Engineering ECM-like fibers with bioactive silk for 3-D cell culture

Biological tissues are built when cells anchor to specific sites on a 3-D microfiber network in an extracellular matrix (ECM). Scientists are keen to recreate biological tissues in the lab using bioinspired tissue engineering and genetic engineering, to form functional ECM motifs fused to recombinant silk proteins. Under adequate physiological conditions, bioengineered silk proteins and fibronectin-silk (FN-silk) can self-assemble into microfiber networks that mimic native ECM.

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