Publications by authors named "Han Song"

Hexokinase 2 (HK2) plays a vital role in mitochondrial homeostasis; however, the molecular mechanisms underlying its involvement in high-concentrate diet-induced damage in the ruminal epithelium of dairy cows are poorly understood. This study aimed to explore the regulatory role of HK2 in mitochondrial function and responses to inflammation in the rumen of dairy cows fed a high-concentrate diet. Our results showed that, compared with a low-concentrate (LC) diet, feeding a high-concentrate (HC) diet increased oxidative stress and reduced relative antioxidant gene expression levels and enzyme activities in the ruminal epithelium.

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Background: Chronic biliary disease, including cholangitis and cholecystitis, is attributed to ascending infection by intestinal bacteria. Development of a mouse model for bile duct inflammation is imperative for the advancement of novel therapeutic approaches. Current models fail to replicate the harmful bacterial influx to the biliary tract observed in humans and spread of inflammation to the liver.

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Rationale And Objectives: The escalating incidence of placental accreta spectrum (PAS), a pregnancy complication, underscores the need for accurate prenatal diagnosis to guide optimal management strategies. This study aims to develop, validate, and compare various prenatal PAS prediction models integrating clinical data, MRI signs, and radiomics signatures.

Materials And Methods: A cohort comprising 111 patients (72 with PAS and 39 without, denoted as N-PAS) served as the training set, while another 47 patients (33 PAS and 14 N-PAS) constituted the validation set.

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Objectives: This systematic review aims to evaluate the methodology used in pancreatic cancer (PC) randomised controlled trials (RCTs) measuring quality of life (QOL) and focuses on the type, frequency, survey compliance and duration of these assessments.

Design: Systematic review of PC RCTs measuring QOL.

Data Sources: A search of PubMed.

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  • Oncogenic KRAS signaling is vital in pancreatic ductal adenocarcinoma (PDAC), and previous treatments targeting MEK and BCL-xL were ineffective due to amplified EGFR signaling in patients.
  • A new strategy using a triplet therapy involving trametinib (MEK inhibitor), DT2216 (BCL-xL degrader), and afatinib (EGFR inhibitor) showed improved results in killing PDAC cells both in lab tests and in mouse models.
  • The combination produced significantly better tumor growth reduction compared to double treatments and highlighted EGFR's role, suggesting this triplet approach warrants clinical testing for PDAC patients.
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Introduction: The surgery of clival chordoma remains one of the most formidable challenges for neurosurgeons because of its location at great depth in the cranium and proximity to critical neurovascular structures. Here, we describe the technique and feasibility of the purely endoscopic far-lateral supracerebellar infratentorial approach (EF-SCITA) for resection of an intradural clival chordoma.

Case Description: A 68-year-old women presented with sudden ptosis on the left side for two weeks.

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The transfer of antibiotic resistance genes (ARGs) pose environmental risks that are influenced by soil activity and pollution. Soil erosion and sedimentation accelerate degradation and migration, thereby affecting soil distribution and contamination. This study quantified the vertical and horizontal transfer capabilities of ARGs and simulated soil environments under various scenarios, such as erosion, agricultural cycles, and chemical pollution.

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Aerial-aquatic unmanned vehicles are a combination of unmanned aerial vehicles and unmanned submersibles, capable of conducting patrols in both the air and underwater domains. This article introduces a novel aerial-aquatic unmanned vehicle that integrates fixed-wing configuration and flapping-wing configuration. In order to improve the low efficiency of the classic diagonal motion trajectory, this paper proposed an improved diagonal motion trajectory based on joint optimization of the stroke angle and angle of attack curve.

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  • This study investigates how environmental factors affect the distribution of soil organic carbon (SOC) in Anhui Province, China, using national soil data.
  • The research utilized the geographically weighted regression (GWR) model for analyzing the spatial characteristics of soil organic carbon density (SOCD) from 1985 to 2018, revealing that the SOCD is higher in the south and lower in the north of the province.
  • Key environmental influences included the normalized difference vegetation index (NDVI) and air temperature, which showed significant correlations with changes in SOCD, highlighting their importance in soil quality and response to climate change.
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Differentiated thyroid cancer in older adults has been linked to alterations in the mutational landscape and tumor immune cell infiltration that create a tumor-permissive microenvironment. We sought to determine the impact of age on genomic alterations and immune cell composition in papillary thyroid cancer (PTC). Genomic alterations, immune cell composition, and clinical data were obtained using The Cancer Genome Atlas and computational immunogenomic analyses.

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  • This study investigates how Polydatin (PD) affects endoplasmic reticulum (ER) stress after subarachnoid hemorrhage (SAH) in mice and explores the underlying mechanisms.
  • The research involved various methods, including neurological function tests, assessment of blood-brain barrier permeability, and analysis of ER stress-related proteins, to evaluate PD's effectiveness.
  • Findings show that PD decreased brain edema and improved neurological function by reducing ER stress markers and enhancing SIRT1 expression, ultimately protecting against neuronal apoptosis and SAH-related damage.
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Quantum dot sensitized solar cells (QDSCs) represent a promising third-generation photovoltaic technology, boasting a high theoretical efficiency of 44% and cost efficiency. However, their practical efficiency is constrained by reduced photovoltage (V) and fill factor (FF). One primary reason is the inefficient charge transfer and elevated recombination rates at the counter electrode (CE).

