Immunogenic dead cells engineered by the sequential treatment of ultraviolet irradiation/cryo-shocking for lung-targeting delivery and tumor vaccination
Literature Information
Jing Zang, Jinniu Zhang, Yijun Mei, Yaoxuan Xiong, Tianyuan Ci, Nianping Feng
Chemoimmunotherapy is a promising strategy in tumor treatments. In this study, immunogenic dead cells were engineered by the sequential treatment of live tumor cells with ultraviolet (UV) irradiation and cryo-shocking. The dead cells could serve as a lung-targeting vehicle and tumor vaccine after differential loading of the chemo-drug 10-hydroxycamptothecin (HCPT) and immune adjuvant Quillaja saponin-21 (QS-21) via physical absorption and chemical conjugation, respectively. After intravenous administration, the dead cells could be trapped in pulmonary capillaries and could fast release HCPT to enhance the drug accumulation in local tissues. Further, the immunogenic dead cells elicited antitumor immune responses together with the conjugated adjuvant QS-21 to achieve the elimination and long-term surveillance of tumor cells. In a lung tumor-bearing mice model, this drug-delivery system achieved synergistic antitumor efficacy and prolonged the survival of mice.
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Biomaterials Science

Biomaterials Science is an international high impact journal exploring the science of biomaterials and their translation towards clinical use. Its scope encompasses new concepts in biomaterials design, studies into the interaction of biomaterials with the body, and the use of materials to answer fundamental biological questions. Papers do not necessarily need to report a new biomaterial but should provide novel insight into the biological applications of the biomaterial. Articles that primarily focus on demonstrating novel materials chemistry and bring a molecular picture to bear on a given material’s suitability as a biomaterial are more suited to our companion journal, Journal of Materials Chemistry B. Biomaterials Science publishes primary research and review-type articles in the following areas: molecular design of biomaterials, including translation of emerging chemistries to biomaterials science of cells and materials at the nanoscale and microscale materials as model systems for stem cell and human biology materials for tissue engineering and regenerative medicine (Nano)materials and (nano)systems for therapeutic delivery interactions at the biointerface biologically inspired and biomimetic materials, including bio-inspired self-assembly systems and cell-inspired synthetic tools next-generation biomaterials tools and methods



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