RETROVIRUS-LIKE SEQUENCES IN GRAVES' DISEASE: IMPLICATIONS FOR HUMAN AUTOIMMUNITY

Anna Ciampolillo, Rita Mirakian, Thomas Schulz, Vittoria Marini, Massimo Buscema, Ricardo Pujol-Borrell, Gian Franco Bottazzo

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    99 Citations (Scopus)

    Abstract

    On Southern blotting of DNA extracted from thyroid glands of five patients with Graves' disease, two probes (720 bp and 942 bp) for gaghuman immunodeficiency virus type 1 (HIV-1) gave a positive hybridisation signal in all samples tested. DNAs from peripheral blood mononuclear cells hybridised with the 720 bp gag HIV-1 probe in three of the five patients, none of whom had antibodies to HIV-1. Negative results were obtained with DNA from normal thyroid glands, thyroid neoplasms, various unrelated normal tissues, and virus-infected human cell lines. The intensity of the signal and the pattern of bands observed with the DNA of Graves' patients were heterogeneous and, in general, were not the same in the thyroid glands and peripheral blood mononuclear cells of individual patients. Similarly, no correlation was found between the positive hybridisation signals and other genetic and immunological indices or the duration of anti-thyroid drug treatment at the time the patients were investigated. The findings suggest the presence of a novel retrovirus, and the retrovirus-like sequences seem to be closely associated with thyroid autoimmunity. © 1989.
    Original languageEnglish
    Pages (from-to)1096-1100
    JournalThe Lancet
    Volume333
    Issue number8647
    DOIs
    Publication statusPublished - 20 May 1989

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