Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:dateCreated
2004-12-2
pubmed:abstractText
Citrullinated proteins that are produced by enzymatic deimination of arginine residues in proteins by peptidylarginine deiminases (PADIs) are of particular interest in the pathogenesis of rheumatoid arthritis (RA). First, peptidylarginine deiminase type 4 (PADI4) gene, which codes one of the PADI enzyme isotypes, has a genetic variant that increases susceptibility to RA. The RA-susceptible variant of PADI4 seems to increase the risk of RA by increasing its enzymatic activity. Second, this post-translational protein modification unfolds proteins by loss of a positive charge in arginine residues, with a subsequent change in antigenicity of the self-proteins. Third, these citrullinated proteins are recognized by anti-citrullinated peptide antibodies that are the most RA-specific autoantibodies. Finally, the expression of the PADI enzyme, citrullination of proteins, and production of anti-citrullinated protein antibodies occur in synovium. These data suggest that citrullination of proteins by PADI is related to alteration of antigenicity of peptides and very closely linked to pathogenesis of RA autoimmunity.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Jan
pubmed:issn
1093-4715
pubmed:author
pubmed:issnType
Electronic
pubmed:day
1
pubmed:volume
10
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
54-64
pubmed:dateRevised
2006-11-15
pubmed:meshHeading
pubmed:year
2005
pubmed:articleTitle
Citrullinated proteins in rheumatoid arthritis.
pubmed:affiliation
Laboratory for Rheumatic Diseases, SNP Research Center, Riken, Yokohama, Japan. ryamada@src.riken.go.jp <ryamada@src.riken.go.jp>
pubmed:publicationType
Journal Article, Review