Michael Karas

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JoVE Journal Publications

ArticleTotal : 1	Year
Publication title Cited by 9	2015

Other Publications

Article	Year
Carbon Source-dependent assembly of the Snf1p kinase complex in Candida albicans. The Journal of biological chemistry\| PubMed ID: 15890650	2005
Comparative proteomic analysis of the rat spinal cord in inflammatory and neuropathic pain models. Neuroscience letters\| PubMed ID: 15896486	2005
Mass spectrometric sequencing of individual peptides from combinatorial libraries via specific generation of chain-terminated sequences. Journal of combinatorial chemistry\| PubMed ID: 11831885	2002
Identification of anhydroecgonine methyl ester N-oxide, a new metabolite of anhydroecgonine methyl ester, using electrospray mass spectrometry. Journal of mass spectrometry : JMS\| PubMed ID: 12112758	2002
Formation and fate of ion pairs during MALDI analysis: anion adduct generation as an indicative tool to determine ionization processes. Journal of the American Society for Mass Spectrometry\| PubMed ID: 12387328	2002
Structural analysis of underivatized neutral human milk oligosaccharides in the negative ion mode by nano-electrospray MS(n) (part 1: methodology). Journal of the American Society for Mass Spectrometry\| PubMed ID: 12443024	2002
Structural analysis of underivatized neutral human milk oligosaccharides in the negative ion mode by nano-electrospray MS(n) (part 2: application to isomeric mixtures). Journal of the American Society for Mass Spectrometry\| PubMed ID: 12443025	2002
Ion formation in MALDI: the cluster ionization mechanism. Chemical reviews\| PubMed ID: 12580637	2003
Activation of subtilin precursors by Bacillus subtilis extracellular serine proteases subtilisin (AprE), WprA, and Vpr. Biochemical and biophysical research communications\| PubMed ID: 12705882	2003
Effect of different solution flow rates on analyte ion signals in nano-ESI MS, or: when does ESI turn into nano-ESI? Journal of the American Society for Mass Spectrometry\| PubMed ID: 12745218	2003
The cyclin-dependent kinase inhibitor p21CIP/WAF is a positive regulator of insulin-like growth factor I-induced cell proliferation in MCF-7 human breast cancer cells. The Journal of biological chemistry\| PubMed ID: 12867429	2003
Degradation of ginsenosides in humans after oral administration. Drug metabolism and disposition: the biological fate of chemicals\| PubMed ID: 12867496	2003
Charting molecular composition of phosphatidylcholines by fatty acid scanning and ion trap MS3 fragmentation. Journal of lipid research\| PubMed ID: 12923235	2003
Determination of hyperforin in mouse brain by high-performance liquid chromatography/tandem mass spectrometry. Analytical chemistry\| PubMed ID: 14615985	2003
Multiple signaling pathways are involved in the regulation of IGF-I receptor inhibition of PTEN-enhanced apoptosis. Growth hormone & IGF research : official journal of the Growth Hormone Research Society and the International IGF Research Society\| PubMed ID: 14700555	2004
Calibration of ion effective temperatures achieved by resonant activation in a quadrupole ion trap. Analytical chemistry\| PubMed ID: 14708790	2003
PTEN inhibits cell proliferation and induces apoptosis by downregulating cell surface IGF-IR expression in prostate cancer cells. Oncogene\| PubMed ID: 14737113	2004
Effects of organ-specific loss of insulin-like growth factor-I production on murine hematopoiesis. Biology of blood and marrow transplantation : journal of the American Society for Blood and Marrow Transplantation\| PubMed ID: 14752777	2004
TDAG51 mediates the effects of insulin-like growth factor I (IGF-I) on cell survival. The Journal of biological chemistry\| PubMed ID: 15037619	2004
14-3-3sigma mediation of cell cycle progression is p53-independent in response to insulin-like growth factor-I receptor activation. The Journal of biological chemistry\| PubMed ID: 15187095	2004
