Publications by authors named "Guangyuan Sun"

Article Synopsis
  • The study aims to evaluate the effectiveness of the gene ARHGAP8 as a predictor for how well patients with locally advanced mid-low colorectal cancer respond to neoadjuvant chemotherapy.
  • Researchers conducted a comprehensive analysis using bioinformatics, clinical samples, and various validation methods to measure ARHGAP8 expression in cancer vs. normal tissues from patients.
  • Findings indicate that ARHGAP8 expression levels are significantly higher in cancer tissues, are associated with factors like tumor stage and age, and may help in predicting treatment outcomes in colorectal cancer patients receiving chemotherapy.
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Rationale And Objectives: To compare the performance of SS, FOCUS SS, MUSE, and FOCUS MUSE DWI for pulmonary lesions to obtain a better technique for pulmonary DWI imaging.

Materials And Methods: 44 patients with pulmonary lesions were recruited to perform pulmonary DWI using SS, FOCUS SS, MUSE, and FOCUS MUSE sequences. Then, two radiologists with 12 and 10 years of chest MRI experiences assessed the overall image quality while another two radiologists both with 3 years of experiences evaluated the SNR, DR, and ADC of pulmonary lesions.

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In recent years, sparse voxel-based methods have become the state-of-the-arts for 3D semantic segmentation of indoor scenes, thanks to the powerful 3D CNNs. Nevertheless, being oblivious to the underlying geometry, voxel-based methods suffer from ambiguous features on spatially close objects and struggle with handling complex and irregular geometries due to the lack of geodesic information. In view of this, we present Voxel-Mesh Network (VMNet), a novel 3D deep architecture that operates on the voxel and mesh representations leveraging both the Euclidean and geodesic information.

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Background: This study sought to review colorectal cancer liver metastasis (CRLM) patients at multiple centers to analyze the factors affecting the success of conversion therapy in patients whose CRLM was initially evaluated as potentially resectable, to explore the effect of different treatment approaches on patient survival, and to provide a scientific reference for clinical treatment of CRLM.

Methods: Fifty patients whose CRLM was initially evaluated as potentially resectable at 3 large Chinese general hospitals were enrolled in this retrospective study. Statistical analyses were carried out on the general data and pathological characteristic data to examine the clinical efficacy of the treatment approaches.

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Naringenin (NAR) is recognized for its anti-inflammatory activity. However, the clinical application of NAR is limited by low bioavailability, which is attributed to its poor aqueous solubility. In this study, we aimed to improve the therapeutic efficacy of NAR by formulating it into nanocrystals (NCs) via wet milling.

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Objective To investigate the expression and correlation of Runt-related transcription factor 3(RUNX3)and enhancer of zeste homolog 2(EZH2)in rectal cancer,and to reveal the relationship between the expression of RUNX3 and EZH2 and the sensitivity of XELOX regimen to neoadjuvant chemotherapy in locally advanced rectal cancer patients. Methods The carcinoma and paracancerous tissues of 31 patients with rectal adenocarcinoma and no preoperative antitumor therapy were selected as cancer group and paracancer group,respectively.The relative mRNA levels of RUNX3 and EZH2 in the two groups were measured by real-time quantitative reverse transcription-polymerase chain reaction,and the protein levels were determined by immunohistochemical assay.

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Background: It remains no clear conclusion about which is better between robot-assisted thoracic surgery (RATS) and video-assisted thoracic surgery (VATS) for the treatment of patients with non-small cell lung cancer (NSCLC). Therefore, this meta-analysis aimed to compare the short-term and long-term efficacy between RATS and VATS for NSCLC.

Methods: Pubmed, Cochrane Library, Embase, China National Knowledge Infrastructure (CNKI), Medline, and Web of Science databases were comprehensively searched for studies published before December 2020.

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MicroRNAs (miR) are single-stranded RNA of 21-23 nucleotides in length that repress mRNA translation and induces mRNA degradation. miR acts as an endogenous factor of gene expression and plays a crucial part in cancer biology such as cell development, proliferation, differentiation, and apoptosis. Numerous research has indicated that dysregulation of miR associates with colorectal carcinogenesis.

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Background: The main purpose of this study was to compare the postoperative complications caused by surgical reconstruction via either retrosternal (RS) or prevertebral (PV) routes in thoracoscopic and laparoscopic esophagectomy patients.

Materials And Methods: We retrospectively screened the perioperative data in total 59 patients who underwent minimally invasive esophagectomy in time period from January 2016 to January 2018. All the patients were subgrouped into two cohorts according to the surgical routes being taken: the RS route group (28 patients) and the PV route group (31 patients).

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Objective: To investigate the effect of Runt-associated transcription factor 3 (RUNX3) on the invasion and metastasis of human colon cancer HT-29 cells and to preliminarily explore the mechanism of its anticancer effect.

Methods: The RUNX3 plasmid vector was transfected into human colon cancer HT-29 cells by liposome-mediated transfection, while the empty vector and the blank group were used as the control group. After Geneticin (G418) screening, HT-29 cells with stable expression of RUNX3 gene were obtained.

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Background: LncRNA cancer susceptibility candidate 9 (CASC9) is up-regulated in various cancers. In this study, we explored the role of CASC9 in colon cancer (CC).

Methods: The level of CASC9 in CC tissues, adjacent normal tissues, intestinal epithelial cells (HIEC) and CC cell lines was evaluated by qRT-PCR.

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Objectives: To compare the predictive performance of radiomics signature and CT morphological features for epidermal growth factor receptor (EGFR) mutation status; then further to develop and compare the different predictive models for EGFR mutation in non-small cell lung cancer (NSCLC) patients.

Materials And Methods: This retrospective study involved 404 patients with NSCLC (243 cases in the training cohort and 161 cases in the validation cohort). Radiomics features were extracted from preoperative non-contrast CT images of the entire tumor.

