Publications by authors named "Xiyuan Xu"

Background: Biliary atresia (BA) is a severe congenital biliary developmental abnormality threatening neonatal health. Traditional diagnostic methods rely heavily on experienced radiologists, making the process time-consuming and prone to variability. The application of deep learning for the automated diagnosis of BA remains underexplored.

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Background: Benralizumab is indicated as add-on therapy in patients with uncontrolled, severe eosinophilic asthma; it has not yet been evaluated in a large Asian population with asthma in a clinical trial.

Objective: To evaluate the efficacy and safety of benralizumab in patients with severe asthma in Asia.

Methods: MIRACLE (NCT03186209) was a randomized, Phase 3 study in China, South Korea, and the Philippines.

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Microplastics (MPs) have been shown to be a new type of pollutant in the oceans, with complex biofilms attached to their surfaces. Bacteria with quorum sensing (QS) systems are important participants in biofilms. Such bacteria can secrete and detect signal molecules.

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To investigate the effect of surgical starting time and season on the prognosis of octogenarians with colorectal cancer. A total of 291 patients aged 80 years or above who received elective colectomy for colorectal cancer between January 2007 and December 2018 in the National Cancer Center in China were included. No significant time- or season-dependent difference in overall survival for all clinical stages was found in the study.

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Article Synopsis
  • Anesthesia choice can significantly affect cancer progression and patient outcomes, particularly in hepatocellular carcinoma (HCC), by influencing tumor microenvironments and related pathways.
  • Various anesthetics, such as propofol and sevoflurane, may help reduce surgery-induced stress responses and have shown anti-tumor effects, while others like dexmedetomidine and opioids might promote tumor growth.
  • For optimal management during open liver resection in HCC patients, techniques like propofol-based intravenous anesthesia and local anesthesia can minimize stress responses and improve long-term outcomes; however, further research is needed to validate these findings.
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Acute respiratory distress syndrome/acute lung injury (ARDS/ALI) involves acute respiratory failure characterized by vascular endothelial and lung alveolar epithelial injury. Endothelial progenitor cells (EPCs) can mediate vasculogenesis. However, the limitations of EPCs, such as low survival and differentiation, are believed to inhibit the effectiveness of autologous cell therapies.

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The early diagnosis and treatment of sepsis are of particular importance to patient survival. To obtain novel biomarkers that serve as prompt indicators of sepsis, the current study screened the differentially expressed microRNAs (DEMs) that were associated with sepsis susceptibility. The correlation between the elucidated DEMs and the inflammatory response was also examined.

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Hypoxic pulmonary hypertension (HPH), a form of pulmonary hypertension (PH) caused by hypoxia, could cause serious complications and has a high mortality rate, and no clinically effective treatments are currently available. In this study, we established an HPH preclinical model in rats by simulating clinicopathological indicators of the disease. Our results showed that high mobility group box-1 protein (HMGB1) aggravated the clinical symptoms of HPH.

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Sepsis serves as a leading cause of admission to and death of patients in the intensive care unit (ICU) and is described as a systemic inflammatory response syndrome caused by abnormal host response to infection. Adipose‑derived mesenchymal stem cells (ADSCs) have exhibited reliable and promising clinical application potential in multiple disorders. However, the function and the mechanism of ADSCs in sepsis remain elusive.

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The quorum sensing (QS) system plays a significant role in the bacteria-bacteria or plant-bacteria relationships through signal molecules. However, little is known about the distribution and functional diversity of QS bacteria in the root environment of Suaeda glauca and Phragmites australis in coastal wetlands. We explored the bacterial community by amplicon sequencing and isolated 1050 strains from the rhizosphere soil and root tissues of S.

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Src tyrosine kinase is a protein encoded by the Src gene. The present study aimed to determine the role of Src protein kinase in asthma using small interfering RNA (siRNA) technology. Several Src siRNAs were designed and the most effective siRNA pair was selected.

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It has been proven that the relationship between microalgae and bacteria affects the dynamic process of harmful algal blooms (HABs). Microalgae-associated microorganisms widely exist in the phycosphere and play an essential role in algae-bacteria cross-kingdom interactions. Among these processes, quorum sensing (QS), as a communication system of bacteria, is thought to participate in algae-bacteria interactions.

