Publications by authors named "Wu Jiaxin"

(Miq.) Pax, a highly valued Chinese medicinal plant, is experiencing a notable decline in yield and quality due to viral diseases, particularly caused those by TuMV and BBWV2. Currently, the absence of a quantitative detection method for these viruses in impedes the accurate diagnosis.

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Intracerebral hemorrhage (ICH) represents the most severe subtype of stroke, and the lack of effective clinical pharmacotherapies poses a substantial threat to human health. Hematoma plays a crucial role in determining the prognosis of ICH patients by causing primary mechanical extrusion, followed by secondary brain injuries, such as cerebral edema, iron-mediated oxidative stress, and inflammation resulting from its degradation products. 5α-androst-3β,5α,6β-triol (TRIOL) is a neuroprotective steroid currently undergoing phase II clinical trial for acute ischemic stroke with anti-oxidative and anti-inflammatory properties.

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Although promising, dendritic cell (DC) vaccines may not suffice to fully inhibit tumor progression alone, mainly due to the short expression time of the antigen in DC vaccines, immunosuppressive tumor microenvironment, and tumor antigenic modulation. Overcoming the limitations of DC vaccines is expected to further enhance their anti-tumor effects. In this study, we constructed a circRNA-loaded DC vaccine utilizing the inherent stability of circular RNA to enhance the expression level and duration of the antigen within the DC vaccine.

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The gut microbiota plays a crucial regulatory role in various physiological processes, yet its impact on corneal homeostasis remains insufficiently understood. Here, we investigate the effects of antibiotic-induced gut dysbiosis (AIGD) and germ-free (GF) conditions on circadian gene expression, barrier integrity, nerve density, and immune cell activity in the corneas of mice. Through RNA sequencing, we found that both AIGD and GF conditions significantly disrupted the overall transcriptomic profile and circadian transcriptomic oscillations in the cornea.

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Large-scale water transport helps solve the imbalance in water resources. Studies on ecological benefits after long-term EWT mainly focus on vegetation restoration and increase in water surface. However, the maintenance of aquatic communities in the EWT context is a major challenge.

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In intensive poultry farming, environmental stress, pathogen infections, and noise can negatively impact growth or cause sudden death, leading to economic losses. The prevalent use of antibiotics as feed additives to prevent diseases in broilers has raised concerns about antibiotic resistance and highlighted the need for safer and more effective alternatives. Carnosic acid (CA), a bioactive compound derived from rosemary, exhibits notable pharmacological properties, including anti-inflammatory and antioxidant effects.

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  • * A benchmark study was conducted using experimental single-cell immune profiling datasets, highlighting that the methods TRUST4 and MiXCR provided superior performance in TCR reconstruction, while DeRR also showed notable accuracy.
  • * The introduction of the YASIM-scTCR simulator allows for the generation of diverse TCR-derived sequences, but the study found that sequencing depth significantly affects the success of TCR construction from scRNA-seq data.
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Serine incorporator 5 (SER5) can be incorporated into HIV-1 virions to block viral entry by disrupting the envelope glycoprotein-mediated viral fusion to the plasma membrane. Recent studies suggest that SER5 also inhibits HIV-1 mRNA transcription and the subsequent progeny virion biogenesis. However, the underlying mechanisms through which SER5 antagonizes the viral transcription remain poorly understood.

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  • Asch. & Schweinf. (1870) is a seagrass species found in tropical and temperate Indo-Pacific coastal waters, forming important ecosystems.
  • The study sequenced and characterized its complete chloroplast genome for the first time, revealing it to be a circular genome of 158,311 bp with various gene types, including 86 protein-coding genes.
  • Phylogenetic analysis indicates that this seagrass clusters with other species in the Cymodoceaceae family, contributing valuable data for future phylogenetic research.
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Critical-sized bone defects represent an urgent clinical problem, necessitating innovative treatment approaches. Gene-activated grafts for bone tissue engineering have emerged as a promising solution. However, traditional gene delivery methods are constrained by limited osteogenic efficacy and safety concerns.

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  • The study examines how long-term evolution of the HIV-1 Nef protein affects its ability to counteract the host factor SERINC5, which plays a role in viral infectivity.
  • Analysis involved comparing Nef isolates from different infection stages in 19 individuals with subtype B or C HIV-1, revealing that subtype B showed a decline in Nef's ability to inhibit SERINC5 over time, unlike subtype C.
  • The findings suggest that specific mutations in Nef are linked to variations in its function against SERINC5 and highlight the limited influence of host T cell responses on these mutations, providing insights into HIV-1 pathogenesis.*
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  • Parkinson's disease (PD) is increasing globally due to aging, but effective treatments for its motor and cognitive symptoms are still lacking, with neuroinflammation and neuronal apoptosis worsening these conditions.
  • The study developed minocycline-loaded iron oxide nanoparticles (FeO-MIN NPs) that can cross the blood-brain barrier using near-infrared (NIR) irradiation, allowing targeted delivery to the brain.
  • The FeO-MIN NPs showed strong anti-inflammatory and antioxidative properties, protecting neurons and improving motor function and cognitive ability in PD mice, indicating their potential as a therapeutic option.
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  • - The study explores the use of van der Waals semimetallic materials, particularly TiS and WTe, for creating better photodetecting devices that can operate across a wide range of frequencies, from visible light to terahertz.
  • - A significant challenge faced by these two-dimensional semimetals is their high dark current and low temperature coefficient of conductance, which can hinder performance, but this study presents a heterostructure solution to improve these issues.
  • - The TiS-WTe heterostructure shows enhanced photobolometric effects at low temperatures and maintains a good signal-to-noise ratio even at room temperature, suggesting potential advancements in thin-film optoelectronic device technology.
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  • * Recent progress in lanthanide-based NIR-IIb probes includes techniques like ratiometric imaging, multiplexed imaging, and persistent luminescence, enhancing wide-field and microscopy applications.
  • * The review discusses ongoing challenges in optimizing NIR-IIb probes, such as their photophysical properties and the selection of suitable imaging equipment, while also highlighting future directions to improve optical imaging technology.
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Aim: To evaluate the effect of chlorhexidine gluconate-loaded phase-transited lysozyme (CHG@PTL) coating on inhibiting bacterial adhesion and biofilm formation in an ex vivo root canal dentine model.

