ArticleActa pharmaceutica Sinica. B2026
Photobiomodulation-reprogrammed extracellular vesicles delivered
Article in Acta pharmaceutica Sinica. B, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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25 authors.
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Abstract
Stem cell-derived extracellular vehicles (EVs) hold great therapeutic potential for myocardial infarction (MI). However, the efficient production of EVs with high bioactivity remains a critical bottleneck limiting their clinical translation. Here, we demonstrate that conditioned photobiomodulation (PBM) with green light is capable of activating human embryonic stem cells (hESCs) to secrete more EVs with superior cardioprotective activity. These PBM-reprogrammed hESC-EVs improve cardiac recovery in a murine MI model by promoting cardiomyocyte proliferation and angiogenesis while inhibiting apoptosis. Notably, we validate that these EVs similarly enhance the survival and proliferation of human cardiomyocytes, underscoring their translational potential. Further analysis reveals that this benefit is due to the higher miR-423-3p content in reprogrammed hESC-EVs, which enhances glycolytic metabolism and restores mitochondrial function by regulating the ZBTB7A/PKM2 axis. Moreover, we synthesize a methacryloyl hydrogel microneedle patch with superior biocompatibility, biodegradability, and mechanical strength for loading hESC-EVs, and convey the patch to the infarcted heart
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