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<p>Extrachromosomal circular DNA (eccDNA) is a fascinating form of genetic material found outside the usual chromosomal DNA in eukaryotic cells, including humans. Since its discovery in the 1960s, eccDNA has been linked to critical roles in cancer progression and age-related diseases. This review thoroughly explores eccDNA, covering its types, how it forms, and its significant impact on diseases, particularly cancer. EccDNA, especially in its extrachromosomal DNA (ecDNA) form, contributes to the genetic diversity of tumour cells, helping them evolve quickly and resist treatments. Beyond cancer, eccDNA is also connected to age-related conditions like Werner syndrome, amyotrophic lateral sclerosis (ALS), and type 2 diabetes mellitus (T2DM), where it may affect genomic stability and disease development. The potential of eccDNA as a biomarker for predicting disease outcomes and as a target for new treatments is also highlighted. This review aims to deepen our understanding of eccDNA and inspire further research into its roles in human health and disease, paving the way for innovative diagnostic and therapeutic approaches.</p>

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Extrachromosomal circular DNA: a double-edged sword in cancer progression and age-related diseases

  • 期刊论文

  • 发表日期：

    2025年2月19日

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  • Shadira Anindieta Irdianto,
  • Astari Dwiranti,
  • Anom Bowolaksono

摘要

Extrachromosomal circular DNA (eccDNA) is a fascinating form of genetic material found outside the usual chromosomal DNA in eukaryotic cells, including humans. Since its discovery in the 1960s, eccDNA has been linked to critical roles in cancer progression and age-related diseases. This review thoroughly explores eccDNA, covering its types, how it forms, and its significant impact on diseases, particularly cancer. EccDNA, especially in its extrachromosomal DNA (ecDNA) form, contributes to the genetic diversity of tumour cells, helping them evolve quickly and resist treatments. Beyond cancer, eccDNA is also connected to age-related conditions like Werner syndrome, amyotrophic lateral sclerosis (ALS), and type 2 diabetes mellitus (T2DM), where it may affect genomic stability and disease development. The potential of eccDNA as a biomarker for predicting disease outcomes and as a target for new treatments is also highlighted. This review aims to deepen our understanding of eccDNA and inspire further research into its roles in human health and disease, paving the way for innovative diagnostic and therapeutic approaches.