Publications by authors named "Yuqin Chen"

Glioblastoma, the most prevalent malignant brain tumor, is a lethal threat to human health, with aggressive and infiltrative growth characteristics that compromise the clinical treatment. Herein, we developed a vitamin D3-inserted lipid hybrid neutrophil membrane biomimetic multimodal nanoplatform (designated as NED@MnO-DOX) through doxorubicin (DOX)-loaded manganese dioxide nanoparticles (MnO) which were coated with a vitamin D-inserted lipid hybrid neutrophil membrane. It was demonstrated that in addition to chemotherapy and chemo-dynamic therapy efficacy, NED@MnO-DOX exhibited great power to activate and amplify immune responses related to the cGAS STING pathway, bolstering the secretion of type I interferon-β and proinflammatory cytokines, promoting the maturation of DC cells and infiltration of CD8T cells into the glioma tissue, thereby reversing the immunosuppressive microenvironment of glioma from a "cold" tumor to a "hot" tumor.

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Unlabelled: Endothelial-to-mesenchymal transition (EndMT) is a biological process that converts endothelial cells to mesenchymal cells with increased proliferative and migrative abilities. EndMT has been implicated in the development of pulmonary vascular remodeling in pulmonary arterial hypertension (PAH), a fatal and progressive lung vascular disease. Transforming growth factor β (TGF-β ), an inflammatory cytokine, is known to induce EndMT in many types of endothelial cells including lung vascular endothelial cells (LVEC).

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Introduction: Crop rotation, a crucial agricultural practice that enhances soil health and crop productivity, is widely used in agriculture worldwide. Soybeans play a crucial role in crop rotation owing to their nitrogen-fixing ability, which is facilitated by symbiotic bacteria in their root systems. The soybean-rapeseed rotation is an effective agricultural practice in the Yangtze River Basin of China.

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Background: Vocal fold leukoplakia (VFL) has a risk of malignant transformation, and the underlying mechanisms remain defined. It was assumed that laryngopharyngeal reflux (LPR) may contribute to the occurrence of VFL. Studies showed that sphingosine kinase 1 (Sphk1) was highly expressed in the gastroesophageal reflux-related gastrointestinal tumors.

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NLRP3 inflammasome-mediated inflammatory responses play pivotal functions in innate immunity. However, its homeostatic regulation still needs to be better understood. Here we explore the effect and potential mechanism of IL-33 on NLRP3 inflammasome upon Toxoplasma gondii infection through a series of molecular biology and immunological experiments, including western blot, qRT-PCR, and ELISA.

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Prenatal diagnosis is crucial for pregnancies from couples with a carrier of a balanced translocation. We retrospectively reviewed 195 pregnancies from 189 couples with a balanced translocation carrier. Of these, 126 were from natural conception, while 69 were conceived through assisted reproductive technology (ART) with preimplantation genetic diagnosis (PGD).

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Metabolic activation studies of lead compounds are a crucial step in drug development and offer a key consideration during rational drug design. Myristicin (MRS) and elemicin (ELM), natural products belonging to alkenylbenzenes, share the backbone of 1-allyl-3-methoxybenzene. The backbone fuses with a methylenedioxy five-membered ring in MRS, while ELM is connected with two adjacent methoxy groups.

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Lungs are exposed to external oxidants from the environment as in harmful particles and smog, causing oxidative stress in the lungs and consequently respiratory ailment. The NF-E2-related factor 2 (Nrf2) is the one with transcriptional regulatory function, while its related protein Kelch-like ECH-associated protein 1 (Keap1) inhibits Nrf2 activity. Together, they form the Keap1-Nrf2 pathway, which regulates the body's defense against oxidative stress.

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Article Synopsis
  • * Research has focused on how these NPs can self-assemble into various superstructures, categorized by one-dimensional, two-dimensional, and three-dimensional formations.
  • * A systematic review will summarize recent advances in the bottom-up self-assembly of FeO NPs, discussing their unique functionalities and applications in imaging, drug delivery, and cancer diagnosis and treatment.
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Despite extensive investigation into estrogen's role in pulmonary hypertension (PH) development, its effects-whether beneficial or detrimental-remains contentious. This study aimed to elucidate estrogen's potential role in PH under normoxic and hypoxic conditions. Utilizing norfenfluramine- and hypoxia-induced rat models of PH, the study evaluated the impact of 17β-estradiol (E2) on PH progression.

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Using the organic base as the organic electron donors, the reductive coupling of diaryhalomethanes was smoothly achieved under transition-metal-free reaction conditions, giving a series of synthetically important tetraarylethylenes and tetraarylethanes in high yields. The mechanistic study revealed that the organic bases acting as the electron donor initiated the generation of a radical intermediate, realizing the construction of tetraarylethylene and tetraarylethane skeletons.

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Objective: This study examines the therapeutic impact and prognosis of acoustic therapy in patients with chronic subjective tinnitus across different tinnitus frequencies.

Methods: A total of 135 patients with subjective tinnitus were selected and categorized based on their primary tone frequency into three groups: high frequency (43 patients, 4-8 kHz), mid frequency (40 patients, 1-3 kHz), and low frequency (42 patients, < 1 kHz). All patients received acoustic therapy customized to their specific frequency and loudness levels, along with tinnitus cognitive behavioral therapy.

