MicroRNA regulator gene mutations in thyroid follicular nodular disease and thyroid cancer: does it all come down to timing?

In recent years, germline mutations in the microRNA (miRNA) processor genes DICER1 and DGCR8 have been coupled to the development of thyroid follicular nodular disease (TFND), thereby casting new light on the etiology of this enigmatic, benign condition in non-iodine-deficient regions. Moreover, DIC...

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Main Authors: Vincenzo Condello, C Christofer Juhlin
Format: Article
Language:English
Published: Bioscientifica 2024-12-01
Series:European Thyroid Journal
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Online Access:https://etj.bioscientifica.com/view/journals/etj/13/6/ETJ-24-0298.xml
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author Vincenzo Condello
C Christofer Juhlin
author_facet Vincenzo Condello
C Christofer Juhlin
author_sort Vincenzo Condello
collection DOAJ
description In recent years, germline mutations in the microRNA (miRNA) processor genes DICER1 and DGCR8 have been coupled to the development of thyroid follicular nodular disease (TFND), thereby casting new light on the etiology of this enigmatic, benign condition in non-iodine-deficient regions. Moreover, DICER1 and DGCR8 mutations have also been reported in rare subsets of follicular cell-derived thyroid carcinomas. Specifically, truncating germline or missense somatic DICER1 mutations have been reported in small subsets of pediatric and adolescent follicular thyroid carcinoma (FTC) and poorly differentiated thyroid carcinoma (PDTC). Similarly, a recurrent somatic mutation of the DGCR8 gene has been observed in highly aggressive FTCs and in some indolent cases of encapsulated follicular variant of papillary thyroid carcinoma. The reason why identical mutations in the same miRNA processor gene can lead to such a myriad of thyroid conditions, ranging from benign TFND to FTCs and PDTCs, remains unclear. This review highlights key features of miRNA regulator gene mutations in thyroid disease and explores their potential roles as drivers or progression events in tumor development.
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spelling doaj-art-83a3febc43ad4c3b9e223521cf34f15e2024-12-26T09:29:05ZengBioscientificaEuropean Thyroid Journal2235-08022024-12-0113610.1530/ETJ-24-02981MicroRNA regulator gene mutations in thyroid follicular nodular disease and thyroid cancer: does it all come down to timing?Vincenzo Condello0C Christofer Juhlin1Department of Oncology-Pathology, Karolinska Institutet, Stockholm, SwedenDepartment of Oncology-Pathology, Karolinska Institutet, Stockholm, SwedenIn recent years, germline mutations in the microRNA (miRNA) processor genes DICER1 and DGCR8 have been coupled to the development of thyroid follicular nodular disease (TFND), thereby casting new light on the etiology of this enigmatic, benign condition in non-iodine-deficient regions. Moreover, DICER1 and DGCR8 mutations have also been reported in rare subsets of follicular cell-derived thyroid carcinomas. Specifically, truncating germline or missense somatic DICER1 mutations have been reported in small subsets of pediatric and adolescent follicular thyroid carcinoma (FTC) and poorly differentiated thyroid carcinoma (PDTC). Similarly, a recurrent somatic mutation of the DGCR8 gene has been observed in highly aggressive FTCs and in some indolent cases of encapsulated follicular variant of papillary thyroid carcinoma. The reason why identical mutations in the same miRNA processor gene can lead to such a myriad of thyroid conditions, ranging from benign TFND to FTCs and PDTCs, remains unclear. This review highlights key features of miRNA regulator gene mutations in thyroid disease and explores their potential roles as drivers or progression events in tumor development.https://etj.bioscientifica.com/view/journals/etj/13/6/ETJ-24-0298.xmldicer1dgcr8ago2xpo5droshamicrornathyroid tumormutation
spellingShingle Vincenzo Condello
C Christofer Juhlin
MicroRNA regulator gene mutations in thyroid follicular nodular disease and thyroid cancer: does it all come down to timing?
European Thyroid Journal
dicer1
dgcr8
ago2
xpo5
drosha
microrna
thyroid tumor
mutation
title MicroRNA regulator gene mutations in thyroid follicular nodular disease and thyroid cancer: does it all come down to timing?
title_full MicroRNA regulator gene mutations in thyroid follicular nodular disease and thyroid cancer: does it all come down to timing?
title_fullStr MicroRNA regulator gene mutations in thyroid follicular nodular disease and thyroid cancer: does it all come down to timing?
title_full_unstemmed MicroRNA regulator gene mutations in thyroid follicular nodular disease and thyroid cancer: does it all come down to timing?
title_short MicroRNA regulator gene mutations in thyroid follicular nodular disease and thyroid cancer: does it all come down to timing?
title_sort microrna regulator gene mutations in thyroid follicular nodular disease and thyroid cancer does it all come down to timing
topic dicer1
dgcr8
ago2
xpo5
drosha
microrna
thyroid tumor
mutation
url https://etj.bioscientifica.com/view/journals/etj/13/6/ETJ-24-0298.xml
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