Publications by authors named "Xicai Sun"

Objective: To characterize research on inflammation in CRS over the past 23 years, and analyze trends in hotspots, and collaboration networks.

Methods: We conducted a methodological, objective, and extensive analysis of inflammation in CRS to track research trends and hotspots. Original research literature published between 2000 and 2023 was obtained from The Web of Science Core Collection (WoSCC) database.

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  • * Researchers identified five distinct expression profiles among cancer cells and developed a classification system categorizing ONB into three types: neural, basal, and mesenchymal, which may influence treatment strategies.
  • * The study also highlighted interactions in the tumor microenvironment and noted a prevalence of immunosuppressive macrophages, suggesting that therapies targeting these immune cells could be beneficial for treating ONB.
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  • The WHO ended the global emergency status of COVID-19 in May 2023, but many recovered individuals still face long COVID symptoms like fatigue and loss of smell.
  • The review discusses the clinical aspects of SARS-CoV-2-induced upper respiratory tract infections (URTIs) and proposes nasal irrigation as a potential prevention and treatment method.
  • Saline nasal irrigation could help reduce virus presence in the upper respiratory tract, improve symptom relief, and slow down transmission rates, making it a safe and effective strategy for various age groups.
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Background: The association between objective imaging findings and subjective symptoms remains undefined.

Aims: To investigate the correlation between objective imaging findings and symptom severity in the overall chronic rhinosinusitis with nasal polyps (CRSwNP) population as well as its subendotypes according to the eosinophilic inflammation.

Methods: Patients with CRSwNP undergoing endoscopic sinus surgery were included.

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  • Extracellular vesicles (EVs) derived from neural stem cells (EVs-NSC) show promise in treating neurological disorders, especially through suppressing neurotoxic activation in reactive astrocytes linked to conditions like intracerebral hemorrhage (ICH).
  • The study reveals that interferon-β (IFNβ) plays a crucial role in this neurotoxic activation, with EVs-NSC utilizing the microRNA miR-124-3p to degrade IFNβ mRNA and inhibit related gene expression.
  • By diminishing astrocyte neurotoxicity and saturated lipid secretion through these mechanisms, EVs-NSC or increased levels of miR-124-3p may enhance recovery from neural
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  • Chronic rhinosinusitis with nasal polyps (CRSwNP) can be categorized into eosinophilic and noneosinophilic types based on eosinophil levels, with neutrophils being key players in the inflammation process.
  • A study analyzed neutrophils from CRSwNP polyps, revealing five functional subsets and highlighting distinct behaviors in eosinophilic (eCRSwNP) and noneosinophilic (neCRSwNP) cases, particularly with GBP5+ neutrophils showing strong activity in neCRSwNP.
  • The research demonstrated that neutrophils release oncostatin M (OSM), interacting with epithelial cells and fibroblasts, which may enhance immune responses and contribute to the development of CR
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  • After initial treatment for nasopharyngeal carcinoma (NPC), tumor progression can indicate a worse outlook for patients, with microRNAs like miR-142-3p playing a significant role in tumor immunity.
  • Our research identified miR-142-3p as a key miRNA that is upregulated and linked to poor prognosis in recurrent NPC patients, targeting proteins CFL2 and WASL to influence tumor behavior.
  • Additionally, we found that miR-142-3p disrupts immune responses by impairing IRF3, IRF7, and p65 signaling, and is involved in its own processing through a protein interaction with ADAR1, highlighting its potential as both a biomarker and therapeutic target for NPC
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  • This study examines the prognostic factors affecting patients with advanced olfactory neuroblastoma (ONB) who received endoscopic surgery, analyzing their medical records and outcomes.
  • A total of 85 patients were reviewed, with significant findings indicating that certain surgical approaches, like bony skull base resection, may enhance overall survival, while dura resection did not show significant benefits.
  • The researchers concluded that combining endoscopic surgery with postoperative radiotherapy is both effective and safe, emphasizing the importance of careful patient selection for dura resection to minimize complications while maximizing survival chances.
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Anatomical variation or scar atresia of the drainage channel of the frontal sinus on the affected side, and opening the frontal sinus through the drainage channel of the frontal sinus on the affected side may lead to surgical failure. The purpose of this study is to explore a modified Draf Ⅲ operation to complete the drainage of the affected frontal sinus by removing the floor wall and septum of the frontal sinus and connecting the bilateral frontal sinus through the healthy side of the frontal sinus. Through the anatomical study of 2 skull bone specimens and 2 fresh frozen specimens, the surgical landmark and surgical approach were explored.

