Jun Chen

ORCID: 0000-0003-3974-3605
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About
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Research Areas
  • Sarcoma Diagnosis and Treatment
  • Urologic and reproductive health conditions
  • Kidney Stones and Urolithiasis Treatments
  • Vascular Tumors and Angiosarcomas
  • Infant Nutrition and Health
  • Cardiac tumors and thrombi
  • Cancer-related molecular mechanisms research
  • Pediatric Urology and Nephrology Studies
  • Clinical Nutrition and Gastroenterology
  • Intracerebral and Subarachnoid Hemorrhage Research
  • Neuroblastoma Research and Treatments
  • Gut microbiota and health
  • Tea Polyphenols and Effects
  • Hormonal and reproductive studies
  • Biochemical Analysis and Sensing Techniques
  • Urinary Bladder and Prostate Research
  • Molecular Biology Techniques and Applications
  • Soft tissue tumor case studies
  • Gallbladder and Bile Duct Disorders
  • Nutritional Studies and Diet
  • Selenium in Biological Systems
  • Ear and Head Tumors
  • Genital Health and Disease
  • Liver Diseases and Immunity
  • Ureteral procedures and complications

Peking University
2019-2025

Peking University International Hospital
2019-2025

Guangxi Medical University
2022-2025

Shanghai Ninth People's Hospital
2022-2024

Shanghai Jiao Tong University
2022-2024

Beijing Friendship Hospital
2024

Capital Medical University
2024

Foshan Maternity and Child Health Care Hospital
2024

Tianjin Medical University General Hospital
2021-2023

Shenzhen Maternity and Child Healthcare Hospital
2023

To investigate the effect of epigallocatechin gallate (EGCG) on structural changes gut microbiota in colorectal carcinogenesis.

10.3748/wjg.v23.i46.8128 article EN World Journal of Gastroenterology 2017-12-12

Retroperitoneal liposarcoma (RPLS) is a critical malignant disease with various clinical outcomes. However, the molecular heterogeneity of RPLS was poorly elucidated, and few biomarkers were proposed to monitor its progression.RNA sequencing performed on training cohort 88 patients identify dysregulated genes pathways using clusterprofiler. The GSVA algorithm utilized assess signaling levels in each sample, unsupervised clustering employed distinguish subtypes. Differentially expressed...

10.7554/elife.100887 preprint EN 2025-01-31

Retroperitoneal liposarcoma (RPLS) is a critical malignant disease with various clinical outcomes. However, the molecular heterogeneity of RPLS was poorly elucidated, and few biomarkers were proposed to monitor its progression.RNA sequencing performed on training cohort 88 patients identify dysregulated genes pathways using clusterprofiler. The GSVA algorithm utilized assess signaling levels in each sample, unsupervised clustering employed distinguish subtypes. Differentially expressed...

10.7554/elife.100887.1 preprint EN 2025-01-31

<title>Abstract</title> <bold>Background </bold>Angiomatoid fibrous histiocytoma (AFH) is a rare low-grade neoplasm, typically arising in pediatric/adolescent extremity subcutaneous tissues. Adrenal AFH extremely uncommon, with limited reported cases. Elucidating clinicopathologic/molecular profiles of adrenal critical for accurate diagnosis and management. <bold>Case presentation </bold>Two cases (18-year-old male, 50-year-old female) from Guangxi Medical University Second Hospital were...

10.21203/rs.3.rs-6253095/v1 preprint EN Research Square (Research Square) 2025-04-02

Serotonin (5-HT) plays pivotal roles in the pathogenesis of postinfectious irritable bowel syndrome (PI-IBS), and luminal 5-HT time-dependently modulates visceral nociception. We found that duodenal biopsies from PI-IBS patients exhibited increased decreased anandamide levels was associated with abdominal pain severity, indicating a link between endocannabinoid signaling pathways PI-IBS. To understand this, we investigated role endocannabinoids modulation nociception rat model. Acute...

10.1016/j.pain.2014.05.005 article EN Pain 2014-05-09

Surgery is the primary treatment for skin tumors, but it can result in scarring and distress patients. Developing alternative therapeutic methods necessitates suitable <i>in vitro</i> models, which are currently limited accurately representing vivo</i> cell types microenvironment of tumors. Here, we present a practical approach creating patient-derived tumor organoids that effectively replicate histological characteristics mutational profiles observed clinical tissues. Utilizing single-cell...

10.26599/co.2024.9410001 article EN cc-by-nc-nd Cell organoid (Print) 2024-05-01

Vitamin E was previously reported to reduce calcium oxalate (CaOx) crystal formation. This study explored whether vitamin deficiency affects intrarenal oxidative stress and accelerates deposition in hyperoxaluria. The control (C) group of rats received a standard diet drinking water, while the experimental groups 0.75% ethylene glycol (EG) water for 42 days. Of latter, one (EG group), low-vitamin (LE) (EG+LE last an LE with supplement (4 mg) (EG+LE+E group). C+LE C+LE+E were specific...

