title: MALDI imaging techniques dedicated to drug-distribution studies.
abstract: Previously, MS was often used to analyze the composition and structure of biological molecules present in solutions. Today, technology developments enable the application of MS for the analysis of localized biomolecules on biological tissue surfaces. This technique is called MS imaging. MALDI imaging MS is a technique whereby thousands of compounds present in a tissue section are detected simultaneously without labeling. Although initially used for the detection of biomolecules such as peptides and proteins, this technology is also used today for drug detection. These characteristics make MS imaging an ideal technology that is perfectly adapted for ADME (absorption, distribution, metabolism and excretion) studies. In fact, this technology facilitates the tracking of one or several administered drugs, as well as the metabolites that result from their assimilations. In this article, we will present the various possibilities that MALDI imaging MS approaches have to offer for the study of drugs and their metabolites using MS, MS/MS, FAST-SRM and MRM modes. In this context, we investigate two studies: the distribution of olanzapine in the kidney and the overall distribution of BDM31343 in mouse whole-body section.
authors.affiliation: ImaBiotech, 59655-Villeneuve d'Ascq, France.
authors.forename: David
authors.initials: D
authors.lastname: Bonnel
authors.forename: Raphael
authors.initials: R
authors.lastname: Legouffe
authors.forename: Nicolas
authors.initials: N
authors.lastname: Willand
authors.forename: Alain
authors.initials: A
authors.lastname: Baulard
authors.forename: Gregory
authors.initials: G
authors.lastname: Hamm
authors.forename: Benoit
authors.initials: B
authors.lastname: Deprez
authors.forename: Jonathan
authors.initials: J
authors.lastname: Stauber
mesh_terms: D000818:Animals; D001569:Benzodiazepines / Q000378:metabolism / Q000493:pharmacokinetics; D051379:Mice; D000077152:Olanzapine; D010069:Oxadiazoles / Q000493:pharmacokinetics; D004364:Pharmaceutical Preparations / Q000378:metabolism*; D019032:Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization / Q000379:methods*; D053719:Tandem Mass Spectrometry; D013876:Thiophenes / Q000493:pharmacokinetics; D014018:Tissue Distribution
chemical_list: C560498:BDM 31343; D010069:Oxadiazoles; D004364:Pharmaceutical Preparations; D013876:Thiophenes; D001569:Benzodiazepines; D000077152:Olanzapine