AUTHOR=Mou Chunlin , Xia Ziyao , Wang Xiujuan , Dai Xunan , Wang Jiaxian , Zhang Chun , Xu Yongsheng TITLE=Stem cell-derived exosome treatment for acute spinal cord injury: a systematic review and meta-analysis based on preclinical evidence JOURNAL=Frontiers in Neurology VOLUME=16 YEAR=2025 URL=https://www.frontiersin.org/journals/neurology/articles/10.3389/fneur.2025.1447414 DOI=10.3389/fneur.2025.1447414 ISSN=1664-2295