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Understanding kinase action requires precise quantitative measurements of their activity . In addition, the ability to capture spatial information of kinase activity is crucial to deconvolute complex signaling networks, interrogate multifaceted kinase actions, and assess drug effects or genetic perturbations. Here we developed a proteomic kinase activity sensor platform (ProKAS) for the analysis of kinase signaling using mass spectrometry.
View Article and Find Full Text PDFElectrolyte-Gated Ionic Transistor for Highly Sensitive and Selective Iontronic Sensing.
ACS Sens
January 2025
College of Chemistry, Beijing Normal University, Beijing 100875, China.
Iontronic sensors based on confined space have garnered significant attention due to their promising applications, ranging from single-cell analysis to studies. However, their limited sensitivity has constrained their effectiveness in studying molecular information during physiological and pathological processes. Here, we demonstrate an electrolyte-gated ionic transistor (EGIT) by integrating the confined ion transport behavior in a double-barreled micropipet with an electrolyte-gated transistor configuration, achieving highly sensitive and selective sensing.
View Article and Find Full Text PDFMachine perfusion organ preservation: Highlights from the American transplant congress 2024.
Artif Organs
January 2025
Department of Surgery, Division of Transplantation, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma, USA.
The American Transplant Congress (ATC) 2024, held in Philadelphia, serves as a vital platform for unveiling new research and clinical experience in organ machine perfusion-a key area in organ transplantation. This year's congress gathered 4652 participants from 49 countries, including top experts, to spotlight innovations in machine perfusion across various organ types, such as the liver, kidney, heart, and lung. A total of 87 abstracts on organ machine perfusion were presented.
View Article and Find Full Text PDFA multiplex method for rapidly identifying viral protease inhibitors.
Mol Syst Biol
January 2025
Department of Pathology and Cell Biology, Columbia University Vagelos College of Physicians and Surgeons, New York, NY, 10032, USA.
With current treatments addressing only a fraction of pathogens and new viral threats constantly evolving, there is a critical need to expand our existing therapeutic arsenal. To speed the rate of discovery and better prepare against future threats, we establish a high-throughput platform capable of screening compounds against 40 diverse viral proteases simultaneously. This multiplex approach is enabled by using cellular biosensors of viral protease activity combined with DNA-barcoding technology, as well as several design innovations that increase assay sensitivity and correct for plate-to-plate variation.
View Article and Find Full Text PDFMacrophage-induced enteric neurodegeneration leads to motility impairment during gut inflammation.
EMBO Mol Med
January 2025
Department of Surgery, University Hospital Bonn, Bonn, Germany.
Current studies pictured the enteric nervous system and macrophages as modulators of neuroimmune processes in the inflamed gut. Expanding this view, we investigated the impact of enteric neuron-macrophage interactions on postoperative trauma and subsequent motility disturbances, i.e.
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