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File: /var/www/html/index.php
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Filename: controllers/Detail.php
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File: /var/www/html/application/controllers/Detail.php
Line: 249
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File: /var/www/html/index.php
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File: /var/www/html/application/controllers/Detail.php
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Function: _error_handler
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Function: strpos
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Function: insertAPISummary
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The rat has been the preferred rodent toxicology species since before regulatory requirements have been in place, and there exists in the pharmaceutical industry and the regulatory agencies a significant amount of historical data for the rat. The resulting experience base with the rat makes the possibility of replacing it with the mouse for regulated toxicology studies untenable for all but the most extreme circumstances. However, toxicologists are very familiar with the mouse as a model for chronic carcinogenicity studies, and there exist multiple preclinical mouse models of disease. The authors evaluated the use of the mouse for early in vivo toxicology signal generation and prioritization of small molecule lead compounds prior to nomination of a development candidate. In five-day oral gavage studies with three test agents in the mouse, the authors were able to identify the same dose-limiting toxicities as those identified in the rat, including examples of compound-mediated hemolysis as well as microscopic lesions in the alimentary canal, kidney, and pancreas. Performing early signal generation studies in the mouse allows for earlier assessment of the safety liabilities of small molecules, requires significantly less compound, and allows evaluation of more compounds earlier in the project's life cycle.
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http://dx.doi.org/10.1177/0192623310364025 | DOI Listing |
Discov Nano
December 2024
Department of Instrumentation and Control Engineering, Dr B R Ambedkar National Institute of Technology Jalandhar, Punjab, 144008, India.
In vivo, molecular imaging is prevalent for biology research and therapeutic practice. Among advanced imaging technologies, photoacoustic (PA) imaging and sensing is gaining interest around the globe due its exciting features like high resolution and good (~ few cm) penetration depth. PA imaging is a recent development in ultrasonic technology that generates acoustic waves by absorbing optical energy.
View Article and Find Full Text PDFPlant Mol Biol
December 2024
College of Agriculture, Guangxi University, Nanning, 530004, China.
Cold stress is an environmental factor that seriously restricts the growth, production and survival of plants, and has received extensive attention in recent years. Hydrogen sulfide (HS) is an ubiquitous gas signaling molecule, and its role in alleviating plant cold stress has become a research focus in recent years. This paper reviews for the first time the significant effect of HS on improving plant cold resistance, which makes up for the gaps in the existing literature.
View Article and Find Full Text PDFGut Microbes
December 2025
Department of Gastroenterology and Hepatology, General Hospital, Tianjin Medical University, National Key Clinical Specialty, Tianjin Institute of Digestive Diseases, Tianjin Key Laboratory of Digestive Diseases, Tianjin, China.
The initiation and progression of colorectal cancer (CRC) are intimately associated with genetic, environmental and biological factors. (DSV), a sulfate-reducing bacterium, has been found excessive growth in CRC patients, suggesting a potential role in carcinogenesis. However, the precise mechanisms underlying this association remain incompletely understood.
View Article and Find Full Text PDFJ Phys Chem Lett
December 2024
Department of Chemistry, University of Michigan, 930 North University Avenue, Ann Arbor, Michigan 48103, United States.
Sum frequency generation vibrational spectroscopy was applied to study the surface hydration and protein adsorption behavior on several polymer coatings based on pyridine, imidazole, and amine side groups along with vinyl or methacrylate backbones and their corresponding zwitterionic forms with carboxybetaine or sulfobetaine side chains, prepared by initiated chemical vapor deposition (iCVD). iCVD also enables facile tuning of the cross-linking density of the polymer coatings by blending in a cross-linker during the deposition, namely, 1,3,5,7-tetramethyl-1,3,5,7-tetravinyl cyclotetrasiloxane. Our results show that both the low- and high-cross-linking density zwitterionic polymers exhibit significantly better antifouling activities compared to those of the polymers without the zwitterionic side chains.
View Article and Find Full Text PDFJ Gen Physiol
March 2025
University Lyon, Université Claude Bernard Lyon 1, CNRS UMR-5261, INSERM U-1315, Institut NeuroMyoGène - Pathophysiology and Genetics of Neuron and Muscle , Lyon, France.
The potential pathogenic role of disturbed Ca2+ homeostasis in Duchenne muscular dystrophy (DMD) remains a complex, unsettled issue. We used muscle fibers isolated from 3-mo-old DMDmdx rats to further investigate the case. Most DMDmdx fibers exhibited no sign of trophic or morphology distinction as compared with WT fibers and mitochondria and t-tubule membrane networks also showed no stringent discrepancy.
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