Publications by authors named "Xuesong Du"

Objective: Five cases of giant cell tumor of bone (GCTB) in the head and neck region were reported, with a main focus on the radiological findings to identify common characteristics for the diagnosis of GCTB in these sites.

Materials And Methods: Five consecutive patients diagnosed with GCTB were retrospectively selected. Radiological features on conventional and advanced MR sequences and CT were analyzed.

View Article and Find Full Text PDF
Article Synopsis
  • Cipangopaludina chinensis, a significant gastropod species in China, struggles with starvation due to limited food sources, but its response mechanisms have yet to be thoroughly explored.
  • Researchers conducted nutrient, biochemical, and transcriptome analyses after subjecting the snails to varying durations of starvation (0, 7, 30, and 60 days), revealing that prolonged starvation (> 30 days) significantly impacted their body weight, survival, digestive enzyme activity, and increased antioxidant enzyme activities.
  • The study identified 3538 differentially expressed genes linked to starvation response pathways and pinpointed 40 candidate genes, providing valuable insights into how these snails survive harsh conditions and adapt to starvation.
View Article and Find Full Text PDF
Article Synopsis
  • Bellamya purificata is a valuable medicinal and economically significant species in China, but its genetic characteristics are not well understood, limiting the use of its high-quality germplasm.
  • A study analyzed the genetic diversity and structure of 12 B. purificata populations in Guangxi using microsatellite DNA markers, finding high genetic diversity within populations and weak differentiation between them.
  • The research indicates that genetic mixing occurs among populations, with ongoing gene flow, and suggests that proximity allows for population exchange, providing essential genetic information for future aquaculture and germplasm development.
View Article and Find Full Text PDF

The transverse leakage of leaky surface acoustic waves (LSAWs) occurs on 42°YX-lithium tantalate substrates (42LT), which increases the insertion loss, narrows the bandwidth and flattens the roll-off of band 40/41 SAW filters and duplexers. In this work, LSAW characteristics with different metal materials and thicknesses are calculated by the finite element method (FEM), which determines the IDT material and thickness used for band 40/41 SAW filter design. To deeply understand transverse leakage and suppress it, the effects of different gap and dummy lengths on transverse leakage are simulated and discussed.

View Article and Find Full Text PDF

SAW devices with a multi-layered piezoelectric substrate have excellent performance due to advantages such as a high quality factor, , low loss insertion, large bandwidth, etc. Prior to manufacturing, a comprehensive analysis and proper design are essential to evaluating the device's key performance indicators, including the Bode value, bandwidth, and transverse mode suppression. This study explored the performance of SAW resonators employing a 42°Y-X LiTaO (LT) thin-plate-based multi-layered piezoelectric substrate.

View Article and Find Full Text PDF
Article Synopsis
  • Relational integration is crucial for effective learning, as it helps us understand and organize complex information by recognizing connections between different ideas.
  • Recent research indicates that creating distant analogies can temporarily enhance learners' ability to integrate information relationally, which was explored through various experiments.
  • The study found that distant analogies not only improved performance in cognitive tasks but also in real learning scenarios, with factors like a relational mindset and cognitive load playing important roles in this process.
View Article and Find Full Text PDF

is an economically important aquatic snail with high medicinal value. However, molecular biology research on is limited by the lack of a reference genome, so the analysis of its transcripts is an important step to study the regulatory genes of various substances in . Herein, we conducted the first full-length transcriptome analysis of using PacBio single-molecule real-time (SMRT) sequencing technology.

View Article and Find Full Text PDF
Article Synopsis
  • * A total of 47 phyla and 644 genera were identified, with Proteobacteria and Verrucomicrobia being the most dominant, while specific genera showed higher abundance in juvenile snails compared to adults.
  • * The research suggests that while the gut and sediment microbiomes differ in composition, they share some similarities in biological functions, highlighting the stable nature of snail gut microbiomes and their interaction with environmental microorganisms.
View Article and Find Full Text PDF

Growth mechanism of economically important aquaculture species has aroused widespread interest among scholars. Rice flower carp (Cyprinus carpio), commonly cultured in rice-fish farming systems, shows wide variation in body mass at the same age, which limits the development of commercial aquaculture. In this study, muscle tissues from 20-month-old fish of different sizes were used for transcriptome analysis and muscle histological studies.

View Article and Find Full Text PDF
Article Synopsis
  • GnRH is crucial for vertebrate reproduction, and immunization against GnRHa can lead to sexual sterility in tilapia.
  • Researchers used RNA-seq and DIA techniques to analyze the transcriptome and proteome of gonads in GnRHa-immunized tilapia, revealing 644 differentially expressed genes and 1150 proteins, indicating GnRHa's inhibitory effect on gonad gene expression.
  • The study identified specific downregulated genes linked to vital biological processes and pathways, including those involved in gonadal development, demonstrating how GnRHa immunization impacts tilapia at the molecular level.
View Article and Find Full Text PDF

To investigate the physiological responses of Oreochromis aureus to salinity fluctuations at the molecular level. We used RNA-seq to explore the differentially expressed genes (DEGs) in the liver and spleen of O. aureus at 0, 3, 7 and 11 ppt (parts per thousand) salinity levels.

