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Differences of the Structure of Immune Regulatory Cell Populations between Cellular Material from Sonographically Detected Focal Thyroid Lesions and Peripheral Blood in Humans.

Abstract

Focal thyroid lesions are common ultrasound findings with the estimated prevalence up to 67% of the population. They form characteristically enveloped regions with individual encapsulated microenvironment that may involve the specific distribution of immune system compounds-especially antigen presenting cells (APC). We analyzed and compared the most potent APC-plasmacytoid and conventional dendritic cells (DCs) subpopulations and three monocyte subpopulations as well as other immune cells-in peripheral blood and local blood of thyroid gland obtained parallelly in patients with focal thyroid lesions using flow cytometry. The analysis revealed significant differences in the distribution of main subsets of assessed cells between peripheral blood and biopsy material. The results support the existence of local, organ-specific immune reaction control networks within thyroid nodules.

Authors: Stasiołek M, Śliwka PW, Stasiak M, Krawczyk-Rusiecka K, Skowrońska-Jóźwiak E, Adamczewski Z, Lewiński A.
Journal: Int J Mol Sci. 2019 Feb 20;20(4). pii: E918
Year: 2019
PubMed: Find in PubMed