May 4, 2026 · Journal of hepatology · DOI: 10.1016/j.jhep.2026.04.028

CD34<sup>+</sup> cell-Derived Endothelial Cells Orchestrate Vascular and Immune Remodeling in the Transplanted Liver

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The authors investigate the origin and role of CD34<sup>+</sup> cell-derived endothelial cells (ECs) in acute cellular rejection following liver transplantation. They reveal that these recipient-derived ECs exacerbate rejection by activating T cells through the CXCL12-CXCR4 axis and propose a platelet-based delivery system targeting CXCL12 to mitigate this immune response. This study highlights the dual origin of ECs in transplanted livers and offers insights into potential immunosuppressive strategies.

Ruihan Chen, Xinqiang Li, Pengwei Zhu, Xuewen Yi, Ting Wang, Hui Chen, Xueyin Huang, Guoguo Ye, Jingyu Jiang, Meiching Ong, Liujun Jiang, Yali Li, Siyi Zhong, Yangyan He, Rong Fan, Bohuan Zhang, Hongjun Li, Jinzhen Cai, Shusen Zheng, Qingbo Xu, Qi Ling, Hongkun Zhang

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