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Development of a new flippase-dependent mouse model for red fluorescence-based isolation of KRAS oncogene-expressing tumor cells.
Transgenic Res
January 2025
Laboratory of Cell and Developmental Biology, Institute of Molecular Genetics of the Czech Academy of Sciences, Videnska 1083, 142 20, Prague 4, Czech Republic.
Proto-oncogene KRAS, GTPase (KRAS) is one of the most intensively studied oncogenes in cancer research. Although several mouse models allow for regulated expression of mutant KRAS, selective isolation and analysis of transforming or tumor cells that produce the KRAS oncogene remains a challenge. In our study, we present a knock-in model of oncogenic variant KRAS that enables the "activation" of KRAS expression together with production of red fluorescent protein tdTomato.
View Article and Find Full Text PDFE-cigarettes increase the risk of adenoma formation in murine colorectal cancer model.
Arch Toxicol
January 2025
Department of Medicine, University of California, San Diego, CA, 92093, USA.
E-cigarettes (E.cigs) cause inflammation and damage to human organs, including the lungs and heart. In the gut, E.
View Article and Find Full Text PDFNew Hydrazone Derivatives Based on Pyrazolopyridothiazine Core as Cytotoxic Agents to Colon Cancers: Design, Synthesis, Biological Evaluation, and Molecular Modeling.
ChemMedChem
January 2025
Danylo Halytsky Lviv National Medical University, Pharmaceutical, Organic and Bioorganic Chemistry, UKRAINE.
In this research, a series of novel hydrazone derivatives based on pyrazolopyridothiazinylacetohydrazide were designed, synthesized, and evaluated for their in vitro cytotoxic potency on several human colon cancer cells (HTC116, HT-29, and LoVo). After MTT and SRB assays four of the most active derivatives: hydrazide GH and hydrazones GH7, GH8, and GH11, were chosen for further investigation. Hydrazone GH11 had the highest cytotoxic activity (IC50 values of c.
View Article and Find Full Text PDFInvestigation of the In Vitro Antioxidant, Anticholinesterase, Antiurease, Antityrosinase, and Cytotoxic Properties of a Novel Compound: 4-Methoxy-2-(4-Methoxyphenyl)Benzo[d][1,3,2]Dioxaborole.
Pharmacol Res Perspect
February 2025
Department of Pharmacology and Toxicology, Faculty of Veterinary, Ankara University, Ankara, Turkey.
In this study, the structure of a new boron compound obtained using 3-methoxy catechol and 4-methoxy phenyl boronic acid was characterized by H, C NMR, LC-MS-IT-TOF, UV-Vis and FTIR spectroscopy. The antioxidant activities of the newly synthesized compound were evaluated by DPPH free radical scavenging, ABTS quation radical scavenging and CUPRAC copper reducing capacity methods. Anticholinesterase activities were determined by acetylcholinesterase and butyrylcholinesterase enzyme inhibitor assays.
View Article and Find Full Text PDFThe usefulness of barium enema using a water-soluble contrast medium as an emergency examination.
Rev Esp Enferm Dig
January 2025
Gastroenterology, Yokkaichi Municipal Hospital.
Background: Colorectal obstruction is a critical condition requiring prompt diagnosis and intervention. Gastrografin, a water-soluble contrast agent, combines diagnostic and therapeutic benefits, facilitating bowel cleansing and enhancing intestinal motility. This study assessed the safety and effectiveness of Gastrografin enemas in emergency settings.
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