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TERT-Regulation and Roles in Cancer Formation

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Journal Front Immunol
Date 2020 Dec 17
PMID 33329574
Citations 110
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Abstract

Telomerase reverse transcriptase (TERT) is a catalytic subunit of telomerase. Telomerase complex plays a key role in cancer formation by telomere dependent or independent mechanisms. Telomere maintenance mechanisms include complex changes such as gene amplifications, structural variants, promoter germline and somatic mutations, epigenetic changes, and alternative lengthening of telomere. All of them are cancer specific at tissue histotype and at single cell level expression is regulated in tumors multiple genetic and epigenetic alterations which affect telomerase activity. Telomerase activity expression has an impact on telomere length and can be a useful marker in diagnosis and prognosis of various cancers and a new therapy approach. In this review we want to highlight the main roles of in different mechanisms of cancer development and regulation.

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