To tackle this problem, Professor Ki-Bum Lee’s team at Rutgers University has developed an innovative solution: a biodegradable nanochannel (BNC) membrane. This advanced material not only allows for the precise assembly of cells but also breaks down safely within the body.
What makes the BNC membrane unique is its ability to control both the placement and timing of cell assembly, enabling the creation of intricate 3D cell structures. The team integrated this BNC membrane with a programmable pressure-based system, allowing them to build complex cell sheets with remarkable precision. These cell sheets can be easily harvested and used without damaging the cells, ensuring they remain fully functional when transplanted.
To showcase the potential of this technology, the researchers applied it in two significant areas: screening stem cell-derived therapies using layered "core-shell" cell patterns and treating diabetic skin wounds in mice with 3D cell sheets made from stem cells. The promising results suggest that this approach could significantly enhance tissue engineering techniques, offering new possibilities in regenerative medicine and disease modeling.
This breakthrough technology represents a significant advance in tissue engineering. By providing precise control over 3D cell assembly, the BNC membrane technology opens doors to creating more realistic and functional tissue constructs. This could revolutionize regenerative medicine, enabling the repair of damaged organs and tissues. Additionally, it could lead to the development of more accurate disease models, accelerating the discovery of new treatments.
In summary, Professor Lee's team has given us a powerful new tool to build with living cells. Their work brings us closer to a future where we can recreate the complexity of human tissues in the lab, offering hope for patients needing organ repair and researchers seeking to understand the intricacies of disease.
PUBLICATION: This work was recently published in Advanced Functional Materials.
DOI: 10.1002/adfm.202403367
AUTHORS: Letao Yang, Christopher Rathnam, Yannan Hou, Misaal Patel, Li Cai, Ki-Bum Lee
CORRESPONDENCE: Prof. Ki-Bum Lee (Rutgers University), https://kblee.rutgers.edu/
Dr. KiBum Lee
Dr. Letao Yang
Dr. Christopher Rathnam
Yannan Hou