Results 21 to 30 of about 6,340 (217)

Autophagy generates citrullinated peptides in human synoviocytes: a possible trigger for anti-citrullinated peptide antibodies [PDF]

open access: yesRheumatology, 2016
Autophagy may represent a functional processing event that creates a substrate for autoreactivity. In particular, autophagy may play a role in the pathogenesis of RA, since autophagy is a key cellular event involved in the generation of citrullinated peptides, with consequent breakage of tolerance.
SORICE, Maurizio   +11 more
openaire   +2 more sources

PAD4 Immunization Triggers Anti-Citrullinated Peptide Antibodies in Normal Mice: Analysis With Peptide Arrays

open access: yesFrontiers in Immunology, 2022
The critical immunological event in rheumatoid arthritis (RA) is the production of antibodies to citrullinated proteins (ACPAs), ie proteins on which arginines have been transformed into citrullines by peptidyl arginine deiminases (PAD).
Marie F. Hemon   +6 more
doaj   +1 more source

Tolerogenic citrullinated peptide for arthritis

open access: yesOncotarget, 2015
Disease-specific autoantibodies directed against post-translation citrullinated proteins/peptides (ACPAs) are specific serological markers for rheumatoid arthritis (RA) and have been accepted as one of the classification criteria for the disease. Beyond diagnosis these autoantibodies have also been shown also to predict disease severity.
Smadar, Gertel   +2 more
openaire   +2 more sources

Collision-Induced Dissociation of Citrullinated Peptide Anions

open access: yesJournal of the American Society for Mass Spectrometry, 2023
Peptide identification by positive electrospray ionization (ES+) tandem mass spectrometry (MS/MS) is a well-established strategy in proteomics. Several research groups reported the usefulness of negative electrospray ionization (ES-) for gaining complementary structural information on peptides and their post-translational modifications (PTM) compared ...
Arnold Steckel   +3 more
openaire   +2 more sources

Brain Citrullination Patterns and T Cell Reactivity of Cerebrospinal Fluid-Derived CD4+ T Cells in Multiple Sclerosis

open access: yesFrontiers in Immunology, 2019
Immune responses to citrullinated peptides have been described in autoimmune diseases like rheumatoid arthritis (RA) and multiple sclerosis (MS). We investigated the post-translational modification (PTM), arginine to citrulline, in brain tissue of MS ...
Wolfgang Faigle   +11 more
doaj   +1 more source

Citrullinated glucose-regulated protein 78 is a candidate target for melanoma immunotherapy

open access: yesFrontiers in Immunology, 2022
IntroductionPost translational modification of proteins plays a significant role in immune recognition. In particular the modification of arginine to citrulline which is mediated by PAD enzymes is increased during cellular stress (autophagy) which ...
Victoria Anne Brentville   +15 more
doaj   +1 more source

A technique for the specific enrichment of citrulline-containing peptides [PDF]

open access: yesAnalytical Biochemistry, 2010
Protein citrullination results from enzymatic deimination of peptidylarginine and plays an important role in health and disease. Despite increasing scientific interest, the identity and function of citrullinated proteins in vivo remain widely unknown.
Astrid E V, Tutturen   +5 more
openaire   +2 more sources

Citrullination only infrequently impacts peptide binding to HLA class II MHC. [PDF]

open access: yesPLoS ONE, 2017
It has been hypothesized that HLA class II alleles associated with rheumatoid arthritis (RA) preferentially present self-antigens altered by post-translational modification, such as citrullination.
John Sidney   +11 more
doaj   +1 more source

Antibodies to a Citrullinated Porphyromonas gingivalis Epitope Are Increased in Early Rheumatoid Arthritis, and Can Be Produced by Gingival Tissue B Cells: Implications for a Bacterial Origin in RA Etiology

open access: yesFrontiers in Immunology, 2022
Based on the epidemiological link between periodontitis and rheumatoid arthritis (RA), and the unique feature of the periodontal bacterium Porphyromonas gingivalis to citrullinate proteins, it has been suggested that production of anti-citrullinated ...
Natalia Sherina   +36 more
doaj   +1 more source

Oligonucleotide-Peptide Conjugates: Solid-Phase Synthesis under Acidic Conditions and Use in ELISA Assays

open access: yesMolecules, 2012
Here we used solid-phase methods to prepare oligonucleotides carrying fibrin/ filaggrin citrullinated peptides. Post-synthetic conjugation protocols were successfully applied for the synthesis of oligonucleotides carrying small peptides.
Ramon Eritja   +4 more
doaj   +1 more source

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