From the Journals

A New Molecular Barcode for Cancer?

Pan-cancer analysis identifies cancer-specific small RNAs with tissue-of-origin and liquid biopsy potential

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  • March 4, 2026

  • 2 min

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Orphan RNA molecules, distinct from standard gene annotations, have been identified as specific indicators of cancer identity and potential oncogenic drivers in a study published in Cell Reports Medicine. Researchers analyzed RNA sequencing data across various tumors, finding these transcripts largely absent in normal tissues but detectable in blood, suggesting their role as molecular barcodes for cancer classification through liquid biopsy. Additionally, some orphan RNAs are linked to tumor growth, indicating their functional relevance. The study highlights their potential in improving cancer assays and understanding treatment responses.

Original Source(s)

A New Molecular Barcode for Cancer?

Pan-cancer analysis identifies cancer-specific small RNAs with tissue-of-origin and liquid biopsy potential

  • March 4, 2026

  • 2 min

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