Immune cells in thyroid adenoma and carcinoma: uncovering a hidden value of assessing tumor-host interplay and its potential application in thyroid cytopathology

IntroductionAlthough the role of tumor immune microenvironment (TIME) in thyroid cancer is well established, little data exists about the differences in immune cell presence in thyroid adenomas and carcinomas. We assume that immune cell density could be an additional diagnostic criterion for differe...

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Main Authors: Iryna Omelianenko, Nazarii Kobyliak, Tetyana Falalyeyeva, Oleksii Seleznov, Pavlina Botsun, Lyudmila Ostapchenko, Oleksandr Korotkyi, Liudmyla Domylivska, Olena Tsyryuk, Galyna Mykhalchyshyn, Tetiana Shapochka, Oksana Sulaieva
Format: Article
Language:English
Published: Frontiers Media S.A. 2025-01-01
Series:Frontiers in Molecular Biosciences
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Online Access:https://www.frontiersin.org/articles/10.3389/fmolb.2025.1542821/full
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author Iryna Omelianenko
Iryna Omelianenko
Nazarii Kobyliak
Nazarii Kobyliak
Tetyana Falalyeyeva
Tetyana Falalyeyeva
Oleksii Seleznov
Pavlina Botsun
Lyudmila Ostapchenko
Oleksandr Korotkyi
Liudmyla Domylivska
Olena Tsyryuk
Galyna Mykhalchyshyn
Tetiana Shapochka
Oksana Sulaieva
Oksana Sulaieva
author_facet Iryna Omelianenko
Iryna Omelianenko
Nazarii Kobyliak
Nazarii Kobyliak
Tetyana Falalyeyeva
Tetyana Falalyeyeva
Oleksii Seleznov
Pavlina Botsun
Lyudmila Ostapchenko
Oleksandr Korotkyi
Liudmyla Domylivska
Olena Tsyryuk
Galyna Mykhalchyshyn
Tetiana Shapochka
Oksana Sulaieva
Oksana Sulaieva
author_sort Iryna Omelianenko
collection DOAJ
description IntroductionAlthough the role of tumor immune microenvironment (TIME) in thyroid cancer is well established, little data exists about the differences in immune cell presence in thyroid adenomas and carcinomas. We assume that immune cell density could be an additional diagnostic criterion for differentiating benign and malignant tumors in thyroid aspirates.AimThe current study compared the immune contexture of thyroid adenoma (TA) and thyroid carcinoma (TC) in histological and cytological specimens of III-V categories.Materials and methodsThis pilot study included 72 cases (36 of TA and 36 of TC) with verified histological diagnosis and pre-operative cytology corresponding to categories III, IV and V according to the Bethesda system for reporting thyroid cytology. The number of CD8+, CD68+ and CD163+ cells was assessed in histological samples of TA and TC with further comparison to cytological specimens. Besides, the expression of STAT6 and SMAD4 as potential regulators of TIME was evaluated in the study.ResultsTC demonstrated an immune-rich profile representing abundant tumor-associated CD8+ lymphocytes, CD68 and CD163+ macrophages. In contrast, TA represented mostly a low immune cell infiltration. The higher immunogenicity of TC was accompanied by the more profound expression of STAT6 and SMAD4 in tumor cells. The number of immune cells in cytological specimens correlated with CD8+ (r = 0.693; p < 0.001) and CD163+ cells (r = 0.559; p < 0.001) in histological samples, reflecting the differences in the tumor immune microenvironment between benign and malignant thyroid neoplasms.ConclusionTC demonstrated high immunogenicity compared to TA, which correlated to the number of immune cells in cytological specimens. The number of immune cells in thyroid cytology samples could be an additional criterion in cytological diagnostics for III-V Bethesda categories. Further investigations are needed to validate the findings of the study.
