A Light-Driven Bioactive Nerve Conduit for Trigeminal Neuralgia: Integrated Decompression and Photosynthetic Oxygenation Restores Mitochondrial Function
Guihua Wei, Zaiqi Li, Huiyuan Wang, Qing Ye, Jieling Zhao, Mengqi Huang, Jialuoyang Chen, Xiong Xiong, Ludi Zhang, Ling Ye, Yuee Dai, Shuxin Qu
Journal:ADVANCED FUNCTIONAL MATERIALS
IF:19.9
DOI:10.1002/adfm.76472
PMID:
Published:2026-06-11
research field:神经科学光生物调节生物医学工程干细胞生物学呼吸生物学再生医学组织工程
Abstract
Vascular compression and concomitant hypoxia exacerbate trigeminal neuralgia (TN), yet current therapies rarely target both pathologies. We developed a photosynthetic nerve guide conduit (SFM‐Gel) by embedding auto fluorescent microalgae in silk fibroin hydrogel, enabling simultaneous mechanical decompression and oxygen release. The construct exhibited suitable mechanical properties, tunable oxygen generation, and excellent biocompatibility. Under hypoxia, SFM‐Gel promoted neuronal cell proliferation and function by reducing ROS and restoring mitochondrial activity, while downregulating HIF‐1α and ATP/P2×3 pathways. In a rat TN model, auto fluorescent SFM‐Gel implantation alleviated mechanical allodynia, repaired nerve morphology, and suppressed BDNF/NGF and ATP/P2×3 inflammatory signaling. Transcriptomic analysis confirmed modulation of hypoxia/ROS/NF‐κB pathways during immune/inflammatory responses to compression. This integrated decompression‐oxygenation strategy offers a transformative therapy for TN.
本文使用的Yeasen产品


