Publications by authors named "Yan-Feng Zhu"

Objective: To investigate the efficacy of ultrasound-guided radiofrequency ablation and its effect on thyroid function in patients with cystic-solid thyroid nodules.

Methods: We enrolled 90 patients with cystic-solid thyroid nodules and randomly assigned to either a control group (n = 37) or an observation group (n = 53). Patients in the observation group underwent ultrasound-guided radiofrequency ablation, while those in the control group were treated with ultrasound-guided lauromacrogol.

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  • Vegetation restoration in mining areas enhances ecological health and boosts carbon sequestration potential.
  • The study highlights the importance of understanding functional microorganisms in reclaimed soils, especially in disturbed ecosystems like mines.
  • Results indicate that different types of vegetation restoration notably affect soil chemistry and the abundance of carbon cycle-related functional genes, with grasslands and brushlands showing better outcomes than coniferous forests.
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Understanding how soil microorganisms respond to land reclamation is essential to evaluating the success of ecological restoration actions in disturbed mine soil. However, the microbiological mechanism referred to as productivity reconstruction of the reclaimed soil is still unclear. To shed light on this mechanism, a total of 75 soil samples were collected for 16S rRNA amplicon high-throughput sequencing.

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A novel luminescent coordination polymer (CP) based on Zn(II) ions as nodes [Zn(OPY)(Hbtc)] (1), [Hbtc = trimesic acid and OPY = 4,4'-(oxybis(4,1-phenylene))dipyridine] has been prepared via the solvothermal assembly of a tripodal multicarboxylic acid ligand, a bis-pyridyl ligand with V-shape containing two diverse coordination patterns as well as Zn ion. The experiments of photoluminescence also reflect that the coordination polymer 1 has high sensitivity to potassium dichromate, and its quenching efficiency is K of 2.12 × 10 L·mol.

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Introduction: Translocase of the inner mitochondrial membrane 50 (TIMM50) is universally considered to play a key role in several malignancies. However, its role in predicting colorectal cancer (CRC) patient prognosis remains unclear.

Material And Methods: A total of 192 CRC patients (123 men and 69 women) who underwent radical resection participated in this study.

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Purpose: Colorectal cancer (CRC) is the most common malignancy in the gastrointestinal tract. The liver is the most common location of CRC metastases, which are the main causes of CRC-related death. However, the mechanisms underlying metastasis of CRC to the liver have not been characterized, resulting in therapeutic challenges.

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Objective: To explore the inhibitory effect of genistein (GEN) on the proliferation of VCaP castration-resistant prostate cancer (CRPC) cells.

Methods: VCaP CRPC cells were treated with GEN at the concentrations of 0, 12.5, 25, 50, 100, and 200 μmol/L for 24, 48, and 72 hours followed by determination of their proliferation by CCK-8 assay and their cycle by flow cytometry.

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The Wnt signaling is involved in angiogenesis and tumor development. β-catenin is the core component of the Wnt pathway, which mediates oncogenic transcription and regulated by a series of proteins. Sex-determining region Y-box 7 (SOX7) is a member of high-mobility-group transcription factor family, which inhibits oncogenic Wnt signaling in lots of tumor cells with unknown mechanism.

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This study aimed to investigate the role of focal adhesion kinase (FAK) signaling in the inhibitory effects of black rice anthocyanins (BRACs) on human epidermal growth factor receptor-2 (HER-2)-positive human breast cancer cell metastasis, using the MCF-10A, MCF-7 and MDA-MB-453 cells. BRACs exerted an anti-metastatic effect on the HER-2-positive breast cancer cells. The effects of BRACs on the proliferation of the MDA-MB-453 cells were examined by cell counting kit-8 assay.

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Objectives: To investigate the effects of all-trans retinoic acid (ATRA) on arthritis and the expressions of inflammatory cytokines and cartilage damage related proteases of the collagen-induced arthritis model (CIA) rats .

Methods: The CIA model of rheumatoid arthritis was induced with C2 and incomplete Freund's adjuvant. The rats were randomly divided into control group, CIA model group and two ATRA dose groups (ATRA 0.

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Background: Despite substantial progress toward measles control are making in China, measles outbreaks in immunocompromised population still pose a challenge to interrupt endemic transmission. This study aimed to investigate the features of measles in pediatric hematology and oncology patients and explore the reasons behind the outbreak.

Methods: We collected demographic, epidemiological, and clinical data of immunocompromised measles children.

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Overexpression of human epidermal growth factor receptor 2 (HER2) drives the biology of 30% of breast cancer cases. As a transducer of HER2 signaling, RAS/RAF/MAPK pathway plays a pivotal role in the development of breast cancer. In this study, we examined the molecular mechanisms underlying the chemopreventive effects of black rice anthocyanins (BRACs) extract and identified their molecular targets in HER2(+) breast cancer cells.

