Enhanced Humans

‘Nanoneedles’ generate new blood vessels in mice, paving the way for new regenerative medicine

Amber RaynoldsApril 1st 2015
  • In a trial described in Nature Materials, the team showed they could deliver nucleic acids DNA and siRNA to back muscles in mice. After seven days there was a six-fold increase in the formation of new blood vessels in the mouse back muscles, and blood vessels continued to form over a 14 day period.
  • The nanoneedles are tiny porous structures that act as a sponge to load significantly more nucleic acids than solid structures. This makes them more effective at delivering their payload. They can penetrate the cell, bypassing its outer membrane, to deliver nucleic acids without harming or killing the cell.
  • The hope is that one day scientists will be able to help promote the generation of new blood vessels in people, using nanoneedles, to provide transplanted organs or future artificial organ implants with the necessary connections to the rest of the body, so that they can function properly with a minimal chance of being rejected.

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