Publications by authors named "Yunfei Xu"

Background: A few studies focus on the long-term outcomes and surveillance strategies for patients with hepatocellular carcinoma (HCC) and microvascular invasion (MVI) who experience postoperative recurrence. The aim of this study was to explore the patterns and prognosis of early and late recurrence (ER and LR) after hepatectomy of such patients.

Methods: Consecutive patients with HCC and MVI after hepatectomy from 26 centers in China from 2009 to 2020 were included.

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Ferroptosis is a type of iron‑dependent regulated cell death that differs from apoptosis, autophagy or necrosis. p23 serves as a co‑chaperone and performs a unique biological function in various diseases by binding to client proteins to modulate their biological functions; however, its effect on ferroptosis remains largely unknown. In the present study, the effects of cerebral ischemia/reperfusion (I/R) injury (CIRI) or oxygen‑glucose deprivation/reoxygenation on the blood‑brain barrier (BBB) and ferroptosis in brain microvascular endothelial cells (BMECs), as well as the expression of p23, were examined.

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Ninjurin1 (NINJ1) is initially identified as a nerve injury-induced adhesion molecule that facilitates axon growth. It is initially characterized to promote nerve regeneration and mediate the transendothelial transport of monocytes/macrophages associated with neuroinflammation. Recent evidence indicates that NINJ1 mediates plasma membrane rupture (PMR) in lytic cell death.

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Heat shock protein 90α (HSP90AA1) is a molecular chaperone involved in a variety of cellular processes. Special attention is paid to how perillaldehyde ameliorates kidney injury by inhibiting HSP90AA1-mediated iron and pyrotoxicity, and in-depth analysis of the molecular structure and protein interactions of HSP90AA-1. The interaction between perillaldehyde and HSP90AA1 and the effect of perillaldehyde on the molecular structure of HSP90AA1 were analyzed by molecular docking and surface plasmon resonance technique.

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Background: Sepsis-associated encephalopathy (SAE) represents a severe complication of sepsis, substantially elevating both mortality and healthcare costs for patients. Gastrodin (GAS), a principal bioactive constituent of Gastrodia elata Blume, is neuroprotective in various neurological disorders, including ischemic stroke, epilepsy, Alzheimer's disease, and neuropathic pain. In this study, we sought to investigate whether GAS could serve as a protective agent against SAE.

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  • * A study comparing C. tachangensis and C. sinensis found 1056 metabolites, with 256 being differentially abundant, revealing distinct metabolic profiles and unique flavors between the two species.
  • * Transcriptomic analysis showed that C. sinensis has more amino acids due to its genetic makeup, while variations in flavonoid levels suggest differences in taste and health benefits between the two types of tea.
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Introduction: Gemcitabine and cisplatin remain the cornerstone for the treatment of advanced or unresectable biliary tract cancers, but the incidence rate of the grade 3 or 4 toxic effects is high (70.7%). In recent years, significant progress has been achieved in the systemic treatment of cholangiocarcinoma with immune checkpoint inhibitors (ICIs), targeted therapy, and hepatic artery infusion chemotherapy (HAIC).

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  • PRRSV is a significant threat to the swine industry, and this study investigates the role of the small RNA, miR-191-5p, in combating PRRSV infection.
  • MiR-191-5p effectively inhibits PRRSV in porcine alveolar macrophages by targeting the epidermal growth factor receptor (EGFR), which normally suppresses antiviral signaling, thus promoting viral replication.
  • The research highlights that miR-191-5p enhances host immune responses against PRRSV by activating type I interferon signaling and shows potential as a therapeutic target for controlling the virus.
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  • PRRSV, a highly variable virus, shows different pathogenic effects in piglets when comparing two emergent strains, SD53 and HuN4, with SD53 causing milder symptoms and less tissue damage despite similar replication rates.
  • Hematological tests indicated that SD53 infection resulted in a lower inflammatory response, demonstrated by a significantly reduced neutrophil-to-lymphocyte ratio and lower levels of pro-inflammatory cytokines compared to HuN4.
  • The study contributes to understanding PRRSV's effects on the immune system, highlighting that SD53 enhances immune signaling more effectively while HuN4 triggers a stronger inflammatory reaction, potentially guiding future therapeutic strategies.
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  • G protein-coupled receptors (GPCRs) play a key role in how cells respond to hormones and environmental signals, and this study focuses on their involvement in ferroptosis and liver injury.
  • Researchers found that the receptor GPR56 helps cells resist ferroptosis, and its absence worsens liver damage caused by drugs or lack of oxygen.
  • The study highlights 17α-hydroxypregnenolone (17-OH PREG) as a potential therapeutic agent that activates GPR56 to protect against ferroptosis and maintain liver health, while mutant forms of GPR56 fail to respond to this hormone.
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Background: CCA has a poor prognosis. Different anatomical subtypes are characterized by distinct clinical features, surgical options, and prognoses, which can potentially impact survival outcomes following radical resection. In addition to the malignancy of CCA itself, clinical staging and treatment methods are the main factors that can affect survival.

