Publications by authors named "XiaoJun Yuan"

The phosphorylation of nucleic acids mediated by 5'-polynucleotide kinase (PNK) exerts a crucial regulatory function in a wide range of significant cellular activities. Nevertheless, the current approaches for detecting PNK require expensive labeled probes and complex instrumentation, making it impossible to achieve real-time, on-site, and rapid analysis. Here, we take T4 PNK as a model and establish a novel colorimetric strategy for the detection of PNK activity and its inhibition by means of a coupled enzyme-assisted cyclic strand displacement amplification (SDA) and peptide nucleic acid (PNA)-gold nanoparticle (AuNP) based platform.

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Background: Abnormal programmed cell death (PCD) plays a central role in spermatogenic dysfunction. However, the molecular mechanisms and biomarkers of PCD in patients with nonobstructive azoospermia (NOA) remain unclear.

Methods: The genetic conditions of NOA patients were analysed using bulk transcriptomic, single-cell transcriptomic, single nucleotide polymorphism (SNP), and clinical data from multiple centres.

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Background: Changes in the oxidative stress and lipid metabolism (OSLM) pathways play important roles in polycystic ovarian syndrome (PCOS) pathogenesis and development. Consequently, a systematic analysis of genes related to OSLM was conducted to identify molecular clusters and explore new biomarkers that are helpful for the diagnostic of PCOS.

Methods: Gene expression and clinical data from 22 PCOS women and 14 normal women were obtained from the GEO database (GSE34526, GSE95728, and GSE106724).

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Context: Representation of racial and ethnic minority groups and sexual and gender minority groups is limited on public health data dashboards. The small size of these populations leads to data being aggregated or suppressed to produce stable estimations and preserve individuals' information privacy. This might, however, limit the usefulness of the represented data for identifying individuals' risk factors and allocating services.

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Background: Dysregulation of RNA guanine-7 methyltransferase (RNMT) plays a crucial role in the tumor progression and immune responses. However, the detailed role of RNMT in pan-cancer is still unknown.

Methods: Bulk transcriptomic data of pan-cancer were obtained from the Cancer Genome Atlas (TCGA), Genotype-Tissue Expression (GTEx), and Cancer Cell Line Encyclopedia (CCLE) databases.

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Background: Although clear cell sarcoma of kidney (CCSK) is rare, it is the second most common renal tumor in children after Wilms' tumor. NWTS and SIOP are two major groups which had made tremendous efforts on renal tumors, but the strategies are different, for NWTS follows the upfront surgery principle providing definite pathology and the SIOP follows the upfront chemotherapy principle, each has its own advantages. Here we aimed to evaluate the outcomes of CCSK in China following NWTS strategies to analyze the prognostic factors.

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Background: While limited studies have evaluated the health impacts of thunderstorms and power outages (POs) separately, few have assessed their joint effects. We aimed to investigate the individual and joint effects of both thunderstorms and POs on respiratory diseases, to identify disparities by demographics, and to examine the modifications and mediations by meteorological factors and air pollution.

Methods: Distributed lag nonlinear models were used to examine exposures during three periods (i.

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Background: Infantile hepatic hemangioma (IHH) is a common vascular, fast-growing hepatic tumor that is usually accompanied by multiple cutaneous hemangiomas. Diffuse IHH (DIHH) is a rare type of IHH that exhibits many tumors with nearly complete hepatic parenchymal replacement. At present, there is no specific standardized treatment plan for DIHH.

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Background: Over the past 2 decades, population-based studies have shown an increased association between asthma and the risk of lung cancer. However, the causal links between these 2 conditions remain poorly understood.

Methods: We conducted a comprehensive search of various databases, including PubMed, Embase, Web of Science, and Cochrane Library, up until May 04, 2023.

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Background: Elevated levels of cardiac troponin and abnormal electrocardiogram changes are the primary basis for clinical diagnosis of acute coronary syndrome (ACS). Troponin levels in ACS patients can often be more than 50 times the upper reference limit. Some patients with subarachnoid hemorrhage (SAH) also show electrocardiogram abnormalities, myocardial damage, and elevated cardiac biomarkers.

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The offshore ocean heat supplied to the Antarctic continental shelves by warm eddies has the potential to greatly impact the melting rates of ice shelves and subsequent global sea level rise. While featured in modeling and some observational studies, the processes around how these warm eddies form and overcome the dynamic sub-surface barrier of the Antarctic Slope Front over the upper continental slope has not yet been clarified. Here we report on the detailed observations of persistent eddies carrying warm modified Circumpolar Deep Water (CDW) onto the continental shelf of Prydz Bay, East Antarctica, using subsurface mooring and hydrographic section data from 2013-2015.

