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Updated: Jun 7, 2025

Genome-wide Purification of Extrachromosomal Circular DNA from Eukaryotic Cells
Published on: April 4, 2016
Spotlight on the function and trends on extrachromosomal circular DNA (eccDNA): A bibliometric analysis from 2008 -
1Zhuhai Jingyuan Biomedical Technology Co., LTD, Zhuhai, Guangdong, 519000, People's Republic of China.
Abstract:
Extrachromosomal circular DNA (eccDNA),a type of circular DNA that has a nucleosomal structure, is widely distributed in eukaryotic chromosomes and has been found to modulate genome instability and plasticity, playing a role in regulating gene expression and genome evolution. To comprehensively outline the stages of eccDNA research development, including author collaborations, research topics and hotspots, and their temporal evolution trends, we conducted a bibliometric analysis of 242 publications related to eccDNA research published from 2008 to 2023 in the Web of Science Core Collection. The bibliometric analysis was performed using CiteSpace, the R package Bibliometrix, and VOSviewer. The USA, the University of California system, and Turner Km were found to be the most influential nation, organization, and author in this field, respectively. The exploration of Characterization and Diagnosis, Heterochromatin,Circ-Seq and Cancer Drug Resistance on eccDNA are the most concerned hotspots. EccDNA research has become a rapidly growing hotspot, receiving extensive attention from scholars in recent years. This study is the first to investigate the development and current challenges of eccDNA research through bibliometric analysis.The research on eccDNA has advanced from disorder to more intricate molecular functions. At present, the rapid growth of eccDNA studies in cancer has not been accompanied by an intuitive analysis of its evolutionary patterns. This review provides an overview of eccDNA's biological characteristics and functions, with a focus on its role in cancer research.
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