@article{wang_yu_zhang_zhang_kahkoska_chen_wang_sun_cai_chen_et al._2019, title={Charge-switchable polymeric complex for glucose-responsive insulin delivery in mice and pigs}, volume={5}, ISSN={["2375-2548"]}, DOI={10.1126/sciadv.aaw4357}, abstractNote={A glucose-responsive insulin-polymer complex for self-regulated insulin release has been verified in diabetic mice and minipigs.}, number={7}, journal={SCIENCE ADVANCES}, author={Wang, Jinqiang and Yu, Jicheng and Zhang, Yuqi and Zhang, Xudong and Kahkoska, Anna R. and Chen, Guojun and Wang, Zejun and Sun, Wujin and Cai, Lulu and Chen, Zhaowei and et al.}, year={2019}, month={Jul} } @article{qian_feng_yu_chen_hu_sun_xiao_hu_bellotti_shen_et al._2017, title={Anaerobe-Inspired Anticancer Nanovesicles}, volume={56}, ISSN={["1521-3773"]}, DOI={10.1002/anie.201611783}, abstractNote={AbstractAnaerobic bacteria, such as Clostridium and Salmonella, can selectively invade and colonize in tumor hypoxic regions (THRs) and deliver therapeutic products to destroy cancer cells. Herein, we present an anaerobe nanovesicle mimic that can not only be activated in THRs but also induce hypoxia in tumors by themselves. Moreover, inspired by the oxygen metabolism of anaerobes, we construct a light‐induced hypoxia‐responsive modality to promote dissociation of vehicles and activation of bioreductive prodrugs simultaneously. In vitro and in vivo experiments indicate that this anaerobe‐inspired nanovesicle can efficiently induce apoptotic cell death and significantly inhibit tumor growth. Our work provides a new strategy for engineering stimuli‐responsive drug delivery systems in a bioinspired and synergistic fashion.}, number={10}, journal={ANGEWANDTE CHEMIE-INTERNATIONAL EDITION}, author={Qian, Chenggen and Feng, Peijian and Yu, Jicheng and Chen, Yulei and Hu, Quanyin and Sun, Wujin and Xiao, Xuanzhong and Hu, Xiuli and Bellotti, Adriano and Shen, Qun-Dong and et al.}, year={2017}, month={Mar}, pages={2588–2593} } @misc{cheng-gen_chen_feng_xiao_dong_yu_hu_shen_gu_2017, title={Conjugated polymer nanomaterials for theranostics}, volume={38}, ISSN={["1745-7254"]}, DOI={10.1038/aps.2017.42}, abstractNote={Conjugated polymer nanomaterials (CPNs), as optically and electronically active materials, hold promise for biomedical imaging and drug delivery applications. This review highlights the recent advances in the utilization of CPNs in theranostics. Specifically, CPN-based in vivo imaging techniques, including near-infrared (NIR) imaging, two-photon (TP) imaging, photoacoustic (PA) imaging, and multimodal (MM) imaging, are introduced. Then, CPN-based photodynamic therapy (PDT) and photothermal therapy (PTT) are surveyed. A variety of stimuli-responsive CPN systems for drug delivery are also summarized, and the promising trends and translational challenges are discussed.}, number={6}, journal={ACTA PHARMACOLOGICA SINICA}, author={Cheng-gen, Qian and Chen, Yu-lei and Feng, Pei-jian and Xiao, Xuan-zhong and Dong, Mei and Yu, Ji-cheng and Hu, Quan-yin and Shen, Qun-dong and Gu, Zhen}, year={2017}, month={Jun}, pages={764–781} } @article{hu_yu_qian_lu_kahkoska_xie_jing_buse_gu_2017, title={H2O2-Responsive Vesicles Integrated with Transcutaneous Patches for Glucose-Mediated Insulin Delivery}, volume={11}, ISSN={["1936-086X"]}, DOI={10.1021/acsnano.6b06892}, abstractNote={A self-regulated "smart" insulin administration system would be highly desirable for diabetes management. Here, a glucose-responsive insulin delivery device, which integrates H2O2-responsive polymeric vesicles (PVs) with a transcutaneous microneedle-array patch was prepared to achieve a fast response, excellent biocompatibility, and painless administration. The PVs are self-assembled from block copolymer incorporated with polyethylene glycol (PEG) and phenylboronic ester (PBE)-conjugated polyserine (designated mPEG-b-P(Ser-PBE)) and loaded with glucose oxidase (GOx) and insulin. The polymeric vesicles function as both moieties of the glucose sensing element (GOx) and the insulin release actuator to provide basal insulin release as well as promote insulin release in response to hyperglycemic states. In the current study, insulin release responds quickly to elevated glucose and its kinetics can be modulated by adjusting the concentration of GOx loaded into the microneedles. In vivo testing indicates that a single patch can regulate glucose levels effectively with reduced risk of hypoglycemia.