Publications by authors named "XiaoPeng Hu"

Background: Cancer stem cells are characterized by self-renewal, clonal tumor initiation capacity, and treatment resistance, which play essential roles in the tumor progression of prostate cancer (PCa). In this study, we aim to explore the features of cancer stemness and characterize the expression of stem cell-related genes for PCa.

Methods: We downloaded RNA-seq data and related clinical information from The Cancer Genome Atlas (TCGA) database.

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This work aimed to develop a fluorescence/colorimetric sensor for the ultrasensitive detection of AFB1 based on the aptamers and molecular imprinted polymers (MIPs). The polydopamine on FeO (FeO@MIP) was used to achieve efficient separation of AFB1. The aptamer-modified carbon dots and metal-organic frameworks (Apt-CDs@MOF) were used to form sandwich particles (FeO@MIP-AFB1-Apt-CDs@MOF).

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Photonic devices based on ferroelectric domain engineering in thin film lithium niobate are key components for both classical and quantum information processing. Periodic poling of ridge waveguide can avoid the selective etching effect of lithium niobate, however, the fabrication of high-quality ferroelectric domain is still a challenge. In this work, we optimized the applied electric field distribution, and rectangular inverted domain structure was obtained in the ridge waveguide which is beneficial for efficient nonlinear frequency conversions.

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Purpose: Kidney transplantation is the optimal therapy for end-stage renal disease, but pre-transplant malignancy (PTM) is a concern due to the increased risk of cancer recurrence with immunosuppression. While advancements in immunosuppression and cancer treatments have improved kidney recipient and graft survival, the impact of PTM on survival remains unclear and warrants comprehensive assessment.

Methods: This systematic review and meta-analysis followed PRISMA guidelines.

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Article Synopsis
  • This study introduces a new method called Single-cell m6A Analysis (Scm6A), which uses machine learning to quantify N6-methyladenosine (m6A) levels in individual cells, overcoming the challenges of existing methods.
  • Scm6A was validated through experiments on CD4+ and CD8+ T cells from blood samples, showing a strong correlation with results from another established method, m6A-seq.
  • The method was also applied to analyze m6A levels in lung cancer tissues and blood samples from COVID-19 patients, highlighting its potential for m6A-related research across various diseases.
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Treatment for Parkinson's disease (PD) has been impeded by inefficient treatment results and multiple membrane barriers during drug delivery. This study reports the design, synthesis, and application of microneedles (MNs) loaded with mitochondrion-targeted liposome encapsulated iron (Fe)-isolated single-atom nanozymes (Mito@Fe-ISAzyme, MFeI), called MFeI MNs, for in situ drug delivery into the brain parenchyma and efficient enrichment of drugs in lesion sites. In in vitro experiments, MFeI can scavenge reactive oxygen species (ROS) and protect the neurons via mitochondrial targeting, guaranteeing the subsequent treatment of PD.

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This study aimed to decipher the interaction between CD26 and caveolin-1, key proteins involved in cell signaling and linked to various diseases. Using computational methods, we predicted their binding conformations and assessed stability through 100 ns molecular dynamics (MD) simulations. We identified two distinct binding conformations (con1 and con4), with con1 exhibiting superior stability.

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Background: Zinc Finger Protein 337 (ZNF337) is a novel Zinc Finger (ZNF) protein family member. However, the roles of ZNF337 in human cancers have not yet been investigated.

Methods: In this study, with the aid of TCGA databases, GTEx databases, and online websites, we determined the expression levels of ZNF337 in pan-cancer and its potential value as a diagnostic and prognostic marker for pan-cancer and analyzed the relationship between ZNF337 expression and immune cell infiltration and immune checkpoint genes.

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A dual-mode fluorescence/visual aptasensor was developed for straightforward and accurate determination of aflatoxin B1 (AFB1) based on an Au/metal-organic framework (Au/MOF) composite. Aptamer-modified Au/FeO (Apt/Au/FeO) served as the recognition element, and Au/MOF modified with complementary chains and 3,3',5,5'-tetramethylbenzidine (cDNA/TMB/Au/MOF) acted as the fluorescence and visual probes. These components are integrated to form conjugates (Apt/Au/FeO-cDNA/TMB/Au/MOF).

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This study investigated the effect of different magnetic field treatments (0, 3, 6, 9, 12 mT) on the structure and emulsification properties of myofibrillar protein (MP). The results showed that the emulsion stabilized by MP with 3, 6, 9 mT magnetic field treatments possessed higher emulsifying ability, storage stability and apparent viscosity, since magnetic field induced the structural unfolding of MP and exposed the hydrophobic groups (the surface hydrophobic increased from 30.10 to 43.

