cell death protein-1 (PD-1) monoclonal antibody camrelizumab at Shandong Cancer Hospital and Institute between 2021 and 2022 were included in the discovery cohort.

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Systemic inflammation is involved in developing acute kidney injury (AKI) after cardiac surgery with cardiopulmonary bypass (CPB). Ulinastatin, a urinary trypsin inhibitor (UTI), has various anti-inflammatory effects. Our previous data displayed that UTI administration during CPB played a protective role in reducing the risk of AKI after cardiac surgery; however, its role in AKI pathogenesis remains unknown.

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CD36, also known as glycoprotein IV, is classified into two distinct subgroups based on the presence or absence of its expression on monocytes. The CD36 gene spans approximately 50,000 base pairs. Historically, research has focused on identifying CD36 mutations through Sanger sequencing and next-generation sequencing (NGS), with limited exploration of haplotypes.

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  • This study presents an innovative approach for sustainable urea synthesis using electrocatalytic C-N coupling from carbon dioxide and nitrate, offering a less energy-intensive alternative to traditional methods.
  • Copper phthalocyanine (CuPc) is identified as an effective catalyst, with modifications (like amino substitution) enhancing its activity and stability due to better electronic structure and reduced demetallation.
  • The researchers achieved a significant improvement in urea yield with the modified CuPc-Amino catalyst, demonstrating a yield of 103.1 mmol h g, and provided insights into the reaction mechanisms using advanced electrochemical techniques.
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  • RECQL4 is a DNA helicase essential for DNA replication, repair, and tumor growth, and its role in cervical cancer was explored using data from The Cancer Genome Atlas.
  • The study found RECQL4 levels were higher in cervical cancer patients and linked to worse prognosis; silencing RECQL4 decreased cancer cell growth, migration, and invasion while promoting cell death.
  • The research revealed that RECQL4 influences cancer behavior through the PI3K/AKT pathway and points to potential treatment strategies targeting RECQL4 in cervical cancer.
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is widely used in traditional Chinese medicine and contains rich bioactive compounds. These compounds often have a methyl group at their 4'-OH position catalyzed by methyltransferases. Therefore, studying methyltransferases in plants is of great significance.

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  • Organophosphate esters (OPEs) and their metabolites (mOPEs) are increasingly recognized as harmful environmental pollutants, prompting the need for better analytical methods to measure them in human samples.
  • This study developed a streamlined analytical technique using cold-induced liquid-liquid extraction (CI-LLE) and HPLC-MS/MS to simultaneously detect 18 OPEs and 10 mOPEs in human serum, urine, and milk.
  • Results confirmed that the method had high sensitivity (with detection limits as low as 0.1 pg/mL), good recovery rates (80-123%), and minimal interference from the sample matrix, highlighting the widespread presence of OPEs and mOPEs in humans.
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Introduction: In this study, we report a novel therapeutic approach redirecting antigen-specific CD4 T cells recognizing a hybrid insulin peptide (BDC2.5 T cell receptor (TCR) transgenic CD4 T cells) to attract and suppress islet-specific CD8 T cells T cells in the non-obese diabetic (NOD) mouse model, and prevent the development of autoimmune diabetes.

Methods: Purified BDC2.

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Background: Endoscopic submucosal dissection (ESD) is a widely utilized treatment for early esophageal cancer. However, the rising incidence of postoperative esophageal stricture poses a significant challenge, adversely affecting patients' quality of life and treatment outcomes. Developing precise predictive models is urgently required to enhance treatment outcomes.

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Unlabelled: The endophyte is closely related to medicinal plant growth and development, stress resistance, and active ingredients' accumulation. However, a seasonal succession of endophytes and the association with active ingredients is still unclear. In this study, we used high-throughput sequencing methods to compare the endophyte diversity of under different seasons and analyze the association between endophytes and five active ingredients.

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The association between vitamin D concentrations and the occurrence of diabetic foot ulcers (DFUs) remains a topic of ongoing debate. In order to provide a comprehensive and updated review, we conducted this meta-analysis to further investigate the relationship between vitamin D concentrations and DFUs occurrence. The following databases, including Cochrane Library, EMBASE, Web of Science, PubMed, CBM, CNKI, WANFANG DATA and VIP Database, were systematically searched for studies published up to Dec.

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Purpose: There exists a dearth of research concerning non-small cell lung cancer (NSCLC) patients experiencing overall progressive disease concomitant with shrinking lesions after immunotherapy. This is a special type of mixed response. We aim to evaluate the clinical characteristics and treatment options of these patients during immunotherapy.

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Pathogenic microorganisms have been detected in fermented food. Combining the enormous class of the pathogens and their continuously appearing mutants or novel species, it is important to select suitable and safe antibacterial agents for fermented food safety. Lactic acid bacteria (LAB) which produce diverse imperative antimicrobial metabolites have an immense number of applications in the food industry.

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Article Synopsis
  • Dioecious plants exhibit distinct morphological and physiological characteristics between males and females, yet the differences in their rhizosphere microbiomes were previously understudied.
  • This research employed amplicon sequencing to assess microbial diversity and community composition in the rhizosphere of male and female dioecious plants across various habitats, revealing notable differences in microbial richness and network complexity.
  • Findings identified unique fungal and bacterial phyla associated with each sex and highlighted their correlation with soil properties, suggesting potential biomarkers for identifying male and female plants and emphasizing the importance of plant-microbe interactions.
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