Methodology: The physicochemical and structural characteristics of CHG@PTL nanoparticle suspension and its coating formed on the dentine surface were analysed by thioflavin T fluorescence assay, transmission electron microscopy and confocal laser scanning microscopy (CLSM). The sustained chlorhexidine release profile of the CHG@PTL coating on the dentine surface was compared with that of the 2% CHG solution.

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Long-term grazing alters soil resource availability and microbial biomass stoichiometry in grassland ecosystems. Exploring the relationship between soil stoichiometric imbalance and microbial carbon use efficiency (CUE) in grazed desert steppe can help understand soil carbon dynamics from a microbial perspective. Based on a long-term grazing platform in desert steppe of Inner Mongolia established in 2004, taking heavy, moderate and light grazing intensities, using no grazing as a control, we measured soil available nutrients, microbial biomass and associated enzyme activities for their acquisition, and calculated soil microbial CUE using ecological stoichiometry.

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In many developing countries, inefficient waste source separation poses a significant challenge to sustainable waste management systems, hindering progress towards a circular economy. Previous research has shown mixed results regarding the effectiveness of informational interventions and has not thoroughly evaluated regulatory measures. This study innovatively employs a quasi-experimental design, enhanced by successive surveys, to assess the impact of targeted interventions on behavioural changes in waste separation practices.

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This research delves into the dynamic behavior of acoustic levitation of the particle chain in a nonlinear standing wave field. Experimental acoustic levitation control tests reveal bifurcation and jump phenomena during dynamic adjustments to resonant cavity height. Employing the 10-particle chain experiments and the COMSOL simulation models, the Sine-Gordon 2D vibration model is established to study the dynamic deformation process of the particle chain.

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  • Previous research indicated low levels of CD8CD39 T cells and high granzyme A (GZMA) in pediatric colitis and IBD, but the role of GZMA in gut barrier function was unclear.
  • The study employed various methods like Western blotting and in vitro assays to explore how GZMA affects intestinal epithelial barrier function and identified the underlying mechanisms.
  • Findings revealed that GZMA boosts epithelial barrier function by increasing the expression of Occludin and ZO-1 through signaling pathways, suggesting that enhancing GZMA could be a potential treatment approach for IBD patients.*
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  • Organophosphate esters (OPEs) and their metabolites (mOPEs) are increasingly recognized as harmful environmental pollutants, prompting the need for better analytical methods to measure them in human samples.
  • This study developed a streamlined analytical technique using cold-induced liquid-liquid extraction (CI-LLE) and HPLC-MS/MS to simultaneously detect 18 OPEs and 10 mOPEs in human serum, urine, and milk.
  • Results confirmed that the method had high sensitivity (with detection limits as low as 0.1 pg/mL), good recovery rates (80-123%), and minimal interference from the sample matrix, highlighting the widespread presence of OPEs and mOPEs in humans.
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  • The study investigates the link between urticaria (a skin condition) and mental disorders, confirming that individuals with urticaria are at a higher risk for conditions like ADHD and schizophrenia.
  • Using data from various genome studies, researchers found that different types of urticaria are associated with specific mental health risks and examined the role of inflammatory cytokines.
  • The findings suggest that inflammatory cytokines do not mediate the relationship between urticaria and mental disorders, indicating a need for integrated treatment approaches that consider both physical and mental health.
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  • The way drugs work depends a lot on how well they are delivered in the body, and bad delivery can cause serious side effects.
  • New technologies are helping create better delivery systems, like using tiny particles (nano DDSs), natural materials (EBDDSs), and even living cells (LCDDSs).
  • Living cell drug delivery systems are exciting for researchers because they work well with the body and can target diseases better, but more research is needed to understand how to use them effectively.
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The functionality of electroactive biofilms (EABs) is profoundly influenced by the proteomic dynamics within microbial communities, particularly through the participation of proteins in electron transfer. This study explored the impact of electrode surface orientation, measured by varying oblique angles, on the performance of EABs in bioelectrochemical systems (BES). Utilizing quantitative proteomics, results indicated that a slightly oblique angle (45°) optimized the spatial arrangement of microbial cells, enhancing electron transport efficiency compared to other angles tested.

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This study aims at the controllability of acoustically manipulated non-contact aggregation of bi-particle. Based on the acoustic wave radiation model of the transducer and the acoustic wave interference theory, the mathematical model between the spatial levitation point and the phase of the phased array ultrasonic array unit is established. A double-sided phased array test system was developed and the phase calculation algorithm for independently manipulating bi-particle was optimized.

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