Fig. 10.
Regulation of synergistic stimulation by biophysical and biochemical stimulation cues for cell behaviors. (A) Synergistic stimulation by surface microhardness and biochemical stimulation cues and its effect on cell behaviors: (i) schematic diagram of surface microhardness changed by cross-linking. Reproduced with permission [146]. Copyright 2017, John Wiley and Sons; (ii) increased NIH-3T3 and ATDC-5 cell attachment under synergetic stimulation. Reproduced with permission [147]. Copyright 2020, American Chemical Society. (B) Synergistic stimulation by external strain and biochemical stimulation cues and its effect on cell behaviors: (i) cell-loaded bioscaffolds applied to a dynamic tensile culture system and (ii) enhanced nerve cell proliferation and formation of aligned, spindled, and stretched shapes under synergetic stimulation. Reproduced with permission [148]. Copyright 2020, Chen et al. (C) Synergistic stimulation by ultrasound and biochemical stimulation cues and its effect on cell behaviors: (i) schematic diagram of the synergistic stimulation exposure setup and (ii) enhanced cell proliferation under synergetic stimulation. Reproduced with permission [149]. Copyright 2016, Aliabouzar et al. (D) Synergistic stimulation by electric field and biochemical stimulation cues and its effect on cell behaviors: (i) conductive CNT-incorporated bioscaffolds fabricated by UV-assisted 3D bioprinting and (ii) enhanced neural stem cell proliferation under synergetic stimulation. Reproduced with permission [151]. Copyright 2018, IOP Publishing. (E) Synergistic stimulation by photothermal effect and biochemical stimulation cues and its effect on tissue behaviors: (i) 3D-bioprinted composite bioscaffolds composed of 30CS and ROS and (ii) inhibited tumor tissue formation in vivo under synergetic stimulation. Reproduced with permission [153]. Copyright 2018, Ma et al. ADA, alginate; GEL 7.5%, 7.5% w/v gelatin; mTG, microbial transglutaminase; CNT, carbon nanotube; UV, ultraviolet; 30CS, Fe–CaSiO3; ROS, reactive oxygen species.