Publications by authors named "Li Xian"

Background: Gastric cancer has become one of the major diseases threatening human health. This study aimed to investigate the mechanism of an anticancer bioactive peptide (ACBP) combined with oxaliplatin (OXA) on MKN-45, SGC7901, and NCI-N87 differentiated human gastric cancer cells and GES-1 immortalized human gastric mucosal epithelial cells. The therapeutic effect and action mechanism of short-term intermittent ACBP combined with OXA on nude mice with human gastric cancer were also investigated.

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Background: Moderate to severe persistent allergic rhinitis (AR) poses a substantial socioeconomic burden.

Objectives: We aimed to establish the superiority of bencycloquidium bromide (BCQB) nasal spray and BCQB combined with mometasone furoate nasal spray (MFNS) over MFNS alone in adults with moderate-to-severe persistent AR.

Methods: In this multicentre, randomised controlled clinical trial (NCT05038202), adults with moderate-to-severe persistent AR were randomly assigned to receive the BCQB, MFNS, or a combination treatment, for 4-week periods.

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The natural minerals with semiconducting properties possess photochemical activity through generating reactive oxygen species (ROSs) and affect the fate of adsorbed organic pollutants. Iron oxyhydroxides occur in different polymorphic structures under various geological and climatic conditions in natural environment. However, the difference in their photoactivity has not been well understood.

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T cells have a remarkable capacity to clonally expand, a process that is intricately linked to their effector activities. As vigorously proliferating T cell also incur substantial DNA lesions, how the dividing T cells safeguard their genomic integrity to allow the generation of T effector cells remains largely unknown. Here we report the identification of the apurinic/apyrimidinic endonuclease-1 (Apex1) as an indispensable molecule for the induction of cytopathic T effectors in mouse models.

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Rationale And Objectives: To explore the clinical and computed tomography (CT) characteristics of early-stage lung adenocarcinoma (LADC) that presents with an irregular shape.

Materials And Methods: The CT data of 575 patients with stage IA LADC and 295 with persistent inflammatory lesion (PIL) manifesting as subsolid nodules (SSNs) were analyzed retrospectively. Among these patients, we selected 233 patients with LADC and 140 patients with PIL, who showed irregular SSNs, hereinafter referred to as irregular LADC (I-LADC) and irregular PIL (I-PIL), respectively.

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Dilated cardiomyopathy (DCM), a form of non-ischaemic myocardial disease, is characterised by structural and functional cardiac abnormalities. As defined by the World Health Organisation, DCM constitutes a significant cardiac pathology, leading to increased morbidity and mortality due to complications such as heart failure and arrhythmias. The diagnostic process for DCM predominantly employs echocardiography and MRI, with biomarkers like NT-pro BNP and troponin providing supportive, yet non-specific, evidence.

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Thyroid-associated ophthalmopathy (TAO) is an inflammatory orbital disease associated with autoimmune thyroid disorders. Owing to the ambiguous nature of the pathogenesis, contemporary pharmacological treatment strategies predominantly involve the use of glucocorticoids and immunosuppressants. However, the adverse effects associated with these agents in clinical practice necessitate further investigation into the disease's pathogenesis and the identification of novel therapeutic targets and pharmacological interventions.

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Background: Human platelet lysate (hPL) has emerged as a promising serum substitute to enhance the self-renewal and multipotency of human mesenchymal stem cells (MSCs). Despite its potential, the specific biological mechanisms by which hPL influences MSC phenotypes remain inadequately understood.

Methods: We investigated the biological signaling activated by hPL in two common types of human MSCs: bone marrow-derived MSCs (BMSCs) and adipose-derived MSCs (ASCs).

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Long historical evolution and domestication endow silkworms with the super ability to synthesize and secrete massive silk proteins using silk glands. The major component of this secretion consists of silk fibroin, considered a promising biomaterial for tissue repairs and engineering. To further expand the utility of this unique protein, there is a continuing need for silk fibroin functionalization.

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Objectives: To investigate the epidemiological characteristics of Augmented Renal Clearance (ARC) in severe sepsis children with MRSA infection and find risk factors to establish a model predicting ARC onset in PICU.

Design: Retrospective study, in which ARC was defined by estimated glomerular filtration rate (eGFR) measured by the modified Schwartz formula above 130 ml/min/1.73 m.

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Visible-light-excited ultralong organic phosphorescence (UOP) materials hold significant potential for various practical applications. Red-shifted excitation wavelength can be achieved by introducing large π-conjugation structures into organic molecules, thereby increasing intermolecular interactions and coupling. However, generating visible-light-excited UOP from isolated molecules poses a great challenge.

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Matrigel is the most commonly used matrix for 3D organoid cultures. Research on the biomaterial basis of Matrigel for organoid cultures is a highly challenging field. Currently, many studies focus on Matrigel-based biological macromolecules or combinations to construct natural Matrigel and synthetic hydrogel scaffolds based on collagen, peptides, polysaccharides, microbial transglutaminase, DNA supramolecules, and polymers for organoid culture.

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Flavonols are important plant photoprotectants to defence UV-B irradiation, however, the underlying transcriptional regulatory mechanism of rapid flavonol accumulation in response to UV-B remains unknown. In this study, content of flavonols was significantly induced from 0.11 to 3.

