Reduced BDNF expression in the auditory cortex contributed to neonatal pain-induced hearing impairment and dendritic pruning deficiency in mice.

"Competing interests: None declared."

"Funding: This study was supported in part by grants-in-aid for scientific research from the the National Natural Science Foundation of China (82271295), Natural Science Foundation of Shanghai (21ZR1411300) and Shenkang Clinical Study Foundation of Shanghai (SHDC2020CR4061) to Dr. Yuan Han; the National Natural Science Foundation of China (82171264), Shanghai Municipal Health and Family Planning Commission Research Project (2019SY015), Science and Technology Commission of Shanghai Municipality (21511102000), and the Medical Engineering Fund of Fudan University (yg2021-008) to Dr. Wenxian Li. The sponsors have no involvement in the study design, data collection, and interpretation, writing of the manuscript, or decision to submit the manuscript for publication."