. . . . . . . "[PAD-2 & PAD-4 are only isotypes expressed in synovial tissue in rheumatoid arthritis & other arthritides; inflammatory cells are major source, but PAD-4 also comes from hyperplastic synoviocytes; both isotypes probably involved in citrullination of fibrin]. Sentence from MEDLINE/PubMed, a database of the U.S. National Library of Medicine."@en . . . . . "2009-03-31"^^ . . "Gene-disease associations inferred from text-mining the literature."@en . "DisGeNET evidence - LITERATURE"@en . "2017-10-17T13:18:07+02:00"^^ . . . . . . . . . . . "v5.0.0.0" . "v5.0.0" .