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<p>Central nervous system (CNS) injuries trigger a complex glial response, in which oligodendrocyte precursor cells (OPCs) play a far more dynamic role than previously recognized. Moving beyond their canonical function as a remyelination reservoir, reactive OPCs emerge as plastic signaling hubs whose fate and function are dictated by injury-specific cues. This review synthesizes recent evidence to propose a novel conceptual framework: the “reactive OPC state code.” We argue that deciphering this code—the molecular signatures that define pro-regenerative, immunomodulatory, or maladaptive OPC states—is the key to understanding functional heterogeneity in CNS injury. We critically analyze how distinct pathological contexts (trauma, ischemia, neuroinflammation) rewrite this code, leading to diverse outcomes. Finally, we pivot from a generic discussion of OPC-directed therapies to advocate for “state-specific targeting” as the next frontier in translational medicine, offering a roadmap for developing precision interventions that steer reactive OPCs towards repair. This perspective aims to redefine OPC reactivity from a passive response to a central, druggable axis in CNS pathology and repair.</p>

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Reactive OPCs in CNS Injury: From Functional Diversity to Therapeutic Translation

  • 期刊论文

  • 发表日期：

    2026年2月16日

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  • Shengnan Wang,
  • Hong Liu,
  • Jiali Li,
  • Yimin Yuan,
  • Ziwei Dai,
  • Zhida Lan,
  • Chao Huang,
  • Xiaojie Wei,
  • Cheng He,
  • Zhida Su,
  • Shangyao Qin

摘要

Central nervous system (CNS) injuries trigger a complex glial response, in which oligodendrocyte precursor cells (OPCs) play a far more dynamic role than previously recognized. Moving beyond their canonical function as a remyelination reservoir, reactive OPCs emerge as plastic signaling hubs whose fate and function are dictated by injury-specific cues. This review synthesizes recent evidence to propose a novel conceptual framework: the “reactive OPC state code.” We argue that deciphering this code—the molecular signatures that define pro-regenerative, immunomodulatory, or maladaptive OPC states—is the key to understanding functional heterogeneity in CNS injury. We critically analyze how distinct pathological contexts (trauma, ischemia, neuroinflammation) rewrite this code, leading to diverse outcomes. Finally, we pivot from a generic discussion of OPC-directed therapies to advocate for “state-specific targeting” as the next frontier in translational medicine, offering a roadmap for developing precision interventions that steer reactive OPCs towards repair. This perspective aims to redefine OPC reactivity from a passive response to a central, druggable axis in CNS pathology and repair.