The <i>Solo</i> Play of <i>TERT</i> Promoter Mutations

The reactivation of telomerase reverse transcriptase (TERT) protein is the principal mechanism of telomere maintenance in cancer cells. Mutations in the <i>TERT</i> promoter (<i>TERTp</i>) are a common mechanism of TERT reactivation in many solid cancers, particularly those o...

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Main Authors: François Hafezi, Danielle Perez Bercoff
Format: Article
Language:English
Published: MDPI AG 2020-03-01
Series:Cells
Subjects:
Online Access:https://www.mdpi.com/2073-4409/9/3/749
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author François Hafezi
Danielle Perez Bercoff
author_facet François Hafezi
Danielle Perez Bercoff
author_sort François Hafezi
collection DOAJ
description The reactivation of telomerase reverse transcriptase (TERT) protein is the principal mechanism of telomere maintenance in cancer cells. Mutations in the <i>TERT</i> promoter (<i>TERTp</i>) are a common mechanism of TERT reactivation in many solid cancers, particularly those originating from slow-replicating tissues. They are associated with increased TERT levels, telomere stabilization, and cell immortalization and proliferation. Much effort has been invested in recent years in characterizing their prevalence in different cancers and their potential as biomarkers for tumor stratification, as well as assessing their molecular mechanism of action, but much remains to be understood. Notably, they appear late in cell transformation and are mutually exclusive with each other as well as with other telomere maintenance mechanisms, indicative of overlapping selective advantages and of a strict regulation of TERT expression levels. In this review, we summarized the latest literature on the role and prevalence of <i>TERTp</i> mutations across different cancer types, highlighting their biased distribution. We then discussed the need to maintain TERT levels at sufficient levels to immortalize cells and promote proliferation while remaining within cell sustainability levels. A better understanding of <i>TERT</i> regulation is crucial when considering its use as a possible target in antitumor strategies.
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spelling doaj.art-34fbb311b8c44f1e834da0add448bb942023-09-02T22:59:11ZengMDPI AGCells2073-44092020-03-019374910.3390/cells9030749cells9030749The <i>Solo</i> Play of <i>TERT</i> Promoter MutationsFrançois Hafezi0Danielle Perez Bercoff1Department of Infection and Immunity, Luxembourg Institute of Health, 29, rue Henri Koch, L-4354 Esch-sur-Alzette, LuxembourgDepartment of Infection and Immunity, Luxembourg Institute of Health, 29, rue Henri Koch, L-4354 Esch-sur-Alzette, LuxembourgThe reactivation of telomerase reverse transcriptase (TERT) protein is the principal mechanism of telomere maintenance in cancer cells. Mutations in the <i>TERT</i> promoter (<i>TERTp</i>) are a common mechanism of TERT reactivation in many solid cancers, particularly those originating from slow-replicating tissues. They are associated with increased TERT levels, telomere stabilization, and cell immortalization and proliferation. Much effort has been invested in recent years in characterizing their prevalence in different cancers and their potential as biomarkers for tumor stratification, as well as assessing their molecular mechanism of action, but much remains to be understood. Notably, they appear late in cell transformation and are mutually exclusive with each other as well as with other telomere maintenance mechanisms, indicative of overlapping selective advantages and of a strict regulation of TERT expression levels. In this review, we summarized the latest literature on the role and prevalence of <i>TERTp</i> mutations across different cancer types, highlighting their biased distribution. We then discussed the need to maintain TERT levels at sufficient levels to immortalize cells and promote proliferation while remaining within cell sustainability levels. A better understanding of <i>TERT</i> regulation is crucial when considering its use as a possible target in antitumor strategies.https://www.mdpi.com/2073-4409/9/3/749<i>tert</i> promoter mutationstelomerasecell immortalizationgbm/gliomamelanomathyroid cancerapobec mutationsuv mutations
spellingShingle François Hafezi
Danielle Perez Bercoff
The <i>Solo</i> Play of <i>TERT</i> Promoter Mutations
Cells
<i>tert</i> promoter mutations
telomerase
cell immortalization
gbm/glioma
melanoma
thyroid cancer
apobec mutations
uv mutations
title The <i>Solo</i> Play of <i>TERT</i> Promoter Mutations
title_full The <i>Solo</i> Play of <i>TERT</i> Promoter Mutations
title_fullStr The <i>Solo</i> Play of <i>TERT</i> Promoter Mutations
title_full_unstemmed The <i>Solo</i> Play of <i>TERT</i> Promoter Mutations
title_short The <i>Solo</i> Play of <i>TERT</i> Promoter Mutations
title_sort i solo i play of i tert i promoter mutations
topic <i>tert</i> promoter mutations
telomerase
cell immortalization
gbm/glioma
melanoma
thyroid cancer
apobec mutations
uv mutations
url https://www.mdpi.com/2073-4409/9/3/749
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