Near infrared light activation of an injectable whole-cell cancer vaccine for cancer immunoprophylaxis and immunotherapy
Literature Information
Fei Wang, Junbin Gao, Shuanghu Wang, Jiamiao Jiang, Yicheng Ye, Juanfeng Ou, Shuwen Liu, Fei Peng, Yingfeng Tu
Cancer vaccines play a key role in the prevention and treatment of early and recurrent tumors. Although they have been widely studied during the past few decades, designing an efficient and economical cancer vaccine is still challenging. Here, we propose an injectable live cell cancer vaccine (InLCCV) using live tumor cells as immunogenic sources for cancer immunoprophylaxis and immunotherapy. InLCCV is fabricated by loading live mouse breast cancer cells (4T1 cells), gold nanorods (GNRs), and super-low-dose lipopolysaccharide (LPS) into a biocompatible Pluronic F127 in situ hydrogel matrix. After in situ inactivation by the photothermal effect of GNRs upon near-infrared (NIR) laser irradiation, immunogenic cell death (ICD) of 4T1 cells is induced and tumor-associated antigens (TAAs) together with loaded LPS are released subsequently. Therefore, dendritic cells and macrophages are activated accordingly, further stimulating the systemic anti-tumor immune response. After vaccinating with InLCCV, the tumor-free percentage of the mice is 60% and the survival rate during the observation period reaches up to 80%. For lung metastasis, the metastatic foci are 3.9-fold less than those of the control group. The as-developed InLCCV shows much promise as a potential platform for breast cancer immunoprophylaxis and immunotherapy.
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Source Journal
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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