{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,2]],"date-time":"2026-10-02T00:49:07Z","timestamp":1790902147112,"version":"4.1.0"},"reference-count":26,"publisher":"Oxford University Press (OUP)","issue":"8","license":[{"start":{"date-parts":[[2004,4,1]],"date-time":"2004-04-01T00:00:00Z","timestamp":1080777600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/pages\/standard-publication-reuse-rights"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2004,4,15]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:p>Juvenile dermatomyositis (JDM) is a multisystem autoimmune disease that at times resembles chronic graft-vs-host disease. This led us to suggest that nonself cells may play a role in the disease process. In this study we examined the relationship between HLA genotype and the presence of maternally derived chimeric cells in JDM patients and healthy controls, and assessed immunologic activity in the chimeric cells. We identified chimeric cells more often in children with JDM (60 of 72) than in their unaffected siblings (11 of 48) or in healthy controls (5 of 29). The presence of chimerism in the JDM patients, their healthy siblings, and unaffected control children was associated with a HLA-DQA1*0501 allele in the mother (p = 0.011). Further, we show that maternally transferred chimeric T cells are responsive to the host\u2019s (JDM childs\u2019) lymphocytes (33.75 \u00b1 8.4 IFN-\u03b3-producing cells from JDM cells vs 5.0 \u00b1 1.25 from maternal cells), and that this is a memory response. These combined data indicate that chimeric cells play a direct role in the JDM disease process and that the mother\u2019s HLA genotype facilitates the transfer and\/or persistence of maternal cells in the fetal circulation.<\/jats:p>","DOI":"10.4049\/jimmunol.172.8.5041","type":"journal-article","created":{"date-parts":[[2014,4,21]],"date-time":"2014-04-21T00:28:21Z","timestamp":1398040101000},"page":"5041-5046","source":"Crossref","is-referenced-by-count":84,"title":["Does HLA-Dependent Chimerism Underlie the Pathogenesis of Juvenile Dermatomyositis?"],"prefix":"10.1093","volume":"172","author":[{"given":"Ann M","family":"Reed","sequence":"first","affiliation":[{"name":"Division of Rheumatology, Departments of Medicine and Pediatrics, Mayo Clinic and Medical School , Rochester, MN 55905"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kelly","family":"McNallan","sequence":"additional","affiliation":[{"name":"Division of Rheumatology, Departments of Medicine and Pediatrics, Mayo Clinic and Medical School , Rochester, MN 55905"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Peter","family":"Wettstein","sequence":"additional","affiliation":[{"name":"Department of Immunology, Mayo Clinic and Medical School , Rochester, MN 55905"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Richard","family":"Vehe","sequence":"additional","affiliation":[{"name":"Division of Pediatric Rheumatology, University of Minnesota , Minneapolis, MN 55455"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Carole","family":"Ober","sequence":"additional","affiliation":[{"name":"Department of Human Genetics, University of Chicago , Chicago IL 60637"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"286","published-online":{"date-parts":[[2004,4,15]]},"reference":[{"key":"2025032708032319300_R1","first-page":"605","volume-title":"Br. 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