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to cure your ills, you might find yourself swallowing an artificial life form instead – one that can busy itself inside your body to analyze or remove diseases.
It sounds like something out of a science fiction movie, but a team from the University of Southern Denmark and Kent State University in the US has detailed how specially-designed, hybrid molecules of DNA and protein could eventually form the basis of thesehave no natural enemy. It would be a logical step to create an artificial life form that could become an enemy to them."
The researchers envision creating these artificial allies in the form of engineered viruses, bacteria and cells.what's called a peptide-DNA conjugate: a molecule combining both DNA and peptides . DNA offers precise control over the way the molecule is coded, but is limited in terms of the reactions it can facilitate, whereas"But with the knowledge we have, there is, in principle, no hindrance to produce artificial cellular organisms in the future."capable of opening up channels in cell membranes. This again could be used for targeted immune system responses, or to diagnose something happening in the body.
It's still very early days for this research – the field itself has emerged only in the past decade – but being able to produce engineered molecules that are both very adaptable and able to be controlled very precisely opens a whole host of possibilities.
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