{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,7,30]],"date-time":"2025-07-30T10:10:00Z","timestamp":1753870200343,"version":"3.41.2"},"reference-count":25,"publisher":"Oxford University Press (OUP)","issue":"3","license":[{"start":{"date-parts":[[2024,10,12]],"date-time":"2024-10-12T00:00:00Z","timestamp":1728691200000},"content-version":"vor","delay-in-days":844,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2022,9,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:sec>\n                  <jats:title>Background<\/jats:title>\n                  <jats:p>Indirect immunofluorescence (IIF) on rat bladder epithelium (RBE) has been widely used to detect anti-plakin antibodies present in paraneoplastic pemphigus (PNP). However, anti-plakin antibodies have also been found in a group of patients with pemphigus vulgaris (PV).<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Objectives<\/jats:title>\n                  <jats:p>To assess the reactivity rate of PV sera in IIF using RBE as substrate and the diagnostic usefulness of the aforementioned test.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Methods<\/jats:title>\n                  <jats:p>Patients diagnosed with PV presenting to Razi Hospital, Tehran, Iran, were recruited. The patients' demographics, disease severity, and response to the initial treatment were recorded. Sera were collected and tested by IIF on RBE and by desmoglein 3\/1 (Dsg 3\/1) enzyme-linked immunosorbent assay. Patients were followed up closely for a mean of 53.9 months for any evidence of malignancy.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Results<\/jats:title>\n                  <jats:p>Forty-six patients were enroled (mean age of 42.9 years old, 31 females). Nine sera (19.6%) showed reactivity in IIF on RBE. Mean serum anti-Dsg levels did not differ significantly among the two groups with positive and negative IIF results. Negative anti-Dsg3 was related to a higher positive rate in IIF on RBE. There was no significant correlation between the reactivity of IIF on RBE and patients' demographic, clinical, or serological characteristics.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Conclusions<\/jats:title>\n                  <jats:p>IIF on RBE is a sensitive test for detecting antibodies against plakins. However, it has a relatively high false-positive rate in PV, probably due to the epitope spreading phenomenon. This test should be suggested when there is a clinical or immunohistopathological suspicion of PNP and should be interpreted with caution.<\/jats:p>\n               <\/jats:sec>","DOI":"10.1002\/ski2.142","type":"journal-article","created":{"date-parts":[[2022,6,21]],"date-time":"2022-06-21T18:55:06Z","timestamp":1655837706000},"source":"Crossref","is-referenced-by-count":1,"title":["Indirect Immunofluorescence on Rat Bladder Epithelium in Patients with Pemphigus Vulgaris with an Extended Follow-Up"],"prefix":"10.1093","volume":"2","author":[{"given":"Mahsa","family":"Samadi","sequence":"first","affiliation":[{"name":"School of Medicine, Tehran University of Medical Sciences , Tehran ,","place":["Iran"]},{"name":"Department of Dermatology, Autoimmune Bullous Diseases Research Center, Tehran University of Medical Sciences , Tehran 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