Figure 10.
Possible approaches toward the convergence of bioprinting and self-organization to guide the maturation of bioprinted constructs toward the generation of functional tissues. Inspired by the composition of adult, native tissues, multiple progenitor or differentiated cells can be loaded into bioinks to build tissues or organoids. In this approach, the architecture imposed by the printing process will be templating the cell-driven development of the tissue and its subsequent maturation. Alternatively, specific stem and progenitor cells that possess the ability to autonomously organize into submillimeter to millimeter organoids that exhibit salient tissue features can be used as intermediate building blocks and as bioink components. In both processes, the stimuli provided by the biomaterials, their architecture, and bioactive factors included in the bioinks play key roles for driving the acquisition of native functions.