Search Results - "Janssen, George"
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Autoantibodies recognizing carbamylated proteins are present in sera of patients with rheumatoid arthritis and predict joint damage
Published in Proceedings of the National Academy of Sciences - PNAS (18-10-2011)“…Autoimmune responses against posttranslationally modified antigens are a hallmark of several autoimmune diseases. For example, antibodies against citrullinated…”
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An ER-Associated Pathway Defines Endosomal Architecture for Controlled Cargo Transport
Published in Cell (30-06-2016)“…Through a network of progressively maturing vesicles, the endosomal system connects the cell’s interior with extracellular space. Intriguingly, this network…”
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Small-Molecule Activity-Based Probe for Monitoring Ubiquitin C‑Terminal Hydrolase L1 (UCHL1) Activity in Live Cells and Zebrafish Embryos
Published in Journal of the American Chemical Society (30-09-2020)“…Many reagents have emerged to study the function of specific enzymes in vitro. On the other hand, target specific reagents are scarce or need improvement,…”
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Discovery of an essential nucleotidylating activity associated with a newly delineated conserved domain in the RNA polymerase-containing protein of all nidoviruses
Published in Nucleic acids research (30-09-2015)“…RNA viruses encode an RNA-dependent RNA polymerase (RdRp) that catalyzes the synthesis of their RNA(s). In the case of positive-stranded RNA viruses belonging…”
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Gcn5 and Esa1 function as histone crotonyltransferases to regulate crotonylation-dependent transcription
Published in The Journal of biological chemistry (27-12-2019)“…Histone post-translational modifications (PTMs) are critical for processes such as transcription. The more notable among these are the nonacetyl histone lysine…”
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Carbamylation and antibodies against carbamylated proteins in autoimmunity and other pathologies
Published in Autoimmunity reviews (01-03-2014)“…Abstract Carbamylation is a non-enzymatic post-translational modification in which cyanate binds to molecules containing primary amine or thiol groups and…”
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N-terminal acetylation can stabilize proteins independent of their ubiquitination
Published in Scientific reports (01-04-2023)“…The majority of proteins in mammalian cells are modified by covalent attachment of an acetyl-group to the N-terminus (Nt-acetylation). Paradoxically,…”
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Extensive glycosylation of ACPA-IgG variable domains modulates binding to citrullinated antigens in rheumatoid arthritis
Published in Annals of the rheumatic diseases (01-03-2016)“…To understand the molecular features distinguishing anti-citrullinated protein antibodies (ACPA) from 'conventional' antibodies in rheumatoid arthritis (RA)…”
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Development of a DUB-selective fluorogenic substrate
Published in Chemical science (Cambridge) (28-11-2019)“…Ubiquitination is a post-translational modification that is involved in a plethora of cellular processes. Target proteins can be specifically modified with a…”
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Site-Specific Glycosylation Mapping of Fc Gamma Receptor IIIb from Neutrophils of Individual Healthy Donors
Published in Analytical chemistry (Washington) (06-10-2020)“…Fc gamma receptors (FcγRs) translate antigen recognition by immunoglobulin G (IgG) into various immune responses. A better understanding of this key element of…”
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first step of peptide selection in antigen presentation by MHC class I molecules
Published in Proceedings of the National Academy of Sciences - PNAS (03-02-2015)“…Significance MHC class I molecules select and present a limited set of peptides from a broad repertoire provided by TAP. How MHC class I makes this selection…”
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A flexible MHC class I multimer loading system for large-scale detection of antigen-specific T cells
Published in The Journal of experimental medicine (07-05-2018)“…Adaptive immunity is initiated by T cell recognition of specific antigens presented by major histocompatibility complexes (MHCs). MHC multimer technology has…”
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Proinsulin degradation and presentation of a proinsulin B-chain autoantigen involves ER-associated protein degradation (ERAD)-enzyme UBE2G2
Published in PloS one (24-05-2024)“…Type 1 diabetes (T1D) is characterized by HLA class I-mediated presentation of autoantigens on the surface of pancreatic β-cells. Recognition of these…”
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Human VAPome Analysis Reveals MOSPD1 and MOSPD3 as Membrane Contact Site Proteins Interacting with FFAT-Related FFNT Motifs
Published in Cell reports (Cambridge) (08-12-2020)“…Membrane contact sites (MCS) are intracellular regions where two organelles come closer to exchange information and material. The majority of the endoplasmic…”
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The tumor suppressor MIR139 is silenced by POLR2M to promote AML oncogenesis
Published in Leukemia (01-03-2022)“…MIR139 is a tumor suppressor and is commonly silenced in acute myeloid leukemia (AML). However, the tumor-suppressing activities of miR-139 and molecular…”
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Different classes of anti-modified protein antibodies are induced on exposure to antigens expressing only one type of modification
Published in Annals of the rheumatic diseases (01-07-2019)“…Autoantibodies against post-translationally modified proteins (anti-modified protein antibodies or AMPAs) are a hallmark of rheumatoid arthritis (RA). A…”
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Virus-Associated CD8 + T-Cells Are Not Activated Through Antigen-Mediated Interaction Inside Atherosclerotic Lesions
Published in Arteriosclerosis, thrombosis, and vascular biology (01-06-2024)“…Viral infections have been associated with the progression of atherosclerosis and CD8 T-cells directed against common viruses, such as influenza, Epstein-Barr…”
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Retinal Proteomics of a Mouse Model of Dystroglycanopathies Reveals Molecular Alterations in Photoreceptors
Published in Journal of proteome research (04-06-2021)“…Mutations in the POMT1 gene, encoding a protein O-mannosyltransferase essential for α-dystroglycan (α-DG) glycosylation, are frequently observed in a group of…”
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RNF26 binds perinuclear vimentin filaments to integrate ER and endolysosomal responses to proteotoxic stress
Published in The EMBO journal (18-09-2023)“…Proteotoxic stress causes profound endoplasmic reticulum (ER) membrane remodeling into a perinuclear quality control compartment (ERQC) for the degradation of…”
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Epigenetics Identifier screens reveal regulators of chromatin acylation and limited specificity of acylation antibodies
Published in Scientific reports (17-06-2021)“…The collection of known posttranslational modifications (PTMs) has expanded rapidly with the identification of various non-acetyl histone lysine acylations,…”
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