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Osidak, et al.
Table 1. Collagen-based bioinks for different tissue-engineering applications.

Bioink Cross-link Supportive In vitro Bioprinting Ref.
Materials Cells Scaffold /In vivo technology
Skin
Collagen I type HEK and HDF pH and - Both Extrusion-based [12]
temperature bioprinting
Collagen I type NIH 3T3 and HaCaT pH and Matriderm In vitro Laser-assisted [23]
temperature bioprinting
Collagen I type NIH 3T3 and HaCaT pH and Matriderm Both Laser-assisted [24]
temperature biopriting
Collagen I type and HEM, HaCaT, and pH and - Both Extrusion-based [25]
GelMa HDF temperature bioprinting
Collagen I type and AFSCs and MSCs Thrombin - In vivo Ink-jet in situ [26]
fibrin bioprinting
Collagen I type and dermal fibroblasts and Thrombin - In vivo Ink-jet in situ [27]
fibrin epidermal keratinocytes bioprinting
Bone and cartilage
Collagen I type and MC3T3-E1 and hASCs Genipin - In vitro Extrusion-based [28]
β-TCP bioprinting
Collagen I type MC3T3-E1 Tannic cid α-TCP/ In vitro Extrusion-based [29]
collagen bioprinting
Collagen I type fibrochondrocytes pH and - In vitro Extrusion-based [20]
temperature bioprinting
Collagen I type hTMSCs pH and PCL Both Extrusion-based [33]
temperature bioprinting
Collagen I type and chondrocytes CaCl2 - In vitro Extrusion-based [34]
alginate bioprinting
Cardiovascular tissues
Collagen I type MSCs pH and FRESH In vivo Extrusion-based [14]
temperature bioprinting
Collagen I type C2C12 and hESC-CMs pH and FRESH In vitro Extrusion-based [15]
temperature bioprinting
Liver tissues
Collagen I type MC3T3-E1 pH and PCL In vitro Extrusion-based [37]
temperature bioprinting
Methacrylated collagen hepatocytes UV light - In vitro Extrusion-based [38]
type I and hyaluronic acid bioprinting
Nervous system
Collagen I type neurons and astrocytes* pH and - In vitro Microvalve [43]
temperature printing
Collagen I type C17.2* pH and - In vitro Microvalve [44]
temperature printing
Collagen I type and NSCs* UV light - Both Extrusion-based [45]
heparin sulfate bioprinting
Cornea
Methacrylated collagen hCSKs CaCl2 FRESH In vitro Extrusion-based [47]
type I and alginate bioprinting
Collagen I type and hCSKs pH and - In vitro Electromagnetic [48]
agarose temperature microvalve
bioprinting
*In this study, cells were not a part of a bioink–hey were seeded onto the surface of the 3D printed scaffold. HEK: Human epidermal keratinocytes; HDF: Human dermal
fibroblasts; AFSC: Amniotic fluid-derived stem cells; MSCs: Mesenchymal stromal cells; hTMSCs: Human turbinate-derived mesenchymal stromal cells; NSC: Neural stem
cell; UV: Ultraviolet; α-TCP: α-tricalcium phosphate; PCL: Polycaprolactone; FRESH: Freeform reversible embedding of suspended hydrogels

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