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Published in: Journal of Translational Medicine 1/2021

Open Access 01-12-2021 | Review

Extrachromosomal circular DNA: a new potential role in cancer progression

Authors: Tianyi Wang, Haijian Zhang, Youlang Zhou, Jiahai Shi

Published in: Journal of Translational Medicine | Issue 1/2021

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Abstract

Extrachromosomal circular DNA (eccDNA) is considered a circular DNA molecule that exists widely in nature and is independent of conventional chromosomes. eccDNA can be divided into small polydispersed circular DNA (spcDNA), telomeric circles (t-circles), microDNA, and extrachromosomal DNA (ecDNA) according to its size and sequence. Multiple studies have shown that eccDNA is the product of genomic instability, has rich and important biological functions, and is involved in the occurrence of many diseases, including cancer. In this review, we focus on the discovery history, formation process, characteristics, and physiological functions of eccDNAs; the potential functions of various eccDNAs in human cancer; and the research methods employed to study eccDNA.
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Metadata
Title
Extrachromosomal circular DNA: a new potential role in cancer progression
Authors
Tianyi Wang
Haijian Zhang
Youlang Zhou
Jiahai Shi
Publication date
01-12-2021
Publisher
BioMed Central
Published in
Journal of Translational Medicine / Issue 1/2021
Electronic ISSN: 1479-5876
DOI
https://doi.org/10.1186/s12967-021-02927-x

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