Publications by authors named "Yixuan Lu"

Background: The Dallas Steatosis Index (DSI) is a non-invasive tool (NIT) developed to detect the risk of metabolic dysfunction-associated steatotic liver disease (MASLD) in multi-ethnic populations, external validation in Asians has yet to be conducted. Therefore, we evaluated the ability of the DSI with the BMI classification of WPRO (DSI_WPRO) to identify MASLD in the Chinese population. In addition, we investigated the associations between the DSI_WPRO and the risk of MASLD in a longitudinal study.

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  • The electrical properties of bone implants are crucial for influencing cell behavior and promoting bone regeneration, with previous studies indicating benefits from electric fields established between implants and bone tissues.
  • This research introduces a technique using a piezoelectric BaTiO (BTO) substrate that creates a 3D spatial electrical environment to enhance bone healing and integration.
  • The findings show that BTO micropillars positively affect mesenchymal stem cells by promoting their growth and differentiation, leading to faster bone repair in experimental models.
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Natural polymer-based hydrogels have found extensive use in flexible sensing, energy storage, and other fields because of their environmental sustainability and biocompatibility. Nonetheless, numerous challenges persist in the development of hydrogels with outstanding conductivity solely from natural polymers. Herein, we have successfully synthesized hydrogels based on natural polymer (tragacanth gum) and ionic liquids (1-vinyl-3-ethylimidazolium bromide) using a convenient and efficient one-step ionizing radiation method (TG/PIL hydrogels).

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An ideal biomaterial should create a customized tissue-specific microenvironment that can facilitate and guide the tissue repair process. Due to its good biocompatibility and similar biochemical properties to native tissues, decellularized extracellular matrix (dECM) generally yields enhanced regenerative outcomes, with improved morphological and functional recovery. By utilizing various decellularization techniques and post-processing protocols, dECM can be flexibly prepared in different states from various sources, with specifically customized physicochemical properties for different tissues.

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  • Ischemic colitis is a rare but serious complication observed in about 33.3% of COVID-19 patients who underwent endoscopy, prompting a study to explore its symptoms, treatment, and patient outcomes.
  • The prospective study conducted from December 2022 to January 2023 included 12 hospitalized patients, confirming diagnoses through colonoscopy and biopsies, and followed up for a year via phone interviews.
  • Results indicated that patients typically experienced abdominal pain and bleeding within 2 weeks post-COVID-19, primarily affecting the descending colon, with findings showing no chronic issues after 12 months.
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Background: Central obesity, as measured by examination instruments, has been shown to be associated with both OSA and short sleep duration. However, objective measurement tools like CT, MRI, and DXA are expensive, cause radiation exposure, and have limited availability, especially in resource-limited settings. Thus, this study aimed to demonstrate the relevance of Body Mass Index (BMI) and Waist-to-Height Ratio (WHtR) as surrogate indicators of visceral obesity in the assessment of OSA and short sleep duration.

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Since 2019, live e-commerce has experienced significant growth, effectively driving consumption, with various e-commerce platforms, video platforms, enterprises, and businesses venturing into the live e-commerce sector. However, this development has brought forth several issues, one of which prominently pertains to the lack of customer loyalty. Hosts play a crucial role in live e-commerce.

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  • Unmanned aerial vehicle (UAV) target tracking faces challenges like limited computing power, real-time needs, and target confusion, prompting researchers to improve existing methods.
  • The study introduces a grid-based beetle antennae search algorithm to enhance search efficiency, combined with a confusion-aware mechanism using YOLOv8 for better target detection through methods like corner detection and feature extraction.
  • Experiments reveal that the new algorithm significantly outperforms traditional methods in terms of convergence speed and efficiency, achieving a more than 89% increase in speed even in complex environments and meeting real-time processing requirements.
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Chemoresistance is the main obstacle in the clinical treatment of osteosarcoma (OS). In this study, we investigated the role of EF-hand domain-containing protein 1 (EFHD1) in OS chemotherapy resistance. We found that the expression of EFHD1 was highly correlated with the clinical outcome after chemotherapy.

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In this paper, we report an innovative method for synthesizing 1-benzyl-2,4-diarylimidazole utilizing 1-phenylethanone-2-(2-pyridinyl) hydrazine and benzylamine, catalyzed by an I/CuI system. This approach represents a significant departure from traditional methods for synthesizing polysubstituted imidazoles; it employs the I/CuI catalyst to replace rare metal catalysts, thereby achieving high yields of substitution products (≤85%). This method for the generation of 1,2,4-triimidazole derivatives is characterized by its exceptional chemical selectivity and extensive substrate compatibility.

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The selection of construction plans for adverse geological conditions frequently encountered during the construction of bridge pile foundations will have a significant impact on the project's progress, quality, and cost. There is a need for the optimization of multi-attribute decision-making methods, considering the subjectivity in in weight allocation and the practical implementation obstacles. In this study, an evaluation framework for pile foundation construction schemes in karst areas was established.