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Tumor-associated macrophages play an important role in the tumor immune microenvironment, and regulating the function of tumor-associated macrophages has important therapeutic potential in tumor therapy. Mature macrophages could migrate to the tumor microenvironment, influencing multiple factors such as tumor cell proliferation, invasion, metastasis, extracellular matrix remodeling, immune suppression, and drug resistance. As a major component of the tumor microenvironment, tumor-associated macrophages crosstalk with other immune cells.

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  • The management of vestibular schwannoma (VS) presents challenges in neurosurgery due to the complex anatomy surrounding the tumor.
  • The study examines a fully endoscopic approach (ER-TPFA) for VS surgery in 36 patients, which allows for precise dissection without the need for traditional brain retraction.
  • Results show that the technique achieved high rates of tumor removal (91.7%) and facial nerve preservation, with minimal complications, suggesting it could be a safe alternative for treating VS.
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  • Bridges are essential for our economy and daily life, but aging structures pose a risk, particularly due to support and joint damages that often lead to failures.* -
  • This study highlights the need for improved monitoring techniques focused on bridge support fixity to maintain structural integrity, as most existing research overlooks this critical area.* -
  • Researchers developed a method using an Artificial Neural Network (ANN) model to assess support fixity based on thermal responses, validating their approach with data from two live bridges in Connecticut.*
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Members of the genus Shewanella are known for their versatile electron accepting routes, which allow them to couple decomposition of organic matter to reduction of various terminal electron acceptors for heterotrophic growth in diverse environments. Here, we report autotrophic growth of Shewanella oneidensis MR-1 with photoelectrons provided by illuminated biogenic CdS nanoparticles. This hybrid system enables photosynthetic oscillatory acetate production from CO for over five months, far exceeding other inorganic-biological hybrid system that can only sustain for hours or days.

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Purpose: The purpose of this study was to evaluate the correlations and consistency among the central corneal thickness (CCT) of healthy myopic patients measured with three different anterior segment analysis systems.

Design: This was a retrospective study. The study included myopia patients who had undergone preoperative examinations in the refractive surgery department of our hospital between January 2021 and December 2023.

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Minoxidil (MXD) is the only topical over-the-counter medicine approved by the United States Food and Drug Administration for the treatment of androgenetic alopecia. For the purpose of targeting the delivery of MXD to dermal papilla in the hair follicle, MXD Pickering emulsion gels were fabricated based on the designability of deep eutectic solvent (DES) and the versatility of cellulose nanocrystal (CNC) and sodium carboxymethyl cellulose (CMC-Na). Structural studies and theoretical calculations results suggest that CNC can stabilize the interface between the MXD-DES and water, leading to the formation of Pickering emulsions.

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Objectives: This study aimed to investigate the histological and molecular characteristics of atypical central neurocytomas (CNs) and evaluate their clinical treatment outcomes, with the aim of identifying reliable biomarkers for differentiation and optimal treatment strategies.

Methods: We conducted a retrospective study including 61 patients diagnosed with CNs. Clinical data, neuroimaging, and pathological findings were analyzed.

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Flexible piezoresistive sensors are in high demand in areas such as wearable devices, electronic skin, and human-machine interfaces due to their advantageous features, including low power consumption, excellent bending stability, broad testing pressure range, and simple manufacturing technology. With the advancement of intelligent technology, higher requirements for the sensitivity, accuracy, response time, measurement range, and weather resistance of piezoresistive sensors are emerging. Due to the designability of polymer porous materials and conductive phases, and with more multivariate combinations, it is possible to achieve higher sensitivity and lower detection limits, which are more promising than traditional flexible sensor materials.

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Background: Solitary fibrous tumor (SFT) is a rare soft tissue tumor originating from mesenchymal cells. Thus far, there have been no reported cases of SFT closely related to the iliac vessels.

Case Presentation: An elderly woman was found to have had a lower abdominal mass for more than 20 years.

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This study investigated the characteristics of dissolved organic matter (DOM) in two distinct water bodies, through the utilization of three-dimensional fluorescence spectroscopy coupled with self-organizing map (SOM) methodology. Specifically, this analysis concentrated on neurons 3, 14, and 17 within the SOM model, identifying notable differences in the DOM compositions of a coal subsidence water body (TX) and the MaChang Reservoir (MC). The humic substance content of DOM TX exceeded that of MC.

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  • The study examined the impact of dietary supplements made from Saccharomyces cerevisiae fermentation products on the performance and health of dairy cows during lactation, specifically from 21 days pre-calving to 56 days post-calving.
  • Three dietary treatments were tested: a control diet, a diet supplemented with 40 g/d of XPC, and a diet supplemented with 19 g/d of NutriTek, with measures taken of milk production, blood metabolites, and overall health indicators.
  • Results indicated that cows receiving XPC and NutriTek produced more milk and had better nutrient levels in their blood, highlighting the benefits of these fermentation products in enhancing dairy cow metabolism and performance.
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