Publications by authors named "Tianhao Li"

Transcription factor binding sites (TFBSs) are critical in regulating gene expression. Precisely locating TFBSs can reveal the mechanisms of action of different transcription factors in gene transcription. Various deep learning methods have been proposed to predict TFBS; however, these models often need help demonstrating ideal performance under limited data conditions.

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Introduction: Recent clinical researches have reported that neoadjuvant chemoimmunotherapy (NCIT) significantly improve the pathological complete response (pCR) and major pathological response (MPR) rates. However, surrogate endpoints for survival remains controversy for locally advanced gastric cancer (LAGC) after NCIT.

Methods: A retrospective analysis was performed on 84 patients with LAGC who had undergone NCIT following radical resection in three medical centers in China, between July 2020 and September 2023.

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Mei (Prunus mume) is a highly nutritious fruit whose value is often underutilized due to its perishable nature and challenges in post-maturation storage. This study evaluated the changes and correlations among quality, volatile flavor compounds (VFCs), and microorganisms in Mei vinegar (MV) during acetic acid fermentation (AAF) and low temperature clarification (LTC) using various clarifiers. The results indicated that AAF enhanced the bioactive components and antioxidant capacity of MV.

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Background: Despite the success of immune checkpoint inhibitor (ICI)-based combination therapies in hepatocellular carcinoma (HCC), its effectiveness remains confined to a subset of patients. The development of reliable, predictive markers is important for accurate patient stratification and further mechanistic understanding of therapy response.

Methods: We comprehensively analyzed paired single-cell RNA transcriptome and T-cell repertoire profiles from 14 HCC ascites samples, collected from 7 patients before and after treatment with the combination of sintilimab (anti-PD-1) and bevacizumab (anti-VEGF).

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Background: Keloid scarring is caused by a fibroproliferative disorder due to abnormal activation of genes, the underlying mechanism of which is still unclear. The basic helix-loop-helix transcription factor Twist-related protein 1 (TWIST1) controls cell proliferation and differentiation in tissue development and disease processes. In this study, we aimed to clarify the essential role of TWIST1 in the pathogenesis of keloids.

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Article Synopsis
  • The paper discusses a new device for making magnetic particles to improve fluid mixing in microfluidic channels, crucial for lab-on-a-chip applications.
  • The fabrication process uses a degassed PDMS chip for self-priming, allowing for quick production of magnetic particles without external pumping, taking less than 10 minutes.
  • The magnetic particles enhance fluid mixing effectiveness at low Reynolds numbers, achieving high mixing indices (over 0.9) for various aqueous solutions and demonstrating effective performance with fluids of different viscosities.
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The depletion of fossil fuels has fueled an increased interest in biomass resources usage for heat and electricity generation. As an important biomass resource, Chinese medicine residues have great potential in substituting fossil fuels. However, that is basically limited by its poor properties, including low bulk density, high moisture content, and inhomogeneous structure.

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Electrochemical nitrate reduction to ammonia (NRA) is a promising sustainable way to synthesize ammonia (NH) from nitrate (NO ) contaminants. Cu-based electrocatalysts are frequently utilized for NRA due to their strong NO adsorption and de-oxygenation ability. However, this kind of catalyst usually possesses the weak water dissociation ability, resulting in insufficient proton supply in alkaline media to retard the following hydrogenation step of O-containing intermediates (*NO, typically NO ) to target NH.

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Insects have evolved a spectrum of strategies that facilitate survival in the face of adverse environmental conditions and bottom-up or top-down pressures. The egg is the first stage in the life cycle of most insects. It is not only immobile but in many insects is the stage that survives unfavourable seasons when food resources are unavailable.

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  • The study aimed to create an AI model using supervised contrastive learning (SCL) to reduce bias in diagnosing chest radiographs, particularly for COVID-19.
  • Evaluated on two large datasets (MIDRC and ChestX-ray14), the model showed significant improvements in reducing bias across different demographic groups, with various measures displaying strong statistical significance.
  • The findings suggest that SCL can enhance fairness and reliability in AI-driven diagnostic methods for chest radiographs, making it a promising tool in medical imaging.
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Diabetic foot ulcers (DFUs) pose a critical medical challenge, significantly im-pairing the quality of life of patients. Adipose-derived stem cells (ADSCs) have been identified as a promising therapeutic approach for improving wound healing in DFUs. Despite extensive exploration of the mechanical aspects of ADSC therapy against DFU, its clinical applications remain elusive.