}, number={1}, journal={ACS NANO}, author={Hu, Xiuli and Yu, Jicheng and Qian, Chenggen and Lu, Yue and Kahkoska, Anna R. and Xie, Zhigang and Jing, Xiabin and Buse, John B. and Gu, Zhen}, year={2017}, month={Jan}, pages={613–620} } @article{yu_qian_zhang_cui_zhu_shen_ligler_buse_gu_2017, title={Hypoxia and H2O2 Dual-Sensitive Vesicles for Enhanced Glucose-Responsive Insulin Delivery}, volume={17}, ISSN={["1530-6992"]}, url={http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=ORCID&SrcApp=OrcidOrg&DestLinkType=FullRecord&DestApp=WOS_CPL&KeyUT=WOS:000393848800020&KeyUID=WOS:000393848800020}, DOI={10.1021/acs.nanolett.6b03848}, abstractNote={A glucose-responsive closed-loop insulin delivery system mimicking pancreas activity without long-term side effect has the potential to improve diabetic patients' health and quality of life. Here, we developed a novel glucose-responsive insulin delivery device using a painless microneedle-array patch containing insulin-loaded vesicles. Formed by self-assembly of hypoxia and H2O2 dual-sensitive diblock copolymer, the glucose-responsive polymersome-based vesicles (d-GRPs) can disassociate and subsequently release insulin triggered by H2O2 and hypoxia generated during glucose oxidation catalyzed by glucose specific enzyme. Moreover, the d-GRPs were able to eliminate the excess H2O2, which may lead to free radical-induced damage to skin tissue during the long-term usage and reduce the activity of GOx. In vivo experiments indicated that this smart insulin patch could efficiently regulate the blood glucose in the chemically induced type 1 diabetic mice for 10 h.}, number={2}, journal={NANO LETTERS}, author={Yu, Jicheng and Qian, Chenggen and Zhang, Yuqi and Cui, Zheng and Zhu, Yong and Shen, Qundong and Ligler, Frances S. and Buse, John B. and Gu, Zhen}, year={2017}, month={Feb}, pages={733–739} } @article{hu_sun_qian_bomba_xin_gu_2017, title={Relay Drug Delivery for Amplifying Targeting Signal and Enhancing Anticancer Efficacy}, volume={29}, ISSN={["1521-4095"]}, DOI={10.1002/adma.201605803}, abstractNote={A "relay drug delivery" system based on two distinct modules, which is composed of a signal transmission nanocarrier A (NCA ) that can specifically induce tumor blood vessel inflammation generation and an execution biomimetic nanocarrier B (NCB ) that can accumulate at the tumor site by receiving the broadcasting signals generated by NCA , is developed for amplifying active tumor targeting signal and enhancing antitumor therapy.}, number={13}, journal={ADVANCED MATERIALS}, author={Hu, Quanyin and Sun, Wujin and Qian, Chenggen and Bomba, Hunter N. and Xin, Hongliang and Gu, Zhen}, year={2017}, month={Apr} } @article{qian_chen_zhu_yu_zhang_feng_tang_hu_sun_lu_et al._2016, title={ATP-Responsive and Near-Infrared-Emissive Nanocarriers for Anticancer Drug Delivery and Real-Time Imaging}, volume={6}, ISSN={["1838-7640"]}, DOI={10.7150/thno.14843}, abstractNote={Stimuli-responsive and imaging-guided drug delivery systems hold vast promise for enhancement of therapeutic efficacy. Here we report an adenosine-5'-triphosphate (ATP)-responsive and near-infrared (NIR)-emissive conjugated polymer-based nanocarrier for the controlled release of anticancer drugs and real-time imaging. We demonstrate that the conjugated polymeric nanocarriers functionalized with phenylboronic acid tags on surface as binding sites for ATP could be converted to the water-soluble conjugated polyelectrolytes in an ATP-rich environment, which promotes the disassembly of the drug carrier and subsequent release of the cargo. In vivo studies validate that this formulation exhibits promising capability for inhibition of tumor growth. We also evaluate the metabolism process by monitoring the fluorescence signal of the conjugated polymer through the in vivo NIR imaging.