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  • - Acute pancreatitis (AP) is an inflammatory condition caused by the improper activation of trypsin in the pancreas, with various contributing factors still being researched.
  • - Mitophagy, which helps maintain healthy mitochondria during stress, is found to be crucial in managing pancreatic injury, suggesting that boosting this process could alleviate the effects of AP.
  • - This review discusses the current findings on mitophagy's role in AP and highlights its potential as a target for new treatment options.
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Bladder cancer (BCa) stands out as a highly prevalent malignant tumor affecting the urinary system. The Sex determining region Y-box protein family is recognized for its crucial role in BCa progression. However, the effect of Sex determining region Y-box 7 (SOX7) on BCa progression has not been fully elucidated.

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Background: Reynoutria multiflora (Thunb.) Moldenke (Polygonum multiflorum Thunb, PM) is a medicinal plant that was an element of traditional Chinese medicine (TCM) for centuries as a treatment for a wide range of conditions. Recent studies reported that PM suppressed prostate cancer growth in an AR-dependent manner.

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Background: Acute liver failure (ALF) is a severe clinical syndrome characterized by massive hepatocyte death in a short time due to viruses, drugs, alcohol, or other factors. Oxidative stress is an important pathogenic mechanism of ALF. LPS-induced internalization of toll-like receptor 4 (TLR4) and the subsequent activation of the toll/IL-1R domain-containing adaptor-inducing IFN-beta (TRIF) signaling pathway widely mediate inflammatory responses in a series of diseases.

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  • * A new metallic THz photonic crystal resonator design enables efficient single mode surface emission with significant output power and narrow beam divergence, all without optical lenses.
  • * This approach achieves high beam brightness and stable surface emission, offering potential advancements for THz lasers in imaging, detection, and diagnostics.
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Objective: The potential association between Hashimoto's thyroiditis (HT) and papillary thyroid carcinoma (PTC) has been studied from different perspectives for many years. This study was aimed to evaluate the impact of HT on the clinical outcomes of PTC patients after radioactive iodine (RAI) therapy.

Material And Methods: We conducted a retrospective study on consecutive patients with PTC who underwent RAI therapy from April 2017 to May 2020.

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The unique physical tumor microenvironment (TME) and aberrant immune metabolic status are two obstacles that must be overcome in cancer immunotherapy to improve clinical outcomes. Here, an in situ mechano-immunometabolic therapy involving the injection of a biomimetic hydrogel is presented with sequential release of the anti-fibrotic agent pirfenidone, which softens the stiff extracellular matrix, and small interfering RNA IDO1, which disrupts kynurenine-mediated immunosuppressive metabolic pathways, together with the multi-kinase inhibitor sorafenib, which induces immunogenic cell death. This combination synergistically augmented tumor immunogenicity and induced anti-tumor immunity.

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Background: ATPase activity and the antioxidant function of intestinal tissue can reflect intestinal cell metabolic activity and oxidative damage, which might be related to intestinal function. However, the specific influence of intestinal ATPase activity and antioxidant function on growth performance, feed conversion efficiency, and the intestinal microbiota in sheep remains unclear.

Results: This study analyzed the correlation between ATPase activity and antioxidant function in the jejunum of 92 Hu sheep and their growth performance and feed conversion efficiency.

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Topological lasers (TLs) have attracted widespread attention due to their mode robustness against perturbations or defects. Among them, electrically pumped TLs have gained extensive research interest due to their advantages of compact size and easy integration. Nevertheless, limited studies on electrically pumped TLs have been reported in the terahertz (THz) and telecom wavelength ranges with relatively low output powers, causing a wide gap between practical applications.

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The chemokine CXCL8, also known as the neutrophil chemotactic factor, plays a crucial role in mediating inflammatory responses and managing cellular immune reactions during viral infections. Porcine reproductive and respiratory syndrome virus (PRRSV) primarily infects pulmonary alveolar macrophages (PAMs), leading to acute pulmonary infections. In this study, we explored a novel long non-coding RNA (lncRNA), termed lnc-CAST, situated within the Cxcl8 gene locus.

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Cholangiocarcinoma (CCA), an exceptionally aggressive malignancy originating from the epithelium of the bile duct, poses a formidable challenge in cancer research and clinical management. Currently, attention is focused on exploring the oncogenic role and prognostic implications associated with Bmi1 in the context of CCA. In our study, we assessed the correlation of Bmi1 and Foxn2 expression across all types of CCA and evaluated their prognostic significance.

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