{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,28]],"date-time":"2026-03-28T05:36:55Z","timestamp":1774676215815,"version":"3.50.1"},"reference-count":33,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2005,12,9]],"date-time":"2005-12-09T00:00:00Z","timestamp":1134086400000},"content-version":"vor","delay-in-days":5670,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Arthritis &amp; Rheumatism"],"published-print":{"date-parts":[[1990,6]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Primary Sj\u00f6gren's syndrome (SS) is considered a benign autoimmune disease; it is characterized by lymphoid infiltration of salivary and lacrimal glands, often accompanied by the presence of serum autoantibodies, particularly anti\u2010Ro (SS\u2010A) and anti\u2010La (SS\u2010B). There are important immunologic similarities between primary SS and acquired immunodeficiency syndrome. To investigate for a possible immune response to retroviral proteins in primary SS, we performed immunoblotting against human immunodeficiency virus\u20101 (HIV\u20101) proteins using sera from 47 patients with primary SS. Moderate\u2010to\u2010strong reactivity, suggesting the presence of serum antibodies, was found in 14 patients (30%). Of 120 normal subjects, only 1 showed moderate positivity. All 14 positive SS sera reacted against p24 (gag) but failed to react against gp41 or gp120 (env). This response did not reflect hypergammaglobulinemia since immunoglobulin concentrations among the 29 SS patients studied were the same in sera that contained and sera that did not contain anti\u2010gag reactivity. Two sera also reacted against p17 gag. Four reacted against HIV\u20102 core proteins, but none reacted with core proteins of human T lymphotropic virus\u2010I. Only 1 of the 14 sera reacted against Ro (SS\u2010A), and 1 other reacted against La (SS\u2010B). These results identify a subset of SS patients characterized by 1) the presence of serum antibodies to HIV\u20101 group\u2010specific, but not type\u2010specific, proteins, and 2) the relative absence of anti\u2010Ro (SS\u2010A) and anti\u2010La (SS\u2010B) autoantibodies. In this latter respect, these SS patients constitute a subpopulation that resembles patients with HIV\u2010induced SS\u2010like disease.<\/jats:p>","DOI":"10.1002\/art.1780330603","type":"journal-article","created":{"date-parts":[[2007,2,14]],"date-time":"2007-02-14T23:27:36Z","timestamp":1171495656000},"page":"774-781","source":"Crossref","is-referenced-by-count":179,"title":["Detection of serum antibodies to retroviral proteins in patients with primary sj\u00f6gren's syndrome (autoimmune exocrinopathy)"],"prefix":"10.1002","volume":"33","author":[{"given":"Norman","family":"Talal","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Michael J.","family":"Dauphin\u00e9e","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Howard","family":"Dang","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Steve 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