2020
DOI: 10.3803/enm.2020.35.2.443
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Mechanisms of the Impact of Hashimoto Thyroiditis on Papillary Thyroid Carcinoma Progression: Relationship with the Tumor Immune Microenvironment

Abstract: Background: The relationship between Hashimoto thyroiditis (HT) and papillary thyroid carcinoma (PTC) remains uncertain. We assessed the impact of HT on the tumor immune microenvironment (TIME) in PTC. Methods: Thirty patients with PTC (group 1) and 30 patients with PTC and HT (group 2) were enrolled in this pilot study. The distribution and number of CD8+ lymphocytes, plasma cells (CD138+), regulatory T cells (forkhead box P3 [FOXP3+)], mast cell tryptase (MCT+), and M2 macrophages (CD163+) were evaluated. To… Show more

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Cited by 16 publications
(11 citation statements)
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“…[11][12][13] This association is appealing and rational because the mechanism may be related to lymphocyte infiltration caused by HT and facilitating antitumor immunity. 14,15 However, relevant evidence is lacking because no association was found in most multivariate analyses. 16,17 These conflicting findings may, in part, be attributable to different diagnostic criteria used for HT, low PTC recurrence rates or PTC-related mortality rates, and insufficient study sample size.…”
Section: Introductionmentioning
confidence: 99%
“…[11][12][13] This association is appealing and rational because the mechanism may be related to lymphocyte infiltration caused by HT and facilitating antitumor immunity. 14,15 However, relevant evidence is lacking because no association was found in most multivariate analyses. 16,17 These conflicting findings may, in part, be attributable to different diagnostic criteria used for HT, low PTC recurrence rates or PTC-related mortality rates, and insufficient study sample size.…”
Section: Introductionmentioning
confidence: 99%
“…Signal transducer and activator of transcription 6 (STAT6) is significantly positively associated with immune infiltration of B cells, CD4 T cells, neutrophils, macrophages and dendritic cells of thyroid cancer (35). The abnormalities of CD8 cells and CD163 cells in the tumor microenvironment are related to the progression of PTC (36). The frequency of thyroperoxidase (TPO)-and thyroglobulin (Tg)-specific CD8 T cells in PTC patients is largely increased compared with healthy controls (37,38).…”
Section: Discussionmentioning
confidence: 99%
“…Закономірно, що щільність інфільтрації пухлин CD8 + -лімфоцитами, позитивно корелює з виживаністю хворих на РГ [8,11]. Однак їх наявність не виключає можливість імуносупресії, що за умов метаболічного репрограмування може здійснюватися різними способами, в тому числі за рахунок активації Т-регуляторних лімфоцитів (Treg) [12][13][14]. Нині мало відомо про вплив ЛФР на параметри імунного мікрооточення та вираженість ПКК гортані CD8 + -та Treg-клітинами.…”
Section: вступunclassified
“…[11,16,18]. Ці субпопуляції клітин взаємодіють між собою, а також з пухлинними клітинами через складні комунікаційні мережі, що включають широкий спектр цитокінів, хемокінів, факторів росту і компонентів позаклітинного матриксу [8,14]. Інфільтрація пухлини різними популяціями лімфоцитів є одним з найбільш інформативних прогностичних параметрів [2].…”
Section: результати та їх обговоренняunclassified
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