Search Results - "Ilag, Leopold L"
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Diatoms: a novel source for the neurotoxin BMAA in aquatic environments
Published in PloS one (02-01-2014)“…Amyotrophic lateral sclerosis (ALS) or Lou Gehrig's disease is a neurological disorder linked to environmental exposure to a non-protein amino acid,…”
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A Hairpin Motif in the Amyloid‑β Peptide Is Important for Formation of Disease-Related Oligomers
Published in Journal of the American Chemical Society (23-08-2023)“…The amyloid-β (Aβ) peptide is associated with the development of Alzheimer’s disease and is known to form highly neurotoxic prefibrillar oligomeric aggregates,…”
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3
Transfer of a cyanobacterial neurotoxin within a temperate aquatic ecosystem suggests pathways for human exposure
Published in Proceedings of the National Academy of Sciences - PNAS (18-05-2010)“…β-methylamino-L-alanine (BMAA), a neurotoxic nonprotein amino acid produced by most cyanobacteria, has been proposed to be the causative agent of devastating…”
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Cyanobacteria produce N-(2-aminoethyl)glycine, a backbone for peptide nucleic acids which may have been the first genetic molecules for life on Earth
Published in PloS one (07-11-2012)“…Prior to the evolution of DNA-based organisms on earth over 3.5 billion years ago it is hypothesized that RNA was the primary genetic molecule. Before…”
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Multimodal Spectroscopic Imaging of Pea Root Nodules to Assess the Nitrogen Fixation in the Presence of Biofertilizer Based on Nod-Factors
Published in International journal of molecular sciences (30-11-2021)“…Multimodal spectroscopic imaging methods such as Matrix Assisted Laser Desorption/Ionization Mass Spectrometry Imaging (MALDI MSI), Fourier Transform Infrared…”
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Host cell-derived lactate functions as an effector molecule in Neisseria meningitidis microcolony dispersal
Published in PLoS pathogens (01-04-2017)“…The development of meningococcal disease, caused by the human pathogen Neisseria meningitidis, is preceded by the colonization of the epithelial layer in the…”
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Protein association of the neurotoxin and non-protein amino acid BMAA (β-N-methylamino-l-alanine) in the liver and brain following neonatal administration in rats
Published in Toxicology letters (07-04-2014)“…•Autoradiographic imaging showed BMAA uptake in tissues with high protein synthesis.•UHPLC–MS/MS showed dose-dependent protein-association of BMAA.•More than…”
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Identification of proteins from human permanent erupted enamel
Published in European journal of oral sciences (01-12-2015)“…Proteins from the extracellular matrix of enamel are highly specific and necessary for proper enamel formation. Most proteins are removed from the matrix by…”
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A Collaborative Evaluation of LC-MS/MS Based Methods for BMAA Analysis: Soluble Bound BMAA Found to Be an Important Fraction
Published in Marine drugs (01-03-2016)“…Exposure to β-N-methylamino-l-alanine (BMAA) might be linked to the incidence of amyotrophic lateral sclerosis, Alzheimer's disease and Parkinson's disease…”
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Mass Measurements of Increased Accuracy Resolve Heterogeneous Populations of Intact Ribosomes
Published in Journal of the American Chemical Society (06-09-2006)“…It is established that noncovalent complexes can be maintained both during and after electrospray and that assemblies of increasing size and complexity often…”
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The Fate of a Hapten - From the Skin to Modification of Macrophage Migration Inhibitory Factor (MIF) in Lymph Nodes
Published in Scientific reports (13-02-2018)“…Skin (contact) allergy, the most prevalent form of immunotoxicity in humans, is caused by low molecular weight chemicals (haptens) that penetrate stratum…”
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The amyloid-inhibiting NCAM-PrP peptide targets Aβ peptide aggregation in membrane-mimetic environments
Published in iScience (20-08-2021)“…Substantial research efforts have gone into elucidating the role of protein misfolding and self-assembly in the onset and progression of Alzheimer’s disease…”
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Protein Complexes of the Escherichia coli Cell Envelope
Published in The Journal of biological chemistry (14-10-2005)“…Protein complexes are an intrinsic aspect of life in the membrane. Knowing which proteins are assembled in these complexes is therefore essential to…”
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Analytical protocol for identification of BMAA and DAB in biological samples
Published in Analyst (London) (01-01-2010)“…Beta-N-methylamino-L-alanine (BMAA) is a non-protein amino acid, thought to be inflicting neurodegenerative diseases related to ALS/PDC in human beings. Due to…”
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Heptameric ( L12)6/ L10 Rather Than Canonical Pentameric Complexes Are Found by Tandem MS of Intact Ribosomes from Thermophilic Bacteria
Published in Proceedings of the National Academy of Sciences - PNAS (07-06-2005)“…Ribosomes are universal translators of the genetic code into protein and represent macromolecular structures that are asymmetric, often heterogeneous, and…”
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Monosaccharide compositional analysis of marine polysaccharides by hydrophilic interaction liquid chromatography-tandem mass spectrometry
Published in Analytical and bioanalytical chemistry (01-03-2011)“…A simple and sensitive method was developed using hydrophilic interaction liquid chromatography coupled to tandem mass spectrometry for determination of…”
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Abiotic synthesis of amino acids and self-crystallization under prebiotic conditions
Published in Scientific reports (27-10-2014)“…Building on previous research on the origin and homochirality of life, this study focuses on analyses profiling important building blocks of life: the natural…”
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Native Ion Mobility-Mass Spectrometry Reveals the Formation of β‑Barrel Shaped Amyloid‑β Hexamers in a Membrane-Mimicking Environment
Published in Journal of the American Chemical Society (03-07-2019)“…The mechanisms behind the Amyloid-β (Aβ) peptide neurotoxicity in Alzheimer’s disease are intensely studied and under debate. One suggested mechanism is that…”
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Detection of Benzo[ a ]pyrene Diol Epoxide Adducts to Histidine and Lysine in Serum Albumin In Vivo by High-Resolution-Tandem Mass Spectrometry
Published in Toxics (Basel) (01-01-2022)“…Electrophilic diol epoxide metabolites are involved in the carcinogenicity of benzo[ ]pyrene, one of the widely studied polycyclic aromatic hydrocarbons…”
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Amyloid-β oligomers are captured by the DNAJB6 chaperone: Direct detection of interactions that can prevent primary nucleation
Published in The Journal of biological chemistry (12-06-2020)“…A human molecular chaperone protein, DnaJ heat shock protein family (Hsp40) member B6 (DNAJB6), efficiently inhibits amyloid aggregation. This inhibition…”
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