Open AccessTranscriptome Analysis Revealed the Symbiosis Niche of 3D Scaffolds to Accelerate Bone Defect Healing
Author(s) -
Ji Ce,
Qiu Minglong,
Ruan Huitong,
Li Cuidi,
Cheng Liang,
Wang Juan,
Li Changwei,
Qi Jin,
Cui Wenguo,
Deng Lianfu
Publication year - 2022
Publication title -
advanced science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.388
H-Index - 100
ISSN - 2198-3844
DOI - 10.1002/advs.202105194
Subject(s) - scaffold , microbiology and biotechnology , bone healing , osteoclast , regeneration (biology) , extracellular matrix , chemistry , biomedical engineering , biology , anatomy , biochemistry , medicine , in vitro
Three dimension (3D) printed scaffolds have been shown to be superior in promoting tissue repair, but the cell‐level specific regulatory network activated by 3D printing scaffolds with different material components to form a symbiosis niche have not been systematically revealed. Here, three typical 3D printed scaffolds, including natural polymer hydrogel (gelatin‐methacryloyl, GelMA), synthetic polymer material (polycaprolactone, PCL), and bioceramic ( β ‐tricalcium phosphate, β ‐TCP), are fabricated to explore the regulating effect of the symbiotic microenvironment during bone healing. Enrichment analysis show that hydrogel promotes tissue regeneration and reconstruction by improving blood vessel generation by enhancing oxygen transport and red blood cell development. The PCL scaffold regulates cell proliferation and differentiation by promoting cellular senescence, cell cycle and deoxyribonucleic acid (DNA) replication pathways, accelerating the process of endochondral ossification, and the formation of callus. The β ‐TCP scaffold can specifically enhance the expression of osteoclast differentiation and extracellular space pathway genes to promote the differentiation of osteoclasts and promote the process of bone remodeling. In these processes, specific biomaterial properties can be used to guide cell behavior and regulate molecular network in the symbiotic microenvironment to reduce the barriers of regeneration and repair.