The focus of the presentation will review the distribution of nitric oxide (NO)-producing sites in the digestive system in mammals and nonmammalian vertebrates and will center on the roles that NO plays in modulating physiological and pathophysiological functions in digestive system.
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| http://dx.doi.org/10.1016/s0300-9629(97)00026-1 | DOI Listing |
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Loss of increases type I interferon signalling and reduces pancreatic tumour growth by enhancing immune cell infiltration.
Front Immunol
January 2025
Department of Pharmacology and Toxicology, University of Toronto, Toronto, ON, Canada.
Background: Pancreatic ductal adenocarcinoma (PDAC) is one of the most lethal forms of cancer, and despite low incidence rates, it remains the sixth leading cause of cancer related deaths worldwide. Immunotherapy, which aims to enhance the immune system's ability to recognize and eliminate cancer cells, has emerged as a promising approach in the battle against PDAC. PARP7, a mono-ADP-ribosyltransferase, is a negative regulator of the type I interferon (IFN-I) pathway and has been reported to reduce anti-tumour immunity.
View Article and Find Full Text PDFExtracellular and intracellular digestion in the bivalves studied by magnetic resonance imaging with a contrast reagent.
J Exp Biol
January 2025
Division of Cell Structure, National Institute for Physiological Sciences, Okazaki, Aichi 444-8787, Japan.
We investigated the extracellular and intracellular digestion of bivalves employing magnetic resonance imaging (MRI). Ruditapes philippinarum clams and Mytilus galloprovincialis mussels were incubated in seawater containing a contrast reagent (GdDTPA) at 20°C. The digestive systems, from the esophagus to the rectum, were visualized at a high signal intensity by the T1-weighted MRI.
View Article and Find Full Text PDFEffect of cold atmospheric plasma on common oral pathogenic microorganisms: a narrative review.
Ann Med
December 2025
Department of Obstetrics and Gynecology, The Second Hospital of Jilin University, Changchun, People's Republic of China.
Background: The oral microbiota is a diverse and complex community that maintains a delicate balance. When this balance is disturbed, it can lead to acute and chronic infectious diseases such as dental caries and periodontitis, significantly affecting people's quality of life. Developing a new antimicrobial strategy to deal with the increasing microbial variability and resistance is important.
View Article and Find Full Text PDFInvolvement of metformin and aging in salivary expression of ACE2 and TMPRSS2.
Biofactors
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Department of Oral Disease Research, National Center for Geriatrics and Gerontology, Obu, Japan.
SARS-CoV-2-related proteins, ACE2 and TMPRSS2, are determinants of SARS-CoV-2 infection. Although these proteins are expressed in oral-related tissues, their expression patterns and modulatory mechanisms in the salivary glands remain unknown. We herein showed that full-length ACE2, which has both a fully functional enzyme catalytic site and high-affinity SARS-CoV-2 spike S1-binding sites, was more highly expressed in salivary glands than in oral mucosal epithelial cells and the lungs.
View Article and Find Full Text PDFCoumarin Analogues as Promising Anti-Obesity Agents: In Silico Design, Synthesis, and In Vitro Pancreatic Lipase Inhibitory Activity.
Chem Biol Drug Des
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Laboratory of Natural Product Chemistry, Department of Pharmacy, Birla Institute of Technology and Science, Pilani (BITS Pilani), Pilani, Rajasthan, India.
A set of coumarin-3-carboxamide analogues were designed, synthesized, and evaluated for their ability to impede pancreatic lipase (PL) activity. Out of all the analogues, 5dh and 5de demonstrated promising inhibitory activity against PL, as indicated by their respective IC values of 9.20 and 11.
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