Physicochemical characterisation of cationic polybutylcyanoacrylate-nanoparticles by fluorescence correlation spectroscopy. European journal of pharmaceutics and biopharmaceutics : official journal of Arbeitsgemeinschaft für Pharmazeutische Verfahrenstechnik e.V\| PubMed ID: 15207534	2004
Mass spectrometric mapping of the enzymes involved in the phenol degradation of an indigenous soil pseudomonad. Biochimica et biophysica acta\| PubMed ID: 15210131	2004
CD8+ cytotoxic T lymphocytes isolated from allogeneic healthy donors recognize HLA class Ia/Ib-associated renal carcinoma antigens with ubiquitous or restricted tissue expression. Blood\| PubMed ID: 15231579	2004
Internal energy build-up in matrix-assisted laser desorption/ionization. Journal of mass spectrometry : JMS\| PubMed ID: 15236295	2004
Insulin-like growth factor-I stimulates both cell growth and lipogenesis during differentiation of human mesenchymal stem cells into adipocytes. The Journal of clinical endocrinology and metabolism\| PubMed ID: 15240644	2004
Processing of the 24 kDa subunit mitochondrial import signal is not required for assembly of functional complex I in Yarrowia lipolytica. European journal of biochemistry / FEBS\| PubMed ID: 15317595	2004
Hyperforin modifies neuronal membrane properties in vivo. Neuroscience letters\| PubMed ID: 15331138	2004
Two-dimensional electrophoresis for the isolation of integral membrane proteins and mass spectrometric identification. Proteomics\| PubMed ID: 15352231	2004
Chronic administration of statins alters multiple gene expression patterns in mouse cerebral cortex. The Journal of pharmacology and experimental therapeutics\| PubMed ID: 15358814	2005
Membrane proteome analysis of the green-sulfur bacterium Chlorobium tepidum. Electrophoresis\| PubMed ID: 15490440	2004
Detection and characterisation of catechol 2,3-dioxygenase in an indigenous soil pseudomonad by MALDI-TOF MS using a column separation. Biodegradation\| PubMed ID: 15730028	2005
Lipid rafts associate with intracellular B cell receptors and exhibit a B cell stage-specific protein composition. Journal of immunology (Baltimore, Md. : 1950)\| PubMed ID: 15749887	2005
Use of two-dimensional gel electrophoresis in predictive toxicology: identification of potential early protein biomarkers in chemically induced hepatocarcinogenesis. Proteomics\| PubMed ID: 15816005	2005
A four-subunit cytochrome bc(1) complex complements the respiratory chain of Thermus thermophilus. Biochimica et biophysica acta\| PubMed ID: 15869739	2005
Molecular weights of poly(butyl cyanoacrylate) nanoparticles determined by mass spectrometry and size exclusion chromatography. European journal of pharmaceutics and biopharmaceutics : official journal of Arbeitsgemeinschaft für Pharmazeutische Verfahrenstechnik e.V\| PubMed ID: 15996580	2005
Rapid and sensitive identification of major histocompatibility complex class I-associated tumor peptides by Nano-LC MALDI MS/MS. Molecular & cellular proteomics : MCP\| PubMed ID: 16112985	2005
LC-nanospray-MS/MS analysis of hydrophobic proteins from membrane protein complexes isolated by blue-native electrophoresis. Journal of mass spectrometry : JMS\| PubMed ID: 16127664	2005
Immunoisolation of two synaptic vesicle pools from synaptosomes: a proteomics analysis. Journal of neurochemistry\| PubMed ID: 16269012	2005
Proteomic analysis of chlorosome-depleted membranes of the green sulfur bacterium Chlorobium tepidum. Proteomics\| PubMed ID: 16294302	2006
Collision-induced dissociation pathways of yeast sphingolipids and their molecular profiling in total lipid extracts: a study by quadrupole TOF and linear ion trap-orbitrap mass spectrometry... Journal of mass spectrometry : JMS\| PubMed ID: 16498600	2006
High throughput two-dimensional blue-native electrophoresis: a tool for functional proteomics of cytoplasmatic protein complexes from Chlorobium tepidum. Photosynthesis research\| PubMed ID: 16622784	2006
