" /> Double Minutes - CISMeF





Preferred Label : Double Minutes;

NCIt synonyms : DM; Double Minute Chromosome;

NCIt definition : An extrachromosomal circular DNA located in the nucleus that is relatively small in size and contains chromatin but lacks a centromere and telomeres. These circular DNAs are found in tumor cells and are able to replicate during cell division during chromosome replication. They often contain extra copies of oncogenes and/or genes involved in drug resistance and lack transcription regulatory elements. Unregulated expression of genes present in these structures may play a role in tumor growth and tumor cell survival.;

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18/05/2024


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