1998
DOI: 10.1080/07435809809135535
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Serial analysis of circulating t gamma/delta lymphocyte subpopulations in graves' disease

Abstract: In the present paper the distribution of peripheral blood T gamma/delta lymphocytes in Graves' disease patients is analyzed in order to correlate them with disease activity and with prognosis. Eighteen patients with Graves' disease, 24 patients with Hashimoto's thyroiditis and 32 sex- and age-matched healthy control subjects were studied. Peripheral blood CD3+ alpha/beta and gamma/delta T lymphocytes as well as CD4+ and CD8+ T cells, and CD19 (B) lymphocytes were analyzed by cytofluorometry. At diagnosis, pati… Show more

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Cited by 4 publications
(4 citation statements)
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“…In addition, some authors underline that this finding does not relate to thyroid hormone concentrations and does not normalize after methimazole or radical therapy of GD. 37 It is interesting that other investigators have found a higher proportion of TCRγδ+ cells among the thyroid gland-infiltrating lymphocytes in GD, 38 as well as in affected organs in other autoimmune diseases. 39 The TTM-subgroup showed decreased B-lymphocytes: of note, all TTM patients were receiving high dose-replacement therapy with levothyroxine and presented with subclinical iatrogenic hyperthyroidism.…”
Section: Discussionmentioning
confidence: 97%
“…In addition, some authors underline that this finding does not relate to thyroid hormone concentrations and does not normalize after methimazole or radical therapy of GD. 37 It is interesting that other investigators have found a higher proportion of TCRγδ+ cells among the thyroid gland-infiltrating lymphocytes in GD, 38 as well as in affected organs in other autoimmune diseases. 39 The TTM-subgroup showed decreased B-lymphocytes: of note, all TTM patients were receiving high dose-replacement therapy with levothyroxine and presented with subclinical iatrogenic hyperthyroidism.…”
Section: Discussionmentioning
confidence: 97%
“…In the patients with untreated GD, we found a negative correlation between free thyroxine concentration in blood serum and the percentages of CD16/56 (CD3Ϫ) and ␥␦ T cells (r ϭ Ϫ0.5, p Ͻ 0.035; r ϭ Ϫ0. 4, p Ͻ 0.02). No such correlation was detected in patients with NTNG.…”
mentioning
confidence: 93%
“…Graves' disease (GD) is an autoimmune thyroid disease (AITD) characterized by the production of thyroid autoantibodies against the TSH receptor, symporter Na ϩ / Ϫ , thyroglobulin or thyroperoxidase antigen, and lymphocytic infiltration of the thyroid gland (1,2). The immune cells [lymphocytes ␥␦ T-cell receptor (TCR), CD16/56(CD3ϩ), and natural killer (NK) cells] may play a pivotal role in the development of AITD (3)(4)(5).…”
mentioning
confidence: 99%
“…Το μειωμένο αυτό ποσοστό δεν επανήλθε σε φυσιολογικά επίπεδα μετά από αγωγή με μεθιμαζόλη ή ριζική θεραπεία. Σύμφωνα με τη μελέτη αυτή η ελάττωση των Τγδ και η αύξηση των Β λεμφοκυττάρων θα μπορούσαν να χρησιμοποιηθούν ως προγνωστικοί δείκτες της νόσου (Sasián et al, 1998). Παράλληλα η αυξημένη ικανότητα σύνθεσης αντισωμάτων και η ελαττωμένη κυτταροτοξική λειτουργία που αντανακλώνται από τις παραπάνω μεταβολές, συνάδουν με τους παθοφυσιολογικούς μηχανισμούς στο μονοπάτι της νόσου Graves: την αντιγονική αναγνώριση ακολουθεί η παραγωγή αυτοαντισωμάτων έναντι του υποδοχέα της TSH και ο υπερθυρεοειδισμός και όχι η καταστροφή των θυρεοειδικών θυλακίων.…”
Section: β νόσος Gravesunclassified