Publications by authors named "Peng Ran"

Background: Amyloid precursor-like protein 1 (APLP1) is involved in pathological α-synuclein transmission, but its role in Parkinson's disease (PD) progression has not been explored.

Objective: This study investigates APLP1 as a potential predictor for motor and cognitive deterioration in PD.

Methods: Plasma APLP1 levels were measured in PD patients from the Huashan Hospital for Parkinson's Disease (HSPD) and Parkinson's Disease Progression Markers Initiative (PPMI) cohorts.

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Traditional energy-integration X-ray imaging systems rely on total X-ray intensity for image contrast, ignoring energy-specific information. Recently developed multilayer stacked scintillators have enabled multispectral, large-area flat-panel X-ray imaging (FPXI), enhancing material discrimination capabilities. However, increased layering can lead to mutual excitation, which may affect the accurate discrimination of X-ray energy.

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Background: XKH001 is a recombinant humanized IgG1 monoclonal antibody against IL-25 for the treatment of type 2 inflammatory diseases. This study aimed to evaluate the tolerability, pharmacokinetics, and pharmacodynamics of XKH001 in humans for the first time.

Research Design And Methods: This clinical investigation adopted a randomized, double-blind, and placebo-controlled single ascending dose (SAD) and multiple ascending dose (MAD) design.

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In order to solve the engineering problem of a large amount of wind leakage in the 8106 comprehensive mining working face of the Carboniferous System under the influence of overlapping mining of two coal seams in Yongdingzhuang Mine, Datong Mining Area, this paper utilizes finite element numerical simulation software to study the wind leakage characteristics of the 8106 working face and the distribution range of the spontaneous combustion "three zones" of the mining area. The results show that, under the condition of external air leakage, the internal pressure of the goaf is greater than the external pressure, the upper pressure is greater than the lower pressure, and the seepage direction is from the top down and from the inside out. Under the condition of no external air leakage, the air leakage source is mainly concentrated in the air inlet lane.

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Mass spectrometry (MS)-based proteomics has become instrumental in comprehensively investigating complex biological systems. Data-independent acquisition (DIA)-MS, utilizing hybrid spectral library search strategies, allows for the simultaneous quantification of thousands of proteins, showing promise in enhancing protein identification and quantification precision. However, low-quality profiles can considerably undermine quantitative precision, resulting in inaccurate protein quantification.

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The coronavirus disease 2019 (COVID-19) pandemic has reminded us of human infections with the H7N9 virus and has raised questions related to the clinical and molecular pathophysiological diversity between the two diseases. Here, we performed a proteomic approach on sera samples from patients with H7N9-virus or SARS-CoV-2-virus infection and healthy controls. Compared to SARS-CoV-2, H7N9-virus infection caused elevated neutrophil concentrations, T cell exhaustion, and increased cytokine/interleukin secretion.

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Article Synopsis
  • A new robotic system has been developed to enable accurate 3D imaging and morphological profiling of small model organisms like nematodes, overcoming challenges in resolution and complex shapes.
  • The system allows for contactless rotation and high-resolution imaging, which provides detailed 3D reconstructions at various developmental stages and mutant strains.
  • This technological advancement has led to the discovery of genetic interactions relevant to neurological and muscular disorders, showcasing its potential for broader applications in studying various biological samples.
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  • Multi-omics studies have enhanced our understanding of breast ductal carcinoma (BRDC) biology and helped develop targeted therapies, but the sequence of key biological events during disease progression remains unclear.
  • A comprehensive analysis of 224 samples from 168 patients revealed that mutations in tumor protein P53 and overexpression of estrogen receptor 1 are critical for transitioning from ductal hyperplasia to ductal carcinoma in situ.
  • The study identifies specific molecular factors and pathways, including AKR1C1 as a potential therapeutic target, and highlights the effectiveness of aspirin and dydrogesterone against tumor cells, paving the way for treatment options throughout different stages of BRDC.
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  • A study was conducted to examine how regular internet usage affects overall and specific types of mortality among 21,481 older adults, aged around 64 years, over a span of 14 years.
  • The findings revealed that regular internet users had a lower risk of dying from any cause (hazard ratio of 0.78) and particularly from cardiovascular diseases (hazard ratio of 0.72), with no significant differences based on age, sex, or lifestyle factors like exercise and alcohol consumption.
  • The research also indicated that using the internet for about 2.1 to 4 hours daily may provide the greatest protective benefits against mortality, though more data is needed to fully confirm these trends.
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  • The study investigates the benefits of robot-assisted unilateral biportal endoscopy (R-ULIF) in lumbar decompression fusion surgery, comparing it to percutaneous endoscopic lumbar decompression and interbody fusion (Endo-LIF).
  • A total of 26 patients were divided into two equal groups, with various factors analyzed including operation time, blood loss, postoperative stay, and effectiveness measured by pain and disability indices.
  • Results showed the R-ULIF group had less fluoroscopy use, reduced blood loss, and shorter hospital stays, with better functional outcomes at 1 and 3 months post-surgery, indicating it may be a superior option for this procedure.
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Effectively incorporating technology into teaching and learning can be accomplished through the application of information and communication technology (ICT). Nonetheless, the extent to which ICT is employed in educational environments is heavily impacted by numerous factors. Teachers' ICT integration in China was investigated with the aim of identifying the specific factors that influence it.