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Article Synopsis
  • - The study investigates idiopathic pulmonary fibrosis (IPF), a severe lung disease, aiming to find biomarkers for its diagnosis and prognosis, using miRNA and gene expression analyses.
  • - Researchers identified 343 differentially expressed genes and 21 miRNAs, highlighting potential biomarkers such as CLDN18, COL6A3, and MYRF, alongside specific regulatory miRNA relationships.
  • - While potential biomarkers were identified, further experimental research is necessary to fully understand their roles in IPF pathology and treatment.
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  • The study aimed to explore how low oxygen levels (hypoxia) affect the expression of HMGB1 and related inflammatory factors in human pulmonary artery cells.
  • Under hypoxic conditions, both smooth muscle cells (HPASMC) and endothelial cells (HPAEC) showed increased levels of HMGB1 and other inflammatory markers, indicating a response to low oxygen.
  • HMGB1 was found to inhibit the growth of endothelial cells but did not significantly affect the smooth muscle cells; however, hypoxia did stimulate these muscle cells to release inflammatory cytokines.
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Microplastics have emerged as new pollutants in oceans. Nevertheless, information of the long-term variations in the composition of plastic-associated microbial communities in coastal waters remains limited. This study applied high-throughput sequencing to investigate the successional stages of microbial communities attached to polypropylene and polyvinyl chloride microplastics exposed for one year in the coastal seawater of China.

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sp. strain D3 was isolated from the plastisphere of polyvinyl chloride (PVC) in coastal water of Qingdao, China. Here, we present the complete genome sequence of strain D3, which consists of a chromosome of 3,926,685 bp with a G+C content of 64.

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  • A pilot study suggested that noninvasive ventilation (NIV) may lower intubation rates compared to standard oxygen treatment in patients with early mild acute respiratory distress syndrome (ARDS).
  • The main objective was to assess if early use of NIV could reduce the need for invasive ventilation in patients suffering from pneumonia-induced early mild ARDS through a randomized controlled trial.
  • Results showed no significant difference in intubation rates or ICU mortality between the NIV and control groups, despite NIV offering better oxygen levels initially; high minute ventilation was identified as a potential predictor for NIV failure.
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  • Water-soluble polysaccharides extracted from Gleditsia japonica var. delavayi seeds were identified as galactomannan, with a specific M/G ratio and high molecular weight.
  • The structure of these polysaccharides was analyzed using various techniques, revealing a main chain of β-1,4-d-mannopyranose with branches of α-1-d-galactopyranose.
  • The results indicated the absence of starch, the formation of a network structure of fibers, and that these polysaccharides have a tendency to form random coil configurations in solution.
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Human umbilical cord mesenchymal stem cells (hUC-MSCs) are potential stromal cells which are regarded as the most feasible stem cell group in cell therapy. The maintenance of cell survival without differentiation is important in cell transplantation and stem cell therapy. However, negative factors exist in cell transplantation.

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Objective: To detect the expression changes of proton-sensing receptor G2 accumulation (G2A) and ovarian cancer G protein-coupled receptor 1(OGR1) in human peripheral blood cells in hypoxic pulmonary hypertension patients(HPH).

Methods: Thirty-one patients with HPH were enrolled for HPH group(16 men and 15 women,age:(65.19±5.

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  • The study investigated the impact of genetic factors and protein levels of TLR4 and TIRAP on sepsis susceptibility in 106 sepsis patients and 100 healthy controls.
  • Genetic polymorphisms in the TLR4 and TIRAP genes were not found; however, protein expression levels differed significantly among the patient groups based on sepsis severity.
  • Higher protein expression levels of TLR4 and TIRAP were associated with increased severity of sepsis, indicating their potential role in understanding the condition rather than relying solely on genetic variations.
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Objective: To investigate the effect of noninvasive positive pressure ventilation( NIPPy) on the gene and protein expression of biquitin-proteasome of skeletal muscle in patients with acute exacerbation of chronic obstructive pulmonary disease(AECOPD).

Methods: Seven patients with AECOPD by NIPPV were used as the study group, meanwhile, 6 patients with AECOPD who refused NIPPV was the control group. The blood gas analysis, heart rate (HR) and mean arterial pressure (MBp) were monitored before and 14 days after treatment.

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  • The study aimed to explore the effects of endothelial progenitor cells (EPCs) transplantation on rats suffering from sepsis induced by lipopolysaccharides (LPS).
  • The experiment involved three groups of rats: a control group, a model group with induced sepsis, and a group receiving EPCs after LPS injection, with various methods used to analyze the results, including imaging, ELISA, and RT-PCR.
  • Results showed that EPCs successfully localized near blood vessels, and their transplantation significantly reduced inflammation, indicated by lower levels of specific interleukins and improved tissue conditions in lungs, liver, and kidneys.
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Background: This phase II study is performed to evaluate the efficacy and safety of capecitabine combined with preoperative radiotherapy (RT) in Chinese patients with locally advanced rectal cancer (LARC).

Methods: Between February 2007 and December 2008, 62 patients with LARC were treated with capecitabine (825 mg/m(2), twice daily) and concurrent RT (50.4 Gy/28 fractions).

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