ISSN: 2476-2024

Diagnostic Pathology: Open Access
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  • Research Article   
  • Diagn Pathol Open 4: 152,
  • DOI: 10.4172/2476-2024.1000152

IL-10 restores MHC class I expression and interferes tumor immunity in papillary thyroid cancer with concomitant Hashimotos thyroiditis

Zhong-Wu Lu, Jia-Qian Hua, Li-Tao Han, Ting-Ting Zhang, Wen-Jun Wei, Yu-Long Wang, Yu Wang, Qing-Hai Ji and Tian Liao*
Department of Head and Neck Surgery, Fudan University, Shanghai,200032, China
*Corresponding Author : Tian Liao, Department of Head and Neck Surgery, Fudan University, Shanghai,200032, China, Tel: +86-021-64175590, Fax: 0086-021-64175590, Email: tian.liao@yahoo.com

Received Date: Jul 18, 2019 / Accepted Date: Aug 01, 2019 / Published Date: Aug 12, 2019

Abstract

Purpose: The incidence of papillary thyroid cancer (PTC) with concomitant Hashimoto’s thyroiditis (HT) is increasing. Interleukin-10 (IL-10) is a cytokine previously reported to be elevated in this condition. Evidence from multiple human malignancies showed IL-10 participated in tumor immunity and exhibited therapeutic potential. The aim of this study is to investigate whether IL-10 interferes tumor immunity in PTC with concomitant HT.

Method: Expression of IL-10 and major histocompatibility complex (MHC) class I were compared on PTC tissues with or without concomitant HT. PTC cell lines K1 and TPC-1 were stimulated with IL-10 and analyzed for MHC class I expression afterwards. T cell activation, production of Interleukin-2 (IL-2) and IFN-γ and programmed death-1 (PD-1) expression were assessed by coculture of donor peripheral blood lymphocytes (PBLs) with IL-10 pretreated PTC cells. Programmed death-ligand 1 (PD-L1) expression was measured in PTC tissues and IL-10 pretreated cells of K1 and TPC-1.

Results: Increased level of IL-10 and MHC class I were observed in PTC with concomitant HT. IL-10 stimulation increased MHC class I expression of PTC cells in vitro. Coculture of PBLs with IL-10 pretreated PTC cells enhanced T cell activation (%CD25+ of CD3+T cells) and increased IL-2 production along with decreased IFN-γ secretion and PD-1 expression. Reduced PD-L1 expression was seen in PTC+HT tissue samples and IL-10 stimulated PTC cell lines.

Conclusion: Elevated IL-10 expression in PTC with concomitant HT restores MHC class I expression and interferes tumor immunity. IL-10 may facility cancer immunotherapy in MHC class I reduced malignancies.

Keywords: Papillary thyroid cancer; Hashimoto’s thyroiditis; Tumor immunity; MHC Class I Molecule; Interleukin-10

Citation: Lu ZW, Hua JQ, Han LT, Zhang TT, Wei WJ, et al. (2019) IL-10 Restores MHC Class I Expression and Interferes Tumor Immunity in Papillary Thyroid Cancer with Concomitant Hashimoto’s Thyroiditis. Diagn Pathol Open 4: 152. Doi: 10.4172/2476-2024.1000152

Copyright: © 2019 Lu ZW, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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