View Article and Find Full Text PDF
Article Synopsis
  • * Tumor samples from 30 HGG patients were analyzed using perfusion MRI and transcriptome sequencing to identify the relationship between specific genes (BMPER, CXCL10, HOXA9) and tumor vasculature.
  • * The results indicated that these genes promote early tumor growth and vascularization, with increased imaging biomarkers (rCBV, rCBF, K, V) correlating with gene expression levels in tumors.
View Article and Find Full Text PDF
Article Synopsis
  • The study evaluates the hemodynamic tissue signature (HTS) method for predicting IDH genotype in patients with high-grade gliomas through preoperative MRI.
  • It analyzes perfusion parameters to identify four tumor habitats and compare them based on IDH mutation status, showing significant differences in relative cerebral blood volume (rCBV).
  • Results indicate that the HTS method is effective in predicting IDH mutation status, highlighting its potential for molecular stratification in high-grade glioma patients.
View Article and Find Full Text PDF
Article Synopsis
  • Desmoplastic small round cell tumor (DSRCT) is a rare soft tissue sarcoma that usually occurs in the abdomen, with primary cases in bone being very uncommon.
  • A new case involving a 33-year-old man with primary DSRCT in the tibia showed significant bone damage and swelling, as revealed by MRI and CT scans.
  • After surgical removal and a chemotherapy regimen, the patient remained free of recurrence or metastasis for 30 months, highlighting the need to include primary DSRCT in the diagnosis of bone tumors.
View Article and Find Full Text PDF

Objectives: Vessel size imaging (VSI) could reveal average microvessel diameter. The aim was to investigate microvascular characteristics and the efficacy of VSI in lower-grade glioma (LGG) grading and subtype differentiation based on 2016 classification of central nervous system tumours.

Methods: Fifty-seven LGG (grade II/III, 36/21) patients who received VSI examination before surgery were retrospectively analysed.

View Article and Find Full Text PDF
Article Synopsis
  • Glioblastoma (GBM) is a highly aggressive brain tumor with complex blood vessel formations that exacerbate tumor growth and spread.
  • Recent studies indicate that standard treatments, such as the combination of temozolomide (TMZ) and bevacizumab (BEV), yield limited success in improving patient outcomes, prompting further investigation into the reasons for treatment failures.
  • Analysis showed that while TMZ initially limits blood vessel formation, BEV treatment leads to an increase in vascular mimicry after 6 days, suggesting that the tumor adapts and resists treatment, with potential imaging biomarker "K" being useful for tracking these changes.
View Article and Find Full Text PDF

Most of the anticancer agents cannot be efficiently delivered into the brain tumor because of the existence of blood-brain tumor barrier (BTB). The objective of this study was to explore the effect of microbubble-enhanced diagnostic ultrasound (MEUS) on the BTB permeability and the possible mechanism. Glioma-bearing rats were randomized into three groups as follows: the microbubble-enhanced continued diagnostic ultrasound (MECUS) group; the microbubble-enhanced intermittent diagnostic ultrasound (MEIUS) group and the control group.

View Article and Find Full Text PDF

Background Dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI) has been proved useful in evaluating glioma angiogenesis, but the utility in evaluating neovascularization patterns has not been reported. Purpose To evaluate in vivo real-time glioma neovascularization patterns by measuring glioma perfusion quantitatively using DCE-MRI. Material and Methods Thirty Sprague-Dawley rats were used to establish C6 orthotopic glioma model and underwent MRI and pathology detections.

View Article and Find Full Text PDF

The highly infiltrative and invasive nature of glioma cells often leads to blurred tumor margins, resulting in incomplete tumor resection and tumor recurrence. Accurate detection and precise delineation of glioma help in preoperative delineation, surgical planning and survival prediction. In this study, recombinant epidermal growth factor-like domain-1, derived from human coagulation factor VII, was conjugated to iron oxide nanoparticles (IONPs) for targeted glioma magnetic resonance (MR) imaging.

View Article and Find Full Text PDF

Gliomas are the most common primary brain tumors and have a very dismal prognosis. However, recent advancements in nanomedicine and nanotechnology provide opportunities for personalized treatment regimens to improve the poor prognosis of patients suffering from glioma. This comprehensive review starts with an outline of the current status facing glioma.

View Article and Find Full Text PDF

A PHP Error was encountered

Severity: Warning

Message: fopen(/var/lib/php/sessions/ci_sessionflmmo037kuucmq7gmnujj3j1b794mdjg): Failed to open stream: No space left on device

Filename: drivers/Session_files_driver.php

Line Number: 177

Backtrace:

File: /var/www/html/index.php
Line: 316
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: session_start(): Failed to read session data: user (path: /var/lib/php/sessions)

Filename: Session/Session.php

Line Number: 137

Backtrace:

File: /var/www/html/index.php
Line: 316
Function: require_once