Functional characterization of BbCRASP-2, a distinct outer membrane protein of Borrelia burgdorferi that binds host complement regulators factor H and FHL-1. Molecular microbiology\| PubMed ID: 16925556	2006
Synaptic vesicle proteins under conditions of rest and activation: analysis by 2-D difference gel electrophoresis. Electrophoresis\| PubMed ID: 16944461	2006
Mass spectrometric analysis of glycine receptor-associated gephyrin splice variants. The Journal of biological chemistry\| PubMed ID: 17001074	2006
Biochemical and electron microscopic characterization of the F1F0 ATP synthase from the hyperthermophilic eubacterium Aquifex aeolicus. FEBS letters\| PubMed ID: 17045990	2006
Analysis of the synaptic vesicle proteome using three gel-based protein separation techniques. Proteomics\| PubMed ID: 17080482	2006
Mechanism of substrate sensing and signal transmission within an ABC transporter: use of a Trojan horse strategy. The Journal of biological chemistry\| PubMed ID: 17164240	2007
An alternative strategy for the membrane proteome analysis of the green sulfur bacterium Chlorobium tepidum using blue native PAGE and 2-D PAGE on purified membranes. Journal of proteome research\| PubMed ID: 17261056	2007
High resolution clear native electrophoresis for in-gel functional assays and fluorescence studies of membrane protein complexes. Molecular & cellular proteomics : MCP\| PubMed ID: 17426019	2007
Prevalidation of potential protein biomarkers in toxicology using iTRAQ reagent technology. Proteomics\| PubMed ID: 17443845	2007
A dedicated haem lyase is required for the maturation of a novel bacterial cytochrome c with unconventional covalent haem binding. Molecular microbiology\| PubMed ID: 17501927	2007
Identification of two proteins associated with mammalian ATP synthase. Molecular & cellular proteomics : MCP\| PubMed ID: 17575325	2007
Investigation of sample-purification procedures for MALDI-based proteomic studies. Analytical and bioanalytical chemistry\| PubMed ID: 17668194	2007
Scaffold hopping by "fuzzy" pharmacophores and its application to RNA targets. Chembiochem : a European journal of chemical biology\| PubMed ID: 17896338	2007
Components of the translational machinery are associated with juvenile glycine receptors and are redistributed to the cytoskeleton upon aging and synaptic activity. The Journal of biological chemistry\| PubMed ID: 17965018	2007
The key residue for substrate transport (Glu14) in the EmrE dimer is asymmetric. The Journal of biological chemistry\| PubMed ID: 18042544	2008
Metabolism of boswellic acids in vitro and in vivo. Drug metabolism and disposition: the biological fate of chemicals\| PubMed ID: 18356270	2008
Identification of the mitochondrial ND3 subunit as a structural component involved in the active/deactive enzyme transition of respiratory complex I. The Journal of biological chemistry\| PubMed ID: 18502755	2008
Using fluorescence dyes as a tool for analyzing the MALDI process. Journal of the American Society for Mass Spectrometry\| PubMed ID: 18513990	2008
Detection and relative quantification of siRNA double strands by MALDI mass spectrometry. Analytical chemistry\| PubMed ID: 18616347	2008
Differential phosphoproteome profiling reveals a functional role for VASP in Helicobacter pylori-induced cytoskeleton turnover in gastric epithelial cells. Cellular microbiology\| PubMed ID: 18637808	2008
Comparison of the membrane subproteomes during growth of a new pseudomonas strain on lysogeny broth medium, glucose, and phenol. Journal of proteome research\| PubMed ID: 18707154	2008
4-Chloro-alpha-cyanocinnamic acid is an advanced, rationally designed MALDI matrix. Proceedings of the National Academy of Sciences of the United States of America\| PubMed ID: 18723668	2008
Elastase digests: new ammunition for shotgun membrane proteomics. Molecular & cellular proteomics : MCP\| PubMed ID: 19116210	2009
The proteome of the presynaptic active zone: from docked synaptic vesicles to adhesion molecules and maxi-channels. Journal of neurochemistry\| PubMed ID: 19187093	2009
