Enhanced Proliferation of Visualizable Mesenchymal Stem Cell–Platelet Hybrid Cell for Versatile Intracerebral Hemorrhage Treatment

作者：Guanghao Wu, Zhenya Liu, Changwen Mu, Da Song, Jiaxin Wang, Xiangxi Meng, Ziyuan Li, Hong Qing, Yuping Dong, Hai‐Yan Xie, Dai‐Wen Pang · 发表于：ACS Nano · 年份：2023 · DOI：10.1021/acsnano.2c11329 · 被引用次数：23 · 研究领域：Intracerebral and Subarachnoid Hemorrhage Research、Autophagy in Disease and Therapy、Kruppel-like factors research

The intrinsic features and functions of platelets and mesenchymal stem cells (MSCs) indicate their great potential in the treatment of intracerebral hemorrhage (ICH). However, neither of them can completely overcome ICH because of the stealth process and the complex pathology of ICH. Here, we fabricate hybrid cells for versatile and highly efficient ICH therapy by fusing MSCs with platelets and loading with lysophosphatidic acid-modified PbS quantum dots (LPA-QDs). The obtained LPA-QDs@FCs (FCs = fusion cells) not only inherit the capabilities of both platelets and MSCs but also exhibit clearly enhanced proliferation activated by LPA. After systemic administration, many proliferating LPA-QDs@FCs rapidly accumulate in ICH areas for responding to the vascular damage and inflammation and then efficiently prevent both the primary and secondary injuries of ICH but with no obvious side effects. Moreover, the treatment process can be tracked by near-infrared II fluorescence imaging with highly spatiotemporal resolution, providing a promising solution for ICH therapy.