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Peptide-based PET/CT imaging visualizes PD-L1-driven radioresistance in glioblastoma.
Drug Resist Updat
January 2025
Department of Radiation Oncology, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, Shandong 250117, China. Electronic address:
Radioresistance remains a great challenge for radiotherapy in the treatment of glioblastoma (GBM). PD-L1 expression is a key contributor to radioresistance and immune escape in GBM. The lack of effective methods to monitor the change of PD-L1 during radiotherapy in patients limits timely intervention and management of the resistance.
View Article and Find Full Text PDFEstimation of the phase velocity dispersion curves for viscoelastic materials using Point Limited Shear Wave Elastography.
Ultrasonics
January 2025
Department of Robotics and Mechatronics, AGH University of Krakow, 30-059 Krakow, Poland. Electronic address:
Ultrasound shear wave elastography (SWE) is widely used in clinical applications for non-invasive measurements of soft tissue viscoelasticity. The study of tissue viscoelasticity often involves the analysis of shear wave phase velocity dispersion curves, which show how the phase velocity varies with frequency or wavelength. In this study, we propose an alternative method to the two-dimensional Fourier transform (2D-FT) and Phase Gradient (PG) methods for shear wave phase velocity estimation.
View Article and Find Full Text PDFEfficient Detection of West Nile Virus in Urine Specimens by a Novel In-House RT-qPCR Detection Kit.
Can J Infect Dis Med Microbiol
January 2025
DESAM Research Institute, Near East University, Nicosia, Cyprus.
West Nile Virus (WNV) infection represents a major global public health challenge. Even though most of the patients are asymptomatic, some cases progress to critical condition which may be fatal. Diagnosis traditionally relies on serological methods, but their limitations, including cross-reactivity, highlight the need for alternative approaches.
View Article and Find Full Text PDFA Novel Approach to the Isolation of Disease Markers: Quantitative Analysis of Amino Acids in Exhaled Breath Condensates from Sleep Apnea Patients with Enhanced Sampling and LC-ESI-MS.
J Sep Sci
January 2025
Department of Pharmaceutical Chemistry, Medical University of Gdańsk, Gdańsk, Poland.
Interest in obstructive sleep apnea is rising due to its neurocognitive and cardiovascular impacts, including systemic hypertension, myocardial infarction, and cerebrovascular events. Obstructive sleep apnea diagnosis can be suggested through symptoms like snoring, daytime sleepiness, and physical signs like increased neck circumference; however, overnight polysomnography is recommended to confirm. Exhaled breath condensate has emerged as a novel, noninvasive technique for biomarker sample collection.
View Article and Find Full Text PDFPD-L1 positive platelets mediate resistance to immune checkpoint inhibitors in patients with colorectal cancer.
Cell Commun Signal
January 2025
Digestive Disease Center, The First Affiliated Hospital of Jiamusi University, Jiamusi, Heilongjiang Province, 154000, China.
Background: Programmed cell death ligand 1 (PD-L1) expression on immune cells is correlated with the efficacy of immune checkpoint inhibitor (ICI) therapy in various types of cancer. Platelets are important components of the tumour microenvironment (TME) and are widely involved in the development of many types of cancer including colorectal cancer (CRC). However, the role of PD-L1 positive platelets in ICI therapy for CRC remains unknown.
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