2020
DOI: 10.1126/sciadv.abc3013
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Cryo-shocked cancer cells for targeted drug delivery and vaccination

Abstract: Live cells have been vastly engineered into drug delivery vehicles to leverage their targeting capability and cargo release behavior. Here, we describe a simple method to obtain therapeutics-containing “dead cells” by shocking live cancer cells in liquid nitrogen to eliminate pathogenicity while preserving their major structure and chemotaxis toward the lesion site. In an acute myeloid leukemia (AML) mouse model, we demonstrated that the liquid nitrogen–treated AML cells (LNT cells) can augment targeted delive… Show more

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Cited by 103 publications
(74 citation statements)
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“…Moreover, Ci et al. [ 193 ] used liquid nitrogen to prepare dead acute myeloid leukemia (AML) cells and constructed drug delivery vehicles that encapsulated Dox. Due to the fact that dead cells have similar protein expression as the source cells, dead cells kept their bone marrow homing capability of live AML cells.…”
Section: Future Perspectivesmentioning
confidence: 99%
“…Moreover, Ci et al. [ 193 ] used liquid nitrogen to prepare dead acute myeloid leukemia (AML) cells and constructed drug delivery vehicles that encapsulated Dox. Due to the fact that dead cells have similar protein expression as the source cells, dead cells kept their bone marrow homing capability of live AML cells.…”
Section: Future Perspectivesmentioning
confidence: 99%
“…An important benefit common to the tumor ablation therapies is breaking the immunotolerance of the host to the treated tumor orchestrated by local thermal, oxidative or electric stress [5,6]. Temperature stress (hot or cold) is induced by treatments like microwave ablation, radiofrequency ablation, photothermal therapy (PTT), cryoablation therapy (CAT), and high frequency ultrasound [3].…”
Section: Tumor Ablation Therapies and Antitumor Immunitymentioning
confidence: 99%
“…Currently, combined therapies targeting LSCs mobilization from protective shelters have been tested under various phases of clinical trials. In addition, cell-mediated drug-delivery system facilitating the targeted transport of chemotherapeutic agents provides a new insight to improve the efficacy of current chemotherapy regimens, although it has not been confirmed by clinical trials [ 123 ]. Here we summarize current available strategies targeting BMM that might represent potential directions for future adjunctive therapeutics (Table 1 , Fig.…”
Section: Strategies Targeting Bmm In Amlmentioning
confidence: 99%