Fig. 5From: Cell unit-inspired natural nano-based biomaterials as versatile building blocks for bone/cartilage regenerationApplication of tFNAs-based composites in bone/cartilage regeneration. A Schematic illustration of tFNAs entered the cell and NLS functioned tFNA entered the nucleus. Reprinted with permission [36]. B miR-2861 loaded tFNAs promoted the expression of Runx2 and ALP identified by immunofluorescence. Reprinted with permission [37]Back to article page