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<p>Immune thrombocytopenia (ITP) is a heterogeneous autoimmune disorder characterized by increased platelet destruction and impaired megakaryopoiesis within a dysregulated bone marrow niche. Conventional therapies often achieve only transient platelet recovery, failing to restore immune tolerance, thereby underscoring the need for mechanism-based therapeutic strategies. Mesenchymal stem cells (MSCs) have emerged as promising candidates due to their ability to modulate immune responses and repair the hematopoietic microenvironment. This review synthesizes current evidence regarding the biological properties, immunomodulatory mechanisms, and therapeutic applications of MSCs in ITP, emphasizing intrinsic abnormalities of patient-derived MSCs and the corrective potential of exogenous MSCs from distinct tissue sources. It further integrates emerging insights into MSC functional heterogeneity, optimization of culture conditions, priming strategies, and cellular engineering approaches that may enhance therapeutic efficacy and safety. By highlighting the interplay between immune tolerance restoration and bone marrow niche remodeling, this review provides a translational framework that links mechanistic understanding to the future clinical development of MSC-based therapies for ITP.</p>

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Innovative strategies for immune thrombocytopenia treatment: immunomodulatory mechanisms and clinical potential of mesenchymal stem cells

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2026年4月7日

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  • Xin Zhou,
  • Ningning Shan

摘要

Immune thrombocytopenia (ITP) is a heterogeneous autoimmune disorder characterized by increased platelet destruction and impaired megakaryopoiesis within a dysregulated bone marrow niche. Conventional therapies often achieve only transient platelet recovery, failing to restore immune tolerance, thereby underscoring the need for mechanism-based therapeutic strategies. Mesenchymal stem cells (MSCs) have emerged as promising candidates due to their ability to modulate immune responses and repair the hematopoietic microenvironment. This review synthesizes current evidence regarding the biological properties, immunomodulatory mechanisms, and therapeutic applications of MSCs in ITP, emphasizing intrinsic abnormalities of patient-derived MSCs and the corrective potential of exogenous MSCs from distinct tissue sources. It further integrates emerging insights into MSC functional heterogeneity, optimization of culture conditions, priming strategies, and cellular engineering approaches that may enhance therapeutic efficacy and safety. By highlighting the interplay between immune tolerance restoration and bone marrow niche remodeling, this review provides a translational framework that links mechanistic understanding to the future clinical development of MSC-based therapies for ITP.