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MnO/polypyrrole (PPy) composite films were deposited on fluorine-doped tin oxide (FTO) conductive glasses by a two-step wet-chemical method, including electrochemical deposition and chemical bath deposition (CBD). The porous MnO films were first grown on FTO glasses by an electrodeposition method. Second, polypyrrole nanoparticles were polymerized by the oxidation-reduction reaction between MnO and pyrrole, using the presynthesized MnO as the skeleton.

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Context: The thermal decomposition process of octahydro-1,3,5,7-tetranitro-1,3,5,7-tetrazocine/hydroxyl-terminated polybutadiene (HMX/HTPB) hybrid explosives and pure HMX explosives at different temperatures (2000 ~ 3500 K) was investigated using the reactive molecular dynamics method. This study aimed to analyze the effect of binders on the thermal decomposition of HMX at the atomic scale and reveal the thermal decomposition mechanism of HMX/HTPB. The results showed that the thermal decomposition process of the HMX molecule in the HMX/HTPB hybrid system involves a continuous denitration followed by the disintegration of the main ring.

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Background: An increasing number of surgical and nonsurgical interventions are available in the field of female genital plastic surgery. The rate of female genital plastic surgery has increased by nearly 220 percent over the past 5 years. Despite several studies on the topic, no relevant bibliometric analysis has been conducted.

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Branch number is one of the most important agronomic traits of fruit trees such as peach. Little is known about how LncRNA and/or miRNA modules regulate branching through transcription factors. Here, we used molecular and genetic tools to clarify the molecular mechanisms underlying brassinosteroid (BR) altering plant branching.

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Emotion recognition utilizing EEG signals has emerged as a pivotal component of human-computer interaction. In recent years, with the relentless advancement of deep learning techniques, using deep learning for analyzing EEG signals has assumed a prominent role in emotion recognition. Applying deep learning in the context of EEG-based emotion recognition carries profound practical implications.

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Background: The lower eyelid region is a critical component of the face. It is essential to establish anthropometric reference values for the evaluation of aging, surgical planning and assessment of outcomes in periocular esthetic and rejuvenation procedures. This study aims to provide comprehensive anthropometric data on the Chinese lower eyelid region, into account factors such as sex and age, through three-dimensional imaging analysis.

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In many biopolymer solutions, attractive interactions that stabilize finite-sized clusters at low concentrations also promote phase separation at high concentrations. Here we study a model biopolymer system that exhibits the opposite behavior, whereby self-assembly of DNA oligonucleotides into finite-sized, stoichiometric clusters tends to inhibit phase separation. We first use microfluidics-based experiments to map a novel phase transition in which the oligonucleotides condense as the temperature increases at high concentrations of divalent cations.

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Article Synopsis
  • Care management focuses on team-based, patient-centered strategies to enhance health outcomes and minimize risks within specific populations, particularly after patient discharge.
  • Elevance Health's Post Discharge Management (PDM) aims to reduce the risk of patients being readmitted within 30 days, but currently struggles with low engagement levels from participants.
  • Research using deep learning causal inference indicates that patients are more likely to engage positively when case managers employ more interactive interventions during the initial call, while less interactive, technical approaches tend to result in reduced engagement.
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The viral polymerase complex, comprising the large protein (L) and phosphoprotein (P), is crucial for both genome replication and transcription in non-segmented negative-strand RNA viruses (nsNSVs), while structures corresponding to these activities remain obscure. Here, we resolved two L-P complex conformations from the mumps virus (MuV), a typical member of nsNSVs, via cryogenic-electron microscopy. One conformation presents all five domains of L forming a continuous RNA tunnel to the methyltransferase domain (MTase), preferably as a transcription state.

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Article Synopsis
  • Annotating cell types in single-cell RNA sequencing (scRNA-seq) is essential for understanding tumor microenvironments, and pre-trained language models (PLMs) have improved this process.
  • While traditional methods struggled with performance, fine-tuning PLMs for specific tasks is resource-intensive, leading to the development of parameter-efficient fine-tuning (PEFT) which optimizes only a few parameters.
  • By utilizing scBERT and testing various PEFT methods, the study shows improved efficiency and effectiveness in cell type annotation, facilitating new cell type discovery and enhancing model interpretability for understanding potential marker genes.
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Wound repair is a complex challenge for both clinical practitioners and researchers. Conventional approaches for wound repair have several limitations. Stem cell-based therapy has emerged as a novel strategy to address this issue, exhibiting significant potential for enhancing wound healing rates, improving wound quality, and promoting skin regeneration.

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Background: The optimal timing of reconstruction for patients with facial localized scleroderma is uncertain. The purpose of this study was to compare the outcomes of autologous fat transplantation in adolescent and adult patients with stable localized scleroderma.

Methods: Adolescent (age 10 to 19 years) and adult (age >19 years) patients with no previous surgery were enrolled ( n = 10, each group).

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