Engineered muscle from micro-channeled PEG scaffold with magnetic Fe₃O₄ fixation towards accelerating esophageal muscle repair.

"Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper."

"Funding and Acknowledgements We acknowledge the financial support from 10.13039/501100001809National Natural Science Foundation of China (U20A20121), China, the Major Project of 2025 Sci & Tech Innovation of Ningbo (2020Z096), and the One Health Interdisciplinary Research Project of 10.13039/501100004387Ningbo University (HY202210), China. This work was funded by Open Foundation of the 10.13039/501100011310State Key Laboratory of Fluid Power and Mechatronic Systems (GZKF-202119) and 10.13039/100007834Ningbo Natural Science Foundation (2022J121), China. We are grateful to OE Biotech, Inc., (Shanghai, China) for assisting in sequencing and bioinformatics analysis, and to Xiaoyan Huang for providing technical guidance in muscle tissue potential detection. This work was also sponsored by K.C. Wang Magna/Education Fund of 10.13039/501100004387Ningbo University, China. Thanks for the technical support by the Core Facilities, Health Science Center of Ningbo University."