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Grass carp (Ctenopharyngodon idella) is an intensively cultured and economically important herbivorous fish species in China, but its culture is often impacted by Aeromonas pathogens such as Aeromonas hydrophila and Aeromonas veronii. In this study, healthy grass carp were separately infected with A. hydrophila or A.

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  • Salivary duct carcinoma (SDC) is a rare and aggressive cancer, and this case highlights a unique instance where it caused skin metastasis after a burn injury in an 85-year-old man six years post-treatment.
  • The patient experienced cutaneous metastasis on his fingertips, leading to concerns about limb function and quality of life, prompting the need for further exploration into the relationship between scalds and distant cancer recurrence.
  • The patient underwent targeted radiotherapy which successfully shrank the tumors, with some side effects, reinforcing the idea that radiotherapy is preferable to surgery to preserve finger function in cases of metastatic SDC.
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Decay-accelerating factor (DAF) is an essential member of the complement regulatory protein family that plays an important role in immune response and host homeostasis in mammals. However, the immune function of DAF has not been well characterized in bony fish. In this study, a complement regulatory protein named CiDAF was firstly characterized from Ctenopharyngodon idella and its potential roles were investigated in intestine following bacterial infection.

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Flexible surface-enhanced Raman scattering (SERS) substrates adaptable to strains enable effective sampling from irregular surfaces, but the preparation of highly stable and sensitive flexible SERS substrates is still challenging. This paper reports a method to fabricate a high-performance strain-adaptable SERS substrate by self-assembly of Au nanoparticles (AuNPs) on polydimethylsiloxane (PDMS) nanowrinkles. Nanowrinkles are created on prestrained PDMS slabs by plasma-induced oxidation followed by the release of the prestrain, and self-assembled AuNPs are transferred onto the nanowrinkles to construct the high-performance SERS substrate.

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  • This research introduces a new method for tracking onion-like carbon nanoparticles in colorectal cancer cells, significant for photothermal cancer therapy.
  • * The approach utilizes limited-angle digital holographic tomography combined with an internal learning neural network to accurately monitor and reconstruct 3D data without needing external training sets.
  • * Validation of the method was done using standard microspheres, and it revealed insights into the nanoparticles' behavior over time within cancer cells, enabling a better understanding of their mechanisms.
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The incidence of urothelial carcinoma continues to rise annually, particularly among the elderly. Prompt diagnosis and treatment can significantly enhance patient survival and quality of life. Urine cytology remains a widely-used early screening method for urothelial carcinoma, but it still has limitations including sensitivity, labor-intensive procedures, and elevated cost.

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Wide-bandgap (WBG) perovskites play a crucial role in perovskite-based tandem cells. Despite recent advances using self-assembled monolayers (SAMs) to facilitate efficiency breakthroughs, achieving precise control over the deposition of such ultrathin layers remains a significant challenge for large-scale fabrication of WBG perovskite and, consequently, for the tandem modules. To address these challenges, we propose a facile method that integrates MeO-2PACz and Me-4PACz in optimal proportions (Mixed SAMs) into the perovskite precursor solution, enabling the simultaneous codeposition of WBG perovskite and SAMs.

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Based on Boyd's "Observation Orientation-Decision-Action (OODA)" aerial combat theory and the principles of operational success, an analysis of the operational division patterns for cross-generational human-machine collaboration was conducted. The research proposed three stages in the development of aerial combat human-machine fusion intelligence: "Human-Machine Separation, Functional Coordination," "Human-Machine Trust, Task Coordination," and "Human-Machine Integration, Deep Fusion." Currently, the transition from the first stage to the second stage is underway, posing challenges primarily related to the lack of effective methods guiding experimental research on human-machine fusion interaction and trust.

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Throughout history, rivers and lakes have wielded a profound influence on the dynamics of urban transportation expansion. To illustrate this phenomenon, we turn to the century-long evolution of the road network in Wuhan, China, as a case study. The study aims to explore the relationship framework between water bodies and urban transportation, characterized by the sequence of "strong connection" to "weakened connection", then to "mutual restriction", and ultimately to "mutual benefit".

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Backgrounds: Short-term exposure to air pollutants increases the risk of migraine, but the long-term impacts of exposure to multiple pollutants on migraine have not been established. The aim of this large prospective cohort study was to explore these links.

Methods: A total of 458,664 participants who were free of migraine at baseline from the UK Biobank were studied.

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Soft tissue sarcoma is a broad family of mesenchymal malignancies exhibiting remarkable histological diversity. We portray the proteomic landscape of 272 soft tissue sarcomas representing 12 major subtypes. Hierarchical classification finds the similarity of proteomic features between angiosarcoma and epithelial sarcoma, and elevated expression of SHC1 in AS and ES is correlated with poor prognosis.

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Background: Surgical treatment for renal cell carcinoma (RCC) and inferior vena cava (IVC) tumor thrombus (TT) is difficult, and the postoperative complication rate is high. This study aimed to explore the safety and oncologic outcomes of neoadjuvant stereotactic ablative body radiotherapy (SABR) combined with surgical treatment for RCC and IVC-TT.

Methods: Patients with RCC and IVC-TTs were enrolled in this study.

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