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Under the premise of ensuring the quality of coke, reducing coking/fat coal utilization is an urgent problem in the coking industry. This study prepared an extract with softening and bonding characteristics from noncaking low-grade coal by a degradative solvent extraction method. The substitution effect of coking/fat coal by the extract for coking was studied, and the effect mechanism was analyzed in detail.

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Article Synopsis
  • Hydrogen sulfide (HS) is a harmful gas that poses health risks, leading to the development of a Bi-based metal-organic frameworks (Bi-MOFs) paper analysis device (PAD) for quick and effective dual-mode detection.
  • The device detects HS by changing color from white to black when HS reacts with Bi-MOF to form bismuth sulfide (BiS-MOF), allowing for easy visible detection and photothermal imaging capabilities.
  • The PAD has a wide detection range (0-40 μM) and a low limit of detection (0.23 μM), demonstrating good selectivity and stability, making it useful for assessing meat freshness and ensuring food safety while
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The Insect Cell-Baculovirus Expression Vector System (IC-BEVS) is widely used for the generation of a variety of gene products, including proteins, vaccines, and gene therapy vectors; however, it has some limitations, including a constrained host range and low protein yields. In a previous study, we established the RIRI-PA1 cell line, which was derived from Periplaneta americana. This cell line is susceptible to Autographa californica multiple nucleopolyhedrovirus (AcMNPV) infection, which results in a higher yield production of recombinant protein within a short post-infection period of 24-48 h compared to the commonly used engineered cell line Sf21.

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Article Synopsis
  • * A new study using porcine mammary epithelial cells (PMECs) showed that porcine prolactin (pPRL) causes porcine PRLR to enter the nucleus, and this happens in a time-dependent manner, influenced by specific ligands.
  • * The research also found that the pPRL-PRLR complex's movement to the nucleus relies on importin β1 (IMP β1) and can form a multimer complex with JAK2, suggesting it can still send signals like it does on the cell membrane.
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  • The study aimed to compare the safety and effectiveness of subconjunctival injections of trypsin versus dexamethasone (DEX) for treating fibrin exudates in patients after globe rupture repair.
  • A total of 52 patients were treated with either trypsin or DEX, with results indicating that both treatments led to similar levels of exudate absorption, but trypsin had a quicker absorption time and was less irritating for patients.
  • Overall, trypsin was found to be a more comfortable treatment option than DEX, with no adverse effects reported and stable intraocular pressure.
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Background: Given the prevalent utilization of integrated traditional Chinese and western medicine (ITCWM) in the management of acute pancreatitis, the majority of studies have concentrated on severe cases, lacking robust evidence-based medical research. Real-world investigations can provide an objective assessment of the clinical effectiveness of combining traditional Chinese medicine with western medicine. Consequently, relying on real-world research, we intend to evaluate the clinical efficacy and safety of the combined approach in treating mild to moderate acute pancreatitis.

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Diabetic nephropathy (DN) is a leading cause of end-stage kidney failure, contributing to elevated morbidity and mortality rates in individuals with diabetes. Despite its potential renoprotective effects, the molecular mechanism by which gastrodin (GSTD) impacts DN remains unclear. To investigate this, mice were initially induced with DN via intraperitoneal streptozotocin (STZ) injection (50 mg/kg) and subsequently treated with varying doses of GSTD (5, 10, 20 mg/kg).

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Deferasirox (DEF) is an important iron chelator for treatment of iron overload-related diseases. Monitoring DEF concentration in human serum will provide some valuable information for clinical diagnosis and therapy of such diseases. In this study, we developed a peroxidase-mimicking colorimetric sensor for the detection of DEF by simple assembly of a telomeric dimeric G-quadruplex DNAzyme with Cu.

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A novel glow-type chemiluminescence (CL)-based nanosensing system was developed for sensitive and rapid point-of-care testing (POCT) of HO in food. CuSe nanoparticles (CuSe) have excellent peroxidase-like activity. After being modified with thiols of 4-mercaptophenylboronic acid (MBA) (CuSe@MBA), luminol can be catalyzed to produce long-lasting CL in the presence of HO.

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Article Synopsis
  • Senescent cells stop dividing and are potential targets for cancer treatment, but current therapies have side effects and are less effective.
  • Researchers created a special Ra/Ba nanozyme to improve delivery of treatments and reduce side effects while enhancing enzyme functions.
  • This new nanozyme not only induces cellular senescence and boosts anti-tumor immunity but works alongside anti-PD-L1 therapy to effectively eliminate harmful senescent cells and tackle primary and distant tumors.
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  • The study aimed to identify risk factors for severe acute kidney injury (AKI) in patients with sepsis and to create a prediction model based on specific time points.
  • It analyzed data from over 20,000 septic patients using advanced statistical techniques like Lasso regression and Cox regression to assess factors influencing the development of severe AKI.
  • Key risk factors included pre-existing heart conditions, vital signs, laboratory results, and medication use, showing significant impacts on the likelihood of severe AKI in these patients.
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With global warming in recent years, extreme weather conditions have increased in frequency and intensity, exacerbating the challenges for waterproofing materials. The current stages of SBS asphalt waterproofing membrane aging research mainly focus on the raw materials and modifiers in a single factor; multifactor-coupled aging research is less studied. This study focused on the coupled aging characteristics of SBS-modified asphalt waterproofing membranes, aiming to reveal the mechanism of its influence on the material's performance under the environmental effects of high temperature and freeze-thaw.

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