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  • Mesenchymal stem cells (MSCs) can differentiate into various cell types, but in osteoporosis, this process shifts towards fat cell (adipocyte) formation due to the role of the FOXO3 gene.* -
  • The study used RNA sequencing and other methods to show that FOXO3 not only drives the expression of key fat cell transcription factors but is also involved in a positive feedback loop that enhances its own expression.* -
  • By activating the PI3K-AKT pathway, FOXO3 promotes autophagy, which is linked to MSCs turning into adipocytes, suggesting that targeting FOXO3 could be a potential treatment strategy for osteoporosis.*
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Epidemiological data reveal that FAdV-4 and FAdV-8a are the dominant serotypes of FAdVs in the poultry industry in China. Although three commercial inactivated vaccines against FAdV-4 have been licensed in China, the bivalent vaccine against both FAdV-4 and FAdV-8a is not available. Here, we used CRISPR-Cas9 and Cre-LoxP system to generate a recombinant virus FAdV4-F/8a-rF2 expressing the Fiber of FAdV-8a.

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ZFP36L1, which is a negative regulator of gene transcripts, has been proven to regulate the progression of several carcinomas. However, its role in sarcoma remains unknown. Here, by using data analyses and in vivo experiments, we found that ZFP36L1 inhibited the lung metastasis of osteosarcoma (OS).

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The function of signal regulatory protein alpha (SIRPA) has been well studied in macrophages and dendritic cells, but relatively less in tumors. Notably, SIRPA is upregulated in osteosarcoma tissues, particularly in metastatic tissues, and is associated with unfavorable clinical outcomes. Knockdown of SIRPA impaired OS cell migration by decreasing specificity protein 1 (SP1) stability and arginine uptake.

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Zinc(Zn)-based materials have contributed greatly to the rapid advancements in tissue engineering. The qualities they possess that make them so beneficial include their excellent biodegradability, biocompatibility, anti-bacterial activity, among and several others. Biomedical materials that act as a foreign body, will inevitably cause host immune response when introduced to the human body.

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As nano medications have developed in the recent four decades, nano-delivery systems have been applied in treating various diseases and are especially common in cancer treatment. Nano-delivery systems could target cancer-associated cells, enhance the accuracy and efficacy of treatment, and reduce systemic side effects. Among the many drugs on nano-carriers, the load system of lipid-based nanoparticles has the brightest prospect due to the high level of biocompatibility, biodegradability, loading capability, and immunogenicity.

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Background: Head and neck squamous cell carcinoma (HNSCC) remains an unmet medical challenge. Metabolic reprogramming is a hallmark of diverse cancers, including HNSCC.

Methods: We investigated the metabolic profile in HNSCC by using The Cancer Genome Atlas (TCGA) (n = 481) and Gene Expression Omnibus (GEO) (n = 97) databases.

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Obesity has been a worldwide problem associated with numerous chronic diseases such as cardiovascular disease, type 2 diabetes, and metabolic disorders. It may also play a role in visceral hypersensitivity, contributing to irritable bowel syndrome. (i) Adipose tissue secretes various inflammatory mediators, causing intestinal hyperpermeability and nerve endings activation.

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p53 deficiency is a key causal factor for tumor development and progression. p53 acts in this process through, at least in part, cooperation with YAP1 but the underlying molecular mechanism is incompletely understood. In this paper, we show that CLP36, an actinin-binding cytoskeletal protein, links p53 deficiency to up-regulation of YAP1 expression and sarcoma progression.

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Airborne fungi are widely distributed in the environment and may have adverse effects on human health. A 12-month survey on the diversity and concentration of culturable airborne fungi was carried out in a research and teaching building of Tianjin University. Indoor and outdoor environments were analyzed using an HAS-100B air sampler.

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Luminescence-based methods are widely used for the detection of prostate specific antigen (PSA), for example during the diagnosis of prostate cancer. However, the accuracy of these methods is sub-optimal. The aim of this study was to develop an accurate and sensitive dual-mode immunosensing technique using a combination of resonance Raman scattering (RRS) and photoluminescence (PL) signals for the detection of PSA.

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Background: The zinc transporters Zrt- and Irt-related protein (ZIP/SLC39) are overexpressed in human tumors and correlate with poor prognosis; however, their contributions to carcinogenesis and chemoresistance in osteosarcoma (OS) remain unclear.

Methods: We collected 64 OS patient tissues with (n = 12) or without (n = 52) chemotherapy. The expression levels of ZIP10 were measured by immunohistochemistry and applied to prognostic analysis.

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Although angiogenesis-osteogenesis coupling is important in ankylosing spondylitis (AS), therapeutic agents targeting the vasculature remain elusive. Here, we identified activating transcription factor 6 (ATF6) as an important regulator of angiogenesis in the pathogenesis of AS. First, we found that ATF6 and fibroblast growth factor 2 (FGF2) levels were higher in SKG mice and in cartilage of pateints with AS1.

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