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  • - The parapharyngeal space is a complex area in the head and neck that contains important blood vessels and nerves, where rare tumors typically form, mostly being benign.
  • - Surgery is the main method for treating these tumors, but it can be difficult due to the complicated anatomy of the area, leading to tissue damage and complications post-surgery.
  • - Recent advancements in understanding the anatomy and surgical techniques have improved the approaches to managing these tumors, making treatments more effective and safer.
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To describe the road map of the lateral and endoscopic ventral approaches for the pharyngeal segment of the internal carotid artery, propose a sub-segmentation scheme, systematically and comprehensively understand its anatomical details and relationships with the surrounding structures. Five fresh cadaveric head specimens(10 sides in total) were dissected through lateral and endoscopic ventral approaches to evaluate the anatomical details of the parapharyngeal internal carotid artery and its relationship with the surrounding structures. From the bifurcation of the common carotid artery to the vertical part of the internal carotid artery, alongside the direction of blood flow, the parapharyngeal internal carotid artery passes through four distinct anatomical tissues.

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Accumulating studies have indicated that the gut microbiota plays a pivotal role in the onset of autoimmune diseases by engaging in complex interactions with the host. This review aims to provide a comprehensive overview of the existing literatures concerning the relationship between the gut microbiota and autoimmune diseases, shedding light on the complex interplay between the gut microbiota, the host and the immune system. Furthermore, we aim to summarize the impacts and potential mechanisms that underlie the interactions between the gut microbiota and the host in autoimmune diseases, primarily focusing on systemic lupus erythematosus, rheumatoid arthritis, Sjögren's syndrome, type 1 diabetes mellitus, ulcerative colitis and psoriasis.

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Background: Intranasal transplantation of ANGE-S003 human neural stem cells showed therapeutic effects and were safe in preclinical models of Parkinson's disease (PD). We investigated the safety and tolerability of this treatment in patients with PD and whether these effects would be apparent in a clinical trial.

Methods: This was a 12-month, single-centre, open-label, dose-escalation phase 1 study of 18 patients with advanced PD assigned to four-time intranasal transplantation of 1 of 3 doses: 1.

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Parkinson's disease (PD) is a ubiquitous brain cell degeneration disease and presents a significant therapeutic challenge. By injecting 6-hydroxydopamine (6-OHDA) into the left medial forebrain bundle, rats were made to exhibit PD-like symptoms and treated by intranasal administration of a low-dose (2 × 10) or high-dose (1 × 10) human neural stem cells (hNSCs). Apomorphine-induced rotation test, stepping test, and open field test were implemented to evaluate the motor behavior and high-performance liquid chromatography was carried out to detect dopamine (DA), 3,4-dihydroxyphenylacetic acid (DOPAC), serotonin, and 5-hydroxyindole-3-acetic acid in the striatum of rats.

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Objective: Retropharyngeal lymphadenectomy is challenging. This study investigated a minimally invasive approach to salvage retropharyngeal lymphadenectomy in patients with nasopharyngeal carcinoma.

Methods: An anatomical study of four fresh cadaveric heads was conducted to demonstrate the relevant details of retropharyngeal lymphadenectomy using the endoscopic transoral medial pterygomandibular fold approach.