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The self-assembly of gold nanoparticles (GNPs) into gold nanoparticle vesicles (GNVs) has been a topic of significant interest in recent years. However, the formation mechanism of GNVs is still not fully understood. In this article, we report that the new oligo(ethylene glycol)-terminated biphenol ligands (OBLs) show different solubility in tetrahydrofuran (THF) depending upon the number of terminal ethylene glycol units, resulting in a differential solvophobicity.

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Article Synopsis
  • Chronic kidney disease (CKD) increases the risk of developing pulmonary hypertension (PH), but the exact mechanisms behind this connection are not well understood and there is no reliable animal model for research.
  • This study successfully created a stable rat model of CKD-PH by performing 5/6 nephrectomy combined with a high-salt diet, followed by dynamic evaluations of hemodynamics and pathological changes in various organs.
  • Results indicated that CKD-PH rats exhibited significant pulmonary arterial hypertension, right ventricular hypertrophy, dysregulation of the renin-angiotensin-aldosterone system (RAAS), decreased ACE2 expression in the lung endothelium, and distinct serum metabolic profiles compared to control rats.
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Background: The relationship between frailty and neoplasms has attracted increasing attention from researchers in recent years. This study aims to identify current research hotspots and status in this field through bibliometric and visualization analysis.

Methods: Literature on the relationship between frailty and neoplasms, meeting the inclusion criteria, was collected from the Core Collection.

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Article Synopsis
  • * Using network pharmacology and molecular docking, researchers identified active compounds in BHCs and their target proteins, revealing strong binding affinity with targets like PTGS1 and ESR1 that influence important biological pathways.
  • * The study's findings suggest that BHCs improve cardiac and pulmonary function, increase exercise tolerance, and enhance the quality of life for patients suffering from COPD-PH, confirming their efficacy and safety.
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Natural silks are renewable proteins with impressive mechanical properties and biocompatibility that are useful in various fields. However, the cellular and spatial organization of silk-secreting organs remains unclear. Here, we combined single-nucleus and spatially resolved transcriptomics to systematically map the cellular and spatial composition of the silk glands (SGs) of mulberry silkworms late in larval development.

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A cerebral ischemia-reperfusion injury is ensued by an intricate interplay between various pathological processes including excitotoxicity, oxidative stress, inflammation, and apoptosis. For a long time, drug intervention policies targeting a single signaling pathway have failed to achieve the anticipated clinical efficacy in the intricate and dynamic inflammatory environment of the brain. Moreover, inadequate targeted drug delivery remains a significant challenge in cerebral ischemia-reperfusion injury therapy.

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Background: Analyzing the differences in caregiving models for disabled older adult individuals after stroke and the influencing factors, to provide a basis for addressing relevant social demographic issues.

Methods: The older adult diagnosed with stroke were screened from the Chinese Geriatric Health Survey (CLHLS), and were further divided into subgroups of disability, which was based on their ability of or whether they need help in performing activities such as dressing, bathing, eating, toileting or bowel and bladder control using the international common Katz scale. The care model was divided into formal care, informal care and home care.

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Background: Patients with pulmonary hypertension (PH) and chronic obstructive pulmonary disease (COPD) have an increased risk of disease exacerbation and decreased survival. We aimed to develop and validate a non-invasive nomogram for predicting COPD associated with severe PH and a prognostic nomogram for patients with COPD and concurrent PH (COPD-PH).

Methods: This study included 535 patients with COPD-PH from six hospitals.

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Purpose: The objective was to evaluate the efficacy of transcutaneous electrical nerve stimulation (TENS) combined with mirabegron therapy compared with mirabegron monotherapy in the treatment of female patients with overactive bladder (OAB).

Methods: In this randomized controlled study, 100 female outpatients with OAB were screened. Among these patients, 86 who met the inclusion criteria were randomly divided into the TENS combined with mirabegron treatment group and mirabegron monotherapy treatment group, with 43 patients in each group.

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Backgrounds: Personal growth initiative (PGI) is regarded as a meaningful concept with potential value at both the individual and organizational levels, but little is known about the factors that contribute to nurses' PGI. This study aimed to explore how proactive personality and hospital work environment affect PGI of clinical nurses.

Methods: A cross-sectional study was conducted between September and October 2022 among 4414 nurses from 10 tertiary general hospitals in 10 cities in Sichuan, China, using a two-stage sampling method.

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The variational quantum eigensolver (VQE) framework has been instrumental in advancing near-term quantum algorithms. However, parameter optimization remains a significant bottleneck for VQE, requiring a large number of measurements for successful algorithm execution. In this paper, we propose sequential optimization with approximate parabola (SOAP) as an efficient and robust optimizer specifically designed for parameter optimization of the unitary coupled-cluster ansatz on quantum computers.

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To investigate the potential functional properties and added value of okra seed oil and provide a scientific basis for further industrial development and production of okra seed oil, its fatty acid profile, total phenolic, fat-soluble vitamin composition, mineral element composition, and antioxidant activities were examined in this study. Also, correlations between bioactive components and the antioxidant activities of okra seed oil were explored. The study results show that okra seed oil contains 12 types of fatty acids, 65.

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