The new matrix 4-chloro-alpha-cyanocinnamic acid allows the detection of phosphatidylethanolamine chloramines by MALDI-TOF mass spectrometry. Journal of the American Society for Mass Spectrometry\| PubMed ID: 19201617	2009
Sequencing of single and double stranded RNA oligonucleotides by acid hydrolysis and MALDI mass spectrometry. Analytical chemistry\| PubMed ID: 19296685	2009
Comparison between vacuum sublimed matrices and conventional dried droplet preparation in MALDI-TOF mass spectrometry. Journal of the American Society for Mass Spectrometry\| PubMed ID: 19299165	2009
Comparison between the matrices alpha-cyano-4-hydroxycinnamic acid and 4-chloro-alpha-cyanocinnamic acid for trypsin, chymotrypsin, and pepsin digestions by MALDI-TOF mass spectrometry. Journal of proteome research\| PubMed ID: 19435303	2009
Nitric oxide-independent vasodilator rescues heme-oxidized soluble guanylate cyclase from proteasomal degradation. Circulation research\| PubMed ID: 19478201	2009
Identification of human cathepsin G as a functional target of boswellic acids from the anti-inflammatory remedy frankincense. Journal of immunology (Baltimore, Md. : 1950)\| PubMed ID: 19648270	2009
Quantitative site-specific analysis of protein glycosylation by LC-MS using different glycopeptide-enrichment strategies. Analytical biochemistry\| PubMed ID: 19699707	2009
The benefit of combining nLC-MALDI-Orbitrap MS data with nLC-MALDI-TOF/TOF data for proteomic analyses employing elastase. Journal of proteome research\| PubMed ID: 19725589	2009
Metabotropic glutamate receptor 4 interacts with microtubule-associated protein 1B. Biochemical and biophysical research communications\| PubMed ID: 19781524	2009
Rapid simultaneous quantitative determination of different small pharmaceutical drugs using a conventional matrix-assisted laser desorption/ionization time-of-flight mass spectrometry system... Rapid communications in mass spectrometry : RCM\| PubMed ID: 19844965	2009
Highly specific capture and direct MALDI MS analysis of phosphopeptides by zirconium phosphonate on self-assembled monolayers. Analytical chemistry\| PubMed ID: 19968246	2010
Membrane protein analysis using an improved peptic in-solution digestion protocol. Proteomics\| PubMed ID: 20017156	2009
The ribosome assembly factor Nep1 responsible for Bowen-Conradi syndrome is a pseudouridine-N1-specific methyltransferase. Nucleic acids research\| PubMed ID: 20047967	2010
Quantitative determination of acetylcholine and choline in microdialysis samples by MALDI-TOF MS. Analytical chemistry\| PubMed ID: 20058877	2010
Approaching the complexity of elastase-digested membrane proteomes using off-gel IEF/nLC-MALDI-MS/MS. Analytical chemistry\| PubMed ID: 20136094	2010
A novel polyacrylamide gel system for proteomic use offering controllable pore expansion by crosslinker cleavage. Electrophoresis\| PubMed ID: 20162583	2010
Mass estimation of native proteins by blue native electrophoresis: principles and practical hints. Molecular & cellular proteomics : MCP\| PubMed ID: 20173216	2010
Assembly and oligomerization of human ATP synthase lacking mitochondrial subunits a and A6L. Biochimica et biophysica acta\| PubMed ID: 20188060	2010
Enhanced glyco-profiling by specific glycopeptide enrichment and complementary monolithic nano-LC (ZIC-HILIC/RP18e)/ESI-MS analysis. Journal of separation science\| PubMed ID: 20222078	2010
Membrane proteome of the green sulfur bacterium Chlorobium tepidum (syn. Chlorobaculum tepidum) analyzed by gel-based and gel-free methods. Photosynthesis research\| PubMed ID: 20349210	2010
Peptide mass fingerprinting after less specific in-gel proteolysis using MALDI-LTQ-Orbitrap and 4-chloro-alpha-cyanocinnamic acid. Journal of proteome research\| PubMed ID: 20364821	2010
3-Aminoquinoline acting as matrix and derivatizing agent for MALDI MS analysis of oligosaccharides. Analytical chemistry\| PubMed ID: 20387804	2010