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This study aims to explore the effect of an inhibitor of DNA binding-1 (Id-1) on the proliferation and migration of human colon carcinoma cell line SW480 and HT-29. SW480 and HT-29 cells transfected with Id-1-interference sequence were assigned to the experimental groups (inhibition groups 1 and 2), and SW480 and HT-29 cells with blank interference sequence (blank groups) and blank load transfection (blank load groups) were assigned as the control groups. The expression of Id-1 in six groups was detected by reverse transcription-polymerase chain reaction (RT-PCR) and Western blot.

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Rationale: Neuroblastoma is the most common extracranial malignant solid tumor that occurs during childhood. It arises from primitive cells and is found in the adrenal medulla and sympathetic ganglia of the sympathetic nervous system. Huge neuroblastoma in the retroperitoneum, especially adult involvement is extremely rare.

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Purpose: This study aimed to use propensity score matching (PSM) to compare the short- and long-term outcomes of laparoscopic surgery for the treatment of rectal cancer in elderly and middle-aged patients.

Methods: Data were retrospectively obtained from 588 patients aged ≥60 years when they underwent laparoscopic surgery for rectal cancer in our hospital between January 2009 and December 2016. The patients were divided into an elderly group (≥70 years) or a middle-aged group (60-69 years), and were subsequently matched 1:1 using PSM for sex, body mass index, Charlson comorbidity index (CCI), tumor location, clinical stage, and American Society of Anesthesiologists (ASA) score.

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Arsenic trioxide (AsO) exhibits a remarkable effect on leukemia treatment; however, its effect on solid tumors remains poorly explored. The present study demonstrated the inhibitory effect of AsO on lung cancer and explored its possible mechanism. It was observed that AsO significantly inhibited the growth of lung cancer xenografts and tumor angiogenesis .

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Objective: To study the expression of RUNX3 in colorectal adenocarcinoma tissues and its correlation with microvessel density (MVD), and investigate the clinical pathological prognostic significance of RUNX3 and MVD in patients with colorectal cancer.

Methods: The expression value of RUNX3 and MVD in 70 specimens' colorectal adenocarcinoma tissues were detected by immunohistochemistry staining technique. The correlation between their expression and the clinicopathologic features was also investigated.

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Objective To explore the expressions of inhibitors of DNA binding-1 (Id-1) and matrix metalloproteinase-9 (MMP-9) in colorectal carcinoma tissues and its correlation with microvessel density (MVD). Methods The expressions of Id-1 and MMP-9 as well as CD34-labelled MVD in colorectal adenocarcinoma tissues (n=50) and normal adjacent tissues (n=50) were examined by immunohistochemistry. Results The positive expressions of Id-1 and MMP-9 were seen in 72.

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The lymph node ratio (LNR) is defined as the number of pathologically positive LNs divided by the number of LNs examined. Some studies reported that high LNR was significantly associated with poor survival of non-small cell lung cancer (NSCLC). However, other studies could not confirm this result.

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Background: Non-small cell lung cancer (NSCLC) accounts for approximately 80% of lung carcinoma cases, which becomes more and more important in the field of lung carcinoma as well as primary lung carcinoma in females.

Material And Methods: We analyzed the medical history of 62 female NSCLC patients. Immunohistochemistry was used to observe and compare the expression of EGFR.

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Objectives: Thoracic sympathectomy is considered the most effective method to treat palmar hyperhidrosis. We presented a novel procedure for thoracic sympathectomy treating palmar hyperhidrosis which could be performed under monitored anesthesia care. The aim of this study was to evaluate the continuing efficacy and safety of this innovative surgery.

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Arsenic trioxide (As2O3) has been used in the clinic for the treatment of acute promyelocytic 1eukemia and some solid tumors. However, its effectiveness against lung cancer has not been well demonstrated, and the underlying mechanism(s) of action remain unclear. In the present study, we found that As2O3 significantly inhibited the growth of non-small cell lung cancer (NSCLC) and small cell lung cancer (SCLC) xenograft tumors.

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Several studies have examined the associations of polymorphisms in interleukin-6 (IL6) with lung cancer (LC) risk. However, the results were conflicting. Thus, a meta-analysis was conducted to determine the relationship between IL6 polymorphisms and LC risk.

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Purpose: To investigate the expression pattern of UbcH10 in non-small cell lung cancer (NSCLC) and its correlations with clinicopathological features and prognostic value in NSCLC patients.

Methods: The UbcH10 expression in NSCLC tissues, SK-MES-1, and A549 lung cancer cell lines was evaluated, and its correlation with clinicopathological features and prognostic value in NSCLC patients was examined by Kaplan-Meier analysis and Cox regression analysis. The biological effects of UbcH10 on the cell proliferation, cell cycle, and chemosensitivity to gemcitabine or paclitaxel in SK-MES-1 cells were examined upon the UbcH10 silencing.

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Synopsis of recent research by authors named "Guangyuan Sun"

  • - Guangyuan Sun's recent research has focused on the efficacy of predictive biomarkers in colorectal cancer treatments, specifically investigating the role of ARHGAP8 in neoadjuvant chemotherapy for locally advanced mid-low rectal cancer, providing insights for improved therapeutic strategies.
  • - Another significant area of study includes advancements in imaging techniques for pulmonary lesions, where Sun compared multiple diffusion-weighted imaging methods to determine the most effective approach for pulmonary diagnostics, thereby enhancing the quality of radiological assessments.
  • - Additionally, Sun explores the application of machine learning in 3D semantic segmentation through the Voxel-Mesh Network, addressing challenges in recognizing complex geometries in indoor scenes, which may have broader implications in fields such as robotics and computer vision.