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  • The study aimed to create an in vitro model of mouse testis using rotary aerobic culture methods.
  • Testicular tissue cultured in this optimized system showed better structural integrity and specific changes in cell proliferation rates over time when compared to traditional Transwell chambers.
  • Results indicated a decrease in testosterone levels and significant changes in protein expression related to testicular function during the culture period.
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  • The study aimed to explore how Equol influences gene and protein expression related to testosterone synthesis and Vimentin in mouse testes during early development.
  • Testes from perinatal mice were cultured in various concentrations of Equol to assess morphological changes and measure specific protein and gene expressions through techniques like HE staining and real-time PCR.
  • Results indicated no significant morphological changes or mRNA expression differences, but protein levels of key enzymes and Vimentin were affected by Equol, particularly showing an increase at 0.10 μmol/L and a decrease at 10.00 μmol/L, suggesting potential negative impacts on testosterone production.
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Background: Increasing evidence from animal, epidemiological and clinical investigations suggest that dietary anthocyanins have potential to prevent chronic diseases, including cancers. It is also noteworthy that human epidermal growth factor receptor 2 (ErbB2) protein overexpression or ErbB2 gene amplification has been included as an indicator for metastasis and higher risk of recurrence for breast cancer.

Materials And Methods: The present experiments investigated the anti-metastasis effects of black rice anthocyanins (BRACs) on ErbB2 positive breast cancer cells in vivo and in vitro.

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  • The study investigates immune responses in children with measles, focusing on innate immune receptors and cytokines.
  • The research involved comparing hospitalized measles patients with healthy controls, analyzing mRNA and protein levels of specific immune markers.
  • Findings revealed lower expressions of certain immune receptors and interferons in measles patients, while IL-10 levels were significantly higher, indicating an altered immune response during the infection.
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Objective: To understand the clinical and epidemiological aspects of avian influenza A (H7N9) virus infection in children.

Method: The clinical data of the first confirmed pediatric case of avian influenza A(H7N9) virus infection were collected, and the epidemiological information, presenting symptoms, laboratory investigation, management and outcome were analyzed. The data of the pediatric cases were also compared with those of the adults cases.

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The essential effect of vitamin A on immune function occurs through various mechanisms including direct effect on Th1-Th2 balance modulation. However, it is unclear whether or not vitamin A can regulate Th1-Th2 balance under a strong Th1-polarizing condition. Therefore, the purpose of our study was to examine the effect of vitamin A metabolite all-trans retinoic acid (ATRA) on Th1-Th2 differentiation in CD4+ T cells under GATA-3 deficiency, which can induce Th1-polarizing condition.

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  • The study aimed to evaluate how DEHP impacts testosterone production and related gene expression in the fetal testis of male mice using organ culture techniques.
  • Results indicated increased testosterone levels at lower DEHP concentrations (0.1, 1.0 micromol/L), but decreased levels at higher concentration (100.0 micromol/L) after 48 and 72 hours of exposure.
  • Changes were observed in gene expression related to testosterone synthesis, particularly a significant decrease in key genes at 1.0 and 10.0 micromol/L, suggesting that DEHP may disrupt testosterone production through its effects on gene regulation.
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  • A TiO(2) nanotube array film was created using anodic oxidation and modified with gold (Au) nanoparticles and a thin layer of zinc sulfide (ZnS) for enhanced performance.
  • The ZnS/Au/TiO(2) composite film's photoelectrochemical properties were tested, showing improved sensitivity to light and reduced electron-hole recombination.
  • When coupled with 403 stainless steel in a saline solution, the composite demonstrated a 400 mV drop in potential, outperforming the pure TiO(2) nanotube film in protecting the steel from corrosion.
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B lymphocyte stimulator (BLyS) antagonists are new therapeutic reagents for treating the autoimmune diseases. Peptibodies can inhibit the bioactivity of BLyS, the same as other BLyS antagonists: decoyed BLyS receptors and anti-BLyS antibodies. In this study, a new optimized BLyS antagonist peptide was designed according to our previous work by the computer-aided homology modeling.

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Background: Acute hypoxemic respiratory failure (AHRF) often develops acute respiratory distress syndrome (ARDS), and its incidence and mortalities in critically ill pediatric patients in China were 2% and 40% respectively. This study aimed at prospectively investigating incidence, causes, mortality and its risk factors, and any relationship to initial tidal volume (V(T)) levels of mechanical ventilation, in children £5 years of age with AHRF and ARDS.

Methods: In 12 consecutive months in 23 pediatric intensive care units (PICU), AHRF and ARDS were identified in those requiring > 12 hour intratracheal mechanical ventilation and followed up for 90 days or until death or discharge.

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Objective: To retrospectively analyzed the clinical features and epidemiology of children with severe hand-foot-and-mouth disease during 2009 and 2010 in Shanghai to investigate some risk factors with fatal cases.

Method: All the clinical records and laboratory results of serious patients were collected. A retrospective study was performed.

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Background: Glycoprotein (GP) IIb/IIIa is an important index for assessing the function of platelets. To investigate the effects of Honghua Injection, a Chinese patent medicine made from extracts of Carthamus tinctorius L, on GP IIb/IIIa is a key study in evaluating the inhibition properties of Honghua Injection on platelet aggregation.

Objective: To observe the effects of Honghua Injection on platelet GPIIb/IIIa receptors and explore the mechanisms of Honghua Injection in inhibiting platelet aggregation in patients with acute coronary syndrome.

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