Publications by authors named "Dan Feng"

Geranylgeranyl diphosphate synthase (GGDPS) produces the 20-carbon isoprenoid species used in protein geranylgeranylation reactions. Inhibition of GGDPS has emerged as a novel means of disrupting the activity of geranylgeranylated proteins in cancers such as myeloma and osteosarcoma. We have focused on developing a series of isoprenoid triazole bisphosphonate-based GGDPS inhibitors, demonstrating a complex structure-activity relationship (SAR), not only at the enzymatic level, but also at the cellular and whole organism levels.

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Objective: To investigate the perioperative and pregnancy outcomes among different surgical approaches and methods for treating heterotopic pregnancy (HP) and to identify the risk factors for the loss of intrauterine pregnancy (IUP).

Methods: We retrospectively reviewed 59 cases of interstitial and angular HP treated surgically between 2014 and 2024 in two women's health centers in southwest China. Surgical methods included multi-port laparoscopy (MPL), transumbilical laparoendoscopic single-site surgery (TU-LESS), and conventional laparotomy (CL), along with cornual wedge resection and linear incision.

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Objective: Moderate Intensity Continuous Training (MICT) is recognized as an effective intervention for improving negative affect. However, research on its effects across varying levels of negative mood states in sedentary female college students remains limited. This study aimed to investigate the impact of a 12-week MICT intervention on different levels of negative mood in sedentary female college students.

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In multi-end-to-end path request planning, the control plane may not be able to meet all path request requirements under limited bandwidth resources. Moreover, suboptimal path planning can lead to localized network congestion, which in turn causes an overall imbalance in network load. Therefore, the multi-domain control plane needs to consider more network resource states during the path selection, such as link weights, load saturation, and resource occupancy rates, in order to select the optimal paths to maximize the satisfaction of data plane requirements while maintaining network load balance.

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leaves represent a novel and nutritious food. Prior research has demonstrated that leaves can elicit allergic responses in BALB/c mice. Based on these findings, further studies were conducted to investigate the effects of heat treatment on the allergenicity, particle size, zeta potential, total sulfhydryl (TSH) content, hydrophilicity and hydrophobicity, ultraviolet spectrum, and intrinsic fluorescence spectrum of leaf protein.

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Regulatory T (Treg) cells contribute to solid organ cancer progression, except in colorectal cancer (CRC) despite being abundantly present. Here, we demonstrate that two distinct tumoral IL-10⁺ and IL-10⁻ Treg cell subsets exert opposing functions by counteracting and promoting CRC tumor growth, respectively. The tumor restraining activity of IL-10⁺ Treg cells was mediated by their suppression of effector CD4 T cell production of IL-17, which directly stimulates CRC tumor cell proliferation.

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The determination of allergenic proteins in leaves, which is the main components of immune activity, has enabled the development of a more effective method for evaluating the activity of extracted leaves protein. In this study, the extraction process of leaves protein was optimized based on a single factor experiment. The hemagglutination-related properties of leaves protein, such as (thermal, acid-base) stability, sugar binding specificity, ion binding characteristics, and hemolytic activity, were detected.

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Background: Systemic lupus erythematosus requires glucocorticoids for management. This study investigates how glucocorticoids influence bone in a SLE mouse model, focusing on bone mineral density (BMD), microstructure, and remodeling markers.

Methods: MRL/lpr and C57BL/6 mice were administered dexamethasone or saline as a control for 4-weeks.

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Objective: To investigate the application value of nursing signs in the risk management of elderly fracture patients.

Methods: A total of 88 elderly fracture patients admitted to West China Hospital between April 2021 and August 2022, along with 12 nursing staff members, were selected as study participants. The clinical data of these patients were retrospectively analyzed, and the patients were divided into two groups based on the nursing management strategy employed.

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The tumor microenvironment (TME) is critical for cancer initiation, growth, metastasis, and therapeutic resistance. The extracellular matrix (ECM) is a significant tumor component that serves various functions, including mechanical support, TME regulation, and signal molecule generation. The quantity and cross-linking status of ECM components are crucial factors in tumor development, as they determine tissue stiffness and the interaction between stiff TME and cancer cells, resulting in aberrant mechanotransduction, proliferation, migration, invasion, angiogenesis, immune evasion, and treatment resistance.

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It is crucial to determine the potential subgroups of sleep disturbances in patients undergoing elective surgery based on the importance of symptom clusters and individual characteristics in order to develop targeted symptom management plans. This study explored the potential categories of postoperative sleep disturbances in patients undergoing elective surgery through latent profile analysis, and explored the influencing factors of each category. A total of 400 eligible elective surgery patients were included in the analysis, and three potential subgroups were identified: mild sleep disturbance group (c1 = 140,35.

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Plant roots perceive heat stress (HS) and adapt their architecture accordingly, which in turn influence the yield in crops. Investigating their heterogeneity and cell type-specific response to HS is essential for improving crop resilience. Here, we generate single-cell transcriptional landscape of maize (Zea mays) roots in response to HS.

