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Junbo Zhang,Shuanghong Yin,Fei Guo,Ren Meng,Chuangfu Chen,Hui Zhang,Zhi-qiang Li,Qiang Fu,Huijun Shi,Shengwei Hu,Wei Ni,Tiansen Li,Ke Zhang 한국미생물학회 2014 The journal of microbiology Vol.52 No.8
Brucellosis is a globally distributed zoonotic disease that causes animal and human diseases. However, the current Brucella abortus vaccines (S19 and RB51) are deficient; they can cause abortion in pregnant animals. Moreover, when the vaccine S19 is used, tests cannot differentiate natural from vaccinated infection. Therefore, a safer and more potent vaccine is needed. A Brucella abortus 2308 ery promoter mutant (Δery) was constructed to overcome these drawbacks. The growth of the Δery mutant was significantly attenuated in macrophages and mice and induced high protective immunity in mice. Moreover, Δery induced an anti-Brucellaspecific IgG (immunoglobulin G) response and stimulated the expression of interferon-gamma (INF-γ) and interleukin-4 (IL-4). Furthermore, the expression of EryA antigen allowed for the serological differentiation between natural and vaccinated infection in mice. These results indicate that the Δery mutant is a potential attenuated live vaccine candidate against virulent Brucella abortus 2308 (S2308) infection.
Xiao Huang,Xi Zheng,Caixia Yi,Shuanghong Yin 성균관대학교(자연과학캠퍼스) 성균나노과학기술원 2016 NANO Vol.11 No.5
Amphipathic polymer coated magnetic nanoparticles which are loaded with docetaxel as photoresponsive multifunctional drug delivery systems for safer cancer therapy have been fabricated. Such kind of drug delivery system not only possesses favorable magnetic response property, but also could realize docetaxel-release and EGF-adsorption simultaneously simulated by UV and dark control, which can significantly boost the effectiveness of chemotherapy.