Publications by authors named "Junchao Wu"

Inguinal hernia represents a clinically significant yet underreported complication of robot-assisted radical prostatectomy (RARP) for localized prostate cancer, with a notably high incidence within the first postoperative year. Despite its adverse impact on quality of life and potential for severe sequelae, predictive tools for this outcome remain limited. To develop and validate the first machine learning (ML)-based clinical prediction model for inguinal hernia within 1 year after RARP, leveraging explainable artificial intelligence (AI) techniques for clinical interpretability.

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Prostate cancer (PCa) is an extremely heterogeneous cancer and is highly prevalent in the older male population. Since intra-tumour heterogeneity (ITH) commonly results in PCa chemotherapy resistance and recurrence, it is critical to explore its effects on tumour behaviour. Prognostic genes related to ITH were identified, and a signature was constructed using Cox regression analyses and multiple machine learning algorithms.

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Background: Diabetic nephropathy (DN) is a serious complication of diabetes mellitus, often leading to poor outcomes in critically ill patients. Endothelial Activation and Stress Index (EASIX), a marker of endothelial dysfunction and systemic stress, has been associated with adverse outcomes in various diseases, but its role in predicting mortality in DN patients remains unclear.

Methods: A retrospective cohort study was conducted using the MIMIC-IV database.

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Reduced nicotinamide adenine dinucleotide phosphate (NADPH) is an important coenzyme involved in cellular biosynthetic and redox metabolism. It has been recognized for its role in regulating neuroinflammation through coordinating redox reactions. Whether there are new actions other than redox regulation remain unclear.

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Background: Plumbagin is effective in treating cholangiocarcinoma (CCA), however, the potential mechanism of plumbagin therapy is still unclear. This study aims to uncover the anti-tumor nature of plumbagin and the specific mechanism by which plumbagin alleviates NLRP3/caspase-1/GSDMD-induced pyroptosis.

Methods: Human CCA cells lines HuCCT1 and RBE and the CCA mouse model injected with HuCCT1 cells were used for the mechanism exploration.

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As a highly prevalent tumor in males, prostate cancer (PCa) needs newly developed biomarkers to guide prognosis and treatment. However, few researches have elaborated on the function of cuproptosis-associated RNA methylation regulators (CARMRs). We identified CARMRs based on single-sample gene set enrichment analysis and weighted gene co-expression network analyses.

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Bai-Ju essence (BJE) is a bioactive formulation composed of medicinal plant extracts, utilized in skincare products for its therapeutic potential. Atopic dermatitis (AD) is a chronic inflammatory skin disease characterized by epidermal barrier dysfunction and immune dysregulation. This study aimed to evaluate BJE anti-inflammatory and skin-protective effects, and its potential mechanisms in treating AD.

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Intricate interactions between immune cells and cytokines define psoriasis, a chronic inflammatory skin condition that is immunological-mediated. Cytokines, including interleukins (ILs), interferons (IFNs), tumor necrosis factors (TNFs), chemokines, and transforming growth factor-β (TGF-β), are essential for controlling cellular activity and immunological responses, maintaining homeostasis and contributing to the pathogenesis of psoriasis. These molecules modulate the immune microenvironment by either promoting or suppressing inflammation, which significantly impacts therapeutic outcomes.

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Background: Social determinants of health (SDOH) and metabolic syndrome (MetS) are related, but their combined effect on mortality risk remains unclear.

Methods: We analyzed data from NHANES (National Health and Nutrition Examination Survey) cycles between 2005 and 2018. The composite SDOH score was calculated by summing the weighted scores for each SDOH, categorizing participants into four groups: Q1 (0-1), Q2 (2-3), Q3 (4) and Q4 (≥ 5).

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Background: Cuproptosis, along with RNA methylation regulators, has recently come to the fore as innovative mechanisms governing cell death, exerting profound impact on the onset and progression of multiple cancers. Nonetheless, the prognostic implications and underlying regulatory mechanisms of them associated with prostate cancer (PCa) remain to be thoroughly investigated.

Methods: Genomic and clinical data for PCa from The Cancer Genome Atlas datasets were analyzed to identify a prognostic model through univariate and Least Absolute Shrinkage and Selection Operator Cox regression analyses that were validated utilizing external datasets.

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Shikonin (SHK) possesses extensive pharmacological effects including antimicrobial and anti-inflammatory properties for diabetic wound (DW), while its molecular mechanism remains to be clarified. In this study, we investigated the potential mechanisms of SHK in treating DW by combining network pharmacology and in vitro experiments. We obtained potential targets for SHK and DW from the publicly available database.

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Background: Pediatric stone disease, once considered rare, has gained significant attention over the past decade owing to its rapidly increasing incidence. Despite this surge, a comprehensive evaluation of this burden is lacking.

Objectives: This study aimed to estimate the burden of pediatric stone disease, stratified by age and sex, at the global, regional, and national levels from 1990 to 2021.

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Migrasomes are a newly discovered type of extracellular vesicle (EV) formed during cell migration, playing a pivotal role in intercellular communication. These vesicles are generated by retracting fibers of migrating cells and encapsulate various molecules, such as proteins, lipids, and RNA, allowing the transfer of biochemical signals to neighboring cells. Current evidence suggests that migrasomes are involved in a wide range of physiological processes such as embryogenesis, angiogenesis, immune modulation, and mitochondrial quality control.

