Results 1 to 10 of about 135,855 (359)

Oxidative decarboxylation of retinoic acid in microsomes of rat liver and kidney

Journal of Lipid Research, 1968
Liver and kidney microsomes have been found to catalyze a rapid decarboxylation of retinoic acid in vitro. The reaction requires NADPH and Fe2+, and is further stimulated by the presence of pyrophosphate.
Anita B. Roberts, Hector F. DeLuca
doaj   +2 more sources

Beyond-Rule-of-Five Compounds Are Not Different: In Vitro–In Vivo Extrapolation of Female CD-1 Mouse Clearance Based on Merck Healthcare KGaA Compound Set [PDF]

Pharmaceuticals
Background: Extrapolation of intrinsic clearance from in vitro systems such as liver microsomes or hepatocytes is an established approach to predict clearance in preclinical species and in humans.
Christine K. Maurer, Zhizhou Fang, Heide M. Duevel, Stephanie Harlfinger, Carl Petersson   +4 more
doaj   +2 more sources

Structural Features Governing the Metabolic Stability of Tetraethyl-Substituted Nitroxides in Rat Liver Microsomes

Antioxidants, 2023
Nitroxides are potent tools for studying biological systems by electron paramagnetic resonance (EPR). Whatever the application, a certain stability is necessary for successful detection.
Aleksandra Rančić, Nikola Babić, Maylis Orio, Fabienne Peyrot   +3 more
doaj   +1 more source

HPLC with Fluorescence and Photodiode Array Detection for Quantifying Capmatinib in Biological Samples: Application to In Vivo and In Vitro Studies

Molecules, 2022
Capmatinib, a recently approved tyrosine kinase inhibitor, is used for the treatment of non-small cell lung cancer. We describe two new HPLC methods for capmatinib quantification in vivo and in vitro. HPLC with a fluorescence detection method was used to
Aref Zayed, Sana’a A. Jaber, Jomana Al Hroot, Sahar Hawamdeh, Nehad M. Ayoub, Nidal A. Qinna   +5 more
doaj   +1 more source

Contribution of Mass Spectrometry to the Advances in Risk Characterization of Marine Biotoxins: Towards the Characterization of Metabolites Implied in Human Intoxications

Toxins, 2023
A significant spread and prevalence of algal toxins and, in particular, marine biotoxins have been observed worldwide over the last decades. Marine biotoxins are natural contaminants produced during harmful algal blooms being accumulated in seafood, thus
Pablo Estevez, Ana Gago-Martinez
doaj   +1 more source

Accelerating the Production of Druggable Targets: Eukaryotic Cell-Free Systems Come into Focus

Methods and Protocols, 2019
In the biopharmaceutical pipeline, protein expression systems are of high importance not only for the production of biotherapeutics but also for the discovery of novel drugs.
Lena Thoring, Anne Zemella, Doreen Wüstenhagen, Stefan Kubick   +3 more
doaj   +1 more source

Ribonucleoparticle-independent transport of proteins into mammalian microsomes [PDF]

, 1990
There are at least two different mechanisms for the transport of secretory proteins into the mammalian endoplasmic reticulum. Both mechanisms depend on the presence of a signal peptide on the respective precursor protein and involve a signal peptide ...
Cobet, Werner W. E., Jung, Christian, Klappa, Peter, Morel, F., Müller, Günter, Schlenstedt, Gabriel, Wiech, Hans, Zimmermann, M., Zimmermann, Richard   +8 more
core   +2 more sources

Characterization of porcine hepatic and intestinal drug metabolizing CYP450 : comparison with human orthologues from a quantitative, activity and selectivity perspective [PDF]

, 2019
Over the past two decades, the pig has gained attention as a potential model for human drug metabolism. Cytochrome P450 enzymes (CYP450), a superfamily of biotransformation enzymes, are pivotal in drug metabolism.
Croubels, Siska, De Clerck, Laura, Deforce, Dieter, Devreese, Mathias, Govaert, Elisabeth, Millecam, Joske, Schelstraete, Wim, Van Bocxlaer, Jan   +7 more
core   +1 more source

The synthesis of hemoglobin in a cell-free system [PDF]

, 1958
The microsomal particles (1) have been implicated as the major sites of protein synthesis within the cells of a variety of tissues. The studies of Borsook, Zamecnik, Hultin, and others, with intact animals and various types of whole cell systems (see ...
Allen, Esther, Lamfrom, Hildegarde, Schweet, Richard   +2 more
core   +2 more sources

Part Two: Evaluation of N-methylbupropion as a Potential Bupropion Prodrug

Pharmaceuticals, 2014
N-methylbupropion was selected as a potential prodrug from our in vitro screening of analogues of bupropion described in the preceding paper. This study describes in vivo pharmacokinetics of N-methylbupropion in the guinea-pig animal model, which is ...
Paul Matthew O'Byrne, Robert williams, John J. walsh, John F. Gilmer   +3 more
doaj   +1 more source