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您的检索式：作者名="Brandon S.B.Canup"
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| 1 | Natural exosome-like nanovesicles from edible tea flowers suppress metastatic breast cancer via ROS generation and microbiota modulation显示文摘Although several artificial nanotherapeutics have been approved for practical treatment of metastatic breast cancer,their inefficient therapeutic outcomes,serious adverse effects,and high cost of mass production remain crucial challenges.Herein,we developed an alternative strategy to specifically trigger apoptosis of breast tumors and inhibit their lung metastasis by using natural nanovehicles from tea flowers(TFENs).These nanovehicles had desirable particle sizes(131 nm),exosome-like morphology,and negative zeta potentials.Furthermore,TFENs were found to contain large amounts of polyphenols,flavonoids,functional proteins,and lipids.Cell experiments revealed that TFENs showed strong cytotoxicities against cancer cells due to the stimulation of reactive oxygen species(ROS)amplification.The increased intracellular ROS amounts could not only trigger mitochondrial damage,but also arrest cell cycle,resulting in the in vitro anti-proliferation,anti-migration,and anti-invasion activities against breast cancer cells.Further mice investigations demonstrated that TFENs after intravenous(i.v.)injection or oral administration could accumulate in breast tumors and lung metastatic sites,inhibit the growth and metastasis of breast cancer,and modulate gut microbiota.This study brings new insights to the green production of natural exosome-like nanoplatform for the inhibition of breast cancer and its lung metastasis via i.v.and oral routes. | Qiubing Chen Qian Li Yuqi Liang Menghang Zu Nanxi Chen Brandon S.B.Canup Liyong Luo Chenhui Wang Liang Zeng Bo Xiao | 2022 | Acta Pharmaceutica Sinica B2022，12，2： | 4 |
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