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GZMK-expressing CD8 T cells promote recurrent airway inflammatory diseases.
Nature
January 2025
Laboratory of Dynamic Immunobiology, Institute for Immunology, Tsinghua University, Beijing, China.
Inflammatory diseases are often chronic and recurrent, and current treatments do not typically remove underlying disease drivers. T cells participate in a wide range of inflammatory diseases such as psoriasis, Crohn's disease, oesophagitis and multiple sclerosis, and clonally expanded antigen-specific T cells may contribute to disease chronicity and recurrence, in part by forming persistent pathogenic memory. Chronic rhinosinusitis and asthma are inflammatory airway diseases that often present as comorbidities.
View Article and Find Full Text PDFN-terminomics profiling of host proteins targeted by excretory-secretory proteases of the nematode Angiostrongylus vasorum identifies points of interaction with canine coagulation and complement cascade.
PLoS One
January 2025
Institute of Parasitology, Vetsuisse Faculty, University of Zurich, Zurich, Switzerland.
The cardiopulmonary nematode Angiostrongylus vasorum can cause severe disease in dogs, including coagulopathies manifesting with bleeding. We analysed A. vasorum excretory/secretory protein (ESP)-treated dog plasma and serum by N-terminome analysis using Terminal Amine Isotopic Labelling of Substrates (TAILS) to identify cleaved host substrates.
View Article and Find Full Text PDFTargeting hyaluronan synthesis enhances the therapeutic effectiveness of biologics in inflammatory bowel disease.
JCI Insight
January 2025
Department of Gastroenterology and.
Although biologics have been revolutionizing the treatment of inflammatory bowel diseases (IBD) over the past decade, a significant number of patients still fail to benefit from these drugs. Overcoming the nonresponse to biologics is one of the top challenges in IBD treatment. In this study, we revealed that hyaluronan (HA), an extracellular matrix (ECM) component in the gut, is associated with nonresponsiveness to infliximab and vedolizumab therapy in patients with IBD.
View Article and Find Full Text PDFA fluidic device for continuous on-line inductive sensing of proteolytic cleavages.
Lab Chip
January 2025
Institute of Translational Medicine, Department of Health Sciences and Technology, ETH Zürich, 8092 Zürich, Switzerland.
Proteases, an important class of enzymes that cleave proteins and peptides, carry a wealth of potentially useful information. Devices to enable routine and cost effective measurement of their activity could find frequent use in clinical settings for medical diagnostics, as well as some industrial contexts such as detecting on-line biological contamination. In particular, devices that make use of readouts involving magnetic particles may offer distinct advantages for continuous sensing because material they release can be magnetically captured downstream and their readout is insensitive to optical properties of the sample.
View Article and Find Full Text PDFIdentification of an exosite at the neutrophil elastase/alpha-1-antitrypsin interface.
FEBS J
January 2025
Physics, Department of Molecular and Translational Medicine, University of Brescia, Italy.
Neutrophil elastase (NE) is released by activated neutrophils during an inflammatory response and exerts proteolytic activity on elastin and other extracellular matrix components. This protease is rapidly inhibited by the plasma serine protease inhibitor alpha-1-antitrypsin (AAT), and the importance of this protective activity on lung tissue is highlighted by the development of early onset emphysema in individuals with AAT deficiency. As a serpin, AAT presents a surface-exposed reactive centre loop (RCL) whose sequence mirrors the target protease specificity.
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