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Clinical utility of the lymphocyte proliferation assay, an in vitro functional readout of the adaptive immune response.
J Immunol Methods
January 2025
ARUP Laboratories, University of Utah School of Medicine, Salt Lake City, UT, USA; Department of Pathology, University of Utah School of Medicine, Salt Lake City, UT, USA. Electronic address:
Despite great advancements in the discovery of genetic variants underlying inborn errors of immunity, functional assessment of the immunological profile of patients in routine clinical practice remains challenging. The lymphocyte proliferation assay using H-thymidine incorporation has been the gold standard for decades for functional evaluation of T cells in the clinical laboratory, however, recently developed flow cytometric methods allowing for single cell analysis provide non-radioactive alternatives. Understanding the technical and analytical challenges of test development, validation and maintenance is essential for correct interpretation and test utilization, to assure appropriate and timely patient care.
View Article and Find Full Text PDFPET Quantification in Healthy Humans of Cyclooxygenase-2, a Potential Biomarker of Neuroinflammation.
J Nucl Med
January 2025
Intramural Research Program, National Institute of Mental Health, Bethesda, Maryland;
Cyclooxygenase-2 (COX-2) is present in a healthy brain at low densities but can be markedly upregulated by excitatory input and by inflammogens. This study evaluated the sensitivity of the PET radioligand [C]-6-methoxy-2-(4-(methylsulfonyl)phenyl)--(thiophen-2-ylmethyl)pyrimidin-4-amine ([C]MC1) to detect COX-2 density in a healthy human brain. The specificity of [C]MC1 was confirmed using lipopolysaccharide-injected rats and transgenic mice expressing the human gene, with 120-min baseline and blocked scans using COX-1 and COX-2 selective agents.
View Article and Find Full Text PDFEfficient capture of TcO/ReO via node and linker bifunctional anion exchange covalent organic frameworks.
J Hazard Mater
January 2025
State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, China. Electronic address:
In nuclear wastewater treatment, ion-scavenging materials designed to trap TcO is urgently needed. However, strong acid/base, high radiation and high salt concentration of nuclear wastewater usually result in inadequate stability and adsorption capacity of the adsorbent. Herein, we report a new class of bifunctional anion-exchange olefin-linked COF (BPDC-MTMP) prepared via Knoevenagel condensation reactions, the first example exploring the synergistic integration of positively charged fragments at both nodes and linkers.
View Article and Find Full Text PDFFrom Radioactive Effluent to Drinking Water: Efficient Removal of Trace TcO /ReO by Cationic Porous Aromatic Framework.
Adv Sci (Weinh)
January 2025
Department of Chemistry, University of North Texas1508 W Mulberry St, Denton, TX, 76201, USA.
Efficient removal of TcO from radioactive effluents while recovering drinking water remains a challenge. Herein, an excellent ReO (a nonradioactive surrogate of TcO ) scavenger is presented through covalently bonding imidazolium poly(ionic liquids) polymers with an ionic porous aromatic framework (iPAF), namely iPAF-P67, following an adsorption-site density-addition strategy. It shows rapid sorption kinetics, high uptake capacity, and exceptional selectivity toward ReO .
View Article and Find Full Text PDFApplication of indocyanine green-human serum albumin complex in fluorescence image-guided laparoscopic anatomical liver resection: study protocol for a randomized controlled trial.
Trials
December 2024
Liver Transplantation Center, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center of Biotherapy, Chengdu, 610041, China.
Background: Indocyanine green (ICG) is a near-infrared fluorescent dye widely used for intraoperative navigation during liver surgeries because of its non-radioactive nature, high safety, and minimal impact on liver function. However, variability in its dosage and concentration and its low imaging success rates have limited its widespread application. To address these issues, we developed a novel ICG-human serum albumin (ICG-HSA) complex to enhance fluorescence visualization during laparoscopic anatomical liver resection.
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