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ZBP1 senses DNA triggering type I interferon signaling pathway and unfolded protein response activation.
Front Immunol
January 2025
Departamento de Bioquímica e Imunologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil.
The innate immune system promptly detects and responds to invading pathogens, with a key role played by the recognition of bacterial-derived DNA through pattern recognition receptors. The Z-DNA binding protein 1 (ZBP1) functions as a DNA sensor inducing type I interferon (IFN) production, innate immune responses and also inflammatory cell death. ZBP1 interacts with cytosolic DNA via its DNA-binding domains, crucial for its activation.
View Article and Find Full Text PDFReaction and interaction dynamics of azobenzene-tethered DNA with T7 RNA polymerase.
Phys Chem Chem Phys
January 2025
Department of Chemistry, Graduate School of Science, Kyoto University, Kyoto 606-8502, Japan.
Reaction and interaction dynamics of azobenzene-tethered DNA (photoresponsive DNA) with T7 RNA polymerase (T7RNAP) were studied after photoisomerization of azobenzene from the - to -forms using the transient grating (TG) and time-resolved fluorescence polarization techniques. Two types of photoresponsive DNA were examined: AzoPBD, tethered at the protein binding site, and AzoTATA, tethered at the unwinding site. A diffusion change was observed after photoexcitation of -AzoPBD within 1 ms, and this change is explained in terms of a structural change from a bent to an extended conformation upon the -to- photoisomerization.
View Article and Find Full Text PDFEnhancers of cancer stem cells and epithelial-mesenchymal transition: Lin28, MUC1, and lipocalin-2 as a new prognostic axis in classical invasive lobular carcinoma of the breast.
Pol J Pathol
January 2025
Department of Pathology, Faculty of Medicine, Zagazig University, Zagazig, Egypt.
Breast carcinoma is one of the most common causes of cancer-related mortality among women worldwide. The primary objective of the present study was to eva-luate the expression of the epithelial-mesenchymal transition (EMT)-related markers Lin28, MUC1, and lipocalin-2 in invasive lobular carcinoma (ILC) and to investigate their correlation with clinicopathological characteristics and patient survival. This prospective cohort study included 120 classic ILC cases investigated for immunohistochemical expressions of Lin28, MUC1, and lipocalin-2 and followed them for five years or until death.
View Article and Find Full Text PDFTERT de novo mutation-associated dyskeratosis congenita and porto-sinusoidal vascular disease: a case report.
J Med Case Rep
January 2025
Department of Hepatic Biliary Pancreatic Medicine, First Hospital of Jilin University, 1 Xinmin Avenue, Changchun, 130021, China.
Background: Dyskeratosis congenita is a rare genetic disease due to telomere biology disorder and characterized by heterogeneous clinical manifestations and severe complications. "Porto-sinusoidal vascular disease" has been recently proposed, according to new diagnostic criteria, to replace the term "idiopathic non-cirrhotic portal hypertension." TERT plays an important role in telomeric DNA repair and replication.
View Article and Find Full Text PDFBackground: HuR/ELAV1, a ubiquitous RNA-binding protein, belongs to the RNA-binding protein family and is crucial for stabilizing and regulating the translation of various mRNA targets, influencing gene expression. Elevated HuR levels are associated with multiple disorders, including cancer and neurodegenerative diseases. Despite the identification of small molecule inhibitors targeting HuR, their detailed characterization remains limited.
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