10.1152/ajprenal.90309.2008 article EN AJP Renal Physiology 2008-09-18

Abstract Background Dermatofibrosarcoma protuberans (DFSP) has a high recurrence rate after resection. Because of the lack specific manifestations, recurrent DFSP is easily misdiagnosed as post-resection scar. A few series have reported ultrasound findings DFSP; moreover, usefulness contrast-enhanced in differentiating not been studied. Objective We investigated conventional and differential diagnosis Methods retrospectively evaluated 34 cases 38 postoperative scars examined between January...

10.1186/s12885-024-11991-7 article EN cc-by BMC Cancer 2024-03-04

AIM:To observe the protective effect of glucagon-like peptide-2 (GLP-2) on intestinal barrier rats with obstructive jaundice and determine possible mechanisms action involved in effect. METHODS:Thirty-six Sprague-Dawley were randomly divided into a sham operation group, an GLP-2 group; each group consisted 12 rats.The was treated after day surgery, whereas other two groups same concentration normal saline.Alanine aminotransferase (ALT), total bilirubin, endotoxin levels recorded at 1, 3, 7,...

10.3748/wjg.v21.i2.484 article EN cc-by-nc World Journal of Gastroenterology 2015-01-01

As nontraditional model organisms with extreme physiological and morphological phenotypes, snakes are believed to possess an inferior taste system. However, the bitter sensation is essential distinguish nutritious poisonous food resources genomic evidence of in largely scarce. To explore genetic basis characterize evolution receptor genes ( Tas2r s) reptiles, we identified 19 genomes (species) corresponding three orders non-avian reptiles. Our results indicated contractions gene repertoires...

10.7717/peerj.3708 article EN cc-by PeerJ 2017-08-18

ABSTRACT Background Retroperitoneal liposarcoma (RPLS) is a critical malignant disease with various clinical outcomes. However, the molecular heterogeneity of RPLS was poorly elucidated, and few biomarkers were proposed to monitor its progression. Methods RNA sequencing performed on training cohort 88 patients identify dysregulated genes pathways using clusterprofiler. The GSVA algorithm utilized assess signaling levels in each sample, unsupervised clustering employed distinguish subtypes....

10.1101/2024.08.09.24311657 preprint EN cc-by-nd medRxiv (Cold Spring Harbor Laboratory) 2024-08-09

Complete resection (CR) serves as the standard of surgical treatment for retroperitoneal liposarcoma (RPLS). Unfortunately, even at referral centers, recurrence rates are high, and CR may not address multifocal diseases, which a common phenomenon in RPLS. We sought to retrospectively compare clinical outcomes RPLS patients treated with total (ipsilateral) lipectomy (TRL) CR. Because TRL remove potentially tumors fat, have better prognosis than CR.Patients primary/first-recurrent who had been...

10.21037/atm-22-3332 article EN Annals of Translational Medicine 2022-07-01

Objective: The Transatlantic Australasian Retroperitoneal Sarcoma Working Group conducted a retrospective study on the disease course and clinical management of ganglioneuromas. Background: Ganglioneuromas are rare tumors derived from neural crest cells. Data these remain limited to case reports single-institution series. Methods: Patients all ages with pathologically confirmed primary retroperitoneal, intra-abdominal, pelvic ganglioneuromas between January 1, 2000, 2020, were included. We...

10.1097/sla.0000000000005625 article EN Annals of Surgery 2022-07-22

Abstract Background Polyethylene glycol solution (PEG) is widely used for bowel preparation prior to colonoscopies. However, patients often exhibited adverse events as nausea, vomit and distention due its uncomfortable tastes potential side affects. This study aimed evaluate the effectiveness safety of concomitant use green tea (GT) with PEG in colonoscopy. Methods was a prospective, randomized controlled study. It conducted at an outpatient setting colorectal surgery tertiary hospital....

10.1186/s12876-020-01220-3 article EN cc-by BMC Gastroenterology 2020-05-13

To determine whether specific clinical and radiographic factors predispose arteriovenous malformations (AVMs) presenting with seizure to predict the risk for individual AVM patients.Clinical features cerebral angiograms of consecutive 45 unruptured patients who were diagnosed in our center a 2-year period reviewed. Patient data (analysis cohort) was used construct epileptogenic groups. These groups tested second half patient (test cohort).Among AVMs (47.9%), initial seizures occurred 20...

10.5137/1019-5149.jtn.9190-13.1 article EN PubMed 2016-05-11
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