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Article Synopsis
  • This study looked at new ways to test for neuroblastoma (a type of cancer) using certain genes known as NB5 to see if they can help doctors predict how the disease behaves.
  • Researchers collected samples from patients and tested them using a special method called RT-PCR to see how well the NB5 genes were expressed.
  • The results showed that testing bone marrow samples was more accurate in finding the cancer compared to another method called flow cytometry, which helps doctors understand how the disease might progress.
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Unlabelled: Patients with high-risk neuroblastoma (HR-NB) exhibit suboptimal 5-year survival rates, leading to a widespread international preference for high-intensity chemotherapeutic regimens in these children. We analyzed the incidence and risk factors for complications during induction chemotherapy in children with HR-NB and tried to assist clinicians in predicting such complications and optimizing therapeutic strategy. The clinical data of children with HR-NB admitted to our hospital from January 2007 to December 2019 were retrospectively analyzed.

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Article Synopsis
  • Researchers studied survival chances for Chinese kids with a type of liver cancer called hepatoblastoma and looked at a new treatment from 2016.
  • They found that most kids (93.5%) survived well after four years, and younger kids or those without advanced cancer had the best chances.
  • The results showed that if kids had a big drop in a specific blood marker, they tended to do even better after treatment.
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Background: Uric acid is the end product of the purine metabolism pathway, and has been linked to cancer risks and prognosis, but its relationship with hepatoblastoma (HB) remains unclear. This study aims to investigate the association between serum uric acid (SUA) and the advanced tumor staging and unfavorable extra-parenchymal tumor characteristics in patients with HB.

Methods: This study enrolled pediatric patients from Xinhua Hospital between 2007 to 2021.

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The study explores the use of COVID-19 related apps for contact tracing deployed in New York State (NYS). The project seeks to understand potential differences in perception, adoption, or privacy concerns among racial and ethnic populations and across age groups. Using the Antecedent-Privacy Concerns-Outcomes (APCO) framework and the perceived usefulness construct, this study explores factors influencing the individual level adoption of these apps.

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Background: Extraosseous Ewing's sarcoma/primary neuroectodermal tumor (EES/PNET) is a rare, malignant, small round blue cell tumor, which usually involves the larynx, kidneys, and esophagus. The most common metastatic sites are lung and bone. The incidence of epidural EES/PNET was 0.

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Peripheral neuroblastic tumors (PNTs) represent a spectrum of neural-crest-derived tumors, including neuroblastoma, ganglioneuroblastoma, and ganglioneuroma. Malignant cells in PNTs are theorized to interconvert between adrenergic/noradrenergic and mesenchymal/neural crest cell states. Here, single-cell RNA-sequencing analysis of 10 PNTs demonstrates extensive transcriptomic heterogeneity.

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This study aimed to confirm the independent risk factors for recurrence-free survival (RFS) in intermediate and high-risk neuroblastoma (NB) patients and set up an effective nomogram model for predicting the recurrence of NB. A total of 212 children with intermediate- and high-risk neuroblastoma, who had ever achieved complete remission (CR) or very good partial remission (VGPR) after standardized treatment in this hospital, were chosen as study objects. After retrospective analysis of the clinical data, Cox regression model was used to explore the factors related to the recurrence of neuroblastoma, to determine the variables to construct the Nomogram.

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Purpose: The study aims to access the value of B-cell lymphoma/leukemia 11A (BCL11A) in the prognosis of patients with neuroblastoma (NB) and to explore its role and possible mechanism in NB.

Methods: Tumor specimens from 53 children with neuroblastoma were evaluated for the relationship between BCL11A expression level and prognosis of NB patients. Online datasets like SEQC and Asgharzadeh were analyzed to further check out the suppose.

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Objectives: 10-Methacryloyloxydecyl dihydrogen phosphate (MDP) has been regarded as the most effective dentin-bonding monomer for more than 20 years. Although the dentin-bonding promoting effect of MDP has been well demonstrated, the mechanisms by which it benefits the stably of collagen within the adhesive-dentin hybrid layer are not currently fully understood. The objective of this study was to investigate the roles of MDP and its calcium salt in preserving the adhesive-dentin hybrid layer.

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Article Synopsis
  • The study investigated how 3-methacryloxypropyltrimethoxysilane (MPS) affects dentin collagen and resin-dentin bonding, comparing its effects with those of 10-methacryloyloxydecyl dihydrogen phosphate (MDP).
  • Various primer groups were tested for their bonding effectiveness using methods like microtensile bond strength (μTBS) and nanoleakage analysis, both after 24 hours and after 12 months of water storage.
  • Findings showed that while MPS improved the surface characteristics of collagen, it did not enhance bonding compared to MDP alone, and combining MPS with MDP actually reduced the overall bonding stability.
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Objectives: To evaluate the interactions of two phosphate ester monomers [10-methacryloyloxydecyl dihydrogen phosphate (10-MDP) and dipentaerythritol penta-acrylate phosphate (PENTA)] with hydroxyapatite and collagen and understand their influence on dentine bonding.

Methods: Fourier transform infrared spectroscopy, X-ray photoelectron spectroscopy, X-ray diffraction, nuclear magnetic resonance, ultraviolet-visible, and molecular docking were applied for separately evaluating the interactions of two monomers with hydroxyapatite and collagen. Hydrophilicity tests and morphological observation were employed to characterize pretreated dentine.

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