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One-unit-cell FeSe films on SrTiO substrates are of great interest owing to significantly enlarged pairing gaps characterized by two coherence peaks at ±10 meV and ±20 meV. In-situ transport measurement is desired to reveal novel properties. Here, we performed in-situ microscale electrical transport and combined scanning tunneling microscopy measurements on continuous one-unit-cell FeSe films with twin boundaries.

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Background: Renal ischemia-reperfusion injury (RIRI) is an inevitable complication in the process of kidney transplantation and lacks specific therapy. The study aims to determine the underlying mechanisms of RIRI to uncover a promising target for efficient renoprotection.

Method: Four bulk RNA-seq datasets including 495 renal samples of pre- and post-reperfusion were collected from the GEO database.

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Background And Objective: The effectiveness of immunosuppressive and corticosteroid treatments for Immunoglobulin A (IgA) nephropathy (IgAN) remains thoroughly evaluated. We undertook a meta-analysis to investigate the efficacy and safety of low-dose corticosteroids plus leflunomide for progressive IgA nephropathy.

Methods: Eligible studies were obtained from PubMed, Embase, and Cochrane Library databases.

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Background: Antibody-mediated rejection (ABMR) emerged as a major cause of graft loss in renal transplantation. Needle biopsy is the gold standard for diagnosis of ABMR in renal allografts. Thus, noninvasive diagnosis methods of ABMR with high accuracy are urgently needed to prevent unnecessary biopsies.

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Article Synopsis
  • Mycophenolate mofetil (MMF) is a common immunosuppressive drug used in organ transplants but causes gastrointestinal (GI) side effects that are not well understood.
  • Research indicates that gut microbiota and their metabolites, particularly secondary bile acids (BAs), are significantly affected by MMF, which is linked to GI toxicity.
  • The study highlights that supplementing with lithocholic acid can reduce MMF's negative effects on GI health, and the use of paricalcitol, a VDR agonist, may provide a potential treatment option for these side effects.
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Magnetic field combined with calcium chloride (CaCl,) treatment is a highly promising technique for reducing sodium chloride (NaCl) in meat. Therefore, this paper investigated the effect of reducing NaCl addition (0-10%) by CaCl in combination with a magnetic field (3.8 mT) on the edible quality of low-salt pork mince.

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Article Synopsis
  • Electronic processors are hitting their speed limits, paving the way for faster optical processors, particularly through multifunctional all-optical logic gates (AOLGs) that offer significant speed advantages but face challenges in bandwidth and complexity.
  • The study presents a novel reconfigurable all-in-one broadband AOLG that can perform nine basic Boolean logic functions using liquid-metal Galinstan nanodroplet assemblies, which leverage unique properties for enhanced optical performance.
  • The research proposes a method for dynamic control of the optical properties in the AOLG, allowing for versatile logic function reconfiguration, which could lead to advancements in high-bandwidth all-optical circuits for efficient data processing in the future.
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Clear cell renal cell carcinoma (ccRCC) is characterized by high heterogeneity and recurrence rates, posing significant challenges for stratification and treatment. Basement membrane-related genes (BMGs) play a crucial role in tumor initiation and progression. Clinical and transcriptomic data of ccRCC patients were extracted from TCGA and GEO databases.

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The role of disulfidptosis in kidney renal clear cell carcinoma (KIRC) remains unknown. This study investigated disulfidptosis-related biomarkers for KIRC prognosis prediction and individualized treatment. KIRC patients were clustered by disulfidptosis profiles.

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Interferon-γ (IFN-γ) is an important cytokine in tissue homeostasis and immune response, while studies about it in antibody-mediated rejection (ABMR) are very limited. This study aims to comprehensively elucidate the role of IFN-γ in ABMR after renal transplantation. In six renal transplantation cohorts, the IFN-γ responses (IFNGR) biological process was consistently top up-regulated in ABMR compared to stable renal function or even T cell-mediated rejection in both allografts and peripheral blood.

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Article Synopsis
  • A new nonlinear holographic technique can process optical information at newly generated frequencies, beneficial for laser displays, security, and image recognition.
  • A popular method uses periodically poled lithium niobate (LN) crystals, but traditional methods limit pixel size and field-of-view (FOV) to several micrometers and degrees, respectively.
  • This study demonstrates a high-resolution LN hologram with 200 nm pixel size and FOV over 120°, achieving better image quality through techniques like Fourier transform and multiple diffraction orders.
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Article Synopsis
  • * Researchers analyzed DNA methylation data from large databases like The Cancer Genome Atlas (TCGA) and validated their findings with additional datasets, leading to the creation of a reliable diagnostic model for PCa based on specific gene methylation.
  • * The diagnostic model exhibited high accuracy (with AUC values up to 1.000) and indicated that certain methylation patterns are linked to lower immune cell presence in tumors, suggesting potential impacts on tumor progression and patient management strategies.
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