• Rui-Guang Zhang, Bo-Wen Zheng, Jing Zhang, Ming-Yu Hao, Yu-Hang Diao, Xiao-Jun Hu, Ya-Fan Liu, Xuan-Hui Liu, Tao Zhu, Zi-Long Zhao, and Hong-Tao Rong.
• Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin, China.
• Neuroscience. 2024 Jun 21; 549: 849184-91.

AbstractWe aimed to evaluate the role of the spinal lymphatic system in spinal cord injury and whether it has an impact on recovery after spinal cord injury. Flow cytometry was used to evaluate the changes in the number of microvesicles after spinal cord injury. Evans blue extravasation was used to evaluate the function of the lymphatic system. Evans blue extravasation and immunofluorescence were used to evaluate the permeability of blood spinal cord barrier. The spinal cord edema was evaluated by dry and wet weight.Terminal deoxynucleotidyl transferase dUTP nick-end labeling (TUNEL) assay was used to evaluate apoptosis after spinal cord injury. Nuclear factor-kappa B pathway was detected by Western blot. Behavioral tests were used to evaluate limb function. Microvesicles released after spinal cord injury can enter the thoracic duct and then enter the blood through the lymph around the spine. After ligation of the thoracic duct, it can aggravate the neuropathological manifestations and limb function after spinal cord injury. The potential mechanism may involve nuclear factor-kappa B pathway.Copyright © 2024 The Authors. Published by Elsevier Inc. All rights reserved.

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