ATP-Powered Signaling Between Artificial and Living Cells Revolutionizes Cancer Gene Therapy

Researchers at the University of Mainz have made a groundbreaking discovery in the field of cancer gene therapy, introducing a novel ATP-dissipative delivery system that exploits the energy currency of life to selectively deliver therapeutic oligonucleotides to cancer cells. This innovative approach utilizes artificial cells that transiently eject DNA signal strands into the extracellular medium of living cells, triggering efficient intracellular downstream signaling programs. According to the study, this strategy can be extended to deliver therapeutic oligonucleotides for applications in gene therapy and gene silencing, with potential implications for cancer treatment.

Key Takeaways:

• The research introduces a novel ATP-dissipative delivery system that uses artificial cells to selectively deliver therapeutic oligonucleotides to cancer cells.
• The system exploits the energy currency of life, ATP, to transiently eject DNA signal strands into the extracellular medium of living cells, triggering efficient intracellular downstream signaling programs.
• The strategy can be extended to deliver therapeutic oligonucleotides for applications in gene therapy and gene silencing, with potential implications for cancer treatment.
• The research discussed system design on a timer circuit and artificial cell level, system integration challenges, and how ATP concentrations regulate the transient delivery.
• The study used a cytokine-ssDNA chimera to customize the Signal for intracellular uptake or for extracellular instruction.
• The research concluded that this approach can be used to selectively deliver therapeutic oligonucleotides for cancer therapy, utilizing naturally enhanced ATP levels.

Statistics:

• The research has been peer-reviewed.
• The study was published in Angewandte Chemie International Edition, 2025.
• The publication is available online at onlinelibrary.wiley.com/journal/10.1002/(ISSN)1521-3773.
• The study involved research from the University of Mainz, Germany.
• The research was conducted by a team of scientists from the University of Mainz, including Charu Sharma, Soumya Sethi, and Andreas Walther.

Sources:

• "ATP-Powered Signaling Between Artificial and Living Cells" published in Angewandte Chemie International Edition, 2025.
• University of Mainz, Germany.
• Angewandte Chemie International Edition, published by Wiley-v C H Verlag Gmbh, Postfach 101161, 69451 Weinheim, Germany.
• Charu Sharma, Life-like Materials and Systems, Dept. of Chemistry, University of Mainz, Duesbergweg 10-14, 55128, Mainz, Germany.