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Aim of this study was to explore molecular characteristics and resistance mechanisms of carbapenem-resistant Raoultella ornithinolytica (CR-ROR) isolated from patients in a hospital in China. Three CR-ROR strains were collected and bacterial identification was done by Matrix-Assisted Laser Desorption/Ionization Time of Flight Mass Spectrometry (MALDI-TOF-MS) Vitek-MS and by digital DDH analysis. VITEK 2 compact system and Kirby-Bauer (K-B) disk diffusion were used for antimicrobial susceptibility testing.

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Background: The chronic rhinosinusitis patient-reported outcome (CRS-PRO) is a recently published disease-specific questionnaire designed for CRS patients, with fewer entries and ease of completion. This study aimed to translate the CRS-PRO questionnaire into Chinese and assess its reliability, validity, and responsiveness to provide Chinese patients with a more concise and efficient subjective assessment instrument.

Methods: The Chinese version of the CRS-PRO was created through forward-backward translations and cultural adaptation.

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Colorectal cancer (CRC) is a highly prevalent gastrointestinal cancer worldwide. Recent research has shown that the gut microbiota plays a significant role in the development of CRC. There is mounting evidence supporting the crucial contributions of bacteria-derived toxins and metabolites to cancer-related inflammation, immune imbalances, and the response to therapy.

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Background: Chronic rhinosinusitis with nasal polyps (CRSwNP) is a common chronic inflammatory disease of the nasal cavity and paranasal sinuses. The role of neutrophils in the pathogenesis of CRSwNP has attracted more attention in recent years, due to its association with more severe disease and reduced steroid responsiveness. Lipocalin-2 (LCN2) has been found to modulate neutrophils infiltration in other neutrophilic inflammation including inflammatory bowel disease, rheumatoid arthritis, and psoriasis.

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Purpose: To determine the effects of blood supply from internal carotid artery (ICA) on the surgical outcomes of primary juvenile nasopharyngeal angiofibroma (JNA) after transarterial embolization (TAE).

Methods: A retrospective analysis was performed on primary JNA patients who underwent TAE and endoscopic resection in our hospital between December 2020 and June 2022. The angiography images of these patients were reviewed, and then they were divided into ICA + external carotid artery (ECA) feeding group and ECA feeding group according to whether the ICA branches were part of the feeding arteries.

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Background: To compare the safety and efficacy between endoscopic sinus surgery and different biologics in treating chronic rhinosinusitis with nasal polyps in adults by reviewing the existing clinical trials.

Methods: Data extraction and risk of bias assessment were conducted by 2 independent reviewers according to the PRISMA recommendations and any disagreement was resolved by a third investigator. Outcomes were measured through a random-effects model.

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Objective: To investigate the effects of endoscopic endonasal surgery (EES) on longitudinal quality of life (QoL) in patients with malignant tumors of the anterior skull base.

Methods: Eligible patients prospectively completed the Anterior Skull Base Surgery Questionnaire (ASBQ) and the 22-item Sino-Nasal Outcome Test (SNOT-22) questionnaires in referring to 3 different periods throughout their treatment and recovery.

Results: Forty patients were included.

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Background: As a cancer stem cells (CSCs) surface marker, Lgr5 plays an important role in the signal transduction of cancer cells and is a potential biomarker for cancer diagnosis and prognosis. However, the expression and prognostic value of Lgr5 in recurrent nasopharyngeal carcinoma (rNPC) remains ambiguous.

Materials: We used RNA sequencing to screen differentially expressed mRNAs in eleven specimens of rNPC tissues and five fresh adjacent normal tissue samples and the CSC marker, Lgr5, was identified.

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Article Synopsis
  • This study analyzed the outcomes of 26 patients with sinonasal adenoid cystic carcinoma that invaded the hard palate, treated with a surgical procedure called transnasal endoscopic total maxillectomy from 2014 to 2020.
  • The results showed that after a median follow-up of 38 months, 25 patients experienced recurrence, and four patients died due to distant metastasis, with a 5-year overall survival rate of 79.5% and relapse-free rate of 89.1%.
  • Key factors affecting patient outcomes included positive surgical margins, local recurrence, and distant metastasis, all of which were identified as independent predictors of prognosis.
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