Autonomous bacterial nanoswimmers target cancer

Nour Zoaby, Janna Shainsky-Roitman, Samah Badarneh, Hanan Abumanhal, Alexander Leshansky, Sima Yaron, Avi Schroeder

Research output: Contribution to journalArticlepeer-review


Injectable drug delivery systems that autonomously detect, propel towards, and ultimately treat the cancerous tissue, are the future of targeted medicine. Here, we developed a drug delivery system that swims autonomously towards cancer cells, where it releases a therapeutic cargo. This platform is based on viable bacteria, loaded with nanoparticles that contain the chemotherapeutic-antibiotic drug doxorubicin. The bacteria ferry across media and invade the cancer cells, increasing their velocity in the presence of nutrients that are present within the tumor microenvironment. Inside the cancer cells, doxorubicin is released from the nanoparticles, destroying the bacterial swimmer (antibiotic activity) and executing the therapeutic activity against the cancer cells (chemotherapeutic activity). This mode of delivery, where both the carrier and the cancer cell are destroyed, supports implementing nanoswimmers in drug delivery (Fig. 1).

Original languageEnglish
Pages (from-to)68-75
Number of pages8
JournalJournal of Controlled Release
StatePublished - 10 Jul 2017


  • Autonomous swimmers
  • Bacteria
  • Cancer
  • Nanomedicine
  • Nanoparticle
  • Nanotechnology
  • Targeted drug delivery

All Science Journal Classification (ASJC) codes

  • Pharmaceutical Science


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