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Article Synopsis
  • Pulse radiofrequency (PRF) combined with transverse abdominal plane (TAP) block was studied to improve pain relief in patients suffering from herpes zoster (HZ), as some patients still experience pain despite PRF treatment.
  • The study involved 137 HZ patients divided into two groups: one receiving TAP block and the other receiving normal saline, with pain and quality of life assessed at multiple follow-up points.
  • Results indicated the TAP group experienced significantly less pain, improved sleep quality, and a better quality of life compared to the normal saline group at various follow-up intervals, alongside a reduction in the use of pain medications.
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  • Diabetes mellitus is a leading cause of end-stage renal disease (ESKD), often requiring patients to undergo hemodialysis (HD) due to complications like uremia.
  • * Patients with diabetes who are on HD experience significant fluctuations in blood glucose levels, with both hyperglycemia and hypoglycemia contributing to increased mortality.
  • * Continuous glucose monitoring (CGM) is emerging as a preferred method for tracking blood glucose in these patients, as it provides real-time data with fewer confounding factors than traditional methods.
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Tunnels in the Western Plateau region of China often face numerous problems of high ground stress, as well as highly fractured and weak rock masses in deep sections of the tunnel, which results in an increased risk of large soft rock deformation in tunnels, posing substantial challenges to safe and efficient construction. Hence, risk assessment and establishment of an early safety warning system are essential. By examining factors affecting the large soft rock deformation in tunnels, a set of index system consisting of three primary indicators (i.

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  • The study aimed to evaluate the long-term effectiveness and safety of a single dose of rituximab in treating children with steroid-dependent minimal-change nephrotic syndrome (SD-MCNS) over two years.
  • Out of 77 children (average age ~8 years), rituximab showed a high efficacy rate of 90.91%, although 78.33% experienced relapses; certain factors like age and T-cell counts influenced treatment outcomes.
  • The findings suggest that while rituximab is effective, patients who are older and have lower steroid dosages have better responses, while younger males with higher IgE levels are at higher risk for relapse.
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  • The study investigates the effects of polyurethane oligomer (PU-MA) and glass flakes on the polymerization shrinkage and mechanical properties of a dental resin composite.
  • The newly developed composite was tested for volume shrinkage, water absorption, and mechanical strength after exposure to different conditions, including water immersion and thermal cycling.
  • Results show that a 20% PU-MA addition significantly reduces shrinkage, while the composite displays promising stability and mechanical properties, highlighting its potential for use in dental applications.
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  • The text discusses an autosomal recessive disorder related to epilepsy caused by mutations in the WW-containing oxidoreductase gene, leading to severe seizures and developmental issues in infants.
  • A case study of a 5-month-old boy showcases intractable seizures, developmental delays, and a newly identified mutation that was inherited from his healthy parents.
  • The findings highlight the importance of discovering new gene variants, which could improve the understanding and treatment options for related disorders.
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Introduction: Long noncoding RNA metastasis-associated lung adenocarcinoma transcript 1 (MALAT1) has been shown to be involved in Parkinson's disease (PD) progression, but its mechanism needs to be further explored.

Methods: Mice were injected with 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) to induce PD mice models, and BV2 cells were treated with lipopolysaccharides (LPS) to mimic PD cell models. MALAT1 expression and suppressor of cytokine signaling 3 (SOCS3) protein level were examined using quantitative real-time PCR and Western blot, respectively.

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  • This study analyzes three surgical methods for treating posterior uterine fibroids: transumbilical laparoendoscopic single-site surgery (LESS), vaginal natural orifice transluminal endoscopic surgery in prone position (vNOTES-P), and vNOTES in lithotomy position (vNOTES-L).
  • The research included 79 patients from January to July 2023, with no significant differences in operative time, blood loss, or complications among the groups; however, vNOTES showed faster recovery with less postoperative pain.
  • Notably, vNOTES-P was highlighted as an advantageous technique for posterior fibroid resection, suggesting better surgical maneuverability and shorter operative time compared to LESS.
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Objective: To assess the impact of the IFIT3/TBK1 signalling pathway in activating plasmacytoid dendritic cells (pDCs) and its role in the development of SSc.

Methods: Utilized single-cell RNA sequencing (scRNA-seq) and high-throughput transcriptome RNA sequencing to reveal the differential abundance of pDCs and the role of the key gene IFIT3 in SSc. Conducted in vitro cell experiments to evaluate the effect of IFIT3/TBK1 signalling pathway intervention on pDC activation cytokine release and fibroblast function.

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  • Therapeutic cancer vaccines train the immune system to target tumors by using neoantigens, which are unique antigens produced from cancer's genetic mutations.
  • A case study of a 67-year-old man with advanced esophageal squamous cell carcinoma (ESCC) showed significant immune activation and a partial response after treatment with a personalized mRNA vaccine and PD-1 inhibitor, marking a potential breakthrough in treatment.
  • The patient displayed a remarkable progression-free survival of 457 days and had no severe drug-related side effects, highlighting the vaccine's potential effectiveness and safety.
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In this study, the concentration of inorganic ions (SO, NH, NO and NO) and morphological characteristics of condensable particulate matter (CPM) were investigated to elucidate the formation mechanism of inorganic CPM from ultra-low emission coal-fired power plants. The concentration of inorganic ions increased with the increase of HO content and concentration of inorganic gaseous contaminants (SO, NO and NH), and decrease of condensation temperature, indicating the enhancement of heterogenous reaction in the saturated flue gas. Furthermore, NO and SO could undergo redox reactions, leading to an elevation in the concentration of SO and NO.

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