Antheraea pernyi silk fibroin bioinks for digital light processing 3D printing

Xue Zhang, Wenbi Wu, Yulan Huang, Xiong Yang, Maling Gou

Article ID: 760
Vol 0, Issue 0, 2023, Article identifier:

VIEWS - 36 (Abstract) 22 (PDF) 6 (Supp.File)


The application of three-dimensional (3D) bioprinting has increased in the biomedical field. The lack of bioinks with both biocompatibility and printability is still a problem to be solved. Silk fibroin materials have good biocompatibility and have a broad application prospect in the field of biomedical materials. At present, most research usually involves Bombyx mori silk fibroin (BSF). However, BSF has low cell adhesion. Compared with BSF, Antheraea pernyi silk fibroin (ASF) isolated from typical non-mulberry silk exhibits a unique arginine-glycine-aspartate (RGD) sequence with good cell adhesion enhancement. In this study, we developed a bioink based on ASF for digital light processing (DLP) 3D bioprinting. The ASF-based bioinks (ASF-MA) were produced by a methacryloylation process using methacrylic anhydride (MA) to achieve the properties of photopolymerization reaction. The ASF-MA hydrogel has mechanical properties, biocompatibility, and especially cell adhesion. Meanwhile, we found that the ASF-MA hydrogels promoted the adhesion, migration, and proliferation of S16 cells. Hence, the ASF-MA hydrogels had the potential applications in biomedical fields.



Antheraea pernyi silk fibroin; Hydrogels; Photopolymerization; Mechanical properties; Bioprinting

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