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In this study, we present a case of a 51-year-old man with a gastric lesion initially suspected to be early gastric cancer but was ultimately diagnosed as a Gastric cystic polyp (GCP). The patient underwent diagnostic endoscopic submucosal dissection (ESD) based on the lesion's appearance and characteristics. Detailed pathological and immunohistochemical analysis confirmed the diagnosis of GCP.

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Diabetes is an endocrine disorder characterized by abnormally elevated blood glucose levels. Diabetic patients often exhibit impaired wound healing capabilities, particularly in the lower limbs, which is one of the numerous complications of diabetes. This is a significant factor leading to recurrent inflammation, disability, and even amputation.

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Diabetic ulcers (DUs) are a common and severe complication of diabetes, characterized by impaired wound healing due to a complex pathophysiological mechanism. Elevated levels of 11β-hydroxysteroid dehydrogenase type I (11β-HSD1) in wounds have been demonstrated to modulate glucocorticoid activity, leading to delayed skin cell proliferation and restricted angiogenesis, ultimately hindering wound healing. In this study, we propose an electrospun poly(ε-caprolactone) (PCL) nanofiber scaffold doped with the 11β-HSD1 inhibitor BVT2733 (BPs) to prevent 11β-HSD1 activity during the diabetic wound healing process.

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Objectives: Endoscopic resection of gastric submucosal tumors (SMTs) possesses minimal trauma, expedited recovery, and reduced costs. Nonetheless, intraoperative challenges, including imprecise surgical risk assessment, prevail. Hence, we investigated the correlation between preoperative CT observation features and perioperative parameters for predicting outcomes in SMT patients.

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Article Synopsis
  • NADPH is crucial for maintaining redox balance and biosynthesis, but its ability to cross cell membranes was unclear until now.
  • This study shows that NADPH can be transported into cells through the P2X7 receptor, particularly in microglia, and this process is influenced by ATP and specific receptor antagonists.
  • The findings suggest potential new methods for regulating NADPH levels, enhancing our understanding of its role in cellular processes like redox homeostasis and neuroinflammation.*
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Article Synopsis
  • Hemorrhagic stroke leads to high rates of illness and death worldwide, prompting research into potential treatments.
  • Nicotinamide riboside, a compound with good bioavailability and safety, was tested for its protective effects against a specific type of hemorrhagic stroke in mice.
  • The results showed that nicotinamide riboside significantly reduced brain damage, improved recovery, and minimized harmful processes like oxidative stress and inflammation.
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Pulses, as an important part of the human diet, can act as a source of high-quality plant proteins. Pulse proteins and their hydrolysates have shown promising results in alleviating metabolic syndrome and modulating the gut microbiome. Their bioactivities have become a focus of research, with many new findings added in recent studies.

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Article Synopsis
  • Excitotoxicity is a key factor in neurodegenerative diseases, and its connection to ferroptosis (a form of cell death) is not well understood.
  • This study finds that NADPH not only acts as a reductant but also interacts with N-myristoyltransferase 2 (NMT2), leading to increased levels of a protein (FSP1) that helps resist ferroptosis.
  • The research highlights that the interaction between NADPH, NMT2, and FSP1 is crucial for understanding how neurons can withstand ferroptosis, potentially offering new avenues for treating related diseases.
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Obesity is one of the most common metabolic diseases around the world, which is distinguished by the abnormal buildup of triglycerides within adipose cells. Recent research has revealed that autophagy regulates lipid mobilization to maintain energy balance. TIGAR (Trp53 induced glycolysis regulatory phosphatase) has been identified as a glycolysis inhibitor, whether it plays a role in the metabolism of lipids is unknown.

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Objective: To analyze the effect of additional surgery on the survival and prognosis of high-risk T1 colorectal cancer patients who have undergone endoscopic resection.

Methods: The clinical data of patients with high-risk T1 colorectal cancer were retrospectively collected. The patients were divided into the endoscopic resection (ER) plus additional surgical resection (SR) group, or the ER+SR group, and the ER group according to whether additional SR were performed after ER.

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Ischemia Stroke (IS) is an acute neurological condition with high morbidity, disability, and mortality due to a severe reduction in local cerebral blood flow to the brain and blockage of oxygen and glucose supply. Oxidative stress induced by IS predisposes neurons to ferroptosis. TP53-induced glycolysis and apoptosis regulator (TIGAR) inhibits the intracellular glycolytic pathway to increase pentose phosphate pathway (PPP) flux, promotes NADPH production and thus generates reduced glutathione (GSH) to scavenge reactive oxygen species (ROS), and thus shows strong antioxidant effects to ameliorate cerebral ischemia/reperfusion injury.

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Article Synopsis
  • - The text discusses how dysfunction in the lipid-microbiome feedback loop contributes to the issues seen in atopic dermatitis (AD), leading to immune imbalances that harm skin barrier integrity and increase susceptibility to pathogens.
  • - The review aims to clarify how abnormal lipid composition and microbiome disturbances interact with immune responses in AD, introducing the idea of a "lipid-microbiome" feedback loop influenced by these immune challenges.
  • - The authors suggest that enhancing the epidermal barrier through lipid supplementation and probiotics could potentially improve AD by rebalancing immune signaling and addressing disturbances in the epithelial immune microenvironment.
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