}, number={7}, journal={THERANOSTICS}, author={Qian, Chenggen and Chen, Yulei and Zhu, Sha and Yu, Jicheng and Zhang, Lei and Feng, Peijian and Tang, Xin and Hu, Quanyin and Sun, Wujin and Lu, Yue and et al.}, year={2016}, pages={1053–1064} } @article{hu_qian_sun_wang_chen_bomba_xin_shen_gu_2016, title={Engineered Nanoplatelets for Enhanced Treatment of Multiple Myeloma and Thrombus}, volume={28}, ISSN={["1521-4095"]}, DOI={10.1002/adma.201603463}, abstractNote={A platelet-membrane-coated biomimetic nanocarrier, which can sequentially target the bone microenvironment and myeloma cells to enhance the drug availability at the myeloma site and decrease off-target effects, is developed for inhibiting multiple myeloma growth and simultaneously eradicating thrombus complication.}, number={43}, journal={ADVANCED MATERIALS}, author={Hu, Quanyin and Qian, Chenggen and Sun, Wujin and Wang, Jinqiang and Chen, Zhaowei and Bomba, Hunter N. and Xin, Hongliang and Shen, Qundong and Gu, Zhen}, year={2016}, month={Nov}, pages={9573-+} } @article{qian_yu_chen_hu_xiao_sun_wang_feng_shen_gu_2016, title={Light-Activated Hypoxia-Responsive Nanocarriers for Enhanced Anticancer Therapy}, volume={28}, ISSN={["1521-4095"]}, DOI={10.1002/adma.201505869}, abstractNote={A light-activated hypoxia-responsive conjugated polymer-based nanocarrier is developed for efficiently producing singlet oxygen ((1) O2 ) and inducing hypoxia to promote release of its cargoes in tumor cells, leading to enhanced antitumor efficacy. This dual-responsive nanocarrier provides an innovative design guideline for enhancing traditional photodynamic therapeutic efficacy integrated with a controlled drug-release modality.}, number={17}, journal={ADVANCED MATERIALS}, author={Qian, Chenggen and Yu, Jicheng and Chen, Yulei and Hu, Quanyin and Xiao, Xuanzhong and Sun, Wujin and Wang, Chao and Feng, Peijian and Shen, Qun-Dong and Gu, Zhen}, year={2016}, month={May}, pages={3313–3320} } @article{sun_ji_hu_yu_wang_qian_hochu_gu_2016, title={Transformable DNA nanocarriers for plasma membrane targeted delivery of cytokine}, volume={96}, ISSN={["1878-5905"]}, DOI={10.1016/j.biomaterials.2016.04.011}, abstractNote={Direct delivery of cytokines using nanocarriers holds great promise for cancer therapy. However, the nanometric scale of the vehicles made them susceptible to size-dependent endocytosis, reducing the plasma membrane-associated apoptosis signaling. Herein, we report a tumor microenvironment-responsive and transformable nanocarrier for cell membrane targeted delivery of cytokine. This formulation is comprised of a phospholipase A2 (PLA2) degradable liposome as a shell, and complementary DNA nanostructures (designated as nanoclews) decorated with cytokines as the cores. Utilizing the tumor necrosis factor-related apoptosis-inducing ligand (TRAIL) as a model cytokine, we demonstrate that the TRAIL loaded DNA nanoclews are capable of transforming into nanofibers after PLA2 activation. The nanofibers with micro-scaled lengths efficiently present the loaded TRAIL to death receptors on the cancer cell membrane and amplified the apoptotic signaling with reduced TRAIL internalization.}, journal={BIOMATERIALS}, author={Sun, Wujin and Ji, Wenyan and Hu, Quanyin and Yu, Jicheng and Wang, Chao and Qian, Chenggen and Hochu, Gabrielle and Gu, Zhen}, year={2016}, month={Jul}, pages={1–10} } @article{hu_sun_qian_wang_bomba_gu_2015, title={Anticancer Platelet-Mimicking Nanovehicles}, volume={27}, ISSN={["1521-4095"]}, DOI={10.1002/adma.201503323}, abstractNote={A core-shell nanovehicle coated with a platelet membrane (PM) is developed for targeted and site-specific delivery of an extracellularly active drug and an intracellular functional small-molecular drug, leading to enhanced antitumor efficacy. This PM-coated nanovehicle can also effectively eliminate the circulating tumor cells in vivo and inhibit development of tumor metastasis.}, number={44}, journal={ADVANCED MATERIALS}, author={Hu, Quanyin and Sun, Wujin and Qian, Chengen and Wang, Chao and Bomba, Hunter N. and Gu, Zhen}, year={2015}, month={Nov}, pages={7043-+} }