Analysis of boronic acids by nano liquid chromatography-direct electron ionization mass spectrometry. Analytical chemistry\| PubMed ID: 20411924	2010
Significant sensitivity improvements by matrix optimization: a MALDI-TOF mass spectrometric study of lipids from hen egg yolk. Chemistry and physics of lipids\| PubMed ID: 20420816	2010
100% protein sequence coverage: a modern form of surrealism in proteomics. Amino acids\| PubMed ID: 20625782	2011
Identification of novel human adipocyte secreted proteins by using SGBS cells. Journal of proteome research\| PubMed ID: 20681635	2010
Hypoxia and reoxygenation of primary human hepatocytes induce proteome changes of glucose metabolism, oxidative protection and peroxisomal function. International journal of molecular medicine\| PubMed ID: 20818499	2010
Labeling elastase digests with TMT: informational gain by identification of poorly detectable peptides with MALDI-TOF/TOF mass spectrometry. Proteomics\| PubMed ID: 20925058	2010
The Bowen-Conradi syndrome protein Nep1 (Emg1) has a dual role in eukaryotic ribosome biogenesis, as an essential assembly factor and in the methylation of Î¨1191 in yeast 18S rRNA. Nucleic acids research\| PubMed ID: 20972225	2011
Complement factor H-related proteins CFHR2 and CFHR5 represent novel ligands for the infection-associated CRASP proteins of Borrelia burgdorferi. PloS one\| PubMed ID: 20975954	2010
Entianin, a novel subtilin-like lantibiotic from Bacillus subtilis subsp. spizizenii DSM 15029T with high antimicrobial activity. Applied and environmental microbiology\| PubMed ID: 21239550	2011
Proteome profiling suggests a pro-inflammatory role for plasma cells through release of high-mobility group box 1 protein. Proteomics\| PubMed ID: 21319304	2011
A high-definition native polyacrylamide gel electrophoresis system for the analysis of membrane complexes. The Plant journal : for cell and molecular biology\| PubMed ID: 21418111	2011
Structure elucidation and biosynthesis of lysine-rich cyclic peptides in Xenorhabdus nematophila. Organic & biomolecular chemistry\| PubMed ID: 21423922	2011
Simple dual-spotting procedure enhances nLC-MALDI MS/MS analysis of digests with less specific enzymes. Journal of proteome research\| PubMed ID: 21480673	2011
A proteomic approach to investigate the differential antigenic profile of two Coxiella burnetii strains. Journal of proteomics\| PubMed ID: 21565289	2011
Nerve injury evoked loss of latexin expression in spinal cord neurons contributes to the development of neuropathic pain. PloS one\| PubMed ID: 21572518	2011
Lipid particles/droplets of the yeast Saccharomyces cerevisiae revisited: lipidome meets proteome. Biochimica et biophysica acta\| PubMed ID: 21820081	2011
The trafficking proteins Vacuolar Protein Sorting 35 and Neurobeachin interact with the glycine receptor Î²-subunit. Biochemical and biophysical research communications\| PubMed ID: 21821005	2011
Fast quantitative determination of melamine and its derivatives by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry. Rapid communications in mass spectrometry : RCM\| PubMed ID: 21913263	2011
High-reactivity matrices increase the sensitivity of matrix enhanced secondary ion mass spectrometry. Analytical chemistry\| PubMed ID: 21939214	2011
Compelling evidence for Lucky Survivor and gas phase protonation: the unified MALDI analyte protonation mechanism. Journal of the American Society for Mass Spectrometry\| PubMed ID: 21953039	2011
Nano-liquid chromatography-direct electron ionization mass spectrometry: improving performance by a new ion source adapter. Journal of mass spectrometry : JMS\| PubMed ID: 22012666	2011
Inhibition of 5-lipoxygenase by U73122 is due to covalent binding to cysteine 416. Biochimica et biophysica acta\| PubMed ID: 22137889	2012
Identification of the enzyme responsible for N1-methylation of pseudouridine 54 in archaeal tRNAs. RNA (New York, N.Y.)\| PubMed ID: 22274954	2012
