Two-cell computers that transfer metabolic information from one cell to the other could lead to synthetic therapeutic hormone systems.rnThe field of synthetic biology exists at the interface between engineering and biology, where biological parts are connected to form systems with useful functions. Often this involves creating networks of genes that respond to a change in environment, behaving, for example, like a logic gate. However, it has been difficult to design such networks in mammalian cells, and until recently, most developments were limited solely to operate in individual cells.
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