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Reprogramming megakaryocytes to engineer platelets as delivery vehicles.


ABSTRACT: We developed a method for the efficient generation of engineered platelets that can be filled with any recombinant therapeutic protein during the differentiation process by reprogramming megakaryocytes, the progenitor cells of platelets. To demonstrate the versatility of this approach, we loaded cytoplasmic and secreted proteins that can be delivered as active enzymes to recipient cells, be released upon platelet activation, or be continuously secreted by platelets over time.

SUBMITTER: Javdan SB 

PROVIDER: S-EPMC10592833 | biostudies-literature | 2023 Oct

REPOSITORIES: biostudies-literature

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Programming megakaryocytes to produce engineered platelets for delivering non-native proteins.

Islam Farhana F   Javdan Shwan B SB   Lewis Mitchell R MR   Craig James D JD   Wu Han H   Deans Tara L TL  

bioRxiv : the preprint server for biology 20250127


Platelets are anucleate cells naturally filled with secretory granules that store large amounts of protein to be released in response to certain physiological conditions. Cell engineering can endow platelets with the ability to deliver non-native proteins by modifying them as they develop during the cell fate process. This study presents a strategy to efficiently generate mouse platelets from pluripotent stem cells and demonstrates their potential as bioengineered protein delivery platforms. By  ...[more]

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