Heme-copper terminal oxidase using both cytochrome c and ubiquinol as electron donors. Proceedings of the National Academy of Sciences of the United States of America\| PubMed ID: 22334648	2012
Perfusion reversed-phase high-performance liquid chromatography for protein separation from detergent-containing solutions: an alternative to gel-based approaches. Analytical biochemistry\| PubMed ID: 22370273	2012
Premature transcript termination, trans-splicing and DNA repair: a vicious path to cancer. American journal of blood research\| PubMed ID: 22432062	2011
Improving the precision of quantitative bottom-up proteomics based on stable isotope-labeled proteins. Analytical and bioanalytical chemistry\| PubMed ID: 22535440	2012
Ion yields in UV-MALDI mass spectrometry as a function of excitation laser wavelength and optical and physico-chemical properties of classical and halogen-substituted MALDI matrixes. Analytical chemistry\| PubMed ID: 22803742	2012
Neutral loss fragmentation pattern based screening for arginine-rich natural products in Xenorhabdus and Photorhabdus. Analytical chemistry\| PubMed ID: 22873683	2012
Graphite supported preparation (GSP) of Î±-cyano-4-hydroxycinnamic acid (CHCA) for matrix-assisted laser desorption/ionization mass spectrometry (MALDI-MS) for peptides and proteins. Journal of the American Society for Mass Spectrometry\| PubMed ID: 22993043	2012
Lipidome and proteome of lipid droplets from the methylotrophic yeast Pichia pastoris. Biochimica et biophysica acta\| PubMed ID: 23041514	2013
Enzyme-cleavable tandem peptides for quantitative studies in MS-based proteomics. Proteomics\| PubMed ID: 23090848	2012
Comparative analysis of barley leaf proteome as affected by drought stress. Planta\| PubMed ID: 23129216	2013
Defining the core proteome of the chloroplast envelope membranes. Frontiers in plant science\| PubMed ID: 23390424	2013
TEMPORARY REMOVAL: Adsorption of plasma proteins on uncoated PLGA nanoparticles. European journal of pharmaceutics and biopharmaceutics : official journal of Arbeitsgemeinschaft fur Pharmazeutische Verfahrenstechnik e.V\| PubMed ID: 23395970	2013
Mass spectrometric detection of multiple extended series of neutral highly fucosylated N-acetyllactosamine oligosaccharides in human milk. International journal of mass spectrometry\| PubMed ID: 23538872	2008
MALDI analysis of proteins after extraction from dissolvable ethylene glycol diacrylate cross-linked polyacrylamide gels. Electrophoresis\| PubMed ID: 23775326	2013
Enhanced MALDI MS sensitivity by weak base additives and glycerol sample coating. Analytical chemistry\| PubMed ID: 24325339	2014
Sulfo-NHS-SS-biotin derivatization: a versatile tool for MALDI mass analysis of PTMs in lysine-rich proteins. Proteomics\| PubMed ID: 24449390	2014
The proteome of the presynaptic active zone from mouse brain. Molecular and cellular neurosciences\| PubMed ID: 24534009	2014
Analysis of 5-lipoxygenase phosphorylation on molecular level by MALDI-MS. The FEBS journal\| PubMed ID: 24860872	2014
PADI4 acts as a coactivator of Tal1 by counteracting repressive histone arginine methylation. Nature communications\| PubMed ID: 24874575	2014
Secretome analysis of Anabaena sp. PCC 7120 and the involvement of the TolC-homologue HgdD in protein secretion. Environmental microbiology\| PubMed ID: 24890022	2015
Self-built microdialysis probes with improved recoveries of ATP and neuropeptides. Journal of neuroscience methods\| PubMed ID: 25172804	2014
Comparative Analysis of Sorghum bicolor Proteome in Response to Drought Stress and following Recovery. International journal of proteomics\| PubMed ID: 25349737	2014
The association of late-acting snoRNPs with human pre-ribosomal complexes requires the RNA helicase DDX21. Nucleic acids research\| PubMed ID: 25477391	2015
Characterization of common and distinctive adjustments of wild barley leaf proteome under drought acclimation, heat stress and their combination. Plant molecular biology\| PubMed ID: 25647426	2015