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spelling doaj-art-9f46006e16274a87abfb23a1aa97770b2025-01-28T05:10:35ZengFrontiers Media S.A.Frontiers in Molecular Biosciences2296-889X2025-01-011210.3389/fmolb.2025.15428211542821Immune cells in thyroid adenoma and carcinoma: uncovering a hidden value of assessing tumor-host interplay and its potential application in thyroid cytopathologyIryna Omelianenko0Iryna Omelianenko1Nazarii Kobyliak2Nazarii Kobyliak3Tetyana Falalyeyeva4Tetyana Falalyeyeva5Oleksii Seleznov6Pavlina Botsun7Lyudmila Ostapchenko8Oleksandr Korotkyi9Liudmyla Domylivska10Olena Tsyryuk11Galyna Mykhalchyshyn12Tetiana Shapochka13Oksana Sulaieva14Oksana Sulaieva15Medical Laboratory CSD, Pathology Department, Kyiv, UkraineEducational-Scientific Center “Institute of Biology and Medicine” Taras Shevchenko National University of Kyiv, Kyiv, UkraineMedical Laboratory CSD, Pathology Department, Kyiv, UkraineEndocrinology Department, Bogomolets National Medical University, Kyiv, UkraineMedical Laboratory CSD, Pathology Department, Kyiv, UkraineEducational-Scientific Center “Institute of Biology and Medicine” Taras Shevchenko National University of Kyiv, Kyiv, UkraineMedical Laboratory CSD, Pathology Department, Kyiv, UkraineMedical Laboratory CSD, Pathology Department, Kyiv, UkraineEducational-Scientific Center “Institute of Biology and Medicine” Taras Shevchenko National University of Kyiv, Kyiv, UkraineEducational-Scientific Center “Institute of Biology and Medicine” Taras Shevchenko National University of Kyiv, Kyiv, UkraineEducational-Scientific Center “Institute of Biology and Medicine” Taras Shevchenko National University of Kyiv, Kyiv, UkraineEducational-Scientific Center “Institute of Biology and Medicine” Taras Shevchenko National University of Kyiv, Kyiv, UkraineEndocrinology Department, Bogomolets National Medical University, Kyiv, UkraineMedical Laboratory CSD, Pathology Department, Kyiv, UkraineMedical Laboratory CSD, Pathology Department, Kyiv, UkrainePathology Department, Kyiv Medical University, Kyiv, UkraineIntroductionAlthough the role of tumor immune microenvironment (TIME) in thyroid cancer is well established, little data exists about the differences in immune cell presence in thyroid adenomas and carcinomas. We assume that immune cell density could be an additional diagnostic criterion for differentiating benign and malignant tumors in thyroid aspirates.AimThe current study compared the immune contexture of thyroid adenoma (TA) and thyroid carcinoma (TC) in histological and cytological specimens of III-V categories.Materials and methodsThis pilot study included 72 cases (36 of TA and 36 of TC) with verified histological diagnosis and pre-operative cytology corresponding to categories III, IV and V according to the Bethesda system for reporting thyroid cytology. The number of CD8+, CD68+ and CD163+ cells was assessed in histological samples of TA and TC with further comparison to cytological specimens. Besides, the expression of STAT6 and SMAD4 as potential regulators of TIME was evaluated in the study.ResultsTC demonstrated an immune-rich profile representing abundant tumor-associated CD8+ lymphocytes, CD68 and CD163+ macrophages. In contrast, TA represented mostly a low immune cell infiltration. The higher immunogenicity of TC was accompanied by the more profound expression of STAT6 and SMAD4 in tumor cells. The number of immune cells in cytological specimens correlated with CD8+ (r = 0.693; p < 0.001) and CD163+ cells (r = 0.559; p < 0.001) in histological samples, reflecting the differences in the tumor immune microenvironment between benign and malignant thyroid neoplasms.ConclusionTC demonstrated high immunogenicity compared to TA, which correlated to the number of immune cells in cytological specimens. The number of immune cells in thyroid cytology samples could be an additional criterion in cytological diagnostics for III-V Bethesda categories. Further investigations are needed to validate the findings of the study.https://www.frontiersin.org/articles/10.3389/fmolb.2025.1542821/fullthyroid cancerimmune cellsimmune microenvironmentthyroid adenomapapilary thyroid carcinoma
spellingShingle Iryna Omelianenko
Iryna Omelianenko
Nazarii Kobyliak
Nazarii Kobyliak
Tetyana Falalyeyeva
Tetyana Falalyeyeva
Oleksii Seleznov
Pavlina Botsun
Lyudmila Ostapchenko
Oleksandr Korotkyi
Liudmyla Domylivska
Olena Tsyryuk
Galyna Mykhalchyshyn
Tetiana Shapochka
Oksana Sulaieva
Oksana Sulaieva
Immune cells in thyroid adenoma and carcinoma: uncovering a hidden value of assessing tumor-host interplay and its potential application in thyroid cytopathology
Frontiers in Molecular Biosciences
thyroid cancer
immune cells
immune microenvironment
thyroid adenoma
papilary thyroid carcinoma
title Immune cells in thyroid adenoma and carcinoma: uncovering a hidden value of assessing tumor-host interplay and its potential application in thyroid cytopathology
title_full Immune cells in thyroid adenoma and carcinoma: uncovering a hidden value of assessing tumor-host interplay and its potential application in thyroid cytopathology
title_fullStr Immune cells in thyroid adenoma and carcinoma: uncovering a hidden value of assessing tumor-host interplay and its potential application in thyroid cytopathology
title_full_unstemmed Immune cells in thyroid adenoma and carcinoma: uncovering a hidden value of assessing tumor-host interplay and its potential application in thyroid cytopathology
title_short Immune cells in thyroid adenoma and carcinoma: uncovering a hidden value of assessing tumor-host interplay and its potential application in thyroid cytopathology
title_sort immune cells in thyroid adenoma and carcinoma uncovering a hidden value of assessing tumor host interplay and its potential application in thyroid cytopathology
topic thyroid cancer
immune cells
immune microenvironment
thyroid adenoma
papilary thyroid carcinoma
url https://www.frontiersin.org/articles/10.3389/fmolb.2025.1542821/full
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