As a promising manufacturing technology,three-dimensional(3D)printing technology is widely used in the medical field.In the treatment of osteoarticular defects,the emergence of 3D printing technology provides a new op...As a promising manufacturing technology,three-dimensional(3D)printing technology is widely used in the medical field.In the treatment of osteoarticular defects,the emergence of 3D printing technology provides a new option for the reconstruction of functional articular surfaces.At present,3D printing technology has been used in clinical applications such as models,patient-specific instruments(PSIs),and customized implants to treat joint defects caused by trauma,sports injury,and tumors.This review summarizes the application status of 3D printing technology in the treatment of osteoarticular defects and discusses its advantages,disadvantages,and possible future research strategies.展开更多
Given the tremendous increase in the risks of cartilage defects in the sports and aging population,current treatments are limited,and new repair strategies are needed.Cartilage tissue engineering(CTE)is a promising ap...Given the tremendous increase in the risks of cartilage defects in the sports and aging population,current treatments are limited,and new repair strategies are needed.Cartilage tissue engineering(CTE)is a promising approach to handle this burden and several fabrication technologies and biomaterials have been developed these years.The extracellular matrix(ECM)of cartilage consists of a tissue-specific 3D microenvironment with excellent biomechanical and biochemical properties,which regulates cell proliferation,adhesion,migration,and differentiation,thus attracting a great deal of attention to the rapid development of CTE based on ECM components.New generations of biomaterials are being developed rapidly for use as scaffolds to mimic the natural ECM environment.In this review,we discuss such CTE scaffolds based on ECM-derived biomaterials by reviewing the biomaterials for CTE,the applications in different scaffolds and their processing approaches,as well as the current clinical applications of those ECM-based CTE scaffolds.展开更多
基金the National Key R&D Program of China(No.2019YFB1706900).
文摘As a promising manufacturing technology,three-dimensional(3D)printing technology is widely used in the medical field.In the treatment of osteoarticular defects,the emergence of 3D printing technology provides a new option for the reconstruction of functional articular surfaces.At present,3D printing technology has been used in clinical applications such as models,patient-specific instruments(PSIs),and customized implants to treat joint defects caused by trauma,sports injury,and tumors.This review summarizes the application status of 3D printing technology in the treatment of osteoarticular defects and discusses its advantages,disadvantages,and possible future research strategies.
基金support from the National Key Research and Development Program of China(Grant No.2019YFB1706900)National Natural Science Foundation of China(82072428)Natural Science Foundation of Beijing Municipality(7212132).
文摘Given the tremendous increase in the risks of cartilage defects in the sports and aging population,current treatments are limited,and new repair strategies are needed.Cartilage tissue engineering(CTE)is a promising approach to handle this burden and several fabrication technologies and biomaterials have been developed these years.The extracellular matrix(ECM)of cartilage consists of a tissue-specific 3D microenvironment with excellent biomechanical and biochemical properties,which regulates cell proliferation,adhesion,migration,and differentiation,thus attracting a great deal of attention to the rapid development of CTE based on ECM components.New generations of biomaterials are being developed rapidly for use as scaffolds to mimic the natural ECM environment.In this review,we discuss such CTE scaffolds based on ECM-derived biomaterials by reviewing the biomaterials for CTE,the applications in different scaffolds and their processing approaches,as well as the current clinical applications of those ECM-based CTE scaffolds.
