Exosome-mediated lymphatic regeneration: Mechanisms, therapeutic strategies, and translational opportunities
Yunhao Li , Zhengyi Xu , Anjali P. Kusumbe , Junyu Chen
Dental Research ›› 2026, Vol. 1 ›› Issue (2) : 100029
Lymphatic dysfunction, clinically presenting as secondary lymphedema and chronic inflammatory conditions, remains a significant clinical challenge following oncologic therapy and tissue trauma. Current therapeutic strategies offer limited long-term efficacy, and cell-based regenerative approaches are constrained by safety concerns and scalability limitations. Within this therapeutic landscape, exosomes have emerged as promising mediators of lymphatic vessel repair. However, their specific role in lymphatic regeneration has not yet been fully elucidated. These nanovesicles, derived from diverse cellular sources, carry diverse molecular constituents that precisely modulate cellular processes critical for lymphangiogenesis. Compelling evidence highlights the essential role of exosome-mediated networks in lymphangiogenic processes. Exosomes influence lymphatic endothelial cell behavior by engaging multiple canonical signaling pathways. Current reviews predominantly address exosome biology or lymphatic pathophysiology in isolation, lacking a systematic analysis of exosomal regulatory mechanisms. This review aims to delineate the multifunctional role of exosomes as modulators of the lymphatic regenerative niche. We further discuss current tissue engineering strategies that utilize exosomes to promote lymphatic vessel regeneration, identify persistent gaps, and seek to establish a theoretical foundation for exosome-based lymphatic regeneration.
Lymphatic vessel / Lymphangiogenesis / Exosome / Microenvironment / Lymphedema
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